CN218673431U

CN218673431U - PIN foot assembly height detection device of PCB

Info

Publication number: CN218673431U
Application number: CN202223045287.9U
Authority: CN
Inventors: 程兴旺; 葛剑; 吴传斌
Original assignee: Jinyao Intelligent Precision Manufacturing Suzhou Co ltd
Current assignee: Jinyao Intelligent Precision Manufacturing Suzhou Co ltd
Priority date: 2022-11-16
Filing date: 2022-11-16
Publication date: 2023-03-21
Anticipated expiration: 2032-11-16

Abstract

The utility model discloses a PIN foot equipment height detection device of PCB, including the locating plate with set up in the casting die that is used for crimping location PCB of locating plate surface both sides, the locating plate surface is provided with and is used for the location PCB's constant head tank, it has a plurality of PIN feet to integrate on the PCB, be equipped with the perforating hole of dodging the PIN foot in the constant head tank, the below of locating plate is provided with along vertical direction lift drive's altitude gauge, the bottom of locating plate is provided with the backup pad, be provided with the unsteady board of elasticity butt locating plate bottom surface on the lateral wall of backup pad, the top and the corresponding coincidence of perforating hole of unsteady board set up, the bottom of unsteady board and the test head butt of altitude gauge. The utility model discloses a high-efficient quick and accurate detection PIN foot stretches out PCB highly whether meet the demands, and then whether the equipment position of quick discernment PIN foot and PCB targets in place.

Description

PIN foot assembly height detection device of PCB

Technical Field

The utility model belongs to the technical field of the PCB detects, especially, relate to a PIN foot equipment height detection device of PCB.

Background

The PIN needles are assembled on the PCB in a conventional application mode, the PIN needles are integrated in the PIN seat in rows, the end faces of the PIN feet of the PIN seat are kept flush and are at the same horizontal height before the PIN seat is installed in the PCB, and the problem that the height of the PIN feet is uneven before the PIN seat is installed in the PCB is solved. Whether the conventional PIN seat is assembled in place or not needs to be detected after the conventional PIN seat is installed in a PCB, the extension height of a PIN foot is manually detected by a scale measuring tool, the detection efficiency is low, and the condition of missing detection or error detection is easy to exist.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving above-mentioned technical problem, and provide PCB's PIN foot equipment height detecting device to realize whether high-efficient quick and accurate detection PIN foot stretches out PCB's high meet the demands, and then whether the equipment position of quick identification PIN foot and PCB targets in place. In order to achieve the above purpose, the utility model discloses technical scheme as follows:

PCB's PIN foot assembly height detection device, including the locating plate with set up in locating plate surface both sides be used for crimping location PCB's casting die, the locating plate surface is provided with and is used for the location PCB's constant head tank, it has a plurality of PIN feet to integrate on the PCB, be equipped with the perforating hole of dodging the PIN foot in the constant head tank, the below of locating plate is provided with along vertical direction lift drive's altitude gauge, the bottom of locating plate is provided with the backup pad, be provided with the unsteady board of elasticity butt locating plate bottom surface on the lateral wall of backup pad, the top and the corresponding coincidence of perforating hole of unsteady board set up, the bottom and the height gauge's of unsteady board test head butt.

Specifically, a supporting plate is arranged in the middle of the bottom surface of the positioning plate, a fixing plate is arranged at the bottom of the supporting plate, and the positioning plate and the fixing plate are in supporting connection at the peripheral angular positions through supporting columns.

Specifically, the lateral wall of backup pad can be dismantled and be provided with and be used for the staple bolt to fix the first support of height gage.

Specifically, a second support for positioning the floating plate is arranged on the side wall of the supporting plate.

Specifically, elastic guide assemblies are respectively arranged between two sides of the second support and the floating plate.

Specifically, the elastic guide assembly comprises a guide pillar connected with the second support, a linear bearing sleeved outside the guide pillar and connected with the floating plate, and a spring sleeved outside the guide pillar and clamped between the linear bearing and the second support.

Specifically, the testing head of the height gauge abuts against the middle of the bottom surface of the floating plate.

Compared with the prior art, the utility model discloses PCB's PIN foot equipment height detecting device's beneficial effect mainly embodies:

the pressing piece is arranged on the positioning plate and used for quickly positioning the PCB to the position of the positioning groove, and after the PCB is arranged in the positioning groove, the PIN foot of the PCB directly corresponds to the position of the through hole, so that a stable positioning basis is provided for the subsequent detection of the test head of the height gauge; the surface of the floating plate, which is kept in contact with the PIN foot, is a horizontal plane, the PIN foot can be prevented from being crushed by the elastically arranged floating plate, and meanwhile, when the PIN foot is separated from the test, the floating plate has a good reset function, so that the test time is reduced; the height that PIN foot stretches out from the perforating hole can be through the floating distance accurate measurement of floating plate and calculate whether the assembly position height of PIN foot satisfies the requirement, has ensured the uniformity of test condition and the accuracy of test.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic view of a positioning groove structure in the present embodiment;

FIG. 3 is a schematic structural view of the height gauge in this embodiment;

FIG. 4 is a schematic structural diagram of an elastic guide assembly according to the present embodiment;

the figures in the drawings represent:

the test device comprises a positioning plate 1, a positioning groove 11, a through hole 12, a PCB2, a pressing piece 3, a height gauge 4, a test head 41, a supporting plate 5, a fixing plate 51, a first bracket 52, a first semi-ring seat 53, a second semi-ring seat 54, a floating plate 6, a second bracket 61, a guide pillar 62, a linear bearing 63 and a spring 64.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be understood that the described embodiments are only some embodiments of the present invention, and not all embodiments.

Example (b):

referring to fig. 1-4, this embodiment is a PIN assembly height detection device of a PCB, including a positioning plate 1 and pressing members 3 disposed on two sides of the surface of the positioning plate 1 and used for press-connecting and positioning the PCB2, a positioning groove 11 for positioning the PCB2 is disposed on the surface of the positioning plate 1, a plurality of PIN legs are integrated on the pcba 2, a through hole 12 for avoiding the PIN leg is disposed in the positioning groove 11, a height gauge 4 driven to ascend and descend along a vertical direction is disposed below the positioning plate 1, a supporting plate 5 is disposed at the bottom of the positioning plate 1, a floating plate 6 elastically abutted to the bottom surface of the positioning plate 1 is disposed on the side wall of the supporting plate 5, the top of the floating plate 6 is disposed in a coincidence manner corresponding to the through hole 12, and the bottom of the floating plate 6 is abutted to a testing head 41 of the height gauge 4.

The bottom surface middle part of locating plate 1 is provided with backup pad 5, and the bottom of backup pad 5 is provided with fixed plate 51, and the peripheral angular position of locating plate 1 and fixed plate 51 all supports through the support column and connects, and the lateral wall of backup pad 5 can be dismantled and is provided with first support 52 that is used for the fixed height gage 4 of staple bolt, and the corresponding adaptation of height of arranging of first support 52 and height gage 4 for height gage 4's test head 41 just in time with the roof pressure of 6 roof pressure of floating slab in locating plate 1 bottom surface. The first support 52 comprises a first semi-ring seat 53 and a second semi-ring seat 54, the first semi-ring seat 53 and the second semi-ring seat 54 surround the outer wall of the height gauge 4, the first semi-ring seat 53 is connected with the second semi-ring seat 54 through bolts, the first semi-ring seat 53 is connected with the support plate 5 through bolts, and the second semi-ring seat 54 is connected with the support plate 5 through bolts. The first support 52 has a flexible structure, and the height of the installation position of the height gauge 4 can be conveniently adjusted.

The side wall of the supporting plate 5 is further provided with a second bracket 61 for positioning the floating plate 6, elastic guide assemblies are respectively arranged between two sides of the second bracket 61 and the floating plate 6, the elastic guide assemblies enable the floating plate 6 to keep balanced lifting, each elastic guide assembly comprises a guide post 62 connected with the second bracket 61, a linear bearing 63 sleeved outside the guide post 62 and connected with the floating plate 6, and a spring 64 sleeved outside the guide post 62 and clamped between the linear bearing 63 and the second bracket 61, when the floating plate 6 is stressed, the linear bearing 63 descends along the guide post 62 and presses the spring 64, correspondingly, when the pressure of the floating plate 6 is eliminated, the elastic force of the spring 64 pushes the linear bearing 63 to reset, and the floating plate 6 abuts against the bottom surface of the positioning plate 1.

In this example, the height gauge 4 is a commercially available brand height, model No. 5307F-25. The test head 41 of the height gauge 4 abuts against the middle part of the bottom surface of the floating plate 6, and when the height of the floating plate 6 changes in a moving mode, the test head 41 can accurately detect a change value and feed back detection data to the display instrument.

The pressing piece 3 in this embodiment is a quick press.

When the embodiment is applied, the PCB2 is placed in the positioning groove 11, the pressing pieces 3 on two sides are used for pressing and positioning the PCB2, so that the PCB2 is kept stable, the PIN feet on the bottom surface of the PCB2 penetrate into the through holes 12, when the heights of the PIN feet are not met, the floating plate 6 is kept in a stationary state, and the height gauge 4 does not detect data, so that the poor assembly position of the PIN feet is indicated; after the PIN passes through the through hole 12, the floating plate 6 is pressed and lowered by a certain height, the test head 41 can accurately detect the moving height of the floating plate 6, and further judge whether the PIN is assembled in place, if the height data meet the set requirement, the PIN is qualified, otherwise, the PIN is unqualified.

In the embodiment, the pressing piece 3 is arranged on the positioning plate 1 and used for quickly positioning the PCB2 to the position of the positioning groove 11, and after the PCB2 is arranged in the positioning groove 11, the PIN foot of the PCB directly corresponds to the position of the through hole 12, so that a stable positioning basis is provided for the detection of the test head 41 of the subsequent height gauge 4; the surface of the floating plate 6, which is kept in contact with the PIN foot, is a horizontal plane, the elastic floating plate 6 can avoid crushing the PIN foot, and meanwhile, when the PIN foot is separated from the test, the floating plate 6 has a good reset function, so that the test time is reduced; the height of the PIN extending out of the through hole 12 can be accurately measured through the floating distance of the floating plate 6, whether the height of the assembly position of the PIN meets the requirement or not is calculated, and the uniformity of test conditions and the test accuracy are ensured.

In the description of the present invention, the terms "mounted," "connected," "fixed," and the like are used in a broad sense, for example, "connected" may be a fixed connection, a detachable connection, or an integral connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the description of the present specification, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although the embodiments of the present invention have been described above, the description is only for the convenience of understanding the present invention, and the present invention is not limited thereto. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

The PIN foot assembly height detection device of PCB, including the locating plate with set up in locating plate surface both sides be used for the casting die of crimping location PCB, the locating plate surface is provided with and is used for the location the constant head tank of PCB, integrated a plurality of PIN feet, its characterized in that on the PCB: the locating groove is internally provided with a through hole avoiding a PIN foot, a height gauge driven to lift along the vertical direction is arranged below the locating plate, a supporting plate is arranged at the bottom of the locating plate, a floating plate elastically abutted to the bottom surface of the locating plate is arranged on the side wall of the supporting plate, the top of the floating plate is correspondingly overlapped with the through hole, and the bottom of the floating plate is abutted to a testing head of the height gauge.
2. The PIN pad assembly height detection device of a PCB of claim 1, wherein: the bottom surface middle part of locating plate is provided with the backup pad, the bottom of backup pad is provided with the fixed plate, the locating plate all passes through the support column support connection with the peripheral angular position of fixed plate.
3. The PIN pad assembly height detection device of a PCB of claim 1, wherein: the lateral wall of backup pad can be dismantled and is provided with and be used for the staple bolt fixed the first support of height gage.
4. The PIN pad assembly height detection device of a PCB of claim 1, wherein: and a second bracket for positioning the floating plate is arranged on the side wall of the supporting plate.
5. The PIN assembling height detecting apparatus of the PCB of claim 4, wherein: elastic guide assemblies are respectively arranged between the two sides of the second support and the floating plate.
6. The PIN pad assembly height detection device of a PCB of claim 5, wherein: the elastic guide assembly comprises a guide pillar connected with the second support, a linear bearing sleeved outside the guide pillar and connected with the floating plate, and a spring sleeved outside the guide pillar and clamped between the linear bearing and the second support.
7. The PIN pad assembly height detection device of a PCB of claim 1, wherein: and the testing head of the height gauge is abutted against the middle part of the bottom surface of the floating plate.