A repair mechanism for clamping rollers

Abstract

This invention provides a repair mechanism for a clamping roller, comprising a clamping roller, a rotating and moving mechanism, and a repair mechanism. The clamping roller has a clamping roller boss on its side. The rotating and moving mechanism is connected to the clamping roller and drives its movement and rotation. The repair mechanism includes a fixing component, a planetary gear carrier, a clamping roller recess, a processing roller carrier, a processing roller, a gear, and a linkage rod. The planetary gear carrier is fixed to the inner wall of the fixing component, and the clamping roller recess is rotatably connected to the inner center of the fixing component. The clamping roller recess is engaged with the clamping roller boss, and the linkage rod is connected to the side of the clamping roller recess. The linkage rod is connected to the side of the processing roller carrier, and the gear and processing roller are rotatably connected inside the processing roller carrier, with the gear meshing with the planetary gear carrier. This invention enables the processing of the outer convex surface of the clamping roller when it does not meet the relevant process requirements for clamping a glass plate, thus avoiding the need to replace the clamping roller.

Description

Technical Field

[0001] This invention relates to the field of auxiliary equipment technology for liquid crystal glass production, specifically a repair mechanism for clamping rollers. Background Technology

[0002] Currently, domestic LCD glass substrates are mainly produced using the overflow method and the pull-down method. In the multi-roller clamping technology, the convex surfaces of the paired traction rollers contact and clamp the glass strip, and the drive unit drives the two rollers to rotate in opposite directions. The two traction rollers rotating in opposite directions exert a certain traction force on the glass strip through friction, thereby enabling the glass plate to reach the predetermined thickness.

[0003] In actual production, the convex surface of the traction roller is made of high-temperature resistant material through pressing and sintering. The traction roller relies on the friction between its convex surface and the glass strip to achieve the traction purpose. During the long-term clamping process of the glass strip, a dense surface layer will form on the convex surface of the traction roller. The formation of the dense surface layer will greatly reduce the friction coefficient of the convex surface of the clamping roller, thereby reducing the clamping and traction effect of the clamping roller on the glass strip. Summary of the Invention

[0004] In view of the shortcomings of the existing technology, the purpose of this invention is to provide a repair mechanism for clamping rollers, which can solve the existing problems.

[0005] To achieve the above objectives, the technical solution of the present invention is as follows:

[0006] This invention is achieved through the following technical solution: a repair mechanism for a clamping roller, comprising a clamping roller, a rotating and moving mechanism, and a repair mechanism, wherein the clamping roller has a clamping roller boss on its side; the rotating and moving mechanism is connected to the clamping roller and is used to drive the clamping roller to move and rotate; the repair mechanism includes a fixing component, a planetary gear carrier, a clamping roller recess, a processing roller carrier, a processing roller, a gear, and a linkage rod; the planetary gear carrier is fixed to the inner side wall of the fixing component, and the inner center of the fixing component is rotatably connected to... The device includes a clamping roller recess; the clamping roller recess is connected to the clamping roller boss, and a linkage rod is connected to the side of the clamping roller recess; a processing roller frame is connected to the side of the processing roller frame, and a gear and a processing roller are rotatably connected inside the processing roller frame, and the gear and the processing roller are connected, the gear meshing with a planetary gear carrier, the rotation of the clamping roller boss drives the rotation of the clamping roller recess, which in turn drives the linkage rod to rotate, and then the gear meshing with the planetary gear carrier drives the processing roller to rotate on its own axis and revolve within the planetary gear carrier to grind and repair the convex surface of the clamping roller.

[0007] Furthermore, the rotary movement mechanism includes a sliding component and a rotating component. The rotating component includes a servo motor, a clamping roller bearing seat, and a mounting shaft. The top end of the sliding component is provided with the servo motor and the clamping roller bearing seat. The output end of the servo motor is connected to the mounting shaft, and the mounting shaft passes through the clamping roller bearing seat. The end of the mounting shaft is connected to the clamping roller. The sliding component is used to drive the connected clamping roller to move back and forth and left and right.

[0008] Furthermore, the sliding component includes a first sliding assembly, a second sliding assembly, and a second sliding table. The first sliding assembly includes a first slide rail and a first slider. There are two first slide rails, and the top ends of the two first slide rails are slidably connected to the first slider. The second sliding assembly includes a first sliding table, a second slider, and a second slide rail. The top end of the first slider is provided with a first sliding table, and the top end of the first sliding table is fixed with the second slide rail. The top end of the second slide rail is slidably connected to the second slider, and the top end of the second slider is fixed with the second sliding table. A servo motor and a clamping roller bearing seat are installed on the top end of the second sliding table.

[0009] Furthermore, the fixing assembly includes a fixing frame, connecting rods, a mounting plate, and a connecting bracket; the mounting plate has a connecting bracket on its side, and the connecting bracket has a fixing frame fixed on its side; the fixing frame adopts a circular ring structure, and multiple connecting rods are fixed in a circular array inside the fixing frame; the clamping roller recess is rotatably connected to the connecting rods, and a planetary gear frame is fixed on the inner wall of the fixing frame.

[0010] Furthermore, the bottom end of the sliding member is provided with a base, and the top end of the base is provided with an outer protective cover; one end of the outer protective cover is rotatably connected to the base, and the other end of the outer protective cover is engaged with the base through a locking assembly; the outer protective cover is used to protect the repair.

[0011] Furthermore, the locking assembly includes a handle and a locking rod, and the side of the outer cover is provided with a locking hole; the locking rod is slidably connected inside the base, the locking rod is connected to the locking hole, and the side of the locking rod is fixed with a handle; the side of the base is provided with a sliding groove, and the handle is slidably connected to the sliding groove.

[0012] Furthermore, a flow channel is formed inside the outer protective cover; a dust inlet is opened on the side of the outer protective cover, and the dust inlet is connected to the flow channel; the flow channel is connected to the dust collection assembly through a connecting pipe.

[0013] Furthermore, the dust collection assembly includes a fan, a filter, a dust collection chamber, and a housing; the dust collection chamber is formed inside the housing and is connected to a flow channel through a connecting pipe; a filter is provided at the top of the dust collection chamber, and a fan is installed at the top of the dust collection chamber.

[0014] Furthermore, the outer protective cover adopts a semi-circular annular structure, and the cross-section of the filter screen adopts a "W" shaped structure.

[0015] Furthermore, the clamping roller boss has a central opening and two sloping structures at the ends; the clamping roller recess has a central protrusion and an inclined slope at the ends, and the clamping roller recess is engaged with the clamping roller boss.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] This invention provides a repair mechanism for clamping rollers, which can process the outer convex surface of the clamping roller when it does not meet the relevant process requirements for clamping glass plates, thus avoiding the need to replace the clamping roller. During processing, the invention transmits the rotation of the clamping roller to the processing roller frame through the engagement of the clamping roller boss and the clamping roller concave platform, causing the processing roller frame to rotate. The gears on the processing roller frame can mesh with the internal teeth of the planetary gear frame connected to the fixed component. When the clamping roller drives the processing roller frame to rotate, the processing roller rotates on its own axis. The processing roller rotates on its own axis while revolving around the central axis, thus completing the grinding process on the outer convex surface of the clamping roller.

[0018] The clamping roller boss and clamping roller concave part of the present invention are respectively provided with concave and convex guides to have a guiding function, so that the rotation axis of the clamping roller coincides with the rotation axis of the repair mechanism.

[0019] The present invention also includes an outer protective cover in conjunction with a dust collection component, which can collect the dust generated during the repair process, prevent the dust from contaminating the processing workshop, and provide protection during the repair process to avoid safety hazards. Attached Figure Description

[0020] The disclosure of this invention is illustrated with reference to the accompanying drawings. It should be understood that the drawings are for illustrative purposes only and are not intended to limit the scope of protection of this invention. In the drawings, the same reference numerals are used to refer to the same parts. Wherein:

[0021] Figure 1 This is a schematic diagram of the overall structure of a repair mechanism for a clamping roller according to the present invention;

[0022] Figure 2 This is a schematic diagram of the repair structure in an embodiment of the present invention;

[0023] Figure 3 This is a schematic diagram of the connection between the dust collection component, the outer protective cover, and the base in an embodiment of the present invention;

[0024] Figure 4 This is a partial structural schematic diagram of the rotating component in an embodiment of the present invention.

[0025] The diagram shows the following labels: 1. Sliding assembly one; 101. Slide rail one; 102. Slider one; 2. Sliding assembly two; 201. Slide table one; 202. Slider two; 203. Slide rail two; 3. Slide table two; 4. Servo motor; 5. Clamping roller bearing seat; 6. Mounting shaft; 7. Fixing frame; 8. Connecting frame; 9. Mounting plate; 10. Planetary gear frame; 11. Processing roller frame; 12. Processing roller; 13. Gear; 14. Clamping roller recess; 15. Clamping roller boss; 16. Linkage rod; 17. Connecting rod; 18. Base; 1801. Slide groove; 19. Outer cover; 1901. Locking hole; 1902. Flow channel; 1903. Dust inlet; 20. Handle; 2001. Locking rod; 21. Connecting pipe; 22. Fan; 23. Filter screen; 24. Dust collection chamber; 25. Outer shell; 26. Clamping roller. Detailed Implementation

[0026] It is readily understood that, based on the technical solution of this invention, those skilled in the art can propose various interchangeable structural methods and implementations without altering the essential spirit of the invention. Therefore, the following detailed embodiments and accompanying drawings are merely illustrative examples of the technical solution of this invention and should not be considered as the entirety of the invention or as limitations or restrictions on the technical solution of this invention.

[0027] A repair mechanism for clamping rollers, such as Figure 1 As shown, the device includes a clamping roller 26, a rotating moving mechanism, and a repair mechanism. The clamping roller 26 has a clamping roller boss 15 on its side. The rotating moving mechanism is connected to the clamping roller 26 and is used to drive the clamping roller 26 to move and rotate. Specifically, the rotating moving mechanism includes a sliding component and a rotating component. The rotating component includes a servo motor 4, a clamping roller bearing seat 5, and a mounting shaft 6. The top of the sliding component is provided with the servo motor 4 and the clamping roller bearing seat 5. The output end of the servo motor 4 is connected to the mounting shaft 6, and the mounting shaft 6 passes through the clamping roller bearing seat 5. Figure 4 As shown, the end of the mounting shaft 6 is connected to the clamping roller 26, and the sliding member is used to drive the connected clamping roller 26 to move back and forth and left and right. When the clamping roller 26 rotates, the servo motor 4 is started. When the servo motor 4 is started, it can drive the mounting shaft 6 to rotate, and then drive the clamping roller 26 and the clamping roller boss 15 to rotate through the mounting shaft 6.

[0028] The sliding component includes a sliding assembly 1, a sliding assembly 2, and a sliding table 3. The sliding assembly 1 includes a slide rail 101 and a slider 102. There are two slide rails 101, and the top ends of the two slide rails 101 are slidably connected to the slider 102. The sliding assembly 2 includes a sliding table 201, a slider 202, and a slide rail 203. The top end of the slider 102 is provided with a slide table 201, and the top end of the slide table 201 is fixed with the slide rail 203. The top end of the slide rail 203 is slidably connected to the slider 202, and the top end of the slider 202 is fixed with the slide table 203. A servo motor 4 and a clamping roller bearing seat 5 are installed on the top end of the slide table 203. When the second sliding table 3 moves left and right, it can drive the second slider 202 to move on the second slide rail 203, thereby driving the clamping roller 26 to move left and right; when the second sliding table 3 moves back and forth, it can drive the first slider 102 to move back and forth on the first slide rail 101.

[0029] The repair mechanism includes a fixing component, a planetary gear carrier 10, a clamping roller recess 14, a processing roller carrier 11, a processing roller 12, a gear 13, and a linkage rod 16; as shown Figure 2 As shown, a planetary gear carrier 10 is fixed to the inner wall of the fixing assembly, and a clamping roller recess 14 is rotatably connected to the inner center of the fixing assembly; the clamping roller recess 14 is engaged with the clamping roller boss 15. Specifically, the clamping roller boss 15 has a central opening and two inclined structures at the ends; the clamping roller recess 14 has a central protrusion and inclined slopes at the ends, and the clamping roller recess 14 can engage with the clamping roller boss 15; a linkage rod 16 is connected to the side of the clamping roller recess 14; the side of the linkage rod 16 is connected to the processing roller carrier 11, and a gear 13 and a processing roller 12 are rotatably connected inside the processing roller carrier 11, and the gear 13 and the processing roller 12 are connected, with the gear 13 meshing with the planetary gear carrier 10; the clamping roller recess 14 is engaged ... The rotation of the roller holding boss 15 drives the rotation of the clamping roller concave 14, which in turn drives the linkage rod 16 to rotate. This, in turn, drives the processing roller 12 to rotate and revolve within the planetary gear carrier 10 via the meshing of the gear 13. This process polishes and repairs the convex surface of the clamping roller 26. Specifically, when the servo motor 4 is started, its output can drive the mounting shaft 6 to rotate. Through the engagement of the clamping roller boss 15 and the clamping roller concave 14, the processing roller carrier 11 revolves around the axis of the mounting shaft 6. As the processing roller carrier 11 revolves, it also drives the gear 13 and the processing roller 12 to revolve. The gear 13 meshes with the planetary gear carrier 10. While revolving around the axis of the mounting shaft 6, the gear 13 also rotates around its own axis and drives the processing roller 12 to rotate, thus processing the convex surface of the clamping roller 26.

[0030] The fixing assembly includes a fixing frame 7, connecting rods 17, mounting plate 9, and connecting bracket 8; the mounting plate 9 has a connecting bracket 8 on its side, and the connecting bracket 8 has a fixing frame 7 fixed on its side; the fixing frame 7 adopts a ring structure, and multiple connecting rods 17 are fixed in a ring array inside the fixing frame 7; the clamping roller recess 14 is rotatably connected to the connecting rods 17, and a planetary gear carrier 10 is fixed on the inner wall of the fixing frame 7.

[0031] To reduce dust during repair and enhance safety, the sliding component has a base 18 at its bottom and an outer cover 19 at its top. One end of the outer cover 19 is rotatably connected to the base 18, and the other end of the outer cover 19 engages with the base 18 via a locking assembly. The outer cover 19 protects the repair process. Specifically, the locking assembly includes a handle 20 and a locking rod 2001. The outer cover 19 has a locking hole 1901 on its side. The locking rod 2001 is slidably connected inside the base 18, engaging with the locking hole 1901, and the handle 20 is fixed to the side of the locking rod 2001. A groove 1801 is formed on the side of the base 18, and the handle 20 is slidably connected to the groove 1801. When the outer cover 19 is closed on the top of the base 18, the locking rod 2001 is moved by the handle 20, so that the locking rod 2001 is inserted into the locking hole 1901, thereby fixing the closed state of the outer cover 19.

[0032] To collect the dust generated during repair, a flow channel 1902 is formed inside the outer protective cover 19; a dust inlet 1903 is opened on the side of the outer protective cover 19, and the dust inlet 1903 is connected to the flow channel 1902; the flow channel 1902 is connected to the dust collection assembly through a connecting pipe 21. The dust collection assembly includes a fan 22, a filter 23, a dust collection chamber 24, and a housing 25, as shown below. Figure 3 As shown; the interior of the outer shell 25 forms a dust collection chamber 24, and the dust collection chamber 24 is connected to the flow channel 1902 through the connecting pipe 21; a filter screen 23 is provided at the top of the dust collection chamber 24, and a fan 22 is installed at the top of the dust collection chamber 24. The outer protective cover 19 adopts a semi-circular annular structure, and the cross-section of the filter screen 23 adopts a "W" shaped structure to facilitate the filtration and collection of dust. When repairing the clamping roller 26, the fan 22 is started. When the fan 22 is started, it can generate negative pressure, and the generated dust is collected in the dust collection chamber 24 through the dust inlet 1903, the flow channel 1902, and the connecting pipe 21.

[0033] In use, the present invention first uses a sliding member to engage the clamping roller boss 15 with the clamping roller recess 14. For example, if the clamping roller boss 15 needs to move left or right, the second sliding block 3 moves left or right. During this movement, the second sliding block 3 drives the second slider 202 to move on the second slide rail 203, thus moving the clamping roller 26 left or right. If the clamping roller boss 15 needs to move forward or backward, the second sliding block 3 moves forward or backward. During this movement, the second sliding block 3 drives the first slider 102 to move forward or backward on the first slide rail 101. Once the clamping roller boss 15 and the clamping roller recess 14 are engaged, the servo motor 4 is started. When the servo motor 4 is started, its output... The end can drive the mounting shaft 6 to rotate, and through the engagement of the clamping roller boss 15 and the clamping roller recess 14, it drives the processing roller frame 11 to revolve around the axis of the mounting shaft 6. While the processing roller frame 11 revolves, it drives the gear 13 and the processing roller 12 to revolve as well. The gear 13 meshes with the planetary gear carrier 10. While revolving around the axis of the mounting shaft 6, the gear 13 rotates around its own axis and drives the processing roller 12 to rotate, thus processing the convex surface of the clamping roller 26. At the same time, the fan 22 is started. When the fan 22 is started, it can generate negative pressure, and the dust generated is collected in the dust collection chamber 24 through the dust inlet 1903, the flow channel 1902, and the connecting pipe 21.

[0034] This invention provides a repair mechanism for clamping rollers, which can process the outer convex surface of the clamping roller when it does not meet the relevant process requirements for clamping glass plates, thus avoiding the need to replace the clamping roller. During processing, the invention transmits the rotation of the clamping roller to the processing roller frame through the engagement of the clamping roller boss and the clamping roller concave platform, causing the processing roller frame to rotate. The gears on the processing roller frame can mesh with the internal teeth of the planetary gear frame connected to the fixed component. When the clamping roller drives the processing roller frame to rotate, the processing roller rotates on its own axis. The processing roller rotates on its own axis while revolving around the center of the revolution, thus completing the grinding process on the outer convex surface of the clamping roller. When not in operation, the processing component can rotate around the side wall mount to move to the standby position.

[0035] The clamping roller boss and clamping roller concave part of the present invention are respectively provided with concave and convex guides to have a guiding function, so that the rotation axis of the clamping roller coincides with the rotation axis of the repair mechanism.

[0036] The present invention also includes an outer protective cover in conjunction with a dust collection component, which can collect the dust generated during the repair process, prevent the dust from contaminating the processing workshop, and provide protection during the repair process to avoid safety hazards.

[0037] In the description of this invention, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," and "counterclockwise," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0038] In the description of this patent, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "setting" should be interpreted broadly. For example, they can refer to a fixed connection or setting, a detachable connection or setting, or an integral connection or setting. Those skilled in the art can understand the specific meaning of the above terms in this patent according to the specific circumstances.

[0039] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this invention, "a number" means two or more, unless otherwise explicitly specified.

[0040] The technical scope of this invention is not limited to the content described above. Those skilled in the art can make various modifications and variations to the above embodiments without departing from the technical concept of this invention, and all such modifications and variations should fall within the protection scope of this invention.

Claims

1. A repair mechanism for a clamping roller, characterized in that: The system includes a clamping roller (26), a rotating moving mechanism, and a repair mechanism. The clamping roller (26) has a clamping roller boss (15) on its side. The rotating moving mechanism is connected to the clamping roller (26) and is used to drive the clamping roller (26) to move and rotate. The repair mechanism includes a fixing component, a planetary gear carrier (10), a clamping roller recess (14), a processing roller carrier (11), a processing roller (12), a gear (13), and a linkage rod (16). The planetary gear carrier (10) is fixed to the inner wall of the fixing component, and the clamping roller recess (14) is rotatably connected to the inner center of the fixing component. The clamping roller recess (14) is engaged with the clamping roller boss (15). 5) The side of the clamping roller recess (14) is connected to the linkage rod (16); the side of the linkage rod (16) is connected to the processing roller frame (11), and the processing roller frame (11) is rotatably connected to the gear (13) and the processing roller (12), and the gear (13) and the processing roller (12) are connected. The gear (13) meshes with the planetary gear frame (10). The rotation of the clamping roller boss (15) drives the clamping roller recess (14) to rotate, thereby driving the linkage rod (16) to rotate. Then, the gear (13) meshes with the planetary gear frame (10) to drive the processing roller (12) to rotate and revolve within the planetary gear frame (10) to grind and repair the outer convex surface of the clamping roller (26).

2. The repair mechanism for a clamping roller according to claim 1, characterized in that: The rotating movement mechanism includes a sliding component and a rotating component. The rotating component includes a servo motor (4), a clamping roller bearing seat (5), and a mounting shaft (6). The top end of the sliding component is provided with the servo motor (4) and the clamping roller bearing seat (5). The output end of the servo motor (4) is connected to the mounting shaft (6), and the mounting shaft (6) passes through the clamping roller bearing seat (5). The end of the mounting shaft (6) is connected to the clamping roller (26). The sliding component is used to drive the connected clamping roller (26) to move back and forth and left and right.

3. The repair mechanism for a clamping roller according to claim 2, characterized in that: The sliding component includes a sliding assembly one (1), a sliding assembly two (2), and a sliding table two (3). The sliding assembly one (1) includes a slide rail one (101) and a slider one (102). There are two slide rails one (101), and the top ends of the two slide rails one (101) are slidably connected to slider one (102). The sliding assembly two (2) includes a sliding table one (201), a slider two (202), and a slide rail two (203). The top end of the slider one (102) is provided with a slide table one (201), and the top end of the slide table one (201) is fixed with a slide rail two (203). The top end of the slide rail two (203) is slidably connected with a slider two (202), and the top end of the slider two (202) is fixed with a slide table two (3). The top end of the slide table two (3) is equipped with a servo motor (4) and a clamping roller bearing seat (5).

4. The repair mechanism for a clamping roller according to claim 1, characterized in that: The fixing assembly includes a fixing frame (7), a connecting rod (17), a mounting plate (9), and a connecting frame (8); the mounting plate (9) has a connecting frame (8) on its side, and the connecting frame (8) is fixed to the side of the connecting frame (8); the fixing frame (7) adopts a ring structure, and multiple connecting rods (17) are fixed in a ring array inside the fixing frame (7); the clamping roller recess (14) is rotatably connected to the connecting rod (17), and a planetary gear carrier (10) is fixed to the inner wall of the fixing frame (7).

5. A repair mechanism for a clamping roller according to claim 3, characterized in that: The bottom end of the sliding member is provided with a base (18), and the top end of the base (18) is provided with an outer cover (19); one end of the outer cover (19) is rotatably connected to the base (18), and the other end of the outer cover (19) is engaged with the base (18) through a locking assembly; the outer cover (19) is used to protect the repair.

6. A repair mechanism for a clamping roller according to claim 5, characterized in that: The locking assembly includes a handle (20) and a locking rod (2001). The outer cover (19) has a locking hole (1901) on its side. The locking rod (2001) is slidably connected inside the base (18). The locking rod (2001) is connected to the locking hole (1901), and the handle (20) is fixed to the side of the locking rod (2001). The base (18) has a sliding groove (1801) on its side, and the handle (20) is slidably connected to the sliding groove (1801).

7. A repair mechanism for a clamping roller according to claim 6, characterized in that: The outer cover (19) forms a flow channel (1902) inside; a dust inlet (1903) is opened on the side of the outer cover (19), and the dust inlet (1903) is connected to the flow channel (1902); the flow channel (1902) is connected to the dust collection assembly through a connecting pipe (21).

8. A repair mechanism for a clamping roller according to claim 7, characterized in that: The dust collection assembly includes a fan (22), a filter (23), a dust collection chamber (24), and a housing (25); the dust collection chamber (24) is formed inside the housing (25), and the dust collection chamber (24) is connected to the flow channel (1902) through a connecting pipe (21); the top of the dust collection chamber (24) is provided with a filter (23), and the top of the dust collection chamber (24) is equipped with a fan (22).

9. A repair mechanism for a clamping roller according to claim 8, characterized in that: The outer protective cover (19) adopts a semi-circular ring structure, and the cross-section of the filter (23) adopts a "W" shaped structure.

10. A repair mechanism for a clamping roller according to claim 1, characterized in that: The clamping roller boss (15) has a central opening and two sloping structures at the ends; the clamping roller recess (14) has a central protrusion and an inclined slope at the ends, and the clamping roller recess (14) is engaged with the clamping roller boss (15).

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