CN219254829U

CN219254829U - Clamping jig

Info

Publication number: CN219254829U
Application number: CN202223120657.0U
Authority: CN
Inventors: 向海清; 王青荣
Original assignee: Chengdu Dingyi Precision Mold Co ltd
Current assignee: Chengdu Dingyi Precision Mold Co ltd
Priority date: 2022-11-23
Filing date: 2022-11-23
Publication date: 2023-06-27
Anticipated expiration: 2032-11-23

Abstract

The utility model discloses a clamping jig which comprises a bottom plate, wherein a clamping mechanism is arranged on the bottom plate, the clamping mechanism comprises a fixed block, a clamping block and a locking bolt, the fixed block is detachably arranged on the bottom plate, one end of the fixed block is provided with a sliding slope, the rear end of the clamping block is provided with a first inclined surface which is in sliding fit with the sliding slope, the sliding slope is provided with a clamping head, the first inclined surface is provided with a clamping groove which is in sliding fit with the clamping head, the sliding direction of the clamping groove is parallel to the sliding slope, the clamping head is provided with a vertical bolt hole, the locking bolt is in threaded fit with the bolt hole, and the upper end of the locking bolt is provided with a pressure head which is used for abutting against the upper surface of the clamping block; the clamping mechanism of this scheme relies on mechanical structure to realize the clamping of machined part completely, and its stability, reliability are strong, and have good auto-lock performance, and clamping mechanism simple structure simultaneously, small, position control is convenient to the clamping is fixed the machined part of different shapes or different sizes.

Description

Clamping jig

Technical Field

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

Background

In the machining process of a workpiece, the workpiece needs to be clamped so as to be convenient for subsequent machining, in order to ensure the stability of the workpiece, a common clamp is used for clamping and fixing one workpiece correspondingly, and the conventional clamp is used for fixing the common structure and the position, so that the position of the clamp cannot be adjusted according to the shape and the size of the workpiece; meanwhile, the existing clamp generally clamps the workpiece in a driving mode of an air cylinder or a hydraulic cylinder, so that the clamp is complex in structure, complex in operation and large in occupied space, interference blocking is easily caused on a machining area of the workpiece by the clamp, and clamping of special-shaped workpieces and workpieces with different sizes is difficult to achieve.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model provides a clamping jig, which solves the problems of complex structure, large space occupation and difficult position adjustment of the existing jig.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a clamping jig, it includes the bottom plate, install fixture on the bottom plate, fixture includes the fixed block, grip block and locking bolt, fixed block detachable installs on the bottom plate, the one end of fixed block is provided with the slip domatic, the rear end of grip block is provided with the first inclined plane of laminating with the slip domatic slip, set up the dop on the slip domatic, be provided with the draw-in groove with the chuck slip block on the first inclined plane, the slip direction and the slip domatic parallel of draw-in groove, be provided with vertical bolt hole on the dop, locking bolt and bolt hole screw-thread fit, locking bolt's upper end is provided with the pressure head that is used for the butt grip block upper surface.

The beneficial effects of adopting above-mentioned technical scheme are: according to the scheme, when the clamping device is used, a plurality of clamping mechanisms matched with the shape and the size of a workpiece can be installed on a bottom plate according to the shape and the size of the workpiece, the workpiece is located between the clamping blocks of the clamping mechanisms, the front ends of the clamping blocks are propped against the side face of the workpiece, the clamping blocks are extruded by a pressing head to slide downwards along a sliding slope through rotating a locking bolt, the clamping blocks have horizontal displacement components when sliding, the front ends of the clamping blocks gradually prop against the side face of the workpiece, and finally the clamping of the workpiece is fixed under the combined action of the clamping blocks, wherein the clamping mechanism completely depends on a mechanical structure to realize the clamping of the workpiece, the clamping device is high in stability and reliability and has good self-locking performance, and meanwhile the clamping mechanism is simple in structure, small in size and convenient to clamp and fix workpieces of different shapes or different sizes and avoid machining areas of the workpiece.

Further, the front end of the clamping block is provided with the second inclined surface, and the included angle between the second inclined surface and the bottom surface of the clamping block is an obtuse angle, so that the front end of the clamping block can be abutted against the edge of a workpiece, the workpiece can be tightly pressed on the bottom plate by the second inclined surface, and the workpiece is tightly attached to the bottom plate, so that stable clamping of the workpiece is facilitated.

Further, the second inclined surface is provided with a flexible pad, so that the clamping block is in flexible contact with the workpiece through the flexible pad, and damage to the workpiece caused by hard contact is avoided; the outer surface of the flexible pad is a serrated surface.

Further, the fixed block is fixedly connected with the bottom plate through a positioning bolt, a plurality of positioning bolt holes are formed in the bottom plate, the fixed block is provided with an avoidance through hole, and the positioning bolt penetrates through the avoidance through hole to be in threaded fit with the positioning bolt holes; the fixing block is convenient to assemble and disassemble, and the clamping mechanism is convenient to adjust.

Further, the plurality of positioning bolt holes are uniformly distributed on the bottom plate in an array mode, so that the freedom degree of position adjustment of the clamping mechanism on the bottom plate is high, and batch workpieces with different sizes can be clamped and fixed conveniently.

Further, the avoidance through holes are strip-shaped through holes, and the strip-shaped through holes can realize further adjustment of the positions of the fixing blocks.

Further, the cross sections of the clamping head and the clamping groove are T-shaped.

Drawings

Fig. 1 is a schematic structural diagram of the clamping fixture according to the scheme.

Fig. 2 is a schematic structural view of the fixing block.

Fig. 3 is a schematic structural view of the clamping block.

The clamping device comprises a base plate 1, a bottom plate 2, a fixed block 3, a clamping block 4, a locking bolt 5, a sliding slope surface 6, a first inclined surface 7, a clamping head 8, a clamping groove 9, bolt holes 10, a pressing head 11, a second inclined surface 12, a flexible pad 13, a positioning bolt 14, positioning bolt holes 15, avoiding through holes 16 and a machined piece.

Detailed Description

The following description of the embodiments of the present utility model is provided to facilitate understanding of the present utility model by those skilled in the art, but it should be understood that the present utility model is not limited to the scope of the embodiments, and all the utility models which make use of the inventive concept are protected by the spirit and scope of the present utility model as defined and defined in the appended claims to those skilled in the art.

As shown in fig. 1 to 3, the clamping jig of this scheme includes bottom plate 1, installs fixture on the bottom plate 1, and fixture includes fixed block 2, grip block 3 and locking bolt 4, and fixed block 2 passes through positioning bolt 13 and bottom plate 1 fixed connection, is provided with a plurality of locating bolt holes 14 on the bottom plate 1, is provided with on the fixed block 2 and dodges through-hole 15, and positioning bolt 13 passes and dodges through-hole 15 and locating bolt hole 14 screw-thread fit.

One end of fixed block 2 is provided with the slip domatic 5, the rear end of grip block 3 is provided with the first inclined plane 6 of laminating with the slip domatic 5 slip, set up draw-in gear 7 on the slip domatic 5, be provided with on the first inclined plane 6 with draw-in gear 7 slip block's draw-in groove 8, draw-in gear 7 and draw-in groove 8's cross-section all is T shape, draw-in gear 8's slip direction is parallel with the slip domatic 5, be provided with vertical bolt hole 9 on the draw-in gear 7, locking bolt 4 and bolt hole 9 screw-thread fit, locking bolt 4's upper end is provided with the pressure head 10 that is used for the butt grip block 3 upper surface.

In specific implementation, the scheme can be used for installing a plurality of clamping mechanisms matched with the shape and the size of the workpiece 16 on the bottom plate 1 according to the shape and the size of the workpiece 16, the workpiece 16 is positioned between the clamping blocks 3 of the clamping mechanisms, the front ends of the clamping blocks 3 are propped against the side surfaces of the workpiece 16, the clamping head 10 is used for extruding the clamping blocks 3 to slide downwards along the sliding slope 5 through rotating the locking bolt 4, the clamping blocks 3 have horizontal displacement components while sliding, the front ends of the clamping blocks 3 gradually prop against the side surfaces of the workpiece 16, and finally the clamping and fixing of the workpiece 16 are realized under the combined action of the clamping blocks 3, wherein the clamping mechanism completely depends on a mechanical structure to realize the clamping of the workpiece 16, the clamping mechanism is high in stability and reliability and has good self-locking performance, and meanwhile, the clamping mechanism is simple in structure, small in size and convenient to adjust the position so as to clamp and fix the workpieces 16 with different shapes or different sizes and avoid the processing areas of the workpiece 16.

Preferably, the front end of the clamping block 3 is provided with a second inclined surface 11, and the included angle between the second inclined surface 11 and the bottom surface of the clamping block 3 is an obtuse angle, so that the front end of the clamping block 3 can be abutted against the edge of the workpiece 16, and the workpiece 16 can be pressed on the bottom plate 1 by the second inclined surface 11, so that the workpiece 16 is tightly attached to the bottom plate 1, and the stable clamping of the workpiece 16 is facilitated; the second inclined surface 11 is provided with the flexible pad 12, so that the clamping block 3 is flexibly contacted with the workpiece 16 through the flexible pad 12, and the workpiece 16 is prevented from being damaged by hard contact; the outer surface of the flexible pad 12 is serrated to facilitate friction enhancement.

Preferably, a plurality of positioning bolt holes 14 are evenly arranged in an array mode on the bottom plate 1, the avoidance through holes 15 are strip-shaped through holes, when the clamping fixture is used, the positioning bolt holes 14 are used for positioning the fixed block 2, and the strip-shaped through holes on the fixed block 2 are used for fine adjustment of the position of the fixed block 2, so that the degree of freedom of position adjustment of the clamping mechanism on the bottom plate 1 is improved, and batch workpieces 16 with different sizes are clamped and fixed conveniently.

Claims

1. Clamping tool, a serial communication port, including bottom plate (1), install fixture on bottom plate (1), fixture includes fixed block (2), grip block (3) and locking bolt (4), fixed block (2) detachable installs on bottom plate (1), the one end of fixed block (2) is provided with slip domatic (5), the rear end of grip block (3) is provided with first inclined plane (6) of laminating with slip domatic (5) slip, set up draw-in gear (7) on slip domatic (5), be provided with draw-in groove (8) with draw-in gear (7) slip block on first inclined plane (6), the slip direction of draw-in gear (8) is parallel with slip domatic (5), be provided with vertical bolt hole (9) on draw-in gear (7), locking bolt (4) and bolt hole (9) screw-thread fit, the upper end of locking bolt (4) is provided with pressure head (10) that are used for butt grip block (3) upper surface.

2. Clamping jig according to claim 1, characterized in that the front end of the clamping block (3) is provided with a second inclined surface (11), and the angle between the second inclined surface (11) and the bottom surface of the clamping block (3) is an obtuse angle.

3. Clamping jig according to claim 2, characterized in that the second inclined surface (11) is provided with a flexible pad (12), the outer surface of the flexible pad (12) being a serrated surface.

4. The clamping jig according to claim 1, wherein the fixed block (2) is fixedly connected with the bottom plate (1) through a positioning bolt (13), a plurality of positioning bolt holes (14) are formed in the bottom plate (1), an avoidance through hole (15) is formed in the fixed block (2), and the positioning bolt (13) penetrates through the avoidance through hole (15) to be in threaded fit with the positioning bolt holes (14).

5. The clamping jig according to claim 4, wherein a plurality of the positioning bolt holes (14) are uniformly arranged in an array on the bottom plate (1).

6. Clamping jig according to claim 4, characterized in that the relief through hole (15) is a bar-shaped through hole.

7. Clamping jig according to claim 1, characterized in that the cross sections of the clamping head (7) and the clamping groove (8) are in a T shape.