WO2016159703A1

WO2016159703A1 - Tray feeder and component supply method using same

Info

Publication number: WO2016159703A1
Application number: PCT/KR2016/003373
Authority: WO
Inventors: 송준근
Original assignee: 한화테크윈 주식회사
Priority date: 2015-04-02
Filing date: 2016-04-01
Publication date: 2016-10-06
Also published as: KR102092321B1; CN107535085A; CN107535085B; KR20160118560A

Abstract

A tray feeder and a component supply method using the same are disclosed. The present invention comprises: a loading part which contains a tray for storing electronic components; a raising and lowering part for withdrawing, inserting, or raising or lowering the tray contained in the loading part; and a buffer part which is installed on the upper part of the loading part to form a plurality of stages, with a tray having no electronic component being placed on each stage.

Description

Tray feeder and parts supply method using the same

The present invention relates to a tray feeder and a component supply method using the same.

BACKGROUND ART In general, an electronic component mounting apparatus (chip mounter) is used to automatically mount components such as semiconductor chips, diodes, capacitors, and resistors such as integrated circuits and high density integrated circuits to printed circuit boards.

A tray feeder is disclosed as a technique for supplying miniaturized chip components to such a chip mounter. However, the tray feeder has to increase the feed rate of the tray feeder as the equipment speed of the chip mounter gradually increases, and thus, there are difficulties in supplying stable parts and using expensive drivers.

In order to continuously supply miniaturized chip parts, the tray feeder has to load the chip parts in a tray in which the user is built. Since this loading operation is performed during the operation of the chip mounter, the user must wait for the operation until the empty tray is moved. Thus, research continues to provide a method for efficiently supplying chip components to a tray feeder.

Japanese Patent No. 3821610 (name of the invention: a tray feeder for supplying electronic components) specifically discloses a technique for preventing the electronic components from being separated from the tray and recovering the separated electronic components.

Embodiments of the present invention to provide a tray feeder with improved work efficiency.

According to an aspect of the present invention, there is provided a loading unit for storing a tray for accommodating an electronic component, a lifting unit for pulling out or drawing in or pulling up or lowering the tray stored in the loading unit, and a plurality of stages on an upper portion of the loading unit. It is provided, each stage provides a tray feeder including a buffer unit for mounting the tray empty of electronic components.

Embodiments of the present invention by mounting a locker in the buffer portion, the operator can sequentially load the electronic components without confusion. In addition, embodiments of the present invention, the information of the unlocked tray is displayed on the display unit, the operator can efficiently charge the electronic components. Of course, the scope of the present invention is not limited by these effects.

1 is a block diagram showing a tray feeder according to an embodiment of the present invention.

2 is a block diagram showing the tray feeder of FIG.

3 is a diagram illustrating one state of the buffer unit of FIG. 2.

4 is a diagram illustrating a display unit in a state of the buffer unit of FIG. 3.

5 is a diagram illustrating another state of the buffer unit of FIG. 2.

6 is a diagram illustrating a display unit in a state of the buffer unit of FIG. 4.

7 is a flowchart illustrating a component supply method using the tray feeder of FIG. 1.

The apparatus may further include a locker for selectively releasing the locking of any one of the plurality of stages of the buffer unit.

In addition, the plurality of stages of the buffer unit may be installed in the vertical direction, and the locker may lock or unlock the plurality of stages of the buffer unit.

The display apparatus may further include a display unit configured to display information regarding whether the tray in which the electronic component is empty is loaded into the buffer unit.

The display unit may display whether each end of the buffer unit is locked or unlocked.

Another aspect of the invention, the step of loading the tray, the electronic component is carried out to the chip mount to the loading unit, the lifting unit moving the plurality of trays loaded on the loading unit to a plurality of stages of the buffer unit, and the buffer When the tray is loaded in a plurality of stages of a negative part, a locker selectively releases a lock of any one of the plurality of stages, and an operator filling an electronic component in the tray loaded in the unlocked stage. It provides a component supply method using a tray feeder comprising a.

In addition, when the locker selectively releases the lock of any one of the plurality of stages, information on whether the buffer unit is locked may be displayed on the display unit.

The invention will become apparent with reference to the embodiments described below in detail in conjunction with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but may be implemented in various forms. It is provided to fully convey the scope of the invention to those skilled in the art, the invention being defined only by the scope of the claims. Meanwhile, the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. In this specification, the singular also includes the plural unless specifically stated otherwise in the phrase. As used herein, “comprises” and / or “comprising” refers to the presence of one or more other components, steps, operations and / or elements. Or does not exclude additions. Terms such as first and second may be used to describe various components, but the components should not be limited by the terms. The terms are only used to distinguish one component from another.

1 is a block diagram showing a tray feeder 100 according to an embodiment of the present invention, Figure 2 is a block diagram showing a tray feeder 100 of FIG.

1 and 2, the tray feeder 100 includes a loading unit 110, a lifting unit 120, a buffer unit 130, a locker 140, an unloading unit 150, a display unit 160, and The operation unit 170 may be provided. The tray feeder 100 may store a tray filled with electronic components in the loading unit 110 and take out the electronic components to the chip mount 200. The removed and empty tray is moved to the buffer unit 130 and refilled by the operator OP.

The loading unit 110 may store a plurality of trays for storing electronic components. The first tray, which is part of the plurality of trays, is loaded with electronic components, and the second tray, which is another part of the plurality of trays, is empty because the electronic components are carried out by the chip mount 200.

That is, the first tray and the second tray are classified by the presence or absence of the electronic component. The electronic component loaded on the first tray may be taken out by the chip mount 200 and then loaded into the loading unit 110 to become the second tray.

The lifting unit 120 may withdraw or withdraw the first tray or the second tray stored in the loading unit 110. The lifting unit 120 may move the first tray to the loading unit 110 and the unloading unit 150. In addition, the lifting unit 120 may move the second tray to the loading unit 110 and the buffer unit 130.

The lifting unit 120 may include a charging unit 121 to load the first tray or the second tray loaded on the loading unit 110.

3 is a diagram illustrating a state of the buffer unit 130 of FIG. 2, and FIG. 4 is a diagram illustrating a display unit in the state of the buffer unit 130 of FIG. 3.

The buffer unit 130 is installed in a plurality of stages on the loading unit 110. The buffer unit 130 is not limited to a specific number of stepped tongues in a plurality of stages, it may be set by the moving speed of the tray and the amount of electronic components to be mounted. However, hereinafter, the buffer unit 130 will be described based on the case where the first end 131 and the second end 132 are provided for convenience of description.

The buffer unit 130 may have a plurality of stages installed in the vertical direction. The buffer unit 130 may include a first end 131 disposed above and a second end 132 disposed below the first end 131. A second tray may be charged in the first stage 131 and the second stage 132 to wait for the filling operation of the operator OP.

The operator OP may move the charged second tray of the buffer unit 130 in the x direction to separate it from the buffer unit 130, and then charge the electronic component in the second tray.

The locker 140 may lock or release the second tray inserted into the buffer unit 130. The locker 140 may lock the stage of the buffer unit 130 so that the electronic component designated in the second tray is mounted.

The locker 140 may selectively lock the stage of the buffer unit 130 to move only one of the second trays of the plurality of loaded second trays. The operator OP can only move the second tray loaded in the unlocked stage.

The locker 140 is a part for limiting the movement of the second tray inserted in the stage of the buffer unit 130 and is not limited to a specific part. For example, a piston, gas cylinder or gripper may be used to limit the movement of the second tray. However, hereinafter, a description will be given focusing on the case provided with the actuator 141 and the stopper 142 which elevates for convenience of description.

The stopper 142 may selectively release the locking of any one of the plurality of stages of the buffer unit 130 by the driving of the actuator 141. The stopper 142 may block an inlet of the first end 131 or the second end 132 of the buffer unit 130. The stopper 142 may block an inlet of the stage of the buffer unit 130 adjacent to the operator OP, thereby preventing the operator OP from being able to withdraw or withdraw the second tray of the stage in which the operator OP is locked.

Referring to FIGS. 1 and 2 again, the unloading unit 150 may receive the first tray from the loading unit 110 and carry out the electronic component mounted on the first tray to the chip mount 200. The first tray may be placed on the unloading unit 150, and the chip mount 200 may mount the electronic component. When the chip mount 200 moves to the charging unit 121 to mount the electronic component of the first tray, the unloading unit 150 may be omitted.

The display unit 160 may display information about whether the second tray is loaded. At this time, information regarding the number of the electronic parts charged in the charged second tray is displayed, so that the operator OP can easily charge the electronic parts designated in the second tray.

The display unit 160 may display information regarding whether each stage of the buffer unit 130 is locked or unlocked. The display unit 160 has a display area corresponding to each stage, and it is possible to display whether or not locking is performed by changing colors or shades of each display area.

The operation unit 170 may be connected to the locker 140 to adjust the locking of the buffer unit 130. For example, the operation unit 170 is formed in the form of a switch, it is possible to change the lock position by the operation of the switch.

The operation unit 170 and the locker 140 may be connected to a controller (not shown) or a computer (not shown) in which a program is installed. When the operation unit 170 is touched, the locker 140 may lock a stage of the buffer unit 130 in which the second tray is loaded. Thereafter, when the operation unit 170 is touched, the locker may lock another end of the buffer unit 130 in which the second tray is loaded.

5 is a diagram illustrating another state of the buffer unit 130 of FIG. 2, and FIG. 6 is a diagram illustrating the display unit 160 in the state of the buffer unit 130 of FIG. 4.

3 to 6, the operator OP may check the operation of the locker 140 or the second buffer unit in which the lock is released through the display unit 160.

First, referring to FIGS. 5 and 6, a tray T1 may be charged in the first end 131. In the first area 161 of the display unit 160, information of the a tray T1 charged in the first end 131 may be displayed. For example, the first region 161 may indicate the part number of the electronic component loaded on the a tray T1 or the position of the a tray T1 in the loading unit 110.

The b tray T2 may be charged in the second stage. In the second area 162 of the display unit 160, information of the b tray T2 charged in the second end 132 may be displayed. For example, the second region 162 may indicate the part number of the electronic component loaded on the b tray T2 or the position of the b tray T2 in the loading unit 110.

The operator OP may view the displayed information of the display unit 160 and identify the electronic component to be charged. The operator OP may check the information displayed on the first area 161 and the second area 162 of the display unit 160, and load the electronic component corresponding to each tray.

The display unit 160 may display the stage of the buffer 130 that is locked by the locker 140 and the stage of the buffer 130 that is unlocked. For example, as shown in FIG. 5, when the first end 131 is unlocked by the locker 140 and the second end 132 is locked by the locker 140, the first area of the display unit 160 is displayed. 161 and the second region 162 may be divided.

For example, the unlocked stage may brighten the background for the operator OP to clearly recognize, form a background color that the operator OP can easily recognize, or the operator OP may easily recognize. You can create graphic designs and marks. The stage in which the lock is set may delete information on the tray, darken the background, or set a background color so that the operator OP does not have confusion with the unlocked stage.

However, hereinafter, the display unit 160 darkens the background when the lock is set for convenience of description, and the background of the display unit 160 is bright when the lock is released.

When the a tray T1 is inserted into the first end of the buffer unit 130, information of the a tray T1 is displayed in the first area 161 of the display unit 160, and the background of the first area 161 is displayed. This can be formed brightly to indicate the unlocked state.

When the b tray T2 is inserted into the second end 132 of the buffer unit 130, information of the b tray T2 may be displayed in the second area 162 of the display unit 160. In this case, the locker 140 may lock any one of the first stage 131 and the second stage 132 according to the setting of the operator OP.

When the locker 140 locks the second end 132, the background of the second area 162 may be set to be dark, and may be distinguished from the first area 161. The operator OP may check the position of the unlocked stage through the contrast of the display unit 160. Since the information about the unlocked a tray T1 is displayed in the first area 161, the operator OP may mount the electronic component without confusion.

a When the electronic component is mounted on the tray T1, the operator OP may control the locker 140 by applying the operation unit 170. When the operator OP touches the operation unit 170, the locker 140 may set the lock of the first end 131 and release the lock of the second end 132. The stopper 142 of the locker 140 may move from the second end 132 to the first end 131 to unlock the second end 132.

Since the lock of the first end 131 is set, the background of the first area 161 is set to be dark. In addition, when the lifting unit 120 draws out the a tray T1 of the first end 131, the first end 131 is first locked. The area 161 may be changed to the initial screen. Since the second stage 132 is unlocked, the background of the second region 162 is changed brightly. Since the information about the unlocked b tray T2 is displayed in the second area 162, the operator OP can mount the electronic component without confusion.

FIG. 7 is a flowchart illustrating a component supply method using the tray feeder 100 of FIG. 1.

The electronic component loaded on the tray of the loading unit 110 may be carried out to the chip mount 200. (S10) The loading unit 110 stores the first tray and the second tray. The lifting unit 120 may withdraw the first tray from the loading unit 110. Thereafter, the chip mount 200 may mount the electronic component of the first tray on an electronic device (not shown).

The tray in which the electronic component is empty may be stored in the loading unit 110. (S20) The controller (not shown) may check whether the second tray is present in the loading unit 110.

The tray in which the electronic component is empty may be moved to the buffer unit 130 (S30). The lifting unit 120 may move the second tray to each end of the buffer unit 130. The sensor (not shown) may identify the second tray loaded in each stage. The display unit 160 may display information about the second tray mounted at each stage.

The plurality of trays may check whether each of the trays is charged at each stage of the buffer unit 130 (S40). The sensor may check whether the second tray is loaded at the plurality of stages of the buffer unit 130. When the second tray is loaded in the plurality of stages, the operator OP may be confused about the component to be mounted.

The locker 140 may lock the other tray except for any one of the plurality of stages in which the second tray is loaded. (S50) The locker 140 may be any one of the plurality of stages of the buffer unit 130. You can selectively unlock the stage.

The locker 140 may move the stopper 142 to block the stage of the buffer unit 130 so that the operator OP cannot move the second tray. The locker 140 releases only one of the plurality of second trays inserted into the buffer unit 130 so that the operator OP may check and charge the electronic component without confusion.

In this case, the display unit 160 may display information on whether the buffer 130 is locked on the display unit 160. For example, the display unit 160 may form a shade, a background color, a mark, etc. of the display area differently to distinguish between the stage where the lock is set and the stage where the lock is released.

In detail, the stopper 142 of the locker 140 blocks the inlet of the second end 132 so that the a tray T1 of the first end 131 is unlocked, and the b tray of the second end 132 is closed. T2) can be locked. The first area 161 of the display unit 160 is changed to have a brighter background than the second area 162, so that the operator OP can display information on the parts mounted on the a tray T1 and the first stage 131. a It is possible to obtain information that the tray T1 is unlocked.

The operator OP may charge the electronic component in the unlocked tray (S60). The operator OP may prepare the electronic component to be mounted on the tray by looking at the display unit 160, and the unlocked tray may be prepared. After withdrawal, electronic components can be loaded into trays.

The tray in which the electronic component is empty is moved to the buffer unit 130, and the operator OP loads the electronic component in a tray in which the electronic component is empty so that the tray feeder 100 can continuously supply the component.

Since the tray OP is mounted on the buffer unit 130 so that the operator OP can mount the electronic component, the number of steps of the buffer unit 130 may be increased to increase the amount of logistics. However, if a plurality of stages are provided, the operator OP may have confusion in loading electronic components. Each tray has to be loaded with different components depending on the electronic device to be mounted. However, when the tray is mounted at a plurality of stages, the operator OP may mount other electronic components other than the electronic components preset. If parts not set in the tray are loaded, other electronic parts may be mounted to increase the defective rate of the electronic device.

The tray feeder 100 mounts the locker 140 to the buffer unit 130 to release the lock of only one of the buffer units 130, so that the operator OP can sequentially load the electronic components without confusion. Can be.

The tray feeder 100 displays information on the unlocked tray on the display unit 160, so that the operator OP can efficiently charge the electronic component.

Although the present invention has been described in connection with the above-mentioned preferred embodiments, it is possible to make various modifications or variations without departing from the spirit and scope of the invention. Accordingly, the appended claims will include such modifications and variations as long as they fall within the spirit of the invention.

According to one embodiment of the present invention, there is provided a tray feeder with improved work efficiency. In addition, embodiments of the present invention can be applied to all apparatuses, systems, conveying means, mounting mechanisms, and the like, which have tray feeders for industrial use.

Claims

A loading unit for storing a tray for accommodating electronic components;

An elevating unit configured to withdraw or withdraw or elevate the tray stored in the loading unit; And

And a buffer unit installed at a plurality of stages in the upper portion of the loading unit, each stage having a tray in which an electronic component is empty.
According to claim 1,

And a locker for selectively releasing the locking of any one of the plurality of stages of the buffer unit.
The method of claim 2,

The plurality of stages of the buffer portion are provided in the vertical direction,

And the locker locks or unlocks a plurality of stages of the buffer portion.
According to claim 1,

And a display unit for displaying information on whether the tray in which the electronic component is empty is loaded into the buffer unit.
The method of claim 4, wherein

And the display unit indicates whether each end of the buffer unit is locked or unlocked.
Charging a tray into which the electronic component is carried out to the chip mount to a loading unit;

Moving a plurality of trays loaded on the loading unit by a lift unit to a plurality of stages of a buffer unit;

Selectively locking the lock of any one of the plurality of stages when the tray is loaded in the plurality of stages of the buffer unit; And

And an operator filling an electronic component in the tray inserted into the unlocked stage.
The method of claim 6,

Selectively unlocking any one of the plurality of stages by the locker,

And information on whether or not the buffer unit is locked is displayed on a display unit.