Rotary clamping mechanism convenient to maintain

Abstract

The utility model relates to the technical field of clamping mechanisms, in particular to a rotary clamping mechanism convenient to maintain, which mainly comprises a device main body, a crank arranged on the device main body, a clamping jaw arranged on the crank, a rubber pad arranged on the clamping jaw, and a replacement component arranged on the clamping jaw, limiting blocks are arranged on the clamping jaws, limiting grooves are formed in the rubber pads, and the replacing assembly is used for replacing the rubber pads. And the limiting assembly is arranged on the rotating piece. According to the rotary clamping mechanism convenient to maintain, by rotating the rotating piece, the two-way lead screw can be driven to rotate, so that two sets of limiting blocks can be driven to slide towards the interior of a limiting groove, a rubber pad can be rapidly fixed, and workers can conveniently and rapidly replace the rubber pad; in this way, the rubber pad replacement difficulty of workers can be reduced, and the workers can maintain the rubber pad conveniently.

Description

TECHNICAL FIELD

[0001] The utility model relates to clamping mechanism technical field, concretely is a kind of rotary clamping mechanism convenient to maintain. BACKGROUND

[0002] In the existing industrial automation and manufacturing process, clamping mechanism plays a vital role, they are responsible for accurate and stablely grabbing, moving and releasing the workpiece of various shapes, sizes and materials.

[0003] In order to optimize the clamping process, reduce the potential damage to the clamped product, the tip of the clamping jaw is generally wrapped with a rubber pad in the design of many clamping mechanisms. The rubber pad effectively alleviates the scratches, depressions or other forms of damage to the product surface caused by excessive force during the clamping process due to its good elasticity, wear resistance and buffering performance, thereby ensuring the stability of product quality and the smoothness of production process.

[0004] However, the rubber pad will be damaged due to long-term use, which will affect the accuracy of the clamping jaw due to uneven clamping force. Moreover, most existing clamping mechanisms use multiple bolts to tightly fix the rubber pad on the clamping jaw. However, when the rubber pad needs to be replaced, the worker needs to use a special tool to remove the fastening bolts one by one, which is time-consuming and laborious and not convenient for the worker to maintain. SUMMARY

[0005] The utility model aims at providing a rotary clamping mechanism convenient to maintain to solve the problem of inconvenient maintenance for workers when the rubber pad is damaged as mentioned in the background.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] A rotary clamping mechanism convenient to maintain, comprising: a device main body, a crank is provided on the device main body, a clamping jaw is provided on the crank, a rubber pad is provided on the clamping jaw, a replacement assembly is provided on the clamping jaw, the replacement assembly comprises a rotating member provided on the clamping jaw, a limiting block is provided on the clamping jaw, a limiting groove is provided on the rubber pad, and the replacement assembly is used for replacing the rubber pad; a limiting assembly is provided on the rotating member, the limiting assembly comprises a connecting plate provided on the rotating member, a slide rod is provided at the bottom of the rotating member, an arc slot is provided on the clamping jaw, and the limiting assembly is used for limiting the rotating member.

[0008] Preferably, the replacement assembly further comprises an open slot provided in the middle of the rubber pad, the clamping jaw is movably arranged in the open slot, connecting grooves are provided at both ends of the open slot, a fixed plate is provided on the clamping jaw corresponding to the connecting grooves, and the fixed plate is movably arranged in the connecting grooves.

[0009] Preferably, the inside of the clamping jaw is provided with a bidirectional screw rod, and the bidirectional screw rod penetrates the clamping jaw, and the outside of the bidirectional screw rod is provided with a threaded block.

[0010] Preferably, the two sides of the threaded block are provided with sliding blocks, and the inside of the clamping jaw is provided with sliding grooves corresponding to the sliding blocks, and the sliding blocks are movably arranged in the sliding grooves.

[0011] Preferably, the upper end of the threaded block is provided with a protective plate, and a limiting block is arranged on one side of the protective plate and movably arranged in the limiting groove.

[0012] Preferably, the limiting assembly further comprises a placing groove arranged on the clamping jaw, a rotating piece movably arranged in the placing groove, a sliding rod arranged at one end of the bidirectional screw rod, and protrusions arranged on the two sides of the sliding rod and movably arranged in the inside of the bidirectional screw rod, and the rotating piece is arranged at one end of the sliding rod.

[0013] Preferably, the upper end of the rotating piece is provided with two groups of fixed grooves, a connecting plate movably arranged in the fixed grooves, a handle arranged on the top of the connecting plate, a clamping block arranged on one side of one group of handles, a clamping sleeve arranged on one side of the other group of handles and corresponding to the clamping block, the clamping block movably arranged in the clamping sleeve, an elastic piece arranged at one end of the connecting plate, and one end of the elastic piece arranged on the rotating piece.

[0014] Preferably, the inside of the placing groove is provided with an arc groove corresponding to the connecting plate, and the connecting plate is movably arranged in the arc groove.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] By rotating the rotating piece, the bidirectional screw rod can be driven to rotate, so that the two limiting blocks can be driven to slide into the limiting groove, thereby the rubber pad can be quickly fixed, the rubber pad can be quickly replaced by the staff, the difficulty of replacing the rubber pad by the staff can be reduced, and the maintenance of the rubber pad by the staff is facilitated.

[0017] When the rubber pad is replaced, the rotating piece is pressed to slide into the placing groove, the connecting plate can be clamped into the arc groove through the elasticity of the elastic piece, the rotating piece is limited, and accidental rotation of the rotating piece during use of the device is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a front view of the utility model;

[0019] Figure 2 It is a partial three-dimensional structure schematic view of the utility model;

[0020] Figure 3 It is a partial three-dimensional structure schematic view of the utility model;

[0021] Figure 4This is a three-dimensional structural diagram of the replacement component of this utility model;

[0022] Figure 5 This utility model Figure 4 Enlarged schematic diagram of the structure at point A in the middle;

[0023] Figure 6 This is a three-dimensional structural diagram of the limiting component of this utility model.

[0024] Figure 7 This utility model Figure 6 Enlarged schematic diagram of the B-structure.

[0025] In the diagram: 1. Main body of the device; 2. Crank; 3. Gripper; 4. Rubber pad; 5. Protective plate; 6. Rotating component; 7. Limiting groove; 8. Connecting groove; 9. Opening groove; 10. Fixing plate; 11. Sliding groove; 12. Sliding block; 13. Two-way lead screw; 14. Threaded block; 15. Handle; 16. Limiting block; 17. Arc groove; 18. Placement groove; 19. Sliding rod; 20. Protrusion; 21. Locking block; 22. Connecting plate; 23. Fixing groove; 24. Elastic component; 25. Sleeve. Detailed Implementation

[0026] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. This application will now be described in detail with reference to the accompanying drawings and embodiments.

[0027] To enable those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present application, and not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative effort should fall within the scope of protection of the present application.

[0028] like Figures 1-7 As shown, this application provides a rotary clamping mechanism that is easy to maintain, including a device body 1, a crank 2 on the device body 1, a gripper 3 on the crank 2, a rubber pad 4 on the gripper 3, and a replacement component. The replacement component is disposed on the gripper 3 and includes a rotating part 6 disposed on the gripper 3, a limit block 16 disposed on the gripper 3, and a limit groove 7 disposed on the rubber pad 4. The replacement component is used for replacing the rubber pad 4.

[0029] Specifically, such as Figure 3As shown, the replacement assembly further comprises an open slot 9 arranged in the middle of the rubber pad 4, the clamping jaw 3 is movably arranged in the open slot 9, and the two ends of the open slot 9 are provided with connecting slots 8, and the clamping jaw 3 is provided with a fixed plate 10 corresponding to the connecting slot 8, and the fixed plate 10 is movably arranged in the connecting slot 8. Through the cooperation of the connecting slot 8 and the fixed plate 10, the predetermined positioning of the rubber pad 4 can be realized, which is convenient for subsequent fixing of the rubber pad 4.

[0030] Specifically, as shown in the figure, Figure 4 The inside of the clamping jaw 3 is provided with a bidirectional screw rod 13, and the bidirectional screw rod 13 penetrates the clamping jaw 3, and the outer side of the bidirectional screw rod 13 is provided with a threaded block 14. Through the rotation of the bidirectional screw rod 13, the two groups of threaded blocks 14 can be driven to move.

[0031] Specifically, as shown in the figure, Figure 5 The two sides of the threaded block 14 are provided with a sliding block 12, and the inside of the clamping jaw 3 is provided with a sliding groove 11 corresponding to the sliding block 12. The sliding block 12 is movably arranged in the sliding groove 11. Through the cooperation of the sliding block 12 and the sliding groove 11, the movement direction of the threaded block 14 can be limited, so that the threaded block 14 can move stably along the fixed direction.

[0032] Specifically, as shown in the figure, Figure 5 The upper end of the threaded block 14 is provided with a protective plate 5, and a limiting block 16 is arranged on one side of the protective plate 5. The limiting block 16 is movably arranged in the limiting slot 7. The arrangement of the protective plate 5 can prevent dust from entering the inside of the limiting slot 7.

[0033] A limiting assembly is arranged on the rotating part 6, and the limiting assembly comprises a connecting plate 22 arranged on the rotating part 6, and a sliding rod 19 arranged at the bottom of the rotating part 6. An arc slot 17 is arranged on the clamping jaw 3, and the limiting assembly is used for limiting the rotating part 6.

[0034] Specifically, as shown in the figure, Figure 7 The limiting assembly further comprises a placing slot 18 arranged on the clamping jaw 3, and the rotating part 6 is movably arranged in the placing slot 18. One end of the bidirectional screw rod 13 is provided with a sliding rod 19, and the two sides of the sliding rod 19 are provided with a protruding block 20. The protruding block 20 is movably arranged in the bidirectional screw rod 13. The rotating part 6 is arranged at one end of the sliding rod 19. By pulling the rotating part 6, the protruding block 20 slides in the bidirectional screw rod 13, which is convenient for the staff to store the rotating part 6 after use.

[0035] Specifically, as shown in the figure, Figure 7As shown, the upper end of the rotating piece 6 is provided with two groups of fixed grooves 23, the connecting plate 22 is movably arranged in the fixed groove 23, the top of the connecting plate 22 is provided with a handle 15, one side of a group of handles 15 is provided with a clamping block 21, the other side of the handle 15 is provided with a clamping sleeve 25 corresponding to the clamping block 21, the clamping block 21 is movably arranged in the clamping sleeve 25, one end of the connecting plate 22 is provided with an elastic member 24, one end of the elastic member 24 is arranged on the rotating piece 6, when the rotating piece 6 needs to be rotated, the handle 15 is pulled to make the clamping block 21 clamped into the clamping sleeve 25, the fixing of the two groups of connecting plates 22 is realized, which is convenient for the staff to control the rotation of the rotating piece 6.

[0036] Specifically, as shown in the figure, Figure 7 As shown, the inside of the placing groove 18 is provided with a circular groove 17 corresponding to the connecting plate 22, and the connecting plate 22 is movably arranged in the circular groove 17. When the rotating piece 6 is not needed, the connecting plate 22 is clamped into the inside of the circular groove 17, which can realize the storage of the rotating piece 6 into the inside of the placing groove 18, and the limiting of the rotating piece 6 is realized.

[0037] In this embodiment: by rotating the rotating piece 6, the bidirectional screw rod 13 can be driven to rotate, so that the limiting block 16 can be driven to slide into the limiting groove 7, the quick fixing of the rubber pad 4 can be realized, the maintenance of the device by the staff is facilitated, and by clamping the connecting plate 22 into the inside of the circular groove 17, the rotating piece 6 can be stored into the inside of the placing groove 18, so that the accidental rotation of the rotating piece 6 during use of the device is avoided.

[0038] The specific scheme is: when the rubber pad 4 needs to be installed, the clamping jaw 3 is wrapped through the opening groove 9 on the rubber pad 4, so that the fixed plate 10 slides into the connecting groove 8, thereby realizing the pre-positioning of the rubber pad 4 and facilitating the subsequent fixing. By rotating the rotating piece 6, the bidirectional screw rod 13 can be rotated, so that the two groups of threaded blocks 14 can move simultaneously, so that the sliding block 12 can slide in the sliding groove 11, the movement direction of the threaded block 14 can be limited, and the limiting block 16 can be driven to slide into the limiting groove 7 while the threaded block 14 moves, thereby realizing the fixing of the rubber pad 4, so that the device is convenient for the maintenance of the staff. The arrangement of the protective plate 5 can prevent dust from entering the limiting groove 7. After the replacement of the rubber pad 4 is completed, the two groups of handles 15 are moved towards each other, the clamping block 21 is clamped into the inside of the clamping sleeve 25, so that the connecting plate 22 is retracted along the fixed groove 23, the rotating piece 6 is retracted into the inside of the placing groove 18 by pressing, the clamping block 21 is separated from the clamping sleeve 25, the connecting plate 22 slides into the inside of the circular groove 17 by the elasticity of the elastic member 24, thereby realizing the fixing of the rotating piece 6, and the sliding rod 19 slides in the bidirectional screw rod 13, the sliding rod 19 is provided with a protrusion 20 outside, thereby limiting the sliding rod 19, and facilitating the staff to rotate the rotating piece 6 to drive the bidirectional screw rod 13 to rotate.

[0039] It should be understood by those of ordinary skill in the art that the above discussion of any of the embodiments is merely exemplary; the above embodiments or technical features among different embodiments can also be combined, the steps can be implemented in any order, and there are many other changes of different aspects of the present application as above, which are not provided in details for the sake of brevity.

[0040] The present application is intended to cover all such alternatives, modifications, and variations as fall within the broad scope of the appended claims. Accordingly, any and all such alternatives, modifications and variations should be included within the scope of the present application.

Claims

1. A rotary clamping mechanism that facilitates maintenance, comprising: The utility model provides a device body (1), be provided with crank (2) on device body (1), be provided with clamping jaw (3) on crank (2), be provided with rubber pad (4) on clamping jaw (3), its characterized in that, Replace assembly, replace assembly is provided on clamping jaw (3), replace assembly includes rotating piece (6) provided on clamping jaw (3), limiting block (16) is provided on clamping jaw (3), limiting groove (7) is provided on rubber pad (4), and replace assembly is used for the replacement of rubber pad (4); Limiting assembly, limiting assembly is provided on rotating piece (6), limiting assembly includes connecting plate (22) provided on rotating piece (6), the bottom of rotating piece (6) is provided with slide rod (19), and clamping jaw (3) is provided with circular arc groove (17), and limiting assembly is used for the limiting of rotating piece (6).

2. A rotary clamp mechanism for ease of maintenance according to claim 1, wherein The replacement assembly further includes an opening slot (9) provided in the middle of the rubber pad (4), the clamping jaw (3) is movably arranged in the opening slot (9), and the two ends of the opening slot (9) are provided with connecting grooves (8). The clamping jaw (3) is provided with a fixed plate (10) corresponding to the connecting grooves (8), and the fixed plate (10) is movably arranged in the connecting grooves (8).

3. A rotary clamp mechanism for facilitating maintenance according to claim 2, wherein The inside of the clamping jaw (3) is provided with a bidirectional screw rod (13), and the bidirectional screw rod (13) penetrates the clamping jaw (3). The outside of the bidirectional screw rod (13) is provided with a threaded block (14).

4. A rotary clamp mechanism for facilitating maintenance according to claim 3, wherein The two sides of the threaded block (14) are provided with sliding blocks (12), and the inside of the clamping jaw (3) is provided with sliding grooves (11) corresponding to the sliding blocks (12). The sliding blocks (12) are movably arranged in the sliding grooves (11).

5. A rotary clamp mechanism for facilitating maintenance according to claim 4, wherein The upper end of the threaded block (14) is provided with a protective plate (5), and the limiting block (16) is arranged on one side of the protective plate (5). The limiting block (16) is movably arranged in the limiting groove (7).

6. A rotary clamp mechanism for facilitating maintenance according to claim 3, wherein The limiting assembly further includes a placing groove (18) provided on the clamping jaw (3), and the rotating piece (6) is movably arranged in the placing groove (18). One end of the bidirectional screw rod (13) is provided with a slide rod (19), and the two sides of the slide rod (19) are provided with protrusions (20). The protrusions (20) are movably arranged in the bidirectional screw rod (13). The rotating piece (6) is arranged at one end of the slide rod (19).

7. A rotary clamp mechanism for facilitating maintenance according to claim 6, wherein The upper end of the rotating piece (6) is provided with two groups of fixed grooves (23), and the connecting plate (22) is movably arranged in the fixed grooves (23). The top of the connecting plate (22) is provided with a handle (15). One side of one group of handles (15) is provided with a clamping block (21). The other group of handles (15) is provided with a clamping sleeve (25) corresponding to the clamping block (21) on one side. The clamping block (21) is movably arranged in the clamping sleeve (25). One end of the connecting plate (22) is provided with an elastic member (24), and one end of the elastic member (24) is arranged on the rotating piece (6).

8. A rotary clamp mechanism for facilitating maintenance according to claim 7, wherein, The inside of the placing groove (18) is provided with a circular arc groove (17) corresponding to the connecting plate (22), and the connecting plate (22) is movably arranged in the circular arc groove (17).

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