CN220543063U - Organ needle module and FPC testing device - Google Patents

Abstract

The utility model relates to the technical field of FPC testing, in particular to an organ needle module and an FPC testing device. Organ needle module includes: the upper layer of the needle mould is provided with a range extending groove, the elastic column penetrates through the range extending groove and is connected with the carrier, and the upper layer of the needle mould is arranged above the supporting component; the carrier is provided with a positioning groove for placing a part to be tested, the positioning groove is provided with a perforation, the upper layer of the needle mould is correspondingly provided with a needle mould hole, the support component is provided with an organ needle, and the organ needle penetrates through the needle mould hole and extends to the position right below the perforation; the carrier is connected with the bullet post through protruding structure, and the bullet post is provided with limit structure in the part of increase journey inslot, and protruding structure can be followed the bullet post and move down limit structure to make the organ needle pass the perforation and contact with the part that awaits measuring. The organ needle module provided by the utility model increases the movement stroke of the carrier, thereby preventing the part from being crushed during pressing.

Description

Organ needle module and FPC testing device

Technical Field

The utility model relates to the technical field of FPC testing, in particular to an organ needle module and an FPC testing device.

Background

In FPC test, the part to be tested needs to be placed in the positioning groove of the carrier, and after pressing, the part is contacted with the organ needle so as to achieve the test purpose. All modules of the existing organ needle module are flat plates, a mode of superposition fixation is adopted, the overall thickness of the module is a preset fixed thickness, no extra compression stroke is caused on the pressing back carrying platform, and when parts are not placed in place in the positioning groove or the deviation of parts is very large, the parts are crushed and even scrapped, so that the normal running of FPC testing is affected.

Disclosure of Invention

The utility model aims to provide an organ needle module and an FPC testing device, which are used for solving the problem that the existing organ needle module does not have an extra compression stroke on a carrier after lamination and is easy to cause part crush injury.

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

in a first aspect, the present utility model provides an organ needle module comprising: the needle mould upper layer is provided with a range extending groove, the elastic column penetrates through the range extending groove and is connected with the carrier, and the needle mould upper layer is arranged above the supporting component;

the support assembly is provided with an organ needle, and the organ needle penetrates through the needle die hole and extends to the position right below the perforation;

the carrier is connected with the elastic column through a protruding structure, a limiting structure is arranged on the part of the elastic column in the range extending groove, and the protruding structure can move downwards to the limiting structure along the elastic column, so that the organ needle penetrates through the perforation and contacts with a part to be tested.

Still further, the method comprises the steps of,

the protruding structure is including set up in boss bottom the microscope carrier, boss downward bulge sets up, the microscope carrier is equipped with and runs through the through-hole of boss, the bullet post stretch into the through-hole and with boss sliding fit.

Still further, the method comprises the steps of,

the limiting structure comprises a limiting section, the limiting section is formed by extending the elastic column outwards along the circumferential direction, and the diameter of the limiting section is larger than that of the boss so as to limit the maximum distance of downward movement of the boss.

Still further, the method comprises the steps of,

the range extending groove is internally provided with a step structure, and the limiting section is in interference fit with the step structure.

Still further, the method comprises the steps of,

the bosses are four in number and are respectively located at four corners of the carrying platform, and the corresponding elastic columns are four in number and are arranged in one-to-one correspondence with the bosses.

Still further, the method comprises the steps of,

the supporting component comprises a needle mould lower layer, the needle mould lower layer is fixedly connected with the needle mould upper layer, the needle mould lower layer is provided with a containing groove, and the bottom of the organ needle is fixed in the containing groove.

Still further, the method comprises the steps of,

the supporting component further comprises a needle mould supporting plate and a plurality of steel columns, the needle mould supporting plate is fixedly connected to the bottom of the upper layer of the needle mould, and the needle mould supporting plate is connected with the lower layer of the needle mould through the steel columns.

Still further, the method comprises the steps of,

the needle mould layer board includes bulge and connecting portion, the bulge is followed connecting portion upwards the bulge sets up, needle mould layer board fixed connection in the bulge, connecting portion with a plurality of steel column is connected.

Still further, the method comprises the steps of,

the organ needle module further comprises a PCB (printed circuit board) fixedly connected to the lower layer of the needle module, and the organ needle can penetrate through the lower layer of the needle module and is electrically connected with the PCB.

In a second aspect, the present utility model provides an FPC testing device, including the organ pin module set in the first aspect.

The utility model has at least the following beneficial effects:

because the utility model provides an organ needle module, comprising: the needle mould upper layer is provided with a range extending groove, the elastic column penetrates through the range extending groove and is connected with the carrier, and the needle mould upper layer is arranged above the supporting component; the support assembly is provided with an organ needle, and the organ needle penetrates through the needle die hole and extends to the position right below the perforation; the carrier is connected with the elastic column through a protruding structure, a limiting structure is arranged on the part of the elastic column in the range extending groove, and the protruding structure can move downwards to the limiting structure along the elastic column, so that the organ needle penetrates through the perforation and contacts with a part to be tested.

When FPC tests, the part to be tested is placed in the positioning groove of the carrier, the carrier is compressed to a preset position through pressing, and the organ needle penetrates through the needle die hole and the perforation and is in contact with the part to be tested, so that the test purpose is achieved. The range extending groove provides additional movement space for the carrier, and the limiting structure limits the maximum range of downward movement of the carrier. When the placing position of the part to be tested deviates from the positioning groove of the carrier, the protruding structure at the bottom of the carrier can enter the range-extending groove and move downwards to the limiting structure along the elastic column in the range-extending groove, namely, the movement stroke of the carrier is increased, so that the part is prevented from being crushed during pressing, and the normal running of FPC test is ensured.

In order to make the above objects, features and advantages of the present utility model more comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the related art, the drawings that are required to be used in the description of the embodiments or the related art will be briefly described, and it is apparent that the drawings in the description below are some embodiments of the present utility model, and other drawings may be obtained according to the drawings without inventive effort for those skilled in the art.

FIG. 1 is an exploded view of an organ needle module according to an embodiment of the present utility model;

fig. 2 is an assembly diagram of an organ needle module according to an embodiment of the utility model;

fig. 3 is a schematic structural diagram of a carrier according to an embodiment of the present utility model;

fig. 4 is a schematic structural view of a spring post according to an embodiment of the present utility model;

FIG. 5 is a schematic view of the upper layer of the pin die according to the embodiment of the present utility model;

fig. 6 is a schematic structural view of a pin die carrier according to an embodiment of the present utility model.

Icon:

100-stage; 110-positioning grooves; 120-boss; 200-spring column; 210-a limit section; 300-needle mould upper layer; 310-range extending groove; 311-step structure; 400-organ needle; 500-pin die lower layer; 510-a receiving groove; 600-needle mold pallet; 610-a protrusion; 620-a connection; 700-steel columns; 800-PCB board.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Physical quantities in the formulas, unless otherwise noted, are understood to be basic quantities of basic units of the international system of units, or derived quantities derived from the basic quantities by mathematical operations such as multiplication, division, differentiation, or integration.

Furthermore, the terms "horizontal," "vertical," "overhang," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Some embodiments of the present utility model are described in detail below with reference to the accompanying drawings. The embodiments described below and features of the embodiments may be combined with each other without conflict. Fig. 1 is an exploded view of an organ needle module according to an embodiment of the present utility model; fig. 2 is an assembly diagram of an organ needle module according to an embodiment of the utility model; fig. 3 is a schematic structural diagram of a carrier according to an embodiment of the present utility model; fig. 4 is a schematic structural view of a spring post according to an embodiment of the present utility model; FIG. 5 is a schematic view of the upper layer of the pin die according to the embodiment of the present utility model; fig. 6 is a schematic structural view of a pin die carrier according to an embodiment of the present utility model.

Example 1

All modules of the existing organ needle module are flat plates, a mode of superposition fixation is adopted, the overall thickness of the module is a preset fixed thickness, no extra compression stroke is caused on the pressing back carrying platform, and when parts are not placed in place in the positioning groove or the deviation of parts is very large, the parts are crushed and even scrapped, so that the normal running of FPC testing is affected.

In view of this, an embodiment of the present utility model provides an organ needle module, including: the needle mould upper layer 300 is provided with a stroke increasing groove 310, the spring column 200 passes through the stroke increasing groove 310 and is connected with the carrier 100, and the needle mould upper layer 300 is arranged above the support component; the carrier 100 is provided with a positioning groove 110 for placing a part to be tested, the positioning groove 110 is provided with a perforation, the upper layer 300 of the needle mould is correspondingly provided with a needle mould hole, the support component is provided with an organ needle 400, and the organ needle 400 passes through the needle mould hole and extends to the position right below the perforation; the carrier 100 is connected with the spring column 200 through a protruding structure, a limiting structure is arranged at the part of the spring column 200 in the range extending groove 310, and the protruding structure can move down to the limiting structure along the spring column 200, so that the organ needle 400 passes through the perforation and contacts with the part to be tested.

Referring to fig. 1 and 2, in the FPC test, a part to be tested is placed in the positioning groove 110 of the carrier 100, the carrier 100 is compressed to a predetermined position by pressing, and the organ needle 400 passes through the needle die hole and the perforation and contacts with the part to be tested, so as to achieve the test purpose. The range extending groove 310 provides additional movement space for the carrier 100, and the limit structure limits the maximum range of downward movement of the carrier 100. When the placement position of the part to be tested deviates from the positioning groove 110 of the carrier 100, the protruding structure at the bottom of the carrier 100 can enter the range extending groove 310 and move downwards to the limiting structure along the spring column 200 in the range extending groove 310, namely, the movement stroke of the carrier 100 is increased, so that the part is prevented from being crushed during pressing, and the normal running of the FPC test is ensured.

In this embodiment, the part to be tested is placed in the positioning groove 110, and the organ pin 400 is required to be inaccessible, so that the stage 100 is designed to be floating. In order to increase the practicability of the organ needle module and reduce the overall size, the spring column 200 is selected as a connecting medium. When the test is performed, the carrier 100 is compressed to a predetermined position, so that the organ pin 400 contacts with the part to be tested for testing purposes. After the test is completed, the stage 100 may be raised and reset.

In an alternative manner of this embodiment, the protruding structure includes a boss 120 disposed at the bottom of the carrier 100, where the boss 120 protrudes downward, and the carrier 100 is provided with a through hole penetrating the boss 120, and the spring column 200 extends into the through hole and is slidably matched with the boss 120.

Referring to fig. 3, the boss 120 is disposed at the bottom of the carrier 100, and is a hollow flat column structure, and the upper surface of the carrier 100 is a T-shaped plate structure. The middle part of the boss 120 is provided with a through hole, the elastic column 200 stretches into the through hole to be connected with the boss 120 in a sliding mode, and the boss 120 can enter the range-extending groove 310 and move downwards to the limit structure along the elastic column 200 in the range-extending groove 310.

In an alternative manner of this embodiment, the limiting structure includes a limiting section 210, where the limiting section 210 is formed by extending the elastic column 200 outward along a circumferential direction, and a diameter of the limiting section 210 is greater than a diameter of the boss 120, so as to limit a maximum distance of downward movement of the boss 120.

Referring to fig. 4, the spring column 200 is a long column structure. The limiting section 210 is disposed at a position of the post 200 near the top, and the diameter of the limiting section 210 is larger than the diameter of the post 200 above the limiting section and is also larger than the diameter of the boss 120. The boss 120 can only move down to the top of the limiting section 210, and can not move down further due to the limitation of the limiting section 210, and the distance from the top of the limiting section 210 to the top of the pillar 200 is the travel distance of the carrier 100.

In an alternative manner of this embodiment, the range extending groove 310 is provided with a step structure 311 inside, and the limiting section 210 is in interference fit with the step structure 311.

Referring to fig. 5, in order to fix the spring post 200 and the upper layer 300 of the needle mold, a step structure 311 is disposed inside the range extending slot 310 of the upper layer 300 of the needle mold, and the limit section 210 is clamped at the step structure 311, so that interference fit between the spring post 200 and the upper layer 300 of the needle mold is achieved, and the spring post 200 is not separated from the upper layer 300 of the needle mold, thereby achieving stable operation of the organ needle module.

In this embodiment, the bosses 120 are four in number and are located at four corners of the carrier 100, and the corresponding columns 200 are four in number and are disposed in one-to-one correspondence with the bosses 120.

The carrier 100 is slidably connected with the four spring posts 200 through the bosses 120 at the four corners, so that the stability of the lifting movement of the carrier 100 is enhanced, and the working stability of the organ needle module is ensured.

In an alternative manner of this embodiment, the support assembly includes a lower needle mold layer 500, the lower needle mold layer 500 is fixedly connected with the upper needle mold layer 300, the lower needle mold layer 500 is provided with a receiving groove 510, and the bottom of the organ needle 400 is fixed in the receiving groove 510.

Referring to fig. 2, the lower needle mold layer 500 has a block structure with a certain thickness, a receiving groove 510 is provided in the middle of the lower needle mold layer 500, and the organ needle 400 is fixed in the receiving groove 510. When the carrier 100 moves downward, the lower needle mold layer 500 and the upper needle mold layer 300 are fixed, so that the top of the organ needle 400 can be closer to the perforation in the positioning groove 110 on the carrier 100.

Further, the support assembly further includes a pin die plate 600 and a plurality of steel columns 700, the pin die plate 600 is fixedly coupled to the bottom of the pin die upper layer 300, and the pin die plate 600 is coupled to the pin die lower layer 500 through the plurality of steel columns 700.

With continued reference to fig. 2, the pin die carrier 600 is fixedly mounted to the bottom of the pin die upper layer 300, and supports the pin die upper layer 300. Four steel columns 700 are respectively connected to four corners of the pin die plate 600 to support the pin die plate 600 to a certain height. Referring to fig. 6, the pin die carrier 600 includes a protrusion 610 and a connection 620, and the protrusion 610 and the connection 620 are integrally formed. The protruding portion 610 protrudes upward from the connection portion 620, and the pin die carrier 600 is fixedly connected to the protruding portion 610, and the connection portion 620 is connected to the plurality of steel columns 700.

In an alternative manner of this embodiment, the organ needle module further includes a PCB board 800, the PCB board 800 is fixedly connected to the needle mold lower layer 500, and the organ needle 400 can pass through the needle mold lower layer 500 and be electrically connected to the PCB board 800.

Referring to fig. 1, a PCB 800 is mounted at the bottom of a lower layer 500 of a pin die, and when FPC testing is performed, an organ pin 400 passes through the lower layer 500 of the pin die and then is electrically connected to the PCB 800, and a testing circuit is conducted to output signals.

The organ needle module provided by the embodiment has the advantages of being capable of effectively avoiding part crush injury during testing, wide in application range, low in machining precision requirement of each part, improving machining efficiency, reducing machining and debugging cost, being simple and easy to install and convenient to debug.

Example two

The embodiment of the utility model provides an FPC testing device, which comprises an organ needle module of the first embodiment. Because the FPC testing device comprises all structures of the organ needle module, the FPC testing device has all the beneficial effects of the first embodiment and is not repeated herein.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims (10)

1. An organ needle module, comprising: the needle mould upper layer is provided with a range extending groove, the elastic column penetrates through the range extending groove and is connected with the carrier, and the needle mould upper layer is arranged above the supporting component;

the support assembly is provided with an organ needle, and the organ needle penetrates through the needle die hole and extends to the position right below the perforation;

the carrier is connected with the elastic column through a protruding structure, a limiting structure is arranged on the part of the elastic column in the range extending groove, and the protruding structure can move downwards to the limiting structure along the elastic column, so that the organ needle penetrates through the perforation and contacts with a part to be tested.

2. The organ needle module according to claim 1, wherein,

the protruding structure is including set up in boss bottom the microscope carrier, boss downward bulge sets up, the microscope carrier is equipped with and runs through the through-hole of boss, the bullet post stretch into the through-hole and with boss sliding fit.

3. The organ needle module according to claim 2, wherein,

the limiting structure comprises a limiting section, the limiting section is formed by extending the elastic column outwards along the circumferential direction, and the diameter of the limiting section is larger than that of the boss so as to limit the maximum distance of downward movement of the boss.

4. An organ needle module according to claim 3, characterised in that,

the range extending groove is internally provided with a step structure, and the limiting section is in interference fit with the step structure.

5. The organ needle module according to claim 2, wherein,

the bosses are four in number and are respectively located at four corners of the carrying platform, and the corresponding elastic columns are four in number and are arranged in one-to-one correspondence with the bosses.

6. The organ needle module according to any one of claims 1-5, wherein,

the supporting component comprises a needle mould lower layer, the needle mould lower layer is fixedly connected with the needle mould upper layer, the needle mould lower layer is provided with a containing groove, and the bottom of the organ needle is fixed in the containing groove.

7. The organ needle module according to claim 6, wherein,

the supporting component further comprises a needle mould supporting plate and a plurality of steel columns, the needle mould supporting plate is fixedly connected to the bottom of the upper layer of the needle mould, and the needle mould supporting plate is connected with the lower layer of the needle mould through the steel columns.

8. The organ needle module according to claim 7, wherein,

the needle mould layer board includes bulge and connecting portion, the bulge is followed connecting portion upwards the bulge sets up, needle mould layer board fixed connection in the bulge, connecting portion with a plurality of steel column is connected.

9. The organ needle module according to claim 6, wherein,

the organ needle module further comprises a PCB (printed circuit board) fixedly connected to the lower layer of the needle module, and the organ needle can penetrate through the lower layer of the needle module and is electrically connected with the PCB.

10. An FPC testing device comprising the organ pin module of any one of claims 1 to 9.