CN215575501U

CN215575501U - Micro-space gold finger PCBA board test module

Info

Publication number: CN215575501U
Application number: CN202121239827.XU
Authority: CN
Inventors: 赵飞
Original assignee: Suzhou Yisai Measurement And Control Technology Co ltd
Current assignee: Suzhou Yisai Measurement And Control Technology Co ltd
Priority date: 2021-06-04
Filing date: 2021-06-04
Publication date: 2022-01-18
Anticipated expiration: 2031-06-04

Abstract

The utility model discloses a micro-space gold finger PCBA board testing module, which comprises a workbench, a guide sleeve, a first linear slide rail, a first transmission screw rod, a positioning block, a first hand wheel, a micro-camera, a camera base, a positioning plate, an upper loading platform, an upper limiting block, a lower loading platform, a second transmission screw rod, a second bearing, a second hand wheel, a telescopic guide rod, a spiral depth tester, a support, a display and a control module, wherein the first hand wheel is fixedly arranged at two ends of the first transmission screw rod. Because the accurate location is carried out through the formation of image of micro-camera, combines manual fine setting, can pinpoint PFC and PCBA golden finger relative position. Because the upper PFC golden finger and the golden finger of the board to be tested are pressed through the surface contact mode, the mode can effectively avoid the bad conditions such as scratches caused by the traditional probe to the surface of the golden finger, and meanwhile, the contact area can be ensured, and the test stability is provided.

Description

Micro-space gold finger PCBA board test module

Technical Field

The utility model belongs to the technical field of PCBA board test equipment, and particularly relates to a micro-space golden finger PCBA board test module.

Background

The existing PCBA board has two testing modes:

1. microneedle implantation: the defects are that the surface of the golden finger is easy to be damaged, the needle point is easy to deviate due to the fact that the diameter of the needle is only about 0.1mm, measurement is unstable, the needle is easy to break, and maintenance cost is high.

2. And (3) directly pressing the FPC flat cable and the PCBA into a finished product, and then testing: the disadvantages are as follows: the efficiency is low, maintains the difficulty, causes raw and other materials extravagant easily, because the finished product after pressing is if the test has the problem, needs to tear FPC and golden finger apart, causes PCBA and FPC very easily and damages condemned condition.

Disclosure of Invention

The technical problem to be solved by the utility model is as follows: in order to overcome the defects, a micro-space gold finger PCBA board test module is provided.

In order to solve the technical problems, the utility model is realized by the following technical scheme: a micro-space gold finger PCBA board test module comprises a workbench, a guide sleeve, first linear slide rails, first transmission screw rods, a positioning block, a first hand wheel, a micro-camera, a camera base, a positioning plate, an upper loading platform, an upper limiting block, a lower loading platform, a second transmission screw rod, a second bearing, a second hand wheel, a telescopic guide rod, a spiral depth tester, a support, a display and a control module, wherein the two first linear slide rails are horizontally and fixedly arranged on the upper portion of the workbench, the positioning block is fixedly arranged at two ends of the upper portion of the workbench, two ends of the first transmission screw rod are respectively rotatably arranged on the positioning block through the first bearing, the first hand wheel is fixedly arranged at two ends of the first transmission screw rod, the camera base is slidably arranged on the first linear slide rails, the micro-camera is fixedly arranged on the camera base, and the camera base is in threaded transmission connection with the first transmission screw rods, the guide sleeve is fixedly arranged at the middle position of the workbench, the positioning plate is fixedly arranged on the workbench, the positioning plate is positioned at the upper part of the guide sleeve, a second linear slide rail is horizontally and fixedly arranged on the positioning plate, the upper loading platform is slidably arranged on the second linear slide rail, a limiting surface is arranged on the upper loading platform, the upper limiting block is fixedly arranged at the left end and the right end of the limiting surface, the lower loading platform is slidably arranged in the guide sleeve, the two ends of the top surface of the lower loading platform are fixedly provided with a lower limiting block corresponding to the upper limiting block in position, four telescopic guide rods are fixedly arranged on the workbench in a rectangular distribution manner, the upper ends of the four telescopic guide rods are fixedly connected with the lower loading platform, the lower end of the second transmission screw rod is rotatably arranged on the workbench through a second bearing, the upper end of the second transmission screw rod is in threaded transmission connection with the lower loading platform, and the second hand wheel is fixedly sleeved on the second transmission screw rod, the support is fixedly installed at the right end of the guide sleeve, the shell of the spiral depth tester is fixedly installed on the support, the adjusting rod of the spiral depth tester is fixedly connected with the uploading table, and the microscope camera and the displayer are respectively connected to the control module through circuits.

Preferably, four corners of the bottom of the workbench are provided with support adjusting feet in a threaded manner.

Preferably, the first hand wheel and the second hand wheel are fixedly covered with anti-skid rubber sleeves.

Preferably, a housing of the spiral depth tester is provided with a pressing bolt for pressing the positioning adjusting rod in a threaded manner.

Compared with the prior art, the utility model has the advantages that:

1. because the accurate location is carried out through the formation of image of micro-camera, combines manual fine setting, can pinpoint PFC and PCBA golden finger relative position.

2. Because the upper PFC golden finger and the golden finger of the board to be tested are pressed through the surface contact mode, the mode can effectively avoid the bad conditions such as scratches caused by the traditional probe to the surface of the golden finger, and meanwhile, the contact area can be ensured, and the test stability is provided.

Description of the drawings:

the utility model is further described below with reference to the accompanying drawings.

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is an enlarged view at M of fig. 1.

The specific implementation mode is as follows:

the present invention will be described in detail with reference to specific embodiments below:

as shown in fig. 1 and 2, the micro-space gold finger PCBA board testing module comprises a workbench 1, a guide sleeve 12, a first linear slide rail 2, a first transmission screw 21, a positioning block 22, a first hand wheel 23, a micro-camera 3, a camera base 31, a positioning block 4, an upper loading table 41, an upper limiting block 43, a lower loading table 5, a second transmission screw 6, a second bearing 61, a second hand wheel 62, a telescopic guide rod 7, a spiral depth tester 9, a support 10, a display and a control module, wherein the two first linear slide rails 2 are horizontally and fixedly installed on the upper portion of the workbench 1, the positioning block 22 is fixedly installed at two ends of the upper portion of the workbench 1, two ends of the first transmission screw 21 are respectively rotatably installed on the positioning block 22 through the first bearing, the first hand wheels 23 are fixedly installed at two ends of the first transmission screw 21, the camera base 31 is slidably installed on the first linear slide rails 2, the microscope camera 3 is fixedly arranged on the camera base 31, the camera base 31 is in threaded transmission connection with the first transmission screw rod 21, the guide sleeve 12 is fixedly arranged at the middle position of the workbench 1, the positioning plate 4 is fixedly arranged on the workbench 1, the positioning plate 4 is positioned at the upper part of the guide sleeve 12, a second linear slide rail is horizontally and fixedly arranged on the positioning plate 4, the upper carrier 41 is slidably arranged on the second linear slide rail, the upper carrier 41 is provided with a limiting surface 42, the upper limiting block 43 is fixedly arranged at the left end and the right end of the limiting surface 42, the lower carrier 5 is slidably arranged in the guide sleeve 12, the two ends of the top surface of the lower carrier 5 are fixedly provided with lower limiting blocks 51 corresponding to the upper limiting block 43, namely the upper limiting block 43 and the lower limiting block 51 are arranged at the same position, and the four telescopic guide rods 7 are fixedly arranged on the workbench 1 in a rectangular distribution manner, the upper ends of the four telescopic guide rods 7 are fixedly connected with the lower download table 5, the lower end of the second transmission screw rod 6 is rotatably installed on the workbench 1 through a second bearing 61, the upper end of the second transmission screw rod 6 is in threaded transmission connection with the lower download table 5, the second hand wheel 62 is fixedly sleeved and installed on the second transmission screw rod 6, the support 10 is fixedly installed at the right end of the guide sleeve 12, the shell of the spiral depth tester 9 is fixedly installed on the support 10, the adjusting rod 91 of the spiral depth tester 9 is fixedly connected with the upper loading table 41, and the microscope camera 3 and the display are respectively in circuit connection with the control module.

When the adjustable support is used, in order to adjust the stability of the workbench 1, four corners of the bottom of the workbench 1 are provided with support adjusting feet in a threaded manner.

In addition, in order to increase the friction force on the surfaces of the first hand wheel 23 and the second hand wheel 62 and avoid the slipping phenomenon, anti-slipping rubber sleeves are fixedly coated on the outer portions of the first hand wheel 23 and the second hand wheel 62.

The shell of the spiral depth tester 9 is provided with a pressing bolt 92 for pressing the positioning adjusting rod 91 in a screwed mode, the pressing bolt 92 is screwed down to press and fix the adjusting rod 91, the upper carrying platform 41 is prevented from being displaced in the testing process, and the accuracy of the testing structure can be improved.

Embedding an upper PCBA81 board to be tested between two upper limit blocks 43 of an upper carrier 41, attaching an upper PCBA81 to be tested to a limit surface 42, embedding a lower PCBA82 to be tested between two upper limit blocks 51 of a lower carrier 5, sending video information of the positions of the upper PCBA81 to be tested and the lower PCBA82 to be tested to a display by a microscope 3, driving an adjusting rod 91 to move by a tester through the display rotating a spiral depth tester 9, driving the upper carrier 41 to slide along a second straight line by the adjusting rod 91, further adjusting the positions of gold fingers of the upper PCBA81 to be tested and the lower PCBA82 to be tested, after the adjustment is completed, the tester rotates a first hand wheel 23 to drive the microscope 3 to move along a first straight line slide rail 2, the tester observes whether the gold fingers of the upper PCBA81 to be tested and the lower PCBA82 to be tested are in one-to-one correspondence through the display, and tests the gold fingers of the lower PCBA81 to be tested and the lower PCBA82 to be tested by rotating a second hand wheel 62 to be tested to be driven to move upwards, in order to avoid the upper PCBA81 to be measured shielding the lower PCBA82 to be measured, the microscope camera 3 can be inclined at a certain angle, so that a more accurate picture can be obtained, and the adjustment efficiency and the accuracy of the test result can be provided.

It is to be emphasized that: it will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims

1. The utility model provides a micro-space gold finger PCBA board test module which characterized in that: comprises a workbench (1), a guide sleeve (12), first linear slide rails (2), a first transmission screw rod (21), a positioning block (22), a first hand wheel (23), a micro-camera (3), a camera seat (31), a positioning plate (4), an upper carrying platform (41), an upper limiting block (43), a lower carrying platform (5), a second transmission screw rod (6), a second bearing (61), a second hand wheel (62), a telescopic guide rod (7), a spiral depth tester (9), a support (10), a display and a control module, wherein the two first linear slide rails (2) are horizontally and fixedly arranged on the upper part of the workbench (1), the positioning block (22) is fixedly arranged at two ends of the upper part of the workbench (1), two ends of the first transmission screw rod (21) are respectively rotatably arranged on the positioning block (22) through first bearings, the first hand wheels (23) are fixedly arranged at two ends of the first transmission screw rod (21), the microscope comprises a camera base (31), a microscope camera (3), a first transmission screw rod (21), a guide sleeve (12), a positioning plate (4), a limiting surface (42), an upper limiting block (43), a second linear sliding rail, a lower limiting block (51) and a microscope camera, wherein the camera base (31) is slidably mounted on the first linear sliding rail (2), the microscope camera (3) is fixedly mounted on the camera base (31), the camera base (31) is further in threaded transmission connection with the first transmission screw rod (21), the guide sleeve (12) is fixedly mounted at the middle position of a workbench (1), the positioning plate (4) is fixedly mounted on the workbench (1), the positioning plate (4) is positioned at the upper part of the guide sleeve (12), the second linear sliding rail is horizontally and fixedly mounted on the positioning plate (4), the upper carrying platform (41) is slidably mounted on the second linear sliding rail, the upper carrying platform (41) is provided with the limiting surface (42), the upper limiting block (43) is fixedly mounted at the left end and the right end of the limiting surface (42), the lower carrying platform (5) is slidably mounted in the guide sleeve (12), the lower limiting block (51) corresponding to the upper limiting block (43) is fixedly arranged at the two ends of the top surface of the lower carrying platform (5), the four telescopic guide rods (7) are fixedly arranged on the workbench (1) in a rectangular distribution mode, the upper ends of the four telescopic guide rods (7) are fixedly connected with the lower carrying platform (5), the lower end of the second transmission screw rod (6) is rotatably arranged on the workbench (1) through a second bearing (61), the upper end of the second transmission screw rod (6) is in threaded transmission connection with the lower carrying platform (5), the second hand wheel (62) is fixedly sleeved on the second transmission screw rod (6), the support (10) is fixedly arranged at the right end of the guide sleeve (12), the shell of the spiral depth tester (9) is fixedly arranged on the support (10), an adjusting rod (91) of the spiral depth tester (9) is fixedly connected with the upper carrying platform (41), and the microscope camera (3) and the display are respectively in circuit connection with the control module.

2. The micro-space gold finger PCBA board test module set forth in claim 1, wherein: four corners of the bottom of the workbench (1) are provided with support adjusting feet in a threaded manner.

3. The micro-space gold finger PCBA board test module set forth in claim 1, wherein: and anti-skid rubber sleeves are fixedly coated on the outer parts of the first hand wheel (23) and the second hand wheel (62).

4. The micro-space gold finger PCBA board test module set forth in claim 1, wherein: and a pressing bolt (92) for pressing the positioning adjusting rod (91) is screwed on the shell of the spiral depth tester (9).