CN214793021U

CN214793021U - PCB testing and inspecting equipment

Info

Publication number: CN214793021U
Application number: CN202120865987.9U
Authority: CN
Inventors: 李跃; 舒纯娟; 李亮; 汪燕
Original assignee: Anhui Jin'an Zhengyang Electronic Technology Co ltd
Current assignee: Anhui Jin'an Zhengyang Electronic Technology Co ltd
Priority date: 2021-04-26
Filing date: 2021-04-26
Publication date: 2021-11-19
Anticipated expiration: 2031-04-26

Abstract

The utility model discloses a PCB board test check out test set belongs to PCB board production facility field, mainly solve how efficiency is higher, the problem of the degree of depth of electronic component mounting hole on the more accurate inspection PCB board, comprises a workbench be provided with the grudging post on the workstation, the below of grudging post is provided with a plurality of electric push rods, electric push rod's below is provided with the lifter plate, the below of lifter plate is provided with a plurality of laser emission receiving heads that correspond with PCB board component mounting hole position, one side of workstation still is provided with the industrial computer. The depth of laser energy precision measurement component mounting hole can find out the mounting hole that is not conform to the standard fast, and it is high to measure the precision, can once only measure the component mounting hole of a plurality of quantity, and measurement efficiency is high, can firmly fix and measure the PCB board of variation in size, shape difference, and the commonality is better, can replace artifical the detection, can extensively use in PCB board manufacturing enterprise.

Description

PCB testing and inspecting equipment

Technical Field

The utility model relates to a PCB board production facility field, more specifically say, the utility model relates to a PCB board test check out test set.

Background

The PCB is commonly used in various electronic devices and used for printing circuits and installing equipment of various electronic elements, the PCB is provided with a plurality of circuit layers in production, a plurality of installation holes are formed in the PCB, the electronic elements are fixed in the installation holes to form a complete circuit with certain functions, the positions, the sizes and the depths of the installation holes are all the same, in the quality inspection of the PCB, the depths of the element installation holes are the heaviest, and some too deep can conduct the circuit of the next layer in the PCB and can not conduct the circuit of the corresponding layer if the depths are not too deep.

Therefore, it is required to design a PCB board test inspection apparatus.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a PCB board test check out test set mainly solves how efficiency is higher, the problem of the degree of depth of electronic component mounting hole on more accurate inspection PCB board.

The utility model provides a PCB board test inspection device, which comprises a workbench, wherein a vertical frame is arranged on the workbench, a plurality of electric push rods are arranged below the vertical frame, a lifting plate is arranged below the electric push rods, a plurality of laser transmitting and receiving heads corresponding to the positions of PCB board element mounting holes are arranged below the lifting plate, and an industrial personal computer is also arranged on one side of the workbench;

the PCB clamping device is characterized in that four supporting blocks which are adjustable in position and used for supporting the PCB are arranged on the workbench, and four clamping mechanisms used for clamping the PCB are further arranged on the workbench.

In a preferred embodiment, a laser is arranged at the top of the lifting plate, a replaceable fixing plate is arranged at the bottom of the lifting plate, a plurality of fixing holes corresponding to the PCB element mounting holes are formed in the fixing plate, the laser transmitting and receiving head is mounted in the fixing holes, the laser is connected with the industrial personal computer through a circuit, and the laser transmitting and receiving head is connected with the industrial personal computer through signals.

In a preferred embodiment, four support blocks are symmetrically distributed, a plurality of first screw holes arranged in an X shape are formed in the workbench, the support blocks are connected in the first screw holes in a threaded manner, and rubber pads are further arranged on the top surfaces of the support blocks.

In a preferred embodiment, the workbench is provided with a plurality of third screw holes arranged in a cross shape, four clamping mechanisms are distributed in a cross shape and comprise clamping plates, springs and fixing blocks, one ends of the springs are fixed on the clamping plates, the other ends of the springs are fixed on the fixing blocks, the fixing blocks are in an L shape, the horizontal parts of the fixing blocks are provided with second screw holes, the second screw holes are aligned with the third screw holes, and a plurality of drawers are further arranged below the workbench.

The utility model discloses a technological effect and advantage:

the depth of laser energy precision measurement component mounting hole can find out the mounting hole that is not conform to the standard fast, and it is high to measure the precision, can once only measure the component mounting hole of a plurality of quantity, and measurement efficiency is high, can firmly fix and measure the PCB board of variation in size, shape difference, and the commonality is better, can replace artifical the detection, can extensively use in PCB board manufacturing enterprise.

Drawings

FIG. 1 is an overall front view;

FIG. 2 is a top view of the support block and clamping mechanism on the table;

fig. 3 is a bottom view of the fixing plate.

Description of reference numerals: 1. a work table; 11. a drawer; 12. erecting a frame; 13. an electric push rod; 14. a lifting plate; 15. a laser; 16. a fixing plate; 161. a fixing hole; 162. a fourth screw hole; 17. a laser transmitting and receiving head; 2. an industrial personal computer; 3. a support block; 31. a first screw hole; 32. a clamping plate; 33. a spring; 34. a fixed block; 35. a second screw hole; 36. and a third screw hole.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

A PCB board test and inspection device is shown in figures 1-3 and comprises a workbench 1, wherein a vertical frame 12 is arranged on the workbench 1, a plurality of electric push rods 13 are arranged below the vertical frame 12, a lifting plate 14 is arranged below the electric push rods 13, a plurality of laser transmitting and receiving heads 17 corresponding to the positions of PCB board element mounting holes are arranged below the lifting plate 14, the electric push rods 13 stretch to drive the laser transmitting and receiving heads 17 to move up and down, laser transmitting heads used for emitting laser and laser receivers used for receiving the emitted laser are arranged in the laser transmitting and receiving heads 17, the structures and principles of the laser transmitting heads and the laser receivers are the prior art, and an industrial personal computer 2 is arranged on one side of the workbench 1;

four supporting blocks 3 which are adjustable in position and used for supporting the PCB are arranged on the workbench 1, and four clamping mechanisms used for clamping the PCB are further arranged on the workbench 1.

The top of the lifting plate 14 is provided with a laser 15, the laser 15 is used for making laser and emitting the laser through a laser transmitting and receiving head 17, also in the prior art, the bottom of the lifting plate 14 is provided with a replaceable fixing plate 16, the periphery of the fixing plate 16 is provided with fourth screw holes 162, the fixing plate is fixed on the lifting plate 14 through studs penetrating through the fourth screw holes 162, the fixing plate 16 is detachably mounted on the lifting plate 14, the fixing plate 16 is provided with a plurality of fixing holes 161 corresponding to PCB plate element mounting holes (the fixing plate 16 has a plurality of types, and the PCB without wiring and spraying can be used as a template, namely the fixing plate 16 can be obtained by a PCB without wiring and spraying, but with standard element mounting holes), the laser transmitting and receiving head 17 has a plurality of models with different thicknesses, the models are respectively mounted in the fixing holes 161, the laser 15 is in circuit connection with the industrial personal computer 2, the laser transmitting and receiving head 17 is in signal connection with the industrial computer 2, the industrial personal computer 2 is also the prior art, such as the model number IPC-477E/D/C.

Four 3 symmetric distributions of supporting shoe are provided with a plurality of first screw 31 that are "X" type range on the workstation 1, and 3 threaded connection of supporting shoe are in first screw 31, and the top surface of supporting shoe 3 still is provided with the rubber pad, and the PCB board that waits to detect is put on four supporting shoes 3, and four supporting shoes 3 intervals each other can be adjusted, are convenient for place the PCB board of variation in size, put on supporting shoe 3, are convenient for get and put the PCB board.

The workbench 1 is provided with a plurality of third screw holes 36 which are arranged in a cross shape, four clamping mechanisms are distributed in a cross shape, each clamping mechanism comprises a clamping plate 32, a spring 33 and a fixing block 34, one end of each spring 33 is fixed on the clamping plate 32, the other end of each spring 33 is fixed on the corresponding fixing block 34, each fixing block 34 is in an L shape, the horizontal part of each fixing block 34 is provided with a second screw hole 35, the second screw holes 35 are aligned with the third screw holes 36, studs penetrate through the second screw holes 35 and the third screw holes 36, the fixing blocks 34 can be fixed on the third screw holes 36 at different positions, the distance between the clamping mechanisms can be adjusted, and the clamping plates 32 can fix PCBs with different sizes conveniently.

A plurality of drawers 11 are arranged below the workbench 1, and tools and other articles for operation of detection personnel can be placed in the drawers 11.

In summary, according to the position of the component mounting hole on the PCB of the batch to be detected, the corresponding fixing plate 16 is selected, the laser transmitting and receiving head 17 with the corresponding size is mounted in the fixing hole 161, the distance between the supporting blocks 3 and the clamping plates 32 is adjusted to be appropriate according to the size of the PCB to be detected, the PCB to be detected is placed on the supporting blocks 3, the clamping plates 32 are attached and clamped around the PCB to fix the PCB firmly, the electric push rod 13 extends out, the laser transmitting and receiving head 17 is moved down to an appropriate height position, the industrial personal computer 2 is operated to make the laser transmitting and receiving head 17 emit laser and receive the emitted laser, the industrial personal computer 2 records the time for emitting the laser and receiving the emitted laser, calculates the time difference, and according to the speed of the laser and the distance from the laser transmitting and receiving head 17 to the surface of the PCB (the distance can be determined before detection), the industrial personal computer 2 can calculate the depth of a plurality of component mounting holes on the PCB, then comparing the standard value with a standard value prestored in the industrial personal computer 2;

after detecting a PCB, press grip block 32 backward, take off the PCB that detects, put into between four grip blocks 32 with another PCB that awaits measuring again, fixed firm can, detection efficiency is very high.

It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present disclosure, all other embodiments obtained by a person of ordinary skill in the art and related fields without creative efforts shall fall within the protection scope of the present disclosure. The structures, devices, and methods of operation of the present invention, not specifically described and illustrated, are generally practiced by those of ordinary skill in the art without specific recitation or limitation.

Claims

1. The PCB testing and inspecting equipment is characterized by comprising a workbench (1), wherein a vertical frame (12) is arranged on the workbench (1), a plurality of electric push rods (13) are arranged below the vertical frame (12), a lifting plate (14) is arranged below the electric push rods (13), a plurality of laser transmitting and receiving heads (17) corresponding to the positions of PCB element mounting holes are arranged below the lifting plate (14), and an industrial personal computer (2) is further arranged on one side of the workbench (1);

the PCB clamping device is characterized in that four supporting blocks (3) which are adjustable in position and used for supporting a PCB are arranged on the workbench (1), and four clamping mechanisms used for clamping the PCB are further arranged on the workbench (1).

2. The PCB testing and inspecting device of claim 1, wherein a laser (15) is arranged at the top of the lifting plate (14), a replaceable fixing plate (16) is arranged at the bottom of the lifting plate (14), a plurality of fixing holes (161) corresponding to PCB element mounting holes are formed in the fixing plate (16), the laser emitting and receiving head (17) is installed in the fixing holes (161), the laser (15) is connected with the industrial personal computer (2) through a circuit, and the laser emitting and receiving head (17) is connected with the industrial personal computer (2) through a signal.

3. The PCB testing and inspecting device of claim 2, wherein four supporting blocks (3) are symmetrically distributed, a plurality of first screw holes (31) arranged in an X shape are formed in the workbench (1), the supporting blocks (3) are connected in the first screw holes (31) in a threaded mode, and rubber pads are further arranged on the top surfaces of the supporting blocks (3).

4. The PCB testing and inspecting device of claim 3, wherein a plurality of third screw holes (36) arranged in a cross shape are formed in the workbench (1), four clamping mechanisms are distributed in a cross shape and comprise clamping plates (32), springs (33) and fixing blocks (34), one ends of the springs (33) are fixed on the clamping plates (32), the other ends of the springs are fixed on the fixing blocks (34), the fixing blocks (34) are in an L shape, second screw holes (35) are formed in the horizontal portion of the fixing blocks (34), the second screw holes (35) are aligned with the third screw holes (36), and a plurality of drawers (11) are further arranged below the workbench (1).