CN219426609U

CN219426609U - Machining fixture

Info

Publication number: CN219426609U
Application number: CN202320132272.1U
Authority: CN
Inventors: 江俊; 江文杰; 虞林明
Original assignee: Hezhou Dafu Zhongzhou Technology Co ltd
Current assignee: Hezhou Dafu Zhongzhou Technology Co ltd
Priority date: 2023-01-13
Filing date: 2023-01-13
Publication date: 2023-07-28
Anticipated expiration: 2033-01-13

Abstract

The utility model discloses a machining fixture which comprises a base, a first clamping block is detachably connected to the base, a second clamping block is detachably connected to the base and is opposite to the first clamping block, a plurality of clamping grooves are formed by encircling the first clamping block, the second clamping block and the base, a plurality of fastening threaded holes are formed in the second clamping block, one fastening threaded hole is communicated with one clamping groove, a blank is accommodated in one clamping groove, a fastening screw extends into one clamping groove from one fastening threaded hole and is abutted against one blank, and the blank is fixed in the clamping groove. Through setting up a plurality of clamping grooves in this application, can process a plurality of blanks in single processing, improved the machining efficiency of blank to a great extent. Meanwhile, when in machining, the shape of the clamping groove is changed by changing the first clamping blocks or the second clamping blocks with different shapes, so that the clamping groove is suitable for machining blanks with different shapes, and the compatibility of the machining clamp is better.

Description

Machining fixture

Technical Field

The utility model relates to the technical field of machining jigs, in particular to a machining jig.

Background

Currently, a fixture is a device for fixing a machining object in a machining process so that the machining object occupies a correct position to receive construction or detection, and is also called a fixture. In a broad sense, any device used to quickly, conveniently and safely mount a workpiece at any stage in the process may be referred to as a fixture.

In the related art, a clamp for fixing a blank to be processed can only clamp one blank at a time, and when blanks with different shapes need to be processed, the whole clamp needs to be taken down from processing equipment, and the clamps with different shapes need to be replaced for processing again, that is, the compatibility of the existing clamp is poor, and the processing efficiency of the blank is affected.

Disclosure of Invention

The utility model mainly aims to provide a mechanical processing clamp which aims at improving the compatibility of the mechanical processing clamp and improving the efficiency of processing blanks.

To achieve the above object, the present utility model provides a machining jig for machining a blank, comprising:

a base;

the first clamping block is detachably connected to the base;

the second clamping block is detachably connected to the base and is arranged opposite to the first clamping block, the second clamping block and the base are enclosed to form a plurality of clamping grooves, a plurality of fastening threaded holes are formed in the second clamping block, one fastening threaded hole is communicated with one clamping groove, and the blank is accommodated in one clamping groove;

the fastening screws extend into the clamping groove from the fastening threaded holes and are abutted against the blank.

In an optional embodiment, the first clamping block includes a first block body and a plurality of first connecting pieces, the first block body is provided with a plurality of first connecting holes penetrating through the upper surface and the lower surface of the first block body, the base is provided with a plurality of first mounting holes, and one first connecting piece is arranged in the first connecting holes and one first mounting holes in a penetrating manner, so that the first block body is fixedly connected with the base.

In an optional embodiment, the first clamping block further includes a plurality of positioning pins, the first block body is provided with a plurality of first positioning holes penetrating through the upper surface and the lower surface of the first block body, the base is provided with a plurality of second positioning holes, and one positioning pin is inserted into one of the first positioning holes and one of the second positioning holes.

In an optional embodiment, a plurality of clamping notches are concavely formed on the surface of the first block facing to one side of the second clamping block, a plurality of clamping grooves are formed by surrounding the clamping notches and the outer side surface of the second clamping block, and the clamping notches are triangular in shape.

In an optional embodiment, the second clamping block includes a second block body and a plurality of second connecting pieces, the second block body is provided with a plurality of second connecting holes penetrating through the upper surface and the lower surface of the second block body, the base is provided with a plurality of second mounting holes, and one second connecting piece is arranged in a penetrating manner through one second connecting hole and one second mounting hole, so that the second block body is fixedly connected with the base.

In an alternative embodiment, the machining fixture further comprises a plurality of protection pads, one protection pad is sleeved on one end of the fastening screw and abuts against the outer surface of the blank.

In an alternative embodiment, the upper surface of the base is concavely provided with a plurality of anti-skid grooves, and the plurality of anti-skid grooves are positioned between the first clamping block and the second clamping block.

The utility model discloses a machining clamp which is used for machining blanks and comprises a base, wherein a first clamping block is detachably connected to the base, a second clamping block is detachably connected to the base and is opposite to the first clamping block, a plurality of clamping grooves are formed by encircling the first clamping block, the second clamping block and the base, a plurality of fastening threaded holes are formed in the second clamping block, one fastening threaded hole is communicated with one clamping groove, a blank is accommodated in one clamping groove, a fastening screw extends into one clamping groove from one fastening threaded hole and is abutted against one blank, and the blanks are fixed in the clamping groove. Through setting up a plurality of clamping grooves in this application, can process a plurality of blanks in single processing, improved the machining efficiency of blank to a great extent. Meanwhile, when in machining, the shape of the clamping groove is changed by changing the first clamping blocks or the second clamping blocks with different shapes, so that the clamping groove is suitable for machining blanks with different shapes, and the compatibility of the machining clamp is better.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a bar-shaped blank clamped in an embodiment of a machining fixture of the present utility model;

FIG. 2 is an exploded view of the structure of the machining fixture shown in FIG. 1;

FIG. 3 is a schematic view of the structure of the machining fixture of FIG. 1 clamping pentagonal blanks;

reference numerals illustrate:

reference numerals	Name of the name	Reference numerals	Name of the name
				1	Machining fixture	21c	Clamping gap
1a	Clamping groove	22	First connecting piece
				10	Base seat	23	Positioning pin
10a	First mounting hole	30	Second clamping block
				10b	Second positioning hole	30a	Fastening screw hole
10c	Second mounting hole	31	Second block body
				10d	Anti-skid groove	31a	Second connecting hole
20	First clamping deviceBlock and method for manufacturing the same	32	Second connecting piece
				21	First block	40	Fastening screw
21a	First connecting hole	2	Blank material
				21b	First positioning hole

The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

Furthermore, the description of "first," "second," etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

The present utility model proposes a machining fixture 1 with reference to fig. 1 to 3.

In the embodiment of the present utility model, the machining fixture 1 is used for machining a blank 2, wherein the blank 2 may be made of metal, plastic, wood, etc., and the shape of the blank may be round bar, rectangle, polygon, etc. In order to meet the requirement that the machining equipment machines blanks 2 with different shapes and improve the machining efficiency of the blanks 2, the machining fixture 1 comprises a base 10; a first clamping block 20, wherein the first clamping block 20 is detachably connected to the base 10; the second clamping block 30 is detachably connected to the base 10 and is opposite to the first clamping block 20, the second clamping block 30 and the base 10 are enclosed to form a plurality of clamping grooves 1a, the second clamping block 30 is provided with a plurality of fastening threaded holes 30a, one fastening threaded hole 30a is communicated with one clamping groove 1a, and one blank 2 is accommodated in one clamping groove 1 a; a plurality of fastening screws 40, wherein one fastening screw 40 extends into one clamping groove 1a from one fastening threaded hole 30a and is abutted against one blank 2.

Specifically, the base 10 is formed of a metal material by machining, and has a "T" shape in cross section, the base 10 is used for mounting the first clamping block 20 and the second clamping block 30, and the base 10 is fixed to a machining apparatus when machining the blank 2. The first clamping block 20 and the second clamping block 30 are detachably connected to the base 10 and are oppositely arranged, specifically, the first clamping block 20 comprises a first block 21 and a plurality of first connecting pieces 22, the first block 21 is provided with a plurality of first connecting holes 21a penetrating through the upper surface and the lower surface of the first block, the base 10 is provided with a plurality of first mounting holes 10a, the first connecting pieces 22 penetrate through the first connecting holes 21a and the first mounting holes 10a, the first block 21 and the base 10 are fixedly connected, the second clamping block 30 comprises a second block 31 and a plurality of second connecting pieces 32, the second block 31 is provided with a plurality of second connecting holes 31a penetrating through the upper surface and the lower surface of the second block, the base 10 is provided with a plurality of second mounting holes 10c, and the second connecting pieces 32 penetrate through the second connecting holes 31a and the second mounting holes 10c to fixedly connect the second block 31 and the base 10. It will be appreciated that the connectors may be screws or pins, i.e. when the first and second connectors 22, 32 are screws, the first and second mounting holes 10a, 10c are provided with screw structures therein, and when the first and second connectors 22, 32 are pins, the first and second mounting holes 10a, 10c are pin holes. The first clamping block 20 and the second clamping block 30 are installed and fixed through the first connecting piece 22 and the second connecting piece 32, so that the structure of the mechanical processing clamp 1 is simpler, the first clamping block 20 and the second clamping block 30 are installed more firmly, and the disassembly and assembly are more convenient.

The first clamping block 20, the second clamping block 30 and the base 10 enclose to form a plurality of clamping grooves 1a, that is, opposite side surfaces of the first block 21 and the second block 31 enclose to form a plurality of clamping grooves 1a with the upper surface of the base 10. It can be understood that the shape and the number of the clamping grooves 1a can be set according to actual needs, for example, in this embodiment, the shape of the clamping groove 1a is polygonal, the number of the clamping grooves 1a is six, and the polygonal clamping groove 1a is relatively stable when clamping the bar-shaped blank 2. A plurality of fastening screw holes 30a are formed in the side surface of the second block 31, the fastening screw holes 30a are communicated with the clamping groove 1a, and when the blank 2 is accommodated in the clamping groove 1a, the fastening screw 40 extends into the clamping groove 1a from the fastening screw holes 30a and abuts against the blank 2, so that the blank 2 is fixed in the clamping groove 1a.

In the application, a plurality of clamping grooves 1a are formed, so that a plurality of blanks 2 can be machined in a single machining process, and the machining efficiency of the blanks 2 is greatly improved. Meanwhile, during processing, the shape of the clamping groove 1a can be changed by changing the first clamping block 20 or the second clamping block 30 with different shapes, so that the clamping groove is suitable for processing blanks 2 with different shapes, and the compatibility of the mechanical processing clamp 1 is better.

Further, the first clamping block 20 further includes a plurality of positioning pins 23, the first block 21 is provided with a plurality of first positioning holes 21b penetrating through the upper and lower surfaces thereof, the base 10 is provided with a plurality of second positioning holes 10b, and one positioning pin 23 is inserted into one of the first positioning holes 21b and one of the second positioning holes 10b. The installation accuracy of the first block 21 can be improved by arranging the locating pin 23, so that the clamping accuracy of the machining clamp 1 is improved, and the machining effect of the machining accuracy of the blank 2 is better.

In an embodiment, the surface of the first block 21 facing to one side of the second clamping block 30 is concavely provided with a plurality of clamping notches 21c, the plurality of clamping notches 21c and the outer side surface of the second clamping block 30 enclose to form a plurality of clamping grooves 1a, and correspondingly the second block 31 faces to the first block 21 to form a plane, so that only the first block 21 needs to be processed, thereby greatly facilitating the production and manufacture of the machining fixture 1, the clamping notches 21c are triangular, and the machining fixture 1 can clamp the bar-shaped blank 2 or the polygonal blank 2 more firmly. Of course, the shape of the clamping notch 21c may be circular, square or other special-shaped structures, which is not particularly limited herein.

In an alternative embodiment, the machining fixture 1 further comprises a plurality of protection pads (not shown), wherein the protection pads are sleeved on the end portions of the fastening screws 40, and when the fastening screws 40 extend into the clamping grooves 1a from the fastening screw 40 holes, the protection pads are abutted against the outer surface of the blank 2. It should be noted that, the hardness of the material of the protection pad should be less than that of the machined hard bottom of the blank 2, so that the protection pad not only can press the blank 2 in the clamping groove 1a more firmly, but also can prevent the appearance surface of the blank 2 from being scratched.

Referring to fig. 2 again, in the present embodiment, a plurality of anti-skid grooves 10d are concavely formed on the upper surface of the base 10, and the plurality of anti-skid grooves 10d are located between the first clamping block 20 and the second clamping block 30. The firmness degree of clamping the blank 2 by the mechanical processing clamp 1 can be further improved by arranging the anti-skid grooves 10 d.

The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the utility model.

Claims

1. A machining fixture for machining a blank, the machining fixture comprising:

a base;

the first clamping block is detachably connected to the base;

2. The machining fixture of claim 1, wherein the first clamping block comprises a first block body and a plurality of first connecting pieces, wherein the first block body is provided with a plurality of first connecting holes penetrating through the upper surface and the lower surface of the first block body, the base is provided with a plurality of first mounting holes, and one first connecting piece penetrates through one first connecting hole and one first mounting hole to fixedly connect the first block body and the base.

3. The machining fixture of claim 2, wherein the first clamping block further comprises a plurality of positioning pins, the first block body is provided with a plurality of first positioning holes penetrating through the upper surface and the lower surface of the first block body, the base is provided with a plurality of second positioning holes, and one positioning pin is inserted into one of the first positioning holes and one of the second positioning holes.

4. The machining fixture of claim 2, wherein a surface of the first block facing the side of the second clamping block is concavely provided with a plurality of clamping notches, a plurality of clamping grooves are formed by surrounding a plurality of clamping notches and an outer side surface of the second clamping block, and the clamping notches are triangular in shape.

5. The machining fixture of claim 1, wherein the second clamping block comprises a second block body and a plurality of second connecting pieces, wherein the second block body is provided with a plurality of second connecting holes penetrating through the upper surface and the lower surface of the second block body, the base is provided with a plurality of second mounting holes, and one second connecting piece penetrates through one second connecting hole and one second mounting hole to fixedly connect the second block body and the base.

6. The machining fixture of any one of claims 1 to 5, further comprising a plurality of protective pads, one of the protective pads being sleeved over an end of the fastening screw and abutting an outer surface of the blank.

7. The machining fixture of any one of claims 1 to 5, wherein an upper surface of the base is recessed to form a plurality of anti-slip grooves between the first clamping block and the second clamping block.