CN111644867B

CN111644867B - Jig tool

Info

Publication number: CN111644867B
Application number: CN202010172830.8A
Authority: CN
Inventors: 陈连友; 朱川峰; 陈鄂云; 郑国辉
Original assignee: Jinjihu Precision Machienry Wuhan Co ltd
Current assignee: Jinjihu Precision Machienry Wuhan Co ltd
Priority date: 2020-03-13
Filing date: 2020-03-13
Publication date: 2022-04-01
Anticipated expiration: 2040-03-13
Also published as: CN111644867A

Abstract

A jig comprises a first fixing seat and further comprises a first fixing mechanism, wherein the first fixing mechanism comprises a first driving part, a plurality of first clamping blocks and a plurality of first elastic parts, the first clamping blocks are movably arranged on the first fixing seat, each first elastic part elastically abuts against one first clamping block, the first driving part is rotatably arranged on the first fixing seat, the first driving part comprises a plurality of avoiding parts, and when the first driving part rotates to enable the avoiding parts to be aligned with the first clamping blocks, the first clamping blocks are driven by the first elastic parts to extend out; when the avoiding part is staggered with the first clamping block, the first driving part abuts against the first clamping block to enable the first clamping block to retract.

Description

Jig tool

Technical Field

The invention relates to a jig.

Background

Before a workpiece is machined, the workpiece needs to be fixed through a jig. The existing jig is complex in structure and needs complicated operation steps when a workpiece is taken and placed. This affects the work efficiency and increases the burden on the operator.

Disclosure of Invention

In view of the above, it is desirable to provide a jig with simple operation.

Furthermore, the first clamping block comprises a first body and a first abutting portion, the plurality of first bodies are used for clamping the workpiece together, and the first abutting portion is used for abutting the workpiece against the first fixed seat.

Furthermore, the first fixing mechanism further comprises a first supporting block and an elastic part, the first supporting block is arranged on the first fixing seat, and the elastic part elastically supports the first supporting block, so that the workpiece is elastically supported by the first supporting block.

Furthermore, the jig further comprises a second fixed seat and a second fixed mechanism, the second fixed mechanism comprises a second driving part, a plurality of second clamping blocks and a plurality of second elastic parts, the second clamping blocks are movably arranged on the second fixed seat, each second elastic part elastically supports one second clamping block, the second driving part comprises a cam, and after the cam rotates, the cam can avoid to enable the second clamping blocks to extend out under the driving of the second elastic parts; or the second driving part is propped against the first fixing mechanism to enable the second driving part to retract, the first fixing mechanism is used for fixing the first part of the workpiece, and the second fixing mechanism is used for fixing the second part of the workpiece.

Furthermore, one side of the bottom surface of the second fixing seat is pivoted to the first fixing seat, the other side of the bottom surface of the second fixing seat is provided with an inclined surface, the first fixing seat further comprises an adjusting piece, the adjusting piece is slidably arranged on the first fixing seat, and the adjusting piece abuts against different positions of the inclined surface after sliding, so that the angle between the second fixing seat and the first fixing seat is changed.

Furthermore, the first fixed seat is connected with the second fixed seat through a third elastic piece.

Further, the regulating part includes push rod and kicking block, the push rod screw thread is worn to locate first fixing base connects the kicking block, the kicking block is used for the top to hold the inclined plane.

Further, the jig further comprises a mounting seat, the mounting seat comprises a supporting frame and a mounting plate, and the mounting plate is arranged on the supporting frame and used for being connected with the first fixing seat.

Furthermore, one side of the mounting plate is pivoted with the support frame, and the mounting seat further comprises a propping piece which props against the other side of the mounting plate and is used for adjusting the angle of the mounting plate relative to the support frame.

Further, the mounting seat further comprises a fourth elastic piece, and the fourth elastic piece is connected with the mounting plate and the supporting frame.

The jig is simple in structure, and only the first driving piece and the second driving piece need to be rotated when the jig is used.

Drawings

Fig. 1 is a schematic perspective view of a jig according to an embodiment of the invention.

Fig. 2 is a schematic perspective view of the jig shown in fig. 1 at another angle.

Fig. 3 is a partially exploded view of the jig shown in fig. 1.

Fig. 4 is a perspective view of the jig shown in fig. 1 after the first fixing seat and the mounting seat are separated.

Description of the main elements

Jig 100

First fixing seat 10

First profile groove 11

Adjusting part 12

Push rod 121

Top block 122

Second fixed seat 20

Second contour groove 21

Bevel 22

First fixing mechanism 30

First driving member 31

Escape part 311

First clamping block 32

First body 321

First abutting part 323

First driving part 325

First elastic member 33

First support block 34

Second fixing mechanism 40

Second driving member 41

Second clamping block 42

Second body 421

Second abutting portion 423

Second driving part 425

Second elastic member 43

Second support block 44

Third elastic member 50

Mounting base 60

Support frame 61

Mounting plate 62

Guide block 621

Positioning rod 622

Holding member 63

Fourth elastic member 64

The following detailed description will further illustrate the invention in conjunction with the above-described figures.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "or/and" includes any and all combinations of one or more of the associated listed items.

Some embodiments of the invention are described in detail below with reference to the accompanying drawings. In the following embodiments, features of the embodiments may be combined with each other without conflict.

Referring to fig. 1, an embodiment of the invention provides a fixture 100 for fixing a workpiece (not shown). The workpiece comprises a first part and a second part which are pivoted.

The fixture 100 includes a first fixing base 10, a second fixing base 20, a first fixing mechanism 30 and a second fixing mechanism 40. The first fixing mechanism 30 is disposed on the first fixing base 10 for fixing the first portion. The second fixing mechanism 40 is disposed on the second fixing base 20 for fixing the second portion.

It is understood that in other embodiments, the second holder 20 and the second securing mechanism 40 may be omitted when the second portion of the workpiece does not need to be secured.

The first fixed seat 10 is provided with a first contour groove 11. The first profile groove 11 is profiled to the outer surface of the first part.

The second fixed seat 20 is provided with a second contour groove 21. The second profile groove 21 is profiled to the outer surface of the second part.

It is understood that in other embodiments, the first contour groove 11 and the second contour groove 21 may be omitted, and the workpiece may be directly fixed by the first fixing mechanism 30 and the second fixing mechanism 40.

Referring to fig. 3, the first fixing mechanism 30 includes a first driving member 31, a plurality of first clamping blocks 32, and a plurality of first elastic members 33. The first clamping blocks 32 are movably disposed in the first fixing seat 10. Each of the first elastic members 33 elastically abuts against one of the first clamping blocks 32. The first clamping blocks 32 are pressed by the first elastic piece 33 to clamp the first part. The first driving member 31 is used for driving the plurality of first clamping blocks 32 to retract so as to release the first part.

In the illustrated embodiment, the first clamping blocks 32 are four in number. Every two first clamping blocks 32 are oppositely arranged on the first fixed seat 10.

In the illustrated embodiment, the first clamping block 32 includes a first body 321 and a first abutting portion 323. The first abutting portion 323 is located on a side of the first body 321 away from the first contour groove 11. The first body 321 clamps the first portion together with another first body 321 arranged opposite. The first abutting portion 323 is used for abutting the first portion against the groove wall of the first contour groove 11. In the illustrated embodiment, one of the first clamping blocks 32 is located at the joint of the first portion and the second portion, so that the first clamping block 32 is not provided with the first abutting portion 323 to avoid interference with the second portion.

Each of the first clamping blocks 32 further includes a first driving portion 325. The first driving part 325 is located on one side of the first body 321 facing the first fixing base 10. The first driving member 31 is substantially annular. The first driving member 31 is rotatably mounted in the first fixing seat 10. The first driver 31 includes a plurality of escape portions 311. Each of the escape portions 311 corresponds to one of the first clamping blocks 32. The diameter of the escape portion 311 is smaller than the diameter of the other portions of the first driving portion 325. When the avoiding part 311 is aligned with the first clamping block 32, the first clamping block 32 is driven by the first elastic member 33 to extend; when the first driving member 31 rotates to make the avoiding portion 311 and the first clamping block 32 staggered, the first driving member 31 abuts against the first driving portion 325 to make the first clamping block 32 retract.

In the illustrated embodiment, the first fixing mechanism 30 further includes a first supporting block 34 and an elastic member (not shown). The first supporting block 34 is disposed at the bottom of the first contour groove 11. The elastic member elastically abuts against the first supporting block 34, so that the first supporting block 34 elastically supports the first portion.

The second fixing mechanism 40 includes a second driving element 41, a plurality of second clamping blocks 42, and a plurality of second elastic elements 43. The second clamping blocks 42 are movably disposed in the second fixing base 20. Each of the second elastic members 43 elastically abuts against one of the second clamping blocks 42. The second clamping blocks 42 are pressed by the second elastic piece 43 to clamp the second part. The second driving member 41 is used for driving the plurality of second clamping blocks 42 to retract so as to release the second part.

In the illustrated embodiment, the second clamping blocks 42 are two in number. The two second clamping blocks 42 are oppositely arranged on the second fixed seat 20.

In the illustrated embodiment, the second clamping block 42 includes a second body 421 and a second abutting portion 423. The second body 421 clamps the second portion together with another second body 421 disposed opposite thereto. The second abutting portion 423 is used for abutting the second portion against the groove wall of the second contour groove 21.

Each of the second clamping blocks 42 further includes a second driving portion 425. The second driver 41 includes a cam 411. The radius of different parts of the cam 411 is different. After the cam 411 rotates, the second clamping block 42 can be avoided to extend under the driving of the second elastic piece 43; or abut against the second driving part 425 to retract the second clamping block 42.

In the illustrated embodiment, the second fixing mechanism 40 further includes a second supporting block 44 and an elastic member (not shown). The second supporting block 44 is disposed at the bottom of the second contour groove 21. The elastic member elastically abuts against the second supporting block 44, so that the second supporting block 44 elastically supports the second portion.

Referring to fig. 2, in the illustrated embodiment, one side of the bottom surface of the second fixing base 20 is pivotally connected to the first fixing base 10 (see fig. 4). The other side of the bottom surface of the second fixed seat 20 is provided with an inclined surface 22. The first holder 10 further comprises an adjusting member 12. The adjusting member 12 is slidably disposed on the first fixing base 10. The adjusting member 12 abuts against different positions of the inclined surface 22 after sliding, so that the second fixing seat 20 is inclined at different angles relative to the first fixing seat 10.

In the illustrated embodiment, the first fixing seat 10 and the second fixing seat 20 are further connected by a third elastic element 50. The third elastic member 50 is connected to a side adjacent to the inclined surface 22.

The adjusting member 12 includes a push rod 121 and a top block 122. The push rod 121 is threaded through the first fixing seat 10 and connected to the top block 122. The top block 122 is used for supporting the inclined plane 22.

Referring to fig. 2 and 4, the jig 100 further includes a mounting base 60. The mounting seat 60 is connected with the first fixing seat 10. The mounting base 60 is used for mounting on a processing device. The mounting base 60 includes a support frame 61 and a mounting plate 62. The mounting plate 62 is installed on the inclined side of the supporting frame 61 and is used for connecting the first fixing seat 10.

The mounting plate 62 is provided with a guide block 621. The guide block 621 is used for guiding when the first fixing base 10 is installed. The mounting plate 62 is also provided with a locating rod 622. The positioning rod 622 is used for positioning the first fixing seat 10.

One side of the mounting plate 62 is pivotally connected to the support frame 61. The mount 60 also includes a top support 63. The supporting member 63 supports against the other side of the mounting plate 62, and is used for adjusting the angle of the mounting plate 62 relative to the supporting frame 61.

In the illustrated embodiment, the holding member 63 is a screw. The supporting member 63 is threaded through the supporting frame 61 and supports the mounting plate 62.

In the illustrated embodiment, the mount 60 further includes a fourth resilient member 64. The fourth elastic member 64 connects the mounting plate 62 and the supporting frame 61 and is located at a side close to the supporting member 63.

When the jig 100 is used: rotating the first driver 31 moves the first plurality of blocks 32 away from each other and rotating the second driver 41 moves the second plurality of blocks 42 away from each other. A first portion of the workpiece is placed in the first profile groove 11 and a second portion is placed in the second profile groove 21. And then the first driving member 31 and the second driving member 41 are respectively rotated to make the first clamping block 32 clamp the first part and the second clamping block 42 clamp the second part.

When the angle needs to be adjusted: the push rod 121 is rotated to move the top block 122. The top block 122 supports the inclined plane 22, so that the second fixing base 20 rotates relative to the first fixing base 10, and the second portion is driven to rotate relative to the first portion. The rotating supporting member 63 rotates the mounting plate 62 to drive the jig 100 and the workpiece to rotate integrally.

The jig 100 has a simple structure, and only the first driving member 31 and the second driving member 41 need to be rotated when in use.

It is understood that various other changes and modifications may be made by those skilled in the art based on the technical idea of the present invention, and all such changes and modifications are intended to fall within the scope of the present invention.

Claims

1. The utility model provides a jig, includes first fixing base, its characterized in that: the jig further comprises a first fixing mechanism, the first fixing mechanism comprises a first driving piece, a plurality of first clamping blocks and a plurality of first elastic pieces, the first clamping blocks are movably arranged on the first fixing seat, each first elastic piece elastically abuts against one first clamping block, the first driving piece is rotatably arranged on the first fixing seat, the first driving piece comprises a plurality of avoiding portions, and when the first driving piece rotates to enable the avoiding portions to be aligned with the first clamping blocks, the first clamping blocks are driven by the first elastic pieces to extend out; when the avoiding part is staggered with the first clamping block, the first driving part abuts against the first clamping block to enable the first clamping block to retract;

the jig further comprises a second fixing seat and a second fixing mechanism, the second fixing mechanism comprises a second driving part, a plurality of second clamping blocks and a plurality of second elastic pieces, the second clamping blocks are movably arranged on the second fixing seat, each second elastic piece elastically supports one second clamping block, each second clamping block comprises a second driving part, each second driving part comprises a cam, the cam can avoid the second clamping block to extend out or support the second driving part under the driving of the second elastic piece to enable the second clamping block to retract after rotating, one side of the bottom surface of each second fixing seat is pivoted with the first fixing seat, the other side of the bottom surface of each second fixing seat is provided with an inclined surface, each first fixing seat further comprises an adjusting piece, each adjusting piece is slidably arranged on the first fixing seat, and each adjusting piece supports different positions of the inclined surface after sliding, the first fixing seat is connected with the second fixing seat through a third elastic piece, the adjusting piece comprises a push rod and a top block, the push rod is arranged on the first fixing seat in a threaded penetrating mode and connected with the top block, and the top block is used for supporting the inclined plane; and

the first fixing mechanism is used for fixing a first part of a workpiece, and the second fixing mechanism is used for fixing a second part of the workpiece.

2. The jig of claim 1, wherein: the first clamping block comprises first bodies and first abutting parts, the first bodies are used for clamping workpieces together, and the first abutting parts are used for abutting the workpieces against the first fixed seat.

3. The jig of claim 2, wherein: the first fixing mechanism further comprises a first supporting block and an elastic piece, the first supporting block is arranged on the first fixing seat, and the elastic piece elastically supports the first supporting block, so that the workpiece is elastically supported by the first supporting block.

4. The jig of claim 1, wherein: the jig further comprises a mounting seat, the mounting seat comprises a supporting frame and a mounting plate, and the mounting plate is arranged on the supporting frame and used for being connected with the first fixing seat.

5. The jig of claim 4, wherein: one side of the mounting plate is pivoted with the support frame, the mounting seat further comprises a propping piece, and the propping piece props against the other side of the mounting plate and is used for adjusting the angle of the mounting plate relative to the support frame.

6. The jig of claim 5, wherein: the mounting base further comprises a fourth elastic piece, and the fourth elastic piece is connected with the mounting plate and the supporting frame.