WO2013112035A1 - Device and process for working of casting molds with powdered lubricant - Google Patents

Device and process for working of casting molds with powdered lubricant Download PDF

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Publication number
WO2013112035A1
WO2013112035A1 PCT/MD2013/000001 MD2013000001W WO2013112035A1 WO 2013112035 A1 WO2013112035 A1 WO 2013112035A1 MD 2013000001 W MD2013000001 W MD 2013000001W WO 2013112035 A1 WO2013112035 A1 WO 2013112035A1
Authority
WO
WIPO (PCT)
Prior art keywords
casting molds
lubricant
molds
powder lubricant
working
Prior art date
Application number
PCT/MD2013/000001
Other languages
French (fr)
Inventor
Vitalie PANCENCO
Iulian PANCENCO
Original Assignee
Pancenco Vitalie
Pancenco Iulian
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Pancenco Vitalie, Pancenco Iulian filed Critical Pancenco Vitalie
Priority to EP13702834.6A priority Critical patent/EP2806990A1/en
Publication of WO2013112035A1 publication Critical patent/WO2013112035A1/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C23/00—Tools; Devices not mentioned before for moulding
    • B22C23/02—Devices for coating moulds or cores
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/56—Coatings, e.g. enameled or galvanised; Releasing, lubricating or separating agents
    • B29C33/58—Applying the releasing agents

Definitions

  • the invention relates to foundry, particularly to devices and methods for working of casting molds.
  • the technical task to be solved by the proposed method for working of casting molds with powder lubricant is elimination of existing disadvantages by increasing the quality of working and sustainability of casting molds, automating the mold production steps, as well as developing a device for its implementation.
  • the undertaken task is achieved by the fact that in the method for working of casting molds with powder lubricant is carried out dusting of silicone molds in a closed space, by lapping the powder lubricant to the mold surface with moving brushes, the casting molds being in rotation and powder material feed is metered, is collected the excess lubricant, and the duty cycle, comprising lapping of casting molds with powder lubricant, as well as its feed in the work area are automated and controlled.
  • the device for working of casting molds with powder lubricant according to the proposed method consists of a body with a worktable and a flap cover, under which, on a frame by means of springs are mounted brushes. In the body is mounted a main electric motor, coupled with a brush driving mechanism and a disk swinging
  • a suction fan with a storage tank placed in the body under the worktable; mounted on bearings, a crank shaft, on which are fixed the brushes, and joined with the brush driving mechanism by detachable half-couplings; a vibromechanism for feeding the powder lubricant on the inner surface of the molds, containing an additional electric motor with disbalance and a pull rod joined with several tanks with powder lubricant, placed above the disks, and also comprises a device duty cycle control unit.
  • the technical result of this invention consists in improving the quality of casting mold working with powder lubricant, in increasing the service life of molds, automating the technological process, as well as increasing the productivity and improving the working conditions.
  • FIG. 1 general view of the working device
  • FIG. 2 side view of the device
  • the device for working of casting molds with powder lubricant consists of a body 1 with a worktable 2 and a flap cover 3.
  • a main electric motor 4 transmitting the torque to a brush 6, 6' driving mechanism 5 and a disk 8, 8' swinging mechanism 7, on which are mounted the casting molds with the cavity open upwards, at the same time the working surface of the disks 8, 8' is made with increased
  • a suction fan 9 with a storage tank 10 for the accumulation of excess powder lubricant, placed in the body 1 under the worktable 2.
  • the brushes 6, 6' are mounted on a frame 11 suspended under the flap cover 3 by means of springs 12 and connected to a crank shaft 13.
  • the crank shaft 13 is mounted on bearings 14, 15 and connected to the brush 6, 6' driving mechanism by detachable half-couplings 16, 17.
  • Under the flap cover 3 is also located a powder lubricant feeding vibromechanism, consisting of an additional electric motor 18 with disbalance and a pull rod 19 connected to several tanks 20, 21 with powder lubricant, located above the disks 8, 8'.
  • a control unit (not shown) that controls and
  • the control unit coordinates all the operating modes of the device, including the time cycle of rotation of the main motor 4, of operation of the suction fan 9, time cycle of feed, as well as the amount of powder lubricant feed from the tanks 20, 21 , through the control of the mode of operation of the additional electric motor 18.
  • the device for working of casting molds with powder lubricant works as follows: Before beginning the technological process of working rubber (silicone) molds with powder lubricant, the tanks 20, 21 are charged with talc, graphite or similar powder lubricant.
  • the casting rubber (silicone) half-molds are mounted on the disks 8, 8' with the open cavity upwards. When lowering the flap cover 3, the brushes 6, 6' enter the cavities of casting half-molds, the half-couplings 16, 17 engage into mesh, and the limit switch (not shown) turns on the electric power supply circuit. It is switched on the main electric motor 4, from which the torque is transmitted to a brush 6, 6' driving

Abstract

The invention relates to foundry, particulary to devices and methods for working of casting molds. The device for working of casting molds with powder lubricant consists of a body (1) with a worktable (2) and a flap cover (3), under which, on a frame (11) by means of springs (12) are mounted brushes (6), (6'). In the body (1) is mounted a main electric motor (4), coupled with a brush (6), (6') driving mechanism (5) and a disk (8), (8') swinging mechanism (7), on which are placed the casting molds with the cavity open upwards; a suction fan (9) with a storage tank (10), placed in the body (1) under the worktable (2); installed on bearings (14), (15), a crank shaft (13), on which are fixed the brushes (6), (6'), and joined with the brush driving mechanism (5) by detachable half-couplings (16), (17); a vibromechanism for feeding the powder lubricant on the inner surface of the molds, containing an additional electric motor (18) with disbalance and a pull rod (19) joined with several tanks (20), (21) with powder lubricant, placed above the disks (8), (8'), as well as contains a device duty cycle control unit. In the method for working of casting molds with powder lubricant is carried out dusting of casting molds in a closed space with concomitant lapping with moving brushes of the inner mold surface with powder lubricant, at the same timer the casting molds are in rotation; is carried out the metered flow of the lubricant, is collected the excess lubricant, and the duty cycle, comprising dusting of casting molds with lubricant and its feed, is automated and controlled.

Description

Device and method for working of casting molds with powder lubricant
The invention relates to foundry, particularly to devices and methods for working of casting molds.
It is known that in the technological process of obtaining products by casting in rubber (silicone) molds is provided the working of casting molds with powder lubricant such as talc, graphite or other similar material, to improve the fluidity of molten metal in the casting molds, as well as to facilitate the demolding of parts. In addition, the used powder lubricant slightly levels minor irregularities on the surface of casting molds.
It is known a method for manual working of casting molds with powder lubricant, by dusting with talc the casting molds, installed on ventilated worktables, equipped with suction fans to collect the excess powder lubricant [1].
The disadvantages of the known method for working of casting molds with powder lubricants are: the presence of hazardous conditions in the mold working area and directly to the workplace, poor quality of mold working with powder lubricant, in consequence of its non-uniform coating on the surface of casting molds, as well as low productivity.
The technical task to be solved by the proposed method for working of casting molds with powder lubricant is elimination of existing disadvantages by increasing the quality of working and sustainability of casting molds, automating the mold production steps, as well as developing a device for its implementation.
The undertaken task is achieved by the fact that in the method for working of casting molds with powder lubricant is carried out dusting of silicone molds in a closed space, by lapping the powder lubricant to the mold surface with moving brushes, the casting molds being in rotation and powder material feed is metered, is collected the excess lubricant, and the duty cycle, comprising lapping of casting molds with powder lubricant, as well as its feed in the work area are automated and controlled. The device for working of casting molds with powder lubricant according to the proposed method consists of a body with a worktable and a flap cover, under which, on a frame by means of springs are mounted brushes. In the body is mounted a main electric motor, coupled with a brush driving mechanism and a disk swinging
mechanism, on which are placed the casting molds with the cavity open upwards; a suction fan with a storage tank, placed in the body under the worktable; mounted on bearings, a crank shaft, on which are fixed the brushes, and joined with the brush driving mechanism by detachable half-couplings; a vibromechanism for feeding the powder lubricant on the inner surface of the molds, containing an additional electric motor with disbalance and a pull rod joined with several tanks with powder lubricant, placed above the disks, and also comprises a device duty cycle control unit.
The technical result of this invention consists in improving the quality of casting mold working with powder lubricant, in increasing the service life of molds, automating the technological process, as well as increasing the productivity and improving the working conditions.
The invention is explained by the drawings in Fig. 1-4, which represent:
FIG. 1 - general view of the working device,
FIG. 2 - side view of the device,
FIG. 3 - section A-A,
FIG. 4 - section B-B.
The device for working of casting molds with powder lubricant consists of a body 1 with a worktable 2 and a flap cover 3. In the body 1 is placed a main electric motor 4, transmitting the torque to a brush 6, 6' driving mechanism 5 and a disk 8, 8' swinging mechanism 7, on which are mounted the casting molds with the cavity open upwards, at the same time the working surface of the disks 8, 8' is made with increased
adhesiveness. In the body 1 is also mounted a suction fan 9 with a storage tank 10 for the accumulation of excess powder lubricant, placed in the body 1 under the worktable 2. The brushes 6, 6' are mounted on a frame 11 suspended under the flap cover 3 by means of springs 12 and connected to a crank shaft 13. The crank shaft 13 is mounted on bearings 14, 15 and connected to the brush 6, 6' driving mechanism by detachable half-couplings 16, 17. Under the flap cover 3 is also located a powder lubricant feeding vibromechanism, consisting of an additional electric motor 18 with disbalance and a pull rod 19 connected to several tanks 20, 21 with powder lubricant, located above the disks 8, 8'. In the body 1 is also placed a control unit (not shown) that controls and
coordinates the duty cycle of the device for working of casting molds.
The control unit coordinates all the operating modes of the device, including the time cycle of rotation of the main motor 4, of operation of the suction fan 9, time cycle of feed, as well as the amount of powder lubricant feed from the tanks 20, 21 , through the control of the mode of operation of the additional electric motor 18.
The device for working of casting molds with powder lubricant works as follows: Before beginning the technological process of working rubber (silicone) molds with powder lubricant, the tanks 20, 21 are charged with talc, graphite or similar powder lubricant. The casting rubber (silicone) half-molds are mounted on the disks 8, 8' with the open cavity upwards. When lowering the flap cover 3, the brushes 6, 6' enter the cavities of casting half-molds, the half-couplings 16, 17 engage into mesh, and the limit switch (not shown) turns on the electric power supply circuit. It is switched on the main electric motor 4, from which the torque is transmitted to a brush 6, 6' driving
mechanism5 and a disk 8, 8' swinging mechanism 7. The torque of the mechanism 5, through the half-couplings 16, 17 is transmitted to the crank shaft 13, which
communicates a reciprocating motion to brushes 6, 6', pivotally mounted on the frame 11 , suspended under the flap cover 3 by means of springs 12. Under the action of the springs 12, the brushes 6, 6' come in contact with the surfaces of the casting half- molds, installed on the disks 8, 8' and, copying the profile of the surface of casting half- molds, distribute and lap the lubricant evenly over the entire surface of the half-molds. The reciprocating motion of the brushes 6, 61 and the rotation of the casting half-molds provide an even dusting and lapping of the lubricant on the surfaces of the casting half- molds. When switching on the additional electric motor 18 with disbalance, by means of the pull rod 19 are transmitted vibrations to the tanks 20, 21 with lubricant, which is metered on the surface of the rotating casting half-molds. At the same time, the excess lubricant is drawn in with the suction fan 9 and accumulated in the tank 10 for re-use. At the end of the duty cycle, the main electric motor 4 switches off, as a result of which the rotation of mechanisms 5 and 7, the movement of brushes 6, 6' and the rotation of disks 8, 8' is stopped. The flap cover 3 opens, at the same time the brushes 6, 6' are withdrawn from the cavity of the casting half-molds, allowing the removal of the latter from the disks 8, 8'. The device is ready for a new cycle of dusting with lubricant the following casting half-molds.
Information sources:
1. Device for dusting of half-molds BENCH ASP2 Matic (Italy), 1997.09.26

Claims

Claims:
1. Device for working of casting molds with powder lubricant, consisting of a body with a worktable and a flap cover, under which, on a frame by means of springs are mounted brushes, at the same time in the body is mounted a main electric motor, coupled with a brush driving mechanism and a disk swinging mechanism, on which are placed the casting molds with the cavity open upwards; a suction fan with a storage tank, placed in the body under the worktable; mounted on bearings, a crank shaft, on which are fixed the brushes, and joined with the brush driving mechanism by detachable half-couplings; a vibromechanism for feeding the powder lubricant on the inner surface of the molds, containing an additional electric motor with disbalance and a pull rod joined with several tanks with powder lubricant, placed above the disks, and a device duty cycle control unit.
2. Method for working of casting molds with lubricant, wherein is carried out dusting of half-molds in a closed space, by lapping the powder lubricant to the mold surface with moving brushes, at the same time the casting molds are, in rotation and powder material feed is metered, the duty cycle, comprising lapping of casting molds with powder lubricant and its feed in the work area is automated and controlled.
PCT/MD2013/000001 2012-01-26 2013-01-04 Device and process for working of casting molds with powdered lubricant WO2013112035A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP13702834.6A EP2806990A1 (en) 2012-01-26 2013-01-04 Device and process for working of casting molds with powdered lubricant

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
MDS20120016 2012-01-26
MDS20120016A MD521Z (en) 2012-01-26 2012-01-26 Device and process for working of casting molds with powdered lubricant

Publications (1)

Publication Number Publication Date
WO2013112035A1 true WO2013112035A1 (en) 2013-08-01

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Family Applications (1)

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PCT/MD2013/000001 WO2013112035A1 (en) 2012-01-26 2013-01-04 Device and process for working of casting molds with powdered lubricant

Country Status (3)

Country Link
EP (1) EP2806990A1 (en)
MD (1) MD521Z (en)
WO (1) WO2013112035A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105690612A (en) * 2016-03-28 2016-06-22 长葛市华晟电气有限公司 Production die for electrical sheath

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US2814083A (en) * 1955-01-27 1957-11-26 United States Pipe Foundry Mold coating apparatus
US5536318A (en) * 1994-05-09 1996-07-16 Nippon Mining & Metals Co., Ltd. Apparatus for coating molds with finning preventive agent
JPH08192258A (en) * 1995-01-17 1996-07-30 Toyota Motor Corp Method for applying release agent

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US5536318A (en) * 1994-05-09 1996-07-16 Nippon Mining & Metals Co., Ltd. Apparatus for coating molds with finning preventive agent
JPH08192258A (en) * 1995-01-17 1996-07-30 Toyota Motor Corp Method for applying release agent

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105690612A (en) * 2016-03-28 2016-06-22 长葛市华晟电气有限公司 Production die for electrical sheath

Also Published As

Publication number Publication date
MD521Y (en) 2012-06-30
MD521Z (en) 2013-01-31
EP2806990A1 (en) 2014-12-03

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