KR100435368B1 - A Brush heel Unit for Grinding - Google Patents

Abstract

PURPOSE: A brush wheel unit for polishing is provided to densely divide a contact area and execute a precise polishing operation with a multiple-row polishing brush arranged around the rim of a wheel plate in a circle form and to prevent cracks and damages of workpieces by dispersing polishing pressure, vibration, and shock. CONSTITUTION: A brush wheel unit(1) for polishing is divided into a polishing wheel(10) mounted with a polishing brush(17) and formed around the rim of a disc-shaped wheel plate(11), a plate holder(20) supporting the rear side of the polishing wheel, and an end fixture(24) and the polishing wheel, the plate holder, and the end fixture are combined or separated by a bolt(30). A conic binding hole is formed in the rear side of a hair mounting hole. A rear end of a hair bar unit is formed into a conic hair root binding unit and the conic hair root binding unit of the polishing brush is combined to the conic binding hole of the hair mounting hole. A support flange(22) is formed at the tip of an outer periphery of a cylindrical holder ring(21) to correspond to the outer periphery of the wheel plate. The hair mounting holes with small diameters are densely drilled through the outer periphery of the wheel plate in a multiple-row circular band form. The thin polishing brush formed by mixing a hardening agent and an abrasive at the proper ratio is arranged in each hair mounting hole in a circular band form.

Description

A Brush heel Unit for Grinding}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention mainly relates to a polishing brush wheel unit which can be used to dry and wet both the surface and the edge of an object to be polished such as a liquid crystal screen with high precision.

To explain this in more detail, a grinding wheel is formed by inserting a polishing brush in a multi-row circular shape on the periphery of a wheel plate made of metal material and a disk, and a wheel plate in which the polishing brush is formed in a multi-row circular shape is used as a conventional bolt. The assembly is fixed to the plate holder and the end fixture using a grinding wheel, which is planted in a multi-row circular shape on the wheel plate. The polishing brush is made of diamond particles (cerium oxide particles), cerium oxide particles, crystal particles, aluminum oxide particles in a curing agent such as epoxy or urethane. It is an object of the present invention to provide a polishing brush wheel unit in which any one or more of the abrasives are mixed and formed at an appropriate ratio.

When grinding the surface or the edge of a to-be-grinded object such as a liquid crystal screen, a grinding wheel which is formed in a disc shape by mixing abrasive materials such as diamond particles (powder) has been mainly used.

Conventional grinding wheels have a problem that when the thickness is formed thin, the contact strength is weak to reduce the grinding efficiency. When the thickness is too thick, the grinding efficiency may be slightly increased, but the contact strength is precisely adjusted. Not only is it difficult to grind, but there is a problem that the polishing surface is uneven and poorly polished. In addition, when the polishing is carried out, vibration generated from the grinding wheel is transferred to the polished material, causing cracks or even cracks in the polished material. There was a problem such as being cut off.

In addition, since polishing cannot be carried out while maintaining a dry state during polishing, a polishing liquid supply device and a discharge device should be provided, and polishing should be performed while spraying polishing liquid onto the polished object. Since this is scattered, the surroundings are dirty, and thus there is a problem that can not keep the working environment clean.

Proposed to solve the above problems to some extent, Korean Utility Model Publication No. 2000-18938 "Glass grinding wheel for flat glass chamfering" and Patent Registration No. 323287 "Polishing wheel" and Publication No. 2003- 87406 "Grinding wheels for grinders" and registered utility model registration No. 237710 "Grinding wheels capable of cutting and grinding" are known.

Utility Model Publication No. 2000-18938 "Grinding wheel for sheet glass chamfering" is to fix the grinding ring integrally to the cylindrical ring formed on the front surface of the thin cylindrical shank, but between the cylindrical ring and the grinding ring It is provided with an elastic layer made of epoxy resin, etc. Patent Registration No. 331487 "Polishing Wheel" is formed integrally with the same intervals while maintaining a polishing tip of uniform size at the ring portion formed on the front periphery of the shank (shank) Patent Application Publication No. 2003-87406 "Grinding wheel for grinder" is made by integrally fixing the tip ring formed at equal intervals with the diamond tip on the periphery of the shank made of aluminum.

In this way, the grinding tips (tip rings or diamond tips) of uniform size are formed in the ring portion (peripheral portion) of the shank having a curved shape where the center protrudes at equal intervals, so that the shank is formed in a curved shape where the center protrudes. Although it can be hardened and polished, the rectangular parallelepiping tip is formed with only one row of narrow width, so there is a problem that the polishing area is narrow so that the polishing surface can be polished evenly and uniformly. There was a problem that the vibrations to be transferred to the to-be-grinded material generate a crack in the to-be-polished material or are cut by the crack, and the polishing liquid supplying and discharging device can not be carried out while maintaining the dry state during the polishing. Not only must be installed but also polishing while spraying polishing liquid on As a result, the polishing liquid was scattered and the surroundings were polluted so that the working environment could not be kept clean.

In addition, the Utility Model Registration No. 237710, "Abrasive Wheels for Cutting and Grinding" densely forms a circular diamond coating on the bottom of a circular plate projecting from the center, and has a certain size of cutting diamond on the outer periphery of the circular plate. Although the coating layer is formed integrally with equal intervals, the grinding diamond coating layer can be easily polished by the diamond coating layer for grinding in a circular shape on the bottom of the circular plate when grinding. Since it is thinly formed, the service life is remarkably short, so there is a problem that it needs to be replaced frequently, and when polishing, the pressure and vibration applied to the circular plate are directly transferred to the workpiece, causing cracking or cutting due to cracking. In addition, since polishing cannot be performed while maintaining a dry state during polishing, Only to be provided with a liquid supply and discharge device as well while injecting the polishing solution to the polishing to be carried out because the operand evil there is a problem that can not be clean and polluted the working environment around the non-polishing liquid.

In particular, the conventional polishing wheels are formed integrally with the shank and the polishing tip (or cutting diamond coating layer), so when the polishing tip is worn out, the entire polishing wheel should be discarded. As another conventional method, Japanese Utility Model Publication No. 55-17792, "chip-inscribed grinding board", is known. Maintain the large diameter holder and the small diameter holder at equal intervals while keeping the circular shape on the outside and the inside, and each large diameter holder and the small diameter holder have a large diameter polishing chip or a small diameter polishing chip formed with an outward flange. Insert the bolts on the front side of the press plate with the large diameter hole and the small diameter hole. The plate is fixed to the plate holder by means of the plate holder, and the plate holder is rotated by the counting boss (rotary device) of the abduction portion to be polished by the large-diameter polishing chip and the small-diameter polishing chip. Since the diameter (area) of the large-diameter polishing chip or the small-diameter polishing chip mounted on the surface of the holder is too large (wide) and the gap is spaced at a distance larger than the diameter (area) of the large-diameter polishing chip or the small-diameter polishing chip, the polishing pressure and There is a problem that can not be precisely polished because the vibration and impact is large, and there is a problem such as cracks or cut by the cracks as the strong pressure and vibration is transferred to the polished object, when polishing Not only cannot carry out polishing while keeping it dry, but also a polishing liquid supply device and a discharge device should be installed. As it is led and scattered by the polishing chips and pollutes the surroundings of the workplace, there is a problem in that the working environment cannot be kept clean.

The present invention is to provide a polishing brush wheel unit further improved to solve the above problems.

According to the present invention, a polishing abrasive wheel is formed in multiple rows while a polishing brush is kept in a circular shape at the periphery of a wheel plate made of metal and has a circular shape, and a polishing brush is formed on the back of a polishing polishing wheel in which a polishing brush is formed in a multi-row circular shape. It is an object of the present invention to provide a polishing brush wheel unit which is fixedly assembled with a plate holder and an end fixture using a conventional bolt.

Another object of the present invention is a polishing brush implanted in a multi-row circular shape on the wheel plate of the polishing wheel is a polishing agent of diamond particles (powder), cerium oxide particles, crystal particles, aluminum oxide particles in a curing agent such as epoxy or urethane. It is to provide a polishing brush wheel unit formed by mixing any one or more than one at an appropriate ratio.

Still another object of the present invention is to carry out polishing by means of a polishing brush which is formed in multiple rows while being kept in a circular shape at the periphery of the wheel plate, so that the contact area is divided into small portions to disperse the contact force so that polishing can be performed uniformly and precisely. It is possible to provide a polishing brush wheel unit that can be made to prevent damage such as cracks to be produced by dispersing an impact applied to the object to be polished.

Still another object of the present invention is to separate and form a holder ring and an end fixture, which constitute the wheel plate and shank, which are polished in a multi-row circular shape, so as to replace only the wheel plate when the abrasive brush is worn out. The present invention provides a polishing brush wheel unit capable of performing polishing, preventing consumption of raw materials according to manufacturing, and reducing operating costs for polishing.

Still another object of the present invention is to maintain the circular shape on the periphery of the wheel plate while polishing is performed by a polishing brush that is planted in multiple rows, so that dust can be suppressed during polishing and generated by friction. It minimizes the heat generated so that polishing can be carried out without spraying the polishing liquid, that is, it is equipped (installed) with a device that sucks in and discharges dust and heat and can be used for dry purposes. An object of the present invention is to provide a brush wheel unit for polishing in order to keep it cleaner and more comfortable.

The above and other objects of the present invention,

Polishing polishing wheel 10 and polishing polishing wheel having a polishing tip formed on the front circumference of the disk-shaped shank made of metal material, wherein the polishing brush 17 is implanted at the circumference of the wheel plate 11 in the shape of disk. The plate holder 20 and the end picture 24 supporting the rear surface of the part 10 are respectively divided to be separated by a conventional bolt 30, and conically bonded to the rear side of the hair laying hole 15. The ball 16 is formed, but the polishing brush 17 forms the rear end portion of the hair rod as the conical hair root binding portion 18-1 to form the conical hair root binding portion 18-1 of the polishing brush 17 in the hair-drying hole ( Bound to the conical binding hole (16) of the 15, the end of the outer peripheral edge of the cylindrical holder ring 21 is formed with a true pulley 22 to match the outer circumference of the wheel plate 11 bolt 30 In the outer periphery of the wheel plate 11 forming the polishing abrasive wheel 10. The small hair sultry holes 15 are densely perforated in the form of a series of circular bands, and each hair sultry hole 15 is prepared by mixing a hardener and an abrasive in an appropriate ratio to form a thinner brush to form a thinner thickness. The polishing brush 17 is formed to form a circular band, and the end plate 24 fixed to the back surface of the polishing wheel 10 is bound so as to be inserted into the holder ring 21 of the plate holder 20. The support ring portion 26 is formed, but the binding ring portion 27 is integrally formed on the binding support ring portion 26 so as to be inserted into the central assembly hole 12 of the wheel plate 11. A fastening hole 29 is formed on the inner center line in two stages, and a binding ring portion 27 is formed at the distal end, and the rear end of the holder ring 21 of the plate holder 20 is supported by the outer circumferential rear end of the binding support ring 26. Support base plate 25 is formed integrally to support, the center of the base support plate 25 On the brush wheel unit 1, a nut hole 28 is formed on the same line as the mounting hole 13 and the nut hole 23 of each wheel plate 11 and the holder ring 21. Is achieved.

1a and 1b is an exploded perspective view and a cross-sectional view of the polishing brush wheel unit according to the present invention.

Figures 2a and 2b is a front view and a longitudinal sectional view showing an extract of the polishing polishing wheel in the polishing brush wheel unit according to the present invention.

Figure 3a and Figure 3b is an enlarged view of the main part and the binding state cross-sectional view in the state of separating the brush and the wheel plate of the polishing wheel in the polishing brush wheel unit according to the present invention.

Explanation of symbols on the main parts of the drawings

1: Brush wheel unit 10: Polishing polishing wheel 11: Wheel plate

12: central assemblyman 13: mounting hole 15: brush-type snowman

16: conical binding hole 17: abrasive brush 18: brush rod

19: conical binding hair root 20: plate holder 24: end fixture

30. 31: Bolt screw

The above objects and features of the present invention will be more clearly understood by the following detailed description based on the accompanying drawings.

1A to 3B are specific examples of the brush wheel unit 1 according to the present invention, and FIGS. 1A and 1B are exploded perspective views and coupling cross-sectional views of the brush wheel unit 1 according to the present invention. 2A and 2B are front and longitudinal cross-sectional views of the polishing polishing wheel 10 in the present invention, and FIGS. 3A and 3B are enlarged views of main parts in a state in which the wheel plate and the brush are separated from the polishing polishing wheel. Binding state cross section.

The brush wheel unit 1 according to the present invention, as illustrated in Figures 1a and 1b, the polishing wheel (10) and the polishing brush (17) implanted in the peripheral portion of the wheel plate 11 of the disk shape; The plate holder 20 and the end fixture 24 which support the back surface of the polishing abrasive wheel 10 are divided and formed so that they can be combined and separated by the normal bolt 30, respectively.

The polishing polishing wheel 10 in which the polishing brush 17 is implanted has a wheel plate 11 made of metal, as illustrated in FIGS. 2A and 2B, and has a center shape in the center of the wheel plate 11. Through the assembling hole 12 to allow the end fixture 24 to be described in detail later, the plurality of mounting holes 13 through the same interval between the central assembly hole 12 and the periphery part through the normal intervals. The bolt 30 was used to couple and detach the plate holder 20 and the end fixture 24 which will be described in detail later.

The periphery of the wheel plate 11 is formed by coupling the hair brush hole 15 in a multi-row circular shape to integrally combine the polishing brush 17, the rear side of each hair-type hole (15) conical binding hole (16) ) And the polishing brush 17 forms the rear end of the hair rod 17 as a conical hair root binding portion 18-1, so that the conical hair root binding portion 18-1 of the polishing brush 17 is a hair-drying work. The conical binding hole (16) of (15) is coupled to be firmly supported.

The abrasive brush 17 implanted in the peripheral portion of the wheel plate 11 is any one or more of abrasives made of diamond particles (powder), cerium oxide particles, crystal particles, aluminum oxide particles in a curing agent such as epoxy or urethane. It was formed by mixing, the abrasive was 10 to 75% by weight and the rest was formed as a curing agent.

The plate holder 20 fixed to the back surface of the polishing wheel 10 has a support flange 22 formed at the tip of the outer periphery of the holder ring 21 formed in a cylindrical shape so as to match the outer periphery of the wheel plate 11. To detain and support the polishing brush 17 formed at the periphery of the polishing polishing wheel 10, and to the holder ring 21 on the same line of each mounting hole 13 through the wheel plate 11 on the center line. The nut hole 23 was formed through the hole.

The end plate 24 fixed together with the plate holder 20 on the back of the polishing wheel 10 has a binding support ring 26 having the binding ring 27 integrally formed at the front end of the polishing plate 10 of the plate holder 20. It is formed to be inserted into the holder ring 21, the fastening hole 29 is formed in two stages on the inner center line of the binding support ring portion 26, but the binding ring portion 27 of the front end is a central assembly hole of the wheel plate 11 It was formed so as to be inserted into (12), the support circumferential rear end of the binding support ring 26 to form a support supporting plate 25 integrally to support the rear end of the holder ring 21 of the plate holder 20. On the center line of the support base plate 25, a nut hole 28 was formed through the same line with the mounting hole 13 and the nut hole 23 of each wheel plate 11 and the holder ring 21. .

The polishing polishing wheel 10, the plate holder 20, and the end fixture 24 formed as described above are assembled as shown in FIG. 1B to form the brush wheel unit 1 by zooming.

When the holder ring 21 is inserted into the binding support ring 27 of the end fixture 24, the binding support ring 27 is inserted into the plate holder 20, and the lower end of the plate holder 20 is supported. Supported by the disc portion 25.

When the polishing polishing wheel 10 is coupled to the front surface of the plate holder 20 while the end fixture 24 is inserted into the plate holder 20, the exposed end fixture 24 of the holder ring 21 is exposed. ), The binding ring 27 is inserted into the central assembly hole 12 of the wheel plate 11, the wheel plate 11 is located in front of the holder ring 21 and the support flange 22 of the plate holder 20. The bolt 30 is placed in a state where the mounting hole 13 of the polishing polishing wheel 10 and the nut hole 23 of the plate holder 20 and the nut hole 28 of the end fixture 24 are respectively matched. By screwing together, the polishing polishing wheel 10, the plate holder 20, and the end fixture 24 are integrally assembled to form a brush wheel unit 10, and each polishing formed at the periphery of the wheel plate 11 Strongly supported by the support flange 22 of the plate holder 20 to which the conical hair root attachment 18-1 of the brush 17 is closely connected. The state is maintained.

The operation relationship will be described below.

The brush wheel unit 1 assembled as described above is a conventional polishing apparatus by inserting the conventional bolt 31 and screwed through the central assembly hole 12 and the fastening hole 29 formed in two stages. Not specifically shown) can be installed, and will be used in this way installed.

When the brush wheel unit 10 according to the present invention is rotated by the operation of the polishing apparatus, the to-be-polished object is polished while contacting the polishing brushes 17 protruding in a multi-row circular shape at the periphery of the wheel plate 11. Since the pressure is dispersed at the same polishing point of the to-be-polished object and the rotating polishing brush 17 continuously passes, strong pressure is not applied to the same polishing point, and thus polishing is performed without excessively applying the polishing pressure to the same polishing point of the polishing object. Since it is made more smoothly and easily, the polishing efficiency can be improved.

In particular, the polishing brush 17 is passed while maintaining a constant short interval at the same point when polishing, polishing pressure is dispersed, so that excessive force (pressure) is not applied to the polished object, so that no crack is generated. When the edge (edge) is polished, the divided (separated) polishing brushes 17 come into contact with the edges of the edges, so that the edges can be polished more efficiently.

In addition, at the same point to be polished, the polishing brushes 17 are constantly passed while maintaining a short interval, and the moving polishing brushes 17 pass while inducing air, so that an air cooling effect can be obtained as well as polishing. It is possible to prevent the tissue of water from changing (deforming).

Although the dust generated during the polishing as described above is not specifically illustrated, the dust can be efficiently discharged by being sucked by the dust collector and discharged to the outside, and can be cooled by air, thereby polishing. Polishing can be performed easily in the state which completely excluded the apparatus which supplies, supplies, and discharges a liquid.

In addition, the brush wheel unit 1 according to the present invention can easily replace the polishing polishing wheel 10 when the abrasive brush 17 of the wheel plate 11 is worn, the brush wheel unit 1 is a polishing device (Not specifically shown), when the screwed bolts 30 are released in a state where they are installed, the wheel plate 11 may be separated by itself or the wheel plate 11 may be removed together with the plate holder 20. The wheel plate 11 can be easily replaced by a new wheel plate 11 and assembled by replacing the used wheel plate 11 and screwing the bolts 30.

Although specific embodiments have been described in the present invention, it will be apparent to those skilled in the art that various modifications and changes are possible within the technical scope of the present invention, and such modifications and modifications belong to the appended claims.

The polishing brush wheel unit according to the present invention can be assembled and disassembled by a conventional bolt with a polishing bolt in which a plurality of polishing brushes are arranged in a circular shape at the periphery thereof, and a plate holder and an end fixture coupled to the back of the polishing polishing wheel by a conventional bolt. Since the polishing is carried out by a polishing brush that is maintained in a circular shape at the periphery of the wheel plate, and is planted in multiple rows, the contact area can be divided densely to perform polishing precisely and uniformly. By dispersing the polishing pressure, vibration and shock, it is possible to prevent the occurrence of cracks and damages on the polished object, and by forming and assembling the holder ring and the end fixture supporting the wheel plate where the polishing brush is placed. Grinds while easily replacing only wheel plate when brush is worn As it can be carried out, it is possible to prevent the consumption of raw materials according to manufacturing and to reduce the operating cost of polishing.At the same point to be polished, the polishing brushes pass air constantly while inducing air while maintaining a short interval, thereby obtaining the air cooling effect In addition, the structure of the polished object can be prevented from being changed (deformed) as well as the generation of dust can be suppressed effectively, so that dust can be efficiently discharged by the dust collector, and polishing can be carried out with the polishing liquid removed. Therefore, the working environment can be kept more clean and comfortable.

Claims (7)

Polishing polishing wheel 10 and polishing polishing wheel having a polishing tip formed on the front circumference of the disk-shaped shank made of metal material, wherein the polishing brush 17 is implanted at the circumference of the wheel plate 11 in the shape of disk. The plate holder 20 and the end picture 24 supporting the rear surface of the part 10 are respectively divided to be separated by a conventional bolt 30, and conically bonded to the rear side of the hair laying hole 15. The ball 16 is formed, but the polishing brush 17 forms the rear end portion of the hair rod as the conical hair root binding portion 18-1 to form the conical hair root binding portion 18-1 of the polishing brush 17 in the hair-drying hole ( Bound to the conical binding hole (16) of the 15, the end of the outer peripheral edge of the cylindrical holder ring 21 is formed with a true pulley 22 to match the outer circumference of the wheel plate 11 bolt 30 In combination by), A small diameter of the hair tongue hole 15 is densely passed through the outer periphery of the wheel plate 11 forming the polishing abrasive wheel 10 in the form of a series of circular bands, and each hair tongue hole 15 has a hardener and an abrasive. Is prepared by mixing the abrasive brush (17) having a thin thickness by mixing a proper ratio so that the abrasive brush (17) forms a circular band, The end plate 24 fixed to the rear surface of the polishing wheel 10 forms a binding support ring portion 26 to be inserted into the holder ring 21 of the plate holder 20, but is formed on the binding support ring portion 26. The binding ring 27 is integrally formed so as to be inserted into the central assembly hole 12 of the wheel plate 11, and two fastening holes 29 are formed on the inner center line of the binding support ring 26. The binding ring 27 is formed, and the supporting support plate 25 is integrally formed at the rear end of the binding support ring 26 so as to support the rear end of the holder ring 21 of the plate holder 20. The nut support 28 is formed on the center line of the support base plate 25 through the nut hole 28 on the same line as the mounting hole 13 and the nut hole 23 of each wheel plate 11 and the holder ring 21. Polishing brush wheel unit. delete delete delete The polishing brush wheel unit for polishing according to claim 1, wherein the curing agent to which the abrasive is mixed is epoxy or urethane. The abrasive according to claim 1, wherein the abrasive added and mixed with the curing agent is A polishing brush wheel unit comprising at least one of diamond powder particles, cerium oxide particles, crystal particles, and aluminum oxide particles. The mixing ratio of the curing agent and the abrasive according to claim 1, Polishing brush wheel unit, characterized in that the abrasive is 10 to 75% by weight of the total 100% by weight, the remainder is a curing agent.