CN103551986A

CN103551986A - Flat polishing adhesive disk based on fiber adhesive rope coated abrasive tool

Info

Publication number: CN103551986A
Application number: CN201310553881.5A
Authority: CN
Inventors: 谢泽
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-11-08
Filing date: 2013-11-08
Publication date: 2014-02-05

Abstract

The invention discloses a flat polishing adhesive disk produced with a fiber adhesive rope coated abrasive tool, which comprises a back cover and fiber adhesive rope sections, and the fiber adhesive rope sections are evenly and radially stuck on the binder-applied surface of the back cover by binder, shaped and solidified. The manufacturing cost of the flat polishing adhesive disk is greatly reduced, so the cost of the grinding and polishing process is reduced as well; moreover, the grooves between the abrasive rope sections play the role of dissipating heat and removing chips; the circumferential edge of the abrasive disk can be inserted into the groove of a workpiece to be ground for grinding and polishing; and the flat polishing adhesive disk has the characteristics of high grinding and polishing efficiency and long service life.

Description

A kind of plane polishing grinding disc based on fiber sand rope coated abrasive tool

Technical field

The present invention relates to a kind of coated abrasive tool conversion goods, particularly relate to a kind of polishing grinding pan made from fiber sand rope coated abrasive tool.

Background technology

In prior art, sand page dish covers circumferencial direction one with bonding agent along the back of the body by the emery cloth hinge of some presses overlapping the bonding together of to form.Nylon fiber polishing wheel is sneaked into the sizing of fine grinding slurry with nylon fiber adhesive-bonded fabric and is formed.

Coated abrasive tool is mainly used in the cleaning of metal part surface, polishing, deburring; The fine grinding of wood furniture; Leather calendering; Good effect has been brought into play in the polishings of clothes cloth fabric glass, pottery etc. in polishing application process.Yet, the emery cloth base material generally using in the market otherwise adopt textile or with blend fabric and the pure chemical & blended fabric of chemical fibre, textile cost strong mechanical performance does not have especially remarkably and not any grinding-polishing function, so the blend fabric of cotton and chemical fibre is owing to being that the combination of materials that two kinds of differences of natural material and synthesized polymer material are larger is difficult to mate very perfectly in processing, so be again especially to require base material to be bound to occur grinding section blackout because glass transition temperature integral body is lower with chemical fibre under the industrial and mineral of abrasive material synchronous consumption, polluting the problems such as grinding workpiece surface cannot overcome, make the whole high cost of manufacturing, for paper, make the tear resistance of product very poor.The base material in any abrasive band of prior art all only has the function of carrying abrasive material, and himself does not have grinding function.

Summary of the invention

The object of the present invention is to provide a kind of plane polishing grinding disc made from fiber sand rope coated abrasive tool.

Above-mentioned purpose of the present invention is achieved by the following technical solution: a kind of plane polishing grinding disc made from fiber sand rope coated abrasive tool, comprise back of the body lid and fiber sand ran, described fiber sand ran is by binding agent the applying glue surface that emitting shape is bonded in above-mentioned back of the body lid equably, and sizing and solidifying.

Back of the body lid of the present invention can be that glass fibre or plastic material are made.Binding agent can be phenolic resins, urea aldehyde, melamine resin, epoxy resin or inorganic binder etc., can be also phenolic resin modified, comprises the phenolic aldehyde of the modifications such as urea aldehyde, melamine resin, epoxy, acrylic acid.

Fiber sand rope of the present invention floods cordage by employing glue or scraping to soak to process obtains.

In technique scheme, as preferably, can apply primer in the one side of cordage, then plant sand and form abrasive material.In an instantiation, be coated with cordage after primer in sand flow, roll through, until surrounding is planted sand uniformly in cordage, sand amount is controlled at: 3-4g in every gram of cordage.Further, on described abrasive material, be coated with face glue.

In technique scheme, as preferably, can in flooding or scraping the glue soaking, add and have abrasive material, adopt containing sand dipping or scrape and soak.In a concrete example, mortar is: the liquid liquid phenolic resin 35% of < mass fraction > modification, abrasive material: 45%, filler: 15%, diluent: 5%, mortar solid content: 75-77%, slurry amount is: 0.7-0.8g on every gram of sisal fiber rope.

In technique scheme, as preferably, can in flooding or scraping the glue soaking, add and the chopped strand of cordage with material.

In the present invention, the fiber of described cordage can be natural fiber, and nature fiber original or that directly obtain on the plant of cultivation, on the animal of artificial feeding, includes but not limited to string, animal origin, mineral fibres.In concrete example of the present invention, described natural fiber is selected from seed fiber, as cotton, kapok etc.; Or leaf fibre, as sisal hemp, abaca etc.; Also or fasciated fiber, as ramie, flax, hemp, jute etc.In another example of the present invention, described natural fiber is selected from hair and silk, such as sheep's wool, goats hair, camel hair, the rabbit hair, yak hair or mulberry silk, tussah silk etc.Natural fiber described in the present invention can also be the recycled fiber of those Mian ﹑ Ma ﹑ Mao ﹑ silks.The fiber of described cordage can also be artificial fiber, includes but not limited to nylon fiber or glass fibre.

In the present invention, described abrasive material refers to sharp keen, hard, in order to the material of the softer material surface of grinding.Described abrasive material can be natural abrasive, includes but not limited to natural emery, Naxas emery, garnet and natural diamond etc.; Also can be artificial abrasive material, include but not limited to brown corundum abrasive, white fused alumina abrasive material, single alundum abrasive material, black silicon carbide grain, green silicon carbide abrasive material, cubic silicon carbide abrasive material, cerium silicon carbide abrasive material, boron carbide, diamond and cubic boron nitride etc., and the recovery sand of vitrified abrasive, resin wheel etc. etc.

In technique scheme, described primer and glue are one or more in following material: urea aldehyde and modified resin thereof, phenolic aldehyde and modified resin thereof, epoxy and modified resin thereof, acrylic acid and modified resin or inorganic binder, consumption is the 20-50% of raw material gross mass.In a concrete example, primer is < mass fraction >: the liquid liquid phenolic resin 65% of modification, and filler: 35%, glue solid content: 75-77%, glue amount is: 0.7-0.8g on every gram of sisal fiber rope.

Beneficial effect of the present invention is:

1) the emery cloth hinge on sand page dish is replaced and can greatly be reduced the manufacturing cost of polishing grinding pan with sisal hemp sand ran, thereby also just reduced grinding and polishing process cost.

2) sisal hemp itself is exactly good polishing material, and abrasive material mortar bonds to the sand rope carrier of making on sisal fiber can bring into play grinding and polishing effect more well.

3) groove between sand ran more can play the effect of heat radiation, chip removal.

4) there is grinding and polishing efficiency high, long service life feature.

5) mill circumferential edge can be inserted and in grinding workpiece groove, carry out grinding and polishing.

Accompanying drawing explanation

Fig. 1 structural representation of the present invention.

Fig. 2 is the embodiment of the present invention 1 technological process Fig. 1.

Fig. 3 is the embodiment of the present invention 1 technological process Fig. 2.

In figure, 1 is fiber sand rope, the 2nd, binding agent, the 3rd, back of the body lid.

The specific embodiment

Embodiment 1

1, sand rope is made:

1.1 sisal fiber rope impregnation process: the polyvinyl alcohol water solution that (sisal fiber rope diameter 2-5mm) is 15%-20% with mass fraction, at 90 ± 2 ℃, soak after sisal fiber rope 10min, with two rollers, prick car extruding, hygrometric state spreading mass is controlled to 20% ± 2%; At 70 ± 2 ℃, the sisal fiber rope after soaking, pushing is dried to constant weight.

1.2 mortars dip: sisal hemp rope after impregnation process is dipped with the mortar preparing.(mortar is: the liquid liquid phenolic resin 35% of < mass fraction > modification, and abrasive material: 45%, filler: 15%, diluent: 5%, mortar solid content: 75-77%, slurry amount is: 0.7-0.8g on every gram of sisal fiber rope); Then at 80 ± 2 ℃, toast 60min.

1.3 on the sisal fiber rope dipping roller coating one circle primer (primer is < mass fraction >: the liquid liquid phenolic resin 65% of modification, filler: 35%, glue solid content: 75-77%, glue amount is: 0.7-0.8g on every gram of sisal fiber rope); After roller coating primer, the mode of planting sand with gravity sand rolled be implanted on sisal fiber rope (be coated with sisal fiber rope after primer in sand flow, roll through, until surrounding is planted sand uniformly on sisal fiber rope, sand amount is controlled at: 3-4g on every gram of sisal fiber rope); Then at 80 ± 2 ℃, toast 60min; Then with the multiple glue of air pressure spray gun spraying: (multiple glue is < mass fraction >: the liquid liquid phenolic resin 75% of modification, and filler: 25%, glue amount is: 0.2-0.3g on every gram of sisal fiber rope); Then at 70 ± 2 ℃, toast 30min.

2, the making of face grinding wheel: (selecting the sisal hemp rope of diameter 5mm) toasted 4-6h and solidified on 1.3 basis at 120 ℃ after, after segment, (sand rope is cut into the sand section of long 3mm), pendulum is on mould, cover to drip and have the cover of inner circle glue (can be square, sisal hemp lid, Jiao Gai), after bar pressurization, the mould unloading of coming out of the stove after with pressure solidifying (solidifying 2h at 105 ℃).

3, this test making style is: the face grinding wheel of plane rubbing down: overall diameter is 4 inches (101.6-103mm), and internal diameter is 55mm, and aperture is 16mm, thickness 6-8mm);

Detect and test data contrast:

1, method of testing explanation: this grinding detects material and is: the face grinding wheel of plane rubbing down: 45# steel plate (the thick * 10mm of the wide 100mm* of long 200mm*); The end face emery wheel of end face rubbing down: 45# rod iron (long 200mm* diameter * 50mm), (grinding material, rubbing down wheel bear pressure, and rotational line speed (face grinding wheel: 60m/s, end face emery wheel: 40m/s) all identical under identical grinding condition respectively.

2, each index calculating method explanation:

2.1 grinding efficiencies: refer to that the worn amount of material is divided by the grinding time, the g/min of unit.

2.2 grinding ratios: the worn amount of material of exemplar and the ratio of rubbing down foot wheel abrasion amount.

2.3 surface roughnesses: refer to less spacing and small peak valley unevenness that finished surface has, the um of unit.Surface roughness is less, and surface is more smooth.With two-tube light-section microscope, measure.

Total grinding testing time is 30min, and every 10min is one section, and minute three sections of collection data, ask arithmetic mean of instantaneous value.

Table 1

Test brief summary:

By above sample testing data, obtain with grain number (common corundum) wheel test data comparative analysis with conventional: the face grinding wheel of the plane rubbing down of making by the method all improves 20%-30% on polishing performance, grinding performance.

Claims

1. a plane polishing grinding disc made from fiber sand rope coated abrasive tool, comprises back of the body lid and fiber sand ran, and described fiber sand ran is by binding agent the applying glue surface that emitting shape is bonded in above-mentioned back of the body lid equably, and sizing and solidifying.

2. plane polishing grinding disc as claimed in claim 1, described back of the body lid is made by glass fibre or plastic material; Described binding agent is selected from phenolic resins, urea aldehyde, melamine resin, epoxy resin, inorganic binder or by phenolic resins, urea aldehyde, melamine resin, epoxy, acrylic acid modified phenolic aldehyde.

3. plane polishing grinding disc as claimed in claim 1, described fiber sand rope floods by glue or scrapes to soak and processed, and on cordage face, is coated with primer, by planting the mode of sand, implants abrasive material, is formed with abrasive material.

4. plane polishing grinding disc as claimed in claim 1, the fiber of described fiber sand rope is natural fiber or staple fibre.

5. plane polishing grinding disc as claimed in claim 4, described natural fiber is selected from the recycled fiber of cotton, kapok, sisal hemp, abaca, ramie, flax, hemp, jute, sheep's wool, goats hair, camel hair, the rabbit hair, yak hair, mulberry silk, tussah silk Huo Mian ﹑ Ma ﹑ Mao ﹑ silk; Described staple fibre is nylon fiber or glass fibre.

6. plane polishing grinding disc as claimed in claim 1, described abrasive material is selected from the recovery sand of natural emery, Naxas emery, garnet, natural diamond, brown corundum abrasive, white fused alumina abrasive material, single alundum abrasive material, black silicon carbide grain, green silicon carbide abrasive material, cubic silicon carbide abrasive material, cerium silicon carbide abrasive material, boron carbide, diamond, cubic boron nitride or vitrified abrasive, resin wheel.

7. plane polishing grinding disc as claimed in claim 3, described primer and glue are one or more in following material: urea aldehyde and modified resin thereof, phenolic aldehyde and modified resin thereof, epoxy and modified resin thereof, acrylic acid and modified resin or inorganic binder.