KR101949764B1 - Glass polishing device - Google Patents

Abstract

The present invention provides a glass polishing apparatus comprising: a hexahedral base having a length in a front and rear direction; a transfer means disposed on the upper surface of the base to transfer a workpiece in a longitudinal direction; a plurality of processing units disposed on the upper side of the transfer means in a longitudinal direction to perform a plurality of divided polishing processes to the workpiece transferred by the transfer means step by step; and a standby area formed between a pair of partitions spaced apart on the front and rear sides of the transfer means to prevent the workpiece completing the process from being contaminated by slurry scattered in a processing area. Accordingly, various kinds of workpieces are able to be polished at a time, the workpiece completing the polishing process is prevented from being contaminated again by the slurry due to the standby area formed by the pair of partitions spaced apart from each other, and a non-slip jig placed in the standby area is selectively transferred to a faced conveyor belt, such that the workpiece is able to be processed while being circulated along the pair of conveyor belts, thereby providing a glass polishing apparatus advantageous to apply to an automatic processing system.

Description

[0001] The present invention relates to a glass polishing device,

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a glass polishing apparatus for polishing a surface of a display panel glass constituting a screen of an electronic apparatus, and more particularly to a glass polishing apparatus for polishing a surface of a display panel glass, A variety of polishing processing steps such as machining, complex curved surface processing formed by embossing and embossing together can be carried out in one line, and a workpiece having been polished into an atmospheric region formed by a pair of spaced apart partition walls The non-slip jig located in the atmospheric region is selectively transferred to the counter-conveying belt, so that the work can be processed while being circulated along the pair of conveyor belts, To an advantageous glass polishing apparatus.

BACKGROUND ART [0002] As information and communication technologies have been developed in recent years, personal portable terminals have been widely used. Such personal portable terminals include a general mobile phone for phone calls, a smart phone capable of performing various additional services using an internet communication function in addition to a telephone function, a tablet using a touch screen as a main input device, PC (Tablet PC) and so on. In particular, the smart phone is an intelligent terminal that adds a computer support function such as an internet communication and an information search to a mobile phone, and is replacing a conventional mobile phone with a fast one, and a tablet PC is also widely used instead of a conventional notebook computer.

One of the characteristics of such a mobile terminal as a smart phone and a tablet PC is that a character or a command signal can be inputted through a touch screen. In particular, a touch screen applied to a mobile terminal such as a smart phone or a tablet PC has a high resolution and precision Touch sensing should be possible. Tempered glass is mainly used as a touch screen of the portable terminal. The tempered glass is stronger than the acrylic material used as a display window of a conventional portable terminal, has a strong heat resistance, and has a high transmittance.

The tempered glass used as the touch screen of such a portable terminal is changing from a simple simple 2D (2D) design to a curved (3D) design in order to improve visual aesthetics and improve grip feeling when user grasps.

The tempered glass for a touch screen of the portable terminal may be manufactured by first cutting a disc glass to fit the size of a touch screen and then preparing a curved surface jig for forming tempered glass of a curved surface design type, After the glass is attached and the heat treatment bending process is performed, the glass is made into a curved surface design form, and then the glass made in the curved surface design type is chemically reinforced to produce a tempered glass.

The tempered glass produced through the process described above has a brittle whitening phenomenon in which the color of the surface changes sharply in the heat treatment bending and chemical strengthening process for curved surface forming, and the micro bending phenomenon occurs due to the poor surface roughness. Accordingly, a precise polishing process is required for the curved glass surface. Conventionally, since the polishing process of the curved glass surface is performed manually, it takes a lot of time and it is difficult to precisely polish the curved glass surface.

On the other hand, in recent years, the polishing process for the glass curved surface is automatically performed through the glass surface polishing equipment described in the Japanese Patent No. 10-1604186 (Oct. 20, 2016) There is a problem in that the polishing process of the curved glass must be performed several times.

Further, since slurry is required to be supplied in the course of polishing a glass curved surface through a glass surface polishing apparatus, there has been a problem that secondary contamination occurs through such slurry.

The present invention is characterized in that a plurality of polishing pads having different standards are mounted on each of a plurality of polishing heads arranged in a row so that various kinds of workpieces can be polished at one time, Area is prevented from being contaminated again by the slurry, and the non-slip jig located in the atmospheric region is selectively transferred to the counter-conveyor belt, so that the workpiece is conveyed along the pair of conveyor belts And it is an object of the present invention to provide a glass polishing apparatus which is advantageous for application of an automated process system.

A glass polishing apparatus according to the present invention comprises a base for a hexahedron having a length in the forward and backward directions, conveying means provided on the upper surface of the base for conveying the work in the longitudinal direction, And a processing part for carrying out a polishing process stepwise divided into a plurality of parts of the workpiece to be transferred by the transferring part and a pair of partition walls spaced from the front and rear sides of the transferring part And a waiting area for preventing contamination of the workpiece after it has been processed by the slurry scattered in the working area, the conveying device comprising a conveyor belt provided along the longitudinal direction of the base, A plurality of non-slip jigs arranged at predetermined intervals along the workpiece, the workpieces being slid on an upper surface thereof, The pair of conveyor belts are driven so that their driving directions are staggered, and the pair of conveyor belts are arranged in front of and behind the pair of conveyor belts And a circulation transfer means for selectively transferring the non-slip jig located in the waiting area to the left and right direction to cause the non-slip jig to circulate the pair of conveyor belts.

At this time, the processing unit according to the present invention includes an X-axis plate disposed on the conveying unit and moving the polishing head along the X-axis rail provided along the longitudinal direction of the base in the X-axis direction, And a Y-axis plate disposed on the X-axis plate for moving the polishing head along a Y-axis rail provided at a right angle to the longitudinal direction of the base, wherein the plurality of polishing heads are arranged in a Y And is coupled to the shaft plate to form one processing module, and the four processing modules are preferably arranged in a line.

The polishing head according to the present invention includes a housing coupled to the Y-axis plate, a fixing plate horizontally coupled to the upper surface of the housing, an electric motor provided at one side of the fixing plate to selectively generate rotational force, A spline shaft provided perpendicularly to the center of the housing, the spline shaft being rotatable about an axial direction, the polishing pad being mounted at a lower end thereof, and a spline shaft provided on an axis line of the spline shaft, And a spline pulley for rotating the spline by a rotational force of the electric motor transmitted through the belt.

Further, a pair of support members, each of which has a coupling hole formed on the left and right sides of the X-axis line of the housing according to the present invention, and which has a coupling shaft coupled to the coupling hole, is coupled, It is preferable that the tilting angle of the tilting mechanism is variable.

In addition, the distance between the pair of partitions according to the present invention is equal to a pitch movement distance of the conveyor belt.

The glass polishing apparatus according to the present invention includes a base having a hexahedron having a length in the forward and backward directions, conveying means provided on the upper surface of the base for conveying the work in the longitudinal direction, And a processing part for performing a plurality of polishing processes, which are divided into a plurality of processes, carried out by the transfer device, and a pair of partition walls spaced from the front and rear sides of the transfer device Wherein the conveying means comprises a conveyor belt provided along the longitudinal direction of the base, and a conveyor belt disposed on the conveyor belt in the longitudinal direction A plurality of non-slipping jigs arranged at predetermined intervals along the surface of the workpiece, And a plurality of clamping means disposed at regular intervals along the conveyor belt and clamping each non-slip jig located at a predetermined position for performing polishing processing on the workpiece.

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At this time, the plurality of clamping means according to the present invention includes a fixing member having a shape of 'a' arranged on one side relative to the conveyor belt, and a fixing member disposed on the other side relative to the fixing belt, And push means for pushing and locking the non-slip jig transferred by the conveyor belt toward the fixing member.

The glass polishing apparatus according to an embodiment of the present invention has the following effects.

First, a plurality of polishing heads in which the tilting angle of the polishing head is varied while the polishing head itself moves in the X-axis or Y-axis direction are arranged in a line while the spline shaft is rotated, It is possible to perform a variety of polishing processing processes in one line, such as a flat machining of a workpiece, a rounded corner face machining, a curved face machining of a negative or angled face, and a complex curved face machining in which a negative face and a boss are formed together.

Second, there is an effect that the workpiece having been polished to an atmospheric region formed by a pair of partition walls spaced from each other is prevented from being contaminated again by the slurry.

Third, since the non-slip jig located in the waiting area is selectively transferred to the counter-conveyor belt, the workpiece can be processed while being circulated along the pair of conveyor belts, which is advantageous for application of the automated process system.

1 is a perspective view showing a glass polishing apparatus according to an embodiment of the present invention.
2 is a plan view showing a glass polishing apparatus according to an embodiment of the present invention.
3 is an exemplary view showing a transferring means of a glass polishing apparatus according to an embodiment of the present invention.
FIG. 4 is an exemplary view showing an example of moving in the X-axis or Y-axis direction of a processing module according to an embodiment of the present invention.
5 is an exemplary view showing a configuration of a polishing head according to an embodiment of the present invention.
6 is an exemplary view showing an example in which a glass is polished by a polishing head according to an embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. Prior to this, terms and words used in the present specification and claims should not be construed as limited to ordinary or dictionary terms, and the inventor should appropriately interpret the concepts of the terms appropriately The present invention should be construed in accordance with the meaning and concept consistent with the technical idea of the present invention.

Therefore, the embodiments described in the present specification and the configurations shown in the drawings are merely the most preferred embodiments of the present invention, and not all of the technical ideas of the present invention are described. Therefore, at the time of the present application, It should be understood that variations can be made.

The present invention can be applied to a single workpiece in a single line of various polishing processes, such as planar processing, rounded edge processing, curved surface processing of a concave or convex surface, and complex curved surface processing in which a concave and convex surface are formed together , It is prevented that the workpiece having been polished into the atmospheric region formed by the pair of spaced apart partition walls is again contaminated by the slurry and the non-slip jig located in the atmospheric region is selectively transferred to the counter-conveyor belt The present invention relates to a glass polishing apparatus which can be processed while circulating and transporting a workpiece along a pair of conveyor belts, and which is advantageous for application of an automated process system, and will be described in more detail with reference to the drawings.

1 to 6, a glass polishing apparatus according to an embodiment of the present invention includes a base 100, a transfer unit 200, and a machining unit. First, the base 100 has a length in the forward and backward directions It is made of hexahedron.

On the upper surface of the base 100, a conveying means 200 is provided. The conveying means 200 conveys the workpiece to be polished, from front to back or from rear to front.

2, the conveying means 200 includes a pair of conveyor belts 210 on the upper surface of the base 100 along the longitudinal direction of the base 100, Respectively.

The pair of conveyor belts 210 are arranged in parallel with each other at a distance from each other. The pair of conveyor belts 210 are driven to be shifted from each other in driving directions. On the conveyor belt 210, a plurality of non-slip jigs 220 Are arranged at regular intervals along the longitudinal direction before and after the conveyor belt 210. [

In other words, any one of the pair of conveyor belts 210 is driven from the front to the rear, and the other conveyor belt 210 is driven from the rear to the front.

In addition, the non-slip jig 220 is provided with a non-slip pad made of silicone or rubber on its upper surface so as to prevent the workpiece from slipping on the upper surface, and also has a non-slip pad on the bottom surface thereof, And does not slip or flow in place on the conveyor belt 210 due to the generated recoil.

A pair of partitions 230 are provided on the front and rear sides of the conveying unit 200. The pair of partitions 230 are spaced apart from each other by a predetermined distance, An atmospheric region in which the workpiece is waiting separately from the machining region in which the workpiece is machined at the rear is partitioned and the machined workpiece is prevented from being contaminated by the slurry scattered in the machining region.

At this time, the distance between the pair of partitions 230 is equal to a pitch movement distance of the conveyor belt 210, and the distance between the end of the processing area and the atmospheric area is equal to a pitch movement distance of the conveyor belt 210.

3, circulation conveying means 240 are provided on the front side and the rear side of the pair of conveyor belts 210, respectively. The non-slip jig 220 is conveyed in the left or right direction so that the non-slip jig 220 conveyed along the conveyor belt 210 circulates the pair of conveyor belts 210.

At this time, an atmospheric block 211 having the same height as the conveyor belt 210 is provided between the front side and the rear side of the pair of conveyor belts 210, When the circulation conveyance means 240 is driven again, the conveyance belt 220 is conveyed along the pair of conveyor belts 210 so as to be drawn into the other conveyance belt 210, (220) are circulated and transported.

Therefore, at the end of the conveying means 200 according to an embodiment of the present invention, the end of the machining region and the atmospheric region are partitioned by the partition 230. When the work is finished in the machining region and is cleaned in the atmospheric region , The slurry blown off during the polishing of the workpiece is prevented from being washed, or the workpiece after washing is not contaminated.

In addition, the circulation conveying means 240 provided on the front side and the rear side of the pair of conveyor belts 210 according to the processing degree of difficulty and the processing steps may include a conveyor belt 240 for conveying the non-slip jig 220, And transferred to the belt 210 so that the workpiece can be processed while being circulated.

In addition, the machining portion is positioned above the transfer means 200,

The polishing process is divided into a plurality of processes, each of which is carried on the transfer means 200 along the longitudinal direction and transferred by the transfer means 200, step by step. At this time, the workpiece placed on the non-slip jig 220 is polished while moving on the workpiece conveyed by the conveying means 200 in the X-axis and Y-axis directions.

Referring to FIGS. 1, 3, and 4, the machining portion according to the embodiment of the present invention is disposed on the non-slip jig 220, A polishing head 400 for polishing a workpiece is provided in which at least two polishing heads 400 are connected to form a single processing module 410, 420, 430 or 440, and four of the processing modules 410, 420, And are arranged in a row to constitute a polishing processing section.

In this case, in the embodiment of the present invention, the processing module located at the leading end of the loading zone in which the workpiece is to be introduced is referred to as a first processing module 410, and the second processing module 420, the third processing module 430 ) And the fourth processing module 440, respectively.

In the first processing module 410 according to an embodiment of the present invention, two polishing heads 400 are provided as one module, and the second processing module 420 includes three polishing heads 400, And the third processing module 430 and the fourth processing module 440 are provided with four polishing heads 400 as one module.

Each of the first processing module 410, the second processing module 420, the third processing module 430 and the fourth processing module 440 moves along the X axis and the Y axis, The first processing module 410 to the fourth processing module 440 may be configured to polish a workpiece placed on the X axis plate 310 and the Y axis plate 320 To the X-axis and the Y-axis.

4, a support frame 301 is mounted on the upper surface of the base 100 with a distance upward along the periphery of the conveyor belt 210 as the conveying means 200, An X-axis rail 311 is provided above the support frames 301 arranged in the longitudinal direction of the conveyor belt 210 among the support frames 301.

The pair of X-axis rails 311 are arranged in parallel with each other on both sides of the conveyor belt 210 with respect to the conveyor belt 210 provided on the upper surface of the base 100 .

An X-axis plate 310 having upper and lower holes is seated on a pair of X-axis rails 311 so that the X-axis plate 310 is selectively moved along a pair of X-axis rails 311 Move to the X axis.

The X-axis plate 310 is provided in each of the first processing module 410, the second processing module 420, the third processing module 430, and the fourth processing module 440, Axis plate 310 provided in the first processing module 420, the third processing module 430, and the fourth processing module 440 may be connected to each other to form an integral body.

Accordingly, the first processing module 410, in which the X-axis plates 310 are separately separated, can move independently in the X-axis direction, and the X-axis plate 310 is connected to the second processing module 420, The module 430 and the fourth processing module 440 can move along the X axis.

The driving force for moving the X-axis plate 310 in the X-axis direction is transmitted to a piston or a conveyance screw (not shown) provided at one side of the support frame 301 arranged in the longitudinal direction of the conveyor belt 210 The X-axis plate 310 moves in the X-axis direction corresponding to the extension of the rod length of the piston or the driving of the feed screw (ball screw).

A Y-axis rail (not shown) is mounted on the upper portion of the X-axis plate 310 provided in each of the first processing module 410, the second processing module 420, the third processing module 430 and the fourth processing module 440 Axis plate 321. The Y-axis rail 321 is disposed on both sides of the hole before and after the hole formed in the X-axis plate 310. [

At this time, the holes formed in the X-axis plate 310 are formed at positions where the polishing head 400 is disposed, so that the spline shaft 404 of the polishing head 400 passes downward.

Therefore, it is preferable that a plurality of the Y-axis rails 321 are provided on the X-axis plate 310 corresponding to the holes, and a plurality of Y- The Y-axis plate 320 is placed on the shaft rail 321 and selectively moves along the Y-axis rail 321 in the Y-axis direction.

At this time, a hole is formed in the Y-axis plate 320 corresponding to the position where the polishing head 400 is disposed, so that the spline shaft 404 of the polishing head 400 passes downward.

Here, the first processing module 410 among the first to fourth processing modules 410 to 440 processes the outer edge of the workpiece in a round shape, and the edge of the workpiece is cut along the rim of the workpiece, , And the tilting angle of the polishing head 400 is varied as well as moving in the Y-axis direction, and the rim of the workpiece can be formed into a round shape with a relief or an obtuse angle as shown in FIG.

5 and 6, the polishing head 400 includes a housing 401 which is fixedly coupled to the Y-axis plate 320. A fixing plate 402 is horizontally disposed on the upper surface of the housing 401 An electric motor 403 is provided at one side of the fixed plate 402 to selectively generate rotational force.

A spline shaft 404 is vertically provided at the center of the housing 401. The spline shaft 404 passes through a hole of a hole X-axis plate 310 of the Y-axis plate 320 and is directed downward, The polishing pad 406 is mounted and selectively moved up and down as well as rotated about the axial direction.

At this time, a spline pulley 405 is provided on the axis of the spline shaft 404. The spline pulley 405 is connected to the rotation shaft of the electric motor 403 by a belt so that the rotational force of the electric motor is transmitted through the belt And rotates the spline shaft 404 with the transmitted rotational force.

The polishing head 400 includes a pair of support members 408a and 409b each having a coupling hole formed on the left and right sides of the X-axis line of the housing 401, respectively, The tilting angle of the polishing head 400 is varied with the coupling shaft 408 as an axis.

The polishing head 400 may further include a slurry supply module for supplying the slurry to the lower end of the spline shaft 404, which will not be described in detail.

In addition, the glass polishing apparatus according to the embodiment of the present invention is provided with clamping means 500 for clamping the non-slip jig 220 during the polishing process time when the polishing head 400 polishes the workpiece, The clamping unit 500 is disposed at a predetermined interval along the conveyor belt 210 in correspondence with the position of the polishing head 400 so that the non-slip jig 220 positioned at a predetermined position to perform polishing processing on the workpiece Clamp.

At this time, the plurality of clamping units 500 are provided with a fixing member 510 having a shape of 'a' at one side thereof on the basis of the conveyor belt 210, and the fixing member 510 is correspondingly fixed to the conveyor belt 210, The pushing means 520 selectively extends the length and pushes the non-slip jig 220 conveyed by the conveyor belt 210 toward the fixing member 510 To be clamped.

Therefore, the spline shaft of the polishing head for polishing the surface of the glass according to the embodiment of the present invention is lifted up and down while rotating, and the polishing head itself moves in the X-axis or Y- The tilting angle can be varied to polish the rounded chamfered edge, as well as the curved surface of embossing or embossing, and the complex curved surface formed by embossing and embossing together.

A plurality of polishing pads having different standards can be mounted on each of the plurality of polishing heads arranged in a row, so that various kinds of workpieces can be polished at a time.

Further, the workpiece, which is provided in the transfer means and is washed after the polishing process, is prevented from being contaminated again by the slurry so as to prevent the slurry from leaking through the partition wall partitioning the processing region and the atmospheric region.

Finally, the non-slip jig located in the waiting area is selectively transferred to the counter-conveyor belt, so that the workpiece can be processed while being circulated along the pair of conveyor belts, which is advantageous for application of an automated process system.

While the present invention has been described with reference to exemplary embodiments, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims. Accordingly, the true scope of the present invention should be determined by the technical idea of the appended claims.

100: base 200: conveying means
210: conveyor belt 220: non-slip jig
230: partition wall 240: circulation conveying means
211: Waiting block 301: Support frame
310: X-axis plate 311: X-axis rail
320: Y-axis plate 321: Y-axis rail
400: polishing head 401: housing
402: Fixing plate 403: Electric motor
404: Spline shaft 405: Spline pulley
406: Polishing pad 407: Support member
408: coupling shaft 410: first machining module
430: second machining module 430: third machining module
440: fourth processing module 500: clamping means
510: fixing member 520: pushing means

Claims (10)

A hexahedral base having a length in the forward and backward directions;
Conveying means provided on an upper surface of the base for conveying the work in the longitudinal direction;
A processing unit positioned in the longitudinal direction on the upper side of the conveying unit and performing a plurality of polishing processes in steps of the workpiece conveyed by the conveying unit; And
And an atmospheric region formed between a pair of partition walls spaced from the front and rear of the transfer means to prevent contamination of the processed workpiece by the slurry scattered in the processing region,
Wherein the conveying means comprises: a conveyor belt provided along the longitudinal direction of the base;
A plurality of non-slip jigs arranged at regular intervals along the longitudinal direction on the conveyor belt and slidably resting the workpiece on the upper surface;
Wherein the conveyor belts are provided in a pair in parallel with each other at a distance along the longitudinal direction of the base, wherein the pair of conveyor belts are driven in a staggered driving direction,
Wherein the non-slip jig is provided with a pair of conveyor belts and a pair of conveyor belts, and a pair of conveyor belts, Wherein the glass polishing apparatus comprises:
delete delete delete The method according to claim 1,
The processing unit
An X-axis plate disposed on the conveying means and moving the polishing head along the X-axis rail provided along the longitudinal direction of the base in the X-axis direction;
And a Y-axis plate disposed on the X-axis plate and moving the polishing head along the Y-axis rail in a Y-axis direction on the Y-axis rail at a right angle to the longitudinal direction of the base,
Wherein a plurality of the polishing heads are coupled to one Y-axis plate to form one processing module, and four processing modules are arranged in a line.
The method of claim 5,
The polishing head
A housing coupled to the Y-axis plate;
A fixing plate horizontally coupled to the upper surface of the housing;
An electric motor provided at one side of the fixed plate and generating a rotational force selectively;
A spline shaft vertically provided at the center of the housing, a spline shaft mounted at a lower end thereof with a polishing pad and rotated about an axial direction;
And a spline pulley which is provided on an axis line of the spline shaft and is connected to a rotation shaft of the electric motor by a belt and rotates the spline by a rotational force transmitted from the rotation of the electric motor through the belt.
The method of claim 6,
A coupling hole is formed on the left and right sides of the X-axis of the housing,
Wherein a pair of support members having coupling shafts coupled to the coupling holes are coupled to each other so that a tilting angle of the polishing head is varied with the coupling shaft as an axis.
The method according to claim 1,
Wherein a distance between the pair of partitions is equal to a pitch movement distance of the conveyor belt.
A hexahedral base having a length in the forward and backward directions;
Conveying means provided on an upper surface of the base for conveying the work in the longitudinal direction;
A processing unit positioned in the longitudinal direction on the upper side of the conveying unit and performing a plurality of polishing processes in steps of the workpiece conveyed by the conveying unit; And
And an atmospheric region formed between a pair of partition walls spaced from the front and rear of the transfer means to prevent contamination of the processed workpiece by the slurry scattered in the processing region,
Wherein the conveying means comprises: a conveyor belt provided along the longitudinal direction of the base;
A plurality of non-slip jigs arranged at regular intervals along the longitudinal direction on the conveyor belt and slidably resting the workpiece on the upper surface;
And a plurality of clamping means disposed at regular intervals along the conveyor belt for clamping each of the non-slip jigs located at a predetermined position for performing a polishing process on the workpiece.
The method of claim 9,
The plurality of clamping means
A fixing member of a 'type' disposed on one side with respect to the conveyor belt;
And push means disposed on the other side of the fixing member corresponding to the conveyor belt to selectively extend the length and push the non-slip jig conveyed by the conveyor belt toward the fixing member to clamp the glass.

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