Cylinder inner circle grinding device

Abstract

The utility model relates to the technical field of polishing equipment, in particular to a cylinder inner circle polishing device which comprises an installation frame, a feeding assembly, a first material receiving assembly, a second material receiving assembly, a feeding assembly, a clamping assembly and a polishing assembly, and the first material receiving assembly, the second material receiving assembly, the clamping assembly and the polishing assembly are all arranged on the installation frame. The feeding assembly is arranged at the side end of the mounting frame, a feeding channel is arranged on the feeding assembly and communicates with the first receiving assembly, the second receiving assembly is located above the clamping assembly, the feeding assembly is arranged on the second receiving assembly, the clamping assembly and the grinding assembly are coaxially arranged, and the clamping assembly and the grinding assembly are coaxially arranged. According to the scheme, after materials are clamped and turned over through the second material receiving assembly, the materials are clamped again through the clamping assembly, then the grinding assembly is started again to conduct secondary grinding on the inner side walls of the cylindrical barrel-shaped materials, and therefore the two sides of the cylindrical barrel-shaped materials can be ground.

Description

Technical Field

[0001] The utility model relates to the technical field of grinding equipment, in particular to a cylindrical inner circle grinding device. Background Art

[0002] A cylindrical material in the prior art needs to have an inner hole opened in its axial direction. However, after the material in the prior art completes the hole opening process, there will be certain burrs on the inner slot hole, which will reduce the accuracy and use effect of the workpiece. Therefore, it is necessary to grind the internal circular hole. The workpiece in the prior art needs to be polished manually, which will reduce the processing accuracy of the workpiece and its processing efficiency is low. Therefore, it is necessary to provide a special grinding device. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides a cylindrical inner circle grinding device, and the specific technical solution is as follows:

[0004] A cylindrical inner circle grinding device comprises a mounting frame, a feeding assembly, a first material receiving assembly, a second material receiving assembly, a feeding assembly, a clamping assembly and a grinding assembly, wherein the first material receiving assembly, the second material receiving assembly, the clamping assembly and the grinding assembly are all arranged on the mounting frame, the feeding assembly is arranged at the side end of the mounting frame, the feeding assembly is provided with a feeding channel, the feeding channel is connected to the first material receiving assembly, the second material receiving assembly is located above the clamping assembly, the feeding assembly is arranged on the second material receiving assembly, and the clamping assembly and the grinding assembly are arranged coaxially;

[0005] The first material receiving assembly includes a support frame, a first material receiving port, a first material receiving seat, a first material receiving cylinder and a first material pushing cylinder. The first material receiving port is fixedly arranged on the support frame, the first material receiving seat is vertically slidably installed on the support frame, the first material receiving cylinder is fixedly installed on the support frame, and the output end of the first material receiving cylinder is vertically arranged downward, the output end of the first material receiving cylinder is transmission-connected to the first material receiving seat, the first material pushing cylinder is horizontally arranged on the mounting frame, the output end of the first material pushing cylinder is arranged toward the first material receiving seat, and the loading channel is docked with the first material receiving port.

[0006] In some embodiments, the second material receiving assembly includes a second material receiving mounting frame, a second material receiving cylinder, a second material receiving barrel and a flipping mechanism. The second material receiving mounting frame is vertically slidably arranged on a support frame, the second material receiving cylinder is fixedly arranged on the support frame, the output end of the second material receiving cylinder is transmission-connected to the second material receiving mounting frame, the second material receiving cylinder drives the second material receiving mounting frame to move vertically, the flipping mechanism is arranged on the second material receiving mounting frame, the second material receiving barrel is rotatably arranged on the second material receiving mounting frame, the flipping mechanism is transmission-connected to the second material receiving barrel, and the flipping mechanism drives the second material receiving barrel to flip.

[0007] In some embodiments, the flipping mechanism includes a flipping frame, a flipping cylinder, a flipping rack and a flipping gear. The flipping frame is fixedly arranged at the lower end of the second material receiving mounting frame, the flipping gear is rotatably installed on the flipping frame, the second material receiving barrel is fixedly connected to the flipping gear, the flipping cylinder is fixedly installed on the side end of the flipping frame, the flipping rack is slidably arranged on the inner side of the flipping frame, the flipping cylinder is transmission-connected to the transmission rack, the flipping rack and the flipping gear are meshed with each other, the flipping rack moves to drive the flipping gear to rotate, and the rotation of the flipping gear drives the second material receiving barrel to flip.

[0008] In some embodiments, a material receiving inner cylinder is fixedly installed in the second material receiving cylinder, the material receiving inner cylinder is provided with a cylindrical through hole running through the middle, and a notch communicating with the through hole is provided at the side end of the material receiving inner cylinder.

[0009] In some embodiments, the feeding assembly includes a feeding cylinder, a feeding lever, a feeding hinged bracket, a feeding slide and a feeding sliding block. The feeding hinged bracket is fixedly mounted on the second material receiving mounting frame, the middle part of the feeding lever is hingedly mounted on the feeding hinged bracket, the feeding cylinder is fixedly mounted on the second material receiving mounting frame and its output end is hinged to the upper part of the feeding lever, the feeding slide is fixedly mounted on the lower end of the second material receiving mounting frame, a feeding chute is provided on the feeding slide, the feeding sliding block is slidably installed in the feeding chute, a feeding rod is provided on the side end of the feeding sliding block, the lower end of the feeding lever is fittedly connected to the feeding slide, the feeding lever drives the feeding slide to slide in the feeding chute, and the feeding slide drives the feeding rod to enter the notch of the material receiving inner cylinder.

[0010] In some embodiments, the clamping assembly includes an installation jaw, a clamping rotating cylinder, a clamping rotating motor and a clamping rotating belt. The clamping rotating cylinder is rotatably arranged in an installation frame, the installation jaw is arranged on the inner side of the clamping rotating cylinder, the clamping rotating motor is fixedly arranged in the installation frame, and the clamping rotating belt is sleeved on the output end of the clamping rotating motor and the clamping rotating cylinder. The clamping rotating motor drives the clamping rotating cylinder to rotate, and the clamping rotating cylinder drives the installation jaw to rotate.

[0011] In some embodiments, the grinding assembly includes a grinding mounting table, a grinding mounting table, a grinding rotation motor, and a grinding rotating rod. The grinding mounting table is slidably disposed within the mounting frame. The grinding mounting table is provided on the mounting frame. The grinding mounting table is drivingly connected to the grinding mounting table, and the grinding mounting table drives the grinding mounting table to move horizontally. The grinding rotation motor is fixedly mounted on the grinding mounting table. The grinding rotating rod is fixedly disposed at the output end of the grinding rotation motor, and the grinding rotation motor drives the grinding rotating rod to rotate axially.

[0012] In some embodiments, the grinding mounting table includes a grinding movement motor, a grinding movement lead screw, a grinding movement sleeve, and a grinding movement slider. A grinding movement slide rail is provided on the mounting frame. The lower end surface of the grinding mounting table is fixedly provided with a grinding movement slider. The grinding movement sleeve is sleeved on the grinding movement slide rail. The grinding movement lead screw is rotatably disposed on the mounting frame. The grinding movement motor is fixedly provided on the mounting frame, and the output end of the grinding movement motor is drivingly connected to the grinding movement lead screw. The grinding movement sleeve is disposed at the lower end of the grinding mounting table. The grinding movement sleeve engages with the grinding movement lead screw, and the grinding movement lead screw cooperates with the grinding lead screw sleeve to drive the grinding mounting table to reciprocate horizontally on the grinding movement slide rail.

[0013] In some embodiments, a V-shaped notch groove is provided on the first material receiving seat.

[0014] In some embodiments, the grinding rotating rod and the mounting jaw are on the same axis.

[0015] Compared with the prior art, the present utility model has the following beneficial effects:

[0016] In this solution, the spiral feeder can automatically sort and feed the cylindrical barrel-shaped materials, and let the cylindrical barrel-shaped materials enter the feeding channel one by one. The first material receiving component receives the materials, and after the first material receiving component receives the materials, it conveys them to the second material receiving component. The second material receiving component conveys the materials to the clamping component, and then the clamping component clamps and drives the materials. The grinding component grinds the inner side wall of the cylindrical barrel-shaped materials. After one side is ground, the second material receiving component is started again. The second material receiving component clamps and flips the materials and then clamps the materials again through the clamping component, and then the grinding component is started again to perform secondary grinding on the inner side wall of the cylindrical barrel-shaped materials, so as to realize grinding on both sides of the cylindrical barrel-shaped materials and improve the grinding effect of the cylindrical barrel-shaped materials. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is the overall structural schematic diagram of the present application;

[0018] Figure 2 is the three-dimensional structural schematic diagram of the present application;

[0019] Figure 3 It is a schematic structural view of the first material receiving component, the second material receiving component and the clamping component part Figure 1 ;

[0020] Figure 4 It is a schematic structural view of the first material receiving component, the second material receiving component and the clamping component part Figure 2 ;

[0021] Figure 5 It is Figure 4 an enlarged structural schematic view of the position A in

[0022] Figure 6 a schematic structural view of the flipping mechanism part in the present application;

[0023] Figure 7 a schematic structural view of the grinding component in the present application Figure 1 ;

[0024] Figure 8 a schematic structural view of the grinding component in the present application Figure 2 .

[0025] Reference numerals: mounting frame 1, feeding component 2, feeding channel 21, first material receiving component 3, support frame 31, first material receiving port 32, first material receiving seat 33, first material receiving cylinder 34, first ejecting cylinder 35, second material receiving component 4, second material receiving mounting frame 41, second material receiving cylinder 42, second material receiving cylinder 43, inner material receiving cylinder 431, feeding component 5, feeding cylinder 51, feeding lever 52, feeding hinge bracket 53, feeding sliding member 54, feeding sliding block 55, feeding rod 551, clamping component 6, mounting jaw 61, clamping rotating cylinder 62, clamping rotating motor 63, clamping rotating belt 64, grinding component 7, grinding mounting table 71, grinding rotating motor 72, grinding rotating rod 73, flipping mechanism 8, flipping frame 81, flipping cylinder 82, flipping rack 83, flipping gear 84, grinding moving component 9, grinding moving motor 91, grinding moving lead screw 92, grinding moving sleeve 93, grinding moving sliding member 94. Detailed implementation manners

[0026] The present utility model will be further described below in conjunction with the accompanying drawings.

[0027] As Figures 1 to 8As shown, a cylindrical inner circle grinding device comprises a mounting frame 1, a feeding assembly 2, a first material receiving assembly 3, a second material receiving assembly 4, a feeding assembly 5, a clamping assembly 6 and a grinding assembly 7, wherein the first material receiving assembly 3, the second material receiving assembly 4, the clamping assembly 6 and the grinding assembly 7 are all arranged on the mounting frame 1, the feeding assembly 2 is arranged at the side end of the mounting frame 1, the feeding assembly 2 is provided with a feeding channel 21, the feeding channel 21 is connected to the first material receiving assembly 3, the second material receiving assembly 4 is located above the clamping assembly 6, the feeding assembly 5 is arranged on the second material receiving assembly 4, and the clamping assembly 6 and the grinding assembly 7 are arranged coaxially;

[0028] It can be selected that the feeding component 2 in the present scheme can adopt the spiral feeding machine in the prior art, through which the spiral feeding machine can automatically sort and feed the cylindrical barrel-shaped materials, and allow the cylindrical barrel-shaped materials to enter the feeding channel 21 one by one, and the first material receiving component 3 receives the materials, and the first material receiving component 3 receives the materials and then conveys them to the second material receiving component 4, the second material receiving component 4 conveys the materials to the clamping component 6, and then the clamping component 6 clamps and transmits the materials, and the inner wall of the cylindrical barrel-shaped materials is polished by the grinding component 7. After completing the grinding of one side, the second material receiving component 4 is started again, and the materials are clamped and turned over by the second material receiving component 4, and then the materials are clamped again by the clamping component 6, and then the grinding component 7 is started again to grind the inner wall of the cylindrical barrel-shaped materials for the second time, so that both sides of the cylindrical barrel-shaped materials can be polished, thereby improving the grinding effect of the cylindrical barrel-shaped materials.

[0029] In some embodiments, the first material receiving assembly 3 includes a support frame 31, a first material receiving port 32, a first material receiving seat 33, a first material receiving cylinder 34 and a first material pushing cylinder 35. The first material receiving port 32 is fixedly arranged on the support frame 31, the first material receiving seat 33 is vertically slidably installed on the support frame 31, the first material receiving cylinder 34 is fixedly installed on the support frame 31, and the output end of the first material receiving cylinder 34 is arranged vertically downward, the output end of the first material receiving cylinder 34 is transmission-connected to the first material receiving seat 33, the first material pushing cylinder 35 is horizontally arranged on the mounting frame 1, and the output end of the first material pushing cylinder 35 is arranged toward the first material receiving seat 33, and the loading channel 21 is docked with the first material receiving port 32.

[0030] In some embodiments, the second material receiving assembly 4 includes a second material receiving mounting bracket 41, a second material receiving cylinder 42, a second material receiving barrel 43, and a flipping mechanism 8. The second material receiving mounting bracket 41 is slidably arranged in the vertical direction on the support frame 31. The second material receiving cylinder 42 is fixedly arranged on the support frame 31. The output end of the second material receiving cylinder 42 is drivingly connected to the second material receiving mounting bracket 41. The second material receiving cylinder 42 drives the second material receiving mounting bracket 41 to move in the vertical direction. The flipping mechanism 8 is arranged on the second material receiving mounting bracket 41. The second material receiving barrel 43 is rotatably arranged on the second material receiving mounting bracket 41. The flipping mechanism 8 is drivingly connected to the second material receiving barrel 43, and the flipping mechanism 8 adjusts the flipping of the second material receiving barrel 43.

[0031] In some embodiments, the flipping mechanism 8 includes a flipping frame 81, a flipping cylinder 82, a flipping rack 83, and a flipping gear 84. The flipping frame 81 is fixedly arranged at the lower end of the second material receiving mounting bracket 41. The flipping gear 84 is rotatably installed on the flipping frame 81. The second material receiving barrel 43 is fixedly connected to the flipping gear 84. The flipping cylinder 82 is fixedly installed at the side end of the flipping frame 81. The flipping rack 83 is slidably arranged inside the flipping frame 81. The flipping cylinder 82 is drivingly connected to the driving rack. The flipping rack 83 and the flipping gear 84 are meshed with each other. The movement of the flipping rack 83 drives the rotation of the flipping gear 84, and the rotation of the flipping gear 84 drives the flipping of the second material receiving barrel 43.

[0032] In some embodiments, a material receiving inner barrel 431 is fixedly installed inside the second material receiving barrel 43. The material receiving inner barrel 431 is provided with a cylindrical through hole that penetrates through the middle. A notch communicating with the through hole is arranged at the side end of the material receiving inner barrel 431.

[0033] In some embodiments, the feeding assembly 5 includes a feeding cylinder 51, a feeding lever 52, a feeding hinge bracket 53, a feeding sliding member 54, and a feeding sliding block 55. The feeding hinge bracket 53 is fixedly installed on the second material receiving mounting bracket 41. The middle part of the feeding lever 52 is hinge-mounted on the feeding hinge bracket 53. The feeding cylinder 51 is fixedly installed on the second material receiving mounting bracket 41 and its output end is hinged to the upper part of the feeding lever 52. The feeding sliding member 54 is fixedly installed at the lower end of the second material receiving mounting bracket 41. A feeding chute is arranged on the feeding sliding member 54. The feeding sliding block 55 is slidably installed in the feeding chute. A feeding rod 551 is arranged at the side end of the feeding sliding block 55. The lower end of the feeding lever 52 is fittingly connected to the feeding sliding member 54. The feeding lever 52 drives the feeding sliding member 54 to slide in the feeding chute, and the feeding sliding member 54 drives the feeding rod 551 to enter the notch of the material receiving inner barrel 431.

[0034] In some embodiments, the clamping assembly 6 includes an installation clamp 61, a clamping rotating cylinder 62, a clamping rotating motor 63, and a clamping rotating belt 64. The clamping rotating cylinder 62 is rotatably set in the installation frame 1, the installation clamp 61 is set on the inner side of the clamping rotating cylinder 62, the clamping rotating motor 63 is fixedly set in the installation frame 1, and the clamping rotating belt 64 is sleeved on the output end of the clamping rotating motor 63 and the clamping rotating cylinder 62. The clamping rotating motor 63 drives the clamping rotating cylinder 62 to rotate, and the clamping rotating cylinder 62 drives the installation clamp 61 to rotate.

[0035] In some embodiments, the grinding assembly 7 includes a grinding mounting table 71, a grinding moving assembly 9, a grinding rotating motor 72 and a grinding rotating rod 73. The grinding mounting table 71 is slidably set in the mounting frame 1, the grinding moving assembly 9 is set on the mounting frame 1, the grinding moving assembly 9 is transmission-connected to the grinding mounting table 71, the grinding moving assembly 9 drives the grinding mounting table 71 to move laterally, the grinding rotating motor 72 is fixedly mounted on the grinding mounting table 71, and the grinding rotating rod 73 is fixedly set at the output end of the grinding rotating motor 72, and the grinding rotating motor 72 drives the grinding rotating rod 73 to rotate axially.

[0036] In some embodiments, the polishing moving component 9 includes a polishing moving motor 91, a polishing moving screw 92, a polishing moving sleeve 93 and a polishing moving slide 94. A polishing moving slide rail is provided on the mounting frame 1, and a polishing moving slide 94 is fixedly provided on the lower end surface of the polishing mounting table 71. The polishing moving slide 94 is sleeved on the polishing moving slide rail. The polishing moving screw 92 is rotatably set on the mounting frame 1. The polishing moving motor 91 is fixedly set on the mounting frame 1. The output end of the polishing moving motor 91 is transmission-connected to the polishing moving screw 92. The polishing moving sleeve 93 is set at the lower end of the polishing mounting table 71. The polishing moving sleeve 93 is matched with the polishing moving screw 92. The polishing moving screw 92 cooperates with the polishing screw sleeve to drive the polishing mounting table 71 to reciprocate on the polishing moving slide rail.

[0037] In some embodiments, a V-shaped notch groove is provided on the first material receiving seat 33, and the V-shaped notch groove provides limited support for the cylindrical barrel-shaped material, thereby improving the setting stability of the material.

[0038] In some embodiments, the grinding rod 73 and the mounting jaws 61 are located on the same axis, thereby improving the grinding stability of cylindrical materials.

[0039] When this solution is in use, start the feeding component 2. The feeding component 2 is used to sort the cylindrical barrel-shaped materials, and convey several materials one by one through the feeding channel 21 to the first material receiving component 3. The materials enter the first material receiving seat 33 through the first material receiving port 32. Start the first material receiving cylinder 34, and drive the first material receiving seat 33 to move downward by a certain distance through the first material receiving cylinder 34. At the same time, control the second material receiving cylinder 43 on the second material receiving component 4 to move upward, so that the second material receiving cylinder 43 and the first material receiving seat 33 are on the same axis. Then start the first ejecting cylinder 35, and eject the material on the first material receiving seat 33 into the receiving inner cylinder 431 through the first ejecting cylinder 35. Then retract the first ejecting cylinder 35, start the first material receiving cylinder 34 and the second material receiving cylinder 42. Through the retraction of the first material receiving cylinder 34, the first material receiving seat 33 is lifted upward to continuously convey the subsequent materials. Through the extension of the second material receiving cylinder 42, the second material receiving cylinder 43 is conveyed downward, so that the second material receiving cylinder 43 and the clamping rotating cylinder 62 are on the same axis. Start the feeding cylinder 51 to push the feeding lever 52, and drive the lower end surface of the feeding lever 52 to drive the feeding sliding block 55 to slide horizontally in the feeding chute, and drive the feeding rod 551 to embed into the notch of the receiving inner cylinder 431 to push the material therein into the mounting jaw 61. Start the mounting jaw 61 to clamp the material, and then reset the second material receiving cylinder 42 and the feeding cylinder 51 to move the second material receiving cylinder 43 upward. Then start the clamping rotating motor 63 to drive the clamping rotating cylinder 62 to rotate, and at the same time start the polishing rotating motor 72 to drive the polishing rod 73 to rotate. Start the polishing moving component 9 to push the polishing rod 73 into the inner cylinder of the material, so as to polish the inner cylinder wall of the material. After completion, reset the polishing moving component 9 to drive the polishing rod 73 away from the material, stop the polishing rotating motor 72 and the clamping rotating motor 63. Start the flipping cylinder 82 to drive the flipping rack 83 to move in the flipping frame 81, and drive the second material receiving cylinder 43 to flip by 180° through the cooperation of the flipping rack 83 and the flipping gear 84. Then start the second material receiving cylinder 42 to drive the second material receiving cylinder 43 to move downward, and the mounting jaw 61 pushes the material into the second material receiving cylinder 43 and releases it. At this time, start the flipping cylinder 82 again to drive the second material receiving cylinder 43 to flip by 180°. At this time, the material in the second material receiving cylinder 43 is in a flipped state. Then start the feeding cylinder 51 to push the material into the mounting jaw 61, and repeat the running steps of the clamping component 6 and the polishing component 7 to polish the material again, so as to polish both sides of the material, thereby improving the forming effect of the material. After the processing is completed, push the material in the mounting jaw 61 out to realize discharging.

[0040] The technical principle of the present utility model has been described in combination with specific embodiments above. These descriptions are only for explaining the principle of the present utility model and cannot be construed as a limitation on the protection scope of the present utility model in any way. Based on the explanations herein, those skilled in the art can readily conceive of other specific embodiments of the present utility model without creative efforts, and these embodiments will fall within the protection scope of the claims of the present utility model.

Claims

1. A cylindrical inner circle grinding device, characterized in that: The invention comprises a mounting frame (1), a loading assembly (2), a first material receiving assembly (3), a second material receiving assembly (4), a feeding assembly (5), a clamping assembly (6) and a grinding assembly (7); the first material receiving assembly (3), the second material receiving assembly (4), the clamping assembly (6) and the grinding assembly (7) are all arranged on the mounting frame (1); the loading assembly (2) is arranged at the side end of the mounting frame (1); a loading channel (21) is arranged on the loading assembly (2); the loading channel (21) is connected to the first material receiving assembly (3); the second material receiving assembly (4) is located above the clamping assembly (6); the feeding assembly (5) is arranged on the second material receiving assembly (4); and the clamping assembly (6) and the grinding assembly (7) are coaxially arranged; The first material receiving assembly (3) comprises a support frame (31), a first material receiving port (32), a first material receiving seat (33), a first material receiving cylinder (34) and a first material pushing cylinder (35); the first material receiving port (32) is fixedly arranged on the support frame (31); the first material receiving seat (33) is slidably mounted on the support frame (31) in a vertical direction; the first material receiving cylinder (34) is fixedly mounted on the support frame (31); and the output end of the first material receiving cylinder (34) is arranged vertically downward; the output end of the first material receiving cylinder (34) is transmission-connected to the first material receiving seat (33); the first material pushing cylinder (35) is horizontally arranged on the mounting frame (1); the output end of the first material pushing cylinder (35) is arranged toward the first material receiving seat (33); and the loading channel (21) is connected to the first material receiving port (32).

2. The cylindrical inner circle grinding device according to claim 1, characterized in that: The second material receiving assembly (4) comprises a second material receiving mounting frame (41), a second material receiving cylinder (42), a second material receiving barrel (43) and a flipping mechanism (8); the second material receiving mounting frame (41) is slidably arranged on the support frame (31) in the vertical direction; the second material receiving cylinder (42) is fixedly arranged on the support frame (31); the output end of the second material receiving cylinder (42) is transmission-connected to the second material receiving mounting frame (41); the second material receiving cylinder (42) drives the second material receiving mounting frame (41) to move in the vertical direction; the flipping mechanism (8) is arranged on the second material receiving mounting frame (41); the second material receiving barrel (43) is rotatably arranged on the second material receiving mounting frame (41); the flipping mechanism (8) is transmission-connected to the second material receiving barrel (43); and the flipping mechanism (8) drives the second material receiving barrel (43) to flip.

3. The cylindrical inner circle grinding device according to claim 2, characterized in that: The turning mechanism (8) comprises a turning frame (81), a turning cylinder (82), a turning rack (83) and a turning gear (84); the turning frame (81) is fixedly arranged at the lower end of the second material receiving mounting frame (41); the turning gear (84) is rotatably mounted on the turning frame (81); the second material receiving barrel (43) is fixedly connected to the turning gear (84); the turning cylinder (82) is fixedly mounted on the side end of the turning frame (81); the turning rack (83) is slidably arranged on the inner side of the turning frame (81); the turning cylinder (82) is transmission-connected to the transmission rack; the turning rack (83) and the turning gear (84) are meshed with each other; the turning rack (83) moves to drive the turning gear (84) to rotate; the turning gear (84) rotates to drive the second material receiving barrel (43) to turn over.

4. The cylindrical inner circle grinding device according to claim 3, characterized in that: A material receiving inner cylinder (431) is fixedly installed in the second material receiving cylinder (43), and the material receiving inner cylinder (431) is provided with a cylindrical through hole running through the middle, and a notch communicating with the through hole is provided at the side end of the material receiving inner cylinder (431).

5. The cylindrical inner circle grinding device according to claim 4, characterized in that: The feeding assembly (5) comprises a feeding cylinder (51), a feeding lever (52), a feeding hinged bracket (53), a feeding slide (54) and a feeding slide block (55); the feeding hinged bracket (53) is fixedly mounted on the second material receiving mounting frame (41); the middle part of the feeding lever (52) is hingedly mounted on the feeding hinged bracket (53); the feeding cylinder (51) is fixedly mounted on the second material receiving mounting frame (41) and its output end is hingedly connected to the upper part of the feeding lever (52); the feeding slide (54) The feeding slide (54) is fixedly mounted on the lower end of the second material receiving mounting frame (41), and a feeding chute is arranged on the feeding slide. The feeding sliding block (55) is slidably mounted in the feeding chute. A feeding rod (551) is arranged on the side end of the feeding sliding block (55). The lower end of the feeding lever (52) is fittedly connected to the feeding slide (54). The feeding lever (52) drives the feeding slide (54) to slide in the feeding chute, and the feeding slide (54) drives the feeding rod (551) to enter the notch of the material receiving inner tube (431).

6. The cylindrical inner circle grinding device according to claim 1, characterized in that: The clamping assembly (6) comprises a mounting clamping jaw (61), a clamping rotating cylinder (62), a clamping rotating motor (63) and a clamping rotating belt (64); the clamping rotating cylinder (62) is rotatably arranged in the mounting frame (1); the mounting clamping jaw (61) is arranged on the inner side of the clamping rotating cylinder (62); the clamping rotating motor (63) is fixedly arranged in the mounting frame (1); the clamping rotating belt (64) is sleeved on the output end of the clamping rotating motor (63) and the clamping rotating cylinder (62); the clamping rotating motor (63) drives the clamping rotating cylinder (62) to rotate, and the clamping rotating cylinder (62) drives the mounting clamping jaw (61) to rotate.

7. The cylindrical inner circle grinding device according to claim 6, characterized in that: The grinding assembly (7) comprises a grinding mounting table (71), a grinding moving assembly (9), a grinding rotating motor (72) and a grinding rotating rod (73); the grinding mounting table (71) is slidably arranged in the mounting frame (1); the grinding moving assembly (9) is arranged on the mounting frame (1); the grinding moving assembly (9) is transmission-connected to the grinding mounting table (71); the grinding moving assembly (9) drives the grinding mounting table (71) to move laterally; the grinding rotating motor (72) is fixedly mounted on the grinding mounting table (71); the grinding rotating rod (73) is fixedly arranged at the output end of the grinding rotating motor (72); and the grinding rotating motor (72) drives the grinding rotating rod (73) to rotate axially.

8. The cylindrical inner circle grinding device according to claim 7, characterized in that: The grinding moving assembly (9) comprises a grinding moving motor (91), a grinding moving screw (92), a grinding moving sleeve (93) and a grinding moving slide (94); a grinding moving slide rail is arranged on the installation frame (1); a grinding moving slide (94) is fixedly arranged on the lower end surface of the grinding installation platform (71); the grinding moving slide (94) is sleeved on the grinding moving slide rail; the grinding moving screw (92) is rotatably arranged on the installation frame (1) The polishing movable motor (91) is fixedly arranged on the mounting frame (1), the output end of the polishing movable motor (91) is transmission-connected to the polishing movable screw rod (92), the polishing movable sleeve (93) is arranged at the lower end of the polishing mounting platform (71), the polishing movable sleeve (93) is matched with the polishing movable screw rod (92), and the polishing movable screw rod (92) cooperates with the polishing screw rod sleeve to drive the polishing mounting platform (71) to reciprocate on the polishing movable slide rail.

9. The cylindrical inner circle grinding device according to claim 1, characterized in that: The first material receiving seat (33) is provided with a V-shaped notch groove.

10. The cylindrical inner circle grinding device according to claim 7, characterized in that: The grinding rotating rod (73) and the mounting clamping claw (61) are located on the same axis.

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