Bidirectional clamping device for thin-wall workpiece machining

Through the design of the bidirectional spiral screw drive slider and slide table, combined with the adaptive clamper and clamping wheel, the deformation and slipping problems of thin-walled workpieces when clamping the table visor is solved, and stable clamping is achieved in multi-directional and multi-point, improving the convenience of clamping and anti-slip performance.

CN223236079UActive Publication Date: 2025-08-19HANGZHOU ZHAOJING TECH CO LTD
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Patent Information

Application Number
CN202421684122.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-16
Publication Date
2025-08-19
Estimated Expiration
2034-07-16

AI Technical Summary

Technical Problem

Thin-walled workpieces are easily deformed due to stress concentration and slippery when clamped with table visors.

Method used

The design of a two-way spiral screw drive slider and slide table is adopted, combined with an adaptive clamper and clamping wheel, multi-directional multi-point clamping is achieved. Through the automatic rotation of the first and second-level clamping arms, the clamping force is dispersed and the workpiece is avoided.

Benefits of technology

It achieves more convenient clamping, avoids workpiece deformation, improves anti-slip performance, and reduces the risk of scratches.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of bidirectional clamping devices for thin-wall workpiece machining, and discloses a bidirectional clamping device for thin-wall workpiece machining, which comprises a clamping table, a bidirectional spiral screw rod rotatably arranged in the clamping table, a sliding groove formed in the clamping table, a sliding table slidably arranged in the sliding groove, and a sliding block arranged in the clamping table. A lead screw nut matched with the two-way spiral lead screw is fixedly arranged on the sliding block, the two-way spiral lead screw rotates to drive the lead screw nut to drive the sliding block to move, the sliding block and the sliding table are fixed together through a bolt, and a self-adaptive clamping device is arranged on the sliding table in a rotating mode. The two-way spiral lead screw is rotated, the sliding tables get close to one another, the clamping wheels abut against the outer wall of a workpiece, the eight clamping wheels can abut against the outer wall of the workpiece through automatic rotation of the first-stage clamping arm and the second-stage clamping arm, multi-direction and multi-point clamping is formed, compared with a traditional bench vice, clamping is more convenient, clamping force is dispersed, and workpiece deformation is avoided.
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Description

Technical Field

[0001] The utility model relates to the technical field of bidirectional clamping devices for processing thin-walled workpieces, in particular to a bidirectional clamping device for processing thin-walled workpieces. Background Art

[0002] Clamping thin-walled cylindrical parts with a bench vise can easily cause the workpiece to deform due to stress concentration at the clamping position, and the workpiece is prone to slipping. Utility Model Content

[0003] The technical problem to be solved by the present invention is: in order to overcome the above problems, a bidirectional clamping device for processing thin-walled workpieces is provided, which solves the above problems.

[0004] The utility model solves the technical problem by adopting the following technical solutions:

[0005] A bidirectional clamping device for processing thin-walled workpieces includes a clamping table, a bidirectional spiral screw is provided for rotating inside the clamping table, a slide is provided on the clamping table, a slide is provided for sliding inside the slide, a slider is provided in the clamping table, a screw nut that cooperates with the bidirectional spiral screw is fixed on the slider, the bidirectional spiral screw rotates to drive the screw nut to move together with the slider, the slider and the slide are fixed together by bolts, and an adaptive clamper is provided for rotating on the slide.

[0006] Preferably, the adaptive clamper comprises a secondary clamping arm rotatably arranged on the slide.

[0007] Preferably, primary clamping arms are rotatably provided at both ends of the secondary clamping arms.

[0008] Preferably, clamping wheels for clamping the outer wall of the thin-walled cylinder are rotatably provided at both ends of the first-level clamping arm.

[0009] Preferably, in order to improve the anti-slip performance and avoid scratches, an anti-slip rubber sleeve is fixedly mounted on the outer side wall of the clamping wheel.

[0010] Preferably, a node ring is fixedly provided in the middle of the bidirectional screw rod, the threads on both sides of the node ring have opposite rotation directions, and a hand wheel is fixedly provided at the end of the bidirectional screw rod for labor-saving rotation of the bidirectional screw rod.

[0011] The advantages and positive effects of the utility model are: by rotating the bidirectional spiral screw, the slides approach each other, the clamping wheels abut against the outer wall of the workpiece, and through the automatic rotation of the first-level clamping arm and the second-level clamping arm, the eight clamping wheels can abut against the outer wall of the workpiece to form multi-directional and multi-point clamping, which is more convenient than traditional bench vise clamping and disperses the clamping force to avoid deformation of the workpiece. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0013] Figure 1 It is a structural diagram of the utility model;

[0014] Figure 2 yes Figure 1 Schematic diagram of the structure. DETAILED DESCRIPTION

[0015] The present invention will now be described in further detail with reference to the accompanying drawings, which are simplified schematic diagrams that illustrate the basic structure of the present invention in a schematic manner.

[0016] The following is a further description of the embodiments of the present invention with reference to the accompanying drawings:

[0017] like Figure 1-2 As shown, the utility model describes a bidirectional clamping device for processing thin-walled workpieces, including a clamping table 10, in which a bidirectional spiral screw 19 is rotated, a slide groove 20 is provided on the clamping table 10, a slide 12 is slidably provided in the slide groove 20, a slider 16 is provided in the clamping table 10, a screw nut 18 that cooperates with the bidirectional spiral screw 19 is fixed on the slider 16, the bidirectional spiral screw 19 rotates to drive the screw nut 18 to move together with the slider 16, the slider 16 and the slide 12 are fixed together by bolts, and an adaptive clamper is rotated on the slide 12.

[0018] Preferably, the adaptive clamper includes a secondary clamping arm 11 rotatably disposed on the slide 12 .

[0019] Preferably, primary clamping arms 13 are rotatably provided at both ends of the secondary clamping arm 11 .

[0020] Preferably, clamping wheels 14 for clamping the outer wall of the thin-walled cylinder are rotatably provided at both ends of the first-level clamping arm 13 .

[0021] Preferably, in order to improve the anti-slip performance and avoid scratches, an anti-slip rubber sleeve is fixedly mounted on the outer side wall of the clamping wheel 14.

[0022] Preferably, a node ring 17 is fixedly provided in the middle of the bidirectional screw rod 19 , the screw threads on both sides of the node ring 17 have opposite rotation directions, and a hand wheel 15 is fixedly provided at the end of the bidirectional screw rod 19 for labor-saving rotation of the bidirectional screw rod 19 .

[0023] During specific implementation, the bidirectional screw rod 19 is rotated, the slides 12 approach each other, the clamping wheels 14 are pressed against the outer wall of the workpiece, and the automatic rotation of the first-level clamping arm 13 and the second-level clamping arm 11 enables the eight clamping wheels 14 to press against the outer wall of the workpiece to form multi-directional and multi-point clamping, which is more convenient than traditional bench vise clamping and disperses the clamping force to avoid deformation of the workpiece.

[0024] It should be emphasized that the embodiments described in the present invention are illustrative rather than restrictive. Therefore, the present invention is not limited to the embodiments described in the specific implementation methods. Any other implementation methods derived by those skilled in the art based on the technical solution of the present invention also fall within the scope of protection of the present invention.

Claims

1. A bidirectional clamping device for processing thin-walled workpieces, comprising a clamping table (10), characterized in that: A bidirectional screw rod (19) is provided for rotation in the clamping platform (10), a slide groove (20) is provided on the clamping platform (10), a slide platform (12) is provided for sliding in the slide groove (20), a slider (16) is provided in the clamping platform (10), a screw nut (18) which cooperates with the bidirectional screw rod (19) is fixed on the slider (16), the bidirectional screw rod (19) rotates to drive the screw nut (18) to move together with the slider (16), the slider (16) and the slide platform (12) are fixed together by bolts, and an adaptive clamper is provided for rotation on the slide platform (12).

2. A bidirectional clamping device for thin-walled workpiece processing according to claim 1, characterized in that: The adaptive clamper comprises a secondary clamping arm (11) rotatably arranged on the slide (12).

3. A bidirectional clamping device for thin-walled workpiece processing according to claim 2, characterized in that: Primary clamping arms (13) are rotatably provided at both ends of the secondary clamping arm (11).

4. A bidirectional clamping device for processing thin-walled workpieces according to claim 3, characterized in that: Clamping wheels (14) for clamping the outer wall of the thin-walled cylinder are rotatably provided at both ends of the first-level clamping arm (13).

5. The bidirectional clamping device for processing thin-walled workpieces according to claim 4, characterized in that: In order to improve the anti-skid performance and avoid scratches, an anti-skid rubber sleeve is fixedly mounted on the outer side wall of the clamping wheel (14).

6. A bidirectional clamping device for processing thin-walled workpieces according to claim 5, characterized in that: A section ring (17) is fixedly provided in the middle of the bidirectional screw rod (19), the screw threads on both sides of the section ring (17) are rotated in opposite directions, and a hand wheel (15) is fixedly provided at the end of the bidirectional screw rod (19) for rotating the bidirectional screw rod (19) with minimal effort.