WO2020082492A1

WO2020082492A1 - Glass grinder

Info

Publication number: WO2020082492A1
Application number: PCT/CN2018/117617
Authority: WO
Inventors: 胡小三; 李青; 李学锋; 谢志红
Original assignee: 东旭科技集团有限公司; 东旭集团有限公司
Priority date: 2018-10-26
Filing date: 2018-11-27
Publication date: 2020-04-30
Also published as: CN109176218A; CN109176218B

Abstract

A glass grinder. The glass grinder comprises: a glass supporting unit (2), the glass supporting unit (2) comprising a base, a lower supporting part (21) and an upper supporting part (22) mounted on the base; a grinding head unit (1), the grinding head (1) being mounted on the base, the grinding head unit (1) comprising a driving motor (12) and a grinding wheel (11) driven by the driving motor (12) to rotate around a second axis of rotation; and a positioning unit (3), the positioning unit (3) being mounted on the base, the positioning unit (3) comprising a positioning plate (31), and the positioning plate (31) being provided with a positioning surface provided corresponding to the perimeter of a piece of glass (A) to be ground. The glass grinder has high production efficiency and high processing precision, is structurally simple, and is convenient to use and maintain.

Description

Glass grinding machine

Technical field

The invention relates to the field of deep processing of glass, in particular, to a glass grinding machine.

Background technique

The glass substrate is one of the key basic materials of various devices with display functions (for example, computers, mobile phones, etc.). At present, the peripheral grinding work of the glass substrate is usually completed by an engraving machine. During the processing process, one station of the engraving machine can only process one piece of glass at a time. The production efficiency is low, and the production cost of the glass substrate is relatively high. In addition, during the processing of the glass substrate, it is usually determined by manual measurement, visual inspection, etc. whether the glass substrate to be polished is placed in place, and there is no accurate positioning device to determine whether the glass substrate is placed in place, so that the grinding amount of each edge of the glass substrate Different, affect the processing accuracy, and need to make the size of the glass substrate to be ground larger to ensure the integrity of the finished product.

Therefore, it is desirable to have a device that can overcome or at least alleviate the aforementioned drawbacks of the prior art.

Summary of the invention

The purpose of the present invention is to overcome the problems existing in the prior art, and to provide a glass grinder with high processing efficiency and high processing precision.

In order to achieve the above object, one aspect of the present invention provides a glass grinder, the glass grinder includes: a glass carrying unit, the glass carrying unit includes a base, and a lower bearing portion and an upper bearing portion mounted on the base , Wherein the lower bearing part includes a glass stage, and the upper bearing part includes a glass pressing stage corresponding to the glass stage, the glass stage and the glass pressing stage can be synchronized around a first rotation axis Rotation; grinding head unit, the grinding head unit is mounted on the base, the grinding head unit includes a drive motor and a grinding wheel rotating around a second axis of rotation under the drive of the drive motor, the grinding wheel can Moving in the radial direction of the grinding wheel to approach or move away from the glass stage; and a positioning unit, the positioning unit is mounted on the base, the positioning unit includes a positioning plate, the positioning plate has The outer periphery of the ground glass corresponds to a positioning surface, the positioning plate can be positioned between the positioning position for positioning the glass to be ground and the avoidance position to avoid interference with the rotation of the glass to be ground Switch.

Preferably, the lower bearing portion includes a rotating electric machine mounted on the base and a rotating shaft that rotates around the first rotation axis under the driving of the rotating electric machine, and the glass stage is fixedly mounted on the rotating The upper end of the shaft, the upper bearing portion includes a compression cylinder mounted on the base and a compression shaft drivingly connected to the movable end of the compression cylinder, the compression shaft can Driven up and down and can rotate relative to the movable end, the glass pressing table is fixedly installed at the lower end of the pressing shaft, the central axis of the rotating shaft and the central axis of the pressing shaft and the first The axes of rotation coincide.

Preferably, the glass bearing unit includes a bracket rail mounted on the base and a pressing bracket slidingly mounted on the bracket rail, wherein the upper end of the pressing bracket is mounted on the movable end, the The lower end of the pressing bracket is mounted on the pressing shaft through a second rolling bearing; and / or the glass bearing unit further includes a first cushion pad for setting between the glass stage and the glass to be ground A second cushion provided between the glass pressing table and the glass to be ground.

Preferably, the base includes a bottom plate, a rack, a top plate and side plates, the lower bearing portion is installed on the bottom plate, and the upper bearing portion is installed on the top plate.

Preferably, the grinding head unit includes a grinding head seat and a radial motor, a radial movement mechanism, a lifting motor and a lifting mechanism provided on the grinding head seat, wherein the grinding head seat passes through the radial movement mechanism It is mounted on the base and moves in the radial direction under the drive of the radial motor. The grinding wheel is mounted on the grinding head seat by the lifting mechanism and is driven by the lifting motor The axis of the grinding wheel moves.

Preferably, the grinding head unit includes a grinding part for grinding the grinding wheel, the grinding part is mounted on the base, the grinding wheel can be connected to the lifting motor and the radial motor Is driven to a grinding position aligned with the grinding section; and / or the grinding head base includes a lifting support section, a radial support section, and a connection between the lifting support section and the radial support section Strengthen the Department.

Preferably, the positioning unit includes a base fixedly mounted on the base, a positioning guide rail and a driving cylinder mounted on the base, the positioning plate is slidingly mounted on the positioning guide rail and driven by the driving cylinder Slide along the positioning rail to switch between the positioning position and the avoidance position.

Preferably, the positioning surfaces include a first positioning surface and a second positioning surface that are perpendicular to each other, and the first positioning surface and the second positioning surface respectively correspond to adjacent two side edges of the glass to be ground.

Preferably, the angle between the extending direction of the positioning guide rail and the first positioning surface is 45 degrees; and / or the positioning plate is detachably mounted on the base.

Preferably, the positioning unit includes a scale extending along the positioning guide rail, a pointer corresponding to the scale is formed on the positioning plate; and / or the positioning unit includes a limit structure, the limit structure includes A limiting seat fixedly installed on the base and a limiting block fixedly installed on the limiting seat, a matching block arranged corresponding to the limiting block is formed on the positioning plate.

Through the above technical solution, the glass grinder provided by the present invention can stack several pieces of glass on a glass stage and grind it once after being pressed by the glass pressing table. The production efficiency is high, and a positioning unit is provided to position the glass. The position of the ground glass improves the placement accuracy of the glass of the glass grinder, so that the grinding amount of each edge of the glass to be ground is basically the same, improving the processing accuracy, and the glass grinder has a simple structure and is convenient to use and maintain.

BRIEF DESCRIPTION

1 is a schematic diagram of a glass grinder according to an embodiment of the present invention;

2 is a schematic diagram of another angle of the glass grinder shown in FIG. 1;

3 is a schematic view of the grinding head unit of the glass grinder shown in FIG. 1;

4 is a schematic diagram of another angle of the grinding head unit shown in FIG. 3;

5 is a schematic diagram of the glass carrying unit of the glass grinder shown in FIG. 1;

6 is a schematic diagram of another angle of the glass carrying unit shown in FIG. 5;

7 is a schematic cross-sectional view of the glass carrying unit shown in FIG. 5;

8 is a schematic view of the positioning unit of the glass grinder shown in FIG. 1;

9 is a schematic view of the positioning unit shown in FIG. 8 from another angle.

DESCRIPTION OF REFERENCE NUMERALS

1-grinding head unit, 11-grinding wheel, 12-drive motor, 13-grinding head seat, 131-elevating support part, 132-radial support part, 133-reinforcement part, 134-screw mounting seat, 14-repair Grinding part, 141-grinding stone mounting seat, 142-grinding stone, 143-grinding stone gland, 15-drive motor seat, 16-radial motor, 171-first radial guide rail, 172-second diameter Guide rail, 181-first lifting rail, 182-second lifting rail, 2-glass bearing unit, 21-lower bearing part, 211-glass stage, 212-lower bearing part mount, 213-rotating motor, 214- Rotating shaft, 215-first rolling bearing, 216-coupling, 217-axis circlip, 22-upper bearing, 221-glass press table, 222-clamping cylinder, 223-clamping bracket, 224-clamping shaft , 225-second rolling bearing, 226-cylinder floating joint, 227-piston rod, 228-gland, 229-upper bearing mount, 23-frame, 24-bottom plate, 25-side plate, 26-top plate, 27 -Bracket guide rail, 3-positioning unit, 31-positioning plate, 32-base, 33-drive cylinder, 34-cylinder mounting seat, 35-limit structure, 351-limit seat, 352-limit block, 353-lock Tightening screw, 36-gauge, 37-pointer, 381-first positioning Surface, 382-second positioning surface, 39-positioning guide, 30-fitting block, A-glass to be ground.

detailed description

In the present invention, the directional words such as "upper and lower" generally refer to the upper and lower positions of the glass grinder in the natural placement state, during the production, transportation and use of the glass grinder, unless otherwise stated. No matter how the placement direction changes, as long as its structure is the same as that of the glass grinder disclosed in the present invention, it falls within the protection scope of the present invention.

The present invention provides a glass grinder. Referring to FIGS. 1 and 2, the glass grinder includes: a glass carrying unit 2, the glass carrying unit 2 includes a base and a lower bearing 21 mounted on the base And an upper carrying part 22, wherein the lower carrying part 21 includes a glass stage 211, the upper carrying part 22 includes a glass stage 221 corresponding to the glass stage 211, and the glass stage 211 and the glass stage 221 can rotate around the first The axis rotates synchronously; the grinding head unit 1, the grinding head unit 1 is mounted on the base, the grinding head unit 1 includes a driving motor 12 and a grinding wheel 11 that rotates around a second rotation axis under the driving of the driving motor 12, the grinding wheel 11 Capable of moving in the radial direction of the grinding wheel 11 to approach or move away from the glass stage 211; and a positioning unit 3 installed on the base, the positioning unit 3 includes a positioning plate 31, and the positioning plate 31 has The outer periphery of the glass A corresponds to a positioning surface provided, and the positioning plate 31 can switch between a positioning position for positioning the glass A to be polished and a avoidance position that avoids interference with the rotation of the glass A to be polished.

The glass grinding machine provided by the present invention can stack several pieces of glass A and place them on a glass stage 211, which is compacted once after being pressed by a glass pressing table 221. The production efficiency is high, and a positioning unit 3 is provided to position the glass to be ground The position of the glass A improves the placement accuracy of the glass A of the glass grinder, so that the grinding amount of each edge of the glass A to be polished is basically the same, improves the processing accuracy, and does not need to use large-sized raw materials because of placement errors To ensure the integrity of the finished product, and the structure of the glass grinder is simple, easy to use and maintain. The feed of the grinding wheel 11 in the radial direction of the grinding wheel 11 and the rotation of the glass A to be ground itself are combined, so that the glass grinding machine can grind multiple pieces of glass at a time.

The structures of the upper bearing portion 21 and the lower bearing portion 22 can be appropriately selected according to actual needs, so that the glass stage 211 and the glass pressing table 221 can drive the glass A to be ground to rotate synchronously. For example, a rotating drive mechanism is arranged on both the lower bearing portion 21 and the upper bearing portion 22, and they are synchronously rotated by the control unit, or a rotating driving mechanism is arranged on the upper bearing portion 22, and the glass A is pressed by the glass pressing table 221 and then pressed The glass pressing table 211 drives the glass stage 211 to rotate synchronously by the friction between the two.

Preferably, referring to FIGS. 5 and 6, the lower bearing portion 21 includes a rotating motor 213 mounted on the base and a rotating shaft 214 that rotates about the first rotation axis under the driving of the rotating motor 213, and the glass stage 211 It is fixedly installed on the upper end of the rotating shaft 214. The central axis of the rotating shaft 214 coincides with the first rotating axis. Placing the rotating driving mechanism on the lower bearing portion 21 makes its arrangement more convenient, and the glass A needs to withstand more pressure small.

The glass pressing table 221 can press the glass A by using any appropriate biasing mechanism, for example, a biasing spring, etc., but the biasing spring is not easy to control and the biasing pressure is unstable. Therefore, preferably, the upper bearing portion 22 includes a pressing cylinder 222 mounted on the base and a pressing shaft 224 drivingly connected to the movable end of the pressing cylinder 222. The pressing shaft 224 can be attached to the pressing cylinder 222 Is driven to move up and down and can rotate relative to the movable end. The glass pressing table 221 is fixedly installed at the lower end of the pressing shaft 224, and the central axis of the pressing shaft 224 coincides with the first rotation axis, that is, the rotation shaft 214 The central axis of and the central axis of the pressing shaft 224 coincide with the first rotation axis. The glass pressing table 221 only needs to be properly raised and lowered under the drive of the pressing cylinder 222 to apply an appropriate pressure to the glass A so that the glass A rotates synchronously with the glass stage and the glass pressing table.

In the illustrated embodiment, the rotating shaft 214 is connected to the output shaft of the rotating electric machine 213 through a coupling 216, and then is driven to rotate by the rotating electric machine 213, and the piston rod 227 of the pressing cylinder 222 can be along the axis of the grinding wheel 11 Moving, the lower end of the piston rod 227 is provided with a cylinder floating joint 226, and the upper end of the compression bracket 223 is connected to the cylinder floating joint 226.

Referring to FIG. 7, the glass pressing table 221 needs to be raised and lowered frequently during use to compress or release the glass A. A slight sway or deviation of the glass pressing table 221 may cause the glass A to be damaged, or the glass A may not be ideally compressed, affecting The processing accuracy and processing efficiency of Glass A. Preferably, the glass carrying unit 2 includes a bracket rail 27 mounted on the base and a pressing bracket 223 slidingly mounted on the bracket rail 27, wherein the upper end of the pressing bracket 223 is mounted on the movable end, and the The lower end is mounted on the pressing shaft 224 through the second rolling bearing 225, and the pressing bracket 223 rises or descends steadily and accurately along the bracket rail 27, so that the glass pressing table 221 rises or descends steadily and accurately. A gland 228 is provided on the upper end of the pressing shaft 224 to press the second rolling bearing 225 and avoid the influence of external impurities on the bearing.

Further preferably, the pressing cylinder 222 includes an air pressure adjusting member for adjusting the internal air pressure of the pressing cylinder 222 to flexibly adjust the glass pressing table 221 to act on the glass A according to requirements (for example, according to parameters such as the strength and thickness of the glass A) Compression force. The air pressure adjusting member may be an upper limit pressure valve or other suitable components provided on the compression cylinder 222, and the user may make an appropriate selection according to actual needs.

Preferably, the glass carrying unit 2 further includes a first cushion for setting between the glass stage 211 and the glass A to be ground and a second for setting between the glass pressing table 221 and the glass A to be ground The cushion, the buffer glass stage 211 and the glass pressing table 221 act on the pressure on the glass A, to avoid or reduce the damage of the glass. The materials of the first cushion pad and the second cushion pad can be arbitrarily selected according to actual needs, for example, rubber, foam, etc.

The structure of the base can be appropriately set according to actual equipment needs, as shown in FIG. 1, FIG. 2, FIG. 5 and FIG. 6, the base includes a bottom plate 24, a frame 23, a top plate 26 and side plates 25 , This structure makes the base have sufficient strength and rigidity, and provides a suitable installation position for the lower bearing portion 21, the upper bearing portion 22, the grinding head unit 1, and the positioning unit 3, and can protect the glass A and The corresponding functional structure. Among them, the lower bearing portion 21 is installed on the bottom plate 24, the upper bearing portion 22 is installed on the top plate 26, the two are arranged oppositely, the glass A is arranged between the glass stage 211 and the glass pressing table 221, and can be stably placed under its own gravity On the glass stage 211.

Preferably, referring to FIG. 5, the frame 23 is formed by joining a plurality of support rods into a rectangular parallelepiped frame, so that the mechanism 23 has sufficient strength and light weight, reduces the weight of the glass grinder, and reduces the manufacturing and use costs of the glass grinder. Wherein, one side of the rectangular parallelepiped frame is formed with a glass access port (that is, a position where no support rod is provided in FIG. 5), which facilitates access to the glass A, and prevents the frame 23 from interfering with the operation of the grinding wheel 11.

Preferably, an upper bearing part mounting seat 229 is formed on the top plate 26, and a lower bearing part mounting seat 212 is formed on the bottom plate 24 to facilitate the installation arrangement of the upper bearing part 22 and the lower bearing part 21. Referring to FIG. 7, the upper bearing portion mounting portion 229 forms a mounting bracket that is more fixed to the upper side of the top plate 26, the compression cylinder 222 is mounted on the mounting bracket, and the lower bearing portion mounting portion 212 is formed to be mounted on the upper side of the bottom plate 24 Of the tubular support base, the rotating shaft 214 passes through the inner passage of the support base, and a first rolling bearing 215 is provided between the rotating shaft 214 and the inner passage of the support base to reduce or avoid the rotation of the rotating shaft 214 The sway improves the stability and reliability of the lower bearing 21. Referring to FIG. 5, a shaft retainer 217 is provided on the rotating shaft 214 to realize the positioning installation of the first rolling bearing 215.

Preferably, the upper surface of the glass stage 211 and the lower surface of the glass stage 221 are parallel to each other, the axis of rotation is perpendicular to the upper surface of the glass stage 211, and the glass A is uniformly stressed, reducing sloshing during rotation.

The shape and size of the glass stage 211 and the glass pressing table 221 are preferably close to the size of the glass A to be ground, so that the glass A is uniformly stressed, improve its grinding accuracy, and reduce unnecessary damage to the glass A. The glass A to be polished is slightly larger than the glass stage 211 and the glass pressing table 221, and the difference between the two is greater than the grinding amount of the glass A. Preferably, the outer circumference of the glass stage 211 and the outer circumference of the glass A to be polished The interval between them is 1-2 mm, and the interval between the outer periphery of the glass pressing table 221 and the outer periphery of the glass A to be polished is 1-2 mm. However, the intervals between the positions of the outer periphery of the glass stage 211 and the outer periphery of the glass A need not be exactly the same, as long as they fall within the above range.

The grinding wheel 11 can be driven by any suitable driving mechanism to move in the radial direction of the grinding wheel 11. Preferably, referring to FIGS. 3 and 4, the grinding head unit 1 includes a grinding head seat 13 and a radial motor 16, a radial movement mechanism, a lifting motor and a lifting mechanism provided on the grinding head seat 13, wherein the grinding head seat 13 The radial moving mechanism is installed on the base and moves in the radial direction under the drive of a radial motor 16, and the grinding wheel 11 is installed on the grinding head base 13 through the lifting mechanism and is mounted on the lifting motor Driven to move in the direction of the axis of the grinding wheel 11. The grinding head base 13 moves in the radial direction so that the grinding wheel 11 mounted thereon also moves in the radial direction. The setting of the elevating motor and the elevating mechanism enables the grinding wheel 11 to move up and down along the axis of the grinding wheel to adjust its position along the axis of the grinding wheel 11, to better align the grinding wheel 11 with the glass A, or to make grinding The wheel 11 moves flexibly to other required positions when needed. 3, the direction shown by the single-line arrow in the figure is the lifting movement of the grinding wheel 11 driven by the lifting motor, and the direction shown by the double-line arrow in the figure is the grinding head base 13 driven by the radial motor 16 Movement in the radial direction.

After the grinding wheel 11 is used for a period of time, the working surface of the grinding wheel will be worn, which affects the grinding quality. Preferably, the grinding wheel 11 has a working position for grinding glass and a grinding position for grinding the grinding wheel 11 aligned with the grinding portion 14, the grinding head unit 1 further includes a moving mechanism, and the grinding wheel 11 can be moved by The mechanism (ie, radial motor 16, radial movement mechanism, lifting motor, and lifting mechanism) moves between the working position and the dressing position.

The grinding section 14 is installed on the base, and the grinding wheel 11 can be moved to a grinding position aligned with the grinding section 14 under the drive of the lifting motor and the radial motor 16. The staff can manually control the grinding wheel 11 to move to the grinding position for repair after discovering that the grinding wheel 11 is worn, or set up an automatic repair program, select timing or other appropriate methods to automatically grind the grinding wheel 11 to effectively ensure the grinding quality of glass A .

The structure of the grinding part 14 can be appropriately designed according to actual needs. Referring to FIG. 3, the grinding part 14 includes a grinding stone mounting seat 141 fixedly installed on the base, and a fixed installation on the grinding stone mounting seat 141 Grinding stone 142 and the grinding stone gland 143 that presses the grinding stone 142 against the grinding stone mounting seat 141, and the grinding wheel 11 is moved to a position aligned with the grinding stone 142 by a lifting motor, The radial motor 16 then controls the amount of dressing.

The structure of the radial movement mechanism can be appropriately designed according to actual needs. Preferably, the radial movement mechanism includes a radial guide rail and a radial screw rod extending in the radial direction of the grinding wheel 11 and fitted to the diameter To the radial nut of the screw (not shown in the figure), a radial motor 16 drives the rotation of the radial screw about the axis, and the grinding head base 13 is connected to the radial nut and is in the radial direction Driven by the wire mother, it slides along the radial guide rail, so that the movement of the grinding head base 13 is smooth and precise.

Preferably, the radial guide rail includes a first radial guide rail 171 and a second radial guide rail 172 that are spaced apart to further improve the stability of the grinding head base 13 and make its movement more stable and precise.

The structure of the lifting mechanism can be arbitrarily designed according to actual needs. The lifting mechanism includes a lifting rail and a lifting screw extending along the axis of the grinding wheel 11, and the lifting screw is provided with a lifting screw mother. The elevating motor drives the elevating screw to rotate to move the elevating wire mother, and the driving motor 12 is connected to the elevating wire mother and slides along the elevating guide rail under the driving of the elevating wire mother, thereby driving grinding The wheel 11 moves in the direction of the axis of the grinding wheel 11, so that the grinding wheel 11 moves up and down smoothly and accurately. Referring to FIG. 3, a screw mounting seat 134 is further provided on the grinding head base 13 to facilitate the installation arrangement of the lifting screw.

Further preferably, the lifting guide rail includes a first lifting guide rail 181 and a second lifting guide rail 182 arranged at intervals to further improve the stability of the grinding wheel 11 and make its movement more stable and precise.

Preferably, the grinding head unit 1 includes a driving motor base 15, and the driving motor 12 is mounted on the driving motor base 15, and the driving motor base 15 is fixedly mounted on the lifting wire mother and slidingly mounted on the lifting rail to facilitate the installation of the driving motor 12 .

The structure of the grinding head base 13 can be appropriately designed according to actual needs. The grinding head base 13 includes a lifting support portion 131, a radial support portion 132, and a reinforcing portion 133 connecting the lifting support portion 131 and the radial support portion 132. The radial motor 16 and the radial moving mechanism are arranged on the radial support portion 132, and the lifting motor and the lifting mechanism are arranged on the lifting support portion 131, which facilitates the assembly of various components.

The movement method of the positioning plate 31 can be appropriately selected according to actual needs, for example, manual movement. Preferably, referring to FIGS. 8 and 9, the positioning unit 3 includes a base 32 fixedly mounted on the base and a positioning guide 39 and a driving cylinder 33 mounted on the base 32, and the positioning plate 31 is slidingly mounted on the positioning guide 39 and is driven The cylinder 33 is driven to slide along the guide rail 31 to switch between the positioning position and the avoidance position. It is convenient for the positioning plate 31 to move stably and accurately to position the glass A to be ground more accurately.

Preferably, the positioning surface includes a first positioning surface 381 and a second positioning surface 382 that are perpendicular to each other, and the first positioning surface 381 and the second positioning surface 382 respectively correspond to adjacent two edges of the glass A to be ground, Make the glass A can be positioned along the length and width of the glass A, to ensure that the glass A is positioned in the middle of the glass stage 211 (or other positions if necessary), when the glass A is grinding The amount of grinding in the periphery tends to be as consistent as possible, improving the grinding accuracy of Glass A.

Preferably, the angle between the extending direction of the positioning guide 39 and the first positioning surface 391 is 45 degrees, so that when the positioning plate 31 is in the escape position, the first positioning surface 381 and the second positioning surface 382 and the edge of the glass A The spacing is equal.

Preferably, the positioning plate 31 is detachably mounted on the base 32, so as to replace the appropriate positioning plate 31 in time when the parameters of the shape and size of the glass A to be ground change.

Preferably, the positioning unit 3 includes a scale 36 extending along the positioning guide rail 39, and a pointer 37 corresponding to the scale 36 is formed on the positioning plate 31, so that the position of the glass A can be quickly found when changing the specifications.

Preferably, the positioning unit 3 includes a cylinder mounting seat 34, and the driving cylinder 33 is mounted on the cylinder mounting seat 34, which facilitates the installation of the driving cylinder 33.

Preferably, the positioning unit 3 includes a limit structure 35. During use, the positioning plate 11 can be quickly moved to a desired position to position the glass A, which improves production efficiency and facilitates the use of workers.

Referring to FIGS. 8 and 9, the limiting structure 35 includes a limiting seat 351 fixed relative to the base 32 and a limiting block 352 fixedly mounted on the limiting seat 351, and a positioning plate 31 is formed corresponding to the limiting block 352. The matching block 30 prevents the limiting structure 35 from interfering with the movement of the positioning plate 31. If necessary, the extension length of the limit block 352 can be set to be adjustable to adapt to different sizes of glass A.

The use of the grinding head unit 1, the glass bearing unit 2 and the positioning unit 3 of the above-mentioned glass grinder effectively improves the grinding efficiency and grinding accuracy of the glass A, and the glass grinder is convenient to use and reduces the labor intensity of the workers.

Specifically, when working, the worker only needs to input the parameters (for example, CAD drawing file) of the shape into which the glass A needs to be ground into the numerical control device, and install and debug the paired positioning plate 31 according to the specifications of the glass A, and then Confirm that the rotating electrical machine 213 and the rotating shaft 214 are at the initial working origin position. Then, the driving cylinder 33 is triggered to push the positioning plate 31 forward until the matching block 30 is pushed to the limit block 352, and the positioning plate 31 moves to the positioning position. The worker stacks several pieces of glass A to be ground together with one edge against the first positioning surface 381, and the adjacent other edge against the second positioning surface 382 on the glass stage 211. After the glass A to be ground is put in place, let the driving cylinder 33 drive the positioning plate 31 to the avoidance position, open the pressing cylinder 222, and the pressing bracket 223 slowly falls under the guidance of the bracket guide 27 to lower the glass pressing table 221 Press against the glass A (if the lower surface of the glass pressing table 221 is not aligned with the upper surface of the glass stage 211, it can be manually supported before pressing the glass A). Then start the drive motor 12 (turn on the cooling water if necessary), start the numerical control device, and the numerical control device controls the radial motor 16 and the rotary motor 213 to perform the interpolation movement according to the shape of the glass A needs to be ground until the completion of the glass A Grind. When the glass A needs to be removed after the grinding work is completed, the pressing cylinder 222 is closed, and the glass pressing table 221 can be manually removed after the glass pressing table 221 rises.

If necessary, the above-mentioned glass A polishing step is only a preferred step of the present invention, and other appropriate steps may be used if necessary.

When the grinding wheel 11 needs to be repaired, the driving motor 12 is driven to rotate at a high speed, and the radial motor 16 and the lifting motor are controlled by the hand wheel of the numerical control device, so that the outer surface of the grinding wheel 11 is close to the head of the grinding stone 142 to complete the repair work. It is also possible to set an automatic mode, and after a certain grinding working time is set, it is controlled by an automatic control program to automatically complete the repair work of the grinding wheel 11.

The preferred embodiments of the present invention have been described in detail above with reference to the accompanying drawings, but the present invention is not limited thereto. Within the scope of the technical concept of the present invention, a variety of simple modifications can be made to the technical solution of the present invention, including the combination of specific technical features in any suitable manner. In order to avoid unnecessary repetition, the present invention has various possible combinations No further explanation. However, these simple modifications and combinations should also be regarded as the contents disclosed in the present invention, and all belong to the protection scope of the present invention.

Claims

A glass grinder, characterized in that the glass grinder includes:

A glass bearing unit (2) including a base and a lower bearing part (21) and an upper bearing part (22) mounted on the base, wherein the lower bearing part (21) A glass stage (211) is included, and the upper carrier (22) includes a glass stage (221) corresponding to the glass stage (211), the glass stage (211), and the glass stage (221) Able to rotate synchronously around the first axis of rotation;

A grinding head unit (1), the grinding head unit (1) is mounted on the base, the grinding head unit (1) includes a driving motor (12) and is wound around the first under the driving of the driving motor (12) A grinding wheel (11) that rotates on two rotation axes, the grinding wheel (11) can move in a radial direction of the grinding wheel (11) to approach or move away from the glass stage (211); and

A positioning unit (3), the positioning unit (3) is mounted on the base, the positioning unit (3) includes a positioning plate (31), the positioning plate (31) has a periphery corresponding to the glass to be ground The provided positioning surface, the positioning plate (31) can be switched between a positioning position for positioning the glass (A) to be ground and a avoidance position to avoid interference with the rotation of the glass (A) to be ground.
The glass grinder according to claim 1, characterized in that the lower bearing part (21) includes a rotating electric machine (213) mounted on the base and a winding machine driven by the rotating electric machine (213) A rotating shaft (214) that rotates on the first rotating axis, the glass stage (211) is fixedly mounted on the upper end of the rotating shaft (214), and the upper bearing portion (22) includes a base mounted on the base A compression cylinder (222) and a compression shaft (224) drivingly connected to the movable end of the compression cylinder (222), the compression shaft (224) can be driven by the compression cylinder (222) Lifting and being able to rotate relative to the movable end, the glass pressing table (221) is fixedly installed on the lower end of the pressing shaft (224), the central axis of the rotating shaft (214) and the pressing shaft ( The central axis of 224) coincides with the first axis of rotation.
The glass grinder according to claim 2, characterized in that

The glass bearing unit (2) includes a bracket rail (27) mounted on the base and a pressing bracket (223) slidingly mounted on the bracket rail (27), wherein the pressing bracket (223) ) The upper end is mounted on the movable end, and the lower end of the pressing bracket (223) is mounted on the pressing shaft (224) through a second rolling bearing (225); and / or

The glass carrying unit (2) further includes a first cushion for being disposed between the glass stage (211) and the glass (A) to be ground, and a first cushion for being disposed on the glass pressing table and to be ground The second cushion between the glass (A).
The glass grinder according to claim 1, characterized in that the base comprises a bottom plate (24), a frame (23), a top plate (26) and side plates (25), and the lower bearing portion (21) Installed on the bottom plate (24), the upper bearing portion (22) is mounted on the top plate (26).
The glass grinder according to claim 1, characterized in that the grinding head unit (1) includes a grinding head seat (13) and a radial motor (16), a A moving mechanism, a lifting motor and a lifting mechanism, wherein the grinding head base (13) is mounted on the base via the radial moving mechanism and is driven along the diameter under the drive of the radial motor (16) Moving in the direction, the grinding wheel (11) is mounted on the grinding head seat (13) by the lifting mechanism and moves along the axis direction of the grinding wheel (11) under the drive of the lifting motor.
The glass grinder according to claim 5, characterized in that

The grinding head unit (1) includes a grinding section (14) for grinding the grinding wheel (11), the grinding section (14) is mounted on the base, and the grinding wheel (11) Capable of moving to a grinding position aligned with the grinding section (14) under the drive of the lifting motor and the radial motor (16); and / or

The grinding head base (13) includes a lifting support portion (131), a radial support portion (132), and a reinforcing portion (133) connecting the lifting support portion (131) and the radial support portion (132).
The glass grinder according to claim 1, characterized in that the positioning unit (3) includes a base (32) fixedly mounted on the base and a positioning guide rail (39) mounted on the base (32) And a driving cylinder (33), the positioning plate (31) is slidingly installed on the positioning guide rail (39) and slides along the guide rail (31) under the driving of the driving cylinder (33) to be in the positioning position And the avoidance position.
The glass grinder according to claim 7, characterized in that the positioning surface includes a first positioning surface (381) and a second positioning surface (382) perpendicular to each other, and the first positioning surface (381) and all The second positioning surfaces (382) respectively correspond to the two adjacent edges of the glass (A) to be ground.
The glass grinder according to claim 8, characterized in that

The angle between the extending direction of the positioning guide (39) and the first positioning surface (381) is 45 degrees; and / or

The positioning plate (31) is detachably mounted on the base (32).
The glass grinder according to claim 7, characterized in that

The positioning unit (3) includes a scale (36) extending along the positioning rail (39), and a pointer (37) corresponding to the scale (36) is formed on the positioning plate (31); and / or

The positioning unit (3) includes a limit structure (35), the limit structure (35) includes a limit seat (351) fixedly installed on the base and a fixed seat (351) fixedly installed on the base A limiting block (352), and a matching block (30) arranged corresponding to the limiting block (352) is formed on the positioning plate (31).