CN221303362U

CN221303362U - Function testing device

Info

Publication number: CN221303362U
Application number: CN202322858971.7U
Authority: CN
Inventors: 孙慧; 袁文续
Original assignee: Suzhou HYC Technology Co Ltd
Current assignee: Suzhou HYC Technology Co Ltd
Priority date: 2023-10-24
Filing date: 2023-10-24
Publication date: 2024-07-09
Anticipated expiration: 2033-10-24

Abstract

The utility model provides a functional testing device, which comprises a needle plate assembly, a needle plate assembly and a functional testing device, wherein the needle plate assembly comprises a conductive piece used for being in contact conduction with a product; the carrier plate is used for carrying and fixing products, is in floating connection with the needle plate assembly and can move along the horizontal direction at the same time; and the pressing plate can move along the vertical direction, and when the carrier plate carries the product to move to the position below the pressing plate horizontally, the pressing plate can lower the pressing plate to enable the product to be in pressure connection with the conductive piece below the carrier plate. The function test device solves the problems that a conventional function test platform is easy to damage a probe and the maintenance cost is high.

Description

Function testing device

Technical Field

The utility model relates to the technical field of product testing. And more particularly to a functional test device.

Background

The lamp panel assembly display mode, the needle plate assembly floating mechanism and the code scanning gun assembly code scanning mode of the traditional function test substrate test are various, the test products are various, and the lamp panel display interface is more conventional, has no aesthetic property and has relatively high cost for a Watch conventional function test platform; the needle plate and the carrier plate are separate independent mechanisms, so that the probe is easy to damage, and the maintenance cost is high; the code scanning of the product is usually carried out by adopting a handheld code scanning gun, so that the production test efficiency is low; there is no advantage in efficiency and price for realizing semi-automation and mass production.

Disclosure of utility model

Aiming at the problems, the utility model provides the function testing device which solves the problems that a conventional function testing platform is easy to cause damage to a probe and has higher maintenance cost.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

The utility model provides a function test device, comprising:

a needle plate assembly including a conductive member for contacting and conducting with a product;

The carrier plate is used for carrying and fixing products, is in floating connection with the needle plate assembly and can move along the horizontal direction at the same time; and

And when the carrier plate carries the product and moves horizontally to the position below the pressing plate, the pressing plate can lower the pressing plate to press and connect the product with the conductive piece below the carrier plate.

Preferably, the carrier plate is provided with a cavity for accommodating the fixed product and a through hole communicated with the cavity; the end of the conductive member is exposed from the through hole.

Preferably, the carrier plate is in floating connection with the needle plate assembly through the elastic assembly; the carrier plate is configured to float downward in a vertical direction relative to the needle plate assembly under the pressure of the platen so that the product on the carrier plate is in contact with the conductive member.

Preferably, the needle plate assembly further comprises a needle plate and a switching circuit board fixed on one side of the needle plate, which is away from the product; the conductive piece is fixed on the needle plate; one end of the conductive piece is used for contacting with a test point of a product, and the other end of the conductive piece is matched with the switching circuit board in a contact way.

Preferably, the function test device further comprises a housing having a receiving cavity; an opening is formed in the shell; the carrier plate and needle plate assembly are configured to be movable out of the housing or into the housing through the opening.

Preferably, the function test device further comprises a code scanning mechanism positioned in the shell; the code scanning mechanism comprises a mounting frame fixed on the bottom wall of the shell and a code scanning gun arranged on the mounting frame; and an avoiding part for avoiding the code scanning mechanism is formed on the pressing plate.

Preferably, the function test device further comprises a moving plate capable of moving along the horizontal direction, and the needle plate assembly is configured on the moving plate; a sliding rail is arranged in the shell; the movable plate is slidably arranged on the sliding rail through the sliding block.

Preferably, the function testing device further comprises a driving piece which is arranged in the shell and used for driving the moving plate to move; the driving member is configured to drive the moving plate into and out of the housing through the opening.

Preferably, the function test device further comprises a lamp panel assembly combined and fixed with the movable panel; the lamp panel assembly may block the opening when the moving panel enters the housing; the lamp panel assembly comprises a lamp panel, a lining plate and an acrylic panel which are sequentially arranged; the lamp panel is fixed on the movable panel through the fixing frame.

Preferably, the function testing device further comprises a driving component for driving the pressing plate to lift;

The driving assembly comprises a guide column arranged along the vertical direction, an adapter plate connected and matched with the pressing plate and a lifting cylinder connected with the adapter plate; the adapter plate is slidably arranged on the guide post; the cylinder rod of the lifting cylinder is fixed with the adapter plate and can drive the adapter plate to move along the vertical direction.

The beneficial effects of the utility model are as follows:

according to the utility model, through the matching of the needle plate assembly, the carrier plate and the pressing plate, when the carrier plate carries the product and moves horizontally to the lower position of the pressing plate, the pressing plate can press down the product positioned on the carrier plate to press and conduct the product with the conductive piece below the carrier plate, so that the product test is ensured to be carried out smoothly, the maintenance cost is further reduced, and the test efficiency is improved; and the carrier plate is connected with the needle plate component in a floating way and can move along the horizontal direction simultaneously, compared with the conventional carrier plate independent movement mode, the phenomenon that the probe is damaged when the carrier plate is independently pulled out due to the fact that the carrier plate is not in place in a floating way can be avoided, and the problem that the carrier plate and the needle plate component are inaccurate in alignment due to the fact that the carrier plate needs to repeatedly move in and out is solved.

Drawings

The following describes the embodiments of the present utility model in further detail with reference to the drawings.

Fig. 1 is a schematic view of the overall structure of the present utility model.

Fig. 2 is a schematic diagram of the internal structure of the functional test device of the present utility model.

FIG. 3 is an assembly view of a moving plate and lamp plate assembly of the present utility model.

Fig. 4 is a schematic diagram of the cooperation of the moving plate, the needle plate assembly, the carrier plate and the code scanning mechanism according to the present utility model.

Fig. 5 is a schematic structural view of the code scanning mechanism of the present utility model.

Fig. 6 is a schematic diagram of the assembly of the needle plate assembly and carrier plate of the present utility model.

Detailed Description

Various exemplary embodiments of the present utility model will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present utility model unless it is specifically stated otherwise.

The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the utility model, its application, or uses.

Techniques and equipment known to those of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate.

In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of exemplary embodiments may have different values.

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 discussion thereof is necessary in subsequent figures.

In order to solve the problem that the conventional functional test platform is easy to damage the probe and has high maintenance cost. The present utility model provides a function test device, as shown in fig. 1 to 6, specifically the function test device includes: a needle plate assembly including a conductive member 11 for contact conduction with the product 70; the carrier plate 20 is used for carrying the fixed product 70, and the carrier plate 20 is in floating connection with the needle plate assembly and can move along the horizontal direction at the same time; and the pressing plate 30 can move along the vertical direction, when the carrier plate 20 carries the product 70 to move horizontally to a position below the pressing plate 30, the pressing plate 30 can lower the pressing plate 20 to enable the product 70 to be in contact conduction with the conductive piece 11 below the carrier plate 20. That is, when the carrier 20 carries the product 70 into the housing 40 and reaches the testing station, the pressing plate 30 can lower the carrier 20 and the product 70 on the carrier 20, and the carrier 20 floats downward to be close to the needle plate assembly, so that the testing point on the product 70 is in press-connection with the conductive member 11 under the carrier 20 to complete the testing of the product.

In one embodiment, the carrier 20 has a cavity 21 for accommodating the fixed product 70 and a through hole communicating with the cavity 21; the head end of the conductive element 11 is exposed by the through hole; the conductive member 11 is a probe, and the head end of the probe can pass through the through hole and then be contacted and conducted with the test point of the product 70, it can be understood that when the carrier plate 20 is pressed down by the pressing plate 30, the head end of the probe protrudes upwards from the through hole to be contacted with the test point of the product 70; under the state that the carrier plate is not stressed, the head end part of the probe is positioned in the through hole and does not protrude out of the through hole, so that the probe and the test point are accurately aligned, the damage of the probe can be avoided, and the protection effect on the probe is achieved.

Further, the needle plate assembly and the carrier 20 form a semi-floating structure; the carrier plate 20 is in floating connection with the needle plate assembly through an elastic assembly; the elastic component comprises a spring and a floating screw; the floating screw guides the carrier plate 20 to ensure that the carrier plate 20 floats up and down along the vertical direction, and the spring provides acting force for floating the carrier plate 20 up and down; the carrier plate 20 is configured to float up and down relative to the needle plate assembly in a vertical direction under the action of the pressing force of the pressing plate 30 so that the test points of the product 70 on the carrier plate 20 are in contact conduction with the conductive members 11; when the pressure plate 30 is pressed down on the ballast plate 20, the springs are compressed, and the product 70 is in pressure connection with the probe; when the platen 30 is reset upward, the springs return and the product 70 is separated from the probe; the needle plate assembly further comprises guide pins 16 correspondingly matched with the carrier plate 20, and the needle plate assembly is aligned with the carrier plate 20 through the guide pins 16 so as to realize alignment of the probes and test points of the product 70; it will be appreciated that the pressing distance of the pressing plate 30 is determined according to practical situations, and it is required to ensure that the product 70 is stably pressed against the probe, so that the test signal can be continuously and stably transmitted.

In one embodiment, the needle plate assembly further comprises a needle plate and a transfer circuit board 13 fixed on one side of the needle plate facing away from the product; the conductive member 11 is fixed to the needle plate; one end of the conductive member 11 is used for conducting contact with a test point of the product 70, and the other end is in contact fit with the transfer circuit board 13. Further, the housing 40 includes a test circuit board 44, the conductive member 11 is a probe, the needle board specifically includes a first board 121, a second board 122 assembled on the first board 121, and a plurality of probe blocks 123 assembled on the second board 122, and the probes are fixed on the probe blocks 123; the probes can be quickly replaced by removing the probe block 123 or the second plate 122, the head ends of the probes can be contacted with test points on the product 70, the tail ends of the probes are electrically communicated with the switching circuit board 13, and finally signals are switched to the test circuit board 44. In the embodiment, since the needle plate component and the carrier plate of the conventional test platform are mutually independent mechanisms, the needle plate component is fixed, the carrier plate is tongue-spitting, and the carrier plate is put into a product after being in place; the driving cylinder drives the carrier plate to enter a testing station, the guide sleeve and the guide pillar are utilized to align with the needle plate component and the pressing plate, the phenomenon that the carrier plate floats up in place easily in the moving process of the mechanism, and the carrier plate is pulled out by the inlet and outlet cylinder, so that the probe is damaged; repeated in and out, the problem of inaccurate alignment of the carrier plate and the needle plate assembly is easy to occur; after the improvement of the utility model, the probes are semi-contained in the through holes on the carrier plate 20 through the floating screws and the springs between the carrier plate 20 and the needle plate assembly, the carrier plate 20 sinks in the pressing process, the probes leak out, the contact products 70 are tested, the carrier plate 20 floats in the rising process, the probes are semi-contained in the through holes of the carrier plate 20, the damage of the probes is avoided, the protection effect on the probes is achieved, the cost is saved, and the dust accumulation is reduced to a certain extent.

In one embodiment, the functional test device further includes a housing 40 having a receiving cavity; the platen 30 is disposed in the housing 40; the housing 40 has an opening formed therein; the carrier plate 20 and the needle plate assembly are configured to move out of the housing 40 or enter the housing 40 through the opening, and the invention integrates the pressing plate 30, the needle plate assembly and the carrier plate 20 into the same housing 40, so that the whole test device occupies less space, has small structural size, can achieve the minimum space occupation ratio for the arrangement of production lines and mass production, and has lower cost.

Further, the functional testing device further includes a moving plate 41 capable of moving along a horizontal direction, and the needle plate assembly and the carrier 20 are both disposed on the moving plate 41; a slide rail 42 is provided in the housing 40; the moving plate 41 is slidably disposed on the sliding rail 42 through a sliding block, and the driving mechanism can drive the moving plate 41 to drive the needle plate assembly and the carrier 20 to move into and out of the housing 40, so as to complete the replacement of the test product.

Further, regarding the driving mechanism, the functional testing apparatus further includes a driving cylinder 43 disposed in the housing 40 for driving the moving plate 41 to move; the driving cylinder 43 is configured to drive the moving plate 41 to enter and exit the housing 40 through the opening, when the product 70 is conducted in the housing 40 and the test is completed, the driving cylinder 43 can automatically send the tested product 70 out of the housing 40 and drive the product 70 which is placed on the carrier plate 20 and is not tested to enter the housing 40 for test, thereby further improving the working efficiency, and the driving mechanism can be a linear module, a ball screw or the like, so long as the movement of the moving plate 41 can be actively driven; in order to ensure that the carrier plate 20 and the pressing plate 30 are accurately aligned, so that the carrier plate 20 is positioned right below the pressing plate 30, an in-place sensor 45 for sensing the position of the moving plate 41 is also arranged in the shell 40; in addition, electromagnets 46 are arranged in the housing 40 and on the moving plate 41, when the in-place sensor 45 senses that the moving plate 41 moves in place, the two electromagnets 46 are electrified to enable the two electromagnets 46 to be mutually adsorbed and fixed, so that the relative position of the carrier plate 20 and the pressing plate 30 is ensured to be fixed, and the carrier plate 20 is uniformly pressed downwards when the pressing plate 30 is pressed downwards.

In one embodiment, the functional test device further comprises a lamp panel assembly 50 combined and fixed with the movable panel 41; when the moving plate 41 enters the housing 40, the lamp plate assembly 50 can block the opening, and the lamp plate assembly 50 forms a side wall of the housing 40; the lamp panel assembly 50 comprises a lamp panel 51, a lining plate 52 and an acrylic panel 53 which are sequentially arranged; the lamp panel 51 is fixed to the moving plate 41 by a fixing frame 54. Further, the acrylic panel 53 is an antistatic transparent PC board, and the above parts are fixed to the moving plate 41 by screws; the antistatic transparent PC board replaces the traditional metal panel, the cost is reduced, the antistatic effect is achieved, the back of the antistatic transparent PC board is screen printed with black (the luminous area of the indicator light and the characters are hollowed out), the lamp panel 51 is powered by the power supply 47 in the shell 40, when the lamp panel 51 is lightened in the test process of the product 70, the corresponding hollowed-out position of the antistatic transparent PC board is lightened when the lamp panel 51 is lightened from the operation end, the abnormal condition of the test channel is judged, and meanwhile the aesthetic property of the display interface of the lamp panel assembly 50 is improved; a handle 55 is also provided on the needle plate assembly 50 for assisting in pushing and pulling the moving plate 41 into and out of the housing 40.

In one embodiment, the functional testing apparatus further includes two sets of driving components for driving the platen 30 to lift and lower; the two groups of driving components are respectively positioned at two opposite sides of the pressing plate 30 to ensure that the pressing plate is stably lifted; the driving assembly comprises a guide column 31 arranged along the vertical direction, an adapter plate 32 connected and matched with the pressing plate 30 and a lifting cylinder 33 connected with the adapter plate 32; the adapter plate 32 is slidably disposed on the guide post 31; the cylinder rod of the lifting cylinder 33 is fixed with the adapter plate 32 and can drive the adapter plate 32 to move along the vertical direction, in this embodiment, the two lifting cylinders 33 fixed on the bottom wall of the shell 40 simultaneously drive the pressing plate 30 to move the lower ballast plate 20, in addition, under the condition that the vertical space in the shell is enough, a downward lifting cylinder can be arranged on the top wall of the shell to realize the lower ballast plate of the pressing plate or lift the lower ballast plate to separate from the carrier plate through the expansion and contraction of the cylinder rod, and the mode only needs to be provided with one lifting cylinder, so that the production cost and the structural complexity can be further reduced.

To further improve the testing efficiency, the utility model improves the traditional manual code scanning by operators into automatic code scanning, and the function testing device also comprises a code scanning mechanism 60 positioned in the shell 40; the code scanning mechanism 60 comprises a mounting frame fixed on the bottom wall of the shell 40 and a code scanning gun 62 arranged on the mounting frame; more specifically, the code scanning mechanism 60 is composed of a first code scanning gun fixing frame 611, a second code scanning gun fixing frame 612, a third code scanning gun fixing frame 613, a fourth code scanning gun fixing frame 614, a tie fixing frame 615, a code scanning gun 62, and a code scanning gun lamp panel 63, the tie fixing frame 615 for fixing the wire harness is arranged on the second code scanning gun fixing frame 612, and the above parts are fixedly connected by screws and pins; the first code scanning gun fixing frame 611 and the second code scanning gun fixing frame 612 are connected by adopting pin positioning, so that the initial positioning precision of the code scanning can be ensured, the second code scanning gun fixing frame 612, the third code scanning gun fixing frame 613 and the fourth code scanning gun fixing frame 614 are connected by adopting waist holes, the adjustable position of the code scanning gun 62 relative to the two-dimensional code on the product 70 can be realized, and the position of the code scanning gun relative to the two-dimensional code can be adjusted by driving the scanning gun to move by arranging a linear module; in the prior art, after a product is placed on a carrier plate and placed flatly, an operator holds a code scanning gun to scan codes, a needle plate assembly and the carrier plate are pulled back to a testing station through a driving cylinder, and a pressing plate is pressed down to a designated position under the action of a lifting cylinder to flatly press the product for testing. After the improvement of the utility model, the product is firstly placed on the carrier plate 20, the needle plate assembly and the carrier plate 20 are pulled back to the testing station through the driving cylinder 43, the pressing plate 30 is pressed down to a designated position under the action of the lifting cylinder 33, the product 70 is pressed and flattened, the lamp plate 63 of the code scanning gun is lightened, and the code scanning gun 62 automatically grabs and identifies the two-dimensional code on the product 70; according to the utility model, manual operation is changed into automatic operation, so that the problems of product damage, uneven product placement and the like caused by hand-held code scanning are solved, the production efficiency is improved, and the cost is saved; the avoiding portion 34 for avoiding the code scanning mechanism 60 is formed on the pressing plate 30, so that the two-dimensional code on the product 70 is exposed for scanning by the code scanning gun 62, and the product 70 can be pressed and flattened for code scanning operation.

The specific action flow of the utility model is as follows: ① Placing the product 70 to be tested into the cavity 21 of the carrier plate 20 for fixation; ② Starting a function test device; ③ The driving cylinder 43 drives the carrier plate 20 and the needle plate assembly into the housing 40; ④ The lifting cylinder 33 drives the pressing plate 30 to press down; ⑤ The pressing plate 30 drives the carrier plate 20 to press downwards, and the probe is contacted with the product 70; ⑥ Product 70 testing begins.

In summary, according to the utility model, through the cooperation of the needle plate assembly, the carrier plate and the pressing plate, when the carrier plate carries the product and moves horizontally to the position below the pressing plate, the pressing plate can press down the product on the carrier plate to press and conduct the product with the conductive piece below the carrier plate, so that the product test is ensured to be carried out smoothly, the test cost is further reduced, and the test efficiency is improved; the carrier plate is in floating connection with the needle plate assembly and can move along the horizontal direction at the same time, and compared with the conventional carrier plate independent movement mode, the phenomenon that probes are damaged when the carrier plate is pulled out independently due to the fact that the carrier plate is not in place in a floating mode can be avoided; solves the problem of inaccurate alignment of the carrier plate and the needle plate assembly because the carrier plate needs to repeatedly move in and out.

It should be understood that the foregoing examples of the present utility model are provided merely for clearly illustrating the present utility model and are not intended to limit the embodiments of the present utility model, and that various other changes and modifications may be made therein by one skilled in the art without departing from the spirit and scope of the present utility model as defined by the appended claims.

Claims

1. A functional test device, comprising:

2. The function test device according to claim 1, wherein the carrier plate is formed with a cavity for accommodating a fixed product and a through hole communicating with the cavity; the end of the conductive member is exposed from the through hole.

3. The functional test device of claim 2, wherein the carrier plate is floatingly connected to the needle board assembly via an elastic assembly; the carrier plate is configured to float downward in a vertical direction relative to the needle plate assembly under the pressure of the platen so that the product on the carrier plate is in contact with the conductive member.

4. The functional testing apparatus of claim 1, wherein the needle plate assembly further comprises a needle plate and a transfer circuit board secured to a side of the needle plate facing away from the product; the conductive piece is fixed on the needle plate; one end of the conductive piece is used for contacting with a test point of a product, and the other end of the conductive piece is matched with the switching circuit board in a contact way.

5. The functional test device of claim 1, further comprising a housing having a receiving cavity; an opening is formed in the shell; the carrier plate and needle plate assembly are configured to be movable out of the housing or into the housing through the opening.

6. The functional testing apparatus of claim 5, further comprising a code scanning mechanism within the housing; the code scanning mechanism comprises a mounting frame fixed on the bottom wall of the shell and a code scanning gun arranged on the mounting frame; and an avoiding part for avoiding the code scanning mechanism is formed on the pressing plate.

7. The function test device according to claim 5, further comprising a moving plate movable in a horizontal direction, the needle plate assembly being disposed on the moving plate; a sliding rail is arranged in the shell; the movable plate is slidably arranged on the sliding rail through the sliding block.

8. The functional testing apparatus of claim 7, further comprising a driving member disposed within the housing for driving the movement of the moving plate; the driving member is configured to drive the moving plate into and out of the housing through the opening.

9. The functional test apparatus of claim 8, further comprising a light panel assembly coupled and secured to the mobile panel; the lamp panel assembly may block the opening when the moving panel enters the housing; the lamp panel assembly comprises a lamp panel, a lining plate and an acrylic panel which are sequentially arranged; the lamp panel is fixed on the movable panel through the fixing frame.

10. The functional test apparatus of claim 1, further comprising a driving assembly for driving the platen to rise and fall;