CN213934107U

CN213934107U - PIN needle type chip testing seat mechanism

Info

Publication number: CN213934107U
Application number: CN202022712602.3U
Authority: CN
Inventors: 邢林; 余振涛
Original assignee: Guangshuo Semiconductor Suzhou Co ltd
Current assignee: Guangshuo Semiconductor Suzhou Co ltd
Priority date: 2020-11-23
Filing date: 2020-11-23
Publication date: 2021-08-10
Anticipated expiration: 2030-11-23

Abstract

The utility model provides a PIN needle type chip testing seat mechanism, which belongs to the field of electrical inspection, and comprises a fixed lower part, wherein the upper end of the fixed lower part is provided with a counter bore, a press spring is arranged in the counter bore, the upper end of the press spring is fixedly provided with a moving upper part, the press spring is arranged between the moving upper part and the fixed lower part, the moving upper part is manually pressed downwards to reach the limiting bottom end of a moving guide groove under the action of the press spring, and simultaneously, the front end of a clamping jaw is driven to move downwards to enable the clamping jaw to press an upper needle matrix, if a chip is arranged in the upper needle matrix, the clamping jaw directly fixes the chip, when the moving upper part receives the straight line downwards (the reverse force of the press spring), the moving upper part moves downwards, the front end of the clamping jaw is lifted and opened, the chip can be placed or taken out, the movement is simple, only needs a certain straight line force, the movement design of the full-automatic test burning machine is convenient.

Description

PIN needle type chip testing seat mechanism

Technical Field

The utility model belongs to the electrical inspection field, concretely relates to PIN PIN type chip test seat mechanism.

Background

Short circuit test and conduction test are mainly used for testing the connection condition of electronic devices, namely short circuit and conduction test, and specifically, whether a place where an electronic element is to be connected is tested, if the place is not connected, the place is open circuit, and if the place is not connected, the place is short circuit.

Patent number CN205982500U, a PIN needle test equipment, the utility model provides a PIN needle test equipment has realized that automatic PIN needle to electronic component carries out short circuit test and conduction test to and get rid of the electronic component's that has unqualified PIN needle technical effect automatically, has improved electronic component's efficiency of software testing, has reduced artifical input, has reduced enterprise's production and detection cost.

However, the patent has some problems in the using process, 1, the original device is not stable enough when clamping the chip, when the probe contacts the chip, the chip is deviated to influence the accuracy of the chip, the moving process of the whole device is complex, the operation is complex, and the device is inconvenient for large-scale popularization; 2. the chip cannot be effectively tested according to the type of the needle template, production management is not convenient, production cost is increased, and when the chip is put in, the leaked probe tips can scratch the chip to influence the quality of the chip.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a PIN PIN type chip test seat mechanism aims at solving the problem that can't effectively detect the chip mounting among the prior art.

In order to achieve the above object, the utility model provides a following technical scheme: including fixed lower part, the counter bore has been seted up to fixed lower part upper end, counter bore internally mounted has the pressfitting spring, pressfitting spring upper end fixed mounting has the motion upper part, the motion guide way has been seted up to motion upper part one side, be connected with jack catch motion uide PIN between fixed lower part and the motion upper part, PIN needle mounting panel is installed to fixed lower part inside bottom, needle diaphragm under is installed to PIN needle mounting panel upper end, the well needle diaphragm is installed to needle diaphragm upper end down, well needle diaphragm is installed to well needle diaphragm upper end, the chip standing groove is installed to well needle diaphragm upper end, fixed mounting has the jack catch on the chip standing groove, the jack catch locating PIN is installed outward to the jack catch, PIN needle is installed to PIN needle mounting panel lower extreme.

As an optimized proposal, a PIN mold positioning PIN is arranged between the PIN PIN mounting plate and the lower PIN mold sheet.

Adopt above-mentioned scheme: and the PIN mounting plate and the lower PIN die sheet are connected together through the PIN die positioning PINs.

As a preferred embodiment of the present invention, a probe is installed between the lower needle mold piece and the middle needle mold piece.

Adopt above-mentioned scheme: the lower needle template and the middle needle template are connected together through the probe.

As an optimized scheme of the utility model, fixed lower part lower extreme bottom is installed and is fixed the screw, the fixed screw is fixed PIN needle mounting panel, lower needle diaphragm and well needle diaphragm under fixed on the part.

Adopt above-mentioned scheme: and the PIN needle mounting plate, the lower needle template and the middle needle template are fixedly mounted at the lower end of the fixed lower component through fixing screws.

As an optimal scheme of the utility model, the mounting hole has been seted up on lower needle template and the middle needle template, mounting hole internally mounted has the probe, the probe lower extreme supports on PIN needle mounting panel, the probe runs through last needle template, middle needle template and lower needle template.

Adopt above-mentioned scheme: the probe is installed in the mounting hole, so that the probe can process the chip conveniently.

As an optimized proposal of the utility model, a return spring is arranged between the upper needle template and the middle needle template.

Adopt above-mentioned scheme: the upper needle diaphragm after being pressed can be restored to the original position through the elastic force generated by the compressed return spring through the installed return spring.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the pressing spring is arranged between the upper moving part and the lower fixing part, the upper moving part is pressed downwards manually, the pressing spring reaches the lowest limiting end of the moving guide groove under the action of the pressing spring, the front end of the clamping jaw is driven to move downwards, the clamping jaw is enabled to press the upper needle die sheet tightly, if a chip is arranged in the upper needle die sheet, the clamping jaw directly fixes the chip, when the upper moving part is linearly downwards (the reverse force of the pressing spring), the upper needle die sheet moves downwards, the front end of the clamping jaw is lifted and opened, the chip can be placed or taken out at present, the movement is simple, only certain linear stress is needed, the movement design of the full-automatic test recorder is convenient, the upper needle die sheet is provided with a chip placing groove, the groove is provided with a guide, the chip can be placed conveniently, the size in the groove is basically consistent with the chip, and the test or recording failure caused by the position movement of the chip when the chip is stressed and fixed is avoided, the fixed lower part is provided with a positioning pin hole, the needle die is also provided with a positioning pin which corresponds to the positioning hole on the mounting position, and the positioning pin is used for positioning during mounting, so that the position accuracy of all parts is ensured;

2. the PIN needle mounting plate is mounted at the bottom of the fixed lower part, so that the types of needle matrixes can be conveniently replaced, the test seat can test different chips, the types of parts are reduced, the production management and the production cost are convenient, when the clamping jaw is opened at the upper end, the upper needle matrixes rise under the action of the return spring, so that the probes are hidden in the upper needle matrixes, probe tips leaked when the chips are placed in the upper needle matrixes are prevented from being cut and rubbed against the chips, the chips are prevented from being placed in the chip placing groove, when the clamping jaw is pressed downwards, the chips and the upper needle matrixes are stressed to descend, the probes flow out, the probe tips contact with the chip PINs, the communication between the chips and the full-automatic test burner is realized, the test or burning can be realized, the chips are ensured to be placed independently and mutually noninterfere with the chips, the test yield is ensured, the probe tips contact points on the chips are communicated, the lower ends are contacted with contact points on the PIN needle mounting plate, and circuits in the PIN needle contact plates are switched to the corresponding PIN needles, PIN needle test socket welds on the PCB board on full-automatic burning machine when using, and is more firm, and information transmission is more stable, and PIN needle welds on the PCB board, avoids appearing test socket and PCB board communication bad, avoids simultaneously because of the emergence of phenomenon such as not hard up that appears in transportation and the use. Meanwhile, the user is prevented from disassembling the test seat.

Drawings

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

fig. 1 is a schematic view of a three-dimensional structure of a PIN type chip testing seat mechanism of the present invention;

fig. 2 is a schematic structural view of a side chamber of a PIN type chip testing socket mechanism of the present invention;

fig. 3 is a schematic view of a front view structure of a PIN type chip testing base mechanism of the present invention;

fig. 4 is a schematic top view of a fixed lower component of a PIN type chip testing socket mechanism of the present invention;

fig. 5 is the sectional structure intention of a PIN type chip testing socket mechanism of the present invention.

In the figure: 1. a kinematic upper component; 2. pressing the spring; 3. fixing the lower member; 4. a motion guide groove; 5. a jaw positioning pin; 6. a jaw movement guide pin; 7. fixing screws; 8. pin positioning of the pin mold; 9. a PIN needle; 10. a claw; 11. needle installing a template; 12. a chip placing groove; 13. a middle needle template; 14. a probe; 15. a needle placing template; 16. a PIN mounting plate; 17. a return spring; 18. a counter bore; 19. and (7) installing 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.

Examples

Referring to fig. 1-5, the present invention provides the following technical solutions: comprises a fixed lower component 3, a counter bore 18 is arranged at the upper end of the fixed lower component 3, a pressing spring 2 is arranged in the counter bore 18, the upper end of the pressing spring 2 is fixedly provided with a moving upper part 1, one side of the moving upper part 1 is provided with a moving guide groove 4, a jaw motion guide PIN 6 is connected between the fixed lower part 3 and the motion upper part 1, a PIN needle mounting plate 16 is arranged at the bottom end inside the fixed lower part 3, the upper end of the PIN mounting plate 16 is provided with a lower needle template 15, the upper end of the lower needle template 15 is provided with a middle needle template 13, the upper end of the middle needle template 13 is provided with an upper needle template 11, the upper end of the upper needle template 11 is provided with a chip placing groove 12, the chip placing groove 12 is fixedly provided with a clamping jaw 10, a clamping jaw positioning PIN 5 is arranged outside the clamping jaw 10, and a PIN needle 9 is arranged at the lower end of the PIN needle mounting plate 16.

Specifically, a PIN mold positioning PIN 8 is arranged between the PIN mounting plate 16 and the lower PIN mold piece 15, and the PIN mounting plate 16 and the lower PIN mold piece 15 are connected together through the PIN mold positioning PIN 8.

Specifically, a probe 14 is installed between the lower needle mold piece 15 and the middle needle mold piece 13, and the lower needle mold piece 15 and the middle needle mold piece 13 are connected together through the probe 14.

Specifically, a fixing screw 7 is mounted at the bottom of the lower end of the lower fixing component 3, the PIN mounting plate 16, the lower PIN die 15 and the middle PIN die 13 are fixed on the lower fixing component 3 by the fixing screw 7, and the PIN mounting plate 16, the lower PIN die 15 and the middle PIN die 13 are fixedly mounted at the lower end of the lower fixing component 3 by the fixing screw 7.

Specifically, mounting holes 19 are formed in the lower needle die 15 and the middle needle die 13, probes 14 are mounted inside the mounting holes 19, the lower ends of the probes 14 abut against the PIN mounting plate 16, the probes 14 penetrate through the upper needle die 11, the middle needle die 13 and the lower needle die 15, and the probes 14 are mounted inside the mounting holes 19, so that the probes 14 can process chips conveniently.

Specifically, a return spring 17 is installed between the upper needle mold piece 11 and the middle needle mold piece 13, and the compressed upper needle mold piece 11 can be restored to the original position by the elastic force generated by the compressed return spring 17 through the installed return spring 17.

The utility model discloses a theory of operation and use flow: the mechanism is welded on a PCB (printed circuit board) on a full-automatic test recorder to ensure that a test seat is successfully communicated with the full-automatic test recorder, the mechanism is butted with a corresponding pressing device to start working, the pressing device on the full-automatic test recorder is pressed downwards to enable a moving upper part 1 to be stressed and move downwards to drive the rear end of a claw 10 to move downwards, the front end of the claw 10 is lifted, the claw 10 is opened, when the claw 10 is opened, an upper needle matrix 11 moves upwards under the action of a return spring 17 to enable the upper end of a probe 14 to be hidden in the upper needle matrix 11, a chip to be tested or recorded is placed in the test seat, the pressing device is lifted, the moving upper part 1 is lifted under the action of a pressing spring 2 to drive the front end of the claw 10 to move downwards to press the chip tightly in a chip placing groove 12, the upper needle 11 and the chip move downwards along with the pressing of the claw 10, and the upper end of the probe 14 slowly leaks out of the upper needle 11, the pin of the chip is resisted, the communication between the chip and the full-automatic test recorder is realized, (the probe 14 is characterized in that the middle is thick, the two ends are thin, the middle is provided with a spring, and the two ends can freely stretch out and draw back), the chip is tested, after the chip test is completed, the pressing device moves downwards, the moving upper part 1 is moved downwards firstly, the clamping jaw 10 is opened, the chip of the chip placing groove 12 is taken out, the chip to be tested is placed in again, the operation is circulated, all the chips are tested, and the work is completed.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A PIN needle type chip testing seat mechanism comprises a fixed lower component (3) and is characterized in that a counter bore (18) is formed in the upper end of the fixed lower component (3), a pressing spring (2) is installed inside the counter bore (18), a moving upper component (1) is fixedly installed at the upper end of the pressing spring (2), a moving guide groove (4) is formed in one side of the moving upper component (1), a jaw moving guide PIN (6) is connected between the fixed lower component (3) and the moving upper component (1), a PIN needle mounting plate (16) is installed at the bottom end inside the fixed lower component (3), a lower needle template (15) is installed at the upper end of the PIN needle mounting plate (16), a middle needle template (13) is installed at the upper end of the lower needle (15), an upper needle template (11) is installed at the upper end of the middle needle template (13), a chip placing groove (12) is installed at the upper end of the upper needle template (11), the chip placing groove (12) is fixedly provided with a clamping jaw (10), a clamping jaw positioning PIN (5) is arranged outside the clamping jaw (10), and a PIN (personal identification number) PIN (9) is arranged at the lower end of the PIN PIN mounting plate (16).

2. The PIN type chip test socket mechanism according to claim 1, wherein a PIN mold positioning PIN (8) is installed between the PIN mounting plate (16) and the lower PIN mold plate (15).

3. The PIN-type chip test socket mechanism according to claim 2, wherein the lower PIN die (15) and the middle PIN die (13) have a probe (14) mounted therebetween.

4. The PIN type chip testing seat mechanism according to claim 3, wherein the bottom of the lower end of the fixed lower component (3) is provided with a fixing screw (7), and the fixing screw (7) fixes the PIN mounting plate (16), the lower PIN die (15) and the middle PIN die (13) on the fixed lower component (3).

5. The PIN needle type chip testing seat mechanism according to claim 4, wherein the lower needle die (15) and the middle needle die (13) are provided with mounting holes (19), the inside of the mounting holes (19) is provided with probes (14), the lower ends of the probes (14) are abutted against the PIN needle mounting plate (16), and the probes (14) penetrate through the upper needle die (11), the middle needle die (13) and the lower needle die (15).

6. The PIN type chip testing socket mechanism according to claim 5, wherein a return spring (17) is installed between the upper PIN die (11) and the middle PIN die (13).