A clamping device with buffer function

Abstract

This invention relates to the field of workpiece clamping technology and discloses a clamping device with a buffering function. The device includes a support frame, a driving mechanism within the support frame, clamping mechanisms on both sides of the top of the support frame, and a buffering mechanism on one side of each clamping mechanism. This clamping device with a buffering function, under the elastic force of the spring, can buffer the clamp, preventing over-clamping of the workpiece and thus protecting it from damage. Under the supporting force of the first and second fixed frames, a sliding block can be driven to slide on the surface of the second fixed rod, compressing the spring and automatically applying pressure. This clamping device with a buffering function can achieve stable clamping of the workpiece and effectively prevent workpiece displacement during processing.

Description

Technical Field

[0001] This invention relates to the field of workpiece clamping technology, specifically to a clamping device with a buffer function. Background Technology

[0002] A workpiece is a component in the manufacturing process. It is also called a part, component, workpiece, hardware part, etc. When a workpiece is positioned using a smooth surface, it can be considered as a plane, but it is not perfectly flat. The positioning elements used are still small flat surfaces. When the contact surface is small, A-type flat-head support pins are generally used; when the contact surface is large, support plates are generally used, such as... Figure 6 As shown. Type A is a flat plate type, with a simple structure and easy manufacturing, but chips easily accumulate in the countersunk screw pit and are difficult to remove. It is mainly used for side or top surface positioning. Type B is a slanted groove type, which makes chip removal easy and is mainly used for bottom surface positioning.

[0003] Patent publication number CN 212919088 U discloses a clamping device for mechanical workpieces, including a worktable. A fixed base is fixedly installed on the top left side of the worktable. A slot is opened on the front of the fixed base, and a connecting rod is rotatably connected to the inner wall of the slot. This clamping device for mechanical workpieces utilizes a crossbar, rack, incomplete gear, support rod, connecting rod, and load-bearing rod. Rotating the threaded rod moves the crossbar, causing the incomplete gear to mesh and rotate. The support rod and connecting rod rotate, driving the load-bearing rod to move, thereby moving the clamping block. This allows the contact plate to clamp the workpiece, achieving centered clamping and improving the clamping effect. By incorporating a rack, incomplete gear, and crossbar, the movement of the rack allows the support rod and connecting rod to rotate outwards or inwards, thus clamping workpieces of different widths, increasing the range of applications, meeting usage requirements, and solving the problems of single-sided clamping and limited use.

[0004] The applicant believes that the mechanical workpiece clamping device has the following drawbacks: because the clamp does not have a buffer function, it is easy to over-clamp the workpiece when the clamp is clamping it, which can lead to damage to the workpiece. This is not conducive to protecting the clamp and is therefore defective. Summary of the Invention

[0005] The purpose of this invention is to provide a clamping device with a buffer function to solve the problems mentioned in the background art.

[0006] To solve the above-mentioned technical problems, the present invention provides the following technical solution: a clamping device with a buffer function, including a support frame, a driving mechanism is provided inside the support frame, clamping mechanisms are provided on both sides of the top of the support frame, and a buffering mechanism is provided on one side of the clamping mechanism.

[0007] The buffer mechanism includes a second connecting plate disposed on the top of the support frame. A clamp is fixedly connected to one side of the second connecting plate, and a first fixing member is fixedly connected to the side of the second connecting plate away from the clamp. A first fixing rod is fixedly connected to each of the two first fixing members. A first fixing frame is fixedly connected to the surface of each of the first fixing rods. A second fixing frame is hinged to the bottom of the first fixing frame. A crossbar is hinged to the bottom of the second fixing frame. A sliding block is hinged to the surface of the crossbar. A second fixing rod is slidably connected to the sliding block. A second fixing member is fixedly connected to one side of the surface of the second fixing rod. A first connecting plate is fixedly connected to the surface of the second fixing member. A spring is sleeved on the surface of the second fixing rod and is disposed between the sliding block and the second fixing member.

[0008] According to the above technical solution, the number of first fixing frames is several, and the several first fixing frames are arranged at equal intervals. The first fixing frames are set on the top of the support frame. Under the action of the spring's own elastic force, the clamp can buffer the clamp and avoid the clamp from over-clamping the workpiece, which would cause damage to the workpiece, thus protecting the workpiece.

[0009] According to the above technical solution, the clamping mechanism includes a support platform, which is fixedly connected to both sides of the top of the support frame. A fixing plate is provided on both sides of the top of the support platform. A first connecting plate is fixedly connected to the top of the fixing plate. The clamp is provided on one side of the fixing plate. When the fixing plates on both sides move, the fixing rod slides inside the toothed plate, which can prevent the fixing plate from tilting during the movement.

[0010] According to the above technical solution, a first support member is fixedly connected to the top center of the support platform. A second connecting rod is slidably connected inside the first support member. A first positioning plate is fixedly connected to both sides of the surface of the second connecting rod. A second vertical rod is fixedly connected to both sides of the first positioning plate. The second vertical rod is fixedly connected to the top of the support platform. A second support arm is rotatably connected to the surface of the second vertical rod. A first connecting rod is rotatably connected to the side of the second support arm away from the second vertical rod. The first connecting rod is fixedly connected to the top of the support platform. The first support member can support the second connecting rod.

[0011] According to the above technical solution, a first support arm is rotatably connected to the surface of the first connecting rod, and a sector gear is fixedly connected to the side of the first support arm away from the first connecting rod. A first vertical rod is rotatably connected inside the sector gear, and the first vertical rod is fixedly connected to the top of the support platform. Under the support force formed by the first support arm and the second support arm, the sector gear can be driven to rotate in opposite directions.

[0012] According to the above technical solution, the surface of the sector gear is meshed with a toothed plate, and a fixing plate is fixedly connected to one side of the toothed plate. The fixing plate is set on the top of the support frame, and there are two fixing plates. The two fixing plates are symmetrically arranged. When the sector gear rotates in opposite directions, the toothed plates on both sides are driven to move towards each other, thereby achieving the purpose of stable clamping of the workpiece.

[0013] According to the above technical solution, a limiting rod is slidably connected inside the toothed plate, and a placement plate is fixedly connected to both sides of the limiting rod. The placement plate is fixedly connected to both sides of the support platform, and the placement plate is set on the top of the support frame. The placement plate is set on one side of the second connecting rod. When the fixed plates on both sides move, the limiting rod slides inside the toothed plate, which can prevent the fixed plates from tilting during the movement and ensure that the workpiece can be firmly clamped.

[0014] According to the above technical solution, the driving mechanism includes a support plate, which is fixedly connected to one side of the second connecting rod. Slide grooves are provided on both sides of the support frame, and the support plate is slidably connected within the slide grooves. A sliding member is fixedly connected to the bottom of the support plate, and a threaded rod is internally threaded onto the sliding member. Vertical plates are rotatably connected to both sides of the threaded rod, and the vertical plates are fixedly connected to the bottom of the support frame. First connecting members are rotatably connected to both sides of the threaded rod, and the first connecting members are fixedly connected to the bottom of the support frame. During the rotation of the threaded rod, the sliding members on both sides can be driven to move towards each other or away from each other.

[0015] According to the above technical solution, a worm gear is fixedly connected to the middle of the surface of the threaded rod, a worm is meshed on the surface of the worm gear, a second connecting member is rotatably connected to the surface of the worm, a motor is fixedly connected to one side of the second connecting member, the motor is fixedly connected to the bottom of the support frame, and the motor is set between two support plates. With the cooperation of the worm and the worm gear, the threaded rod can be driven to rotate synchronously.

[0016] According to the above technical solution, mounting frames are fixedly connected to both sides of the support plate, and guide rods are slidably connected inside the mounting frames. A fixing block is fixedly connected to the middle of the surface of the guide rod, and the fixing block is fixedly connected to the top of the support frame. When the support plates on both sides move, the mounting frames slide on the surface of the guide rods, which can ensure the stability of the support plates during movement.

[0017] Compared with the prior art, the beneficial effects achieved by the present invention are:

[0018] This clamping device with a buffer function can buffer the clamp under the elastic force of the spring, avoiding the phenomenon of excessive clamping of the workpiece and thus preventing damage to the workpiece, thereby protecting the workpiece.

[0019] The clamping device with buffer function, under the support of the first and second fixed frames, can drive the sliding block to slide on the surface of the second fixed rod and compress the spring, so that it automatically applies pressure.

[0020] This clamping device with a buffer function can achieve the purpose of firmly clamping the workpiece and effectively prevent the workpiece from shifting during processing.

[0021] This clamping device with a buffer function prevents the fixed plates from tilting during movement by allowing the limiting rod to slide inside the toothed plate, thus ensuring a stable clamping of the workpiece.

[0022] This clamping device with a buffer function can easily drive the second connecting rod by moving the sliding parts on both sides in opposite directions. Electricity replaces manual labor, saving time, effort and labor.

[0023] This clamping device with a buffer function allows the mounting bracket to slide on the surface of the guide rod as the support plates on both sides move, ensuring the stability of the support plates during movement. Attached Figure Description

[0024] The accompanying drawings are provided to further illustrate the invention and form part of the specification. They are used in conjunction with embodiments of the invention to explain the invention and do not constitute a limitation thereof. In the drawings:

[0025] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0026] Figure 2 This is a schematic diagram of the overall structure of the present invention;

[0027] Figure 3 This is a schematic diagram of the cooperation between the buffer mechanism and the clamping mechanism of the present invention;

[0028] Figure 4 This is a schematic diagram of the buffer mechanism of the present invention;

[0029] Figure 5 This is a schematic diagram of the buffer mechanism of the present invention;

[0030] Figure 6 This is a schematic diagram of the clamping mechanism of the present invention;

[0031] Figure 7 This is a schematic diagram of the drive mechanism of the present invention;

[0032] Figure 8This is a schematic diagram of the buffer mechanism of the present invention.

[0033] In the diagram: 1. Support frame; 2. Buffer mechanism; 21. First fixing rod; 22. Clamp; 23. First fixing member; 24. First connecting plate; 25. Second connecting plate; 26. First fixing frame; 27. Second fixing frame; 28. Second fixing rod; 29. ​​Crossbar; 201. Second fixing member; 202. Spring; 203. Sliding block; 3. Clamping mechanism; 31. First support member; 32. Sector gear; 33. First support arm; 34. First connecting rod; 35. First positioning plate; 36. Second connecting rod; 37. First vertical rod; 38. Placement plate; 39. Toothed plate; 301. Fixing plate; 302. Limiting rod; 303. Second vertical rod; 304. Second support arm; 305. Supporting platform; 4. Drive mechanism; 41. Vertical plate; 42. Worm gear; 43. First connecting piece; 44. Fixing block; 45. Second connecting piece; 46. Worm; 47. Sliding piece; 48. Motor; 49. Support plate; 401. Mounting bracket; 402. Threaded rod; 403. Guide rod. Implementation

[0034] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0035] This invention provides a technical solution: Example

[0036] Combination Figures 1 to 2 -5, a clamping device with a buffer function, including a support frame 1, a drive mechanism 4 is provided inside the support frame 1, clamping mechanisms 3 are provided on both sides of the top of the support frame 1, and a buffering mechanism 2 is provided on one side of the clamping mechanism 3.

[0037] The buffer mechanism 2 includes a second connecting plate 25, which is disposed on the top of the support frame 1. A clamp 22 is fixedly connected to one side of the second connecting plate 25, and a first fixing member 23 is fixedly connected to the side of the second connecting plate 25 away from the clamp 22. A first fixing rod 21 is fixedly connected to the two first fixing members 23. A first fixing frame 26 is fixedly connected to the surface of each first fixing rod 21. A second fixing frame 27 is hinged to the bottom of the first fixing frame 26. A crossbar 29 is hinged to the bottom of the second fixing frame 27. A sliding block 203 is hinged to the surface of the crossbar 29. A second fixing rod 28 is slidably connected inside the sliding block 203. A second fixing member 201 is fixedly connected to one side of the surface of the second fixing rod 28. A first connecting plate 24 is fixedly connected to the surface of the second fixing member 201. A spring 202 is sleeved on the surface of the second fixing rod 28. The spring 202 is disposed between the sliding block 203 and the second fixing member 201.

[0038] Furthermore, the number of first fixing frames 26 is several, and the several first fixing frames 26 are arranged at equal intervals. The first fixing frames 26 are set on the top of the support frame 1. Under the action of the spring 202 itself, they can buffer the clamp 22 and prevent the clamp 22 from over-clamping the workpiece, which would cause damage to the workpiece and play a protective role for the workpiece.

[0039] Furthermore, the clamping mechanism 3 includes a support platform 305, which is fixedly connected to both sides of the top of the support frame 1. A fixing plate 301 is provided on both sides of the top of the support platform 305. A first connecting plate 24 is fixedly connected to the top of the fixing plate 301. A clamp 22 is provided on one side of the fixing plate 301. When the fixing plates 301 on both sides move, the fixing rod slides inside the toothed plate 39, which can prevent the fixing plate 301 from tilting during the movement.

[0040] Furthermore, a first support member 31 is fixedly connected to the top center of the support platform 305, and a second connecting rod 36 is slidably connected inside the first support member 31. A first positioning plate 35 is fixedly connected to both sides of the surface of the second connecting rod 36, and a second vertical rod 303 is fixedly connected to both sides of the first positioning plate 35. The second vertical rod 303 is fixedly connected to the top of the support platform 305, and a second support arm 304 is rotatably connected to the surface of the second vertical rod 303. A first connecting rod 34 is rotatably connected to the side of the second support arm 304 away from the second vertical rod 303. The first connecting rod 34 is fixedly connected to the top of the support platform 305. The first support member 31 can support the second connecting rod 36. Example

[0041] See Figure 6Furthermore, based on Embodiment 1, a first support arm 33 is rotatably connected to the surface of the first connecting rod 34, and a sector gear 32 is fixedly connected to the side of the first support arm 33 away from the first connecting rod 34. A first vertical rod 37 is rotatably connected inside the sector gear 32, and the first vertical rod 37 is fixedly connected to the top of the support platform 305. Under the support force formed by the first support arm 33 and the second support arm 304, the sector gear 32 can be driven to rotate in opposite directions.

[0042] Furthermore, the surface of the sector gear 32 is meshed with a toothed plate 39, and a fixing plate 301 is fixedly connected to one side of the toothed plate 39. The fixing plate 301 is set on the top of the support frame 1. There are two fixing plates 301, which are symmetrically arranged. When the sector gear 32 rotates in opposite directions, the toothed plates 39 on both sides are driven to move closer to each other, thereby achieving the purpose of stable clamping of the workpiece.

[0043] Furthermore, a limiting rod 302 is slidably connected inside the toothed plate 39. A placement plate 38 is fixedly connected to both sides of the limiting rod 302. The placement plate 38 is fixedly connected to both sides of the support platform 305. The placement plate 38 is set on the top of the support frame 1 and on one side of the second connecting rod 36. When the fixed plates 301 on both sides move, the limiting rod 302 slides inside the toothed plate 39, which can prevent the fixed plates 301 from tilting during the movement and ensure that the workpiece can be firmly clamped. Example

[0044] See Figure 7-8 Furthermore, based on Embodiment 1 and Embodiment 2, the driving mechanism 4 further includes a support plate 49, which is fixedly connected to one side of the second connecting rod 36. Slide grooves are provided on both sides of the support frame 1, and the support plate 49 is slidably connected in the slide grooves. A sliding member 47 is fixedly connected to the bottom of the support plate 49, and a threaded rod 402 is threadedly connected to the sliding member 47. Vertical plates 41 are rotatably connected to both sides of the threaded rod 402, and the vertical plates 41 are fixedly connected to the bottom of the support frame 1. First connecting members 43 are rotatably connected to both sides of the threaded rod 402, and the first connecting members 43 are fixedly connected to the bottom of the support frame 1. During the rotation of the threaded rod 402, the sliding members 47 on both sides can be driven to move towards each other or away from each other.

[0045] Furthermore, a worm gear 42 is fixedly connected to the middle of the surface of the threaded rod 402, a worm 46 meshes with the surface of the worm gear 42, a second connecting member 45 is rotatably connected to the surface of the worm 46, a motor 48 is fixedly connected to one side of the second connecting member 45, the motor 48 is fixedly connected to the bottom of the support frame 1, and the motor 48 is located between the two support plates 49. With the cooperation of the worm 46 and the worm gear 42, the threaded rod 402 can be driven to rotate synchronously.

[0046] Furthermore, mounting brackets 401 are fixedly connected to both sides of the support plate 49. A guide rod 403 is slidably connected inside the mounting bracket 401. A fixing block 44 is fixedly connected to the middle of the surface of the guide rod 403. The fixing block 44 is fixedly connected to the top of the support frame 1. When the support plates 49 on both sides move, the mounting bracket 401 slides on the surface of the guide rod 403, which can ensure the stability of the support plate 49 during the movement.

[0047] In actual operation, when this device is used, the motor 48 is started first. The motor 48 drives the worm gear 46 and worm wheel 42 to rotate synchronously, which in turn drives the threaded rod 402 to rotate synchronously and drives the sliding parts 47 on both sides to move in opposite directions. This allows for easy driving of the second connecting rod 36. Electricity replaces manual labor, saving time, effort, and labor. While the support plates 49 on both sides are moving, the mounting bracket 401 slides on the surface of the guide rod 403, ensuring the stability of the support plates 49 during movement. When the support plates 49 on both sides move in opposite directions, the first positioning plates 35 on both sides are driven to move in opposite directions. Under the support force formed by the first support arm 33 and the second support arm 304, the sector gear 32 is driven to rotate in opposite directions, thus driving the toothed plates 39 on both sides to move closer together. The directional movement enables stable clamping of the workpiece, effectively preventing workpiece displacement during processing. As the two side fixing plates 301 move, the limiting rod 302 slides inside the toothed plate 39, preventing tilting of the fixing plates 301 and ensuring stable clamping of the workpiece. When the two side clamps 22 clamp the workpiece, the supporting force from the first fixing frame 26 and the second fixing frame 27 drives the sliding block 203 to slide on the surface of the second fixing rod 28, compressing the spring 202. The spring 202 is then compressed, and its own elasticity buffers the clamps 22, preventing over-clamping and damage to the workpiece, thus protecting it.

[0048] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0049] Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A clamping device with a buffer function, comprising a support frame (1), characterized in that: The support frame (1) is provided with a drive mechanism (4), and the support frame (1) is provided with clamping mechanisms (3) on both sides of the top. The clamping mechanism (3) is provided with a buffer mechanism (2) on one side. The buffer mechanism (2) includes a second connecting plate (25), which is disposed on the top of the support frame (1). A clamp (22) is fixedly connected to one side of the second connecting plate (25), and a first fixing member (23) is fixedly connected to the side of the second connecting plate (25) away from the clamp (22). A first fixing rod (21) is fixedly connected to the two first fixing members (23). A first fixing frame (26) is fixedly connected to the surface of each of the first fixing rods (21). A second fixing frame (27) is hinged to the bottom of the first fixing frame (26). A crossbar (29) is hinged to the bottom of the second fixing frame (27). The surface of the crossbar (29) is hinged. A sliding block (203) is hinged to the chain. A second fixed rod (28) is slidably connected inside the sliding block (203). A second fixing member (201) is fixedly connected to one side of the surface of the second fixed rod (28). A first connecting plate (24) is fixedly connected to the surface of the second fixing member (201). A spring (202) is sleeved on the surface of the second fixed rod (28). The spring (202) is located between the sliding block (203) and the second fixing member (201). Under the elastic force of the spring (202), it can buffer the clamp (22) and prevent the clamp (22) from over-clamping the workpiece, which would damage the workpiece and protect it. The driving mechanism (4) includes a support plate (49), which is fixedly connected to one side of the second connecting rod (36). The support frame (1) has grooves on both sides, and the support plate (49) is slidably connected in the grooves. A sliding member (47) is fixedly connected to the bottom of the support plate (49). A threaded rod (402) is threadedly connected to the sliding member (47). A vertical plate (41) is rotatably connected to both sides of the threaded rod (402). The vertical plate (41) is fixedly connected to the bottom of the support frame (1). A first connecting member (43) is rotatably connected to both sides of the threaded rod (402). The first connecting member (43) is fixedly connected to the bottom of the support frame (1). During the rotation of the threaded rod (402), the sliding members (47) on both sides can be driven to move towards each other or away from each other. A worm gear (42) is fixedly connected to the middle of the surface of the threaded rod (402). A worm (46) meshes with the surface of the worm gear (42). A second connector (45) is rotatably connected to the surface of the worm (46). A motor (48) is fixedly connected to one side of the second connector (45). The motor (48) is fixedly connected to the bottom of the support frame (1). The motor (48) is located between two support plates (49).

2. The clamping device with buffering function according to claim 1, characterized in that: The number of the first fixing frame (26) is several, and the several first fixing frames (26) are arranged at equal intervals. The first fixing frame (26) is set on the top of the support frame (1).

3. A clamping device with a buffer function according to claim 2, characterized in that: The clamping mechanism (3) includes a support platform (305), which is fixedly connected to both sides of the top of the support frame (1). A fixing plate (301) is provided on both sides of the top of the support platform (305), a first connecting plate (24) is fixedly connected to the top of the fixing plate (301), and a clamp (22) is provided on one side of the fixing plate (301).

4. A clamping device with a buffer function according to claim 3, characterized in that: A first support member (31) is fixedly connected to the top center of the support platform (305). A second connecting rod (36) is slidably connected inside the first support member (31). A first positioning plate (35) is fixedly connected to both sides of the surface of the second connecting rod (36). A second vertical rod (303) is fixedly connected to both sides of the first positioning plate (35). The second vertical rod (303) is fixedly connected to the top of the support platform (305). A second support arm (304) is rotatably connected to the surface of the second vertical rod (303). A first connecting rod (34) is rotatably connected to the side of the second support arm (304) away from the second vertical rod (303). The first connecting rod (34) is fixedly connected to the top of the support platform (305).

5. A clamping device with a buffer function according to claim 4, characterized in that: The first connecting rod (34) is rotatably connected to a first support arm (33), and a sector gear (32) is fixedly connected to the side of the first support arm (33) away from the first connecting rod (34). A first vertical rod (37) is rotatably connected inside the sector gear (32), and the first vertical rod (37) is fixedly connected to the top of the support platform (305).

6. A clamping device with a buffer function according to claim 5, characterized in that: The surface of the sector gear (32) is meshed with a toothed plate (39), and a fixing plate (301) is fixedly connected to one side of the toothed plate (39). The fixing plate (301) is located on the top of the support frame (1). There are two fixing plates (301), and the two fixing plates (301) are arranged symmetrically.

7. A clamping device with a buffer function according to claim 6, characterized in that: The toothed plate (39) is slidably connected to a limiting rod (302), and a placement plate (38) is fixedly connected to both sides of the limiting rod (302). The placement plate (38) is fixedly connected to both sides of the support platform (305). The placement plate (38) is located on the top of the support frame (1) and is located on one side of the second connecting rod (36).

8. A clamping device with a buffer function according to claim 1, characterized in that: Mounting brackets (401) are fixedly connected to both sides of the support plate (49). A guide rod (403) is slidably connected inside the mounting bracket (401). A fixing block (44) is fixedly connected to the middle of the surface of the guide rod (403). The fixing block (44) is fixedly connected to the top of the support frame (1).

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