Cutting device for sewage pipe

Abstract

The embodiment of the invention provides a cutting device for a sewage pipe, and relates to the technical field of sewage pipe machining. A sewage pipe cutting device comprises a machining table, a limiting barrel, a machining groove, a mounting box, a limiting cutting assembly and a conveying and feeding assembly, the limiting cutting assembly comprises a first center shaft, one end of the first center shaft is fixedly connected with a driving motor, and the driving motor is mounted on the mounting box; the first center shafts are rotationally mounted on the two sides of the inner wall of the machining groove, one end of each first center shaft is fixedly connected with a rotating plate, and an electric push rod is started to drive a cutting knife to ascend and descend along a limiting plate to achieve the effect of cutting the sewage pipe; when the rotating plate and the first connecting shaft rotate with the first center shaft as the center, the conveying and feeding assembly can be matched to convey the sewage pipe, the sewage pipe is located in the limiting barrel to horizontally move, and therefore the sewage pipe is continuously cut off, the production efficiency of the sewage pipe is improved, and the sewage pipe can be conveyed and moved in the limiting barrel in a linkage mode.

Description

Technical Field

[0001] The present application relates to the technical field of sewage pipes, and in particular to a sewage pipe cutting device. Background Art

[0002] The sewage pipe system consists of pipes and their ancillary structures for collecting and transporting urban sewage. Sewage flows from branch pipes into trunk pipes, then into the main trunk pipe, and finally into the sewage treatment plant. The pipes are distributed from small to large, similar to rivers, in a tree-like shape, which is completely different from the circulation and penetration of the water supply network. Sewage generally flows from high to low in the pipe due to the water level difference at both ends of the pipe. The pipe is not under pressure, that is, it flows by gravity.

[0003] The problem with the solution is that during the production process of existing sewage pipes, multiple sections of sewage pipes need to be spliced ​​together during construction, and the sewage pipes need to be cut during production. Traditional sewage pipe cutting devices cut the sewage pipes intermittently, which increases the time required for sewage pipe cutting, thereby reducing production efficiency. Summary of the invention

[0004] The present application aims to solve at least one of the technical problems existing in the prior art. To this end, the present application proposes a cutting device for sewage pipes. During the production process of the sewage pipes, the sewage pipes are inserted into a limiting cylinder at one end, and then the driving motor is started to drive the rotating plate and the No. 1 connecting shaft to rotate around the No. 1 central axis. Since the No. 1 transmission rod on the No. 1 connecting shaft is connected to a triangular bracket through the No. 2 central axis, and the triangular bracket is installed on the inner wall of the processing groove through the No. 1 rotating shaft, the upper clamping block at the upper end of the No. 1 transmission rod and the lower clamping block of the triangular bracket can be overlapped, so that the sewage pipe is clamped and limited to achieve the effect of auxiliary fixation, and then the electric push rod is started to drive the cutting knife to rise and fall along the limiting plate to achieve the effect of cutting the sewage pipe. When the rotating plate and the No. 1 connecting shaft rotate around the No. 1 central axis, the sewage pipe can be transported in cooperation with the conveying and feeding assembly, so that the sewage pipe is located in the limiting cylinder and moves horizontally, thereby continuously cutting the sewage pipe, improving the sewage pipe production efficiency and being able to link the conveying and moving of the sewage pipe in the limiting cylinder.

[0005] The present application also proposes a cutting device for a sewage pipe, comprising a processing table, a limiting cylinder, a processing groove, an installation box, a limiting cutting assembly and a conveying and feeding assembly, wherein the limiting cutting assembly comprises a No. 1 central axis, one end of the No. 1 central axis is fixedly connected to a driving motor, the driving motor is installed in the installation box, the No. 1 central axis is rotatably installed on both sides of the inner wall of the processing groove, each of the No. 1 central axis is fixedly connected to a rotating plate at one end, a No. 1 connecting shaft is fixedly connected between each of the rotating plates, a No. 1 transmission rod is rotatably installed at both ends of the No. 1 connecting shaft, and an upper clamping block is fixedly connected to the upper end of the No. 1 transmission rod; the conveying and feeding assembly comprises a collar, the collar is rotatably sleeved on the middle part of the No. 1 connecting shaft, a No. 2 transmission rod is fixedly connected to one side of the collar, a connecting piece is rotatably installed at one end of the No. 2 transmission rod, and a connecting piece is fixedly connected to one end of the connecting piece. Two No. 2 connecting shafts are provided, and each of the No. 2 connecting shafts is vertically arranged in the processing groove from top to bottom.

[0006] In some embodiments of the present application, an installation box is fixedly connected to the middle of the lower surface of the processing table, a processing groove is provided in the middle of the processing table and the installation box, T-shaped fixing plates are fixedly connected to both sides of the upper surface of the processing table, each of the T-shaped fixing plates is located on both sides of the processing groove, and a limiting cylinder is fixedly connected to the upper end of each T-shaped fixing plate, and support legs are fixedly connected to both sides of the lower surface of the processing table.

[0007] In some embodiments of the present application, a fixed base plate is fixedly connected to the lower end of each supporting leg, a limited cutting assembly is installed on one side of the inner wall of the processing groove, a lower clamp block and an upper clamp block are installed on the limited cutting assembly, and a limited groove is arranged in the middle of the lower clamp block and the upper clamp block, a conveying and loading assembly is installed in linkage with one side of the limited cutting assembly, mounting plates are fixedly connected on both sides of the processing table, and the conveying and loading assembly is installed between the mounting plates.

[0008] In some embodiments of the present application, a No. 2 center shaft is rotatably installed in the middle of the No. 1 transmission rod, a triangular bracket is rotatably installed on the inner side of the No. 2 center shaft, the lower end of the triangular bracket is fixedly connected to the No. 1 rotating shaft, torsion springs are installed at both ends of the No. 1 rotating shaft, the No. 1 rotating shaft is rotatably installed on the inner wall of the processing groove through the torsion springs at both ends, and an extension rod is fixedly connected to one side of the two ends of the No. 1 rotating shaft.

[0009] In some embodiments of the present application, a sliding rod is fixedly connected to the upper end of each extension rod, an arc-shaped slide rail is movably installed at one end of the sliding rod, each of the arc-shaped slide rails is fixedly connected to the inner wall of the processing groove, a lower clamp block is fixedly connected to the upper end of the triangular bracket, the lower clamp block cooperates with the upper clamp block, and one side of each triangular bracket is fixedly connected to a supporting base plate.

[0010] In some embodiments of the present application, an electric push rod is fixedly connected to the upper surface of the support base plate, the output shaft of the electric push rod is fixedly connected to a loading plate, two sliders are fixedly connected to one side of the loading plate, a limit plate is installed on one side of each slider, each limit plate is fixedly connected to the side surface of the triangular bracket, and a cutting knife is fixedly connected to the upper surface of the loading plate.

[0011] In some embodiments of the present application, both ends of each of the No. 2 connecting shafts are fixedly connected to mounting sheet metals, one side of each of the mounting sheet metals is fixedly connected to a No. 2 rotating shaft, each of the No. 2 rotating shafts is rotatably mounted on the inner wall of the processing groove, a sprocket is provided on the fixed sleeve of the two No. 3 rotating shafts on the same side, a chain is installed for transmission on each of the sprockets, upper rubber sleeves are fixedly connected to both ends of the upper No. 2 connecting shaft, and lower rubber sleeves are fixedly connected to both ends of the lower No. 2 connecting shaft.

[0012] The beneficial effects of the present application are as follows: during the production process of the sewage pipe, the sewage pipe is inserted into the limiting cylinder at one end, and then the driving motor is started to drive the rotating plate and the No. 1 connecting shaft to rotate around the No. 1 center axis. Since the No. 1 transmission rod on the No. 1 connecting shaft is connected to the triangular bracket through the No. 2 center axis, and the triangular bracket is installed on the inner wall of the processing groove through the No. 1 rotating shaft, the upper clamping block at the upper end of the No. 1 transmission rod and the lower clamping block of the triangular bracket can be overlapped, thereby clamping and limiting the sewage pipe to achieve the effect of auxiliary fixation, and then the electric push rod is started to drive the cutting knife to rise and fall along the limiting plate to achieve the effect of cutting the sewage pipe. When the rotating plate and the No. 1 connecting shaft rotate around the No. 1 center axis, the conveying and feeding assembly can be used to convey the sewage pipe, so that the sewage pipe is located in the limiting cylinder and moves horizontally, thereby continuously cutting the sewage pipe, improving the sewage pipe production efficiency and linking the conveying and movement of the sewage pipe in the limiting cylinder. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the embodiments of the present application will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0014] Figure 1 is a schematic three-dimensional diagram of the overall structure of one side according to an embodiment of the present application;

[0015] Figure 2 is a schematic three-dimensional diagram of the overall structure of the other side according to an embodiment of the present application;

[0016] Figure 3 is a schematic three-dimensional diagram of a local structure according to an embodiment of the present application;

[0017] Figure 4 is a schematic perspective view of the cross-sectional structure of the processing table according to an embodiment of the present application;

[0018] Figure 5 is a schematic perspective view of the combined structure of the limit cutting component and the conveying and loading component according to an embodiment of the present application;

[0019] Figure 6 is a schematic perspective view of one side of the overall limit cutting component according to an embodiment of the present application;

[0020] Figure 7 is a schematic perspective view of the other side of the overall limit cutting component according to an embodiment of the present application;

[0021] Figure 8 is a schematic perspective view of the overall structure of the conveying and loading component according to an embodiment of the present application;

[0022] Figure 9 is a schematic perspective view of a partial structure of the conveying and loading component according to an embodiment of the present application.

[0023] Icon: 1. Processing table; 2. T-shaped fixing plate; 3. Limit cylinder; 4. Processing groove; 5. Installation box; 6. Support leg; 7. Fixed bottom plate; 8. Limit cutting component; 9. Lower clamping block; 10. Upper clamping block; 11. Limit groove; 12. Installation plate; 13. Conveying and loading component; 801. First central shaft; 802. Rotating plate; 803. First connecting shaft; 804. First transmission rod; 805. Second central shaft; 806. Triangular bracket; 807. First rotating shaft; 808. Torsion spring; 809. Extension rod; 810. Slide bar; 811. Arc-shaped slide rail; 812. Cutting knife; 813. Loading plate; 814. Slide block; 815. Limit plate; 816. Electric push rod; 817. Support bottom plate; 301. Collar; 302. Second transmission rod; 303. Connector; 304. Second connecting shaft; 305. Lower rubber sleeve; 306. Upper rubber sleeve; 307. Installation sheet metal; 308. Second rotating shaft; 309. Sprocket; 310. Chain. Detailed implementation manners

[0024] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0025] Such as Figures 1-9As shown in the figure, a cutting device for sewage pipes includes a processing table 1, a limiting cylinder 3, a processing groove 4, an installation box 5, a limiting cutting assembly 8 and a conveying and feeding assembly 13. The limiting cutting assembly 8 includes a first central shaft 801. One end of the first central shaft 801 is fixedly connected to a driving motor, and the driving motor is installed in the installation box 5. The first central shaft 801 is rotatably installed on both sides of the inner wall of the processing groove 4. One end of each first central shaft 801 is fixedly connected to a rotating plate 802. A first connecting shaft 803 is fixedly connected between each rotating plate 802. The two ends of the first connecting shaft 803 are rotatably installed with a first transmission rod 804. The upper end of the first transmission rod 804 is fixedly connected to an upper clamping block 10. The conveying and feeding assembly 13 includes a collar 301. The collar 301 is rotatably sleeved on the middle part of the first connecting shaft 803. One side of the collar 301 is fixedly connected to a second transmission rod 302. One end of the second transmission rod 302 is rotatably installed with a connecting piece 303. One end of the connecting piece 303 is fixedly connected to a second connecting shaft 304. There are two second connecting shafts 304, and each second connecting shaft 304 is vertically arranged up and down in the processing groove 4.

[0026] A mounting box 5 is fixedly connected to the middle of the lower surface of the processing table 1, and a processing groove 4 is arranged in the middle of the processing table 1 and the mounting box 5. T-shaped fixing plates 2 are fixedly connected to both sides of the upper surface of the processing table 1, and each of the T-shaped fixing plates 2 is located at both sides of the processing groove 4. A limiting cylinder 3 is fixedly connected to the upper end of each T-shaped fixing plate 2. Support legs 6 are fixedly connected to both sides of the lower surface of the processing table 1, and a fixed bottom plate 7 is fixedly connected to the lower end of each supporting leg 6. A limited cutting assembly 8 is installed on one side of the inner wall of the processing groove 4, and a lower clamping block 9 and an upper clamping block 10 are installed on the limited cutting assembly 8. A limiting groove 11 is arranged in the middle of the lower clamping block 9 and the upper clamping block 10. A conveying and feeding assembly 13 is installed on one side of the limited cutting assembly 8 in linkage. Mounting plates 12 are fixedly connected to both sides of the processing table 1, and the conveying and feeding assembly 13 is installed between the mounting plates 12. In the production process of the sewage pipe, the sewage pipe is inserted into the limiting cylinder 3 at one end, and then the driving motor is started to drive the The movable rotating plate 802 and the No. 1 connecting shaft 803 rotate around the No. 1 central axis 801. Since the No. 1 transmission rod 804 on the No. 1 connecting shaft 803 is connected to the triangular bracket 806 through the No. 2 central axis 805, and the triangular bracket 806 is installed on the inner wall of the processing groove 4 through the No. 1 rotating shaft 807, the upper clamping block 10 at the upper end of the No. 1 transmission rod 804 and the lower clamping block 9 of the triangular bracket 806 can overlap, thereby clamping and limiting the sewage pipe to achieve the effect of auxiliary fixation, and then the electric push rod 816 is started to drive the cutting knife 812 to rise and fall along the limiting plate 815 to achieve the effect of cutting the sewage pipe. When the rotating plate 802 and the No. 1 connecting shaft 803 rotate around the No. 1 central axis 801, the conveying and feeding assembly 13 can be used to convey the sewage pipe, so that the sewage pipe is located in the limiting cylinder 3 and moves horizontally, thereby continuously cutting the sewage pipe, improving the sewage pipe production efficiency and can be linked to the conveying and movement of the sewage pipe in the limiting cylinder.

[0027] A second central shaft 805 is rotatably installed in the middle of the first transmission rod 804. A triangular bracket 806 is rotatably installed inside the second central shaft 805. A first rotating shaft 807 is fixedly connected to the lower end of the triangular bracket 806. Torsion springs 808 are installed at both ends of the first rotating shaft 807. The first rotating shaft 807 is rotatably installed on the inner wall of the processing groove 4 through the torsion springs 808 at both ends. Extension rods 809 are fixedly connected to one side of both ends of the first rotating shaft 807. A sliding rod 810 is fixedly connected to the upper end of each extension rod 809. An arc-shaped sliding rail 811 is movably installed at one end of the sliding rod 810. Each arc-shaped sliding rail 811 is fixedly connected to the inner wall of the processing groove 4. A lower clamping block 9 is fixedly connected to the upper end of the triangular bracket 806. The lower clamping block 9 cooperates with the upper clamping block 10. A support bottom plate 817 is fixedly connected to one side of each triangular bracket 806. An electric push rod 816 is fixedly connected to the upper surface of the support bottom plate 817. The output shaft of the electric push rod 816 is fixedly connected to a loading plate 813. Two sliders 814 are fixedly connected to one side of the loading plate 813. A limiting plate 815 is installed on one side of each slider 814. Each limiting plate 815 is fixedly connected to the side surface of the triangular bracket 806. A cutting knife 812 is fixedly connected to the upper surface of the loading plate 813. During the production process of the sewage pipe, the sewage pipe is inserted into the limiting cylinder 3 at one end. Subsequently, the driving motor is started to drive the rotating plate 802 and the first connecting shaft 803 to rotate around the first central shaft 801. Since the first transmission rod 804 on the first connecting shaft 803 is connected to the triangular bracket 806 through the second central shaft 805, and the triangular bracket 806 is installed on the inner wall of the processing groove 4 through the first rotating shaft 807, the upper clamping block 10 at the upper end of the first transmission rod 804 and the lower clamping block 9 of the triangular bracket 806 can be made to coincide, so as to clamp and limit the sewage pipe to achieve the effect of auxiliary fixation. Subsequently, the electric push rod 816 is started to drive the cutting knife 812 to lift along the limiting plate 815 to achieve the effect of cutting the sewage pipe.

[0028] Both ends of each second connecting shaft 304 are fixedly connected with mounting sheet metals 307. One side of each mounting sheet metal 307 is fixedly connected with a second rotating shaft 308. Each second rotating shaft 308 is rotatably installed on the inner wall of the processing groove 4. Two sprockets 309 are fixedly sleeved on the second rotating shafts 308 on the same side. A chain 310 is drivingly installed on each sprocket 309. Upper rubber sleeves 306 are fixedly connected to both ends of the upper second connecting shaft 304. Lower rubber sleeves 305 are fixedly connected to both ends of the lower second connecting shaft 304. When the rotating plate 802 and the first connecting shaft 803 rotate around the first central axis 801, since the second transmission rod 302 is rotatably sleeved on the first connecting shaft 803 through the collar 301, it can drive the second transmission rod 302 to move in a circular motion following the first connecting shaft 803. Since the second rotating shafts 308 on both sides drive the upper rubber sleeves 306 and the lower rubber sleeves 305 to rotate around the second rotating shafts 308 through the sprockets 309 and the chain 310, the upper rubber sleeves 306 and the lower rubber sleeves 305 can drive the sewage pipe to be conveyed and move within the limiting cylinder 3 by tightly adhering to the sewage pipe.

[0029] The working principle of this embodiment is as follows:

[0030] First, during the production process of the sewage pipe, the sewage pipe is inserted into one end of the limiting cylinder 3. Subsequently, the driving motor is started to drive the rotating plate 802 and the first connecting shaft 803 to rotate around the first central axis 801. Since the first transmission rod 804 on the first connecting shaft 803 is connected with a triangular bracket 806 through the second central axis 805, and the triangular bracket 806 is installed on the inner wall of the processing groove 4 through the first rotating shaft 807, the upper clamping block 10 at the upper end of the first transmission rod 804 can coincide with the lower clamping block 9 of the triangular bracket 806, so as to clamp and limit the sewage pipe to achieve the effect of auxiliary fixation. Subsequently, the electric push rod 816 is started to drive the cutting knife 812 to lift along the limiting plate 815 to achieve the effect of cutting the sewage pipe. When the rotating plate 802 and the first connecting shaft 803 rotate around the first central axis 801, since the second transmission rod 302 is rotatably sleeved on the first connecting shaft 803 through the collar 301, it can drive the second transmission rod 302 to move in a circular motion following the first connecting shaft 803. Since the second rotating shafts 308 on both sides drive the upper rubber sleeves 306 and the lower rubber sleeves 305 to rotate around the second rotating shafts 308 through the sprockets 309 and the chain 310, the upper rubber sleeves 306 and the lower rubber sleeves 305 can drive the sewage pipe to be conveyed and move within the limiting cylinder 3 by tightly adhering to the sewage pipe.

[0031] It should be noted that in this text, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprising", "including" or any other variant thereof are intended to cover non-exclusive inclusion, such that a process, method, article or apparatus comprising a series of elements not only includes those elements but also includes other elements not expressly listed, or elements inherent to such process, method, article or apparatus.

[0032] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A sewage pipe cutting device, comprising a processing table (1), a limiting cylinder (3), a processing groove (4), a mounting box (5), a limiting cutting component (8) and a conveying and feeding component (13), characterized in that: The position-limiting cutting assembly (8) comprises a center axis (801) No. 1, one end of which is fixedly connected to a driving motor, the driving motor being installed in an installation box (5), one side of the center axis (801) No. 1 being rotatably installed on both sides of the inner wall of the processing groove (4), one end of each center axis (801) No. 1 being fixedly connected to a rotating plate (802), a connecting axis (803) being fixedly connected between each rotating plate (802), a transmission rod (804) being rotatably installed at both ends of the connecting axis (803), and an upper clamping block (10) being fixedly connected to the upper end of the transmission rod (804); The conveying and feeding assembly (13) comprises a sleeve (301), wherein the sleeve (301) is rotatably sleeved on the middle part of a No. 1 connecting shaft (803), a No. 2 transmission rod (302) is fixedly connected to one side of the sleeve (301), a connecting piece (303) is rotatably mounted on one end of the No. 2 transmission rod (302), and a No. 2 connecting shaft (304) is fixedly connected to one end of the connecting piece (303), and two No. 2 connecting shafts (304) are provided, and each No. 2 connecting shaft (304) is vertically arranged in the processing groove (4) up and down.

2. The cutting device for a sewage pipe according to claim 1, characterized in that, A mounting box (5) is fixedly connected to the middle of the lower surface of the processing table (1); a processing groove (4) is provided in the middle of the processing table (1) and the mounting box (5); T-shaped fixing plates (2) are fixedly connected to both sides of the upper surface of the processing table (1); each of the T-shaped fixing plates (2) is located on both sides of the processing groove (4); a limiting cylinder (3) is fixedly connected to the upper end of each of the T-shaped fixing plates (2); and supporting legs (6) are fixedly connected to both sides of the lower surface of the processing table (1).

3. The cutting device for a sewage pipe according to claim 2, wherein, The lower end of each support leg (6) is fixedly connected to a fixed bottom plate (7); a limited cutting assembly (8) is installed on one side of the inner wall of the processing groove (4); a lower clamping block (9) and an upper clamping block (10) are installed on the limited cutting assembly (8); a limited slot (11) is arranged in the middle of the lower clamping block (9) and the upper clamping block (10); a conveying and loading assembly (13) is installed on one side of the limited cutting assembly (8); mounting plates (12) are fixedly connected to both sides of the processing table (1); and the conveying and loading assembly (13) is installed between the mounting plates (12).

4. The cutting device for a sewage pipe according to claim 1, characterized in that, A No. 2 center shaft (805) is rotatably mounted in the middle of the No. 1 transmission rod (804), a triangular bracket (806) is rotatably mounted inside the No. 2 center shaft (805), a No. 1 rotating shaft (807) is fixedly connected to the lower end of the triangular bracket (806), torsion springs (808) are mounted at both ends of the No. 1 rotating shaft (807), the No. 1 rotating shaft (807) is rotatably mounted on the inner wall of the processing groove (4) through the torsion springs (808) at both ends, and an extension rod (809) is fixedly connected to one side of the two ends of the No. 1 rotating shaft (807).

5. The cutting device for a sewage pipe according to claim 4, characterized in that, A sliding rod (810) is fixedly connected to the upper end of each of the extension rods (809). An arc-shaped slide rail (811) is movably installed at one end of the sliding rod (810). Each of the arc-shaped slide rails (811) is fixedly connected to the inner wall of the processing groove (4). A lower clamping block (9) is fixedly connected to the upper end of the triangular bracket (806). The lower clamping block (9) cooperates with the upper clamping block (10). A support bottom plate (817) is fixedly connected to one side of each of the triangular brackets (806).

6. The cutting device for a sewage pipe according to claim 5, characterized in that, An electric push rod (816) is fixedly connected to the upper surface of the support bottom plate (817). The output shaft of the electric push rod (816) is fixedly connected to a loading plate (813). Two sliders (814) are fixedly connected to one side of the loading plate (813). A limiting plate (815) is installed on one side of each of the sliders (814). Each of the limiting plates (815) is fixedly connected to the side surface of the triangular bracket (806). A cutting knife (812) is fixedly connected to the upper surface of the loading plate (813).

7. The cutting device for a sewage pipe according to claim 1, characterized in that, Mounting sheet metals (307) are fixedly connected to both ends of each of the second connecting shafts (304). A second rotating shaft (308) is fixedly connected to one side of each of the mounting sheet metals (307). Each of the second rotating shafts (308) is rotatably installed on the inner wall of the processing groove (4). Sprockets (309) are fixedly sleeved on the two second rotating shafts (308) on the same side. A chain (310) is drivingly installed on each of the sprockets (309). Upper rubber sleeves (306) are fixedly connected to both ends of the upper second connecting shaft (304). Lower rubber sleeves (305) are fixedly connected to both ends of the lower second connecting shaft (304).

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