Hydraulic bench clamp capable of automatically adapting to shapes of parts

By using a contouring rod and a limiting rod structure, combined with a hydraulic system, the problem of traditional bench vises being unable to adapt to irregular workpieces is solved, and stable clamping that automatically adapts to the shape of the workpiece is achieved.

CN224115977UActive Publication Date: 2026-04-14CHONGQING MINGLAI TECHNOLOGY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-21
Publication Date
2026-04-14

AI Technical Summary

Technical Problem

Traditional bench vises cannot effectively clamp irregular workpieces, have unstable clamping, and cannot fully adapt to the size of the workpiece.

Method used

It adopts a contour rod and limit rod structure. The contour rod slides in the contour hole and uses the chamfer of the conical block to cooperate with the contour rod. Combined with the hydraulic system, it can automatically adapt to the shape of the workpiece and clamp it.

Benefits of technology

It achieves stable clamping of irregular workpieces, effectively adapts to changes in workpiece size, and improves the stability and reliability of clamping.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a hydraulic bench clamp capable of automatically adapting to the shape of a part, and relates to the technical field of bench clamps. Comprising a mounting plate; the fixing block is arranged on the mounting plate; the sliding rod transversely penetrates through the fixing block, the two ends of the sliding rod extend out of the fixing block, and a supporting piece is arranged at one end of the sliding rod; the sliding block is arranged on the supporting piece and matched with the fixing piece. The sliding block and the fixed block are each provided with a plurality of profiling holes, the axes of the profiling holes are parallel to the axis of the sliding rod, and profiling rods are arranged in the profiling holes. The limiting rod is vertically arranged on the fixed block and the sliding block, the limiting rod is sleeved with a plurality of conical blocks, the conical blocks correspond to the profiling rod, the inclined face of each conical block is arranged above the profiling rod and matched with the profiling rod, and the two ends of the limiting rod stretch out of the sliding block and the fixed block. According to the utility model, the profiling rod is arranged and slides in the profiling hole, so that the device can automatically adapt to the size of a part and can effectively clamp the part.
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Description

Technical Field

[0001] This utility model relates to the field of bench vise technology, and more specifically to a hydraulic bench vise that automatically adapts to the shape of a part. Background Technology

[0002] Traditional bench vises are fixedly mounted on a fitter's workbench to clamp workpieces, facilitating manual or mechanical processing such as filing and sawing. They typically employ a lead screw and nut clamping mechanism. However, in practice, workpieces are sometimes irregular in size, and since both sides of the vise are flat, the vise cannot fully clamp the workpiece; it only grips the surface, resulting in unstable clamping and ineffective workpiece fixation.

[0003] Therefore, how to provide a hydraulic vise that can automatically adapt to the size of the workpiece and effectively clamp the workpiece is a problem that urgently needs to be solved by those skilled in the art. Utility Model Content

[0004] In view of this, the present invention provides a hydraulic vise that automatically adapts to the shape of a part, aiming to solve the problems in the background art mentioned above, realize automatic adaptation to workpiece size and effectively clamp the workpiece.

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

[0006] A hydraulic vise that automatically adapts to the shape of a part, comprising:

[0007] Mounting plate;

[0008] A fixing block, wherein the fixing block is disposed on the mounting plate;

[0009] A sliding rod, which passes laterally through the fixed block, with both ends of the sliding rod extending out of the fixed block, and a support member provided at one end of the sliding rod;

[0010] A sliding block, which is disposed on the support and cooperates with the fixing member;

[0011] The sliding block and the fixed block are provided with multiple contour holes, the axis of the contour holes is parallel to the axis of the sliding rod, and the contour rod is provided in the contour holes;

[0012] A limiting rod is vertically mounted on the fixed block and the sliding block. A tapered block is sleeved on the limiting rod. Multiple tapered blocks are provided, and the tapered blocks are correspondingly arranged with the contour rod. The inclined surface of the tapered block is located above the contour rod and cooperates with the contour rod. Both ends of the limiting rod extend out of the sliding block and the fixed block.

[0013] Furthermore, the cross-section of the contour rod is rectangular, and a chamfer is provided on the long side of the contour rod, with the conical block engaging with the chamfer on the contour rod.

[0014] Furthermore, a horizontal plate is provided on the top of both the sliding block and the fixed block, and a vertical threaded rod is threadedly connected to the horizontal plate. The vertical threaded rod passes through the horizontal plate, and a lower pressure plate is rotatably connected to the bottom of the vertical threaded rod. The lower pressure plate is provided on multiple limiting rods.

[0015] Furthermore, an elastic block is provided at the bottom of the limiting rod, one end of the elastic block is connected to the limiting rod, and the other end of the elastic block is connected to the sliding hole of the limiting rod.

[0016] Furthermore, the contour rods on the fixed block and the sliding block are arranged in a one-to-one correspondence, and each end of the two corresponding contour rods is provided with a spring. One end of the spring is connected to the contour rod, and the other end of the spring is connected to the fixed block and the sliding block.

[0017] Furthermore, a hydraulic cylinder is provided at the end of the sliding rod away from the support member, and the piston rod of the hydraulic cylinder is throttle-connected to the sliding rod.

[0018] As can be seen from the above technical solution, compared with the prior art, this utility model discloses a hydraulic bench vise that automatically adapts to the shape of a part. By setting a contouring rod and allowing it to slide in the contouring hole, when the sliding block and the fixed block are clamping the part, by controlling the sliding of the contouring rod, one end of multiple contouring rods can be brought into contact with the surface of the part. Then, the conical block on the limiting rod presses the contouring rod downward, thereby automatically adapting to the size of the part and effectively clamping it. Attached Figure Description

[0019] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the provided drawings without creative effort.

[0020] Figure 1 An overall structural diagram of a hydraulic bench vise that automatically adapts to the shape of a part, provided by this utility model;

[0021] Figure 2 Provided by this utility model Figure 1 Enlarged view of point A.

[0022] Wherein: 1 is the mounting plate; 2 is the fixing block; 3 is the sliding rod; 4 is the support component; 5 is the sliding block; 6 is the contour rod; 7 is the limiting rod; 8 is the conical block; 9 is the horizontal plate; 10 is the vertical threaded rod; 11 is the lower pressure plate; 12 is the elastic block; 13 is the spring; 14 is the hydraulic cylinder. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] See Figure 1 and 2 This utility model discloses a hydraulic bench vise that automatically adapts to the shape of a part, comprising:

[0025] Mounting plate 1; In this embodiment, mounting plate 1 is mounted on the workbench. Threaded holes are provided on mounting plate 1. Mounting plate 1 is fixedly connected to the workbench by bolts. The fixing direction of the hydraulic vise is confirmed according to the usage.

[0026] Fixing block 2 is mounted on mounting plate 1. In this embodiment, fixing block 2 includes a lower block and an upper block. The lower block is used to provide a hole for sliding rod 3 to slide. The upper block is located above the lower block and is used to clamp parts and provide contour rod 6.

[0027] The sliding rod 3 passes through the fixed block 2 laterally, with both ends of the sliding rod 3 extending out of the fixed block 2. A support member 4 is provided at one end of the sliding rod 3. In this embodiment, the sliding rod 3 is a cylindrical straight rod, and the sliding rod 3 slides along the length direction of the fixed block 2.

[0028] The sliding block 5 is disposed on the support member 4 and cooperates with the fixing member; in this embodiment, the support member 4 is disposed at one end of the sliding block 5, and the sliding block 5 is disposed at the top of the support member 4. The sliding block 5 and the support member 4 can slide with the sliding rod 3.

[0029] Both the sliding block 5 and the fixed block 2 are provided with multiple contour holes, the axis of which is parallel to the axis of the sliding rod 3. A contour rod 6 is provided in the contour hole. A limiting rod 7 is vertically provided on the fixed block 2 and the sliding block 5. A tapered block 8 is sleeved on the limiting rod 7. Multiple tapered blocks 8 are provided, and the multiple tapered blocks 8 are correspondingly provided with the contour rod 6. The inclined surface of the tapered block 8 is provided above the contour rod 6 and cooperates with the contour rod 6. Both ends of the limiting rod 7 extend out of the sliding block 5 and the fixed block 2. In this embodiment, multiple tapered blocks 8 are vertically provided on the limiting rod 7. The limiting rod 7 can slide vertically in the sliding block 5 and the fixed block 2. When the limiting rod 7 moves downward, it can drive the inclined surface of the tapered block 8 to contact the contour rod 6. The limiting block can press down on the contour rod 6 to prevent the contour rod 6 that is clamping the workpiece from sliding, thereby effectively fixing the part.

[0030] The cross-section of the contour rod 6 is rectangular, and a chamfer is provided on the long side of the contour rod 6. The conical block 8 is engaged with the chamfer on the contour rod 6. In this embodiment, by providing a chamfer, the inclined surface of the conical block 8 and the chamfer are engaged with each other, thereby increasing the friction and effectively fixing the contour rod 6 to prevent the contour rod 6 from sliding after clamping the part.

[0031] Both the sliding block 5 and the fixed block 2 are provided with a horizontal plate 9 at their top. A vertical threaded rod 10 is threadedly connected to the horizontal plate 9. The vertical threaded rod 10 passes through the horizontal plate 9. A lower pressure plate 11 is rotatably connected to the bottom of the vertical threaded rod 10. The lower pressure plate 11 is provided on multiple limit rods 7. In this embodiment, a rocker arm is provided at the top of the vertical threaded rod 10. By setting the horizontal plate 9 and the lower pressure plate 11, the vertical threaded rod 10 can be driven to move vertically by rotating the rocker arm during use. This allows the lower pressure plate 11 to be pressed down vertically, and the lower pressure plate 11 pushes the limit rods 7 downward.

[0032] An elastic block 12 is provided at the bottom of the limiting rod 7. One end of the elastic block 12 is connected to the limiting rod 7, and the other end of the elastic block 12 is connected to the sliding hole of the limiting rod 7. In this embodiment, by providing the elastic block 12, when the lower pressure plate 11 is released, the elastic block 12 can push the limiting rod 7 upward, thereby preventing the conical block 8 from rubbing against the contour rod 6 under the action of gravity during use. This allows the contour rod 6 to slide freely to adapt to the size of the part when the limiting rod 7 does not slide downward.

[0033] The contour rods 6 on the fixed block 2 and the sliding block 5 are arranged in a one-to-one correspondence. Both ends of the two corresponding contour rods 6 are provided with springs 13. One end of the spring 13 is connected to the contour rod 6, and the other end of the spring 13 is connected to the fixed block 2 and the sliding block 5. In this embodiment, a mounting plate 1 is provided on one end of the spring 13. The mounting plate 1 is connected to one end of the sliding block 5, and the other end of the spring 13 is connected to the fixed block 2 or the sliding block 5. By setting the spring 13, the spring 13 can pull the two corresponding ones to squeeze towards the center, thereby controlling the contour blocks to clamp the parts when clamping them.

[0034] A hydraulic cylinder 14 is provided at the end of the sliding rod 3 away from the support member 4. The piston rod of the hydraulic cylinder 14 is connected to the sliding rod 3 in a transmission manner. In this embodiment, the hydraulic cylinder 14 clamps the part when the sliding rod 3 is retracted, and releases the part when the piston rod of the hydraulic cylinder 14 is extended.

[0035] The various embodiments in this specification are described in a progressive manner, with each embodiment focusing on its differences from other embodiments. Similar or identical parts between embodiments can be referred to interchangeably. For the apparatus disclosed in the embodiments, since they correspond to the methods disclosed in the embodiments, the description is relatively simple; relevant parts can be referred to the method section.

[0036] The above description of the disclosed embodiments enables those skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A hydraulic vise that automatically adapts to the shape of a part, characterized in that, include: Mounting plate; A fixing block, wherein the fixing block is disposed on the mounting plate; A sliding rod, which passes laterally through the fixed block, with both ends of the sliding rod extending out of the fixed block, and a support member provided at one end of the sliding rod; A sliding block, which is disposed on the support and cooperates with the fixed block; The sliding block and the fixed block are provided with multiple contour holes, the axis of the contour holes is parallel to the axis of the sliding rod, and the contour rod is provided in the contour holes; A limiting rod is vertically mounted on the fixed block and the sliding block. A tapered block is sleeved on the limiting rod. Multiple tapered blocks are provided, and the tapered blocks are correspondingly arranged with the contour rod. The inclined surface of the tapered block is located above the contour rod and cooperates with the contour rod. Both ends of the limiting rod extend out of the sliding block and the fixed block.

2. The hydraulic vise that automatically adapts to the shape of a part according to claim 1, characterized in that, The cross-section of the contour rod is rectangular, and a chamfer is provided on the long side of the contour rod. The conical block is engaged with the chamfer on the contour rod.

3. The hydraulic vise that automatically adapts to the shape of a part according to claim 1, characterized in that, Both the sliding block and the fixed block are provided with a horizontal plate at their top. A vertical threaded rod is threadedly connected to the horizontal plate and passes through the horizontal plate. A lower pressure plate is rotatably connected to the bottom of the vertical threaded rod and is provided on a plurality of the limiting rods.

4. The hydraulic vise that automatically adapts to the shape of a part according to claim 1, characterized in that, An elastic block is provided at the bottom of the limiting rod. One end of the elastic block is connected to the limiting rod, and the other end of the elastic block is connected to the sliding hole of the limiting rod.

5. A hydraulic vise that automatically adapts to the shape of a part according to claim 1, characterized in that, The contour rods on the fixed block and the sliding block are arranged in a one-to-one correspondence. Each end of the two corresponding contour rods is provided with a spring. One end of the spring is connected to the contour rod, and the other end of the spring is connected to the fixed block and the sliding block.

6. The hydraulic vise that automatically adapts to the shape of a part according to claim 1, characterized in that, A hydraulic cylinder is provided at the end of the sliding rod away from the support member, and the piston rod of the hydraulic cylinder is throttle-connected to the sliding rod.