CN210665817U - Test fixture for stamp hole packaging module on two sides - Google Patents
Test fixture for stamp hole packaging module on two sides Download PDFInfo
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- CN210665817U CN210665817U CN201921433583.1U CN201921433583U CN210665817U CN 210665817 U CN210665817 U CN 210665817U CN 201921433583 U CN201921433583 U CN 201921433583U CN 210665817 U CN210665817 U CN 210665817U
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Abstract
The utility model relates to a test fixture for stamp hole packaging modules on two sides, wherein one end of a base is provided with an end strip, and the outer side of the end strip is provided with a mounting plate; a first lug is arranged above the outer end of the main platform, a pin mounting hole is arranged on the first lug, and a first cover plate covers the main platform and is connected with the base through a screw; the mobile station is arranged in the base and corresponds to the main station; the second cover plate covers the mobile station and is connected with the base through a screw; one end of the push rod is provided with threads, the other end of the push rod is provided with an ear fork, the push rod penetrates through a shaft hole in the end strip to be connected with the guide screw hole, and the end block is fixedly connected with the mounting plate. The utility model discloses possess small, with low costs, long service life, simple operation, compatibility and expansibility are good, can not cause advantages such as damage to the module of being surveyed.
Description
Technical Field
The utility model relates to a circuit module test technology, in particular to both sides stamp hole encapsulation module test fixture.
Background
Stamp holes, also called half-hole bonding pads, are a splicing mode adopted when a printed board is used as a board, and are usually adopted as signal input and output by circuit modules with relatively independent functions because of convenient processing, low cost and suitability for mounting and welding, so that the stamp holes become a new packaging mode, namely stamp hole packaging. The stamp hole packaging module is generally in a two-sided or four-sided signal leading mode, such as a WiFi module, an MDSL module, a 9G45 module, and the like. However, when the modules are produced and detected, because no signal leading-out connector exists, a common test fixture cannot clamp the modules, and related tests cannot be realized, so that troubles are brought to detection of the type of packaging modules. The current method is to weld the test board and the tested module pin together by wire, so as to lead out or input the signal into the tested module to realize the detection of the module. And after the test is finished, the lead is detached from the tested module. Although this approach solves the problem of testing modules, it has a number of drawbacks. For example: for a module with more pins and smaller space, the difficulty of welding pins and wires is increased along with the increase of the number of the wires, so that the welding process is labor-consuming and time-consuming; for a module which is detected to be unqualified for one time, the lead of the pin bonding pad needs to be repeatedly detached and welded for many times so as to carry out maintenance and retest, so that the damage of the pin bonding pad of the module is easily caused, and the module is scrapped; for the module which is qualified in detection, the process treatment of removing the redundant soldering tin is also needed to be carried out on the pin bonding pad so as to meet the appearance of the module, the quality requirement when the pin bonding pad is welded again and the like. The above factors result in low efficiency, high cost, and ineffective product quality in the whole production process of the module, and the problems are particularly prominent when the production batch is large.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a can carry out anchor clamps of testing to both sides stamp hole encapsulation module is provided, can play the fastening to the module under test to draw forth the signal or input module simultaneously, thereby realize reaching the test that improves test work efficiency, reduction in production cost guarantees product quality's purpose to the test of module.
The utility model adopts the following technical proposal to realize the purpose. A test fixture for stamp hole packaging modules on two sides comprises a base, a main table, a moving table and a push rod, wherein the base is rectangular, mounting tables are arranged on two side edges of the base, object taking grooves are formed in the inner sides of the mounting tables, and blocking strips are arranged on the outer edges of the upper surfaces of the mounting tables; one end of the base is provided with an end strip, and the outer side of the end strip is provided with a mounting plate; the middle of the end strip is provided with a shaft hole, and two sides of the shaft hole are provided with kidney-shaped grooves;
the main table is rectangular, a first lug is arranged above the outer end of the main table, a needle mounting hole is formed in the first lug, and the main table is fixedly connected with the base through a screw; the first cover plate covers the main platform and is connected with the mounting platform of the base through a screw;
a second lug is arranged above one end of the mobile station, which is opposite to the main station, a needle mounting hole is also arranged on the second lug, a guide screw hole is arranged at the outer end of the mobile station, and the mobile station is arranged in the base and corresponds to the main station; the second cover plate covers the mobile station and is connected with the base through a screw;
one end of the push rod is provided with threads, the other end of the push rod is provided with an ear fork, the push rod penetrates through a shaft hole in the end strip to be connected with the guide screw hole, the ear fork of the push rod is connected with the connecting rod through a pin shaft, the connecting rod is connected with an open slot arranged at the root of the driving lever through a pin shaft, the open slot is connected with a convex body on the end block through a pin shaft, and the end block is fixedly connected.
Further, the cavity depth of the base is slightly larger than the thickness of the main platform and the thickness of the movable platform.
The utility model discloses a stir the driving lever and drive the connecting rod, drive the push rod when the connecting rod back-and-forth movement, make the mobile station remove through utilizing the direction screw to control the mobile station to the centre free clamping or loosen. Because the front end face of the mobile station is provided with the test needle, the signal can be led out or input into the module while the tested module is clamped and fixed, and the detection of the tested module is realized. The module can be conveniently taken and placed when the module to be tested is loosened. The utility model discloses possess small, with low costs, long service life, simple operation, compatibility and expansibility are good, can not cause advantages such as damage to the module under test, have extensive application.
Drawings
Fig. 1 is a schematic view of an assembly structure of the present invention;
fig. 2 is a perspective view of the overall structure of the present invention.
In the figure: 01. a module to be tested, 02, a test pin; 1. the device comprises a base, 101, a barrier strip, 102, a mounting plate, 103, an end strip, 104, a shaft hole, 105, a mounting table and 106 fetching grooves; 2. a main table, 201, a first bump, 202, a pin hole; 3. a mobile station, 301, a guide screw hole, 302, a second bump; 4. end block, 401 convex body; 5. the driving lever 501 is an open slot, 6 is a connecting rod, 7 is a push rod, 8 is a first cover plate, and 9 is a second cover plate.
Detailed Description
The present invention will be further explained with reference to the drawings and examples. Referring to fig. 1 to 2, the test fixture for stamp hole packaging modules on two sides comprises a base 1, a main table 2, a mobile table 3 and a push rod 7, wherein the base 1 is rectangular, an installation table 105 is arranged on the side edge of the base 1, an object taking groove 106 is arranged on the inner side of the installation table 105, a barrier strip 101 is arranged on the installation table 105, an end strip 103 is arranged at one end of the base 1, and an installation plate 102 is arranged on the outer side of the end strip 103; the middle position of the end strip 103 is provided with a shaft hole 104, and two sides of the shaft hole 104 are provided with kidney-shaped grooves; the main table 2 is rectangular, a first bump 201 is arranged above the outer end of the main table, a pin mounting hole 202 is formed in the first bump 201, and the main table 2 is fixedly connected with the base 1 through a screw; the first cover plate 8 covers the main platform 2 and is connected with the base 1 through screws; the mobile station 3 is square, a second lug 302 is arranged above the inner side end of the mobile station, a needle mounting hole is also arranged on the second lug 302, a guide screw hole 301 is arranged at the outer end of the mobile station 3, and the mobile station 3 is arranged in the base 1 and corresponds to the main station 2; the second cover plate 9 covers the mobile station 3 and is connected with the base 1 through a screw; one end of the push rod 7 is provided with threads, the other end of the push rod 7 is provided with an ear fork, the push rod 7 penetrates through a shaft hole 104 in the end strip 103 to be connected with the guide screw hole 301, the ear fork of the push rod 7 is connected with the connecting rod 6 through a pin shaft 10, the connecting rod 6 is connected with an open slot 501 arranged at the root of the shift lever 5 through the pin shaft 10, the open slot 501 is connected with a convex body 401 on the end block 4 through the pin shaft 10, and the end block 4. The cavity depth of the base 1 is slightly larger than the thickness of the main platform 2 and the movable platform 3.
The utility model discloses both sides stamp hole encapsulation module test fixture, be square base 1 including one, middle fretwork designs into the cavity, and the side is provided with mount table 105, and mount table 105's inboard is provided with gets thing groove 106 for get put by survey module 01. A barrier strip 101 is arranged on the mounting table 105, an end strip 103 is arranged at one end of the base 1, and a mounting plate 102 is arranged outside the end strip 103; the middle position of the end strip 103 is provided with a shaft hole 104, and two sides of the shaft hole 104 are provided with kidney-shaped grooves for wiring; the size of the main platform 2 is the same as that of the cavity, 4 threaded holes are designed at the bottom of the main platform and used for being installed in the cavity of the base 1, a first convex block 201 is designed on the main platform, and 25 pin installing holes 202 are designed on the first convex block and used for installing the test pins 02. A second bump 302 is arranged above the inner end of the moving table 3, and 25 test pin holes 303 are designed on the second bump 302 for mounting the test pins 02. The outer end of the mobile station 3 is provided with a guide screw hole 301, and the mobile station 3 is arranged in the base 1 and corresponds to the main station 2.
The bottom of the end block 4 is provided with four threaded holes for connecting and fixing with the mounting plate 102 of the base 1, the upper part is provided with a convex body 401, and the convex body 401 is provided with a through hole. The root of the shift lever 5 is provided with an open slot 501, and two through holes are correspondingly formed on two sides of the open slot 501. The convex body 401 on the end block 4 is inserted into the open slot 501 and passes through the mounting hole through the pin shaft 10 to be connected with the shift lever 5. Two through holes are formed in the left end and the right end of the connecting rod 6, and one end of the connecting rod 6 is inserted into the open slot 501 and penetrates through the mounting hole through a pin shaft 10 to be connected with the shifting lever 5. One end of the push rod 7 is provided with threads, the other end of the push rod 7 is provided with an ear fork, the push rod 7 penetrates through a shaft hole 104 in the end strip 103 to be connected with the guide screw hole 301, the ear fork of the push rod 7 is connected with the connecting rod 6 through a pin shaft 10, the connecting rod 6 is connected with an open slot 501 arranged at the root of the shift lever 5 through the pin shaft 10, the open slot 501 is connected with a convex body 401 on the end block 4 through the pin shaft 10, and the end block 4 is.
The first cover plate 8 and the second cover plate 9 are both rectangular. Two counter bores are arranged on the first cover plate 8, and four counter bores are arranged on the second cover plate 9. The first cover plate 8 and the base 1 sequentially penetrate through the mounting holes through screws to be connected and fixed. The second cover plate 9 and the base 1 sequentially penetrate through the mounting holes through screws to be connected and fixed. The main table 2 and the mobile table 3 are respectively fixed in the cavity of the base 1, and the mobile table 3 is limited to move up and down.
The utility model discloses an operating procedure as follows:
1) firstly, lifting a deflector rod 5, driving the connecting rod 6 by the deflector rod 5, driving the push rod 7 when the connecting rod 6 moves backwards, and driving the mobile stations 3 to move outwards by utilizing the guide screw holes 301 so as to drive the mobile stations 3 to move backwards and separate;
2) after the deflector rod 5 is lifted to the right, the tested module 01 is placed between the mobile station 3 and the main station 2, and whether the tested module 01 is placed flatly in place or not and whether the direction is correct or not is checked;
3) after the detection is correct, the driving lever 5 is pressed downwards, the driving lever 5 drives the connecting rod 6, the connecting rod 6 drives the push rod 7 when moving forwards, the mobile station 3 is moved by utilizing the guide screw hole 301, and the mobile station 3 is driven to move forwards, so that the tested module 01 is pressed;
4) when the deflector rod 5 is pressed downwards to be in place, the testing needle 02 on the mobile station 3 can fully contact stamp holes at two sides of the tested module 01 and clamp the tested module 01, so that the effects of fastening, leading out and inputting signals into the tested module 01 are achieved, and the tested module 01 can be tested after the testing is correct;
5) after the test is finished, the shift lever 5 is lifted, the mobile station 3 is pulled to move backwards, and finally the test pin 02 is separated from the stamp holes on the two sides of the module 01 to be tested and loosens the module 01 to be tested, so that the module 01 to be tested can be taken and placed.
Example (b): a preferred embodiment of the present invention will be described below by taking an MDSL-2 cable transmission module as an example. The MDSL-2 wired transmission module (hereinafter referred to as a tested module 01) adopts stamp holes at two sides as module signal output and input pins, the number of the pins is 50 cores (25 + 25), the diameter of the pins (stamp holes) is 1mm, the distance between two adjacent pins is 2mm, the length and width of the module is 70mm multiplied by 50mm, the plate thickness is 1.6mm, and devices are uniformly distributed on two sides.
According to the appearance characteristics of the module 01 to be tested, the whole test fixture is designed to be composed of parts such as a base 1, a main table 2, a mobile table 3, an end block 4, a deflector rod 5, a connecting rod 6, a push rod 7, a first cover plate 8 and a first cover plate 9 (shown in figure 2).
According to the stamp hole diameter (1 mm) and the space (2 mm) size of a module 01 to be tested, the specification and the model of a test needle 02 are determined, and a gold-plated test needle 02 with a needle head with the telescopic stroke of 2mm, a needle tube with the outer diameter of 0.86mm, a needle tube with the length of 17.5mm, a compaction elasticity of 80g and a needle tube with steps and a lead-out connecting line is selected.
The main platform 2 and the mobile platform 3 are made of non-metal materials, the main platform 2 is in size (length 80mm, width 50mm, thickness 10 mm), the mobile platform 3 is in size (length 50mm, width 38mm, thickness 10 mm), the hole assembling holes 202 and 303 of the main platform 2 and the mobile platform 3 are matched with the outer diameter (0.86 mm) of the needle tube of the test needle 02, the distance is designed to be consistent with the distance (2 mm) between stamp holes of the module 01 to be tested, the distance from the center of the hole to the top is 1mm, and the needle head of the test needle 02 is completely corresponding to the stamp hole of the module 01 to be tested during testing. The test needles 02 are installed and fixed in the needle installing holes 202 and 303 in an extrusion mode, and the steps of the needle tubes are used for positioning, so that the lengths of all the test needles 02, which are exposed out of the first bumps 202, are consistent, and the uniform stress is facilitated when the test needles 02 are in contact with the inner walls of the stamp holes. The main platform 2 is fixed in the cavity of the base 1, and the moving platform 3 extrudes the module to be tested 01 through the movement of the push rod 7 and the deflector rod 5, so that the purpose of testing is achieved.
The first cover plate 8 and the second cover plate 9 are made of transparent non-metal materials, the size of the first cover plate is matched with the size of the mounting platform 105 of the base 1 in a design mode, the first cover plate 8 and the second cover plate 9 are mounted in the mounting platform 105 of the base 1, and the size of a window formed after the first cover plate 8 and the second cover plate 9 are spliced is slightly larger than the size of the upper portion of the tested module 01 through the design of the front end.
The mobile station 3 moves and adjusts the tightness: the moving tightness of the mobile station 3 can be adjusted by adjusting the tightness of the mounting screws of the second cover plate 9;
the clamping limit position of the test needle 02 is adjusted: before the installation, use earlier to be surveyed module 01 and put into the main tributary dead slot, manual promotion push rod 7 leans on mobile station 3 and main tributary 2 tightly, and when mobile station 3 can't compress tightly surveyed module 01 completely, accessible rotating push rod 7 adjusts the clearance between push rod 7 and the mobile station 3 to reach mobile station 3 and compress tightly surveyed module 01 completely.
Because stamp holes on two sides of the module 01 to be tested are respectively clamped by the independent testing needles 02, when the testing needles 02 are stressed unevenly, the extending lengths of the testing needles 02 can be automatically adjusted according to the stress of the testing needles 02, so that good contact between the testing needles 02 and stamp hole walls on two sides of the module 01 to be tested is ensured, and leading-out and input of various signals of the module 01 to be tested are ensured.
The material object manufacturing verification proves that the push rod 7 can be driven to move by pressing the shift lever 5 downwards, so that the mobile station 3 approaches to the main station 2, and finally the test pin 02 can fully contact stamp holes at two sides of the module to be tested 01 and clamp the module to be tested 01; the lifting lever 5 is lifted upwards to drive the push rod 7 to move, so that the moving platform 3 is far away from the main platform 2, finally the testing needle 02 can be fully separated from stamp holes on two sides of the tested module 01, the tested module 01 is released, and the tested module 01 is convenient to take and place. The test fixture can fasten the tested module 01 and lead out and input signals into the tested module 01, can test stamp hole packaging modules on two sides of the tested module 01, and is good in using effect.
Claims (2)
1. Stamp hole encapsulation module test fixture in both sides includes base, primary station, mobile station and push rod, its characterized in that:
the base is rectangular, mounting platforms are arranged on two side edges of the base, an object taking groove is formed in the inner side of each mounting platform, and a barrier strip is arranged on the outer edge of the upper surface of each mounting platform; one end of the base is provided with an end strip, and the outer side of the end strip is provided with a mounting plate; the middle of the end strip is provided with a shaft hole, and two sides of the shaft hole are provided with kidney-shaped grooves;
the main table is rectangular, a first lug is arranged above the outer end of the main table, a needle mounting hole is formed in the first lug, and the main table is fixedly connected with the base through a screw; the first cover plate covers the main platform and is connected with the mounting platform of the base through a screw;
a second lug is arranged above one end of the mobile station, which is opposite to the main station, a needle mounting hole is also arranged on the second lug, a guide screw hole is arranged at the outer end of the mobile station, and the mobile station is arranged in the base and corresponds to the main station; the second cover plate covers the mobile station and is connected with the base through a screw;
one end of the push rod is provided with threads, the other end of the push rod is provided with an ear fork, the push rod penetrates through a shaft hole in the end strip to be connected with the guide screw hole, the ear fork of the push rod is connected with the connecting rod through a pin shaft, the connecting rod is connected with an open slot arranged at the root of the driving lever through a pin shaft, the open slot is connected with a convex body on the end block through a pin shaft, and the end block is fixedly connected.
2. The two-sided postage stamp hole encapsulation module test fixture of claim 1, wherein: the depth of the cavity of the base is slightly larger than the thickness of the main platform and the thickness of the movable platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921433583.1U CN210665817U (en) | 2019-08-30 | 2019-08-30 | Test fixture for stamp hole packaging module on two sides |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921433583.1U CN210665817U (en) | 2019-08-30 | 2019-08-30 | Test fixture for stamp hole packaging module on two sides |
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| Publication Number | Publication Date |
|---|---|
| CN210665817U true CN210665817U (en) | 2020-06-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921433583.1U Active CN210665817U (en) | 2019-08-30 | 2019-08-30 | Test fixture for stamp hole packaging module on two sides |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110456111A (en) * | 2019-08-30 | 2019-11-15 | 北方联创通信有限公司 | Both sides stamp hole package module test fixture and operating method |
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2019
- 2019-08-30 CN CN201921433583.1U patent/CN210665817U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110456111A (en) * | 2019-08-30 | 2019-11-15 | 北方联创通信有限公司 | Both sides stamp hole package module test fixture and operating method |
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