CN218956632U

CN218956632U - Testing mechanism device capable of adjusting vertical force and automatically resetting

Info

Publication number: CN218956632U
Application number: CN202222812560.XU
Authority: CN
Inventors: 劳振宏; 杨先昭; 卢楠; 李超
Original assignee: Intelligent Automation Equipment Zhuhai Co Ltd
Current assignee: Intelligent Automation Equipment Zhuhai Co Ltd
Priority date: 2022-10-25
Filing date: 2022-10-25
Publication date: 2023-05-02
Anticipated expiration: 2032-10-25

Abstract

The utility model aims to provide an adjustable vertical force automatic resetting test mechanism device which has a simple integral structure and can ensure vertical uniform stress. The utility model comprises a mounting plate, a transmission plate and a pressing plate, wherein a plurality of equal-height screws are symmetrically arranged on the mounting plate, compression springs are sleeved on the equal-height screws, the equal-height screws sequentially penetrate through the mounting plate, the transmission plate and the pressing plate from top to bottom, the transmission plate is in pressing fit with the pressing plate through the compression springs, an adjusting screw is arranged in the middle of the mounting plate, and the tail end of the adjusting screw penetrates through the mounting plate and is in pressing fit with the transmission plate. The utility model is applied to the technical field of electronic testing.

Description

Testing mechanism device capable of adjusting vertical force and automatically resetting

Technical Field

The utility model is applied to the technical field of electronic testing, and particularly relates to a testing mechanism device capable of adjusting vertical force and automatically resetting.

Background

At present, in the manufacturing process of tablet personal computers and mobile phone electronic products, a series of tests are required to be carried out on product components, and certain pressure is applied to the products through a test module in the test process, so that signal conduction between the products and the test module is realized, uneven stress is possibly caused when a pressing jig on the market is applied to the products, the upper and lower pressing alignment is inaccurate, dislocation is caused between the test module and the products, the test accuracy is affected, and even structural damage of the products is caused. When the pressing force is too small, the test module is not in full contact with the product or the pressing is insufficient, so that the test result is inaccurate; when the pressing force is too large, the product is easy to be pressed and damaged; the chinese patent publication No. CN113281637a discloses a positioning pressing test device, which extends out through a piston rod of a first cylinder to drive a movable pressing plate to move downwards, so as to clamp and fix a PCB board on the upper end surfaces of a fixed beam and a movable beam, thereby realizing pressing of the pressing plate, however, the impact force generated by the cylinder during driving is larger, the driving stroke of the cylinder is difficult to control, fine adjustment pressing cannot be realized, and meanwhile, the possibility of uneven stress exists.

Disclosure of Invention

The utility model aims to solve the technical problem of overcoming the defects of the prior art and providing the adjustable vertical force automatic resetting test mechanism device which has a simple integral structure and ensures vertical uniform stress.

The technical scheme adopted by the utility model is as follows: the utility model comprises a mounting plate, a transmission plate and a pressing plate, wherein a plurality of equal-height screws are symmetrically arranged on the mounting plate, compression springs are sleeved on the equal-height screws, the equal-height screws sequentially penetrate through the mounting plate, the transmission plate and the pressing plate from top to bottom, the transmission plate is in pressing fit with the pressing plate through the compression springs, an adjusting screw is arranged in the middle of the mounting plate, and the tail end of the adjusting screw penetrates through the mounting plate and is in pressing fit with the transmission plate.

According to the scheme, the adjusting screw is located at the center of the mounting plate, four equal-height screws are symmetrically distributed at four corners of the mounting plate, the testing mechanism device capable of automatically resetting the adjustable vertical force can achieve vertical uniform stress on the pressing plate, the vertical degree of vertical movement of the pressing plate is guaranteed, the vertical uniform force is received, when the compression spring is reset, the pressing plate can return to the initial position, the possibility of uneven stress is avoided, and further inaccurate vertical pressing alignment is caused.

The mounting plate is provided with a plurality of guide pins, positioning holes matched with the guide pins are correspondingly formed in the pressing plate, and the tail ends of the guide pins sequentially penetrate through the mounting plate and the transmission plate to be in limiting fit with the positioning holes.

The middle section cover of guide pin is equipped with the locating part, the locating part is the worker shape structure, the locating part includes first ring, guide pin bushing and second ring, first ring with the second ring is connected respectively the upper and lower both ends of guide pin bushing, the drive plate is in first ring with slide from top to bottom between the second ring.

In one preferred scheme, four corners on the mounting plate are provided with positioning pins, and the positioning pins are matched with an external positioning mechanism before the adjustable vertical force automatic reset testing mechanism device is pressed.

The bottom of the equal-height screw is in a frustum shape, a guide inclined plane is arranged on the mounting plate, and when the compression spring resets, the guide inclined plane is in limit fit with the frustum shape.

In one preferred embodiment, the adjustable vertical force automatic reset testing mechanism device further comprises a fastening screw, and the fastening screw is in threaded fit with the adjusting screw.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a cross-sectional view of the present utility model;

FIG. 3 is a schematic perspective view of the limiting member;

fig. 4 is a schematic perspective view of the present utility model in operation.

Detailed Description

As shown in fig. 1 to 4, in this embodiment, the present utility model includes a mounting plate 1, a transmission plate 2 and a pressing plate 3, where a plurality of equal-height screws 4 are symmetrically disposed on the mounting plate 1, a plurality of compression springs 5 are sleeved on the equal-height screws 4, and the plurality of equal-height screws 4 sequentially penetrate through the mounting plate 1, the transmission plate 2 and the pressing plate 3 from top to bottom, the transmission plate 2 is in press fit with the pressing plate 3 through the compression springs 5, an adjusting screw 6 is disposed in the middle of the mounting plate 1, and the end of the adjusting screw 6 penetrates through the mounting plate 1 and is in press fit with the transmission plate 2.

Initially, external test device is located the upper end of external installation tool, installs the product on the installation tool, adjustable perpendicular power automatic re-setting's testing mechanism device mainly is used for pressing external test device for external test device and external installation tool contact are switched on, mounting panel 1 is fixed, twists move adjusting screw 6's handle can adjust adjusting screw 6's end screw in the degree of depth of mounting panel 1, adjusting screw 6's end is right transfer board 2 presses, four equal-height screw 4 symmetry run through mounting panel 1 transfer board 2 and clamp plate 3, transfer board 2 passes through compression spring 5 with clamp plate 3 top press fit, transfer board 2 is in the in-process of decline is right compression spring 5 presses, through compression spring 5 compression amount's reaction force acts on clamp plate 3, consequently clamp plate 3 carries out synchronous depression, because adjusting screw 6 is located mounting panel 1's central point puts, four equal-height screw 4 symmetry distribute in the clamp plate 1, thereby the homogeneity that can not receive when guaranteeing that the perpendicular power of restoring to the compression spring 3 is pressed down to the equal-height screw 4 symmetry is guaranteed to the vertical force down on the clamp plate 3, and the initial stress can be avoided moving down evenly and the clamp plate 3 to the fact is pressed down.

In this embodiment, a plurality of guide pins 7 are symmetrically disposed on the mounting plate 1, positioning holes 8 matched with the guide pins 7 are correspondingly formed on the pressing plate 3, and the tail ends of the guide pins 7 sequentially penetrate through the mounting plate 1 and the transmission plate 2 to be in limit fit with the positioning holes 8. When the transmission plate 2 moves downwards, the tail ends of the guide pins 7 are inserted into the positioning holes 8 in pairs, so that the accurate positioning of the transmission plate 2 is realized.

In this embodiment, the middle section cover of guide pin 7 is equipped with locating part 9, locating part 9 is the worker shape structure, locating part 9 includes first ring 10, guide pin bushing 11 and second ring 12, first ring 10 with second ring 12 is connected respectively the upper and lower both ends of guide pin bushing 11, drive plate 2 is in first ring 10 with slide from top to bottom between the second ring 12. The first ring 10 and the second ring 12 cooperate to limit the lifting height of the driving plate 2, and before pressing, the driving plate 2 contacts with the first ring 10, and when pressing, the driving plate 2 contacts with the second ring 12, which represents the maximum pressing depth of the pressing plate 3.

In this embodiment, positioning pins 13 are disposed at four corners of the mounting plate 1, and before the test mechanism device capable of adjusting the vertical force to automatically reset is pressed, the positioning pins 13 are matched with an external positioning mechanism. The positioning pin 13 is inserted into an external positioning mechanism, so that the stability of the mounting plate 1 can be ensured, and shaking in the pressing process is avoided.

In this embodiment, the bottom of the contour screw 4 is in a frustum shape, and the mounting plate 1 is provided with a guiding inclined plane, and when the compression spring 5 resets, the guiding inclined plane is in spacing fit with the frustum shape. The equal-height screw 4 moves synchronously with the mounting plate 1, when the compression spring 5 resets, the frustum-shaped supporting guide inclined plane ensures the stress balance, so that the mounting plate 1 returns to the initial position.

In this embodiment, the test mechanism device capable of adjusting the vertical force to automatically reset further comprises a fastening screw 14, and the fastening screw 14 is in threaded fit with the adjusting screw 6. The fastening screw 14 limits and fixes the adjusting screw 6.

The working principle of the utility model is as follows: initially, external test device is located the upper end of external installation tool, installs the product on the external installation tool, adjustable perpendicular power automatic re-setting's testing mechanism device removes external test device's upper end, the locating pin is to inserting in external positioning mechanism, twist adjusting screw's handle regulation adjusting screw's terminal screw in the degree of depth of mounting panel, adjusting screw's terminal is right the drive plate is pressed, the drive plate is in the in-process of decline to compression spring presses, through compression spring compression's reaction force acts on the clamp plate, the clamp plate is pushed down in step in external test device for external test device and external installation tool contact are switched on.

Claims

1. The utility model provides an adjustable perpendicular power automatic re-setting's testing mechanism device, it includes mounting panel (1), drive plate (2) and clamp plate (3), its characterized in that: the utility model discloses a mounting panel, including mounting panel (1), mounting panel (1) and mounting panel, the symmetry is provided with a plurality of contour screw (4), a plurality of contour screw (4) all overlap and are equipped with compression spring (5), a plurality of contour screw (4) from last to run through in proper order in mounting panel (1) drive plate (2) and clamp plate (3), drive plate (2) pass through compression spring (5) with clamp plate (3) top press fit, the middle part of mounting panel (1) sets up adjusting screw (6), the end of adjusting screw (6) runs through mounting panel (1) with drive plate (2) press fit.

2. The adjustable vertical force automatic reset test mechanism device of claim 1, wherein: the mounting plate (1) is symmetrically provided with a plurality of guide pins (7), positioning holes (8) matched with the guide pins (7) are correspondingly formed in the pressing plate (3), and the tail ends of the guide pins (7) sequentially penetrate through the mounting plate (1) and the transmission plate (2) to be in limit fit with the positioning holes (8).

3. The adjustable vertical force automatic reset test mechanism device of claim 2, wherein: the middle section cover of guide pin (7) is equipped with locating part (9), locating part (9) are the worker's shape structure, locating part (9) are including first ring (10), guide pin bushing (11) and second ring (12), first ring (10) with second ring (12) are connected respectively the upper and lower both ends of guide pin bushing (11), drive plate (2) are in first ring (10) with slide from top to bottom between second ring (12).

4. The adjustable vertical force automatic reset test mechanism device of claim 1, wherein: four corners on the mounting plate (1) are provided with positioning pins (13), and before the adjustable vertical force automatic reset testing mechanism device is pressed, the positioning pins (13) are matched with an external positioning mechanism.

5. The adjustable vertical force automatic reset test mechanism device of claim 1, wherein: the bottom of the equal-height screw (4) is in a frustum shape, a guide inclined plane is arranged on the mounting plate (1), and when the compression spring (5) resets, the guide inclined plane is in limit fit with the frustum shape.

6. The adjustable vertical force automatic reset test mechanism device of claim 1, wherein: the adjustable vertical force automatic reset testing mechanism device further comprises a fastening screw (14), and the fastening screw (14) is in threaded fit with the adjusting screw (6).