CN219170577U - Clamping mechanism of polisher - Google Patents

Abstract

The utility model discloses a clamping mechanism of a grinding machine, which comprises a bracket, a roller driving assembly, a clamp assembly, a cover plate cylinder, a discharging assembly and a pressing assembly, wherein the bracket is provided with a left support arm and a right support arm, the roller is arranged between the left support arm and the right support arm, the roller driving assembly is arranged on the left support arm and connected with a roller shaft, the discharging assembly is arranged on the left support arm or the right support arm and positioned above the roller driving assembly, the clamp assembly is arranged on the outer surface of the roller, the pressing assembly and the cover plate cylinder are both arranged in the roller, two ends of the pressing assembly are respectively connected with two ends of the clamp assembly, the cover plate cylinder penetrates through the roller and is fixedly connected with the cover plate assembly, and the cover plate assembly is clamped on one side of the clamp assembly and moves up and down along the clamp assembly. The utility model has novel and unique structural design, has the advantages of single grinding of multiple groups of workpieces and increasing the clamping quantity, and greatly improves the grinding and processing efficiency.

Description

Clamping mechanism of polisher

Technical Field

The utility model relates to the technical field of machining, in particular to a clamping mechanism of a grinding machine.

Background

During polishing, a workpiece needs to be clamped by a clamping mechanism for polishing. Patent application number: 202021243801.8 the patent name discloses a polisher, including feeding mechanism, feeding mechanism set up in the frame main part, feeding mechanism is used for transporting the work piece of being processed to polishing unit department polishes, feeding mechanism is including pressing from both sides tight fixing base and drive assembly, presss from both sides tight fixing base setting on drive assembly, presss from both sides tight fixing base and is used for fixed work piece of being processed, and drive assembly is used for transporting the clamp fixing base to polishing unit department. However, in the patent, only one clamping fixing seat is arranged for clamping a workpiece, so that the processing efficiency is low. Therefore, a clamping mechanism of a polishing machine needs to be developed, the clamping quantity of the clamping mechanism to workpieces is improved through novel and unique structural design, and polishing machining efficiency is improved.

Disclosure of Invention

The utility model aims to provide a clamping mechanism of a grinding machine.

According to one aspect of the utility model, there is provided a clamping mechanism for a grinding machine, comprising a bracket, a roller driving assembly, a clamp assembly, a cover plate cylinder, a discharging assembly and a pressing assembly, wherein the bracket is provided with a left support arm and a right support arm, the roller is arranged between the left support arm and the right support arm, the roller driving assembly is arranged on the left support arm and connected with a roller shaft, the discharging assembly is arranged on the left support arm or the right support arm and positioned above the roller driving assembly, the clamp assembly is arranged on the outer surface of the roller, the pressing assembly and the cover plate cylinder are arranged in the roller, two ends of the pressing assembly are respectively connected with two ends of the clamp assembly, the cover plate cylinder penetrates through the roller and is fixedly connected with the cover plate assembly, and the cover plate assembly is clamped on one side of the clamp assembly and moves up and down along the clamp assembly.

In some embodiments, the cylinder is equipped with cylinder lateral wall, cylinder left end board and cylinder right end board, and the swage subassembly includes swage cylinder, the shaft coupling, the depression bar, left push pedal, right push pedal and guiding axle, swage cylinder, the shaft coupling, the depression bar, left push pedal and right push pedal are all installed in the cylinder, the guiding axle includes left guiding axle and right guiding axle, left guiding axle passes cylinder left end board, make clamp assembly's left end and left push pedal connect, right guiding axle passes cylinder right end board, make clamp assembly's right-hand member and right push pedal connect, left push pedal, swage cylinder, the shaft coupling, depression bar and right push pedal connect gradually from left to right.

In some embodiments, the cover plate assembly comprises a cover plate mounting piece, a cover plate, a floating block, a hanging column, a pressure spring, a first rotary tension spring and a cover plate guide post, wherein the cover plate mounting piece is mounted outside the side wall of the roller, the cover plate guide post stretches into the side wall of the roller and is connected with the bottom bolt of the cover plate mounting piece, the cover plate mounting piece is provided with a first through hole, the bottom end of the side wall of the first through hole is provided with a hole groove, the pressure spring is clamped at the bottom of the first through hole, the floating block is located above the pressure spring, the hanging column is vertically connected with the floating block, one end of the floating block stretches out of the hole groove, the output end of the cover plate cylinder penetrates through the side wall of the roller and is connected with the bottom of the cover plate mounting piece, the cover plate is connected with the top shaft of the cover plate mounting piece, the cover plate is provided with a cover plate rotating shaft, and the first rotary tension spring is connected with the cover plate rotating shaft and the cover plate mounting piece.

In some embodiments, the fixture component comprises a first clamping piece, a second rotary tension spring, a left limiting component and a right limiting component, wherein the first clamping piece and the second clamping piece are fixedly arranged on a left end plate and a right end plate of the roller and are connected through the second rotary tension spring, a limiting waist hole is formed in the outer side of the first clamping piece and the outer side of the second clamping piece, the position of the limiting waist hole corresponds to the position of the floating block and the position of the hanging column, one end of the hanging column is clamped in the limiting waist hole and moves up and down along the limiting waist hole, the left limiting component and the right limiting component are respectively connected with the left end plate and the right end plate of the first clamping piece, and the left limiting component and the right limiting component are identical in structure.

In some embodiments, the left limiting component comprises a swing arm, a Z-shaped limiting component, a guide pillar and a connecting component, wherein the swing arm and the connecting component are both positioned on the outer side of the left end plate of the roller, one end of the left guide shaft penetrates through the swing arm and is connected with the connecting component, the first clamping piece is provided with a clamping piece rotating shaft, the clamping piece rotating shaft is connected with the swing arm, the swing arm is provided with a taper hole and a guide pillar through hole, the taper hole corresponds to the position of the discharging component, one end of the guide pillar is connected with the connecting component, the other end corresponds to the position of the guide pillar through hole, and the Z-shaped limiting component is installed at the top end of the connecting component.

In some embodiments, the roller driving assembly comprises a roller driving cylinder, a bearing and a rotating shaft, wherein the roller driving cylinder is arranged on the left support arm, the output end of the roller driving cylinder penetrates through the left support arm and is rotationally connected with the left end plate of the roller through the bearing, one end of the rotating shaft is fixedly connected with the right end plate of the roller, and the other end of the rotating shaft is rotationally connected with the right support arm.

In some embodiments, the discharging assembly comprises a discharging cylinder, a discharging cylinder seat and a conical head rod, wherein the discharging cylinder seat is arranged on the left support arm or the right support arm, the discharging cylinder is arranged on the discharging cylinder seat, the output end of the discharging cylinder penetrates through the discharging cylinder seat and is connected with one end shaft of the conical head rod, the other end of the conical head rod penetrates through the left support arm or the right support arm, and the top end of the conical head rod is conical and corresponds to the position of the conical hole.

In some embodiments, the two unloading assemblies are identical in structure and are bilaterally symmetrical, and are respectively arranged on the left support arm and the right support arm.

In some embodiments, the plurality of clamp assemblies are uniformly distributed on the side wall of the roller, and the included angles between two adjacent clamp assemblies are the same.

In some embodiments, the plurality of cover plate assemblies are provided, the plurality of cover plate cylinders are provided, the plurality of cover plate assemblies are connected with the plurality of clamp assemblies in one-to-one correspondence, and the plurality of cover plate cylinders are connected with the plurality of cover plate assemblies in one-to-one correspondence.

The utility model has the beneficial effects that: the utility model has novel and unique structural design, and improves the number of clamping workpieces processed at a time by arranging a plurality of clamp assemblies on the roller; the discharging assembly is arranged, the conical head rod is used for driving the rocker arm to rotate, and then the first clamping piece is pulled open, so that a gap between the first clamping piece and the second clamping piece is enlarged, and a workpiece can be conveniently put in or taken out; the pressing assembly is arranged, the left limiting assembly and the right limiting assembly are driven to move, the placed workpiece is compacted, left and right limiting is carried out, and the function of fixing and limiting the virtual position of the clamp assembly is achieved; set up apron subassembly and apron cylinder, the apron cylinder drives apron subassembly and reciprocates along anchor clamps subassembly, exposes or covers the work piece according to the processing needs, and the work piece processing of being convenient for avoids dropping when the work piece is rotatory along with the cylinder simultaneously, has the advantage of single multiunit work piece of polishing, improvement clamp material quantity, has improved the machining efficiency of polishing greatly.

Drawings

Fig. 1 is an exploded view of a clamping mechanism of a sander according to one embodiment of the present utility model.

Fig. 2 is a schematic structural view of a clamping mechanism of a polishing machine according to an embodiment of the present utility model.

Fig. 3 is a schematic structural view of a clamp assembly and a swage assembly of a clamping mechanism of a grinding machine according to an embodiment of the present utility model.

Fig. 4 is an exploded view of a clamp assembly of a clamp mechanism of a sander in accordance with one embodiment of the present utility model.

Fig. 5 is a left side exploded view of a clamp assembly of a clamp mechanism of a sander in accordance with one embodiment of the present utility model.

Fig. 6 is a left side view of a clamping assembly, cover assembly, and roller of a clamping mechanism of a sander in accordance with one embodiment of the present utility model.

Fig. 7 is a schematic structural view of a cover plate assembly and a cover plate cylinder of a clamping mechanism of a polishing machine according to an embodiment of the present utility model.

Fig. 8 is a left side view of a cover plate assembly of a clamping mechanism of a sander in accordance with one embodiment of the present utility model.

Fig. 9 is a schematic structural view of a clamping mechanism of a polishing machine according to another embodiment of the present utility model.

Fig. 10 is a right side view of a clamping mechanism of a sander according to another embodiment of the present utility model.

Detailed Description

The present utility model will be described in further detail with reference to examples.

Example 1

Referring to fig. 1 to 8, the utility model provides a clamping mechanism of a grinding machine, which comprises a bracket 1, a roller 2, a roller driving assembly 3, a clamp assembly 4, a cover plate assembly 5, a cover plate cylinder 6, a discharging assembly 7 and a pressing assembly 8.

The bracket 1 is provided with a left support arm 11 and a right support arm 12, a roller 2 is arranged between the left support arm 11 and the right support arm 12, and the roller 2 is provided with a roller side wall 21, a roller left end plate 22 and a roller right end plate 23. The roller driving assembly 3 is mounted on the left arm 11 and is connected with the roller 2 by a shaft. The two discharging assemblies 7 are symmetrically arranged on the left support arm 11 and the right support arm 12 and are positioned above the roller driving assembly 3. The clamp assembly 4 is mounted on the outer surface of the roller side wall 21, and the material pressing assembly 8 and the cover plate cylinder 6 are both mounted in the roller 12. The output end of the cover plate cylinder 6 passes through the roller side wall 21 and is fixedly connected with the cover plate assembly 5, and the cover plate assembly 5 is clamped on one side of the clamp assembly 4 and moves up and down along the clamp assembly 4.

The pressing assembly 8 comprises a pressing cylinder 81, a coupling 82, a pressing rod 83, a left pushing plate 84, a right pushing plate 85 and a guide shaft 86. The material pressing cylinder 81, the coupling 82, the pressing rod 83, the left pushing plate 84 and the right pushing plate 85 are all arranged in the roller 2. Guide shaft 86 includes left guide shaft 861 and right guide shaft 862. A left guide shaft 861 passes through the drum left end plate 22 to connect the left end of the clamp assembly 4 with the left push plate 84. A right guide shaft 862 passes through the roller right end plate 23 to connect the right end of the clamp assembly 4 with the right push plate 85. The left push plate 84, the material pressing cylinder 81, the coupling 82, the compression bar 83 and the right push plate 85 are sequentially connected from left to right. The pressing assembly 8 further comprises two limiting blocks 87, and the two limiting blocks 87 are mounted on the inner side surface of the roller side wall 21 through bolts. One stop 87 is located on the right side of the left push plate 84 and one stop 87 is located on the left side of the right push plate 85. Two stoppers 87 are provided for limiting the left push plate 84 and the right push plate 85.

The deck assembly 5 includes a deck mount 51, a deck 52, an buoyancy block 53, a suspension post 54, a compression spring 55, a first rotary tension spring 56, and a deck guide post 57. The cover mounting member 51 is mounted outside the drum sidewall 21 and is located at one side of the second clip 42. The cover guide post 57 extends into the drum sidewall 21 and is bolted to the bottom of the cover mount 51. The cover guide post 57 can move up and down through the through hole on the roller sidewall 21 under the driving of the cover cylinder 6, and plays a guiding role in moving the cover mounting member 51 up and down along the second clamping piece 42. The cover plate mounting piece 51 is provided with a first through hole 511, a hole groove 512 is formed in the bottom end of the side wall of the first through hole 511, the pressure spring 55 is clamped at the bottom of the first through hole 511, the buoyancy lifting block 53 is located above the pressure spring 55, the hanging column 54 is vertically connected with the buoyancy lifting block 53, and one end of the hanging column extends out of the hole groove 512 and into the limiting waist hole 46 of the second clamping piece 42. The output end of the cover cylinder 6 passes through the drum side wall 21 and is connected to the bottom of the cover mount 51. The cover plate 52 is connected to the top shaft of the cover plate mounting member 51, the cover plate 52 is provided with a cover plate rotating shaft 521, and the first rotary tension spring 56 is connected to the cover plate rotating shaft 521 and the cover plate mounting member 51.

The clamp assembly 4 includes a first clip 41, a second clip 42, a second rotary tension spring (not shown), a left limit assembly 44, and a right limit assembly 45. The first and second clips 41 and 42 are mounted on the drum left and right end plates 22 and 23 and are connected by a second rotary tension spring. The number of the second rotary tension springs is three, and the second rotary tension springs are respectively arranged in the three tension spring holes 43 of the first clamping piece 41 and the second clamping piece 42. The outer sides of the first clamping piece 41 and the second clamping piece 42 are respectively provided with a limiting waist hole 46, and the positions of the limiting waist holes 46 correspond to the positions of the floating blocks 53 and the hanging columns 54. One end of the hanging post 54 is clamped in the limiting waist hole 46 of the second clamping piece 42, and moves up and down along the limiting waist hole 46 under the driving of the output end of the cover plate cylinder 6. The left limiting component 44 and the right limiting component 45 are respectively connected with the left end and the right end of the first clamping piece 41, and the left limiting component 44 and the right limiting component 45 have the same structure. The first clamping piece 41 is provided with a swing arm limiting piece 411, and the swing arm limiting piece 411 is mounted on the left end plate 22 or the right end plate 23 of the roller through bolts. The swing arm 441 is located on one side of the swing arm limiting piece 411, the swing arm limiting piece 411 is provided with a limiting arm 412, and the limiting arm 412 limits the swing unloading motion of the swing arm 441.

The left stop assembly 44 includes a swing arm 441, a Z-stop 442, a guide post 443, and a connector 444. The swing arm 441 and the connecting member 444 are both located outside the drum left end plate 22. One end of the left guide shaft 861 passes through the drum left end plate 22, the swing arm 441, and then is connected with the connection member 444. The first clamping piece 41 is provided with a clamping piece rotating shaft 413, and the clamping piece rotating shaft 413 is connected with the swing arm 441. The swing arm 441 is provided with a taper hole 47 and a guide post through hole 48, and the taper hole 47 corresponds to the position of the taper head rod 73. A tapered recess 24 is provided in the left and right end plates 22, 23, and the tapered recess 24 corresponds to the tapered hole 47. The conical tip of the conical head rod 73 is inserted into the conical hole 47, the conical tip of the conical head rod 73 is clamped at the conical recess 24, and pressure is applied to the swing arm 441, so that the swing arm 441 rotates and swings around the left guide shaft 861 as a shaft, the swing arm 441 drives the first clamping piece 41 to open outwards through the clamping piece rotating shaft 413, a gap between the first clamping piece 41 and the second clamping piece 42 is enlarged, and a machined workpiece is conveniently taken out. One end of the guide post 443 is fixedly connected with the connecting piece 444, and the other end corresponds to the position of the guide post through hole 48. The guide post 443 moves left and right along with the connecting piece 444 under the driving of the material pressing cylinder 81, and is inserted into the guide post through hole 48 to play a guiding role. The Z-shaped limiting part 442 is mounted at the top end of the connecting part 444, and the connecting part 444 drives the Z-shaped limiting part 442 to move to the left and right ends of the first clamping piece 41 and the second clamping piece 42 under the pushing of the pressing component 8, so as to press and limit the placed workpiece 9 left and right. The top end of the Z-shaped stopper 442 is inserted between the first clip 41 and the second clip 42, and also functions to maintain the virtual position of the clip assembly.

The roller driving assembly 3 comprises a roller driving cylinder 31, a bearing 32 and a rotating shaft 33, wherein the roller driving cylinder 31 is arranged on the left support arm 11, and the output end of the roller driving cylinder passes through the left support arm 11 and is in rotary connection with the roller left end plate 22 through the bearing 32. One end of the rotating shaft 33 is fixedly connected with the right end plate 23 of the roller, and the other end is rotatably connected with the right support arm 12.

The discharge assembly 7 includes a discharge cylinder 71, a discharge cylinder block 72, and a conical head rod 73. The discharge cylinder block 72 is mounted on the left arm 11 or the right arm 12, and the discharge cylinder 71 is mounted on the discharge cylinder block 72. The output end of the discharge cylinder 71 passes through the discharge cylinder block 72 and is connected to one end shaft of the conical head rod 73. The other end of the conical head rod 73 passes through the left support arm 11 or the right support arm 12, and the top end of the conical head rod is conical and corresponds to the position of the conical hole 47.

When the rotary clamping device is used, the roller driving cylinder 31 is started, the roller 2 rotates to drive the clamp assembly 4 to a specified position, the discharging cylinder 71 is started, the conical head rod 73 stretches into the conical hole 47 to drive the rocker arm 441 to rotate, the first clamping piece 41 is pulled open, the gap between the first clamping piece 41 and the second clamping piece 42 is enlarged, a workpiece is placed in the gap, the discharging cylinder 71 is closed, and the first clamping piece 41 resets and the second clamping piece 42 clamp the workpiece under the reset action of the second rotary tension spring. The pressing cylinder 81 is closed, and the left guide shaft 861 and the right guide shaft 862 respectively drive the connecting pieces of the left limiting component and the right limiting component to move towards the clamp component 4, so that the Z-shaped limiting pieces at the left end and the right end compact the workpiece. The cover plate cylinder 6 jacks up the cover plate assembly 5, the hanging column 54 plays a limiting role, when the cover plate assembly 5 is jacked up for a certain distance, the hanging column 54 is limited by the limiting waist hole 46 of the second clamping piece 42, the cover plate mounting piece 51 continues to move upwards along one side of the second clamping piece 42, the floating block 53 cannot move upwards together due to the fact that the hanging column 54 is limited, and under the pulling force of the first rotary tension spring 56, the cover plate 52 directly covers the workpiece 9 clamped by the clamp assembly 4, and therefore the material cannot fall in the rotary process of the roller. When the clamp assembly 4 rotates to the working position, the cover plate cylinder 6 is closed, the cover plate assembly 5 integrally moves downwards, the cover plate assembly 5 moves downwards against the second clamping piece 42, the cover plate 52 leaves the workpiece, the workpiece 9 is exposed, and the workpiece 9 can be machined. When the machining is completed, the cover plate cylinder 6 is opened, the cover plate assembly 5 repeats the upward moving process, and the cover plate 52 covers the machined workpiece 9, so that material dropping in the rotating process is avoided. When the fixture assembly 4 moves to a specified position, the unloading cylinder 71 is started, the machined workpiece is taken out, the workpiece to be machined is put in, and the process is repeated.

Example 2

Referring to fig. 1, 3 to 10, there is provided a clamping mechanism of a grinding machine, comprising a bracket 1, a roller 2, a roller driving assembly 3, a clamp assembly 4, a cover plate assembly 5, a cover plate cylinder 6, a discharging assembly 7 and a pressing assembly 8. The specific structures of the bracket 1, the roller 2, the roller driving assembly 3, the clamp assembly 4, the cover plate assembly 5, the cover plate cylinder 6, the discharging assembly 7 and the pressing assembly 8 in this embodiment are the same as those in embodiment 1. In this embodiment, the number of left guide shafts 861 and right guide shafts 862 is five, the number of clamp assemblies is five, the five clamp assemblies 4 are uniformly distributed on the roller sidewall 21, and the included angle between two adjacent clamp assemblies 4 is the same. The number of the cover plate assemblies 5 is five, the number of the cover plate air cylinders 6 is five, the five cover plate assemblies are connected with the five clamp assemblies 4 in a one-to-one correspondence manner, and the five cover plate air cylinders are connected with the five cover plate assemblies in a one-to-one correspondence manner. Five left guide shafts 861 and five right guide shafts 862 are respectively connected with the left and right ends of the five jig assemblies 4.

The five groups of clamp assemblies and the cover plate assemblies are arranged in the embodiment, the utilization rate of the roller is improved, five groups of workpieces 9 can be polished by one-time charging, and the processing efficiency is improved.

The foregoing is merely illustrative of some embodiments of the utility model, and it will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the inventive concept.

Claims (10)

1. The utility model provides a fixture of polisher, its characterized in that includes support, cylinder drive assembly, anchor clamps subassembly, apron cylinder, unloading subassembly and swager subassembly, the support is equipped with left support arm and right support arm, the cylinder install in between left support arm and the right support arm, the cylinder drive assembly install in on the left support arm, and with the drum hub connection, unloading subassembly install in on left support arm or the right support arm, and be located cylinder drive assembly top, anchor clamps subassembly install in the surface of cylinder, swager subassembly with the apron cylinder is all installed in the cylinder, swager subassembly's both ends respectively with anchor clamps subassembly's both ends are connected, the apron cylinder pass the cylinder, and with apron subassembly fixed connection, apron subassembly cartridge in one side of anchor clamps subassembly, and follow anchor clamps subassembly reciprocates.

2. The clamping mechanism of a grinding machine according to claim 1, wherein the roller is provided with a roller side wall, a roller left end plate and a roller right end plate, the pressing assembly comprises a pressing cylinder, a coupler, a pressing rod, a left pushing plate, a right pushing plate and a guide shaft, the pressing cylinder, the coupler, the pressing rod, the left pushing plate and the right pushing plate are all installed in the roller, the guide shaft comprises a left guide shaft and a right guide shaft, the left guide shaft penetrates through the roller left end plate to enable the left end of the clamp assembly to be connected with the left pushing plate, the right guide shaft penetrates through the roller right end plate to enable the right end of the clamp assembly to be connected with the right pushing plate, and the left pushing plate, the pressing cylinder, the coupler, the pressing rod and the right pushing plate are sequentially connected from left to right.

3. The clamping mechanism of a polishing machine according to claim 2, wherein the cover plate assembly comprises a cover plate mounting member, a cover plate, a floating block, a hanging column, a pressure spring, a first rotary tension spring and a cover plate guide post, the cover plate mounting member is mounted outside the side wall of the roller, the cover plate guide post extends into the side wall of the roller and is connected with the bottom of the cover plate mounting member through bolts, the cover plate mounting member is provided with a first through hole, a hole groove is formed in the bottom end of the side wall of the first through hole, the pressure spring is clamped at the bottom of the first through hole, the floating block is located above the pressure spring, the hanging column is vertically connected with the floating block, one end of the floating block extends out of the hole groove, the output end of the cover plate cylinder penetrates through the side wall of the roller and is connected with the bottom of the cover plate mounting member, the cover plate is connected with the top shaft of the cover plate mounting member, the cover plate is provided with a rotating shaft, and the first tension spring is connected with the cover plate rotating shaft and the cover plate mounting member.

4. The clamping mechanism of a polishing machine according to claim 3, wherein the clamping mechanism comprises a first clamping piece, a second rotary tension spring, a left limiting assembly and a right limiting assembly, the first clamping piece and the second clamping piece are fixedly mounted on the left end plate and the right end plate of the roller and are connected through the second rotary tension spring, limiting waist holes are formed in the outer sides of the first clamping piece and the second clamping piece, the positions of the limiting waist holes correspond to the positions of the lifting blocks and the hanging columns, one end of the hanging columns are clamped in the limiting waist holes and move up and down along the limiting waist holes, the left limiting assembly and the right limiting assembly are respectively connected with the left end and the right end of the first clamping piece, and the left limiting assembly and the right limiting assembly are identical in structure.

5. The clamping mechanism of a grinding machine according to claim 4, wherein the left limiting component comprises a swing arm, a Z-shaped limiting piece, a guide pillar and a connecting piece, the swing arm and the connecting piece are all located on the outer side of the left end plate of the roller, one end of the left guide shaft penetrates through the swing arm and is connected with the connecting piece, the first clamping piece is provided with a clamping piece rotating shaft, the clamping piece rotating shaft is connected with the swing arm, the swing arm is provided with a taper hole and a guide pillar through hole, the taper hole corresponds to the position of the unloading component, one end of the guide pillar is connected with the connecting piece, the other end of the guide pillar is corresponding to the position of the guide pillar through hole, and the Z-shaped limiting piece is mounted on the top end of the connecting piece.

6. A grinding machine clamping mechanism according to claim 2, wherein the roller driving assembly comprises a roller driving cylinder, a bearing and a rotating shaft, the roller driving cylinder is mounted on the left support arm, the output end of the roller driving cylinder penetrates through the left support arm and is rotationally connected with the left end plate of the roller through the bearing, one end of the rotating shaft is fixedly connected with the right end plate of the roller, and the other end of the rotating shaft is rotationally connected with the right support arm.

7. The grinding machine clamping mechanism according to claim 5, wherein the discharging assembly comprises a discharging cylinder, a discharging cylinder seat and a conical head rod, the discharging cylinder seat is mounted on the left support arm or the right support arm, the discharging cylinder is mounted on the discharging cylinder seat, the output end of the discharging cylinder penetrates through the discharging cylinder seat and is connected with one end shaft of the conical head rod, the other end of the conical head rod penetrates through the left support arm or the right support arm, and the top end of the conical head rod is conical and corresponds to the position of the conical hole.

8. The clamping mechanism of claim 7, wherein the number of the unloading assemblies is two, and the two unloading assemblies have the same structure and are bilaterally symmetrical and are respectively arranged on the left support arm and the right support arm.

9. The grinding machine clamping mechanism according to claim 4, wherein the plurality of clamp assemblies are uniformly distributed on the roller side wall, and the included angle between two adjacent clamp assemblies is the same.

10. The grinding machine clamping mechanism according to claim 9, wherein the plurality of cover plate assemblies are provided, the plurality of cover plate cylinders are provided, the plurality of cover plate assemblies are connected with the plurality of clamp assemblies in one-to-one correspondence, and the plurality of cover plate cylinders are connected with the plurality of cover plate assemblies in one-to-one correspondence.

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