CN219170640U

CN219170640U - Clamp for rapidly detecting coplanarity of Pin pins of shielding cover

Info

Publication number: CN219170640U
Application number: CN202223155871.XU
Authority: CN
Inventors: 汤治荣; 谢春; 于辉洋; 朱力; 曾光俊; 谭聪聪; 王瑜; 刘玖玥; 米月亮; 李禀华
Original assignee: Chengdu Homin Technology Co Ltd
Current assignee: Chengdu Homin Technology Co Ltd
Priority date: 2022-11-28
Filing date: 2022-11-28
Publication date: 2023-06-13
Anticipated expiration: 2032-11-28

Abstract

The utility model discloses a clamp for rapidly detecting Pin coplanarity of a shielding case, which comprises a base, a pressing plate and a limiting mechanism; the base is provided with square grooves, a plurality of protrusions which are parallel one by one are arranged in the square grooves, and sliding grooves are formed between every two adjacent protrusions; the pressing plate is provided with a plurality of limit grooves which are in one-to-one correspondence with the sliding grooves, and limit rib plates are formed between the adjacent limit grooves. The shielding cover clamping device is simple in structure, the shielding cover is located between the base and the pressing plate, the limiting pins are arranged in the sliding grooves, and the limiting pins slide in the sliding grooves for limiting and restraining the shielding cover, the limiting pins are restrained on the limiting rib plates of the pressing plate by the adjusting limiting block, the limiting pins are fixed, the shielding covers with different sizes and shapes can be restrained, the clamping efficiency of the shielding cover is improved, and the shielding cover is subjected to coplanarity rapid detection by the OMM image monitor.

Description

Clamp for rapidly detecting coplanarity of Pin pins of shielding cover

Technical Field

The utility model relates to the technical field of clamps, in particular to a clamp for rapidly detecting Pin coplanarity of a shielding cover.

Background

The shielding cover is a tool for shielding electronic signals, and consists of Pin pins and a cover body, and in the production process of the shielding cover, the coplanarity of the shielding cover is required to be detected, and the coplanarity detection for different shielding covers is generally adopted in the prior art because the sizes and the shapes of various shielding covers are different: the method comprises the steps of carrying out coplanarity measurement on a shielding cover in a flat plate, pressing blocks and a feeler gauge mode, wherein a Pin abdicating groove of the shielding cover is formed in the flat plate, the Pin is located in the abdicating groove, the pressing blocks are located above a cover body of the shielding cover and are in pressure connection with the cover body, the feeler gauge is tightly attached to the Pin surface, three points are taken at 45-degree positions crossing left and right in the vertical direction and in situ to carry out measurement, and an average value of the three points is taken as a coplanarity detection result. But in the production and turnover process of the shielding case, abnormal Pin pins which do not meet production requirements easily appear, when coplanarity detection is carried out in a mode of a flat plate, a pressing block and a feeler gauge, the feeler gauge cannot measure the abnormal Pin pins, poor leakage is caused, an empty welding phenomenon is generated when the shielding case is welded subsequently, and the detection mode is low in efficiency.

Because all kinds of shield covers are different in size and shape, the OMM image measuring instrument is adopted, measurement can be carried out only in the restrained state of the shield covers, and each kind of shield covers with different sizes and shapes are restrained by a special clamp, so that the detection cost is greatly improved, and the design of the coplanarity detection clamp which can improve the detection efficiency and is universal for different kinds of shield covers is needed.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provides a clamp for rapidly detecting the coplanarity of pins of a shielding cover.

The aim of the utility model is realized by the following technical scheme:

a clamp for rapidly detecting Pin coplanarity of a shielding case comprises a base, a pressing plate and a limiting mechanism;

square recess has been seted up to the base, be provided with a plurality of one-to-one in the square recess and be parallel protruding, adjacent form the spout between the protruding.

The pressing plate is provided with a plurality of limit grooves which are in one-to-one correspondence with the sliding grooves, and limit rib plates are formed between the adjacent limit grooves.

The limiting mechanism comprises a plurality of limiting pins and adjusting limiting blocks, and fixing wings are arranged at two ends of the bottom of each limiting pin.

Each adjusting limiting block comprises a transverse part and L-shaped limiting plates positioned at two ends of the transverse part, the transverse part is provided with a pin limiting hole penetrating through the transverse part, and two ends of the transverse part are provided with blind holes I; and each L-shaped limiting plate is provided with a blind hole II, and a spring is arranged between the blind hole I and the blind hole II.

The shielding cover comprises a base, a pressing plate, limiting pins, L-shaped limiting plates, limiting grooves, limiting holes, limiting rib plates, limiting plates, and limiting plates.

The spring is a compression spring.

The pin limiting holes are in clearance fit with the limiting pins.

One end of the spring is welded in the blind hole I, and the other end of the spring is welded in the blind hole II.

The fixed wing is welded at the bottom of the limit pin.

The beneficial effects of the utility model are as follows:

the shielding cover clamping device is simple in structure, the shielding cover is located between the base and the pressing plate, the limiting pins are arranged in the sliding grooves, and the limiting pins slide in the sliding grooves for limiting and restraining the shielding cover, the limiting pins are restrained on the limiting rib plates of the pressing plate by the adjusting limiting block, the limiting pins are fixed, the shielding covers with different sizes and shapes can be restrained, the clamping efficiency of the shielding cover is improved, and the shielding cover is subjected to coplanarity rapid detection by the OMM image monitor.

Drawings

FIG. 1 is a schematic view of a base and a platen;

FIG. 2 is a schematic view of a base;

FIG. 3 is a schematic view of the structure of the adjusting stopper;

FIG. 4 is a schematic diagram of the structure of the adjusting stopper spring after stretching;

FIG. 5 is a schematic view of the structure of an L-shaped limiting plate;

FIG. 6 is a schematic diagram of a structure of a limit stop pin;

FIG. 7 is a schematic view of the structure of the lateral portion of the adjustment stopper;

in the figure, a base, a 2-pressing plate, a 3-square groove, a 4-bulge, a 5-sliding groove, a 6-limit groove, a 7-limit rib plate, an 8-limit pin, a 9-adjustment limit block, a 10-fixed wing, an 11-L-shaped limit plate, a 12-pin limit hole, a 13-blind hole I, a 14-blind hole II and a 15-spring are arranged.

Detailed Description

The technical solution of the present utility model will be described in further detail with reference to the accompanying drawings, but the scope of the present utility model is not limited to the following description.

As shown in figures 1-7, the clamp for rapidly detecting the coplanarity of the Pin feet of the shielding cover comprises a base 1, a pressing plate 2, a square groove 3, a bulge 4, a sliding groove 5, a limiting groove 6, a limiting rib plate 7, a limiting Pin 8, an adjusting limiting block 9, a fixed wing 10, an L-shaped limiting plate 11, a Pin limiting hole 12, a blind hole I13, a blind hole II 14 and a spring 15.

A clamp for rapidly detecting Pin coplanarity of a shielding cover comprises a base 1, a pressing plate 2 and a limiting mechanism.

Square recess 3 has been seted up to base 1, be provided with a plurality of one-to-one protruding 4 in the square recess 3, adjacent form spout 5 between protruding 4.

The pressing plate 2 is provided with a plurality of limit grooves 6 which are in one-to-one correspondence with the sliding grooves 5, and limit rib plates 7 are formed between the adjacent limit grooves 6.

The limiting mechanism comprises a plurality of limiting pins 8 and adjusting limiting blocks 9, and fixing wings 10 are arranged at two ends of the bottom of each limiting pin 8.

Each adjusting limiting block 9 comprises a transverse part and L-shaped limiting plates 11 positioned at two ends of the transverse part, pin limiting holes 12 penetrating through the transverse part are formed in the transverse part, and blind holes I13 are formed in two ends of the transverse part; each L-shaped limiting plate 11 is provided with a blind hole II 14, and a spring 15 is arranged between the blind hole I13 and the blind hole II 14.

The shielding cover comprises a base 1, a pressing plate 2, limiting pins 8, L-shaped limiting plates 11 at two ends of an adjusting limiting block 9 and side walls of adjacent limiting rib plates 7, wherein the base 1 and the pressing plate 2 form a shielding cover accommodating space, each limiting pin 8 is located in a sliding groove 5, the limiting pins 8 sequentially penetrate through the limiting grooves 6 and pin limiting holes 12, and the L-shaped limiting plates 11 at two ends of the adjusting limiting block are in pressure connection with the side walls of the adjacent limiting rib plates 7.

The spring 15 is a compression spring.

The pin limiting hole 12 is in clearance fit with the limiting pin 8.

One end of the spring 15 is welded in the blind hole I13, and the other end of the spring 15 is welded in the blind hole II 14.

The fixed wing 10 is welded at the bottom of the limit pin 8.

The working principle of the clamp for rapidly detecting the coplanarity of Pin pins of the shielding case is as follows:

firstly, a shielding case to be detected is placed on the upper surface of a base 1, a protrusion 4 arranged in a square groove 3 of the base 1 plays a supporting role on the shielding case, a plurality of limit pins 8 are placed in a sliding groove 5 according to the size and shape of the shielding case, fixing wings 10 are arranged at two ends of the bottom of each limit pin 8, the fixing wings 10 play a balance and stability role on the limit pins 8 so that the limit pins 8 do not fall in the sliding groove 8, a plurality of limit pins 8 are moved, each limit pin 8 is tightly attached to the side wall of the shielding case, and initial limit is carried out on the shielding case.

The pressing plate 2 is placed on the upper surface of the shielding cover, the shielding cover is located between the base 1 and the pressing plate 2, each limiting pin 8 penetrates through the limiting groove 6 on the pressing plate 2, the top of each limiting pin 8 is sleeved in the pin limiting hole 12 of the adjusting limiting block 9 to form limiting constraint on each limiting pin 8, the L-shaped limiting plates 11 at the two ends of the transverse portion of the adjusting limiting block 9 are pulled, the springs 15 are stretched, the first L-shaped limiting plate 11 is in compression joint with the side wall of one limiting rib plate 7 under the action of the springs 15, the other L-shaped limiting plate 11 is in compression joint with the side wall of the adjacent limiting rib plate 7 under the action of the springs 15, the two ends of the L-shaped limiting plate 11 are axially fixed to each limiting pin 8 under the action of the spring force, and therefore the limiting constraint on the shielding cover is completed.

Finally, the base 1 and the pressing plate 2 are placed on a plane, the shielding cover between the gaps of the base 1 and the pressing plate 2 is observed under the action of light refraction through the triangular prism, the fitting degree of the Pin of the shielding cover and the clamp is observed, and finally, the OMM image detector is used for measuring the Pin of the shielding cover, so that the coplanarity of the Pin of the shielding cover is obtained.

The shielding cover clamping device is simple in structure, the shielding cover is located between the base and the pressing plate, the limiting pins are arranged in the sliding grooves, and the limiting pins slide in the sliding grooves for limiting and restraining the shielding cover, the limiting pins are restrained on the limiting rib plates of the pressing plate by the adjusting limiting block, the limiting pins are fixed, the shielding covers with different sizes and shapes can be restrained, the clamping efficiency of the shielding cover is improved, and the shielding cover is subjected to coplanarity rapid detection by the OMM image detector.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. Clamp for rapidly detecting Pin coplanarity of shielding case, and is characterized in that: comprises a base (1), a pressing plate (2) and a limiting mechanism;

the base (1) is provided with square grooves (3), a plurality of protrusions (4) which are parallel one by one are arranged in the square grooves (3), and sliding grooves (5) are formed between every two adjacent protrusions (4);

the pressing plate (2) is provided with a plurality of limit grooves (6) which are in one-to-one correspondence with the sliding grooves (5), and limit rib plates (7) are formed between the adjacent limit grooves (6);

the limiting mechanism comprises a plurality of limiting pins (8) and adjusting limiting blocks (9), and fixed wings (10) are arranged at two ends of the bottom of each limiting pin (8);

each adjusting limiting block (9) comprises a transverse part and L-shaped limiting plates (11) positioned at two ends of the transverse part, pin limiting holes (12) penetrating through the transverse part are formed in the transverse part, and blind holes I (13) are formed in two ends of the transverse part; each L-shaped limiting plate (11) is provided with a blind hole II (14), and a spring (15) is arranged between the blind hole I (13) and the blind hole II (14);

the shielding cover is characterized in that a shielding cover accommodating space is formed between the base (1) and the pressing plate (2), each limiting pin (8) is located in the sliding groove (5), the limiting pins (8) sequentially penetrate through the limiting grooves (6) and the pin limiting holes (12), and the L-shaped limiting plates (11) at the two ends of the adjusting limiting block (9) are in pressure connection with the side walls of the adjacent limiting rib plates (7).

2. The fixture for rapidly detecting Pin coplanarity of shielding case according to claim 1, wherein: the spring (15) is a compression spring.

3. The fixture for rapidly detecting Pin coplanarity of shielding case according to claim 1, wherein: the pin limiting hole (12) is in clearance fit with the limiting pin (8).

4. The fixture for rapidly detecting Pin coplanarity of shielding case according to claim 1, wherein: one end of the spring (15) is welded in the blind hole I (13), and the other end of the spring (15) is welded in the blind hole II (14).

5. The fixture for rapidly detecting Pin coplanarity of shielding case according to claim 1, wherein: the fixed wings (10) are welded at the bottom of the limit pin (8).