KR20160148431A - Vacuum jig of the polishing apparatus - Google Patents

Vacuum jig of the polishing apparatus Download PDF

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Publication number
KR20160148431A
KR20160148431A KR1020150085499A KR20150085499A KR20160148431A KR 20160148431 A KR20160148431 A KR 20160148431A KR 1020150085499 A KR1020150085499 A KR 1020150085499A KR 20150085499 A KR20150085499 A KR 20150085499A KR 20160148431 A KR20160148431 A KR 20160148431A
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South Korea
Prior art keywords
vacuum
pad
polishing
fixing
suction
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KR1020150085499A
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Korean (ko)
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KR101758981B1 (en
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정천섭
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정천섭
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B41/00—Component parts such as frames, beds, carriages, headstocks
    • B24B41/06—Work supports, e.g. adjustable steadies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B7/00—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
    • B24B7/20—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground
    • B24B7/22—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground for grinding inorganic material, e.g. stone, ceramics, porcelain
    • B24B7/24—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground for grinding inorganic material, e.g. stone, ceramics, porcelain for grinding or polishing glass
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B9/00—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
    • B24B9/02—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground
    • B24B9/06—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain
    • B24B9/08—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain of glass

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)

Abstract

The present invention relates to a polishing apparatus having a vacuum jig for fixing a material, and more specifically, to a polishing apparatus having a vacuum jig for fixing a material which sucks and fixes glass which is a material to be polished by vacuum during a process of polishing the glass installed on a screen portion of a mobile phone, a tablet PC, and various HPCs into a two-dimensional plane or a three-dimensional curved surface, uses a urethane material to manufacture a pad for vacuum suction, and provides an optimal vacuum suction capability. According to the present invention, the polishing apparatus having a vacuum jig for fixing a material comprises: a polishing means (2) to precisely polish a workpiece (G) into a two-dimensional plane or a three-dimensional curved surface by rotational polishing of a polishing light tip (18); and one or more vacuum jigs (1) installed on an adjacent polishing position to correspond to the polishing light tip (18) of the polishing means (2) by using a support plate (200), wherein a suction pad (100) is inserted into one side of the support plate (200) to face the polishing light tip (18), and the workpiece (G) is vacuum-sucked to fix the workpiece (G) by an air suction action of a vacuum hole (110) penetrating the inside of the suction pad (100).

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a polishing apparatus having a vacuum jig for fixing a workpiece,

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a polishing apparatus having a vacuum jig for fixing a workpiece, and more particularly, to a polishing apparatus having a vacuum jig for fixing a workpiece, A polishing apparatus having a vacuum jig for immobilizing a workpiece so as to exhibit an optimal vacuum adsorption capability while manufacturing a pad for vacuum adsorption from a urethane material and vacuum- .

2. Description of the Related Art Generally, a glass installed on a screen portion of a mobile phone, a tablet PC, and various HPCs requires polishing (polishing), which is a finishing process, And a polishing force is applied to the abrasive tip with a constant force to perform planar polishing of the glass.

Such conventional polishing apparatuses are required to fix a workpiece fixing jig for elevating and contacting the glass to a rotating abrasive tip in a state that the glass as an object to be processed is fixed. In the case of the jig, It is widely used to use an adsorption method using a rubber pad or a bonding method using a WAX bond.

Various polishing apparatuses are being developed in this background, and the structure of the prior art described below will be understood.

However, the jigs for fixing workpieces of the conventional polishing apparatuses present technical problems to be improved.

In the case of a jig for fixing workpieces of a conventional polishing apparatus, since a glass as an object to be processed is fixed by a vacuum suction method, usually only one air suction hole is provided at the center of the pad, There is a problem that a machining error due to shaking occurs in a polishing operation requiring precision since the pressure can not act uniformly.

Further, in the case of a work fixing jig of a conventional polishing apparatus, since the glass to be processed is vacuum-adhered and fixed by using a soft PVC pad and other rubber pads, the hardness is low due to the characteristics of softness so that the vacuum pressure can be increased more than necessary, There is no structure that can support the glass itself apart from the adsorption and fixing, and there is a problem that the object to be processed flows due to the pressure acting in the polishing process, causing breakage such as crack in the glass.

Korean Patent Registration No. 10-1279896 (Mar. 23, 2013) discloses a glass polishing apparatus. Korean Patent Registration No. 10-1363778 (Apr. 20, 2014) "

SUMMARY OF THE INVENTION The present invention has been made in order to solve the above problems, and it is an object of the present invention to provide a method of polishing a glass provided on a screen portion of a mobile phone, a tablet PC, In particular, a pad for vacuum adsorption is manufactured using a urethane material, and the arrangement of the pad and the arrangement and penetration area of the grooves for air suction are adjusted to 3 to 5% based on the entire horizontal area of the pad, And a vacuum jig for fixing a workpiece so that the workpiece can be fixed without shaking in a polishing operation requiring precision.

Further, according to the present invention, there is provided a support plate for mounting a pad for vacuum suction on an object to be polished to a polishing apparatus, and the support plate is configured to closely support the bottom of the object to be processed, Another object of the present invention is to prevent occurrence of cracks or the like from occurring due to the bearing force of the support plate.

In addition, according to the present invention, a pad for vacuum-sucking an object to be processed is assembled into a receiving groove of a receiving plate, and a difference in height between the upper surface of the receiving plate and the upper surface of the pad is set to 0.006 mm to 0.2 mm, The pad is shrunk by about 0.1 mm as a whole when the vacuum pneumatic operation is performed so that the upper surface of the support plate and the upper surface of the pad are substantially flush with each other so that the support plate can support the lower surface of the object more stably, The vacuum pressure on the object to be processed is relatively weak, so that the object to be processed can easily fall off from the adsorption pad, and at the same time as the object to be processed It is possible to prevent the risk of being damaged by the impact or pressing force of the abrasive light tip There is still another object to lock.

According to an aspect of the present invention,

A grinding means for grinding the object to be processed by a rotary process of a grinding light tip in a binary plane or a three-dimensional curved shape; Wherein the polishing pad is inserted into one side of the receiving plate so as to oppose the polishing optical tip, and the polishing pad is inserted through the inside of the receiving pad, And a vacuum jig for vacuum-chucking and fixing the object to be processed by an air suction action of the vacuum hole.

According to the present invention, in the polishing apparatus, the adsorption pad for fixing the glass as the object to be processed by vacuum adsorption is made of urethane material, and the groove for air suction is uniformly arranged on the entire part of the adsorption pad, Is 3 to 5% based on the entire horizontal area of the adsorption pad, it is possible to fix the object to be processed without shaking in a polishing operation requiring precision.

In addition, since the support plate for mounting the pad for vacuum suction on the polishing apparatus is pressed against and supported by the bottom surface of the object to be processed, it is possible to prevent generation of more than necessary vacuum pressure in the polishing process, It is effective.

Since the upper surface of the receiving plate and the upper surface of the pad have a height difference of 0.006 mm to 0.2 mm in assembling the suction pad for vacuum suction of the object to be processed in the receiving groove of the receiving plate, The upper surface of the support plate and the upper surface of the pad are substantially flush with each other while the pad is contracted by about 0.1 mm as a whole in the action of the vacuum pneumatic pressure so that the support plate can more stably support the lower surface of the object, The object to be processed can be easily dropped off from the adsorption pad due to the relatively weak vacuum pressure applied to the object to be processed when the object is below the minimum value or above the maximum value, Risk that the object to be processed is damaged by the impact or pressing force of the abrasive light tip Which can prevent effective too.

FIG. 1 is a perspective view of a polishing apparatus according to a first embodiment of the present invention; FIG.
FIGS. 3 to 5 are diagrams showing the components of a vacuum jig for fixing a work piece in the polishing apparatus according to the first embodiment of the present invention. FIG.
FIG. 6 is a structural view of each part of a polishing apparatus having a vacuum jig for fixing a workpiece according to a second embodiment of the present invention; FIG.
FIG. 7 is a structural view of each part of a polishing apparatus having a vacuum fixture for fixing a workpiece according to a third embodiment of the present invention; FIG.

A polishing apparatus having a vacuum fixture for fixing a workpiece according to the present invention will be described in detail with reference to the accompanying drawings.

In the following description of the exemplary embodiments of the present invention, a detailed description of components that are widely known and used in the art to which the present invention belongs is omitted, and unnecessary explanations thereof are omitted. It is to communicate the point more clearly.

1 to 7 are views for explaining a polishing apparatus equipped with a vacuum fixture for fixing a workpiece according to each embodiment of the present invention.

The polishing apparatus includes a polishing means 2 for polishing a workpiece G in a two-dimensional plane or a three-dimensional curved surface shape; An adsorption pad 100 installed at one or more positions of the polishing means 2 for vacuum adsorption and fixation of the object G in the polishing process; And a vacuum chuck (1) composed of a base plate (200) for tightly supporting the bottom surface of the object to be processed (G).

Hereinafter, as a basic structure of the present invention, the structure of each part of the polishing apparatus having the vacuum jig according to the first embodiment will be described in detail with reference to Figs. 1 to 2. Fig. FIG. 1 is a perspective view of a polishing apparatus having a vacuum jig according to the first embodiment, and FIG. 2 is an exploded perspective view of a polishing apparatus having a vacuum jig according to the first embodiment.

First, the polishing means (2) comprises: A square main frame 3;

A plurality of abrasive light tips 18 are individually and correspondingly connected to a lower end of a spline shaft arranged in a line on an upper fixed frame 11 provided at an upper end of the main frame 3, A pore grinding means 10 for grinding a workpiece G fixed to the vacuum jig 1 while rotating the grinding optical tip 18 through driving of a motor 16 connected to the grinding optical tip 16;

A ball screw 21 connected to an elevating motor 20 fixed to both upper ends of the main frame 3 is fixed to an upper end of the upper fixing frame 11 through a base frame 23, Side frames 24 fixed to the lower ends of both sides of the main frame 3 are slidably connected to upper and lower guide rods 25 fixed to both sides of the main frame 3, A left and right feed frame 33 having a second nut member 32 coupled to a ball screw 31 connected to the feed motor 30 is mounted on a left and right guide rods 34 fixed to the lower end of the base frame 23, And a third nut member (42) slidably connected to the left and right feed frames (33) and corresponding to the ball screw (41) connected to the front and rear conveying motors (40) The frame 43 is positioned opposite to the front and rear conveying motors 40 And is connected to the front and rear guide rods 45, both ends of which are fixed through a guide rod fixing plate 44 fixed to the front and rear sides of the left and right transfer frames 33. The vacuum jig 1, And a lower frame fixing plate 46 for fixing both ends of a lower fixed frame 51 in which a plurality of spindles 54 provided with a plurality of spindles 54 are arranged in a row is fixed to a lower end of the front and rear transfer frames 43 And a three-way driving means (5)

When the elevating motor 20 is driven among the three-way driving means 5, the base frame 23, the side frame 24, and the bottom frame 23 are driven by the screw feed force of the ball screw 21 fastened to the first nut member 22, The left and right feed frame 33, the back and forth feed frame 43, the lower frame fixing plate 46 and the lower fixed frame 51 are both raised and lowered. When the left and right feed motors 30 are driven, The left and right feed frame 33, the back and forth feed frame 43, the lower frame fixing plate 46 and the lower fixed frame 51 are fed right and left through the screw feed force of the ball screw 31 fastened thereto, The lower frame fixing plate 46 and the lower fixing frame 51 are moved forward and backward through the screw feed force of the ball screw 41 fastened to the third nut member 42 when the upper frame 41 is driven, Processing such as glass installed on the front window of mobile phones, tablet PCs, and various HPCs through a three-axis composite transfer operation Like material is (G) configured ever a two-dimensional plane or a three-dimensional curved surface or pore abrasive shape.

Since the above-described polishing means (2) is presented in Korean Patent Application No. 10-2014-54581, which is a prior application by the applicant of the present invention, the description of the operating relationship and the detailed configuration thereof will be omitted, Korean Patent Application No. 10-2014-54581 ".

As a basic structure of the present invention, the vacuum jig according to the first embodiment will be specifically described with reference to Figs. 3 to 5. Fig. FIG. 3 is a perspective view of the vacuum jig according to the first embodiment, FIG. 4 is an exploded perspective view of the vacuum jig according to the first embodiment, and FIG. 5 is a side view of the vacuum jig according to the first embodiment.

The vacuum jig 1 includes a suction pad 100 for fixing the object G by vacuum suction and a support plate 200 for mounting the suction pad 100 on the polishing means 2 do.

The adsorption pad (100) comprises: It is preferable that one or more than one of the support plates 200 is used as a processing position opposed to the abrasive light tip 18 for grinding operation of the abrasive means 2 so that the air of the vacuum hole 110 penetrated inward in the abrasive process And the object G to be vacuum-adsorbed by the suction action.

The adsorption pad 100 is a rectangular plate having a certain thickness, and a vacuum hole 110 for sucking air is formed through the inside thereof.

In addition, the adsorption pad 100 is a poly-series material having elasticity to withstand an impact of an external load or a pressing force, capable of strongly supporting the object G to be vacuum-adsorbed and larger than synthetic resin materials having different surface frictional forces, Of the urethane material.

At this time, the adsorption pad 100 is basically made of a non-foamed polyurethane material, but it can be used by increasing the hardness of the foamed polyurethane if necessary.

Further, one surface of the adsorption pad 100 may have various shapes corresponding to the shape of a glass installed on the screen portion of a mobile phone, a tablet PC, and various HPCs, that is, a two-dimensional or three- Can be selectively molded.

Accordingly, since the adsorption pad 100 for fixing the object G by the vacuum adsorption action is made of a urethane material, the shape of the adsorption pad 100 is generally changed corresponding to the screen portion of a mobile phone, a tablet PC, and various HPCs The effect of ensuring the versatility that the adsorption pad 100 can be easily processed and manufactured in accordance with the external shape of the object G to be used for replacement.

The vacuum hole 110 includes a middle hole 111 penetrating through the center of the adsorption pad 100 to suck air and an elongated hole 112 connected to the middle hole 111 and penetrating in the longitudinal direction of the adsorption pad 100, And a plurality of holes 113 formed at regular intervals in a direction perpendicular to the long holes 112 and connected to the long holes 112.

The middle hole 111 is a circular hole penetrating the center of the adsorption pad 100 and connected to the air suction passage of the polishing means 2.

The elongated hole 112 is a through hole which is connected to both sides of the middle hole 111 and formed in a linear shape of an arbitrary width in the longitudinal direction of the adsorption pad 100, So that the vacuum suction action by the air suction is transmitted.

The single hole 113 is a plurality of holes which are connected to each other at right angles to the elongated holes 112 so as to be alternately arranged at equal intervals on both sides along the elongated holes 112. The holes So that the vacuum suction action by the air suction is transmitted.

A vacuum hole 110 formed by a middle hole 111, a long hole 112 and a short hole 113 is formed on the inner side of the adsorption pad 100 by a vacuum adsorption function So that the entire surface of the object G to be fixed by the adsorption pad 100 can be uniformly vacuumed to secure stability for fixing.

Further, the vacuum hole 110 may further include a structure in which the penetration portion thereof is 3 to 5% based on 100% of the entire horizontal area of the adsorption pad 100.

The penetration area of the vacuum hole 110 is a size of the penetration portion of the vacuum hole 110. The size of the penetration hole is increased or decreased so that an optimum vacuum capability is exhibited. ) Is 3 to 5% based on 100% of the total horizontal area of the adsorption pad 100. [

At this time, when the area of the vacuum hole 110 is less than 3% based on 100% of the entire horizontal area of the adsorption pad 100, the vacuum pressure rises more than necessary and the object G may be broken, In addition, when the area of the vacuum hole 110 is 5% or more, the vacuum pressure is lowered so that the object G falls off the adsorption pad 100.

The upper surface of the absorbing pad 100 is exposed to the outside of the center of the top surface of the receiving plate 200 to be described later and is exposed to the outside of the receiving plate 100 by 0.006 to 0.2 mm higher than the upper surface of the receiving plate 200 To be positioned.

The adsorption pad 100 is manufactured by increasing or decreasing the thickness of the adsorption pad 100 so as to be 0.006 to 0.2 mm higher than the upper surface of the backing plate 200 in a state of being inserted into the backing plate 200, The upper surface of the adsorption pad 100 is made to be 0.1 mm higher than the upper surface of the plate 200.

At this time, when the vacuum pressure of 3 MPa is applied to the adsorption pad 100, since the adsorption pad 100 is shrunk by about 0.1 mm as a whole, the top surface of the backing plate 200 and the top surface of the adsorption pad 100 are almost the same So that the supporting plate 200 can support the bottom surface of the object G.

When the adsorption pad 100 is assembled with a minimum height of 0.006 mm or less from the height difference between the upper surface of the receiving plate 200 and the upper surface of the adsorption pad 100, 200 and the upper surface of the adsorption pad 100 are spaced apart from each other so that the vacuum pressure on the object to be processed G is relatively weakened so that the object G easily falls off from the adsorption pad 100 There is a risk that the object G to be processed as a glass material is damaged by the impact or pressing force of the abrasive light tip 18. On the contrary, when the height difference is assembled to a maximum value of 0.2 mm or more, The vacuum pressure on the workpiece G is maintained but the difference in height between the workpiece 200 supporting the bottom surface of the workpiece G and the workpiece G becomes large, Processing The object to be processed G is shaken from the receiving plate 200 during the polishing operation by the abrasive light tip 18 with the disadvantage that the vacuum adsorption action is not performed satisfactorily Eventually it is detached from the adsorption pad 100 and is also damaged by the impact or pressing force of the abrasive light tip 18. [

Therefore, in the present invention, since the suction pad 100 is manufactured by setting the height of the suction pad 100 in advance in preparation for the situation in which the suction pad 100 is contracted by the vacuum pressure, even if the suction pad 100 is contracted, So that the supporting plate 200 can sustain the object G continuously.

The support plate 200 includes: The suction pad 100 is provided on the polishing means 2 and the lower surface of the object G is closely contacted when the suction pad 100 fixes the object G. [

The support plate 200 is formed in the shape of a square block of a metal and has a seating groove 210 through which the adsorption pad 100 is inserted on an upper surface thereof and accommodates the adsorption pad 100 inside the upper surface thereof, The lower part of the support plate 200 is bolted and fixed to the upper ends of a plurality of spindles 54 provided in the polishing unit 2 so that the suction pad 100 is fixed to the polishing tip 18 of the polishing unit 2, As shown in FIG.

The suction groove 210 corresponds to the thickness and the size of the suction pad 100. A suction hole 211 is formed at the center of the suction groove 210. The suction hole 211 is connected to the polishing means 2) to induce a suction action in the vacuum hole 110 of the adsorption pad 100.

The upper surface of the support plate 200 and the upper surface of the adsorption pad 100 are substantially the same as each other because the adsorption pad 100 inserted into the seating groove 210 is contracted by a vacuum pressure, The lower surface of the object G fixed to the adsorption pad 100 is supported.

Therefore, the present invention is characterized in that the supporting plate 200 for mounting the adsorption pad 100 for vacuum-adsorbing the object G to the polishing means 2 is provided, So that it is possible to suppress the generation of a vacuum pressure that is higher than necessary in the grinding process by the supporting force of the support plate 200, thereby preventing the object G from being damaged.

As another embodiment of the present invention, the structure of each part of the polishing apparatus having the vacuum fixture for fixing work according to the second embodiment will be described in detail with reference to FIG. 6 is an exploded perspective view showing a configuration of each part of the polishing apparatus according to the second embodiment.

The support plate 200 of the vacuum jig 1 having the structure described above includes a support groove 220 having a step 221 around the upper end of a seating groove 210 into which the absorption pad 100 is inserted, Is formed,

And further includes a supporting pad 230 that is seated in the receiving groove 220 while being fixedly inserted through the step 221 so as to support a bottom surface of the object G fixed to the suction pad 100 do.

The supporting pads 230 are formed in the shape of a rectangular plate made of foamed urethane or unfoamed urethane. The supporting pads 230 are inserted into the fastening holes 231 penetrating the center of the supporting pads 230, .

At this time, the step 221 corresponds to the size of the fastening hole 231, and the support groove 220 corresponds to the entire size of the support pad 230.

Further, the height of the step 221 is preferably equal to or smaller than the thickness of the supporting pad 230.

Therefore, since the support pad 230 made of urethane is installed on the upper surface of the support plate 200, the present invention can prevent the object G from being damaged by the support plate 200 made of metal do.

As another embodiment of the present invention, the structure of each part of the polishing apparatus having the vacuum fixture for fixing work according to the third embodiment will be described in detail with reference to FIG. 7 is an exploded perspective view showing a configuration of each part of the polishing apparatus according to the third embodiment.

A plurality of fastening protrusions 120 protrude from the bottom edges of the bottom surface of the suction pad 100 and a plurality of fastening protrusions 120 are formed on the bottom surface of the seating groove 210 of the backing plate 200, A fastening groove 212 into which the fastening protrusion 120 is inserted by interference fit is formed,

And the suction pad 100 is fixed to the receiving plate 200 by a fitting action of the fastening protrusion 120 and the fastening groove 212.

The fastening protrusions 120 are integrally formed at the corners of the bottom surface of the suction pad 100 and are integrally formed in the process of forming the suction pad 100. The fastening recesses 212 are formed in the fastening protrusions 120, respectively.

Accordingly, since the coupling between the adsorption pad 100 and the receiving plate 200 is mutually fixed by the interference fit between the coupling protrusion 120 and the coupling groove 212, So that it is possible to easily attach and detach it.

As described above. While the present invention has been particularly shown and described with reference to certain preferred embodiments thereof, it is to be understood that the terminology used herein is for the purpose of describing the present invention only and is not intended to limit the scope of the claims. But is not intended to,

It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims. It will be easy for anyone to know.

1. Vacuum jig 2. Polishing means
12. Work table 18. Abrasive light tip
100. Adsorption pad 110. Vacuum hole
111. Hall 112. Hall
113. Single hole 200. Support plate
210. Seat recess 211. Suction port
220. Support groove 221. Step
230. Supporting pad 231. Fastening hole
G. Object to be processed

Claims (7)

A grinding means (2) for grinding the object (G) by rotary working of a grinding light tip (18) in a binary plane or a three-dimensional curved shape;
The abrasive tip (18) of the abrading means (2) is installed at one or more positions using the abrading plate (200) at a position adjacent to the abrading light tip (18) And a vacuum jig 1 to which the adsorption pad 100 is inserted and which vacuum adsorbs and fixes the object G by an air sucking action of a vacuum hole 110 penetrating the inside of the adsorption pad 100 And a vacuum jig for fixing a workpiece. The method according to claim 1,
Wherein the adsorption pad (100) is made of a urethane material. The method according to claim 1,
Wherein the support plate (200) closely contacts the bottom surface of the object to be processed (G) when the suction pad (100) fixes the object (G). The method according to claim 1,
The upper surface of the absorption pad 100 is inserted into the center of the upper surface of the support plate 200 such that one side thereof is exposed to the outside and the upper surface of the absorption pad 100 is positioned 0.006 to 0.2 mm higher than the upper surface of the support plate 200 And a vacuum jig for fixing a workpiece. The method according to claim 1,
The vacuum hole 110 includes a middle hole 111 penetrating through the center of the adsorption pad 100 to suck air and an elongated hole 112 connected to the middle hole 111 and passing through the longitudinal direction of the adsorption pad 100, , And a plurality of holes (113) formed alternately in an alternating arrangement in a direction perpendicular to the long holes (112). ≪ IMAGE > The method according to claim 1,
Wherein the vacuum hole (110) has a penetration portion of 3 to 5% based on 100% of a total horizontal area of the adsorption pad (100). The method according to claim 1,
The receiving plate 200 is formed with a receiving groove 220 having a step 221 around the upper end of a receiving groove 210 into which the suction pad 100 is inserted,
And a supporting pad 230 that is seated in the receiving groove 220 while being fixedly inserted into the step 221 so as to support the bottom surface of the object G fixed to the suction pad 100 And a vacuum jig for fixing a workpiece.
KR1020150085499A 2015-06-16 2015-06-16 Vacuum jig of the polishing apparatus KR101758981B1 (en)

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CN108705407A (en) * 2018-04-25 2018-10-26 昆山国显光电有限公司 Glass edge polishing device
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WO2019056335A1 (en) * 2017-09-25 2019-03-28 深圳传音制造有限公司 Profiling base and polishing jig
CN110640606A (en) * 2019-10-30 2020-01-03 东莞市炜安达智能科技有限公司 Glass sweeps ray apparatus
CN112278853A (en) * 2020-10-16 2021-01-29 南京豆饼电子商务有限公司 Device is got to screen clamp in cell-phone based on gaseous suction effect
CN113814824A (en) * 2021-08-30 2021-12-21 吴炳宜 Burr removing device for circuit board production
CN114952497A (en) * 2022-06-30 2022-08-30 贵州达沃斯光电有限公司 Glass edging positioner

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KR101279896B1 (en) 2012-11-22 2013-06-28 (주)엔케이이엔지 Apparatus for grinding glass
KR101363778B1 (en) 2012-04-03 2014-02-20 정천섭 The surface polishing machine

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