CN210401573U

CN210401573U - Supporting structure and automatic support plate mechanism

Info

Publication number: CN210401573U
Application number: CN201920407511.3U
Authority: CN
Inventors: 莫宗杰; 郗旭斌
Original assignee: Intelligent Automation Equipment Zhuhai Co Ltd
Current assignee: Intelligent Automation Equipment Zhuhai Co Ltd; Intelligent Automation Zhuhai Co Ltd
Priority date: 2019-03-28
Filing date: 2019-03-28
Publication date: 2020-04-24
Anticipated expiration: 2029-03-28

Abstract

The utility model aims at providing a compatible good, prolong strong, the controllability of usefulness high, can effectively reduce the processing cost and convenient bearing structure and the automatic support plate mechanism of maintaining. The utility model discloses a casing, brace table, spring and push down the subassembly, be equipped with the through-hole on the casing and with the brace table activity chamber that the through-hole is linked together, brace table sliding fit is in brace table activity intracavity, spring one end with brace table connects, the other end of spring with the casing is connected, push down the subassembly and drive brace table is in brace table activity intracavity compression, the spring works as during the spring resets, the spring drives brace table stretches out outside the through-hole. The utility model discloses be applied to circuit board test equipment's technical field.

Description

Supporting structure and automatic support plate mechanism

Technical Field

The utility model relates to a bearing structure and automatic support plate mechanism.

Background

With the development of scientific technology and the improvement of the requirements of consumer groups on the performance and reliability of electronic products, the test of electronic boards and chips in various consumer electronic products becomes an important means for ensuring and improving the performance and reliability of the electronic boards and chips. In addition, the automatic probe testing equipment is different from the traditional manual multimeter with low efficiency for testing the assembly line work of the electronic board card and the chip, and has the advantages of high automation degree and testing efficiency, high reliability of testing results, low long-term operation cost and the like.

For automatic probe test equipment, a support plate supporting mechanism commonly used at home and abroad is of an integrated structure, namely all supporting bosses are processed on one support plate material. The defects of the existing carrier plate mechanism mainly comprise the following three points: 1. compatibility and extensibility are poor, after the tested electronic board card is updated, the layout of components on the board card is changed, and the original position of the supporting boss interferes with the components. Or different products in the same series have partial difference, different carrier plates also need to be designed; 2. the support mode of the support plate support mechanism belongs to hard support, the adjustability is poor, and if the pressing force above the tested electronic board card is too large, the hard support structure is easy to damage the tested board card; 3. the support plate module is complex in maintenance and replacement operation, the support plate needs to be integrally disassembled, and damage and repeated assembly errors are easily caused in the process.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that overcome prior art not enough, provide a compatible good, prolong the usefulness strong, the controllability is high, can effectively reduce the processing cost and convenient bearing structure and the automatic support plate mechanism of maintaining.

The utility model adopts the technical proposal that: the utility model discloses a casing, brace table, spring and push down the subassembly, be equipped with the through-hole on the casing and with the brace table activity chamber that the through-hole is linked together, brace table sliding fit is in brace table activity intracavity, spring one end with brace table connects, the other end of spring with the casing is connected, push down the subassembly and drive brace table is in brace table activity intracavity compression, the spring works as during the spring resets, the spring drives brace table stretches out outside the through-hole.

According to the scheme, the initial state of the supporting platform is an extending state, namely the supporting platform is exposed out of the through hole, when the surface of the circuit board, which is provided with components, is placed towards the supporting structure, the downward pressing assembly is triggered to drive the supporting platform to move downward and compress the spring, when the supporting platform presses downward for a certain length, a plurality of supporting structures support the components on the circuit board, the components on the circuit board are in contact with the top of the supporting platform, and other supporting structures in the initial state clamp the circuit board to be tested, so that the circuit board is supported, and the supporting structure is compatible with the supporting of the circuit boards with different sizes and is wide in applicability; the supporting force of the top of the supporting table on the components of the tested circuit board is adjusted by replacing the springs with different parameters in the supporting structure, the deformation damage to the tested circuit board due to the overlarge pressing above the tested electronic board card is prevented through an elastic supporting mode, the adjustability is high, and the damage to the tested circuit board can be effectively reduced; when the supporting structure is maintained and replaced, only the pressing component needs to be detached and replaced, and the maintenance efficiency is improved.

One preferred scheme is, the pushing assembly includes pushing cylinder and with the movable rod that pushing cylinder transmission is connected, be equipped with movable rod activity chamber on the casing, movable rod one end with the brace table is connected, the other end sliding fit of movable rod is in the movable rod activity chamber, the bottom in the movable rod activity chamber of saying is equipped with the air vent.

According to the scheme, the movable rod drives the supporting table to move and press the spring downwards by adopting the working principle of the air cylinder. Meanwhile, the spring is arranged, so that the supporting table can automatically reset when the movable rod loses air pressure of an air source.

Preferably, the pressing assembly includes a first electromagnetic ring, a second electromagnetic ring disposed in cooperation with the first electromagnetic ring, and an external power source electrically connected to the second electromagnetic ring, the first electromagnetic ring is fixedly connected to the supporting platform, the second electromagnetic ring is fixedly connected to the housing, the housing is provided with an electromagnetic ring movable cavity, the first electromagnetic ring is slidably fitted in the electromagnetic ring movable cavity, and the electromagnetic ring movable cavity is communicated with the vent hole.

According to the scheme, the principle that the electromagnet generates magnetic force after being electrified is adopted, so that the two electromagnets which are respectively fixed on the supporting platform and the shell generate magnetic attraction action, namely the first electromagnetic ring drives the supporting platform to move and presses the spring downwards. Meanwhile, the supporting table is automatically reset when the two electromagnets are powered off by arranging the spring.

According to a preferable scheme, the shell comprises an upper cover body and a base matched with the upper cover body, an internal thread is arranged on the upper cover body, and an external thread matched with the internal thread is arranged on the base.

According to the scheme, the upper cover body is selected above the base, so that the upper cover body and the base can be mounted, and the device is simple to disassemble and assemble and convenient to maintain.

The automatic support plate mechanism comprises a support plate and a plurality of mounting grooves formed in the support plate, the support plate is square, the mounting grooves are matched with the shell, and the supporting structures are mounted on the mounting grooves.

According to the scheme, the support plate is provided with the plurality of independently controllable support structures, so that the automatic support plate mechanism can independently drive the support structures corresponding to the support points of the components on the circuit board as required, and can adapt to different circuit boards to be tested.

Drawings

FIG. 1 is a schematic structural view of one such support structure;

FIG. 2 is a schematic illustration of an exploded view of a support structure according to one embodiment;

FIG. 3 is a cross-sectional view of an extended state of a support structure according to one embodiment;

FIG. 4 is a schematic illustration of an exploded view of a support structure according to the second embodiment;

fig. 5 is a sectional view showing a retracted state of a support structure according to the second embodiment.

Detailed Description

The first embodiment is as follows:

as shown in fig. 1, fig. 2 and fig. 3, in this embodiment, the utility model discloses a casing 1, brace table 2, spring 3 and push down the subassembly, be equipped with through-hole 4 on the casing 1 and with the brace table activity chamber that through-hole 4 is linked together, 2 sliding fit of brace table are in the brace table activity intracavity, spring 3 one end with brace table 2 connects, spring 3's the other end with casing 1 connects, the subassembly that pushes down drives brace table 2 is in the compression of brace table activity intracavity spring 3, works as when spring 3 resets, spring 3 drives brace table 2 stretches out outside through-hole 4.

In this embodiment, the push down subassembly including push down the cylinder and with the movable rod 5 that the push down cylinder transmission is connected, be equipped with movable rod activity chamber 6 on the casing 1, 5 one ends of movable rod with brace table 2 is connected, the other end sliding fit of movable rod 5 is in the movable rod activity chamber 6, the bottom in the movable rod activity chamber 6 of saying is equipped with the air vent, more specifically, the both ends of movable rod 5 all are provided with the piston, the piston of the upper end of movable rod 5 with 2 fixed connection of brace table, the middle pole portion of movable rod 5 with 1 sealed cooperation of casing, the piston of movable rod 5 lower extreme with 6 sliding fit in movable rod activity chamber, the upper portion in movable rod activity chamber 6 is provided with the inlet port, with the inlet port of push down the cylinder is linked together.

In this embodiment, the housing 1 includes an upper cover 10 and a base 11 disposed in cooperation with the upper cover 10, wherein an internal thread is disposed on the upper cover 10, and an external thread adapted to the internal thread is disposed on the base 11.

The working principle of the supporting structure is as follows:

when the air supply of the air inlet hole is performed by the down-pressing air cylinder, the air pressure in the space between the piston at the lower end of the movable rod 5 and the top of the movable rod cavity 6 is increased, the movable rod 5 is stressed to move downwards under the action of the air pressure, so that the support table 2 is driven to move downwards and compress the spring 3, and meanwhile, components on the circuit board move downwards along with the support table 2.

When the air pressure of the lower air cylinder is removed, the support platform 2 is reset under the action of the spring 3.

The automatic support plate mechanism comprises a support plate and a plurality of mounting grooves formed in the support plate, the support plate is square, the mounting grooves are matched with the shell 1, and the supporting structures are mounted on the mounting grooves.

The working principle of the automatic support plate mechanism is as follows:

carry out independent control and then realize through external equipment every a bearing structure brace table 2 stretches out the combination, on the circuit board components and parts with a bearing structure contact, its contact a bearing structure, brace table 2 is in the withdrawal state and forms the support to components and parts, not contact with components and parts a bearing structure is in the state of stretching out, forms the support and the chucking circuit board to the circuit board, makes automatic support plate mechanism can be applicable to the circuit board formation of different structures and bear.

Example two:

as shown in fig. 4 and 5, the present embodiment is different from the first embodiment in that: the pressing assembly comprises a first electromagnetic ring 7, a second electromagnetic ring 8 matched with the first electromagnetic ring 7 and an external power supply electrically connected with the second electromagnetic ring 8, the first electromagnetic ring 7 is fixedly connected with the supporting table 2, the second electromagnetic ring 8 is fixedly connected with the shell 1, an electromagnetic ring movable cavity 9 is arranged on the shell 1, the first electromagnetic ring 7 is in sliding fit with the electromagnetic ring movable cavity 9, and the electromagnetic ring movable cavity 9 is communicated with air holes.

The working principle of the supporting structure is as follows:

the support platform 2 initially extends out of the through hole 4, and at this time, the top of the support platform 2 is exposed out of the through hole 4.

When the first electromagnetic ring 7 and the second electromagnetic ring 8 are electrified, the first electromagnetic ring 7 is forced to move, and the support platform 2 is driven by the first electromagnetic ring 7 to move downwards and compress the spring 3. The supporting platform 2 retracts into the shell 1 from the through hole 4, and components on the circuit board move downwards along with the supporting platform 2.

The utility model discloses be applied to circuit board test equipment's technical field.

Claims

1. A support structure, characterized by: it includes casing (1), brace table (2), spring (3) and pushes down the subassembly, be equipped with on casing (1) through-hole (4) and with the brace table activity chamber that through-hole (4) are linked together, brace table (2) sliding fit is in brace table activity intracavity, spring (3) one end with brace table (2) are connected, the other end of spring (3) with casing (1) are connected, it drives to push down the subassembly brace table (2) are in the compression of brace table activity intracavity spring (3), work as when spring (3) reset, spring (3) drive brace table (2) stretch out outside through-hole (4).

2. A support structure according to claim 1, wherein: the subassembly pushes down including push down the cylinder and with movable rod (5) that push down the cylinder transmission and connect, be equipped with movable rod activity chamber (6) on casing (1), movable rod (5) one end with brace table (2) are connected, the other end sliding fit of movable rod (5) is in movable rod activity chamber (6), the bottom in the movable rod activity chamber (6) of saying is equipped with the air vent.

3. A support structure according to claim 1, wherein: the pressing assembly comprises a first electromagnetic ring (7), a second electromagnetic ring (8) matched with the first electromagnetic ring (7) and an external power supply electrically connected with the second electromagnetic ring (8), the first electromagnetic ring (7) is fixedly connected with the supporting table (2), the second electromagnetic ring (8) is fixedly connected with the shell (1), an electromagnetic ring movable cavity (9) is formed in the shell (1), the first electromagnetic ring (7) is in sliding fit with the electromagnetic ring movable cavity (9), and the electromagnetic ring movable cavity (9) is communicated with air holes.

4. A support structure according to claim 1, wherein: the shell (1) comprises an upper cover body (10) and a base (11) matched with the upper cover body (10), an internal thread is arranged on the upper cover body (10), and an external thread matched with the internal thread is arranged on the base (11).

5. An automated carrier plate mechanism comprising a support structure according to any one of claims 1-4, wherein: the automatic support plate mechanism comprises a support plate and a plurality of mounting grooves formed in the support plate, the support plate is square, the mounting grooves are matched with the shell (1), and the supporting structures are mounted on the mounting grooves.