Abrasive cloth roll transfer device

Abstract

The utility model relates to the technical field of abrasive cloth roll transfer, in particular to an abrasive cloth roll transfer device which comprises a fixing plate and wheels arranged below the fixing plate, a fixing rod of an n-shaped structure is arranged above the fixing plate, and a locking mechanism is arranged on the fixing rod. The locking mechanism comprises a supporting rod, two cylinders arranged on the supporting rod, a supporting arm arranged between the two cylinders, a fixing shaft arranged on the side, away from the supporting rod, of the supporting arm, a spring arranged on the fixing shaft in a sleeving mode, and a fixing block arranged at the end, close to the supporting rod, of the fixing shaft. The supporting arm is installed on the supporting rod, a locking groove is formed in the top face of the supporting arm, the fixing block is located in the locking groove, a locking hole of a rectangular structure is formed in the end, away from the supporting rod, of the supporting arm, and the side face, close to the supporting rod, of the fixing block is obliquely arranged. According to the abrasive cloth roll transfer device, the abrasive cloth roll can be conveniently fixed, and the assembly operation of the abrasive cloth roll is simplified.

Description

Technical Field

[0001] This utility model relates to the field of abrasive cloth roll transfer technology, specifically to an abrasive cloth roll transfer device. Background Technology

[0002] Abrasive cloth is a widely used abrasive tool made by evenly bonding abrasive particles to a cloth or paper base with an adhesive. Because its base material is usually cloth, this abrasive product is called abrasive cloth. Due to its high durability, resistance to shedding abrasive particles, and foldability without breaking, abrasive cloth is widely used for polishing rust, paint, or burrs on workpiece surfaces, as well as for surface finishing. Therefore, abrasive cloth has become an indispensable and commonly used abrasive tool in industry and handicrafts. The production process of abrasive cloth is completed through a production line. The entire production process includes key steps such as unwinding the raw cloth, laying and tensioning the base cloth, applying a primer to the base cloth, applying the abrasive particles, and curing. The purpose of these steps is to prepare abrasive cloth material that is both tough and wear-resistant. After completing the above production process, the finished abrasive cloth material is wound onto a sleeve to form a roll of abrasive cloth for easy storage and transportation. This process not only facilitates the collection of the prepared abrasive cloth material, but also makes it easier to process the abrasive cloth material according to different specifications and uses, such as printing labels, slitting, cutting, and packaging. This ensures that the abrasive cloth can meet the market's demand for diversified abrasive cloth products by meeting different specifications and uses.

[0003] After the abrasive cloth rolls are wound onto the sleeve to form the finished product, the next step is to place them in a finished product transfer warehouse for storage or, according to delivery requirements, transfer them to a packaging and slitting workshop for shaping and packaging. This process requires the use of a transfer device. Handcarts are a common tool for transferring abrasive cloth rolls, moved manually by pushing and pulling the cart, thus moving the abrasive cloth placed on it. However, because the abrasive cloth rolls are cylindrical, they easily roll off the cart during movement. To prevent this, baffles are installed on the edges of the handcart to block the rolls and prevent them from rolling off. Although this design prevents the rolls from rolling off, in actual use, the rolls still sway from side to side during movement, causing the abrasive to fall off and affecting the overall quality of the roll. To solve this problem, a locking mechanism is introduced to secure the abrasive cloth rolls to the cart. While the locking mechanism effectively secures the abrasive cloth rolls, the locking and unlocking process is quite cumbersome, which undoubtedly slows down loading and unloading. Therefore, there is an urgent need to improve the existing problems in the transportation of abrasive cloth rolls, making it easier to secure them, simplifying the assembly process, and improving overall work efficiency. Summary of the Invention

[0004] To address the shortcomings of existing technologies, this utility model provides an abrasive cloth roll transfer device that facilitates fixing abrasive cloth rolls and simplifies the assembly operation of abrasive cloth rolls, thereby overcoming the deficiencies in existing technologies.

[0005] The technical solution adopted by this utility model is as follows: a sandpaper roll transfer device, including a fixed plate and wheels arranged below the fixed plate. An n-shaped fixed rod is arranged above the fixed plate, and a locking mechanism is arranged on the fixed rod. The locking mechanism includes a support rod, two cylinders arranged on the support rod, a support arm arranged between the two cylinders, a fixed shaft arranged on the side of the support arm away from the support rod, a spring mounted on the fixed shaft, a fixed block arranged at the end of the fixed shaft near the support rod, a locking block arranged at the other end of the fixed shaft, and a locking plate arranged on the side of the spring away from the support rod. The two cylinders are respectively mounted on both sides of the fixed rod. The support arm is mounted on the support rod. A locking groove is opened on the top surface of the support arm. The fixed block is located in the locking groove. A rectangular locking hole is opened at the end of the support arm away from the support rod. The locking hole is connected to the locking groove. One side of the locking block is fitted into the locking hole. The locking plate is installed in the locking hole. The fixed shaft is mounted on the locking plate. Both sides of the spring are in contact with the fixed block and the locking plate, respectively. The side of the fixed block near the support rod is inclined.

[0006] Preferably, the support rod is provided with four support arms, two of which are located on one side of the support rod and the other two are located on the other side of the support rod. The top of the support arm is provided with a through hole, which is fitted onto the support rod. The diameter of the through hole matches the diameter of the support rod. A connecting rod is provided below the through hole. The two ends of the connecting rod are respectively installed on the side walls of the two cylinders. The bottom of the support arm is in contact with the connecting rod.

[0007] Preferably, the sidewall of the cylinder and the side of the support arm near the support rod are respectively provided with threaded holes. The threaded holes of the cylinder are connected to the inner cavity of the cylinder, and the threaded holes of the support arm are connected to the through holes. Bolts are threaded into the threaded holes. The cylinder is clamped to the fixed rod by the bolts installed on the cylinder, and the support arm is clamped to the support rod by the bolts installed on the support arm.

[0008] Preferably, a fixing groove is provided on the fixing plate on one side of the fixing rod. The fixing groove is located on the top surface of the fixing plate. An L-shaped support plate is provided in the fixing groove. A hinge shaft is provided on the side of the support plate away from the fixing rod. A hinge hole is provided on the fixing plate, which is connected to the fixing groove. The hinge shaft is fitted into the hinge hole. The support plate is hinged to the fixing plate through the hinge shaft. A support groove is provided on the side of the support plate away from the fixing rod. A stop block is fitted in the support groove. The top of the stop block protrudes from the support groove and is installed on the fixing plate. A guide groove is provided on the top surface of the stop block. The height of the guide groove gradually increases along the direction away from the fixing plate. The vertical plate of the support plate is located between the stop block and the fixing rod.

[0009] Preferably, two baffles are vertically arranged on the fixing groove, and the two baffles are respectively installed on both sides of the fixing plate. The support plate is located between the two baffles, and the top of the baffles is located above the support plate. A handle is provided between the baffles and the support plate, and the handle is installed on the vertical plate of the support plate.

[0010] Preferably, a protective plate is provided on the side of the locking groove away from the support rod. The protective plate and the support arm are an integral structure. The spring is located below the protective plate. A sleeve hole is provided on the locking plate. The sleeve hole is fitted onto the fixed shaft. The diameter of the sleeve hole matches the diameter of the fixed shaft. A pull plate is provided on the outside of the locking block. One side of the pull plate is installed on the locking block.

[0011] Preferably, the bottom of the fixing rod is provided with a reinforcing rod, and the two ends of the reinforcing rod are respectively provided with reinforcing plates. The two sides of the reinforcing plates are respectively installed on the fixing rod and the reinforcing rod. The top of the fixing rod is provided with a fixing sleeve of elastic material, and the fixing sleeve is interference-fitted onto the fixing rod.

[0012] The advantages of this invention are as follows: First, the wheels allow for easy movement by pushing and pulling. The inclined side of the fixing block near the support rod locks the abrasive roll's shaft in a locking groove, effectively securing the abrasive roll and guiding its shaft in and out of the locking groove, thus improving the stability of loading and unloading the abrasive roll. Furthermore, the locking block and locking groove restrict the rotation of the fixing block, and springs tension both. Pulling the locking block out of the locking hole facilitates rotation, allowing for quick adjustment of the fixing block's inclined surface and simplifying the locking and unlocking operations, thereby simplifying the abrasive roll assembly process.

[0013] Secondly, this invention utilizes perforations in the support arm to eccentrically mount it onto the support rod, facilitating movement of the support arm along the rod and adjusting its support position to support abrasive rolls of varying widths. A connecting rod provides support and limitation for the support arm, further simplifying its use in supporting the abrasive roll. Furthermore, bolts are installed on the cylinder and support arm respectively, clamping the cylinder to the fixing rod and the support arm to the support rod. This allows for easy adjustment of the cylinder and support arm's fixed positions, facilitating adjustments to the support height and stability of the abrasive roll.

[0014] Furthermore, this invention utilizes a hinged support plate on the fixed plate to facilitate the formation of a placement area for the abrasive roll's sleeve using the horizontal plate of the support plate. The vertical plate and stop blocks of the support plate limit the abrasive roll's sleeve, preventing it from slipping during transport. By pulling and rotating the support plate, the top of the stop block engages with the support groove, allowing the sleeve placed on the support plate to be removed. Additionally, the invention incorporates two baffles, ensuring the sleeve placed on the support plate is positioned between them, preventing the abrasive roll's support shaft from slipping off the sides of the support plate. A handle is provided for easy pulling and rotation of the support plate. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of this utility model.

[0016] Figure 2 This is a schematic diagram illustrating the use of the sandpaper roll in this utility model.

[0017] Figure 3 for Figure 2 Enlarged diagram of point A in the middle.

[0018] Figure 4 This is a schematic diagram of the assembly of the cylinder and the support arm in this utility model.

[0019] Figure 5 This is a cross-sectional view of the assembly of the support arm and the fixing block in this utility model.

[0020] Figure 6 This is an exploded view of the assembly of the fixing plate and the support plate in this utility model. Detailed Implementation

[0021] like Figures 1 to 6As shown, a sandpaper roll transfer device includes a fixed plate 1 and wheels 2 disposed below the fixed plate 1. An n-shaped fixing rod 3 is disposed above the fixed plate 1, and a locking mechanism is provided on the fixing rod 3. The locking mechanism includes a support rod 4, two cylinders 5 disposed on the support rod 4, a support arm 6 disposed between the two cylinders 5, a fixed shaft 7 disposed on the side of the support arm 6 away from the support rod 4, a spring 8 mounted on the fixed shaft 7, a fixing block 9 disposed at one end of the fixed shaft 7 near the support rod 4, a locking block 10 disposed at the other end of the fixed shaft 7, and a locking plate 13 disposed on the side of the spring 8 away from the support rod 4. The two cylinders... 5 are respectively fitted on both sides of the fixed rod 3. The support arm 6 is installed on the support rod 4. The top surface of the support arm 6 is provided with a locking groove 11. The fixed block 9 is located in the locking groove 11. The end of the support arm 6 away from the support rod 4 is provided with a rectangular locking hole 12. The locking hole 12 is connected to the locking groove 11. One side of the locking block 10 is fitted into the locking hole 12. The shape of one side of the locking block 10 matches the shape of the locking hole 12. The locking plate 13 is installed in the locking hole 12. The fixed shaft 7 is fitted on the locking plate 13. The two sides of the spring 8 are in contact with the fixed block 9 and the locking plate 13 respectively. The fixed block 9 is inclined on the side near the support rod 4. The locking block 10 and locking hole 12 are used to restrict the rotation of the fixing block 9. The spring 8 is used to tension the fixing block 9 and the locking block 10. To this end, by pulling the other side of the locking block 10, the locking block 10 can be pulled out from the locking hole 12, thus facilitating the rotation of the locking block 10. By means of the connection of the fixing shaft 7, the fixing block 9 can be rotated to rotate the inclined surface of the fixing block 9, thus facilitating the adjustment of the use state of the fixing block 9. The use state of the fixing block 9 is divided into two types. In the locking state, the inclined surface of the fixing block 9 gradually rises along the direction close to the fixing rod 3, guiding... The inclined surface of the fixing block 9 gradually decreases along the direction close to the fixing rod 3. Therefore, when locking the sleeve of the abrasive roll, the sleeve of the abrasive roll is placed in the locking groove 11, so that the sleeve of the abrasive roll is squeezed by the inclined surface of the fixing block 9, thus constraining the sleeve of the abrasive roll in the locking groove 11. Conversely, when the sleeve of the abrasive roll is moved into or out of the locking groove 11, the inclined surface of the fixing block 9 is adjusted to gradually decrease along the direction close to the fixing rod 3, so that the sleeve of the abrasive roll is supported by the fixing block 9, thereby facilitating the movement of the sleeve of the abrasive roll into or out of the locking groove 11.

[0022] In this embodiment, the support rod 4 is provided with four support arms 6, two of which are located on one side of the support rod 4 and the other two on the other side. This allows two support arms 6 and the other two to support the two sides of the abrasive roll sleeves respectively. The top of the support arm 6 is provided with a through hole 14, which is fitted onto the support rod 4. The diameter of the through hole 14 matches the diameter of the support rod 4, so that the support arm 6 is eccentrically mounted on the support rod 4. This allows the support arm 6 to move along the support rod 4, thereby adjusting the support position of the support rod 4 to support abrasive rolls of different widths and to allow the support arm 6 to rotate around the support rod 4. A connecting rod 15 is provided below the through hole 14. The two ends of the connecting rod 15 are respectively installed on the side walls of the two cylinders 5. The bottom of the support arm 6 contacts the connecting rod 15, thereby restricting the rotation of the support arm 6 and supporting the support arm 6, thus using the support arm 6 to support the abrasive roll.

[0023] Preferably, threaded holes 16 are provided on the side wall of the cylinder 5 and on the side of the support arm 6 near the support rod 4. The threaded holes 16 of the cylinder 5 are connected to the inner cavity of the cylinder 5, and the threaded holes 16 of the support arm 6 are connected to the through holes 14. Bolts 17 are threaded into the threaded holes 16. The cylinder 5 is clamped to the fixed rod 3 by the bolts 17 installed on the cylinder 5, and the support arm 6 is clamped to the support rod 4 by the bolts 17 installed on the support arm 6. This facilitates the adjustment of the fixed positions of the cylinder 5 and the support arm 6, so as to facilitate the adjustment of the support height of the abrasive roll and the stability of the abrasive roll.

[0024] Please refer to it again. Figure 1 , 2 In section 6, a fixing groove 18 is provided on the fixing plate 1 on one side of the fixing rod 3. The fixing groove 18 is located on the top surface of the fixing plate 1. An L-shaped support plate 19 is provided in the fixing groove 18. A hinge shaft 20 is provided on the side of the support plate 19 away from the fixing rod 3. A hinge hole is provided on the fixing plate 1, which is connected to the fixing groove 18. The hinge shaft 20 is fitted into the hinge hole. The support plate 19 is hinged to the fixing plate 1 through the hinge shaft 20. A support groove 21 is provided on the side of the support plate 19 away from the fixing rod 3. A stop block 22 is fitted in the support groove 21. The top of the stop block 22 extends from... The support groove 21 extends outwards, and the stop block 22 is installed on the fixing plate 1. The top surface of the stop block 22 is provided with a guide groove 23. The height of the guide groove 23 gradually increases in the direction away from the fixing plate 1. The vertical plate of the support plate 19 is located between the stop block 22 and the fixing rod 3, thereby forming a placement area for the sleeve of the abrasive roll between the vertical plate of the support plate 19 and the stop block 22, so as to store the sleeve of the abrasive roll. When the sleeve of the abrasive roll needs to be removed, the support plate 19 is pulled and rotated so that the top of the stop block 22 enters the support groove 21, so as to facilitate the removal of the sleeve of the abrasive roll from the support plate 19.

[0025] Specifically, two baffles 24 are vertically arranged on the fixing groove 18. The two baffles 24 are respectively installed on both sides of the fixing plate 1. The support plate 19 is located between the two baffles 24. The top of the baffles 24 is located above the support plate 19, so that the sleeve shaft of the sandpaper roll placed on the support plate 19 is located between the two baffles 24 to prevent the sleeve shaft of the sandpaper roll from slipping off both sides of the support plate 19. A handle 25 is provided between the baffles 24 and the support plate 19. The handle 25 is installed on the vertical plate of the support plate 19, so that the support plate 19 can be rotated by pulling the handle 25.

[0026] In this embodiment, a protective plate 26 is provided on the side of the locking groove 11 away from the support rod 4. The protective plate 26 and the support arm 6 are an integral structure. The spring 8 is located below the protective plate 26, thereby protecting the spring 8 and preventing the sleeve shaft of the sandpaper roll from colliding with the spring 8. A sleeve hole is provided on the locking plate 13, which is fitted onto the fixed shaft 7. The diameter of the sleeve hole matches the diameter of the fixed shaft 7. A pull plate 27 is provided on the outer side of the locking block 10. One side of the pull plate 27 is installed on the locking block 10, so that the locking block 10 can be moved by pulling by holding the pull plate 27. The locking block 10 can be rotated by rotating the pull plate 27.

[0027] Please refer to it again. Figure 1 and 2 The bottom of the fixed rod 3 is provided with a reinforcing rod 28, and the two ends of the reinforcing rod 28 are respectively provided with reinforcing plates 29. The two sides of the reinforcing plates 29 are respectively installed on the fixed rod 3 and the reinforcing rod 28, thereby reinforcing the fixed rod 3. The top of the fixed rod 3 is provided with a fixing sleeve 30 of elastic material. The fixing sleeve 30 is interference fitted on the fixed rod 3. By holding the fixing sleeve 30, it is convenient to pull the fixed rod 3 to move it.

[0028] The instructions for using this product are as follows: Figures 1 to 6As shown, firstly, by holding the fixing sleeve 30 and performing a push-pull operation, the product is moved to the unloading area of ​​the abrasive cloth production line under the rolling action of the wheel 2. Then, by holding the pull plate 27 and pulling, the locking block 10 is pulled out of the locking hole 12. By rotating the pull plate 27, the locking block 10, the fixing shaft 7, and the fixing block 9 are rotated, so that the inclined surface of the fixing block 9 gradually decreases along the direction close to the fixing rod 3, so as to guide the sleeve shaft of the abrasive cloth roll from moving into the locking groove 11. Then, according to the length and thickness of the abrasive cloth roll to be transferred, the position of the cylinder 5 on the fixing rod 3 and the position of the support arm 6 on the support rod 4 are adjusted. By tightening the bolt 17, it is ensured that the cylinder 5 is clamped and fixed on the fixing rod 3 and the support arm 6 is clamped and fixed on the support rod 4. Next, place the sleeve of the abrasive roll on the top surface of the support arm 6 and push the sleeve to roll into the locking groove 11. Then, pull the locking block 10 out of the locking hole 12 by holding the pull plate 27. By rotating the pull plate 27, the locking block 10, the fixing shaft 7 and the fixing block 9 will rotate, so that the inclined surface of the fixing block 9 gradually rises along the direction close to the fixing rod 3, thereby locking the abrasive roll on the support arm 6, so as to facilitate the use of this product to carry the abrasive roll for transportation. After moving this product to the storage area or packaging and cutting area of ​​the abrasive roll, pull it by holding the pull plate 27 to pull the locking block 10 out of the locking hole 12. By rotating the pull plate 27, the locking block 10, the fixing shaft 7 and the fixing block 9 will rotate, so that the inclined surface of the fixing block 9 gradually decreases along the direction close to the fixing rod 3. By moving the sleeve shaft of the abrasive roll from the locking groove 11 to the top surface of the support arm 6, the abrasive roll can be removed, thus completing the transfer process of the abrasive roll.

[0029] In this embodiment, the wheel 2 allows for pushing and pulling to move the product. The fixing block 9 is tilted near the side of the support rod 4, so that the inclined surface of the fixing block 9 locks the abrasive roll in the locking groove 11, thereby effectively fixing the abrasive roll and guiding the abrasive roll into or out of the locking groove 11, thus improving the stability of loading and unloading the abrasive roll. Furthermore, the product restricts the rotation of the fixing block 9 through the locking block 10 and the locking groove 12, and the spring 8 tensions the fixing block 9 and the locking block 10. By pulling the locking block 10 out of the locking hole 12, it is easy to rotate the locking block 10, thereby quickly adjusting the orientation of the inclined surface of the fixing block 9, simplifying the locking and unlocking switching operation, and thus simplifying the assembly operation of the abrasive roll.

[0030] The embodiments described above are merely preferred embodiments of this utility model and are not intended to limit the scope of implementation of this utility model. Therefore, all equivalent changes or modifications made to the structure, features and principles described in the patent claims of this utility model should be included within the scope of the patent application of this utility model.

Claims

1. A sandpaper roll transfer device, comprising a fixing plate (1) and wheels (2) disposed below the fixing plate (1), characterized in that: An n-shaped fixing rod (3) is provided above the fixing plate (1), and a locking mechanism is provided on the fixing rod (3); The locking mechanism includes a support rod (4), two cylinders (5) mounted on the support rod (4), a support arm (6) between the two cylinders (5), a fixed shaft (7) on the side of the support arm (6) away from the support rod (4), a spring (8) mounted on the fixed shaft (7), a fixed block (9) on the end of the fixed shaft (7) near the support rod (4), a locking block (10) on the other end of the fixed shaft (7), and a locking plate (13) on the side of the spring (8) away from the support rod (4). The two cylinders (5) are respectively mounted on both sides of the fixed rod (3), and the support arm (6) is mounted on the support rod (4). On the top surface of the support arm (6), a locking groove (11) is provided. The fixing block (9) is located in the locking groove (11). A rectangular locking hole (12) is provided at the end of the support arm (6) away from the support rod (4). The locking hole (12) is connected to the locking groove (11). One side of the locking block (10) is fitted into the locking hole (12). The locking plate (13) is installed in the locking hole (12). The fixing shaft (7) is fitted onto the locking plate (13). The two sides of the spring (8) are in contact with the fixing block (9) and the locking plate (13) respectively. The fixing block (9) is inclined on the side near the support rod (4).

2. The abrasive cloth roll transfer device according to claim 1, characterized in that: The support rod (4) is provided with four support arms (6), two of which are located on one side of the support rod (4) and the other two are located on the other side of the support rod (4). The top of the support arm (6) is provided with a through hole (14), which is fitted onto the support rod (4). The diameter of the through hole (14) matches the diameter of the support rod (4). A connecting rod (15) is provided below the through hole (14). The two ends of the connecting rod (15) are respectively installed on the side walls of the two cylinders (5). The bottom of the support arm (6) is in contact with the connecting rod (15).

3. The abrasive cloth roll transfer device according to claim 2, characterized in that: The side wall of the cylinder (5) and the side of the support arm (6) near the support rod (4) are respectively provided with threaded holes (16). The threaded holes (16) of the cylinder (5) are connected to the inner cavity of the cylinder (5). The threaded holes (16) of the support arm (6) are connected to the through holes (14). The threaded holes (16) are threaded with bolts (17). The cylinder (5) is clamped on the fixed rod (3) by the bolts (17) installed on the cylinder (5). The support arm (6) is clamped on the support rod (4) by the bolts (17) installed on the support arm (6).

4. The abrasive cloth roll transfer device according to claim 1, characterized in that: A fixing groove (18) is provided on the fixing plate (1) on one side of the fixing rod (3). The fixing groove (18) is located on the top surface of the fixing plate (1). An L-shaped support plate (19) is provided in the fixing groove (18). A hinge shaft (20) is provided on the side of the support plate (19) away from the fixing rod (3). A hinge hole is provided on the fixing plate (1). The hinge hole is connected to the fixing groove (18). The hinge shaft (20) is fitted into the hinge hole. The support plate (19) is hinged through the hinge shaft (20). On the fixed plate (1), a support groove (21) is provided on the side of the support plate (19) away from the fixed rod (3). A stop block (22) is fitted inside the support groove (21). The top of the stop block (22) protrudes from the support groove (21). The stop block (22) is installed on the fixed plate (1). A guide groove (23) is provided on the top surface of the stop block (22). The height of the guide groove (23) gradually increases along the direction away from the fixed plate (1). The vertical plate of the support plate (19) is located between the stop block (22) and the fixed rod (3).

5. The abrasive cloth roll transfer device according to claim 4, characterized in that: Two baffles (24) are vertically arranged on the fixing groove (18). The two baffles (24) are respectively installed on both sides of the fixing plate (1). The support plate (19) is located between the two baffles (24). The top of the baffles (24) is located above the support plate (19). A handle (25) is provided between the baffles (24) and the support plate (19). The handle (25) is installed on the vertical plate of the support plate (19).

6. The abrasive cloth roll transfer device according to claim 1, characterized in that: The locking groove (11) is provided with a protective plate (26) on the side away from the support rod (4). The protective plate (26) and the support arm (6) are an integral structure. The spring (8) is located below the protective plate (26). The locking plate (13) is provided with a sleeve hole, which is fitted onto the fixed shaft (7). The diameter of the sleeve hole matches the diameter of the fixed shaft (7). The outer side of the locking block (10) is provided with a pull plate (27), and one side of the pull plate (27) is installed on the locking block (10).

7. The abrasive cloth roll transfer device according to claim 1, characterized in that: The bottom of the fixed rod (3) is provided with a reinforcing rod (28), and the two ends of the reinforcing rod (28) are respectively provided with reinforcing plates (29). The two sides of the reinforcing plates (29) are respectively installed on the fixed rod (3) and the reinforcing rod (28). The top of the fixed rod (3) is provided with a fixing sleeve (30) of elastic material, and the fixing sleeve (30) is interference fitted on the fixed rod (3).

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