Multi-station CNC machining tool clamp for blocky workpieces

By using a cylinder to drive a slider to move within a groove, combined with a slider guide seat and an elastic pressure head, synchronous clamping of multi-station block workpieces is achieved. This solves the problems of low clamping efficiency and workpiece damage in existing technologies, and improves the efficiency and safety of CNC machining.

CN224043133UActive Publication Date: 2026-03-27WUHAN HUATONG ZHONGZHI TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-25
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

In existing CNC machining, the clamping efficiency of block workpieces is low, they are prone to displacement, and chip removal is difficult, especially the workpiece surface damage caused by complex curved surface fixtures.

Method used

A cylinder drives a slider to move within a groove. Guided by a slider guide seat, the position of the elastic pressure head changes, enabling synchronous clamping at multiple stations. The pneumatic linkage mechanism and elastic pressure head avoid rigid contact, improving efficiency and protecting the workpiece surface.

Benefits of technology

It achieves synchronous clamping at multiple stations, improving processing efficiency, avoiding damage to the workpiece surface, and enhancing the stability and safety of clamping.

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Abstract

The utility model belongs to the technical field of tool clamps, and particularly relates to a multi-station block-shaped workpiece CNC machining tool clamp which comprises a support serving as a connecting base, a panel base is connected to the top of the support, a plurality of sets of sliding grooves are formed in the panel base in a rectangular mode at equal intervals, a power assembly comprises a plurality of sets of air cylinders installed at the bottom of the panel base in a rectangular mode, and the air cylinders are connected with the panel base. The output end of the air cylinder is symmetrically connected with the two sets of sliding blocks, the sliding blocks are in sliding fit with the sliding grooves, the outer sides of the two sets of sliding blocks are both connected with elastic pressing heads, the multiple sets of locking assemblies correspond to the sliding blocks one to one and lock and fix the sliding blocks, and the air cylinder drives the sliding blocks to move in the sliding grooves. The moving direction of the sliding block is limited and guided through the sliding block guide base, then the positions of the elastic pressing heads are driven to be changed, workpieces are clamped and fixed through the elastic pressing heads adjacent in pairs, multi-station synchronous pressing is achieved through the pneumatic linkage mechanism, efficiency is improved, and in addition, due to the design of the elastic pressing heads, workpiece surface damage caused by traditional rigid contact is avoided.
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Description

TECHNICAL FIELD

[0001] The utility model relates to tooling fixture technical field, concretely is a kind of multi-station block-shaped workpiece CNC machining tooling fixture. BACKGROUND

[0002] In current CNC machining, the clamping of block-shaped workpieces generally has the following defects:

[0003] 1. Few workpieces are clamped at a time (e.g., single-row layout of medium grooves), and the processing efficiency is low;

[0004] 2. The traditional pressing mechanism easily causes displacement of the workpiece (e.g., there is a return gap in the driving of the medium threaded rod);

[0005] 3. The complex curved surface clamp leads to difficulty in chip removal (compared to the plane impurity removal structure);

[0006] Therefore, it is urgent to provide a multi-station block-shaped workpiece CNC machining tooling fixture. SUMMARY

[0007] This section aims to outline some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract of the specification and the utility model name to avoid obscuring the purpose of this section, the abstract of the specification and the utility model name. Such simplifications or omissions cannot be used to limit the scope of the utility model.

[0008] Therefore, the utility model aims to provide a multi-station block-shaped workpiece CNC machining tooling fixture, the slide block is moved from the slide groove by the cylinder, the moving direction of the slide block is guided by the slide block guide seat, and then the position of the elastic pressing head is changed, the workpiece is clamped by the two adjacent elastic pressing heads, the multi-station synchronous pressing is realized by the pneumatic linkage mechanism, the efficiency is improved, and the elastic pressing head design avoids the damage to the workpiece surface caused by traditional rigid contact.

[0009] To solve the above technical problems, according to one aspect of the utility model, the utility model provides the following technical scheme:

[0010] A multi-station block-shaped workpiece CNC machining tooling fixture comprises:

[0011] As a support connected to the base, a panel seat is connected to the top of the support, and a plurality of slide grooves are symmetrically arranged on the panel seat in a rectangular shape;

[0012] A power assembly is connected to the panel seat and comprises a plurality of cylinders installed on the bottom of the panel seat in a rectangular shape, the output ends of the cylinders are symmetrically connected to two slide blocks, the slide blocks are in sliding cooperation with the slide grooves, and the outer sides of the two slide blocks are connected to elastic pressing heads;

[0013] The locking assembly is provided with multiple groups, and the multiple groups of locking assemblies are arranged in one-to-one correspondence with the sliding blocks to lock and fix the sliding blocks.

[0014] As a preferred scheme of the multi-station block-shaped workpiece CNC machining tooling fixture, the plurality of positioning modules are arranged in a rectangular equidistant manner on the top of the support.

[0015] As a preferred scheme of the multi-station block-shaped workpiece CNC machining tooling fixture, the elastic pressing head adopts a polyurethane steel composite structure.

[0016] As a preferred scheme of the multi-station block-shaped workpiece CNC machining tooling fixture, the locking assembly comprises a sliding block guide seat connected to the top of the panel seat, the sliding block guide seat is arranged corresponding to the top of the sliding block, and a plurality of positioning pins are connected to the sliding block guide seat.

[0017] As a preferred scheme of the multi-station block-shaped workpiece CNC machining tooling fixture, a guide groove for guiding the sliding block is formed in the bottom of the sliding block guide seat.

[0018] Compared with the prior art, the multi-station block-shaped workpiece CNC machining tooling fixture has the beneficial effects that:

[0019] The sliding block is moved in the sliding groove by the cylinder, the movement direction of the sliding block is limited and guided by the sliding block guide seat, thereby the position of the elastic pressing head is changed, the workpiece is clamped by the adjacent elastic pressing heads, the multi-station synchronous pressing is realized by the pneumatic linkage mechanism, the efficiency is improved, and the elastic pressing head is designed to avoid the damage to the surface of the workpiece caused by traditional rigid contact. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the present application will be described in detail below in combination with the drawings and detailed embodiments. Obviously, the drawings described below are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor. Among them:

[0021] Fig. 1 It is a schematic diagram of the overall structure of the present application;

[0022] Fig. 2 It is a schematic diagram of part of the structure of the present application;

[0023] Fig. 3 It is a schematic diagram of the top structure of the present application.

[0024] In the figure: 100 support, 110 panel seat, 111 sliding groove, 120 positioning module, 200 power assembly, 210 cylinder, 211 sliding block, 220 elastic pressure head, 300 locking assembly, 310 sliding block guide seat, 320 positioning pin group. DETAILED DESCRIPTION

[0025] In order to make the above-mentioned purposes, features and advantages of the utility model more apparent, obvious and easy to understand, the specific embodiments of the utility model will be described in detail below with reference to the drawings.

[0026] In the following description, many specific details are set forth in order to provide a thorough understanding of the utility model, but the utility model can also be implemented in other ways different from those described herein, and those skilled in the art can make similar extensions without departing from the connotation of the utility model, therefore the utility model is not limited by the specific embodiments disclosed below.

[0027] Secondly, the utility model is described in detail in combination with the schematic diagram, when detailing the embodiments of the utility model, for the convenience of illustration, the sectional view of the device structure will be partially enlarged without the general proportion, and the schematic diagram is only an example, which should not limit the scope of protection of the utility model herein. In addition, the three-dimensional spatial dimensions of length, width and depth should be included in actual production.

[0028] In order to make the purposes, technical schemes and advantages of the utility model more clear, the embodiments of the utility model will be described in further detail below in combination with the drawings.

[0029] The utility model provides a kind of multi-station block-shaped workpiece CNC machining tooling fixture, please refer to Figs. 1-3 , including, support 100, power assembly 200 and locking assembly 300;

[0030] Please continue to refer to Figs. 1-3 , as the support 100 of connecting base, support 100 top is connected with panel seat 110, and multiple sets of sliding grooves 111 are equidistantly arranged in rectangular on panel seat 110;

[0031] Support 100 top is connected with multiple sets of positioning modules 120, and multiple sets of positioning modules 120 are arranged in rectangular equidistantly;

[0032] Please continue to refer to Figs. 1-3 , power assembly 200 is connected on panel seat 110, including multiple sets of cylinders 210 installed in rectangular on the bottom of panel seat 110, the output end of cylinder 210 is symmetrically connected with two sets of sliding blocks 211 by screw thread, sliding block 211 is slidably matched with sliding groove 111, and the end of two sets of sliding blocks 211 is connected with elastic pressure head 220 by connecting bolt, and elastic pressure head 220 adopts polyurethane steel composite structure;

[0033] Action:

[0034] The cylinder 210 works, drives the slider 211 to move from the sliding groove 111, the moving direction of the slider 211 is limited and guided by the slider guide seat 310, and then the position of the elastic pressing head 220 is changed, and the workpiece is clamped by every two adjacent elastic pressing heads 220;

[0035] Please continue to refer to Figs. 1-3 The locking assembly 300 is provided with multiple groups, and the multiple groups of locking assemblies 300 are arranged in one-to-one correspondence with the slider 211 and lock and fix the slider 211;

[0036] The locking assembly 300 comprises a slider guide seat 310 which is screwed to the top of the panel seat 110, the slider guide seat 310 is arranged at the top of the slider 211, a positioning pin group 320 is connected to the slider guide seat 310, and a guide groove (not marked in the figure) for guiding the slider 211 is formed in the bottom of the slider guide seat 310, the slider guide seat 310 and the positioning pin group 320 are matched to limit the position of the slider 211, and the slider guide seat 310 guides the moving direction of the slider 211 under the action of the cylinder 210;

[0037] Working principle: when the utility model is used, the cylinder 210 drives the slider 211 to move from the sliding groove 111, the moving direction of the slider 211 is limited and guided by the slider guide seat 310, and then the position of the elastic pressing head 220 is changed, the workpiece is clamped by every two adjacent elastic pressing heads 220, multi-station synchronous pressing is realized by the pneumatic linkage mechanism, the efficiency is improved, and the elastic pressing head 220 is designed to avoid damage to the surface of the workpiece caused by traditional rigid contact;

[0038] Although the utility model has been described above with reference to the embodiments, various improvements can be made and equivalent parts can be replaced without departing from the scope of the utility model. In particular, as long as there is no structural conflict, the features in the embodiments disclosed by the utility model can be combined in any way, and the combinations are not described exhaustively in the specification only for the purpose of saving space and resources. Therefore, the utility model is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A multi-station block workpiece CNC machining tooling fixture, characterized by, Include: The support (100) is connected with the panel seat (110) on the top, and a plurality of groups of slide grooves (111) are symmetrically arranged on the panel seat (110). The power assembly (200) is connected to the panel seat (110) and includes a plurality of groups of air cylinders (210) installed on the bottom of the panel seat (110) in a rectangular shape. The output end of the air cylinder (210) is symmetrically connected to two groups of slide blocks (211). The slide blocks (211) are in sliding fit with the slide grooves (111). The outer sides of the two groups of slide blocks (211) are connected with elastic pressure heads (220). The locking assembly (300) is provided with a plurality of groups, and the plurality of groups of locking assemblies (300) are one-to-one corresponding to the slide blocks (211) and lock and fix the slide blocks (211).

2. The multi-station block workpiece CNC machining tooling fixture of claim 1, wherein, The top of the support (100) is connected with a plurality of groups of positioning modules (120), and the plurality of groups of positioning modules (120) are arranged in a rectangular equidistant manner.

3. A multi-station block workpiece CNC machining tooling fixture according to claim 2, wherein, The elastic pressure head (220) adopts a polyurethane steel composite structure.

4. The multi-station block workpiece CNC machining tooling fixture of claim 1, wherein, The locking assembly (300) includes a slide block guide seat (310) connected to the top of the panel seat (110). The slide block guide seat (310) is arranged on the top of the slide block (211). The slide block guide seat (310) is connected with a positioning pin group (320).

5. A multi-station block workpiece CNC machining tooling fixture according to claim 4, wherein, The bottom of the slide block guide seat (310) is provided with a guide groove for guiding the slide block (211).