CN220171184U

CN220171184U - Component testing frame

Info

Publication number: CN220171184U
Application number: CN202320685113.4U
Authority: CN
Inventors: 林松; 陈金松; 王佳琳
Original assignee: Shenzhen Tuofeng Semiconductor Technology Co ltd
Current assignee: Shenzhen Tuofeng Semiconductor Technology Co ltd
Priority date: 2023-03-24
Filing date: 2023-03-24
Publication date: 2023-12-12
Anticipated expiration: 2033-03-24

Abstract

The utility model discloses a component testing frame, and relates to the technical field of PCB testing. Including detecting the platform, top one side fixedly connected with of detecting the platform is the mounting panel of L shape, and the cylinder that the output shaft runs through the mounting panel is installed at the top of mounting panel, and the output shaft bottom of cylinder is connected with the lifter plate, and the bottom four corners of lifter plate is connected with the faller that the bottom was equipped with detection probe through elastic mechanism, and the top of detecting the platform is located the below of faller and is equipped with the fixed strip of L shape, and the inner wall part of fixed strip is connected with the edge of placing that is used for placing PCB, and the top of detecting the platform is located the logical groove has been seted up under the faller, is equipped with the heating mechanism who is used for making its temperature rise with PCB heating in the logical groove. This components and parts test jig can detect the short circuit, the functional condition such as circuit break of PCB under the state of high temperature, in addition through setting up the fixed strip, place along, can cooperate fixture centre gripping spacing PCB board to prevent that PCB from taking place the skew at the in-process of detection.

Description

Component testing frame

Technical Field

The utility model relates to the technical field of PCB testing, in particular to a component testing frame.

Background

With the rapid development of electronic technology, the yield of Printed Circuit Boards (PCBs) widely applied to various electronic devices is greatly increased, technicians need to rapidly determine short circuits, open-circuit faults or locate out-of-standard resistors on a back plate, in the PCB test process, the PCBs are generally placed on a test platform by technical means such as manual or mechanical arms, and then a probe is driven to contact with the PCBs to complete alignment between the test device and the PCBs, and then a test system in the test device cooperates with the probe to complete testing of the PCBs.

The utility model provides a pneumatic test fixture of PCB board of publication number CN218003476U, which comprises a control cabinet, be equipped with test platform and test frame on the cabinet top of switch board, be in the test platform in the test frame place ahead, the PCB board is placed on test platform, test frame is higher than test platform, the test frame is 7 word shapes, be equipped with the actuating cylinder at the top of test frame, the cylinder shaft of actuating cylinder is vertical downwards, the connecting plate is being installed in the front end of cylinder shaft, the elastic connection post is being installed at the lower extreme of connecting plate, the needle file board is being installed to the lower extreme of elastic connection post, the probe is being installed at the lower extreme of needle file board, the probe hangs directly over test platform. The working principle is that the connecting plate is pressed down by the air cylinder, the probes on the needle seat plate flatten the PCB on the test plate, and then the test row of the contact bottom inserts to complete the test of related functions.

Disclosure of Invention

The utility model provides a component testing frame which aims to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a components and parts test jig, includes the detection platform, the top one side fixedly connected with of detection platform is the mounting panel of L shape, the cylinder that the output shaft runs through the mounting panel is installed at the top of mounting panel, the output shaft bottom of cylinder is connected with the lifter plate, the bottom four corners of lifter plate is connected with the faller that the bottom was equipped with detection probe through elastic mechanism, the top of detection platform is located the below of faller and is equipped with the fixed strip of L shape, the inner wall part of fixed strip is connected with the placing edge that is used for placing PCB, still be equipped with the fixture that cooperates the fixed strip in order to centre gripping spacing PCB on the detection platform, the top of detection platform is located and has seted up logical groove under the faller, be equipped with the heating mechanism who is used for making its temperature rise with the PCB heating in the logical groove.

Further, the fixture is electric push rod and splint, the top of detecting the platform is located the opposite one side of fixed strip both arms and all installs electric push rod, electric push rod's output shaft has the splint that are L shape.

Further, the heating mechanism is a thermocouple, and the thermocouple is arranged in the through groove.

Further, the top of mounting panel is located the both sides of cylinder all swing joint has the guide bar that runs through the mounting panel and connect the lifter plate.

Further, the top of the mounting plate is also provided with a linear bearing sleeved on the guide rod.

Further, the elastic mechanism comprises a sleeve, a buffer rod and a spring, wherein the four corners of the top of the needle plate are fixedly connected with a hollow sleeve inside the top opening, the inner cavity of the sleeve is connected with the buffer rod in a T shape through the spring, and the top end of the buffer rod is connected with the lifting plate.

Compared with the prior art, the utility model provides a component testing frame, which has the following beneficial effects: this components and parts test jig can detect the short circuit, the functional condition such as circuit break of PCB under the state of high temperature, in addition through setting up the fixed strip, place along, can cooperate fixture centre gripping spacing PCB board to prevent that PCB from taking place the skew at the in-process of detection.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

fig. 2 is a schematic structural view of the needle plate of the present utility model;

fig. 3 is a schematic structural view of a clamping structure of the present utility model.

In the figure: 1. a detection table; 2. a mounting plate; 3. a cylinder; 4. a lifting plate; 5. a needle plate; 6. a fixing strip; 7. placing the edge; 8. an electric push rod; 9. a clamping plate; 10. a through groove; 11. a thermocouple; 12. a guide rod; 13. a linear bearing; 14. a sleeve; 15. a buffer rod; 16. and (3) a spring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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.

Referring to fig. 1-3, the utility model discloses a component testing frame, which comprises a testing table 1, wherein one side of the top of the testing table 1 is fixedly connected with an L-shaped mounting plate 2, the top of the mounting plate 2 is provided with a cylinder 3 with an output shaft penetrating through the mounting plate 2, the bottom end of the output shaft of the cylinder 3 is connected with a lifting plate 4, four corners of the bottom of the lifting plate 4 are connected with a needle plate 5 with a detection probe at the bottom through an elastic mechanism, the top of the testing table 1 is provided with an L-shaped fixing strip 6 below the needle plate 5, the inner wall part of the fixing strip 6 is connected with a placing edge 7 for placing a PCB, the testing table 1 is also provided with a clamping mechanism matched with the fixing strip 6 to clamp and limit the PCB, the top of the testing table 1 is provided with a through groove 10 under the needle plate 5, and a heating mechanism for heating the PCB to raise the temperature is arranged in the through groove 10.

Specifically, fixture is electric push rod 8 and splint 9, electric push rod 8 is all installed to the top of detecting bench 1 in the opposite one side of fixed strip 6 both arms, electric push rod 8's output shaft has splint 9 that is the L shape.

In this embodiment, place and can leave the space between placing the top mesa of PCB board and detection platform 1 on edge 7, and electric putter 8 is through promoting splint 9 to press close to the direction motion of fixed strip 6 mutually, can make splint 9 cooperate fixed strip 6 centre gripping spacing PCB.

Specifically, the heating mechanism is a thermocouple 11, and the thermocouple 11 is arranged in the through groove 10.

In this embodiment, the detection table 1 is hollow and is communicated with the through groove 10, and an electric push rod for driving the thermocouple 11 to lift and lower can be mounted in the detection table 1.

Specifically, the top of mounting panel 2 is located the both sides of cylinder 3 and all swing joint has the guide bar 12 that runs through mounting panel 2 and connect lifter plate 4.

The top of the mounting plate 2 is also provided with a linear bearing 13 sleeved on the guide rod 12.

In the present embodiment, the guide rod 12 is provided in combination with the linear bearing 13, and can guide the lifting of the needle plate 5.

Specifically, the elastic mechanism includes sleeve 14, buffer rod 15 and spring 16, the inside hollow sleeve 14 of top four corners all fixedly connected with open-top of faller 5, the inner chamber of sleeve 14 passes through spring 16 and connects and be the buffer rod 15 of T shape, lifter plate 4 is connected on the top of buffer rod 15.

When the PCB is used, the PCB is placed on the placement edge 7 and attached to the inner wall of the fixing strip 6, then the electric push rod 8 is started to drive the clamping plate 9 to move to match with the fixing strip 6 to clamp the limiting PCB, and then the cylinder 3 can be started to drive the needle plate 5 to descend, so that the detection probe at the bottom of the needle plate 5 contacts the PCB to detect, the thermocouple is started to heat the PCB, and the functional conditions of short circuit, open circuit and the like of the PCB in a high-temperature state can be detected.

To sum up, this components and parts test jig can detect the short circuit, the functional condition such as circuit break of PCB under the state of high temperature, in addition through setting up fixed strip 6, placing along 7, can cooperate fixture centre gripping spacing PCB board to prevent that PCB from taking place the skew at the in-process that detects.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Component test frame, including detecting platform (1), its characterized in that: the utility model discloses a PCB detection device, including test bench (1), cylinder (3) that the output shaft runs through mounting panel (2) are installed at the top of test bench (1), cylinder (3) are installed at the top of mounting panel (2), output shaft bottom of cylinder (3) is connected with lifter plate (4), the bottom four corners of lifter plate (4) are connected with faller (5) that the bottom was equipped with detection probe through elastic mechanism, the top of test bench (1) is located faller (5) below and is equipped with L-shaped fixed strip (6), the inner wall part of fixed strip (6) is connected with and is used for placing PCB place along (7), still be equipped with on test bench (1) cooperation fixed strip (6) in order to centre gripping limiting PCB's fixture, through groove (10) have been seted up under the top of test bench (1) is located faller (5), be equipped with in through groove (10) and be used for making PCB heating its temperature rise's heating mechanism.

2. A component testing jig according to claim 1, wherein: the clamping mechanism is an electric push rod (8) and a clamping plate (9), the electric push rod (8) is mounted on one side, opposite to the two arms, of the fixing strip (6) at the top of the detection table (1), and the clamping plate (9) in an L shape is connected to an output shaft of the electric push rod (8).

3. A component testing jig according to claim 1, wherein: the heating mechanism is a thermocouple (11), and the thermocouple (11) is arranged in the through groove (10).

4. A component testing jig according to claim 1, wherein: the top of mounting panel (2) is located the both sides of cylinder (3) all swing joint has guide bar (12) that run through mounting panel (2) and connect lifter plate (4).

5. A component testing jig according to claim 1, wherein: the top of the mounting plate (2) is also provided with a linear bearing (13) sleeved on the guide rod (12).

6. A component testing jig according to claim 1, wherein: the elastic mechanism comprises a sleeve (14), a buffer rod (15) and a spring (16), wherein the top four corners of the needle plate (5) are fixedly connected with a sleeve (14) with a hollow top opening, the inner cavity of the sleeve (14) is connected with the buffer rod (15) which is in a T shape through the spring (16), and the top end of the buffer rod (15) is connected with the lifting plate (4).