CN111360680A

CN111360680A - Novel AG glass polishing equipment

Info

Publication number: CN111360680A
Application number: CN201811593333.4A
Authority: CN
Inventors: 张华林; 李小军; 光宣标; 王果
Original assignee: Shenzhen Sanxin Jmt Glass Co ltd
Current assignee: Shenzhen Sanxin Jmt Glass Co ltd
Priority date: 2018-12-25
Filing date: 2018-12-25
Publication date: 2020-07-03

Abstract

The invention discloses novel AG glass polishing equipment which comprises a rack, wherein a conveying mechanism used for conveying glass workpieces is arranged on the rack, a support frame is fixed on the rack, a lifting frame is arranged on the support frame, a lifting driving mechanism is arranged on the support frame, a translation support is arranged on the lifting frame, a translation driving mechanism used for driving the translation support to translate in a reciprocating mode is arranged on the lifting frame, a plurality of polishing wheels are arranged at the bottom of the translation support, the polishing wheels face the glass workpieces, a polishing driving mechanism used for driving the polishing wheels to rotate is arranged on the translation support, the lifting driving mechanism is used for driving the polishing wheels to be close to the glass workpieces, the translation driving mechanism is used for driving the polishing wheels to translate in a reciprocating mode along the surfaces of the glass workpieces, and the polishing driving mechanism is used for. The polishing part of the invention can be lifted, is convenient for cleaning and maintenance, and can swing and polish according to a set frequency, thereby improving the processing quality and the performance of the whole machine.

Description

Novel AG glass polishing equipment

Technical Field

The invention relates to a glass processing machine, in particular to novel AG glass polishing equipment.

Background

AG glass polishing belongs to the technical field of glass cold processing, and refers to that the surface of a finely ground workpiece is further processed on a polishing die by polishing solution to achieve the surface smoothness, surface shape degree, parallelism and the like required by a drawing. The trace left by fine grinding is removed in the polishing process, and the grinding size can not be less than 0.007mm in general; the cleaning is to remove polishing powder and glass scraps on the surface of a workpiece in proportion after polishing is finished, so as to ensure that stains, dust, fingerprints, roller marks and the like are not left on the surface of the workpiece. With the progress of glass processing technology, although some glass plane polishing cleaners appear in the prior art, the following defects still exist in the equipment:

firstly, the polishing wheel carrier unit is manually pulled and turned by wheels, which is still inconvenient for cleaning and maintaining the wheel carrier; secondly, the left and right deflection frequency of the polishing wheel is a fixed numerical value and cannot be freely adjusted; thirdly, the control system still adopts the traditional key control mode; in addition, the weight of the whole machine is large, and certain restrictions exist on the disassembly and the transportation of the equipment.

Disclosure of Invention

The technical problem to be solved by the invention is to provide a novel AG glass polishing device which can lift a polishing part, is convenient to clean and maintain, and can swing and polish according to a set frequency so as to improve the processing quality and the performance of the whole machine.

In order to solve the technical problems, the invention adopts the following technical scheme.

A novel AG glass polishing device comprises a frame, wherein a conveying mechanism used for conveying glass workpieces is arranged on the frame, a support frame is fixed on the frame, the support frame is arranged on two sides of the frame in a spanning manner, a lifting frame and a sliding connection are arranged on the support frame, a lifting driving mechanism used for driving the lifting frame to ascend or descend is arranged on the support frame, a translation support and a sliding connection are arranged on the lifting frame, a translation driving mechanism used for driving the translation support to perform reciprocating translation is arranged on the lifting frame, a plurality of polishing wheels are arranged at the bottom of the translation support, the polishing wheels face the glass workpieces, a polishing driving mechanism used for driving the polishing wheels to rotate is arranged on the translation support, the lifting driving mechanism is used for driving the polishing wheels to be close to the glass workpieces, and the translation driving mechanism is used for driving the polishing wheels to perform reciprocating translation along the surfaces of the glass workpieces, the polishing driving mechanism is used for driving the polishing wheel to polish the surface of the glass workpiece.

Preferably, be equipped with 4 vertical slide rails on the support frame, the four corners department of crane is equipped with vertical slider respectively, vertical slider card is located on the vertical slide rail and the two sliding connection, be fixed with two vertical arms on the support frame, be equipped with the connecting axle between two vertical arms, lift actuating mechanism is including locating the lift driving motor on vertical arm top, lift driving motor is used for ordering about the connecting axle is rotatory, be equipped with gliding lift tray from top to bottom on the vertical arm, the crane with lift tray fixed connection, the connecting axle with through locating between the lift tray silk pole drive mechanism in the vertical arm, chain drive mechanism or belt drive mechanism are connected, through control lift driving motor is positive and negative and orders about the crane rises or descends.

Preferably, be equipped with a plurality of horizontal slide rails on the crane, be equipped with a plurality of translation sliders on the translation support, translation slider with horizontal slide rail one-to-one aligns, translation slider card is located on the horizontal slide rail and the two sliding connection, translation actuating mechanism is including being fixed in translation driving motor on the crane, be fixed with the horizontal arm on the crane, be equipped with horizontal tray on the horizontal arm, horizontal tray with translation support fixed connection, horizontal tray with be fixed in through locating between the translation driving motor lead screw drive mechanism, chain drive mechanism or belt drive mechanism in the horizontal arm are connected, through control translation driving motor forward and backward turn orders about the reciprocal translation of translation support.

Preferably, a plurality of wheel seats are arranged on the translation support, a wheel shaft penetrates through the wheel seats, the polishing wheel is fixed at the bottom of the wheel shaft, a belt pulley used for driving the wheel shaft to rotate is arranged at the top of the wheel seat, the polishing driving mechanism comprises a polishing driving motor fixed on the translation support, an output wheel of the polishing driving motor is connected with the belt pulley through a belt, and the polishing driving motor drives the polishing wheel to polish the glass workpiece.

Preferably, a shaft sleeve is arranged in the wheel seat, the belt pulley is sleeved on the shaft sleeve, the upper end of the wheel shaft is inserted in the shaft sleeve, a spring is sleeved on the wheel shaft and abutted between the shaft sleeve and the wheel shaft, and downward elastic force is applied to the wheel shaft by the spring so that the polishing wheel is abutted against the glass workpiece.

Preferably, a limiting rod is fixed to the top of the axle, the top end of the limiting rod penetrates through the axle sleeve, an inner step portion is formed on the inner wall of the axle sleeve, an outer step portion is formed on the axle, the inner step portion is aligned with the outer step portion, a preset distance exists between the inner step portion and the outer step portion, an adjusting nut is screwed on the limiting rod and abuts against the top end of the axle sleeve, the distance between the inner step portion and the outer step portion is adjusted by screwing the adjusting nut, and then the telescopic stroke of the axle is adjusted.

Preferably, the translation support is provided with two rows of wheel seats distributed in a staggered manner, the belt is a double-sided toothed belt, and the belt is wound between the output wheel of the polishing driving motor and the belt wheel in an S shape.

Preferably, a spray gun for spraying a rare earth powder solution to the glass workpiece is arranged on the translation bracket, and the spray gun is arranged adjacent to the polishing wheel.

Preferably, a box body is fixed on the machine frame, and the support frame and the lifting frame are both positioned in the box body.

Preferably, transport mechanism is including a plurality of transport roller set's that set up side by side, at least a set of brush roller set spare and a set of isolation air knife subassembly, brush roller set spare and isolation air knife subassembly wear to insert and locate between a plurality of transport roller set spares, the transport roller subassembly is including relative last conveying roller and the lower transport roller that sets up, and glass work piece is in transmission between last conveying roller and the lower transport roller, brush roller set spare is including relative last brush roller and the lower brush roller that sets up, the top of going up the brush roller is equipped with the mechanism that sprays that is used for the water spray, isolation air knife subassembly is including two relative last isolation air knives and the lower isolation air knife that sets up.

In the novel AG glass polishing device disclosed by the invention, the polishing wheel can be driven to automatically feed towards the direction of the glass workpiece under the action of the lifting driving mechanism, the polishing wheel can be driven to polish the surface of the glass workpiece under the action of the polishing driving mechanism, and the polishing wheel can be driven to reciprocate and translate along the surface of the glass workpiece under the driving action of the translation driving mechanism, so that a polishing area is covered. Based on the principle, the polishing machine has the automatic shifting and polishing capabilities, the performance and the processing quality of the whole machine are greatly improved, and meanwhile, the lifting driving mechanism can drive the polishing wheel to move upwards for a certain distance.

Drawings

FIG. 1 is a perspective view of the AG glass polishing apparatus of the present invention;

FIG. 2 is an internal structure view of the support frame;

FIG. 3 is a block diagram of the vertical arm and the connecting shaft;

FIG. 4 is a perspective view of the crane part;

FIG. 5 is a cross-sectional view of FIG. 4;

FIG. 6 is a bottom structure view of the crane;

FIG. 7 is a block diagram of the wheel base, wheel axle and polishing wheel after assembly;

FIG. 8 is a perspective view of the wheel shaft and polishing wheel;

FIG. 9 is a cross-sectional view of the hub and polishing wheel;

FIG. 10 is a block diagram of the belt, output pulley and pulley;

FIG. 11 is a cross-sectional view of the conveyor roller assembly, brush roller assembly and isolation blower assembly.

Detailed Description

The invention is described in more detail below with reference to the figures and examples.

The invention discloses novel AG glass polishing equipment, which is shown by combining figures 1 to 11 and comprises a rack 1, wherein a conveying mechanism 2 for conveying glass workpieces 100 is arranged on the rack 1, a support frame 3 is fixed on the rack 1, the support frame 3 is arranged on two sides of the rack 1 in a spanning manner, a lifting frame 4 is arranged on the support frame 3 and is in sliding connection with the lifting frame 4, a lifting driving mechanism 5 for driving the lifting frame 4 to ascend or descend is arranged on the support frame 3, a translation bracket 6 is arranged on the lifting frame 4 and is in sliding connection with the translation bracket 4, a translation driving mechanism 7 for driving the translation bracket 6 to translate back and forth is arranged on the lifting frame 4, a plurality of polishing wheels 60 are arranged at the bottom of the translation bracket 6, the polishing wheels 60 face the glass workpieces 100, a polishing driving mechanism 8 for driving the polishing wheels 60 to rotate is arranged on the translation bracket 6, the lifting driving mechanism 5 is configured to drive the polishing wheel 60 to approach the glass workpiece 100, the translation driving mechanism 7 is configured to drive the polishing wheel 60 to translate back and forth along the surface of the glass workpiece 100, and the polishing driving mechanism 8 is configured to drive the polishing wheel 60 to polish the surface of the glass workpiece 100.

In the above apparatus, the polishing wheel 60 can be driven to automatically feed toward the glass workpiece 100 under the action of the lifting driving mechanism 5, the polishing wheel 60 can be driven to polish the surface of the glass workpiece 100 under the action of the polishing driving mechanism 8, and the polishing wheel 60 can be driven to reciprocate along the surface of the glass workpiece 100 to cover the polishing area by matching with the driving action of the translation driving mechanism 7. Based on the principle, the polishing machine has the automatic shifting and polishing capabilities, the performance and the processing quality of the whole machine are greatly improved, and meanwhile, the lifting driving mechanism 5 can drive the polishing wheel 60 to move upwards for a certain distance, so that compared with the prior art, the polishing machine greatly improves the convenience of cleaning and maintenance work, and better meets the application requirements.

Regarding the concrete structure of the lifting part, in this embodiment, 4 vertical slide rails 30 are arranged on the support frame 3, vertical slide blocks 40 are respectively arranged at four corners of the lifting frame 4, the vertical slide blocks 40 are clamped on the vertical slide rails 30 and are in sliding connection with the vertical slide rails 30, two vertical arms 31 are fixed on the support frame 3, a connecting shaft 32 is arranged between the two vertical arms 31, the lifting driving mechanism 5 comprises a lifting driving motor 33 arranged at the top end of the vertical arm 31, the lifting driving motor 33 is used for driving the connecting shaft 32 to rotate, a lifting support block 34 capable of sliding up and down is arranged on the vertical arm 31, the lifting frame 4 is fixedly connected with the lifting support block 34, the connecting shaft 32 is connected with the lifting support block 34 through a screw rod transmission mechanism, a chain transmission mechanism or a belt transmission mechanism arranged in the vertical arm 31, the lifting frame 4 is driven to ascend or descend by controlling the lifting driving motor 33 to rotate forwards and backwards. The lifting mechanism is simple in structure and easy to realize, and can simplify the structure of the equipment and reduce the weight of the equipment on the basis of realizing lifting driving.

In order to realize horizontal movement, in the embodiment, the lifting frame 4 is provided with a plurality of horizontal sliding rails 41, a plurality of translation sliding blocks 61 are arranged on the translation bracket 6, the translation sliding blocks 61 are aligned with the horizontal sliding rails 41 one by one, the translation sliding block 61 is clamped on the horizontal sliding rail 41 and is connected with the horizontal sliding rail 41 in a sliding way, the translation driving mechanism 7 comprises a translation driving motor 70 fixed on the lifting frame 4, a horizontal arm 71 is fixed on the lifting frame 4, a horizontal supporting block 72 is arranged on the horizontal arm 71, the horizontal supporting block 72 is fixedly connected with the translation bracket 6, the horizontal supporting block 72 is connected with the translation driving motor 70 through a screw rod transmission mechanism, a chain transmission mechanism or a belt transmission mechanism arranged in the horizontal arm 71, the translation bracket 6 is driven to translate back and forth by controlling the translation driving motor 70 to rotate forwards and backwards.

As a preferable mode, a plurality of wheel seats 62 are arranged on the translation bracket 6, a wheel shaft 63 penetrates through the wheel seats 62, the polishing wheel 60 is fixed at the bottom of the wheel shaft 63, a belt pulley 64 for driving the wheel shaft 63 to rotate is arranged at the top of the wheel seats 62, the polishing driving mechanism 8 comprises a polishing driving motor 80 fixed on the translation bracket 6, an output wheel 800 of the polishing driving motor 80 is connected with the belt pulley 64 through a belt 801, and the polishing wheel 60 is driven by the polishing driving motor 80 to polish the glass workpiece 100. The invention preferably adopts the belt and the belt pulley for linkage, has stable and reliable structure, easy realization and low cost.

Further, a sleeve 65 is disposed in the wheel seat 62, the belt pulley 64 is sleeved on the sleeve 65, the upper end of the wheel shaft 63 is inserted into the sleeve 65, a spring 66 is sleeved on the wheel shaft 63, the spring 66 abuts between the sleeve 65 and the wheel shaft 63, and the spring 66 applies a downward elastic force to the wheel shaft 63 so that the polishing wheel 60 abuts against the glass workpiece 100. The above structure can make the polishing wheel 60 perform an elastic buffering function when contacting the glass, thereby avoiding the glass damage caused by rigid contact.

In this embodiment, a limit rod 67 is fixed to the top of the axle 63, the top end of the limit rod 67 passes through the axle sleeve 65, an inner step 650 is formed on the inner wall of the axle sleeve 65, an outer step 630 is formed on the axle 63, the inner step 650 is aligned with the outer step 630, a preset distance exists between the inner step 650 and the outer step 630, an adjusting nut 68 is screwed on the limit rod 67, the adjusting nut 68 abuts against the top end of the axle sleeve 65, and the distance between the inner step 650 and the outer step 630 is adjusted by screwing the adjusting nut 68, so as to adjust the telescopic stroke of the axle 63. Wherein, the buffer formation of the polishing wheel can be adjusted through the adjusting nut 68, and further, the polishing wheel is suitable for various application occasions.

As a preferable mode, two rows of wheel seats 62 distributed in a staggered manner are arranged on the translation bracket 6, the belt 801 is a double-sided toothed belt, and the belt 801 is wound between the output wheel 800 of the polishing driving motor 80 and the belt pulley 64 in an S-shape. The structure can make the linkage relationship more compact and reliable.

In order to improve the polishing effect, in this embodiment, a spray gun 69 for spraying a rare earth powder solution to the glass workpiece 100 is disposed on the translation bracket 6, and the spray gun 69 is disposed adjacent to the polishing wheel 60.

As a preferable mode, a box body 9 is fixed on the machine frame 1, and the support frame 3 and the lifting frame 4 are both positioned in the box body 9.

The present embodiment further includes a cleaning mechanism, specifically, the conveying mechanism 2 includes a plurality of side by side conveying roller assemblies, at least one set of brush roller assemblies and a set of isolation air knife assemblies, the brush roller assemblies and the isolation air knife assemblies are inserted between the plurality of conveying roller assemblies, the conveying roller assemblies include an upper conveying roller 20 and a lower conveying roller 21 which are oppositely arranged, and the glass workpiece 100 is conveyed between the upper conveying roller 20 and the lower conveying roller 21, the brush roller assemblies include an upper brush roller 22 and a lower brush roller 23 which are oppositely arranged, a spraying mechanism 24 for spraying water is arranged above the upper brush roller 22, and the isolation air knife assemblies include an upper isolation air knife 25 and a lower isolation air knife 26 which are oppositely arranged. Under the action of the structure, the dust on the surface of the glass can be effectively removed.

The structure and the function of the novel AG glass polishing equipment in practical application can be expanded into the following embodiments:

firstly, the AG glass polishing equipment has a machine body with the total length of 2.20 meters, the width of 1.65 meters and the height of 2.12 meters, comprises a conveying shaft, a polishing mechanism, an intelligent lifting mechanism, an intelligent control system, a polishing solution and glass debris collecting device, a two-fluid washing mechanism, an air knife isolating system, a brush scrubbing mechanism and the like, and is horizontally arranged. The polishing mechanism is 0.55 meter away from the feeding port. Two rows of 11 polishing wheels which are staggered front and back are arranged on the polishing mechanism, and the polishing wheels are used for conveying and transmitting power through a speed reducing motor and a double-sided tooth synchronous belt.

Furthermore, 11 polishing wheels are divided into two rows which are distributed in a staggered mode according to the number of 5 polishing wheels and 6 polishing wheels, two adjacent polishing wheels are driven by a double-sided tooth synchronous belt to rotate in opposite directions, and polishing operation is achieved by driving the swing motor and the guide rail to move back and forth left and right. The polishing wheel carrier is additionally arranged on a lifting frame with 4 guide rails. Go up and down to adopt sharp module intelligent control, can adjust polishing wheel pressure and polishing frame height of going up and down at will, make things convenient for polishing operation and daily cleanness and maintenance. The polishing wheel shaft consists of a large shaft sleeve, a small shaft sleeve, a pressing spring and an adjusting screw, and the mechanism of each polishing wheel is designed to be capable of independently and automatically adjusting the feeding pressure. In the polishing wheel shaft, the big shaft sleeve and the small shaft sleeve are mutually embedded in a fit clearance of 0.01mm, the compression spring is arranged between the two big shaft sleeves, the adjusting screw is positively screwed into the top end of the small shaft at a tooth pitch of 0.5mm, the nut is pressed to the top end of the big shaft, the length of the wheel shaft can be changed by screwing the small shaft screw, the polishing pressure of the polishing wheel can be adjusted by screwing the big shaft nut, and the single shaft can be adjusted up and down and automatically compressed.

In this embodiment, the linear module servo motor has a braking function, so that the polishing wheel carrier can be prevented from falling out of control due to sudden power failure. The anti-collision buffer piece is further mounted at the lifting position, and the safety factor of the polishing wheel carrier in the lifting process is increased.

And furthermore, the deflection of the polishing wheel is controlled by an intelligent system, so that the deflection frequency can be freely set according to specific production conditions. The control system adopts a PLC touch screen, and man-machine conversation is realized.

In the embodiment, the aluminum alloy section is adopted as the material of the whole machine to replace the original stainless steel frame, so that the material cost is saved, the weight of the whole machine is reduced, and the firmness of the frame is improved. The lifting system adopts a protection mode of locking and controlling the door opening on four sides, and consumable parts can be cleaned, overhauled and replaced from different directions during maintenance and overhaul. The size of the whole machine adopts a design method according to local conditions, can be adjusted according to the field and the production condition, and can be long or short.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents or improvements made within the technical scope of the present invention should be included in the scope of the present invention.

Claims

1. The utility model provides a novel AG glass polishing equipment, which is characterized in that, including frame (1), be equipped with transport mechanism (2) that are used for transmitting glass work piece (100) on frame (1), be fixed with support frame (3) on frame (1), support frame (3) are striden and are located the both sides of frame (1), be equipped with crane (4) and two sliding connection on support frame (3), install on support frame (3) and be used for driving crane (4) rise or decline lift actuating mechanism (5), be equipped with translation support (6) and two sliding connection on crane (4), install on crane (4) and be used for driving translation actuating mechanism (7) of translation support (6) reciprocating translation, the bottom of translation support (6) is equipped with a plurality of throwing aureoles (60), throwing aureola (60) are towards glass work piece (100), the polishing device is characterized in that a polishing driving mechanism (8) used for driving the polishing wheel (60) to rotate is installed on the translation support (6), the lifting driving mechanism (5) is used for driving the polishing wheel (60) to be close to the glass workpiece (100), the translation driving mechanism (7) is used for driving the polishing wheel (60) to reciprocate and translate along the surface of the glass workpiece (100), and the polishing driving mechanism (8) is used for driving the polishing wheel (60) to polish the surface of the glass workpiece (100).

2. The novel AG glass polishing device as claimed in claim 1, wherein 4 vertical sliding rails (30) are arranged on the support frame (3), vertical sliding blocks (40) are respectively arranged at four corners of the lifting frame (4), the vertical sliding blocks (40) are clamped on the vertical sliding rails (30) and are in sliding connection with the vertical sliding rails (30), two vertical arms (31) are fixed on the support frame (3), a connecting shaft (32) is arranged between the two vertical arms (31), the lifting driving mechanism (5) comprises a lifting driving motor (33) arranged at the top end of the vertical arm (31), the lifting driving motor (33) is used for driving the connecting shaft (32) to rotate, a lifting support block (34) capable of sliding up and down is arranged on the vertical arm (31), the lifting frame (4) is fixedly connected with the lifting support block (34), and a screw rod arranged in the vertical arm (31) is arranged between the connecting shaft (32) and the lifting support block (34) The transmission mechanism, the chain transmission mechanism or the belt transmission mechanism are connected, and the lifting frame (4) is driven to ascend or descend by controlling the forward and reverse rotation of the lifting driving motor (33).

3. A novel AG glass polishing apparatus according to claim 1, wherein a plurality of horizontal slide rails (41) are provided on the lifting frame (4), a plurality of translation sliders (61) are provided on the translation support (6), the translation sliders (61) are aligned with the horizontal slide rails (41) one by one, the translation sliders (61) are clamped on the horizontal slide rails (41) and are slidably connected to each other, the translation driving mechanism (7) includes a translation driving motor (70) fixed on the lifting frame (4), a horizontal arm (71) is fixed on the lifting frame (4), a horizontal support block (72) is provided on the horizontal arm (71), the horizontal support block (72) is fixedly connected to the translation support (6), and a screw rod transmission mechanism provided in the horizontal arm (71) is provided between the horizontal support block (72) and the translation driving motor (70), The chain transmission mechanism or the belt transmission mechanism is connected, and the translation driving motor (70) is controlled to rotate forwards and backwards to drive the translation bracket (6) to translate in a reciprocating manner.

4. A novel AG glass polishing apparatus according to claim 1, wherein a plurality of wheel seats (62) are provided on the translation support (6), a wheel shaft (63) penetrates through the wheel seats (62), the polishing wheel (60) is fixed at the bottom of the wheel shaft (63), a belt pulley (64) for driving the wheel shaft (63) to rotate is provided at the top of the wheel seats (62), the polishing driving mechanism (8) comprises a polishing driving motor (80) fixed on the translation support (6), an output wheel (800) of the polishing driving motor (80) is connected with the belt pulley (64) through a belt (801), and the polishing wheel (60) is driven by the polishing driving motor (80) to polish the glass workpiece (100).

5. A novel AG glass polishing device as claimed in claim 4, wherein a shaft sleeve (65) is arranged in the wheel seat (62), the belt pulley (64) is sleeved on the shaft sleeve (65), the upper end of the wheel shaft (63) is inserted in the shaft sleeve (65), a spring (66) is sleeved on the wheel shaft (63), the spring (66) abuts between the shaft sleeve (65) and the wheel shaft (63), and downward elastic force is applied to the wheel shaft (63) by the spring (66) so as to enable the polishing wheel (60) to abut against the glass workpiece (100).

6. A novel AG glass polishing device as claimed in claim 5, wherein a stopper rod (67) is fixed on the top of the axle (63), the top end of the stopper rod (67) passes through the axle sleeve (65), an inner step portion (650) is formed on the inner wall of the axle sleeve (65), an outer step portion (630) is formed on the axle (63), the inner step portion (650) is aligned with the outer step portion (630) and has a preset distance therebetween, an adjusting nut (68) is screwed on the stopper rod (67), the adjusting nut (68) abuts against the top end of the axle sleeve (65), and the distance between the inner step portion (650) and the outer step portion (630) is adjusted by screwing the adjusting nut (68), so as to adjust the telescopic stroke of the axle (63).

7. A novel AG glass polishing device according to claim 5, characterized in that the translation bracket (6) is provided with two rows of staggered wheel seats (62), the belt (801) is a double-sided toothed belt, and the belt (801) is wound between the output wheel (800) of the polishing driving motor (80) and the belt pulley (64) in an S shape.

8. A novel AG glass polishing device according to claim 5, characterized in that the translation bracket (6) is provided with a spray gun (69) for spraying rare earth powder solution to the glass workpiece (100), and the spray gun (69) is arranged adjacent to the polishing wheel (60).

9. A novel AG glass polishing device according to claim 1, characterized in that a box body (9) is fixed on the machine frame (1), and the supporting frame (3) and the lifting frame (4) are both positioned in the box body (9).

10. A novel AG glass polishing device according to claim 1, wherein the conveying mechanism (2) comprises a plurality of side-by-side conveying roller assemblies, at least one group of hairbrush roller assemblies and a group of isolation air knife assemblies, the hairbrush roller assemblies and the isolation air knife assemblies are inserted between the plurality of conveying roller assemblies, the conveying roller assemblies comprise upper conveying rollers (20) and lower conveying rollers (21) which are oppositely arranged, the glass workpieces (100) are conveyed between the upper conveying rollers (20) and the lower conveying rollers (21), the hairbrush roller assemblies comprise upper hairbrush rollers (22) and lower hairbrush rollers (23) which are oppositely arranged, a spraying mechanism (24) for spraying water is arranged above the upper hairbrush rollers (22), and the isolation air knife assemblies comprise two upper isolation air knives (25) and lower isolation air knives (26) which are oppositely arranged.