Shockproof structure of pneumatic clamping device

Abstract

The utility model relates to the technical field of shockproof structures, and discloses a shockproof structure of a pneumatic clamping device, which comprises a clamp, two dampers are fixedly connected to the bottom of the clamp, the bottoms of the two dampers are fixedly connected with the same base, two mounting grooves are symmetrically formed in the top of the base, and damping springs are sleeved on the surfaces of the two dampers. The top ends of the two damping springs are fixedly connected to the bottom of the clamp, adjusting mechanisms used for adjusting the damping springs are arranged at the bottom ends of the two damping springs, a storage box is fixedly connected to the top of the base, a top plate is slidably connected into the storage box, and a lifting mechanism used for lifting the top plate is arranged at the bottom of the top plate. Through the arrangement of the damping spring, the damping and buffering strength of the clamp can be adjusted, and the bottom end of the damping spring is installed at the top of the nut, so that when the nut moves upwards, the damping spring is in a compressed state, and the purpose of adjusting the buffering strength is achieved.

Description

Technical Field

[0001] This utility model relates to the field of shock-absorbing structure technology, and in particular to a shock-absorbing structure for a pneumatic clamping device. Background Technology

[0002] Pneumatic clamping devices are widely used in machinery manufacturing and automated production, primarily for fixing workpieces to improve machining accuracy and efficiency. However, with increasing equipment operating speeds and the influence of external vibrations during processing, the stability and reliability of clamping devices are challenged. The anti-vibration structure of a pneumatic clamping device typically consists of several key components. First, there is the buffer device, which effectively absorbs and mitigates vibrations. By adjusting its material and shape, it achieves optimal vibration absorption within the vibration frequency range. Second, the shock-absorbing pad is also an important component of the anti-vibration structure, usually made of elastic materials, providing a certain degree of cushioning between the clamping device and the machine tool, thereby reducing the speed and amplitude of vibration propagation. Furthermore, a reasonable structural design is also crucial, such as ensuring the stability of the clamping device's center of gravity during installation and using reinforcing supports to increase the device's stability.

[0003] While existing pneumatic clamping devices with shock-absorbing structures can absorb and buffer vibrations during use, they cannot adjust the buffering intensity. This can easily lead to over-buffering during use, making it impossible to stably clamp and fix the workpiece. Therefore, this problem needs to be solved. Utility Model Content

[0004] The purpose of this utility model is to address the shortcomings of existing technologies by proposing a shockproof structure for a pneumatic clamping device.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A shock-absorbing structure for a pneumatic clamping device includes a clamp with two dampers fixedly connected to its bottom. The bottoms of the two dampers are fixedly connected to the same base. Two mounting slots are symmetrically formed on the top of the base. Damping springs are fitted onto the surfaces of both dampers. The top ends of both damping springs are fixedly connected to the bottom of the clamp. Adjustment mechanisms for adjusting the damping springs are provided at the bottom ends of both damping springs. A storage box is fixedly connected to the top of the base. A top plate is slidably connected inside the storage box. A lifting mechanism for raising and lowering the top plate is provided at the bottom of the top plate. The shock-absorbing and buffering strength of the clamp can be adjusted by using the damping springs.

[0007] As a further embodiment of this utility model, the adjusting mechanism includes a threaded cylinder, which is sleeved on the surface of the damper. A nut is fitted on the surface of the threaded cylinder. A T-shaped groove is provided on the top of the nut. An adjusting ring is rotatably connected inside the T-shaped groove. The bottom end of the damping spring is fixedly connected to the top of the adjusting ring. A constraint mechanism for constraining the nut is provided on the surface of the nut. The damping spring can be adjusted by setting the nut.

[0008] As a further embodiment of this utility model, the constraint mechanism includes multiple ratchet grooves, all of which are formed on the surface of the nut, and the surfaces of the multiple ratchet grooves are fitted with the same pawl. The pawl is rotatably connected to one side of the storage box, and three springs are fixedly connected to the surface of the pawl near the storage box, with the other ends of the three springs also fixedly connected to one side of the storage box. By setting the pawl, the nut can be constrained.

[0009] As a further embodiment of this utility model, the lifting mechanism includes a lead screw, which is rotatably connected to the inner surface of the storage box. The top plate is sleeved on the surface of the lead screw, and a worm gear is sleeved on the surface of the lead screw. A worm is fitted on the surface of the worm gear, and the worm is rotatably connected to one side of the storage box. The lifting of the top plate can be controlled by the lead screw.

[0010] The beneficial effects of this utility model are as follows:

[0011] 1. This utility model adopts a technical solution of adjusting the damping spring through a nut, thus allowing adjustment of the shock absorption and buffering strength of the clamp. This effectively solves the problem that although vibration can be absorbed and buffered, the buffering strength cannot be adjusted, leading to over-buffering during use and making it impossible to stably clamp and fix the workpiece. When it is necessary to adjust the shock absorption and buffering strength of the clamp, the nut can be rotated. A threaded cylinder is installed on the surface of the damper, and the nut cooperates with the threaded cylinder. When the nut is rotated, it can be moved upward. The bottom end of the damping spring is installed on the top of the nut. Therefore, when the nut moves upward, the damping spring will be in a compressed state, thereby achieving the purpose of adjusting the buffering strength. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the overall structure of the anti-vibration structure of the pneumatic clamping device proposed in this utility model;

[0013] Figure 2 This is a cross-sectional schematic diagram of the shockproof structure of a pneumatic clamping device proposed in this utility model;

[0014] Figure 3 This is a schematic diagram of the adjustment mechanism of the shockproof structure of the pneumatic clamping device proposed in this utility model;

[0015] Figure 4 This is a schematic diagram of the lifting mechanism of the shockproof structure of a pneumatic clamping device proposed in this utility model.

[0016] In the diagram: 1. Clamp; 2. Damper; 3. Storage box; 101. Base; 102. Mounting slot; 201. Threaded cylinder; 202. Nut; 203. Ratchet groove; 204. T-slot; 205. Adjusting ring; 206. Damping spring; 207. Pawl; 208. Spring; 301. Top plate; 302. Lead screw; 303. Worm gear; 304. Worm. Detailed Implementation

[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0018] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0019] Reference Figure 1 - Figure 4 A shock-absorbing structure for a pneumatic clamping device includes a clamp 1. Two dampers 2 are fixedly connected to the bottom of the clamp 1. The bottom of the two dampers 2 is fixedly connected to the same base 101. Two mounting slots 102 are symmetrically opened on the top of the base 101. Damping springs 206 are fitted on the surface of each of the two dampers 2. The top ends of the two damping springs 206 are fixedly connected to the bottom of the clamp 1. The bottom ends of the two damping springs 206 are provided with adjustment mechanisms for adjusting the damping springs 206. A storage box 3 is fixedly connected to the top of the base 101. A top plate 301 is slidably connected inside the storage box 3. The clamp 1 can be restricted by the top plate 301. The bottom of the top plate 301 is provided with a lifting mechanism for raising and lowering the top plate 301. The shock-absorbing and buffering strength of the clamp 1 can be adjusted by the damping springs 206.

[0020] Preferably, the adjusting mechanism includes a threaded cylinder 201, which is sleeved on the surface of the damper 2. A nut 202 is fitted on the surface of the threaded cylinder 201. A T-slot 204 is provided on the top of the nut 202. An adjusting ring 205 is rotatably connected inside the T-slot 204. By setting the adjusting ring 205, the damping spring 206 can be connected to the nut 202. The bottom end of the damping spring 206 is fixedly connected to the top of the adjusting ring 205. The surface of the nut 202 is provided with a constraint mechanism for constraining the nut 202. By setting the nut 202, the damping spring 206 can be adjusted.

[0021] Furthermore, the constraint mechanism includes multiple ratchet grooves 203, all of which are formed on the surface of the nut 202. The surfaces of the multiple ratchet grooves 203 are fitted with the same pawl 207. The pawl 207 is rotatably connected to one side of the storage box 3. Three springs 208 are fixedly connected to the surface of the pawl 207 near the storage box 3. The pawl 207 can be reset by the springs 208. The other ends of the three springs 208 are fixedly connected to one side of the storage box 3. The pawl 207 can constrain the nut 202.

[0022] Furthermore, the lifting mechanism includes a lead screw 302, which is rotatably connected to the inner surface of the storage box 3. A top plate 301 is sleeved on the surface of the lead screw 302, and a worm gear 303 is sleeved on the surface of the lead screw 302. The lead screw 302 can be rotated by the worm gear 303. A worm 304 is fitted on the surface of the worm gear 303 and is rotatably connected to one side of the storage box 3. The lifting of the top plate 301 can be controlled by the lead screw 302.

[0023] From the above description, it can be seen that the above embodiments of this utility model achieve the following technical effects: When it is necessary to adjust the shock absorption and buffering strength of the clamp 1, the nut 202 can be rotated. A threaded cylinder 201 is installed on the surface of the damper 2, and the nut 202 cooperates with the threaded cylinder 201. Therefore, when the nut 202 is rotated, the nut 202 can be moved upward. The bottom end of the damping spring 206 is installed on the top of the nut 202. Therefore, when the nut 202 moves upward, the damping spring 206 will be in a compressed state, thereby achieving the purpose of adjusting the buffering strength. A ratchet groove 203 is provided on the surface of the nut 202, and the ratchet groove 203 cooperates with the pawl 207 on one side of the storage box 3. The ratchet 207 prevents the nut 202 from rotating. A top plate 301 is installed at the bottom of the clamp 1. When the top plate 301 needs to be adjusted, the worm 304 on one side of the clamp 1 can be rotated. A worm wheel 303 is fitted on the surface of the worm 304. When the worm 304 rotates, the worm wheel 303 will rotate synchronously. A lead screw 302 is installed on the top of the worm wheel 303. The top plate 301 is installed on the surface of the lead screw 302. Because the top plate 301 slides inside the storage box 3, under the constraint of the storage box 3, when the lead screw 302 rotates, the top plate 301 can move upward. As the top plate 301 continues to move upward, it will contact the clamp 1 to achieve the purpose of restricting the clamp 1.

[0024] For ease of description, spatial relative terms such as "above," "on top of," "on the upper surface of," "above," etc., are used herein to describe the spatial positional relationship of a device or feature as shown in the figures to other devices or features. It should be understood that spatial relative terms are intended to encompass different orientations in use or operation beyond the orientation of the device as described in the figures. For example, if the device in the figures were inverted, a device described as "above" or "on top of" other devices or structures would subsequently be positioned as "below" or "under" other devices or structures. Thus, the exemplary term "above" can include both "above" and "below." The device may also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatial relative descriptions used herein will be interpreted accordingly.

[0025] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this application. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise. Furthermore, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0026] It should be noted that the terms "first," "second," etc., in the specification, claims, and accompanying drawings of this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate so that the embodiments of this application described herein can be implemented, for example, in orders other than those illustrated or described herein. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion; for example, a process, method, system, product, or apparatus that comprises a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to such processes, methods, products, or apparatus.

[0027] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A shockproof structure for a pneumatic clamping device, comprising a clamp (1), characterized in that, The clamp (1) has two dampers (2) fixedly connected to its bottom. The two dampers (2) are fixedly connected to the same base (101) at their bottoms. The base (101) has two symmetrical mounting slots (102) on its top. The surface of each of the two dampers (2) is fitted with a damping spring (206). The top of each of the two damping springs (206) is fixedly connected to the bottom of the clamp (1). The bottom of each of the two damping springs (206) is provided with an adjustment mechanism for adjusting the damping spring (206). The top of the base (101) is fixedly connected with a storage box (3). The storage box (3) has a top plate (301) slidably connected inside. The bottom of the top plate (301) is provided with a lifting mechanism for raising and lowering the top plate (301).

2. The shockproof structure of the pneumatic clamping device according to claim 1, characterized in that, The adjusting mechanism includes a threaded cylinder (201), which is sleeved on the surface of the damper (2). A nut (202) is fitted on the surface of the threaded cylinder (201), and a T-groove (204) is provided on the top of the nut (202).

3. The shockproof structure of the pneumatic clamping device according to claim 2, characterized in that, An adjusting ring (205) is rotatably connected inside the T-groove (204), and the bottom end of the damping spring (206) is fixedly connected to the top of the adjusting ring (205). The surface of the nut (202) is provided with a constraint mechanism for constraining the nut (202).

4. The shockproof structure of the pneumatic clamping device according to claim 3, characterized in that, The constraint mechanism includes multiple ratchet grooves (203), all of which are formed on the surface of the nut (202), and the surface of the multiple ratchet grooves (203) is fitted with the same pawl (207), which is rotatably connected to one side of the storage box (3).

5. The shockproof structure of the pneumatic clamping device according to claim 4, characterized in that, The pawl (207) has three springs (208) fixedly connected to the surface of the side of the storage box (3), and the other end of each of the three springs (208) is fixedly connected to the side of the storage box (3).

6. The shockproof structure of the pneumatic clamping device according to claim 1, characterized in that, The lifting mechanism includes a lead screw (302), which is rotatably connected to the inner surface of the storage box (3). The top plate (301) is sleeved on the surface of the lead screw (302). A worm gear (303) is sleeved on the surface of the lead screw (302). A worm (304) is fitted on the surface of the worm gear (303). The worm (304) is rotatably connected to one side of the storage box (3).

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