CN214922594U

CN214922594U - Workpiece clamping fixture

Info

Publication number: CN214922594U
Application number: CN202120285471.7U
Authority: CN
Inventors: 张继红; 王胜; 雷国斌; 张瑞
Original assignee: Guangzhou Yiqiang Electrical Appliance Co ltd
Current assignee: Guangzhou Yiqiang Electrical Appliance Co ltd
Priority date: 2021-02-01
Filing date: 2021-02-01
Publication date: 2021-11-30
Anticipated expiration: 2031-02-01

Abstract

The utility model provides a work piece clamping anchor clamps. The workpiece comprises a workpiece positioning surface positioned on the outer side surface of the end part of the workpiece; the work piece clamping anchor clamps include: a clamp body base; the pressing block is detachably arranged on the clamp body base, and a workpiece is movably clamped between the pressing block and the clamp body base; the positioning component comprises a guide post and a magnet, the middle part of the guide post is abutted against the end part of the workpiece, one end of the guide post is fixedly connected with the magnet, and the other end of the guide post is movably arranged on the base of the fixture body; the magnet comprises a magnet positioning surface, and the magnet positioning surface is matched with the workpiece positioning surface in shape and faces the workpiece. The utility model discloses a work piece clamping anchor clamps utilize the appeal that magnet produced, when magnet is close the work piece, has realized that magnet locating surface and work piece locating surface carry out quick location, has avoided the more table process in the position that the work piece is complicated.

Description

Workpiece clamping fixture

Technical Field

The utility model relates to a clamping anchor clamps, the work piece of this anchor clamps centre gripping especially relates to circular mold insert or thimble.

Background

In the prior art, workpieces are usually fixed by clamping in a chuck or a vice. In the actual processing process, workers often need to calibrate the table of the clamped workpiece. Due to the limitation of the structures of the two traditional clamps, the position calibration process of the workpiece is very complicated due to poor functions of the clamps.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art and provide a workpiece clamping fixture, wherein the workpiece comprises a workpiece positioning surface positioned on the outer surface of the end part of the workpiece; the work piece clamping anchor clamps include: a clamp body base; the pressing block is detachably arranged on the clamp body base, and a workpiece is movably clamped between the pressing block and the clamp body base; the positioning component comprises a guide post and a magnet, the middle part of the guide post is abutted against the end part of the workpiece, one end of the guide post is fixedly connected with the magnet, and the other end of the guide post is movably arranged on the base of the fixture body; the magnet comprises a magnet positioning surface, and the magnet positioning surface is matched with the workpiece positioning surface in shape and faces the workpiece.

When the workpiece clamping fixture provided by the embodiment is applied, a workpiece is placed on the fixture body base, the magnet positioning surface is close to the workpiece positioning surface through the movement of the guide column, the attraction force generated by the magnet is utilized, when the magnet is close to the workpiece, the magnet positioning surface and the workpiece positioning surface are quickly positioned, the workpiece can be repeatedly positioned when the same batch of workpieces are processed, the complex position comparison process of the workpiece is avoided, and the production efficiency is improved.

In a preferable or optional embodiment, the left side and the right side of the clamp body base are provided with a V-shaped groove with an opening in the vertical direction, the pressing block is arranged at a position corresponding to the opening direction of the V-shaped groove, the V-shaped groove is matched with the pressing block to clamp and fix the workpiece, and the fixing stability is good.

In a preferred or optional embodiment, the pressing block comprises a first arc-shaped surface, and the workpiece is movably clamped between the first arc-shaped surface and the V-shaped groove. Utilize the cooperation of first arcwall face and V type groove, be convenient for carry out the clamping to the work piece that the cross-section is circular shape, and improve the stability of clamping.

In a preferred or optional embodiment, the compact further comprises a second arcuate surface, and the first arcuate surface has a diameter greater than the second arcuate surface. Through the setting of first arc profile and second arc profile diameter variation in size, can realize pressing from both sides tightly the work piece of different diameters through selecting it. The first arc-shaped surface is selected, so that a workpiece with a larger diameter, such as a circular insert, can be clamped; the second arc-shaped surface is selected, so that a workpiece with a smaller diameter, such as a thimble, can be clamped.

In a preferred or optional embodiment, the first arc-shaped surface is formed by inwards recessing one side surface of the pressing block.

In a preferred or optional embodiment, the pressing block further comprises a protrusion part which is fixed on one side surface of the pressing block in a protruding way; the second arc-shaped surface is formed by inwards sinking the surface of the protruding part.

In a preferred or optional embodiment, the pressing block is detachably fixed on the clamp body base through a fixing screw; the pressing block is provided with a screw hole in a penetrating mode, the surface of the clamp body base is provided with the screw hole, and the fixing screw penetrates through the clamp body base and the pressing block. When the workpiece is clamped, the workpiece is placed on the V-shaped groove, the position of the workpiece is determined, the screw can be locked, and quick clamping is realized.

In a preferred or optional embodiment, the device further comprises a positioning pin; the pressing block is provided with a pin hole in a penetrating mode, the pin hole is formed in the surface of the clamp body base, and the positioning pin penetrates through the clamp body base and the pressing block. In the process of adjusting the position of the workpiece, the positioning pin plays a role in auxiliary positioning.

In a preferred or optional embodiment, the surface of the clamp body base is provided with a plurality of positioning holes, the extending direction of the positioning holes is perpendicular to the length extending direction of the workpiece, and the positioning holes are arranged at intervals along the length extending direction of the workpiece; the end part of the guide post movably penetrates through the positioning hole. Through selecting different hole sites, the clamping position of the workpiece is adjusted, the clamping position of the workpiece is prevented from being too high, and the workpiece is prevented from vibrating in the machining process to influence the machining effect of the workpiece.

The technical scheme of the utility model place the work piece on the V type groove on the anchor clamps body base, through the removal of guide post and then make the magnet locating surface be close to the work piece locating surface utilizes the appeal that magnet produced, when magnet is close the work piece, has realized that the magnet locating surface carries out quick location with the work piece locating surface, can repeat the location when processing same batch work piece, has avoided the complicated position of work piece to show the process, has improved production efficiency.

In order that the invention may be more clearly understood, particular embodiments of the invention will now be described with reference to the accompanying drawings.

Drawings

Fig. 1 is a schematic structural view of a workpiece clamping fixture according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a base of the clamp body according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a workpiece pressing block according to an embodiment of the present invention;

fig. 4 is a schematic structural view of a first arc-shaped surface for a workpiece clamping fixture according to an embodiment of the present invention;

fig. 5 is a schematic structural view of a second arc-shaped surface for a workpiece clamping fixture according to an embodiment of the present invention;

fig. 6 is a schematic structural view of the workpiece clamping fixture according to an embodiment of the present invention in a machining state;

description of reference numerals:

10. a clamp body base; 20. a positioning member; 21. a magnet; 211. a magnet positioning surface; 22. a guide post; 30. briquetting; 31. a first arcuate surface; 32. a second arcuate surface; 321. a protrusion portion; 40. positioning a pin; 41. a pin hole; 50. fixing screws; 51. a screw hole; 60. a workpiece; 61. a workpiece positioning surface; 70. a V-shaped groove; 80. and (7) positioning the holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, which is a schematic structural view of a workpiece clamping fixture according to an embodiment of the present invention, the workpiece 60 includes a workpiece positioning surface 61 located on an outer side surface of an end portion thereof; this work piece clamping anchor clamps includes: a clamp body base 10; the pressing block 31 is detachably arranged on the clamp body base 10, and the workpiece 60 is movably clamped between the pressing block 31 and the clamp body base 10; the positioning component 20 comprises a guide post 22 and a magnet 21, the middle part of the guide post 22 is abutted against the end part of the workpiece 60, one end of the guide post is fixedly connected with the magnet 21, and the other end of the guide post is movably arranged on the clamp body base 10; the magnet comprises a magnet positioning surface 211, and the magnet positioning surface 211 is matched with the workpiece positioning surface 61 in shape and faces the direction of the workpiece 60.

When the workpiece clamping fixture provided by the embodiment is applied, a workpiece is placed on the fixture body base 10, the magnet positioning surface 211 is close to the workpiece positioning surface 61 through the movement of the guide column 22, the attraction force generated by the magnet 21 is utilized, when the magnet 21 is close to the workpiece 60, the magnet positioning surface 211 and the workpiece positioning surface 61 are quickly positioned, the positioning can be repeated when the workpieces in the same batch are processed, the complex position comparison process of the workpieces is avoided, and the production efficiency is improved.

Please refer to fig. 2 and fig. 3, which are a schematic structural diagram of a holder base according to an embodiment of the present invention and a schematic structural diagram of a workpiece pressing block according to an embodiment of the present invention, wherein V-shaped grooves 70 with openings in the vertical direction are disposed on the left and right sides of the holder base, and the pressing block 30 is disposed at a position corresponding to the opening direction of the V-shaped grooves 70. The V-shaped groove 70 is matched with the pressing block 30 to clamp and fix the workpiece 60, and the fixing stability is good.

The pressing block 30 comprises a first arc-shaped surface 31, and the workpiece 60 is movably clamped between the first arc-shaped surface 31 and the V-shaped groove 70. By means of the matching of the first arc-shaped surface 31 and the V-shaped groove 70, the workpiece 60 with a circular cross section can be clamped conveniently, and the clamping stability is improved.

The pressing block 30 further comprises a second arc-shaped surface 32, and the diameter of the first arc-shaped surface 31 is larger than that of the second arc-shaped surface 32. Through the arrangement of the first arc-shaped surface 31 and the second arc-shaped surface 32 with different diameters, workpieces 60 with different diameters can be clamped through selection of the first arc-shaped surface 31, and if the first arc-shaped surface 31 is selected, workpieces 60 with larger diameters, such as circular inserts, can be clamped; if the second arcuate surface 32 is selected, a smaller diameter workpiece 60, such as a thimble, may be clamped.

Please refer to fig. 4 and fig. 5, which are schematic structural diagrams of a first arc-shaped surface for a workpiece clamping fixture according to an embodiment of the present invention, in some optional embodiments, the first arc-shaped surface 31 is formed by an inward recess on a side surface of the pressing block 31, the pressing block 31 further includes a protrusion 321, and the protrusion 321 is fixed on a side surface of the pressing block 31; the second arc-shaped face 32 is formed by inwardly recessing the surface of the protrusion 321. It should be noted that the arc-shaped surface of the pressing block 31 may have a suitable diameter according to actual needs, and may be suitable for clamping circular inserts with various diameters, as long as it is ensured that the pressing block 31 and the V-shaped groove 70 cooperate to press the circular inserts, which is not described herein again.

The pressing block 31 is detachably fixed on the fixture body base 10 through a fixing screw 50; the pressing block 31 is provided with a screw hole 51 in a penetrating manner, the surface of the clamp body base 10 is provided with a screw hole 51, and the fixing screw 50 penetrates through the clamp body base 10 and the pressing block 31. When the workpiece 60 is clamped, the workpiece is placed on the V-shaped groove 70, the position of the workpiece 60 is determined, and the fixing screw 50 can be locked, so that rapid clamping is realized.

The workpiece clamping fixture further comprises a positioning pin 40; the pressing block 31 is provided with a pin hole 41 in a penetrating manner, the pin hole 41 is provided on the surface of the clamp body base 10, and the positioning pin 40 penetrates through the clamp body base 10 and the pressing block 31. The locating pin 40 serves as an auxiliary locating feature during adjustment of the position of the workpiece.

Referring to fig. 6, which is a schematic structural view of a workpiece clamping fixture according to an embodiment of the present invention in a machining state, in some optional embodiments, a plurality of positioning holes 80 are formed on a surface of a fixture body base 10, an extending direction of the positioning holes 80 is perpendicular to a length extending direction of the workpiece 60, and the positioning holes 80 are arranged at intervals along the length extending direction of the workpiece 60; the end of the guide post 22 is movably inserted into the positioning hole 80. Through selecting different hole sites, the clamping position of the workpiece 60 is adjusted, and the phenomenon that the clamping position of the workpiece 60 is too high and the workpiece 60 vibrates in the machining process to influence the machining effect of the workpiece 60 is prevented.

When the clamping position of the workpiece 60 needs to be adjusted by a worker, the guide post 22 is inserted by selecting a proper positioning hole 80, and if the distances between the arrangement of all the positioning holes 80 on the surface of the clamp body base 10 are the same, the adjustability of the clamping position of the workpiece 60 is poor, and the proper clamping position is difficult to adjust. Therefore, the spaces between the positioning holes 80 can be in different sizes, so that the adjustability of the workpiece clamping position can be improved on the whole.

The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. The workpiece clamping fixture is characterized in that the workpiece comprises a workpiece positioning surface positioned on the outer side surface of the end part of the workpiece;

the work piece clamping anchor clamps include:

a clamp body base;

the pressing block is detachably arranged on the clamp body base, and a workpiece is movably clamped between the pressing block and the clamp body base;

the positioning component comprises a guide post and a magnet, the middle part of the guide post is abutted against the end part of the workpiece, one end of the guide post is fixedly connected with the magnet, and the other end of the guide post is movably arranged on the base of the fixture body; the magnet comprises a magnet positioning surface, and the magnet positioning surface is matched with the workpiece positioning surface in shape and faces the workpiece.

2. The workpiece clamping jig of claim 1, wherein:

the left side and the right side of the clamp body base are provided with V-shaped grooves with openings in the vertical direction, and the pressing blocks are arranged on the positions corresponding to the opening directions of the V-shaped grooves.

3. The workpiece clamping jig of claim 2, wherein: the pressing block comprises a first arc-shaped surface, and the workpiece is movably clamped between the first arc-shaped surface and the V-shaped groove.

4. A workpiece clamping jig as claimed in claim 3 wherein: the briquetting still includes the second arcwall face, first arcwall face diameter is greater than second arcwall face.

5. A workpiece clamping jig as claimed in claim 3 or 4, characterised in that:

the first arc-shaped surface is formed by inwards recessing the surface of one side of the pressing block.

6. The workpiece clamping jig of claim 4, wherein:

the pressing block further comprises a protrusion part which is fixed on one side surface of the pressing block in a protruding mode; the second arc-shaped surface is formed by inwards sinking the surface of the protruding part.

7. The workpiece clamping jig of claim 1, wherein:

the pressing block is detachably fixed on the clamp body base through a fixing screw; the pressing block is provided with a screw hole in a penetrating mode, the surface of the clamp body base is provided with the screw hole, and the fixing screw penetrates through the clamp body base and the pressing block.

8. The workpiece clamping jig of claim 7, wherein: the device also comprises a positioning pin; the pressing block is provided with a pin hole in a penetrating mode, the pin hole is formed in the surface of the clamp body base, and the positioning pin penetrates through the clamp body base and the pressing block.

9. The workpiece clamping jig of claim 8, wherein:

the surface of the clamp body base is provided with a plurality of positioning holes, the extending direction of the positioning holes is perpendicular to the length extending direction of the workpiece, and the positioning holes are arranged at intervals along the length extending direction of the workpiece; the end part of the guide post movably penetrates through the positioning hole.