CN217530088U

CN217530088U - Clamping fixture

Info

Publication number: CN217530088U
Application number: CN202221823516.2U
Authority: CN
Inventors: 肖广超; 杨珂; 罗凯凯; 杨爱法
Original assignee: Goertek Inc
Current assignee: Goertek Inc
Priority date: 2022-07-15
Filing date: 2022-07-15
Publication date: 2022-10-04
Anticipated expiration: 2032-07-15

Abstract

The utility model discloses a clamping jig relates to anchor clamps technical field. The clamping jig comprises a base, an adjusting seat and a clamping device for clamping a workpiece, wherein the adjusting seat is arranged on the base through a pose adjusting mechanism, and the pose adjusting mechanism is used for adjusting the levelness of the adjusting seat; the clamping device rotates to be arranged on the adjusting seat, a plurality of groups of angle positioning structures are arranged between the clamping device and the adjusting seat, and the angle positioning structures are used for positioning the rotating angle of the clamping device to realize the angle positioning of the workpiece. The utility model discloses the angle location requirement of different work pieces can be satisfied to the centre gripping tool, has improved work efficiency, has reduced manufacturing cost.

Description

Clamping fixture

Technical Field

The utility model relates to an anchor clamps technical field, concretely relates to clamping jig.

Background

The die lifter is a structure used for forming an internal barb of a product in die design, and is generally applicable to simpler barb conditions.

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

To the above defect that prior art exists, the utility model provides a clamping jig, this clamping jig can satisfy the angular positioning requirement of different work pieces, has improved work efficiency, has reduced manufacturing cost.

In order to solve the technical problem, the utility model discloses a technical scheme is:

the clamping jig comprises a base, an adjusting seat and a clamping device for clamping a workpiece, wherein the adjusting seat is arranged on the base through a pose adjusting mechanism, and the pose adjusting mechanism is used for adjusting the levelness of the adjusting seat; the clamping device rotates and is arranged on the adjusting seat, a plurality of groups of angle positioning structures are arranged between the clamping device and the adjusting seat, and the angle positioning structures are used for positioning the rotating angle of the clamping device so as to realize the angle positioning of the workpiece.

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

The angle positioning structure comprises an indexing hole arranged on the adjusting 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 positioning in the positioning hole, and the clamping seat is positioned at the angle of the adjusting seat.

All the indexing holes are distributed on a plurality of concentric adjusting seat arc lines, all the positioning holes are distributed on a plurality of concentric clamping seat arc lines, and the adjusting 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 which is connected to the clamping seat in a threaded mode and used for driving the chuck to clamp the workpiece.

The clamping seat comprises a seat body and a cover plate, the seat body comprises a rotating part and a bearing part which is convexly arranged at one end of the rotating part, and the cover plate is detachably arranged at the other end of the rotating part; the chuck slides and sets up on the rotating part and be located the supporting part with between the apron, driving piece threaded connection is in on the apron, the chuck be used for with the supporting part cooperation is in order to centre gripping or unclamp the work piece.

And a workpiece avoiding groove is formed at the included angle between the rotating part and the bearing part.

The pose adjusting mechanism comprises a locking structure and a plurality of elastic adjusting structures arranged at intervals, the elastic adjusting structures are matched with each other to adjust the levelness of the adjusting seat, and the locking structure is used for fixing and adjusting the levelness of the adjusting seat.

Wherein, the elasticity is adjusted the structure and is included retaining member and elastic component, adjust be provided with on the seat with retaining member clearance fit's installation through-hole, the retaining member passes in proper order installation through-hole with the elastic component with base threaded connection.

Wherein, be provided with on the base by the piece, it corresponds to adjust the seat be provided with in the position department of being pushed up the piece be used for the holding by the storage tank of piece, locking structure includes threaded connection the top tight piece on the cell wall of storage tank, it is used for the top tight to push up the piece is pushed up.

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

the utility model provides a clamping jig facilitates for processing different work pieces, when processing different work pieces, only needs to adjust the levelness of adjusting the seat through position appearance adjustment mechanism, then realizes the angle modulation of work piece through rotatory clamping device, and the last clamping device after the angle is rotated through the angular positioning structure location again realizes the angular positioning of work piece can, need not to change clamping jig again, compares with prior art, the utility model discloses clamping jig simple structure, convenient to use, one set of clamping jig just can satisfy the angular positioning requirement of different work pieces, has reduced intensity of labour, invalid operating time and manufacturing cost, has improved work efficiency.

Drawings

Fig. 1 is a schematic structural view of the clamping jig of the present invention;

FIG. 2 is a schematic view of the other side of FIG. 1;

FIG. 3 is an exploded view of the clamping device of FIG. 1;

FIG. 4 is an exploded view of the base and adjustment block of FIG. 1;

in the figure: 1. a base; 11. a supported piece; 2. an adjusting seat; 21. an adjustment part; 22. a support portion; 23. indexing holes; 24. a central shaft; 25. a containing groove; 3. a clamping device; 31. a clamping seat; 311. a rotating part; 312. a bearing part; 313. a cover plate; 314. positioning holes; 315. a workpiece avoidance groove; 32. a chuck; 321. a sliding part; 322. a clamping part; 33. a drive member; 4. a locking member; 5. a spring; 6. an elastic washer; 7. and a top fastening piece.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

As shown in fig. 1 to 4, the clamping jig comprises a base 1, an adjusting seat 2 and a clamping device 3 for clamping a workpiece, wherein the adjusting seat 2 is arranged on the base 1 through a pose adjusting mechanism, and the pose adjusting mechanism is used for adjusting the levelness of the adjusting seat 2; clamping device 3 rotates and sets up on adjusting seat 2, and is provided with multiunit angle location structure between clamping device 3 and the adjusting seat 2, and angle location structure is used for the angle location of the clamping device 3 of the good angle of location rotation in order to realize the work piece.

Wherein, clamping device 3 includes grip slipper 31 and sets up the lower clamp mechanism on grip slipper 31, and grip slipper 31 rotates and sets up on adjusting seat 2, and lower clamp mechanism is used for cooperating with grip slipper 31 in order to centre gripping or unclamp the work piece.

The lower clamping mechanism in this embodiment comprises a clamping head 32 slidably arranged on the clamping seat 31, and a driving piece 33 which is screwed on the clamping seat 31 and is used for driving the clamping head 32 to clamp the workpiece.

Specifically, the holder 31 includes a holder body including a rotating portion 311 and a supporting portion 312 protrudingly provided at one end of the rotating portion 311, and a cover plate 313 detachably provided at the other end of the rotating portion 311 by a bolt; the collet 32 is slidably disposed on the rotating portion 311 between the supporting portion 312 and the cover plate 313, the driving member 33 is screwed on the cover plate 313, and the collet 32 is used for cooperating with the supporting portion 312 to clamp or release the workpiece.

In order to hold the workpiece in place, the present embodiment performs chamfering processing on the angle between the rotating portion 311 and the bearing portion 312, and provides a workpiece avoiding groove 315.

In order to improve the linearity of the sliding of the collet 32 and ensure the stability and accuracy of clamping, the collet 32 of this embodiment includes a T-shaped sliding slot adapted to the sliding portion 321 on the rotating portion 311, and the sliding portion 321 is slidably mounted in the T-shaped sliding slot.

The driving member 33 in this embodiment is preferably a screw, because the screw transmission has the advantages of simple structure, large transmission axial force, self-locking, high positioning accuracy, and the like.

Specifically, the screw includes a rod portion and a head portion disposed on the rod portion, a threaded through hole is disposed on the cover plate 313 at a position corresponding to the T-shaped sliding groove, and the rod portion of the screw is threaded into the threaded through hole.

The angle positioning structure in this embodiment includes an indexing hole 23 disposed on the adjusting base 2, a positioning hole 314 disposed on the rotating portion 311 of the clamping base 31, and a positioning member (not shown in the drawings) for penetrating into the indexing hole 23 and the positioning hole 314 to achieve the angle positioning between the clamping base 31 and the adjusting base 2.

Specifically, the adjusting seat 2 includes an adjusting portion 21 and a supporting portion 22 vertically disposed on the adjusting portion 21, a central shaft 24 is fixedly disposed on the supporting portion 22, and the rotating portion 311 of the clamping seat 31 is rotatably mounted on the central shaft 24; all the indexing holes 23 are distributed on a plurality of concentric adjusting seat circular arc lines, all the positioning holes 314 are distributed on a plurality of concentric clamping seat circular arc lines, and the adjusting seat circular arc lines and the clamping seat circular arc lines are coaxially arranged by taking the central shaft 24 as a central shaft.

Because the locating pin is convenient to insert and pull, the locating piece in the embodiment is preferably the locating pin, the locating pin is adopted, the clamping speed is greatly increased, and the working efficiency is improved.

The pose adjusting mechanism in the embodiment comprises a locking structure and a plurality of elastic adjusting structures arranged at intervals, all the elastic adjusting structures are matched with each other to adjust the levelness of the adjusting seat 2, and the locking structure is used for fixing the adjusting seat 2 with the levelness adjusted.

Wherein, the elastic adjustment structure includes retaining member 4 and elastic component, adjust and be provided with on the seat 2 with 4 clearance fit's of retaining member mounting hole, retaining member 4 passes mounting hole and elastic component and 1 threaded connection of base in proper order. The elastic piece is used for providing elastic supporting force for the adjusting seat 2, the locking piece 4 is used for providing pressing force for the adjusting seat 2, and the pose of the adjusting seat 2 is adjusted by adjusting the length of the locking piece 4 screwed into the base 1 under the action of the elastic supporting force of the elastic piece, so that the purpose of adjusting the levelness of the adjusting seat 2 is achieved.

In the embodiment, the locking member 4 is a bolt, and the elastic member is a spring 5 or an elastic washer 6, which is specifically selected according to actual requirements and is not limited in the embodiment.

The pose adjusting mechanism in the embodiment comprises three groups of elastic adjusting structures, wherein two groups of elastic adjusting structures are in a structural form that bolts are matched with springs 5, and one group of elastic adjusting structures are in a structural form that the bolts are matched with elastic washers 6; two sets of bolts are diagonal arrangement with spring 5 complex elasticity regulation structure, and the bolt sets up side by side with one of them a set of bolt and spring 5 complex elasticity regulation structure with the elasticity regulation structure of elastic washer 6 complex.

In this embodiment, the base 1 is provided with the ejected piece 11, the position of the adjusting seat 2 corresponding to the ejected piece 11 is provided with an accommodating groove 25 for accommodating the ejected piece 11, the locking structure includes a propping piece 7 in threaded connection with the groove wall of the accommodating groove 25, and the propping piece 7 is used for propping the ejected piece 11 tightly.

The puller 7 in the embodiment is a bolt; the ejected member 11 is in a block shape and is fixed on the adjusting portion 21 of the adjusting seat 2 by a bolt, and in practical applications, the ejected member 11 may also be integrally disposed with the adjusting seat 2, specifically selected according to practical requirements, which is not limited in this embodiment.

When in use, the base 1 of the clamping jig of the utility model is fixed on a processing table of processing equipment, and the levelness of the adjusting seat 2 is adjusted by screwing the locking piece 4 in each elastic adjusting structure; then, the workpiece to be processed is placed between the supporting part 312 of the clamping seat 31 and the clamping part 322 of the chuck 32, and the chuck 32 moves downwards by screwing the driving part 33, so that the chuck 32 is matched with the clamping seat 31 to clamp the workpiece; then the angle adjustment of the workpiece is realized by rotating the clamping seat 31, the clamping seat 31 which rotates by a good angle is positioned by an angle positioning structure so as to realize the angle positioning of the workpiece, and then the workpiece can be processed by processing equipment.

The utility model discloses centre gripping tool simple structure, convenient to use, one set of centre gripping tool just can satisfy the angular positioning requirement of different work pieces, for processing different work pieces provides facility, has reduced intensity of labour, invalid operating time and manufacturing cost, has improved work efficiency.

The present invention is not limited to the above specific embodiments, and those skilled in the art can make various changes without creative work from the above conception, and all the changes fall within the protection scope of the present invention.

Claims

1. The clamping fixture is characterized by comprising a base, an adjusting seat and a clamping device for clamping a workpiece,

the adjusting seat is arranged on the base through a pose adjusting mechanism, and the pose adjusting mechanism is used for adjusting the levelness of the adjusting seat;

the clamping device rotates and is arranged on the adjusting seat, a plurality of groups of angle positioning structures are arranged between the clamping device and the adjusting seat, and the angle positioning structures are used for positioning the rotating angle of the clamping device so as to realize the angle positioning of the workpiece.

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

3. The clamping fixture of claim 2, wherein the angular positioning structure comprises an indexing hole disposed on the adjusting seat, a positioning hole disposed on the clamping seat, 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 clamping seat and the adjusting seat.

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

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

6. The clamping jig of claim 5, wherein the clamping base comprises a base body and a cover plate, the base body comprises a rotating part and a bearing part protruding from one end of the rotating part, and the cover plate is detachably arranged at the other end of the rotating part; the chuck slides and sets up on the rotating part and be located the bearing portion with between the apron, driving piece threaded connection is in on the apron, the chuck be used for with the cooperation of bearing portion is in order to centre gripping or unclamp the work piece.

7. The clamping jig of claim 6, wherein a workpiece avoiding groove is formed at an included angle between the rotating part and the supporting part.

8. The clamping jig of claim 1, wherein the pose adjusting mechanism comprises a locking structure and a plurality of elastic adjusting structures arranged at intervals, all the elastic adjusting structures are mutually matched to adjust the levelness of the adjusting seat, and the locking structure is used for fixing the adjusting seat which is adjusted to the levelness.

9. The clamping jig of claim 8, wherein the elastic adjusting structure comprises a locking member and an elastic member, the adjusting seat is provided with an installation through hole in clearance fit with the locking member, and the locking member sequentially penetrates through the installation through hole and the elastic member to be in threaded connection with the base.

10. The clamping fixture of claim 8, wherein the base is provided with an ejected member, the adjusting seat is provided with a receiving groove for receiving the ejected member at a position corresponding to the ejected member, the locking structure comprises a tightening member screwed on a groove wall of the receiving groove, and the tightening member is used for tightening the ejected member.