CN215748828U

CN215748828U - Clamping fixture

Info

Publication number: CN215748828U
Application number: CN202122384419.XU
Authority: CN
Inventors: 徐希超; 刘强; 王清维; 陈永进; 孟凡勋; 商腾飞; 王世军; 王国涛
Original assignee: Dongguan Yili Precision Manufacturing Co ltd
Current assignee: Dongguan Yili Precision Manufacturing Co ltd
Priority date: 2021-09-29
Filing date: 2021-09-29
Publication date: 2022-02-08
Anticipated expiration: 2031-09-29

Abstract

The utility model discloses a clamping jig, and relates to the technical field of clamps. The clamping fixture comprises a fixing seat and a clamping device used for clamping a workpiece to be obliquely pushed, wherein the clamping device is rotatably arranged on the fixing seat, a plurality of groups of angle positioning structures are arranged between the clamping device and the fixing seat, and the angle positioning structures are used for positioning the clamping device rotating by a good angle so as to realize the angle positioning of the workpiece to be obliquely pushed. The clamping jig can meet the angle requirements of different inclined ejection workpieces, improves the working efficiency and reduces the production cost.

Description

Clamping fixture

Technical Field

The utility model relates to the technical field of clamps, in particular to a clamping jig.

Background

The die lifter is a structure used for forming an inner barb of a product in die design, is generally suitable for the situation of simpler barb, and in the existing processing equipment, a clamping jig is needed for processing a lifter workpiece.

However, the existing clamping jig has a single function, and can only be used for one workpiece or one angle, and when different workpieces are processed, the clamping jig needs to be replaced again, so that the labor intensity and the invalid working time are increased, the working efficiency is reduced, and the production cost is too high due to excessive clamping jigs.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model provides the clamping jig which can meet the angle requirements of different pitched roof workpieces, improves the working efficiency and reduces the production cost.

In order to solve the technical problems, the utility model adopts the technical scheme that:

the clamping fixture comprises a fixing seat and a clamping device used for clamping a workpiece to be obliquely pushed, wherein the clamping device is rotatably arranged on the fixing seat, a plurality of groups of angle positioning structures are arranged between the clamping device and the fixing seat, and the angle positioning structures are used for positioning the clamping device rotating by a good angle so as to realize the angle positioning of the workpiece to be obliquely pushed.

The clamping device comprises a clamping seat and a lower clamping mechanism, the clamping seat is rotatably arranged on the fixed seat, and the lower clamping mechanism is used for being matched with the clamping seat to clamp or loosen the inclined top workpiece.

The angle positioning structure comprises an indexing hole arranged on the fixing seat, a positioning hole arranged on the clamping seat and a positioning piece, wherein the positioning piece is used for penetrating the indexing hole and realizing the angle positioning of the fixing seat and the clamping seat in the positioning hole.

All the indexing holes are distributed on a plurality of concentric fixed seat arc lines, all the positioning holes are distributed on a plurality of concentric clamping seat arc lines, and the fixed seat arc lines and the clamping seat arc lines are coaxially arranged.

The lower clamping mechanism comprises a chuck arranged on the clamping seat in a sliding mode and a driving piece used for driving the chuck to move on the clamping seat.

The clamping seat comprises a rotating part and a bearing part arranged on the side part of the rotating part; the chuck comprises a sliding part and a clamping part arranged on the side part of the sliding part; the rotating part rotates to be arranged on the fixed seat, the sliding part slides to be arranged on the rotating part, and the clamping part is used for being matched with the bearing part to clamp or loosen the inclined top workpiece.

Wherein, be provided with on the rotating part with the spout of sliding part adaptation.

The sliding part is provided with a sliding guide part matched with the sliding guide groove.

The driving piece is a screw rod, and the screw rod penetrates through the clamping seat and is in threaded connection with the chuck.

Wherein, be provided with the connection structure who is used for being connected with the processing platform on the fixing base.

By adopting the technical scheme, the utility model has the beneficial effects that:

the clamping jig provided by the utility model provides convenience for processing different pitched roof workpieces, when different pitched roof workpieces are processed, the angle adjustment of the pitched roof workpieces is realized only by rotating the clamping device, and the angle positioning of the pitched roof workpieces is realized by positioning the clamping device which rotates by a good angle through the angle positioning structure, so that the clamping jig does not need to be replaced again.

Drawings

FIG. 1 is a schematic view of a first view angle of a clamping fixture according to the present invention;

FIG. 2 is a schematic structural view of a second viewing angle of the clamping fixture according to the present invention;

FIG. 3 is a schematic structural view of a third viewing angle of the clamping fixture according to the present invention;

FIG. 4 is a schematic view of the structure of the clamping device of FIG. 1;

in the figure: 1. a fixed seat; 11. a fixed part; 12. a support portion; 13. indexing holes; 14. connecting holes; 2. a clamping seat; 21. a rotating part; 22. a bearing part; 23. positioning holes; 3. a chuck; 31. a sliding part; 32. a clamping portion; 33. a slide guide portion; 4. a screw; 5. a positioning member; 6. a central axis.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

As shown in fig. 1 to 4, the clamping fixture includes a fixing base 1 and a clamping device for clamping a workpiece (not shown in the figure) to be pitched, the clamping device is rotatably disposed on the fixing base 1, and a plurality of groups of angle positioning structures are disposed between the clamping device and the fixing base 1, and the angle positioning structures are used for positioning the clamping device rotated at a good angle to realize angle positioning of the workpiece to be pitched.

Wherein, clamping device includes grip slipper 2 and presss from both sides the mechanism down, and grip slipper 2 rotates and sets up on fixing base 1, presss from both sides the mechanism down and is used for cooperating with grip slipper 2 with the centre gripping or unclamp the oblique top work piece.

Preferably, the lower clamping mechanism comprises a clamping head 3 which is arranged on the clamping seat 2 in a sliding mode, and a driving piece which is used for driving the clamping head 3 to move on the clamping seat 2.

Specifically, the holder 2 includes a rotation portion 21 and a bearing portion 22 provided at a side portion of the rotation portion 21; the chuck 3 comprises a sliding part 31 and a clamping part 32 arranged at the side part of the sliding part 31; the rotating part 21 is rotatably arranged on the fixed seat 1, the sliding part 31 is slidably arranged on the rotating part 21, and the clamping part 32 is used for cooperating with the supporting part 22 to clamp or release a pitched-roof workpiece.

In order to improve the sliding linearity of the collet 3 and ensure the stability and accuracy of clamping, the rotating portion 21 of the present embodiment is provided with a sliding groove (not shown) adapted to the sliding portion 31, and the sliding portion 31 is slidably mounted in the sliding groove.

In order to further improve the sliding linearity of the chuck 3 and ensure the stability and accuracy of clamping, the embodiment is provided with a sliding guide groove (not shown in the figure) on the groove wall of the chute, and a sliding guide part 33 matched with the sliding guide groove is arranged on the sliding part 31, and the sliding guide part 33 is slidably mounted in the sliding guide groove.

Because the screw transmission has the advantages of simple structure, large transmission axial force, self-locking, high positioning precision and the like, the driving piece in the embodiment is preferably the screw 4, and the screw 4 penetrates through the clamping seat 2 to be in threaded connection with the chuck 3.

Specifically, the screw rod 4 includes a rod portion and a head portion disposed on the rod portion, a through hole (not shown in the figure) is disposed on the rotating portion 21 of the clamping seat 2, a threaded hole (not shown in the figure) adapted to the rod portion is disposed on the sliding portion 31 of the chuck 3, and the rod portion of the screw rod 4 passes through the through hole and is in threaded connection with the threaded hole.

The angle positioning structure in this embodiment includes the indexing hole 13 disposed on the fixing base 1, the positioning hole 23 disposed on the clamping base 2, and the positioning member 5, wherein the positioning member 5 is used to penetrate into the indexing hole 13 and the positioning hole 23 to realize the angle positioning between the fixing base 1 and the clamping base 2.

Specifically, the fixed seat 1 comprises a fixed part 11 and a support part 12 vertically arranged on the fixed part 11, a central shaft 6 is fixedly arranged on the support part 12, and a rotating part 21 of the clamping seat 2 is rotatably arranged on the central shaft 6; all the indexing holes 13 are distributed on a plurality of concentric fixed seat arc lines, all the positioning holes 23 are distributed on a plurality of concentric clamping seat arc lines, and the fixed seat arc lines and the clamping seat arc lines are coaxially arranged by taking the central shaft 6 as a central shaft.

The positioning piece 5 in the embodiment is preferably a positioning pin which is convenient to insert and pull, and the clamping speed is greatly improved.

In order to facilitate connection with a processing table of a processing device, the fixing base 1 of the present embodiment is provided with a connection structure for connection with the processing table.

Specifically, the connection structure includes a connection hole 14, and the connection hole 14 is located on the fixing portion 11.

When in use, the fixing part 11 of the fixing seat 1 is connected to a processing table of processing equipment; then placing the obliquely-ejecting workpiece between the supporting part 22 of the clamping seat 2 and the clamping part 32 of the chuck 3, and screwing the screw rod 4 to enable the chuck 3 to move downwards so as to enable the chuck 3 and the clamping seat 2 to clamp the obliquely-ejecting workpiece in a matched manner; then realize the angle modulation of pushing up the work piece to one side through rotatory grip slipper 2, the angle location of the good angle back grip slipper 2 realization pushing up the work piece to one side of rethread angle location structure location rotation, later alright process the work piece to one side through processing equipment.

The clamping jig is simple in structure and convenient to use, one set of clamping jig can meet the angle requirements of different pitched roof workpieces, convenience is provided for processing different pitched roof workpieces, the labor intensity is reduced, the invalid working time and the production cost are reduced, and the working efficiency is improved.

The present invention is not limited to the above-described embodiments, and those skilled in the art will be able to make various modifications without departing from the spirit and scope of the present invention.

Claims

1. The clamping jig is characterized by comprising a fixed seat and a clamping device used for clamping a workpiece to be obliquely pushed, wherein the clamping device is rotatably arranged on the fixed seat, a plurality of groups of angle positioning structures are arranged between the clamping device and the fixed seat, and the angle positioning structures are used for positioning the clamping device rotating by a good angle so as to realize the angle positioning of the workpiece to be obliquely pushed.

2. The clamping fixture of claim 1, wherein the clamping device comprises a clamping seat and a lower clamping mechanism, the clamping seat is rotatably disposed on the fixed seat, and the lower clamping mechanism is used for cooperating with the clamping seat to clamp or release the pitched roof workpiece.

3. The clamping fixture of claim 2, wherein the angular positioning structure comprises an indexing hole disposed on the fixing base, a positioning hole disposed on the clamping base, and a positioning member, the positioning member being configured to penetrate into the indexing hole and the positioning hole to achieve angular positioning between the fixing base and the clamping base.

4. The clamping jig of claim 3, wherein all the indexing holes are distributed on a plurality of concentric fixed seat circular arc lines, all the positioning holes are distributed on a plurality of concentric clamping seat circular arc lines, and the fixed seat circular arc lines and the clamping seat circular arc lines are coaxially arranged.

5. The clamping fixture of claim 2, wherein the lower clamping mechanism comprises a clamping head slidably disposed on the clamping seat, and a driving member for driving the clamping head to move on the clamping seat.

6. The clamping jig of claim 5, wherein the clamping base comprises a rotating part and a bearing part arranged on the side part of the rotating part; the chuck comprises a sliding part and a clamping part arranged on the side part of the sliding part; the rotating part rotates to be arranged on the fixed seat, the sliding part slides to be arranged on the rotating part, and the clamping part is used for being matched with the bearing part to clamp or loosen the inclined top workpiece.

7. The clamping jig of claim 6, wherein the rotating portion is provided with a sliding groove adapted to the sliding portion.

8. The clamping jig of claim 7, wherein a sliding guide groove is formed on a groove wall of the sliding groove, and a sliding guide portion adapted to the sliding guide groove is formed on the sliding portion.

9. The clamping fixture of claim 5, wherein the driving member is a threaded rod, and the threaded rod passes through the clamping seat and is in threaded connection with the chuck.

10. The clamping jig of claim 1, wherein the fixing base is provided with a connecting structure for connecting with a processing table.