CN215470686U

CN215470686U - Insert pin positioning fixture

Info

Publication number: CN215470686U
Application number: CN202121689903.7U
Authority: CN
Inventors: 廖备铨
Original assignee: Xiamen Zhong Han Precision Industrial Co ltd
Current assignee: Xiamen Zhong Han Precision Industrial Co ltd
Priority date: 2021-07-23
Filing date: 2021-07-23
Publication date: 2022-01-11
Anticipated expiration: 2031-07-23

Abstract

The utility model provides an insert pin positioning fixture, which is used for fixedly arranging a plurality of insert pins on a machine tool workbench and comprises a fixed plate arranged on the machine tool workbench and a positioning assembly arranged on the fixed plate; the positioning assembly comprises a bottom plate and a limiting plate which are matched with each other and used for fixing the insert pins, and the bottom plate and the limiting plate are positioned with the fixing plate through two bolts; the bolt comprises a positioning column and a limiting step arranged on the positioning column, the end faces, far away from each other, of the bottom plate and the limiting plate are respectively provided with a first groove, and the side wall of the bottom of each first groove is provided with a limiting groove matched with the limiting step; according to the utility model, the two end faces of the insert pins can be sequentially machined by using only one set of positioning assembly, the machining efficiency of the insert pins can be greatly improved, and the production cost of the positioning clamp is reduced.

Description

Insert pin positioning fixture

Technical Field

The utility model relates to the technical field of production of die accessories, in particular to an insert pin positioning clamp.

Background

The insert pin is mainly applied to a die, is an important structure of the die, can play a role in stabilization, is mainly embedded into a die core, plays a role in better processing the die core by the exhaust piston, and can be divided into a flat insert pin, a straight insert pin, a stepped insert pin and the like according to different shapes.

The existing insert pins need to process the end surfaces of the insert pins, such as hole turning, character carving and the like, however, at present, the insert pins can only be processed singly, and a positioning clamp for processing the two end surfaces of a plurality of insert pins sequentially does not exist.

In view of the above, the present inventors have devised a pin positioning jig, and have developed this.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the technical scheme of the utility model is as follows:

a pin inserting positioning fixture is used for fixedly arranging a plurality of inserting pins on a machine tool workbench and comprises a fixing plate arranged on the machine tool workbench and a positioning assembly arranged on the fixing plate, wherein the positioning assembly is used for positioning the inserting pins simultaneously and then processing the upper end surface and the lower end surface of the inserting pins by using a machine tool;

the positioning assembly comprises a bottom plate and a limiting plate which are matched with each other and fix a plurality of insert pins, and the bottom plate and the limiting plate are positioned with the fixing plate through two bolts.

Further, the bolt includes the reference column, sets up the spacing step on the reference column, the terminal surface that bottom plate and limiting plate kept away from each other all sets up first recess, first recess bottom lateral wall set up with spacing step complex spacing recess.

Further, inlay the needle and be the echelonment, it includes first step portion, the second step portion that the external diameter is less than first step portion, the one end that second step portion was kept away from to first step portion sets up the screw hole, the one end setting that first step portion was kept away from to second step portion has the shape second recess.

Furthermore, a limiting surface is arranged on the outer circumferential surface of the first step portion.

Furthermore, the bottom plate is arranged in a stepped hole which is matched with the insert pin and used for processing the second groove, and the stepped hole is provided with a limiting part matched with the limiting surface.

Furthermore, a through hole for processing a threaded hole is formed in the limiting plate.

Furthermore, the limiting plate is locked on the bottom plate through a plurality of screws.

Furthermore, the positioning assembly is locked on the fixing plate through a plurality of bolts.

Further, the bolt sequentially penetrates through the limiting plate and the bottom plate and then is in threaded connection with the fixing plate, or sequentially penetrates through the bottom plate and the limiting plate and then is in threaded connection with the fixing plate;

the bolt penetrates through the limiting plate and the bottom plate in sequence and then is connected with the fixing plate in a matched mode or penetrates through the bottom plate and the limiting plate in sequence and then is connected with the fixing plate in a matched mode.

Furthermore, the reference column upper end sets up the rotating part that is used for rotatory and plug.

Furthermore, a spring used for bouncing the positioning column is arranged at the bottom of the positioning column.

According to the positioning fixture, the positioning assemblies for fixing the insert pins are arranged, the insert pins can be positioned at the same time, after the positioning assemblies position and fix the insert pins, a machine tool is used for machining any one of the upper end surface and the lower end surface of the insert pins, after machining is finished, the positioning assemblies are turned and fixed, the other end surface of the insert pins is machined, and positioning of the positioning assemblies can be realized by matching with bolts.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and not to limit the utility model.

Wherein:

FIG. 1 is a schematic view of the upper and lower end faces of the insert of the present invention;

FIG. 2 is a schematic view of the positioning fixture of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2 of the present invention;

fig. 4 is a schematic structural view of the base plate of the present invention.

Description of reference numerals:

10. inserting a needle; 11. a first step portion; 111. a threaded hole; 112. a limiting surface; 12. a second step section; 121. a second groove; 20. a fixing plate; 30. a positioning assembly; 31. a base plate; 311. a stepped hole; 32. a limiting plate; 321. a through hole; 322. a first groove; 323. a limiting groove; 33. a screw; 40. a bolt; 41. a positioning column; 42. a limiting step; 43. a rotating part; 44. A spring; 50. and (4) bolts.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention clearer and clearer, 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 merely illustrative of the utility model and are not intended to limit the utility model.

Referring to fig. 1 to 4, a pin positioning jig according to a preferred embodiment of the present invention is used for fixing a plurality of pins 10 on a machine tool table, and includes a fixing plate 20 disposed on the machine tool table and a positioning assembly 30 disposed on the fixing plate 20, wherein the positioning assembly 30 positions the plurality of pins 10 at the same time and then processes the upper and lower end surfaces of the pins 10 by using the machine tool, specifically, after the positioning assembly 30 positions and fixes the plurality of pins 10, the machine tool processes any one of the upper and lower end surfaces of the pins 10, and after the processing is completed, the positioning assembly 30 is turned over and fixed, and processes the other end surface.

The positioning assembly 30 includes a bottom plate 31 and a position-limiting plate 32, which are engaged with each other and fix the plurality of insert pins 10, wherein the bottom plate 31 and the position-limiting plate 32 are positioned with the fixing plate 20 by two pins 40.

The bolt 40 comprises a positioning column 41 and a limiting step 42 arranged on the positioning column 41, the end surfaces of the bottom plate 31 and the limiting plate 32 which are far away from each other are provided with first grooves 322, and the side wall of the bottom of each first groove 322 is provided with a position groove 323 matched with the limiting step 42; when the bolt 40 is installed, the bolt 40 firstly passes through the positioning assembly 30 to be matched with the fixing plate 20, at this time, the limiting step 42 sinks into the first groove 322, and the positioning column 41 is rotated to enable the limiting step 42 to be inserted into the positioning groove 323, so that the quick-dismantling pin is prevented from popping out or falling off.

The insert pin 10 is in a step shape and comprises a first step part 11 and a second step part 12 with the outer diameter smaller than that of the first step part 11, a threaded hole 111 is formed in one end, far away from the second step part 12, of the first step part 11, and a second groove 121 with a shape is formed in one end, far away from the first step part 11, of the second step part 12; the first step portion 11 is further provided with a limiting surface 112 on the outer circumference, wherein the second groove 121 may be carved in the shape of letter or number.

The bottom plate 31 is arranged on a stepped hole 311 which is matched with the insert pin 10 and used for processing the second groove 121, and the stepped hole 311 is provided with a limiting part matched with the limiting surface 112; the stopper plate 32 is provided with a through hole 321 for machining the screw hole 111.

The limiting plate 32 is locked on the bottom plate 31 through a plurality of screws 33; the positioning assembly 30 is locked to the fixing plate 20 by a plurality of bolts 50. Specifically, the bolt 50 sequentially penetrates through the limiting plate 32 and the bottom plate 31 and then is in threaded connection with the fixing plate 20, or sequentially penetrates through the bottom plate 31 and the limiting plate 32 and then is in threaded connection with the fixing plate 20;

the bolt 40 passes through the limiting plate 32 and the bottom plate 31 in sequence and then is connected with the fixing plate 20 in a matching way, or passes through the bottom plate 31 and the limiting plate 32 in sequence and then is connected with the fixing plate 20 in a matching way.

A rotating part 43 for rotating and plugging is arranged at the upper end of the positioning column 41; the bottom of the positioning column 41 is provided with a spring 44 for the positioning column 41 to bounce, the fixing plate 20 is provided with a groove for matching with the positioning column 41, one end of the spring 44 is fixed on the positioning column 41, the other end of the spring 44 abuts against the bottom of the groove, the rotating part 43 rotates to enable the limiting step 42 to enter the groove 323, the spring 44 can automatically bounce, and the bolt 40 can be rapidly detached.

In summary, the positioning fixture of the present invention can simultaneously position a plurality of insert pins by providing the positioning assembly for fixing the insert pins, and after the positioning assembly positions and fixes the insert pins, a machine tool is used to process any one of the upper and lower end surfaces of the insert pins, after the processing is completed, the positioning assembly is turned over and fixed, and the other end surface is processed, and the positioning assembly is positioned in cooperation with the plug pin.

The utility model has been described above with reference to the accompanying drawings, it is obvious that the utility model is not limited to the specific implementation in the above-described manner, and it is within the scope of the utility model to apply the inventive concept and solution to other applications without substantial modification.

Claims

1. A pin inserting positioning fixture is used for fixedly arranging a plurality of inserting pins (10) on a machine tool workbench and is characterized by comprising a fixing plate (20) arranged on the machine tool workbench and a positioning assembly (30) arranged on the fixing plate (20);

locating component (30) including mutually supporting and with bottom plate (31) and limiting plate (32) that a plurality of inlay needle (10) are fixed, bottom plate (31), limiting plate (32) are fixed a position through two bolt (40) and fixed plate (20).

2. The insert pin positioning fixture according to claim 1, wherein the plug pin (40) comprises a positioning column (41) and a limiting step (42) arranged on the positioning column (41), the end surfaces of the bottom plate (31) and the limiting plate (32) away from each other are provided with first grooves (322), and the side walls of the bottom of the first grooves (322) are provided with limiting grooves (323) matched with the limiting step (42).

3. The insert pin positioning jig according to claim 2, wherein the insert pin (10) is stepped and comprises a first step part (11) and a second step part (12) with an outer diameter smaller than that of the first step part (11), a threaded hole (111) is formed in one end of the first step part (11) far away from the second step part (12), and a second groove (121) with a shape is formed in one end of the second step part (12) far away from the first step part (11); the outer circumferential surface of the first step part (11) is provided with a limiting surface (112).

4. A pin positioning jig according to claim 3, wherein the bottom plate (31) is provided in a stepped hole (311) which the pin (10) is fitted into and used for machining the second groove (121), and the stepped hole (311) is provided with a stopper portion which is fitted into the stopper surface (112).

5. The insert pin positioning jig according to claim 1, wherein the stopper plate (32) is provided with a through hole (321) for machining the threaded hole (111).

6. A pin positioning jig according to claim 1, wherein the retainer plate (32) is locked to the base plate (31) by a plurality of screws (33).

7. A pin positioning jig according to claim 1, wherein the positioning block (30) is locked to the fixing plate (20) by a plurality of bolts (50).

8. The insert pin positioning fixture according to claim 7, wherein the bolt (50) sequentially penetrates through the limiting plate (32) and the bottom plate (31) and then is in threaded connection with the fixing plate (20), or sequentially penetrates through the bottom plate (31) and the limiting plate (32) and then is in threaded connection with the fixing plate (20);

the bolt (40) penetrates through the limiting plate (32) and the bottom plate (31) in sequence and then is connected with the fixing plate (20) in a matched mode, or penetrates through the bottom plate (31) and the limiting plate (32) in sequence and then is connected with the fixing plate (20) in a matched mode.

9. The insert pin positioning jig according to claim 2, wherein a rotating portion (43) for rotating and inserting is provided at an upper end of the positioning column (41).

10. The insert pin positioning fixture according to claim 2, wherein a spring (44) for bouncing up the positioning column (41) is arranged at the bottom of the positioning column (41).