Simple machine tool workpiece clamping mechanism

By using a vertical vise and a graduated guide rail in the machine tool clamping mechanism, combined with replaceable clamping blocks, the problem of low clamping efficiency of existing clamping mechanisms for irregular workpieces is solved, and fast and accurate workpiece positioning and processing are achieved.

CN223903453UActive Publication Date: 2026-02-13DONGGUAN XINGCHAO METAL PRODUCTS CO LTD
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Patent Information

Application Number
CN202520571632.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-28
Publication Date
2026-02-13
Estimated Expiration
2035-03-28

AI Technical Summary

Technical Problem

Existing machine tool clamping mechanisms are complex in structure, suitable for regular workpieces, but difficult to clamp irregular workpieces efficiently. Furthermore, the drive speed via threaded rods is slow, resulting in low production and assembly efficiency.

Method used

It uses a vertically fixed vise in conjunction with a graduated guide rail and replaceable tilting clamping blocks to achieve fast clamping and precise positioning, suitable for both regular and irregular workpieces.

Benefits of technology

It improves the ease of use and versatility of the fixture, enhances the clamping efficiency and machining accuracy of irregular workpieces, and simplifies the operation process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a simple machine tool workpiece clamping mechanism, and relates to the technical field of workpiece clamping equipment. The clamping device comprises a vice and a guide rail, the vice is in sliding connection with the guide rail, a first fastening bolt is arranged in the vice and matched and fixed with the guide rail, the vice is provided with an inclined clamping block installation face on one side of a clamping face, an installation groove is formed in the bottom of the clamping block installation face, and a clamping block is arranged in the installation groove. A second fastening bolt is arranged in the clamping block and connected with the vice, a graduated scale is arranged on the surface of the guide rail, the vertically-fixed vice is arranged to be matched with the guide rail with the graduated scale, the vice can be rapidly moved to be fixed to clamp a workpiece, the replaceable clamping block is obliquely arranged on the vice, and the clamping block can be replaced conveniently. The clamp not only can be used for clamping and machining regular workpieces, but also can be used for clamping and machining irregular workpieces, so that the usability and universality of the clamp are improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a simple machine tool workpiece clamping mechanism relates to workpiece clamping equipment technical field. BACKGROUND

[0002] When the workpiece is machined, the workpiece must be clamped to ensure that the workpiece is accurately machined, so the clamping mechanism must be provided on the machine tool to clamp the workpiece.

[0003] The existing machine tool clamping mechanism often uses a vice as a clamp, and the vice is simple in structure and is suitable for fixing flat workpieces such as metal plates, wooden boards and plastic parts, so the flat vice can be used for most clamping machining requirements. For example, the patent technology with the announcement number CN112222894B discloses a machine tool accessory precision clamp high-precision micro vice, a clamping block is fixedly connected to the middle position of the upper surface of the support plate, connecting holes are formed in the front ends of the left and right side surfaces of the support plate, a sealing plate is slidably connected in the connecting holes, an iron core is arranged on one side of the sealing plate, an inner cavity is formed in the support plate, an installation block is installed at the middle position in the support plate, and a one-way valve is fixedly connected to the front surface of the installation block. When the object is clamped, the sealing plate can be opened by electromagnetic force, the external cooling liquid enters the inner cavity to cool the vice, the first push plate cooperates with the second push plate to move in circulation and drives the cooling liquid to circulate in the inner cavity of the movable block, thereby increasing the cooling effect of the movable block. When the object is clamped, the contact surface of the object and the vice is cooled, and the spraying of the cooling liquid can achieve better cooling effect, thereby improving the safety of machining. However, the main structure of this scheme is still the traditional structure, the movable block is driven by the threaded rod, and the workpiece is clamped by the clamping block. The moving speed of the threaded rod driving mode is slow, and the whole needs to be matched with more thread surfaces, which leads to complex clamp structure, low production and assembly efficiency, and is still suitable for regular workpieces. Therefore, a simple machine tool workpiece clamping mechanism is proposed to solve the problems existing in the prior art. SUMMARY

[0004] The utility model aims at the defects or insufficient in the prior art, provides a kind of simple machine tool workpiece clamping mechanism, by being set up vertical fixed vice and the guide rail with scale cooperation, workpiece can be clamped by being fixed quickly to the vice, and a replaceable clamping block is arranged on the vice, not only regular workpieces can be clamped and machined, irregular workpieces can also be clamped and machined, so that the usability and universality of the clamp are improved.

[0005] To achieve the above object, the utility model discloses the following technical scheme: it includes vice 1, guide rail 3, vice 1 is slidably connected with guide rail 3, and is provided with the first fastening bolt 4 in vice 1 and is fixed with guide rail 3 cooperation, vice 1 is provided with the inclined clamping block mounting surface 15 on one side of clamping surface, and the clamping block mounting surface 15 bottom is provided with the mounting groove 16, and the mounting groove 16 is provided with the clamping block 2, and the clamping block 2 is provided with the second fastening bolt 5 and is connected with vice 1, the surface of guide rail 3 is provided with the scale 31.

[0006] Further, the bottom of the vice 1 is provided with a guide rail groove 13, the guide rail groove 13 is inwardly bent on both sides to form a fixed rail 14, the guide rail 3 is outwardly protruded on both sides to form a guide rail strip 32, and the guide rail strip 32 is matched with the guide rail groove 13.

[0007] Further, the vice 1 is provided with at least one, and the inner side surface of the vice 1 is a vertical clamping surface and a scale indicating surface.

[0008] Further, the vice 1 is provided with a first bolt groove 11 and a second bolt groove 12, the first bolt groove 11 is tightly matched with the force applying end of the first fastening bolt 4, and the second bolt groove 12 is tightly matched with the non-threaded section of the second fastening bolt 5.

[0009] Further, the first bolt groove 11 is provided below with a first thread groove 17, the inner diameter of the first bolt groove 11 is larger than that of the first thread groove 17, the first thread groove 17 is matched with the threaded section of the first fastening bolt 4, the bottom of the second bolt groove 12 is provided with a second thread groove 18, the inner diameter of the second bolt groove 12 is larger than that of the second thread groove 18, and the second thread groove 18 is matched with the threaded section of the second fastening bolt 5.

[0010] Further, the inner side clamping surface of the clamping block 2 is provided on the outside with an anti-skid block 23.

[0011] Further, the bottom of the clamping block 2 is provided on the outside with a mounting rail 21, and the mounting rail 21 is matched with the mounting groove 16.

[0012] Further, the clamping block is provided with a third bolt groove 22, and the third bolt groove 22 is matched with the second bolt groove 12.

[0013] Further, the guide rail 3 is provided with a fastening screw 33.

[0014] After adopting the above technical scheme, the utility model has the beneficial effects that: through the cooperation of the vertically fixed vice and the guide rail with scales, the vice can be quickly moved for fixing and clamping workpieces, and an inclined replaceable clamping block is arranged on the vice, which can clamp regular workpieces and irregular workpieces for machining, thereby improving the usability and universality of the clamp. Attached Figure Description

[0015] 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 some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0016] Figure 1 This is a schematic diagram of the structure of this utility model;

[0017] Figure 2 This is a schematic diagram of the structure of the vise 1 in this utility model;

[0018] Figure 3 yes Figure 2 The left view;

[0019] Figure 4 yes Figure 2 Top view;

[0020] Figure 5 This is a schematic diagram of the structure of the clamping block 2 in this utility model;

[0021] Figure 6 This is a schematic diagram of the structure of the guide rail 3 in this utility model;

[0022] Figure 7 This is a side view of the guide rail 3 in this utility model.

[0023] Explanation of reference numerals in the attached drawings: Vise 1, Clamping block 2, Guide rail 3, First fastening bolt 4, Second fastening bolt 5, First bolt groove 11, Second bolt groove 12, Guide rail groove 13, Fixing edge 14, Clamping block mounting surface 15, Mounting groove 16, First thread groove 17, Second thread groove 18, Mounting edge 21, Third bolt groove 22, Anti-slip block 23, Third stud groove 22, Scale 31, Guide rail strip 32, Fastening screw 33. Detailed Implementation

[0024] See Figures 1-7The technical scheme adopted by the embodiment is shown as follows: it comprises a vice 1 and a guide rail 3, the vice 1 is slidably connected with the guide rail 3, and a first fastening bolt 4 is arranged in the vice 1 and cooperates with the guide rail 3 to be fixed, in the embodiment, the vice is fastened to the guide rail through the first fastening bolt, and the vice can be moved to adjust the clamping degree of the workpiece by loosening the first fastening bolt, while the traditional vice is driven through a screw rod, the moving speed is slow, and the adjusting efficiency is low, meanwhile, the vice 1 is arranged at least one, the inner side surface of the vice 1 is a vertical clamping surface and a scale indicating surface, two vices are matched, one is a fixed piece, and the other is a moving piece, the operation can be performed by moving one vice, the fixed piece serves as a scale reference piece, the inner surface thereof points to a reference scale line, and the moving piece can be accurately controlled when moving, thereby facilitating the placement of the workpiece.

[0025] The vice 1 is provided with an inclined clamping block mounting surface 15 on one side of the clamping surface, the bottom of the clamping block mounting surface 15 is provided with a mounting groove 16, the mounting groove 16 is provided with a clamping block 2, the clamping block 2 is provided with a second fastening bolt 5 connected with the vice 1, in the embodiment, one inclined clamping block is arranged, when clamping the workpiece, the workpiece can be placed between the two vices after adjusting the position of the vice, and then inserted into the clamping block, the workpiece is further clamped when the clamping block is connected with the vice through the second fastening bolt, and the fixing of the workpiece is completed, and the clamping block is a replaceable structure, a plane clamping block is used when machining a plane workpiece, and a matched irregular surface clamping block is used when machining an irregular workpiece, so that the versatility of the clamp is higher.

[0026] The guide rail 3 is provided with a scale 31 on the surface, the scale can be used for accurate size adjustment and more accurate machining, meanwhile, the scale is provided with a plurality of concave surfaces matched with the end of the first fastening bolt, thereby facilitating the positioning of the vice.

[0027] More specifically, the vice 1 is provided with a guide rail groove 13 at the bottom, the guide rail groove 13 is bent inward at both sides to form a fixing edge 14, the guide rail 3 is protruded outward at both sides to form a guide rail strip 32, and the guide rail strip 32 cooperates with the guide rail groove 13, in the embodiment, the vice and the guide rail are slidably matched, and the cooperation is realized through the guide rail groove and the guide rail strip.

[0028] More specifically, the vise 1 is provided with a first bolt groove 11 and a second bolt groove 12. The first bolt groove 11 is tightly engaged with the force-applying end of the first fastening bolt 4, and the second bolt groove 12 is tightly engaged with the non-threaded section of the second fastening bolt 5. A first threaded groove 17 is provided below the first bolt groove 11, and the inner diameter of the first bolt groove 11 is larger than the inner diameter of the first threaded groove 17. The first threaded groove 17 matches the threaded section of the first fastening bolt 4. A second threaded groove 18 is provided at the bottom of the second bolt groove 12, and the inner diameter of the second bolt groove 12 is larger than the inner diameter of the second threaded groove 18. The second threaded groove 18 matches the threaded section of the second fastening bolt 5. By setting the fastening bolt into a two-section structure, with the bolt groove and the threaded groove separated, it is possible to prevent the bolt from being over-tightened and damaging the connection structure. In particular, for the first fastening bolt, when its force-applying end reaches the position of the threaded groove, it is impossible to tighten the first fastening bolt further, thus preventing damage to the guide rail.

[0029] More specifically, the clamping block 2 has an anti-slip block 23 on the outer side of the inner clamping surface. The anti-slip block can ensure the clamping performance of the workpiece. Preferably, the anti-slip block should be made of a material that can quickly conduct heat. When adjusting the processing size, the thickness of the anti-slip block should be added.

[0030] More specifically, the clamping block 2 has an installation edge 21 on the outer side of its bottom. The installation edge 21 matches the installation groove 16. Due to the inclined design of the clamping block, the force direction during clamping is less likely to cause it to come out through the cooperation of the installation edge and the installation groove. In addition, the second fastening bolt is installed vertically, which makes the clamping surface more complete, the clamping surface larger, and the clamping effect better.

[0031] More specifically, the clamping block 2 is provided with a third bolt groove 22, which matches the second bolt groove 12. The second fastening bolt passes through the third bolt groove into the second bolt groove and then connects to the second threaded groove.

[0032] More specifically, the guide rail 3 is equipped with fastening screws 33, which fix the guide rail to the processing table for easy replacement.

[0033] The utility model discloses a work principle: in use, the guide rail 3 is fixed in lathe processing mesa, vice 1 is slipped from the side, moves through the cooperation of guide rail groove 13 and guide rail strip 32, and the inside clamping surface of vice 1 is the scale indicating surface, can carry out accurate indication of the clamping size when moving vice 1, and vice 1 moves and is completed after the first fastening bolt 4 is screwed down, can complete the fixing of vice 1, and clamps the workpiece to be processed, according to the shape of the workpiece to be processed, can select the regular surface clamping block 2 or the irregular clamping block 2 matched with the workpiece from the installation groove 16 and insert, and then through the second fastening bolt 5 to the clamping block 2 is fixed, and in the clamping block 2 insertion process to the antiskid block and workpiece contact, further clamping the workpiece in the second fastening bolt 5 tightening process, at this moment, can start to process the workpiece, and the overall structure is simple, convenient operation, especially to vice 1 movement positioning is more fast, thereby can promote the processing efficiency.

[0034] The above is only used to explain the technical scheme of the utility model and is not limited, and other modifications or equivalent replacements of the technical scheme of the utility model made by the ordinary skill in the art should be covered in the claim range of the utility model.

Claims

1. A simple workpiece clamping mechanism for a machine tool, characterised in that: It includes vise (1), guide rail (3), vise (1) and guide rail (3) sliding connection, and in the vise (1) is provided with the first fastening bolt (4) and guide rail (3) cooperation fixed, the vise (1) is provided with the inclined clamping block mounting surface (15) on the clamping surface side, the clamping block mounting surface (15) bottom is provided with the installation groove (16), the installation groove (16) is provided with the clamping block (2), the clamping block (2) is provided with the second fastening bolt (5) and is connected with the vise (1), the guide rail (3) surface is provided with the scale (31).

2. A simple machine tool workpiece clamping mechanism according to claim 1, characterized in that: The bottom of the vise (1) is provided with a guide rail groove (13), the guide rail groove (13) is bent inward on both sides to form a fixed rail (14), the guide rail (3) is protruded outward on both sides to form a guide rail strip (32), and the guide rail strip (32) is matched with the guide rail groove (13).

3. A simple workpiece clamping mechanism for machine tools as claimed in claim 1, wherein: The vise (1) is provided with at least one, and the inner side of the vise (1) is a vertical clamping surface and a scale indicating surface.

4. The workpiece clamping mechanism for a simple machine tool according to claim 1, characterized in that: The first bolt groove (11) is matched with the force end of the first fastening bolt (4), and the second bolt groove (12) is matched with the non-threaded section of the second fastening bolt (5).

5. A simple machine tool workpiece clamping mechanism according to claim 4, characterised in that: The first bolt groove (11) is matched with the force end of the first fastening bolt (4), and the second bolt groove (12) is matched with the non-threaded section of the second fastening bolt (5).

6. A simple workpiece clamping mechanism for machine tools according to claim 1, characterized in that: The inner side of the clamping block (2) is provided with an anti-skid block (23).

7. A simple workpiece clamping mechanism for machine tools as claimed in claim 1, wherein: The bottom of the clamping block (2) is provided with a mounting rail (21), and the mounting rail (21) is matched with the installation groove (16).

8. A simple workpiece clamping mechanism for machine tools according to claim 1, characterized in that: The clamping block (2) is provided with a third bolt groove (22) in the inside, and the third bolt groove (22) is matched with the second bolt groove (12).

9. A simple workpiece clamping mechanism for machine tools as claimed in claim 1, wherein: The guide rail (3) is provided with a fastening screw (33).

Citation Information

Patent Citations

  • A high-precision miniature vise, a precision clamp for machine tools.

    CN112222894B