Automatic feeding device on abrasive paper cutting machine

By designing an automatic feeding device on the sandpaper cutting machine, using elastic limit diversion ring and buffer-type rotating feeding roller, the problems of uneven winding of sandpaper gauze and material running are solved, and the stability and efficiency of feeding are improved. Different cutting equipment.

CN222348304UActive Publication Date: 2025-01-14HUBEI ZEXING TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202323592797.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2023-12-27
Publication Date
2025-01-14
Estimated Expiration
2033-12-27

AI Technical Summary

Technical Problem

The existing sandpaper cutting machine lacks a limit structure at both ends, resulting in uneven winding and skewed stacking of sandpaper gauzes, which affects the feeding effect. The lack of a press roller limit structure causes the sandpaper gauze to run around when the feeding and cutting equipment are in contact. , reduce work efficiency.

Method used

An automatic feeding device including a seat table, unwinding roller, tension roller and limit guide ring ring is designed to realize the movement of limit guide ring ring through the elasticity of the third spring, avoiding the skew of the sandpaper gauze and swinging The cooperation between the frame and the movable shaft uses the second spring to achieve buffer rotation, ensuring stable downward pressure on the sandpaper gauze by the feeding roller and preventing material from running away.

Benefits of technology

The uniform feeding and stability of sandpaper gauze is achieved, uneven winding and skewed stacking are avoided, the efficiency and stability of feeding are improved, and the height of the lifting table and workbench is adjusted to adapt to the use of different cutting equipment.

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Abstract

The utility model discloses an automatic feeding device on an abrasive paper cutting machine, which comprises a seat stand, an unwinding roller, a tensioning roller wheel and a limit dredging ring, a lifting platform is arranged at the top of the seat stand, a working platform is fixed at the top of the lifting platform, a first support frame is fixed at one end of the top of the working platform, the unwinding roller is connected in the top of the first support frame, and the tensioning roller wheel is connected in the top of the first support frame. A second rotation driving mechanism is arranged at one end of the unwinding roller and installed on one side of the top of the first supporting frame, a supporting seat is fixed to the top of the workbench, a first spring is connected into the supporting seat, and the supporting seat is connected with a third supporting frame through the first spring. The limiting and dredging ring can slide and move repeatedly along the outer surfaces of the two ends of the unwinding roller and the outer surfaces of the two ends of the tensioning roller through the elasticity of the third spring, the two end sides of the wound abrasive paper and gauze can be limited and dredged, and the situation that unwinding is skewed and uneven in the feeding process, and the stability of follow-up feeding is affected is avoided.
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Description

Technical Field

[0001] The utility model relates to the technical field of sandpaper gauze manufacturing, in particular to an automatic feeding device on a sandpaper cutting machine. Background Art

[0002] Sandpaper is commonly known as sandpaper. It is a material for grinding. It is used to grind the surfaces of metals, wood, etc. to make them smooth and clean. It is usually made by gluing various grinding grains on base paper. According to different grinding materials, there are many types of sandpaper, such as corundum paper, artificial corundum paper, and glass sandpaper. Dry sandpaper (wood sandpaper) is used to polish the surface of wood and bamboo. Water-resistant sandpaper (water sandpaper) is used to polish the surface of metal or non-metallic workpieces in water or oil. Emery cloth is a cloth or paper ring cloth coated with abrasives. Emery cloth has high wear resistance and is mainly used for hardware processing in factories and mines. Sandpaper, according to different abrasives, has many types of sandpaper, such as corundum paper, artificial corundum paper, brown corundum sandpaper, calcined brown corundum sandpaper, etc. The paper base of sandpaper includes kraft paper, Finnish paper, latex paper, polyester film, etc. According to the use of sandpaper, there are dry sandpaper (wood sandpaper) for polishing wood and bamboo surfaces and water-resistant sandpaper (water sandpaper) for polishing metal or non-metal surfaces in water or oil. In the production process of punching, cutting and other operations of sandpaper, most manufacturers currently use roller mechanisms to feed sandpaper.

[0003] The outer surfaces of both ends of the existing feeding roller lack limiting structures, and the sandpaper gauze being fed cannot be limited and guided on both ends, resulting in uneven winding and skewed stacking of the sandpaper gauze on the roller during feeding, affecting the neatness of feeding to the cutting equipment.

[0004] Secondly, there is a lack of pressure roller limiting structure at the entrance of the feeding and cutting equipment, which leads to the problem of sandpaper and gauze running around at the contact position between the feeding and cutting equipment, affecting the feeding work efficiency and urgently needs to be developed. Utility Model Content

[0005] The purpose of the utility model is to provide an automatic feeding device for a sandpaper cutting machine to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an automatic feeding device on a sandpaper cutting machine, comprising a seat, a reeling roller, a tensioning roller and a limit guiding ring, a lifting platform is arranged on the top of the seat, a workbench is fixed on the top of the lifting platform, a first support frame is fixed on one end of the top of the workbench, an unwinding roller is connected to the top of the first support frame, a second rotating drive mechanism is arranged on one end of the unwinding roller and installed on the side of the top of the first support frame, a support seat is fixed on the top of the workbench, a first spring is connected to the inside of the support seat, the support seat is connected to the third support frame through the first spring, a tensioning roller is connected to the top of the third support frame, two ends of the unwinding roller and the tensioning roller are symmetrically fixed to the inner limited edge of the first support frame and the third support frame respectively, the side of the limited edge is connected to the limited guiding ring through the third spring, and the limited guiding ring is movably arranged outside the end of the unwinding roller and the tensioning roller.

[0007] Preferably, a first movable groove is connected in the middle of the base, first limiting sliding grooves are symmetrically connected on both sides of the first movable groove, a first rotating drive mechanism is installed at the bottom of the first movable groove, and a screw is connected to the top of the first rotating drive mechanism.

[0008] Preferably, the outside of the screw rod is movably connected to a lifting cylinder, the two sides of the outside of the lifting cylinder are connected to a first limiting slider, the first limiting slider is slidably connected to the first limiting sliding groove, and the top of the lifting cylinder is fixedly connected to the lifting platform.

[0009] Preferably, an assembly plate is symmetrically fixed to one end of the lifting platform, and assembly fastening holes are connected at equal intervals inside the assembly plate.

[0010] Preferably, a second support frame is connected to the top of the workbench and is located between the first support frame and the support seat, and a material guide roller is connected to the top of the second support frame.

[0011] Preferably, a fourth support frame is symmetrically fixed to the top of the workbench, the outer sides of the two fourth support frames are connected to the second movable grooves, the interiors of the two second movable grooves are movably connected to a swing frame through a movable shaft, and the top of the swing frame is connected to the top of the second movable groove through a second spring.

[0012] Preferably, second limiting sliding blocks are symmetrically fixed on both sides of the third support frame, second limiting sliding grooves are symmetrically connected on both sides inside the support seat, and the second limiting sliding blocks are slidably connected to the second limiting sliding grooves.

[0013] Preferably, a feed roller is internally connected to one end of the swing frame, and a third rotation drive mechanism is installed at one end of the feed roller.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] (1) The automatic feeding device on the sandpaper cutting machine can realize the limit and guide ring by utilizing the elasticity of the third spring to slide repeatedly along the outer surfaces of both ends of the unwinding roller and the tensioning roller, so as to limit and guide the two ends of the rolled sandpaper gauze, thereby avoiding the unwinding being skewed and uneven during feeding, which affects the stability of subsequent feeding;

[0016] (2) The automatic feeding device on the sandpaper cutting machine uses a movable shaft on the swing frame and cooperates with the elasticity of the second spring to realize repeated buffering rotation in the second movable groove, so that the feeding roller can press down the sandpaper gauze being fed, wherein the feeding roller is driven to rotate by the third rotating drive mechanism, and the sandpaper gauze can be stably fed to prevent the problem of material leakage;

[0017] (3) The automatic feeding device on this type of sandpaper cutting machine realizes that the auxiliary connected lifting cylinder moves stably up and down along the screw by cooperating with the screw in the first rotating drive mechanism and the first limiting slider sliding along the first limiting slide groove, which is used to adjust the height position of the lifting platform and the workbench, adjust the assembly position of the assembly plate and the end of the cutting equipment, and cooperate with the installation of fastening screws to assemble and fix the assembly plate, thereby improving the practicality of the device and being suitable for use with cutting equipment of different height specifications. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the front view structure of the utility model;

[0019] Figure 2 For this utility model Figure 1 The enlarged structural diagram at A in the middle;

[0020] Figure 3 For this utility model Figure 1 The enlarged structural diagram at B in the middle;

[0021] Figure 4 This is a schematic diagram of the top view structure of the utility model;

[0022] Figure 5 It is a schematic diagram of a top view of the structure in which the unwinding roller and the tensioning roller of the utility model are respectively connected to the first support frame, the third support frame and the limiting and guiding ring.

[0023] In the figure: 1. base; 2. first movable groove; 3. first limit slide groove; 4. first rotary drive mechanism; 5. screw; 6. lifting cylinder; 7. first limit slide block; 8. lifting platform; 9. assembly plate; 10. assembly fastening hole; 11. workbench; 12. first support frame; 13. second rotary drive mechanism; 14. second support frame; 15. guide roller; 16. third support frame; 17. limit edge; 18. fourth support frame; 19. swing frame; 20. third rotary drive mechanism; 21. feed roller; 22. second limit slide block; 23. first spring; 24. support seat; 25. second limit slide groove; 26. second movable groove; 27. movable shaft; 28. second spring; 29. ​​unwinding roller; 30. tensioning roller; 31. third spring; 32. limit guide ring. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figure 1-5 The utility model provides an embodiment: an automatic feeding device on a sandpaper cutting machine, comprising a base 1, a reeling roller 29, a tensioning roller 30 and a limit guide ring 32, a lifting platform 8 is arranged on the top of the base 1, a workbench 11 is fixed on the top of the lifting platform 8, a second support frame 14 is connected to the top of the workbench 11 and is located between the first support frame 12 and the support seat 24, and a guide roller 15 is connected to the top of the second support frame 14;

[0026] A first support frame 12 is fixed to one end of the top of the workbench 11, a reeling roller 29 is connected to the top of the first support frame 12, a second rotary drive mechanism 13 is installed at one end of the reeling roller 29 and on one side of the top of the first support frame 12, a support seat 24 is fixed to the top of the workbench 11, a first spring 23 is connected to the inside of the support seat 24, the support seat 24 is connected to the third support frame 16 through the first spring 23, second limiting sliders 22 are symmetrically fixed to both sides of the third support frame 16, second limiting slide grooves 25 are symmetrically connected to both sides of the support seat 24, and the second limiting slider 22 is slidably connected to the second limiting slide groove 25;

[0027] A tensioning roller 30 is connected to the top of the third support frame 16, and the two ends of the unwinding roller 29 and the tensioning roller 30 are symmetrically fixed to the inner limited edge 17 of the first support frame 12 and the third support frame 16 respectively. The side of the limited edge 17 is connected to the limited guide ring 32 through the third spring 31. The limited guide ring 32 is movably arranged outside the ends of the unwinding roller 29 and the tensioning roller 30. The elasticity of the third spring 31 is utilized to realize that the limited guide ring 32 can slide repeatedly along the outer surfaces of the two ends of the unwinding roller 29 and the tensioning roller 30, which can play a role in limiting and guiding the two ends of the rolled sandpaper gauze to avoid skewed and uneven unwinding during feeding.

[0028] A first movable groove 2 is connected to the middle of the base 1, and first limiting sliding grooves 3 are symmetrically connected to both sides of the first movable groove 2. A first rotating drive mechanism 4 is installed at the bottom of the first movable groove 2, and a screw 5 is connected to the top of the first rotating drive mechanism 4.

[0029] The outside of the screw rod 5 is movably connected to a lifting cylinder 6 , and the two sides of the outside of the lifting cylinder 6 are connected to first limit sliders 7 , the first limit sliders 7 are slidably connected to the first limit sliding groove 3 , and the top of the lifting cylinder 6 is fixedly connected to the lifting platform 8 .

[0030] An assembly plate 9 is symmetrically fixed at one end of the lifting platform 8, and assembly fastening holes 10 are evenly spaced inside the assembly plate 9. The first rotary drive mechanism 4 cooperates with the screw 5 and the first limiting slider 7 to slide along the first limiting slide groove 3 to achieve the auxiliary connected lifting cylinder 6 to stably move up and down along the screw 5, which is used to adjust the height position of the lifting platform 8 and the workbench 11, and adjust the assembly position of the assembly plate 9 and the end of the cutting equipment.

[0031] A fourth support frame 18 is symmetrically fixed to the top of the workbench 11, and the outer sides of the two fourth support frames 18 are connected to the second movable groove 26. The interiors of the two second movable grooves 26 are movably connected to a swing frame 19 through a movable shaft 27. The top of the swing frame 19 is connected to the top of the second movable groove 26 through a second spring 28. The swing frame 19 uses the movable shaft 27 and cooperates with the elasticity of the second spring 28 to achieve repeated buffering rotation in the second movable groove 26, so that the feed roller 21 can press down on the sandpaper gauze being fed.

[0032] A feeding roller 21 is internally connected to one end of the swing frame 19 , and a third rotation driving mechanism 20 is installed at one end of the feeding roller 21 .

[0033] When the embodiment of the present application is in use: the first rotary drive mechanism 4 cooperates with the screw rod 5 and the first limit sliding block 7 to slide along the first limit sliding groove 3 to realize the auxiliary connected lifting cylinder 6 to stably move up and down along the screw rod 5, which is used to adjust the height position of the lifting platform 8 and the workbench 11, adjust the assembly position of the assembly plate 9 and the end of the cutting equipment, cooperate with the installation of the fastening screws and the assembly plate 9 to assemble and fix the connection, and utilize the elasticity of the third spring 31 to realize the limit and guide ring 32 which can slide repeatedly along the outer surfaces of the two ends of the unwinding roller 29 and the tensioning roller 30, which can play a role in limiting and guiding the two end sides of the wound sandpaper gauze, and the swing frame 19 uses the movable shaft 27 and cooperates with the elasticity of the second spring 28 to realize repeated buffering rotation in the second movable groove 26, so that the feeding roller 21 can press down on the feeding sandpaper gauze.

Claims

1. An automatic feeding device on a sandpaper cutting machine, characterized in that: The invention comprises a base (1), an unwinding roller (29), a tensioning roller (30) and a limit guiding ring (32); a lifting platform (8) is arranged on the top of the base (1); a working table (11) is fixed on the top of the lifting platform (8); a first support frame (12) is fixed on one end of the top of the working table (11); an unwinding roller (29) is connected to the top of the first support frame (12); a second rotating driving mechanism (13) is arranged on one end of the unwinding roller (29) and on one side of the top of the first support frame (12); a supporting seat (24) is fixed on the top of the working table (11); A first spring (23) is connected inside, and the support seat (24) is connected to a third support frame (16) through the first spring (23). A tensioning roller (30) is connected to the top of the third support frame (16). The two ends of the unwinding roller (29) and the tensioning roller (30) are symmetrically fixed to the inner limited edge (17) of the first support frame (12) and the third support frame (16), respectively. The side of the limited edge (17) is connected to a limited guide ring (32) through a third spring (31). The limited guide ring (32) is movably arranged outside the ends of the unwinding roller (29) and the tensioning roller (30).

2. The automatic feeding device for a sandpaper cutting machine according to claim 1, characterized in that: A first movable groove (2) is connected in the middle of the seat (1), first limiting sliding grooves (3) are symmetrically connected on both sides of the first movable groove (2), a first rotating drive mechanism (4) is installed at the bottom of the first movable groove (2), and a screw rod (5) is connected to the top of the first rotating drive mechanism (4).

3. The automatic feeding device for a sandpaper cutting machine according to claim 2, characterized in that: The screw rod (5) is movably connected to a lifting cylinder (6) on the outside, and first limit sliders (7) are connected to the two sides of the outside of the lifting cylinder (6). The first limit slider (7) is slidably connected to the first limit slide groove (3), and the top of the lifting cylinder (6) is fixedly connected to the lifting platform (8).

4. The automatic feeding device for a sandpaper cutting machine according to claim 3, characterized in that: An assembly plate (9) is symmetrically fixed to one end of the lifting platform (8), and assembly fastening holes (10) are connected at equal intervals inside the assembly plate (9).

5. The automatic feeding device for a sandpaper cutting machine according to claim 1, characterized in that: A second support frame (14) is connected to the top of the workbench (11) and is located between the first support frame (12) and the support seat (24), and a material guide roller (15) is connected to the top of the second support frame (14).

6. The automatic feeding device for a sandpaper cutting machine according to claim 5, characterized in that: A fourth support frame (18) is symmetrically fixed on the top of the workbench (11); the outer sides of the two fourth support frames (18) are both connected to a second movable groove (26); the interiors of the two second movable grooves (26) are movably connected to a swing frame (19) via a movable shaft (27); the top of the swing frame (19) is connected to the top of the second movable groove (26) via a second spring (28).

7. The automatic feeding device for a sandpaper cutting machine according to claim 1, characterized in that: Second limiting slide blocks (22) are symmetrically fixed on both sides of the third support frame (16), and second limiting slide grooves (25) are symmetrically connected on both sides inside the support seat (24), and the second limiting slide blocks (22) are slidably connected to the second limiting slide grooves (25).

8. The automatic feeding device for a sandpaper cutting machine according to claim 6, characterized in that: A feeding roller (21) is connected to one end of the swing frame (19), and a third rotation driving mechanism (20) is installed at one end of the feeding roller (21).