CN218213136U

CN218213136U - Printed circuit board aging test cabinet

Info

Publication number: CN218213136U
Application number: CN202222376569.0U
Authority: CN
Inventors: 喻伟; 卢启富
Original assignee: Xianyang Goldman Sachs Optoelectronic Technology Co ltd
Current assignee: Xianyang Goldman Sachs Optoelectronic Technology Co ltd
Priority date: 2022-09-07
Filing date: 2022-09-07
Publication date: 2023-01-03
Anticipated expiration: 2032-09-07

Abstract

The utility model discloses a printed circuit board aging testing cabinet, the intelligent cabinet temperature adjusting device comprises a cabinet body, the right side of the cabinet body is equipped with the cabinet door, the internal cabinet chamber that is equipped with of cabinet, the cabinet intracavity is equipped with a plurality of bearing boards of arranging from last equidistance extremely down, bearing board left side section with wall normal running fit connects before the cabinet chamber, the top of bearing board has set firmly places the frame, the right side section of bearing board is equipped with the connection commentaries on classics round pin of extending around, both sides are equipped with respectively around the bearing board connect the rectangular shape linking arm that commentaries on classics round pin normal running fit connects, the downside the bearing board bottom has set firmly the fixed plate, be equipped with the guide way that the slope set up in the fixed plate, sliding fit is connected with the guide pin in the guide way, the U-shaped support has set firmly on the diapire in cabinet chamber, and this device conveniently takes printed circuit board, does not receive the influence of cabinet body height, and the printed circuit board of not being convenient to take, improves test work's convenience.

Description

Printed circuit board aging testing cabinet

Technical Field

The utility model relates to a printed circuit board tests technical field, specifically is a printed circuit board aging testing cabinet.

Background

In the manufacturing process of the printed circuit board, an aging process is involved, and an aging test before delivery is a necessary reliability test and service life detection. The testing work is required to be done in each link of the production of the electronic products. The purpose of preventing the disease is mild and gradual, but not reinforcing the disease by the dead sheep. The early and effective test technology and the method for quantitatively analyzing the service life of the product have scientific and theoretical significance and practical production engineering significance. Chinese patent No. (patent No. CN 210294337U) discloses a printed circuit board aging test cabinet, which includes: a cabinet body; the temperature control system is used for controlling the temperature inside the cabinet body; a plurality of burn-in test fixtures; a test system for testing the printed circuit board; the aging test fixture comprises a bottom plate, a bearing plate for placing the printed circuit board and a communication interface for communicating with the printed circuit board, wherein the bearing plate is provided with a plurality of fixing blocks for fixing the printed circuit board; the bearing plate can move in the direction close to or far away from the communication interface, and the aging test fixture further comprises a quick clamp for locking the position of the bearing plate; the test system is electrically connected with the communication interface. The utility model discloses a bottom plate on the anchor clamps rack sets up for the level, and inconvenient operating personnel takes the test circuit board on the bearing board, especially is located the test circuit board of eminence, because operating personnel's height is inequality, consequently, the printed circuit board aging testing cabinet that can adjust the bearing board angle, conveniently takes of urgent need for one kind.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a printed circuit board aging testing cabinet for overcome the above-mentioned defect among the prior art.

According to the utility model discloses a printed circuit board aging testing cabinet, the intelligent cabinet temperature adjusting device comprises a cabinet body, the right side of the cabinet body is equipped with the cabinet door, the internal cabinet chamber that is equipped with of cabinet, the cabinet intracavity is equipped with a plurality of bearing boards of arranging from last equidistance extremely down, bearing board left side section with the wall normal running fit is connected before the cabinet chamber, the top of bearing board has set firmly places the frame, the right side section of bearing board is equipped with the connection commentaries on classics round pin that extends around, both sides are equipped with respectively around the bearing board connect the rectangular shape linking arm that commentaries on classics round pin normal running fit is connected, the downside the bearing board bottom has set firmly the fixed plate, be equipped with the guide way that the slope set up in the fixed plate, sliding fit is connected with the uide pin in the guide way, the U-shaped support has set firmly on the diapire in cabinet chamber, U-shaped support normal running fit is connected with drive screw, screw is connected with the direction slider that extends the setting about screw thread fit on the drive screw, the direction slider that downwardly extending set firmly the connecting block that sets firmly, the top of connecting block that downwardly extending set firmly, the uide pin fixed connection, the right side of U-shaped support with drive screw power fit is connected.

Further technical scheme, install the intake pipe that a plurality of equidistance were arranged in the left side wall in cabinet chamber, the left side end-to-end connection of intake pipe has the air supply house steward, external air supply equipment is connected to the air supply house steward opposite side.

According to a further technical scheme, the rear side notch part of the placing frame is arranged on the rear side of the placing frame.

According to a further technical scheme, the placement frame is used for placing the printed circuit board to be tested.

According to the technical scheme, clamping mechanisms are arranged on the front side and the rear side of the placing frame, each clamping mechanism comprises a cylindrical connecting rod which penetrates through the bearing plate from top to bottom and is connected with the bearing plate in a sliding fit mode, a limiting block is fixedly arranged at the tail end of the bottom of the cylindrical connecting rod, a jacking spring is arranged between the limiting block and the bearing plate, a long-strip-shaped clamping arm is fixedly arranged at the tail end of the top of the cylindrical connecting rod, an anti-slip pad is fixedly arranged at the bottom of the long-strip-shaped clamping arm, and a handle portion is fixedly arranged at the top of the long-strip-shaped clamping arm.

According to the further technical scheme, the air inlet pipe and the bearing plate are arranged in a staggered mode, and the air inlet pipe is located on the upper side of the bearing plate.

Compared with the prior art, the beneficial effects of the utility model are that: this device is convenient for press from both sides tight fixed printed circuit board through fixture, through the slope work of a plurality of bearing boards of coordinated control to the printed circuit board of conveniently taking does not receive the influence of cabinet body height, and the printed circuit board of not being convenient for take improves test work's convenience, can realize the one-to-one air feed, improves the accuracy of test.

Drawings

FIG. 1 is a schematic view of an overall structure of a printed circuit board aging test cabinet of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1;

FIG. 3 is a top view of the middle support plate of the present invention;

fig. 4 is a cross-sectional view of B-B of fig. 3 according to the present invention.

Detailed Description

The present invention will be described in detail with reference to fig. 1 to 4, and for convenience of description, the following orientations will be defined: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

Referring to fig. 1-4, according to the utility model discloses an embodiment's a printed circuit board aging testing cabinet, the intelligent cabinet temperature adjusting device comprises a cabinet body 1, the right side of the cabinet body 1 is equipped with cabinet door 3, the internal cabinet chamber 2 that is equipped with of cabinet, be equipped with a plurality of from last to the bearing board 4 that the equidistance was arranged down in the cabinet chamber 2, the bearing board 4 left side section with 2 preceding back wall normal running fit in cabinet chamber connects, the top of bearing board 4 has set firmly places frame 5, the right side section of bearing board 4 is equipped with the connection commentaries on classics round pin 20 that extends around, both sides are equipped with respectively around the bearing board 4 be connected commentaries on classics round pin 20 normal running fit the linking arm 6 that connects, the downside the bearing board 4 bottom has set firmly fixed plate 11, be equipped with the guide way 12 that the slope set up in the fixed plate 11, sliding fit is connected with guide pin 13 in the guide way 12, the diapire in cabinet chamber 2 has U-shaped support 10, U-shaped support 10 normal running fit is connected with drive screw 14, screw 14 goes up screw thread fit and is connected with the guide slider 15 that extends the setting up about the connection block 16 that extends, the connection block 16 that the connection block that the connection of drive screw rod is connected with the drive screw rod 17 the right side drive screw rod 17.

Beneficially or exemplarily, install a plurality of intake pipes 7 that the equidistance was arranged in the left side wall of cabinet chamber 2, the left side end connection of intake pipe 7 has air supply main 9, external air supply equipment is connected to air supply main 9 opposite side to realize the supply work of steam or air conditioning, and then be convenient for the aging test under high temperature or the low temperature.

Advantageously or exemplarily, the rear side notch portion 19 of the placement frame 5 facilitates the circuit board to be taken from the notch portion 19.

Advantageously or exemplarily, the placement frame 5 is used for placing a printed circuit board to be tested.

Beneficially or exemplarily, clamping mechanisms are arranged on the front side and the rear side of the placing frame 5, each clamping mechanism includes a cylindrical connecting rod 21 vertically penetrating through the supporting plate 4 and connected with the supporting plate in a sliding fit manner, a limiting block 22 is fixedly arranged at the bottom end of the cylindrical connecting rod 21, a jacking spring 23 is arranged between the limiting block 22 and the supporting plate 4, an elongated clamping arm 24 is fixedly arranged at the top end of the cylindrical connecting rod 21, an anti-slip pad 25 is fixedly arranged at the bottom of the elongated clamping arm 24, and a handle portion 26 is fixedly arranged at the top of the elongated clamping arm 24, so that the clamping work of the printed circuit board can be controlled rapidly.

Advantageously or exemplarily, the air inlet pipes 7 are arranged in a staggered manner with the support plates 4, and the air inlet pipes 7 are located at the upper side positions of the support plates 4, so that one-to-one air supply for the printed circuit boards on each support plate 4 is realized.

The utility model discloses a theory of operation is: in the initial state, the guide slide block is positioned at the right side position in the U-shaped bracket, at the moment, the guide pin on the connecting block is positioned at the right side position in the guide groove and positioned at the lower part in the guide groove, so that the bearing plate at the upper side of the fixed plate is in a horizontal and straight state, and simultaneously, due to the linkage control of the strip-shaped connecting arms, the rest bearing plates are synchronously kept in the horizontal and straight state, at the moment, the printed circuit board is better subjected to the air outlet of the air inlet pipe for aging test, and then the air inlet pipe supplies air for testing; when the test is finished, the drive screw is controlled to rotate through the drive motor, and then the drive screw drives the guide sliding block to move towards the left side, and then the guide pin slides towards the upper left side in the guide groove relative to the guide groove, at the moment, the downward inclination occurs at the right section of the bearing plate, and simultaneously all the bearing plates are driven by the long-strip-shaped connecting arm to be in a synchronous inclined state, and finally, the handle part is pulled upwards, so that the cylindrical connecting rod drives the limiting block to move upwards under the jacking force of the jacking spring, and further the anti-slip pad on the long-strip-shaped clamping arm is far away from the printed circuit board, then the long-strip-shaped clamping arm is rotated to be far away from the printed circuit board, and meanwhile, the printed circuit board can be taken through the taking method, the multifunctional electric cabinet is simple and convenient, is not influenced by the height of the cabinet body, and is not convenient for taking the printed circuit board.

It will be apparent to those skilled in the art that various modifications to the above embodiment may be made without departing from the general spirit and concept of the invention. Which all fall within the protection scope of the utility model. The protection scheme of the utility model takes the attached claims of the utility model as the standard.

Claims

1. The utility model provides a printed circuit board aging testing cabinet, includes the cabinet body (1), the right side of the cabinet body (1) is equipped with cabinet door (3), its characterized in that: a cabinet cavity (2) is arranged in the cabinet body (1), a plurality of supporting plates (4) which are equidistantly arranged from top to bottom are arranged in the cabinet cavity (2), the left side section of the bearing plate (4) is connected with the front wall and the rear wall of the cabinet cavity (2) in a rotating fit manner, a placing frame (5) is fixedly arranged at the top of the bearing plate (4), a connecting rotating pin (20) extending forwards and backwards is arranged at the right side section of the bearing plate (4), the front side and the rear side of the bearing plate (4) are respectively provided with a strip-shaped connecting arm (6) which is in running fit connection with the connecting rotating pins (20) at the front side and the rear side, the bottom of the bearing plate (4) at the lowest side is fixedly provided with a fixing plate (11), a guide groove (12) which is obliquely arranged is arranged in the fixed plate (11), a guide pin (13) is connected in the guide groove (12) in a sliding fit manner, a U-shaped bracket (10) is fixedly arranged on the bottom wall of the cabinet cavity (2), a driving screw (14) is connected in the U-shaped bracket (10) in a rotating fit manner, the driving screw (14) is connected with a guide slide block (15) which extends left and right in a matching way, a connecting block (16) which extends downwards is fixedly arranged on the guide sliding block (15), the top of the connecting block (16) is fixedly connected with the guide pin (13), and a driving motor (17) which is in power fit connection with the driving screw (14) is fixedly arranged on the right side of the U-shaped support (10).

2. The printed circuit board aging test cabinet of claim 1, wherein: install intake pipe (7) that a plurality of equidistance were arranged in the left side wall of cabinet chamber (2), the left side end-to-end connection of intake pipe (7) has air supply main (9), external air supply equipment is connected to air supply main (9) opposite side.

3. The printed circuit board aging test cabinet of claim 1, wherein: a rear side notch portion (19) of the placement frame (5).

4. The printed circuit board aging test cabinet of claim 1, wherein: the placing frame (5) is used for placing a printed circuit board to be tested.

5. The printed circuit board burn-in test cabinet of claim 4, wherein: the clamping mechanism is arranged on the front side and the rear side of the placement frame (5) and comprises a bearing plate (4) which is vertically communicated, a cylindrical connecting rod (21) which is connected with the bearing plate in a sliding fit mode, a limiting block (22) is fixedly arranged at the tail end of the bottom of the cylindrical connecting rod (21), a jacking spring (23) is arranged between the limiting block (22) and the bearing plate (4), a long-strip-shaped clamping arm (24) is fixedly arranged at the tail end of the top of the cylindrical connecting rod (21), an anti-slip pad (25) is fixedly arranged at the bottom of the long-strip-shaped clamping arm (24), and a handle part (26) is fixedly arranged at the top of the long-strip-shaped clamping arm (24).

6. The printed circuit board burn-in test cabinet of claim 2, wherein: the air inlet pipe (7) and the bearing plate (4) are arranged in a staggered mode, and the air inlet pipe (7) is located at the upper side position of the bearing plate (4).