CN212133619U

CN212133619U - PCB thickness tester

Info

Publication number: CN212133619U
Application number: CN202020495923.XU
Authority: CN
Inventors: 尹姣青; 张人强; 叶洪发; 郭妙华
Original assignee: Shenzhen Xingda Pcb Co ltd
Current assignee: Shenzhen Xingda Pcb Co ltd
Priority date: 2020-04-08
Filing date: 2020-04-08
Publication date: 2020-12-11
Anticipated expiration: 2030-04-08

Abstract

The utility model relates to the technical field of PCB manufacture, in particular to a PCB thickness tester; the automatic detection device comprises a base, a fixed block, a sliding block, a positioning assembly, a first inductor, a test board and a rotary table, wherein a rotary motor is arranged in the rotary table, an output shaft of the rotary motor is in driving connection with the test board, a second inductor is arranged at the bottom of the test board downwards, a control device is arranged on one side of the fixed block, and the positioning assembly, the first inductor, the rotary motor and the second inductor are all electrically connected with the control device; in practical application, a PCB to be tested is placed between the fixed block and the sliding block, the positioning assembly drives the sliding block to move and clamp the PCB to be tested, the testing motor drives the top testing table to rotate to be right above the PCB to be tested, and the thickness of the PCB can be measured by the first sensor at the bottom of the testing table and the second sensor in the middle of the base; the utility model discloses simple structure, convenient operation, work efficiency is high, and the testing result is accurate.

Description

PCB thickness tester

Technical Field

The utility model relates to a PCB preparation technical field specifically is a PCB plate thickness tester.

Background

The PCB is called a printed circuit board, also called a printed circuit board or a printed circuit board, is an important electronic component, is a support for electronic components, and is a provider for electrical connection of electronic components. It is called a "printed" circuit board because it is made using electronic printing. After electronic components are welded on the PCB, the thickness of the PCB is changed, in order to be suitable for the use of manufactured products, the thickness of the whole PCB needs to be detected, whether the thickness of the PCB is within the range of design requirements is determined, and no quick and effective detection mode for detecting the thickness of the PCB exists at present.

In the prior art, if the size of the PCB to be measured is small, an operator can conveniently pick up the PCB, and the thickness of the PCB can be measured by directly utilizing a micrometer. However, in actual production, a considerable part of the PCB is large in size, and an operator cannot conveniently pick up and fix the PCB at a proper angle, and in this case, if the thickness of the PCB is measured by a micrometer directly, the PCB can be placed on the operation table and a part of the PCB is extended out for measurement; or two persons cooperate to operate, one person grasps and fixes the PCB, and the other person holds the micrometer by hand to measure the thickness of the PCB. Whichever of the above methods is inconvenient to operate, has low working efficiency, and is easy to introduce larger measurement errors.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to foretell not enough, provide a simple structure, convenient operation, work efficiency is high, a PCB board thickness tester that the testing result is accurate.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a PCB plate thickness tester, includes the base, just to being provided with fixed block and sliding block on the base, same one side of fixed block and sliding block is equipped with the revolving stage, the sliding block with be equipped with locating component between the fixed block, the base upper surface is provided with first inductor, first inductor is located the fixed block with between the sliding block, the inside rotating electrical machines that is equipped with of revolving stage, rotating electrical machines output shaft drive is connected with the testboard, the lower surface of testboard is provided with the second inductor, fixed block one side is provided with controlling means, locating component first inductor, rotating electrical machines with the equal electricity of second inductor is connected controlling means.

Further, the locating component is equipped with two sets ofly, two sets of the locating component is located respectively the fixed block with the left and right sides of sliding block.

Furthermore, the locating component comprises a locating motor arranged in the fixed block, an output shaft of the locating motor horizontally extends out of the lead screw fixedly connected with the sliding block in a threaded mode.

Further, be equipped with the fixed station on the sliding block, be equipped with the corresponding fixed station of uniform height on the fixed block, the fixed station with correspond on the fixed station respectively just to being equipped with pressure sensors and corresponding pressure sensors, pressure sensors with correspond pressure sensors parallel arrangement, pressure sensors with correspond the equal electricity of pressure sensors and be connected controlling means.

Furthermore, the number of the first inductors is at least two, and the first inductors are uniformly distributed in the middle of the base.

Furthermore, the number of the second inductors is at least two, and the second inductors are uniformly distributed at the bottom of the test board.

Further, the control device comprises a display screen, a switch button and a processor.

The utility model has the advantages that:

in practical application, a PCB to be tested is placed between the fixed block and the sliding block, the positioning assembly drives the sliding block to move and clamp the PCB to be tested, the testing motor drives the top testing table to rotate to be right above the PCB to be tested, and the thickness of the PCB can be measured by the first sensor at the bottom of the testing table and the second sensor in the middle of the base; the utility model discloses simple structure, convenient operation, work efficiency is high, and the testing result is accurate.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a sectional view of a left side view of the present invention;

FIG. 3 is a cross-sectional view taken at A-A in FIG. 2

The base 1 in the figure; a fixed block 2; a corresponding fixed table 21; the corresponding pressure sensor 22; a slide block 3; a fixed table 31; a pressure sensor 32; a positioning assembly 4; a positioning motor 41; a lead screw 42; a first inductor 5; a test bench 6; a rotating table 7; a rotating electric machine 71; a second inductor 8; a control device 9; a display screen 91; a switch button 92; a processor 93.

Detailed Description

As shown in fig. 1, 2 and 3, including base 1, just be provided with fixed block 2 and sliding block 3 on the base 1, fixed block 2 and sliding block 3 are equipped with revolving stage 7 with one side, sliding block 3 with be equipped with locating component 4 between the fixed block 2, the base 1 upper surface is provided with first inductor 5, first inductor 5 is located fixed block 2 with between the sliding block 3, the inside rotating electrical machines 71 that is equipped with of revolving stage 7, rotating electrical machines 71 output shaft drive is connected with testboard 6, the lower surface of testboard 6 is provided with second inductor 8, fixed block 2 one side is provided with controlling means 9, locating component 4 first inductor 5, rotating electrical machines 71 and the equal electricity of second inductor 8 is connected controlling means 9.

In practical application, a PCB to be tested is placed between the fixed block 2 and the sliding block 3, the positioning assembly 4 drives the sliding block 3 to move and clamp the PCB to be tested, the testing motor drives the top testing table 6 to rotate to be right above the PCB to be tested, and the thickness of the PCB can be measured by the first sensor 5 at the bottom of the testing table 6 and the second sensor 8 in the middle of the base 1; the utility model discloses simple structure, convenient operation, work efficiency is high, and the testing result is accurate.

As shown in fig. 1, 2 and 3, two sets of positioning assemblies 4 are provided, and the two sets of positioning assemblies 4 are respectively located at the left and right sides of the fixed block 2 and the sliding block 3; in this embodiment, two sets of locating component 4 simultaneous control sliding block 3 is flexible, just can guarantee that the slip process can not beat partially, makes the testing result more accurate.

As shown in fig. 1 and 2, the positioning assembly 4 includes a positioning motor 41 disposed in the fixed block 2, an output shaft of the positioning motor 41 horizontally extends and is fixedly connected with a lead screw 42, and the lead screw 42 is in threaded connection with the sliding block 3; in this embodiment, the positioning motor 41 drives the lead screw 42 to rotate, and the lead screw 42 drives the sliding block 3 to slide along the lead screw through the internal thread at the bottom of the sliding block 3.

As shown in fig. 1 and 2, a fixed table 31 is arranged on the sliding block 3, a corresponding fixed table 21 with equal height is arranged on the fixed block 2, a pressure sensor 32 and a corresponding pressure sensor 22 are respectively arranged on the fixed table 31 and the corresponding fixed table 21 in a facing manner, the pressure sensor 32 is arranged in parallel with the corresponding pressure sensor 22, and both the pressure sensor 32 and the corresponding pressure sensor 22 are electrically connected with the control device 9; in this embodiment, will await measuring the PCB board and put to between fixed block 2 and the sliding block 3, along with locating component 4's motion, will await measuring the PCB board and put to fixed station 31 and correspond fixed station 21 on in order to guarantee that the PCB board that awaits measuring is parallel with base 1 when detecting, pressure sensors 32 with correspond pressure sensors 22 and be used for responding to locating component 4 and press from both sides tightly, prevent to press from both sides the too much damage PCB board that awaits measuring of clamp.

As shown in fig. 2, there are at least two first inductors 5, and the plurality of first inductors 5 are uniformly distributed in the middle of the base 1; in this embodiment, a plurality of first inductors 5 equipartition in base 1 middle part, a plurality of first inductors 5 are to the PCB board lower part accurate positioning that awaits measuring, make controlling means 9's thickness calculate more accurate.

As shown in fig. 3, there are at least two second sensors 8, and the plurality of second sensors 8 are uniformly distributed at the bottom of the testing table 6; in this embodiment, 8 equipartitions of a plurality of second inductors are in 6 bottoms of testboard, and 8 accurate positioning of a plurality of second inductors are to the PCB board upper portion that awaits measuring, make controlling means 9 combine

first inductor

5 and 8 collection contents of second inductor to be more accurate to the calculation of thickness.

As shown in fig. 1 and 2, the control device 9 includes a display 91, a switch button 92, and a processor 93; in this embodiment, the display screen 91 is used for displaying the thickness detection result, and the processor 93 is used for combining the collected contents of the first sensor 5 and the second sensor 8 to accurately calculate the thickness of the PCB to be detected.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the described embodiments may be made by those skilled in the art without departing from the scope and spirit of the invention as defined by the accompanying claims.

Claims

1. The utility model provides a PCB plate thickness tester which characterized in that: comprises a base (1), a fixed block (2) and a sliding block (3) are arranged on the base (1) in a way of facing against each other, a rotating platform (7) is arranged on the same side of the fixed block (2) and the sliding block (3), a positioning component (4) is arranged between the sliding block (3) and the fixed block (2), a first inductor (5) is arranged on the upper surface of the base (1), the first inductor (5) is positioned between the fixed block (2) and the sliding block (3), a rotating motor (71) is arranged in the rotating platform (7), an output shaft of the rotating motor (71) is in driving connection with a test bench (6), a second inductor (8) is arranged on the lower surface of the test board (6), a control device (9) is arranged on one side of the fixed block (2), the positioning assembly (4), the first inductor (5), the rotating motor (71) and the second inductor (8) are all electrically connected with the control device (9).

2. The PCB board thickness tester of claim 1, wherein: the positioning assemblies (4) are two sets of positioning assemblies (4), and the two sets of positioning assemblies (4) are respectively located on the left side and the right side of the fixed block (2) and the sliding block (3).

3. The PCB board thickness tester of claim 1, wherein: the positioning assembly (4) comprises a positioning motor (41) arranged in the fixed block (2), an output shaft of the positioning motor (41) horizontally extends out of the fixedly connected lead screw (42), and the lead screw (42) is in threaded connection with the sliding block (3).

4. The PCB board thickness tester of claim 1, wherein: the sliding block (3) is provided with a fixed table (31), the fixed block (2) is provided with corresponding fixed tables (21) with the same height, the fixed table (31) and the corresponding fixed tables (21) are respectively provided with a pressure sensor (32) and a corresponding pressure sensor (22) in a right-to-right mode, the pressure sensors (32) and the corresponding pressure sensors (22) are arranged in parallel, and the pressure sensors (32) and the corresponding pressure sensors (22) are all electrically connected with the control device (9).

5. The PCB board thickness tester of claim 1, wherein: the number of the first inductors (5) is at least two, and the first inductors (5) are uniformly distributed in the middle of the base (1).

6. The PCB board thickness tester of claim 1, wherein: the number of the second inductors (8) is at least two, and the second inductors (8) are uniformly distributed at the bottom of the test board (6).

7. The PCB board thickness tester of claim 1, wherein: the control device (9) comprises a display screen (91), a switch button (92) and a processor (93).