Clamp hole clamp

By designing a clamping fixture that includes a positioning boss, a slider, a pressure plate, and a clamping screw, the problem of hole alignment in the machining of cast parts was solved, improving machining accuracy and efficiency while reducing costs.

CN223455532UActive Publication Date: 2025-10-21HUNAN ORDNANCE DONGSHENG MACHINERY MFG
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Patent Information

Application Number
CN202422909867.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-28
Publication Date
2025-10-21
Estimated Expiration
2034-11-28

AI Technical Summary

Technical Problem

Existing equipment or standard fixtures cannot guarantee the quality of castings due to large dimensional deviations, irregular surfaces, and high requirements for hole alignment when assembling multiple parts.

Method used

A clamping fixture comprising a fixture body, a positioning boss, a slider, a pressure plate, a pad, and a clamping screw is designed. By using the positioning boss for horizontal positioning, the slider for bottom support, and the pressure plate for clamping, combined with the adjustable slider height and pad thickness, the fixture achieves rapid positioning and accurate clamping of the workpiece.

Benefits of technology

It enables rapid workpiece positioning and accurate clamping, improving machining accuracy and production efficiency while reducing machining costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a clamp hole clamp which comprises a clamp body, a positioning boss, a sliding block, a pressing plate, a cushion block and a compression screw. The positioning boss is arranged on the clamp body and used for horizontally positioning the head of a machined workpiece. The sliding block is arranged in a groove of the clamp body and used for machining a bottom support of a workpiece machining position. The pressing plate is arranged on the clamp body through the pressing screw and used for pressing a machined part by being matched with the cushion block. According to the utility model, the machined workpiece is quickly positioned, the machined hole is accurately aligned, and the dimensional accuracy of the machined part can be effectively controlled. And meanwhile, a machined workpiece is convenient to clamp, the production and machining efficiency is effectively improved, and the machining cost is reduced. The whole material is mainly made of carbon steel, the surface is blackened, the service life is long, and the machining cost is low.
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Description

TECHNICAL FIELD

[0001] The utility model relates to weapon equipment technical field, specifically apply to a kind of jaw hole fixture for measuring object corner position in weapon equipment training system. BACKGROUND

[0002] Mechanical manufacturing cannot be separated from metal cutting machine tool, and special fixture is one of important process equipment to ensure machining quality, improve production efficiency, reduce labor intensity, reduce the high requirement of worker's technology and realize rapid production.

[0003] Because the part is a cast part, the size deviation is large, the surface is irregular, and after the part is machined, various parts need to be assembled, and the requirements for assembling hole positions on the front and back surfaces (such as Figure 1 Position A) are high, and it is difficult to ensure the quality of the part using existing equipment or standard fixture. UTILITY MODEL CONTENT

[0004] In view of the above problems, the utility model provides a jaw hole fixture which is simple in structure, convenient to use and high in universality.

[0005] The utility model discloses a jaw hole fixture, which comprises a fixture body, a positioning boss, a sliding block, a pressing plate, a pad and a pressing screw. The positioning boss is arranged on the fixture body and is used for horizontal positioning of a workpiece head. The sliding block is arranged in a groove of the fixture body and is used for supporting the bottom of a workpiece machining position. The pressing plate is arranged on the fixture body through the pressing screw, and the pressing plate is used for pressing the workpiece through the matching pad.

[0006] Further, the utility model also comprises an adjusting screw, and the height of the sliding block in and out of the groove can be adjusted by rotating the adjusting screw.

[0007] Further, the sliding block is an irregular circumferential cam.

[0008] Further, the thickness of the pad can be replaced according to the thickness of the workpiece.

[0009] Further, the material of the fixture body is carbon steel.

[0010] Compared with the prior art, the utility model can quickly and accurately position the workpiece, accurately align the machining hole, effectively control the size precision of the machined part, conveniently clamp the workpiece, effectively improve the production and machining efficiency, and reduce the machining cost. The overall material is mainly carbon steel, the surface is blackened, the service life is long, and the machining cost is low. DRAWING DESCRIPTION

[0011] Figure 1 It is a workpiece structure schematic view of the utility model.

[0012] Figure 2 It is a structure schematic view of the utility model.

[0013] Figure 3 It is a structure schematic view of the utility model clamping and processing workpiece state.

[0014] Reference signs: 1-clamp body, 2-adjusting screw, 3-sliding block, 4-pressing plate, 5-pressing screw, 6-pad block, 7-positioning boss, 8-processing workpiece. DETAILED DESCRIPTION

[0015] The utility model will be further explained in detail in combination with the drawings, but is not the limitation of the protection scope of the utility model.

[0016] Example one,

[0017] A hole clamp includes a clamp body, a positioning boss, a sliding block, a pressing plate, a pad block and a pressing screw; the positioning boss is arranged on the clamp body and is used for horizontal positioning of a workpiece head; the sliding block is arranged in a groove of the clamp body and is used for bottom support of a workpiece processing position; the pressing plate is arranged on the clamp body through the pressing screw, and the pressing plate is used for pressing the workpiece through the cooperating pad block.

[0018] Further, it further includes an adjusting screw, and the height of the sliding block in and out of the groove can be adjusted by rotating the adjusting screw.

[0019] Further, the sliding block is an irregular circumferential cam.

[0020] Further, the thickness of the pad block can be replaced according to the different thicknesses of the processing workpieces.

[0021] Further, the clamp body is made of carbon steel.

[0022] The installation and use process of the utility model is as follows: the clamp body is installed on a machine tool, and a special-shaped processing workpiece is placed on the clamp body, and the front end abuts against the positioning boss; the adjusting screw is placed, the height of the sliding block is adjusted to the required height of the processing workpiece; finally, the pad block is placed at one end of the pressing plate, and the other end is rotated and placed on the surface of the processing workpiece, and the pressing plate and the processing workpiece are pressed through the pressing screw.

[0023] The above only describes the preferred embodiment of the utility model, and does not limit the utility model, and any modification, equivalent replacement and improvement within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A hole clamping fixture, characterized by: The clamp body, the positioning boss, the sliding block, the pressing plate, the cushion block and the compression screw are included; the positioning boss is arranged on the clamp body and is used for horizontal positioning of the head of the workpiece; the sliding block is arranged in the groove of the clamp body and is used for supporting the bottom of the machining position of the workpiece; the pressing plate is arranged on the clamp body through the compression screw and is used for compressing the workpiece through the matched cushion block.

2. The hole clamping fixture of claim 1, wherein: The adjusting screw is further included; the height of the sliding block in and out of the groove can be adjusted by rotating the adjusting screw.

3. The hole clamping fixture of claim 1, wherein: The sliding block is a cam.

4. The hole clamping fixture of claim 1, wherein: The thickness of the cushion block can be replaced according to the thickness of the workpiece.

5. The orifice clamp of any one of claims 1 to 4, wherein: The material of the clamp body is carbon steel.