CN220347849U

CN220347849U - Machining clamp

Info

Publication number: CN220347849U
Application number: CN202322052195.1U
Authority: CN
Inventors: 於孝谦; 戚丽丽; 周星; 嵇士友; 权国政
Original assignee: Huanding Precision Mould Technology Kunshan Co ltd; Huanding Intelligent Technology Suzhou Co ltd
Current assignee: Huanding Precision Mould Technology Kunshan Co ltd; Huanding Intelligent Technology Suzhou Co ltd
Priority date: 2023-08-01
Filing date: 2023-08-01
Publication date: 2024-01-16
Anticipated expiration: 2033-08-01

Abstract

The application discloses a machining fixture. The machining fixture includes: the bottom plate, second clamping assembly, notch, fixed block, mounting groove and third clamping assembly have set gradually along length direction on the bottom plate, the notch is followed a side link up the setting of bottom plate, still be provided with first clamping assembly on the bottom plate, first clamping assembly dispose in notch is along one side of bottom plate width direction. Through above-mentioned mode, this application can be with the firm centre gripping of product, is convenient for punch processing and milling processing, effectively improves product precision.

Description

Machining clamp

Technical Field

The application relates to the technical field of machining fixtures, in particular to a machining fixture.

Background

A product is shown in FIG. 1, a transverse side surface is of a V-shaped bump structure, a first through hole is formed in the longitudinal end surface of the product, a side groove is formed from the V-shaped bump structure to the first through hole, and two second through holes are formed in the transverse end surface of the product. The parts that have not been perforated are nowadays subjected to a perforating process and to further milling finishing of all sides thereof to obtain the product. But because the product volume is less, in punching processing and milling process, all hardly carry out accurate positioning to the product, and the product slides easily in the course of working, produces the position offset, causes the punching error, influences the yields of product, needs a anchor clamps that can stabilize this product of centre gripping now, is convenient for punch processing and milling processing to this product.

Disclosure of Invention

To overcome the above drawbacks, the object of the present application is: the machining fixture is simple in structure and capable of effectively improving working efficiency.

In order to achieve the above purpose, the present application adopts the following technical scheme:

a machining fixture, comprising: the bottom plate, second clamping assembly, notch, fixed block, mounting groove and third clamping assembly have set gradually along length direction on the bottom plate, the notch is followed a side link up the setting of bottom plate, still be provided with first clamping assembly on the bottom plate, first clamping assembly dispose in notch is along one side of bottom plate width direction.

In a preferred embodiment, a sliding groove is disposed in the mounting groove, the sliding groove extends along the length direction of the bottom plate, and a positioning block is slidably disposed in the sliding groove.

In a preferred embodiment, the positioning block includes a sliding portion and a positioning portion, the sliding portion is disposed in the sliding groove, and the positioning portion protrudes from the sliding groove.

In a preferred embodiment, a mounting hole is formed at one end of the sliding portion along the length direction of the bottom plate, a spring is disposed in the mounting hole, one end of the spring is fixed in the mounting hole, and the other end of the spring is connected to the inner wall of the sliding groove.

In a preferred embodiment, the positioning portion is configured as a triangular structure, and an end portion of the triangular structure is configured as an arc.

In a preferred embodiment, the fixing block is provided with a V-shaped groove near an end face of the notch, and a processing groove is formed in a side edge of the fixing block near the notch.

In a preferred embodiment, the first clamping assembly comprises a first cylinder, and the end of the telescopic rod of the first cylinder is provided with a step.

In a preferred embodiment, the second clamping assembly includes a second oil cylinder, a second clamping block is disposed at an end of a telescopic rod of the second oil cylinder, a second guiding groove is disposed between the second oil cylinder and the notch, and the second clamping block is slidably disposed in the second guiding groove.

In a preferred embodiment, the third clamping assembly includes a third oil cylinder, a third clamping block is disposed at an end of a telescopic rod of the third oil cylinder, a third guide groove is disposed between the third oil cylinder and the mounting groove, and the third clamping block is slidably disposed in the third guide groove.

Advantageous effects

The machining fixture provided by the application is provided with the notch and the mounting groove on a bottom plate, three groups of clamping assemblies and fixing blocks are matched, the product is clamped at the position of the notch and the mounting groove respectively, when the product is fixed at the position of the notch, the upper end face, the lower end face, the front end face and the rear end face of the product are punched and milled, the product is moved to the position of the mounting groove, the left side surface and the right side surface of the product are milled and milled, the product can be clamped firmly through the fixture, the follow-up processing is convenient, the product precision is effectively improved, and the working efficiency is accelerated.

Drawings

The accompanying drawings are included to provide an understanding of the technical aspects of the present disclosure, and are incorporated in and constitute a part of this specification, illustrate the technical aspects of the present disclosure and together with the embodiments of the disclosure, not to limit the technical aspects of the present disclosure. The shapes and sizes of the various components in the drawings are not to scale, and are intended to be illustrative only of the present application.

FIG. 1 is a schematic perspective view of a product according to an embodiment of the present application;

FIG. 2 is a schematic perspective view of a machining fixture according to an embodiment of the present application;

FIG. 3 is a schematic top view of a machining fixture according to an embodiment of the present application;

FIG. 4 is a schematic cross-sectional view of the structure A-A of FIG. 3;

FIG. 5 is a schematic view of a positioning block of a machining fixture according to an embodiment of the present application;

reference numerals:

1. a product; 11. a first through hole; 12. a side groove; 13. a second through hole;

2. a bottom plate; 21. a notch;

3. a first clamping assembly; 31. a first cylinder; 32. a step;

4. a second clamping assembly; 41. a second cylinder; 42. a second clamping block; 43. a second guide groove;

5. a fixed block; 51. a V-shaped groove; 52. a processing groove;

6. a third clamping assembly; 61. a third cylinder; 62. a third clamping block; 63. a third guide groove;

7. a mounting groove; 71. a sliding groove; 72. a positioning block; 721. a sliding part; 722. a positioning part; 73. a mounting hole; 74. and (3) a spring.

Detailed Description

The above-described aspects are further described below in conjunction with specific embodiments. It should be understood that these examples are illustrative of the present application and are not limiting the scope of the present application. The implementation conditions employed in the examples may be further adjusted as in the case of the specific manufacturer, and the implementation conditions not specified are typically those in routine experiments.

The machining jig (hereinafter referred to as a machining jig) proposed in the present application is described next with reference to the accompanying drawings.

As shown in fig. 2, a machining fixture comprises a bottom plate 2, wherein a first station area and a second station area are arranged on the bottom plate 2, the first station area is used for punching a product 1 and milling part of end faces, and the second station area is used for milling other side faces of the product 1.

As shown in fig. 2-3, the first station area includes a notch 21 formed on a side of the bottom plate 2, a first clamping assembly 3 is disposed on the bottom plate 2, the first clamping assembly 3 is disposed on one side of the notch 21 along the width direction of the bottom plate, the first clamping assembly 3 includes a first oil cylinder 31, and a step 32 is disposed at an end of a telescopic rod of the first oil cylinder 31 for supporting the bottom of the product 1. The second clamping assembly 4 is arranged on one side of the notch 21 along the length direction of the bottom plate, the second clamping assembly 4 comprises a second oil cylinder 41 arranged on the bottom plate 2, a second clamping block 42 is connected to the end portion of a telescopic rod of the second oil cylinder 41, a second guide groove 43 is arranged between the second oil cylinder 41 and the notch 21, the second clamping block 42 can be slidably arranged in the second guide groove 43, and the movement direction of the second clamping block 42 can be guided.

As shown in fig. 1-3, a fixed block 5 is disposed on a side of the notch 21 away from the second clamping component 4, a V-shaped groove 51 is disposed on a side of the fixed block 5 close to the notch 21, and the V-shaped groove 51 is adapted to the V-shaped bump structure of the product 1, so that the side surface of the product 1 can be clamped in the V-shaped groove 51. When punching processing is carried out on the upper end face, the lower end face, the front end face and the rear end face of the product 1, the telescopic rod of the first oil cylinder 31 and the V-shaped groove 51 jointly act to support the product 1, so that the clamping stability of the product 1 is effectively improved.

As shown in fig. 2, a processing groove 52 is formed on one side of the fixing block 5 near the notch 21, so that the side of the product 1 can be processed by the side groove 12.

As shown in fig. 1-3, the external manipulator carries the product 1 to the first station area, that is, the product 1 is placed at the notch 21, the second oil cylinder 41 acts to drive the second clamping block 42 to extend, the product 1 is fixed between the second clamping block 42 and the fixed block 5, the V-shaped protruding block structure of the product 1 is matched with the V-shaped groove 51 of the fixed block 5, the first oil cylinder 31 acts, the telescopic rod thereof extends, the step 32 at the end part of the telescopic rod is placed at the bottom of the product 1, and the limiting effect is played on the end part and the bottom of the product 1. The external device performs punching processing of the first through hole 11 and the second through hole 13 on the upper end face and the side end face of the product 1, respectively, and performs side groove 12 processing on the product from the processing groove 52. Then the first oil cylinder 31 acts to drive the telescopic rod to retract, and milling and grinding the front and rear end faces and the upper and lower end faces of the product 1 are carried out.

As shown in fig. 2-4, the second station area includes an installation groove 7 configured at one side of the fixed block 5 far away from the notch 21, a third clamping assembly 6 is provided at one side of the installation groove 7 far away from the fixed block 5, the third clamping assembly 6 includes a third oil cylinder 61, a third clamping block 62 is configured at the end of a telescopic rod of the third oil cylinder 61, a third guide groove 63 is configured between the third oil cylinder 61 and the installation groove 7, the third clamping block 62 is cooperatively disposed in the third guide groove 63, and the movement of the third clamping block 62 is guided by the third guide groove 63. The product 1 is fixed in the mounting groove 7 by the cooperation of the third clamping block 62 and the fixing block 5.

As shown in fig. 2-5, a sliding groove 71 is formed at the bottom of the mounting groove 7, the sliding groove 71 extends from the direction of the fixed block 5 to the direction of the third clamping assembly 6, that is, along the length direction of the bottom plate 2, a positioning block 72 is slidably disposed in the sliding groove 71, the positioning block 72 includes a sliding portion 721 and a positioning portion 722, the sliding portion 721 is matched with the sliding groove 71 to be in a rectangular structure, a mounting hole 73 is formed at one end of the sliding portion 721 along the sliding direction, a spring 74 is disposed in the mounting hole 73, one end of the spring 74 is fixed in the mounting hole 73, and the other end is connected to the sliding groove 71, so that the position of the positioning block 72 can be adjusted.

As shown in fig. 1 to 5, the positioning portion 722 protrudes from the upper end surface of the sliding groove 71, and the positioning portion 722 is configured as a triangular structure, and the size of the triangular structure is matched with that of the first through hole 11 of the product 1, so as to be convenient for fixing the product 1. Preferably, the triangular structure of the positioning portion 722 has ends each provided in an arc shape, preventing abrasion to the inner wall of the first through hole 11 of the product 1.

As shown in fig. 1-5, after the product 1 is processed in the first station area, the product 1 is carried to the second station area, the product 1 is rotated 90 degrees and then placed in the mounting groove 7, the first through hole 11 of the product 1 is sleeved on the circumference of the positioning block 72, the third oil cylinder 61 acts to drive the third clamping block 62 to move, and the product 1 is fixed between the third clamping block 62 and the fixed block 5. The two side surfaces of the product 1 clamped in the first station area are milled.

The foregoing embodiments are provided to illustrate the technical concept and features of the present application and are intended to enable those skilled in the art to understand the contents of the present application and implement the same according to the contents, and are not intended to limit the scope of the present application. All such equivalent changes and modifications as come within the spirit of the disclosure are desired to be protected.

Claims

1. A machining fixture, comprising:

the bottom plate, second clamping assembly, notch, fixed block, mounting groove and third clamping assembly have set gradually along length direction on the bottom plate, the notch is followed a side link up the setting of bottom plate, still be provided with first clamping assembly on the bottom plate, first clamping assembly dispose in notch is along one side of bottom plate width direction.

2. The machining fixture of claim 1, wherein a sliding groove is arranged in the mounting groove, the sliding groove extends along the length direction of the bottom plate, and a positioning block is arranged in the sliding groove in a sliding manner.

3. The machining fixture of claim 2, wherein the positioning block includes a sliding portion disposed within the sliding channel and a positioning portion protruding from the sliding channel.

4. A machining jig according to claim 3, wherein one end of the sliding portion in the longitudinal direction of the base plate is provided with a mounting hole in which a spring is disposed, one end of the spring being fixed in the mounting hole, and the other end being connected to the inner wall of the sliding groove.

5. A machining jig according to claim 3, wherein the positioning portion is configured as a triangular structure, and an end of the triangular structure is provided in an arc shape.

6. The machining fixture of claim 1, wherein the fixing block is provided with a V-shaped groove near an end face of the notch, and a machining groove is formed in a side edge of the fixing block near the notch.

7. The machining fixture of claim 1, wherein the first clamping assembly comprises a first cylinder having a stepped end of a telescoping rod.

8. The machining fixture of claim 1, wherein the second clamping assembly comprises a second cylinder, a second clamping block is arranged at the end of a telescopic rod of the second cylinder, a second guide groove is arranged between the second cylinder and the notch, and the second clamping block is arranged in the second guide groove in a sliding manner.

9. The machining fixture of claim 1, wherein the third clamping assembly comprises a third cylinder, a third clamping block is arranged at the end of a telescopic rod of the third cylinder, a third guide groove is arranged between the third cylinder and the mounting groove, and the third clamping block is arranged in the third guide groove in a sliding mode.