CN216558820U - Novel detection of detection circuitry board device - Google Patents
Novel detection of detection circuitry board device Download PDFInfo
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- CN216558820U CN216558820U CN202220151142.8U CN202220151142U CN216558820U CN 216558820 U CN216558820 U CN 216558820U CN 202220151142 U CN202220151142 U CN 202220151142U CN 216558820 U CN216558820 U CN 216558820U
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Abstract
The utility model discloses a novel detection device for a circuit board, wherein an L plate (3) is arranged on the bottom surface of a workbench (1), a vertical plate of the L plate (3) is fixedly arranged on the bottom surface of the workbench (1), a lifting cylinder (4) is fixedly arranged on a horizontal plate of the L plate (3), a positioning column (5) and a conical table (6) are fixedly arranged on the action end of a piston rod of the lifting cylinder (4) in sequence, the positioning column (5) slides upwards to penetrate through the workbench (1), detection units (7) are arranged on four edges of the table top of the workbench (1), the detection unit (7) on the left side and the detection unit (7) on the right side are oppositely arranged on the left side and the right side, and the detection unit (7) on the front side and the detection unit (7) on the rear side are oppositely arranged. The beneficial effects of the utility model are: compact structure, improvement through-hole position detection precision, improvement through-hole position detection efficiency, easy operation.
Description
Technical Field
The utility model relates to the technical field of hole position detection on a circuit board, in particular to a novel detection device for detecting the circuit board.
Background
The multilayer circuit board is formed by a plurality of circuit boards through hot pressing, and after the multilayer circuit board is formed through hot pressing, through holes in each layer of circuit board are required to be aligned, if dislocation occurs between the through holes, the multilayer circuit board can be short-circuited after electroplating is finished, and therefore the production quality of the multilayer circuit board is greatly reduced. Therefore, before the lamination, the positions of the through holes (19) on the circuit boards (18) forming the multilayer circuit board are required to be consistent, wherein the structure of the circuit boards (18) is shown in figures 1-2.
After drilling of a certain number of circuit boards with the same overall dimension is finished, a quality inspection worker needs to position through holes (19) in each circuit board (18), and the existing hole position detection method comprises the following steps: firstly, a worker places a standard circuit board on a detection table, then flatly places a circuit board to be detected on the top surface of the standard circuit board, then respectively aligns four outer end faces of the circuit board to be detected with four outer end faces of the standard circuit board, and finally, the worker observes whether a through hole of the circuit board to be detected is aligned with a through hole (19) in the standard circuit board or not, and if the through hole is aligned, the position of the through hole in the circuit board to be detected is judged to meet the requirement, and the through hole is a qualified product; if the through holes are not parallel and level, the positions of the through holes on the detected circuit boards are judged to be not in accordance with the requirements, deviation occurs, and the through holes are unqualified products, and the holes on the circuit boards processed in the mode are detected one by repeating the operation.
However, although this detection method can detect the circuit board with the unsatisfactory hole position, in the actual use process, the workers in the workshop often have the following problems: 1. the aperture of the through hole (19) is small and is only 0.4-0.8 cm generally, the outline in the through hole is difficult to see through visual observation, the false detection condition often occurs, namely the unqualified product is judged to be a qualified product, and the technical defect of low detection precision exists. 2. The worker needs to align the four outer end faces of the circuit board to be detected with the four corresponding outer end faces of the standard circuit board, which undoubtedly increases the positioning time and further reduces the detection efficiency. Therefore, a detection device that improves the accuracy and efficiency of detecting the position of the through hole is needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provides a novel detection device for detecting a circuit board, which has the advantages of compact structure, improvement on the detection precision and the detection efficiency of the position of a through hole and simplicity in operation.
The purpose of the utility model is realized by the following technical scheme: a novel detection device for detecting a circuit board comprises two positioning plates fixedly arranged on the surface of a workbench, the space between the two positioning plates is equal to the longitudinal width of the circuit board, an L plate is arranged on the bottom surface of the workbench, a vertical plate of the L plate is fixedly arranged on the bottom surface of the workbench, a lifting cylinder is fixedly arranged on a horizontal plate of the L plate, a positioning column and a conical table are sequentially and fixedly arranged on the action end of a piston rod of the lifting cylinder, the outer diameter of the positioning column is equal to the diameter of a through hole on the circuit board, the positioning column slides upwards to penetrate through the workbench, detection units are arranged on the four edges of the surface of the workbench, the detection unit on the left side and the detection unit on the right side are oppositely arranged on the left side and the right side, the detection unit on the front side and the detection unit on the rear side are oppositely arranged, the detection unit on the left side comprises a support and a feeding cylinder, and the support is fixedly arranged on the surface of the workbench, the cylinder of feeding cylinder sets firmly on the support, has set firmly the fixed plate on feeding cylinder's the piston rod, and slidable mounting has the square bar on the fixed plate, and the right-hand member portion of square bar has set firmly the clamp plate, and the cover is equipped with the spring on the square bar, and the one end of spring sets firmly on the clamp plate, and the other end sets firmly on the fixed plate, installs displacement sensor on the left end face of clamp plate.
The positioning column and the conical table are coaxially arranged, and the diameter of the large end face of the conical table is equal to the outer diameter of the positioning column.
The detection unit positioned on the rear side is arranged on the left side of the positioning plate on the rear side.
The fixed plate is provided with a square hole matched with the square rod, and the square rod is slidably arranged in the square hole.
The bottom surface of the workbench is fixedly provided with a plurality of supporting legs supported on the ground.
The top of support sets firmly has the platform, feed cylinder sets firmly on the top surface of platform.
The device also comprises a controller, wherein the output interfaces of the displacement sensors on the four detection units are connected with the input interface of the controller through signal lines, and the controller is also electrically connected with the electromagnetic valve of each feeding cylinder.
The utility model has the following advantages: compact structure, improvement through-hole position detection precision, improvement through-hole position detection efficiency, easy operation.
Drawings
FIG. 1 is a schematic diagram of a circuit board;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a schematic structural view of the present invention;
FIG. 4 is a top view of FIG. 3;
FIG. 5 is a schematic structural diagram of a detection unit;
FIG. 6 is a top view of FIG. 5;
FIG. 7 is a schematic cross-sectional view of a square bar;
FIG. 8 is a schematic diagram of positioning a standard circuit board and a circuit board to be tested;
FIG. 9 is a top view of FIG. 8;
FIG. 10 is an enlarged view of a portion I of FIG. 8;
FIG. 11 is a schematic view of a pressing plate pressing on the outer end face of a circuit board to be tested;
FIG. 12 is an enlarged partial view of section II of FIG. 11;
in the figure, 1-a workbench, 2-a positioning plate, 3-an L plate, 4-a lifting cylinder, 5-a positioning column, 6-a conical table, 7-a detection unit, 8-a support, 9-a feeding cylinder, 10-a fixing plate, 11-a square rod, 12-a pressing plate, 13-a spring, 14-a displacement sensor, 15-a square hole, 16-a standard circuit board, 17-a circuit board to be detected, 18-a circuit board and 19-a through hole.
Detailed Description
The utility model will be further described with reference to the accompanying drawings, without limiting the scope of the utility model to the following:
as shown in figures 3-7, a novel detection device for detecting a circuit board comprises two positioning plates 2 fixedly arranged on the table-board of a workbench 1, a plurality of support legs supported on the ground are fixedly arranged on the bottom surface of the workbench 1, the space between the two positioning plates 2 is equal to the longitudinal width of the circuit board, an L-shaped plate 3 is arranged on the bottom surface of the workbench 1, a vertical plate of the L-shaped plate 3 is fixedly arranged on the bottom surface of the workbench 1, a lifting cylinder 4 is fixedly arranged on a horizontal plate of the L-shaped plate 3, a positioning column 5 and a conical table 6 are sequentially and fixedly arranged on the action end of a piston rod of the lifting cylinder 4, the positioning column 5 and the conical table 6 are coaxially arranged, the diameter of the large end surface of the conical table 6 is equal to the outer diameter of the positioning column 5, the outer diameter of the positioning column 5 is equal to the diameter of a through hole on the circuit board, the positioning column 5 is arranged to slide upwards to penetrate through the workbench 1, detection units 7 are arranged on the table-board and positioned on four edges of the workbench 1, left detecting element 7 and the detecting element 7 on right side are controlled and are set up relatively, the detecting element 7 of front side sets up relatively with the detecting element 7 of rear side, the detecting element 7 that is located the rear side sets up in the left side of the locating plate 2 of rear side, left detecting element 7 includes support 8 and feed cylinder 9, support 8 sets firmly on the mesa of workstation 1, feed cylinder 9's cylinder sets firmly on support 8, fixed plate 10 has set firmly on feed cylinder 9's the piston rod, slidable mounting has square beam 11 on the fixed plate 10, the right-hand member portion of square beam 11 has set firmly clamp plate 12, the cover is equipped with spring 13 on the square beam 11, spring 13's one end sets firmly on clamp plate 12, the other end sets firmly on fixed plate 10, install displacement sensor 14 on clamp plate 12's the left end face.
The fixed plate 10 is provided with a square hole 15 matched with the square rod 11, and the square rod 11 is slidably arranged in the square hole 15. The top of the support 8 is fixedly provided with a platform, and the feeding cylinder 9 is fixedly arranged on the top surface of the platform. The device also comprises a controller, wherein the output interfaces of the displacement sensors 14 on the four detection units 7 are connected with the input interface of the controller through signal lines, the controller is also electrically connected with the electromagnetic valves of the feeding cylinders 9, the displacement sensors 14 can be cleared through the controller, and simultaneously, displacement signals sent to the displacement sensors 14 by the displacement sensors can be displayed on the controller.
The working process of the utility model is as follows:
s1, placing the worker standard circuit board 16 between the two positioning plates 2, supporting the standard circuit board 16 on the table top of the workbench 1, and sleeving the through hole 19 of the standard circuit board 16 on the positioning column 5, so that the standard circuit board 16 is positioned as shown in figures 8-10, and the cone-shaped table 6 is just positioned in the through hole 19 of the standard circuit board 16;
s2, a worker places the first circuit board 17 to be detected between the two positioning plates 2, and the left and right outer end faces of the circuit board 17 to be detected are flush with the left and right outer end faces of the standard circuit board 16, respectively, thereby positioning the circuit board 17 to be detected as shown in fig. 8-10; therefore compare traditional locate mode, need not all to align four terminal surfaces of circuit board, but only align about two outer terminal surfaces can, very big work intensity that has alleviateed the workman, very big improvement detection efficiency simultaneously.
S3, controlling a piston rod of a feeding cylinder 9 of the left detection unit 7 to extend rightwards by a worker, driving a fixing plate 10, a pressing plate 12 and a displacement sensor 14 to move rightwards synchronously by the piston rod, when the piston rod extends completely, just pressing the right end face of the pressing plate 12 on the left end face of a circuit board 17 to be detected as shown in figures 11-12, and clearing the displacement sensor 14 on the left detection unit 7; similarly, the pressing plate 12 of the right detection unit 7 is pressed on the right end face of the circuit board 17 to be detected, the pressing plate 12 of the front detection unit 7 is pressed on the front end face of the circuit board 17 to be detected, the pressing plate 12 of the rear detection unit 7 is pressed on the rear end face of the circuit board 17 to be detected, and the other three displacement sensors 14 are cleared on the controller;
s4, a worker controls a piston rod of the lifting cylinder 4 to extend upwards, the piston rod drives the positioning column 5 and the conical table 6 to move upwards synchronously, the conical table 6 penetrates through a through hole 19 of a standard circuit board 16 upwards and then enters the through hole 19 of the circuit board 17 to be detected, and then the positioning column 5 enters the through hole 19 of the circuit board 17 to be detected; if one of the displacement sensors 14 sends a displacement signal to the controller, it indicates that the position of the through hole 19 on the circuit board 17 to be detected does not meet the requirement, that is, the circuit board is an unqualified product, and at this time, the worker removes the circuit board, wherein the displacement signal is generated by: when the conical table 6 enters the through hole 19 of the unqualified circuit board, the conical surface of the conical table 6 pushes the inner wall of the through hole 19 to move, so that the circuit board to be detected moves in the horizontal plane, the pressing plate 12 is pushed to move, the pressing plate 12 drives the displacement sensor 14 to move, and after the displacement sensor 14 moves, a displacement signal is sent to the controller;
and S5, the worker repeats the operation of the step S4, and the positions of the through holes 19 on the circuit boards can be continuously detected.
In the detection process of step S4, it is not necessary to manually observe with naked eyes whether the through hole 19 in the standard circuit board 16 is flush with the through hole 19 in the circuit board 17 to be detected, but the displacement sensor 14 can judge more accurately, so that the detection accuracy of the position of the through hole on the circuit board is greatly improved, and the detection accuracy is high.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a novel detect detection of circuit board device which characterized in that: the device comprises two positioning plates (2) fixedly arranged on the table top of a workbench (1), the distance between the two positioning plates (2) is equal to the longitudinal width of a circuit board, an L plate (3) is arranged on the bottom surface of the workbench (1), a vertical plate of the L plate (3) is fixedly arranged on the bottom surface of the workbench (1), a lifting cylinder (4) is fixedly arranged on a horizontal plate of the L plate (3), a positioning column (5) and a conical table (6) are sequentially and fixedly arranged on the action end of a piston rod of the lifting cylinder (4), the outer diameter of the positioning column (5) is equal to the diameter of a through hole on the circuit board, the positioning column (5) slides upwards to penetrate through the workbench (1), detection units (7) are arranged on the table top of the workbench (1) and positioned on four sides of the workbench (1), the left detection unit (7) and the right detection unit (7) are oppositely arranged left and right, the detection unit (7) on the front side is oppositely arranged with the detection unit (7) on the rear side, left detecting element (7) are including support (8) and feed cylinder (9), support (8) set firmly on the mesa of workstation (1), the cylinder of feeding cylinder (9) sets firmly on support (8), fixed plate (10) have set firmly on the piston rod of feeding cylinder (9), slidable mounting has square bar (11) on fixed plate (10), the right-hand member portion of square bar (11) has set firmly clamp plate (12), the cover is equipped with spring (13) on square bar (11), the one end of spring (13) sets firmly on clamp plate (12), the other end sets firmly on fixed plate (10), install displacement sensor (14) on the left end face of clamp plate (12).
2. The novel detection device for detecting the circuit board according to claim 1, wherein: the positioning column (5) and the conical table (6) are coaxially arranged, and the diameter of the large end face of the conical table (6) is equal to the outer diameter of the positioning column (5).
3. The novel detection device for detecting the circuit board according to claim 1, wherein: the detection unit (7) positioned at the rear side is arranged at the left side of the positioning plate (2) at the rear side.
4. The novel detection device for detecting the circuit board according to claim 1, wherein: the fixed plate (10) is provided with a square hole (15) matched with the square rod (11), and the square rod (11) is slidably arranged in the square hole (15).
5. The novel detection device for detecting the circuit board according to claim 1, wherein: the bottom surface of the workbench (1) is fixedly provided with a plurality of supporting legs supported on the ground.
6. The novel detection device for detecting the circuit board according to claim 1, wherein: the top of the support (8) is fixedly provided with a platform, and the feeding cylinder (9) is fixedly arranged on the top surface of the platform.
7. The novel detection device for detecting the circuit board according to claim 1, wherein: the device also comprises a controller, output interfaces of displacement sensors (14) on the four detection units (7) are connected with input interfaces of the controller through signal lines, and the controller is also electrically connected with electromagnetic valves of the feeding cylinders (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220151142.8U CN216558820U (en) | 2022-01-20 | 2022-01-20 | Novel detection of detection circuitry board device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220151142.8U CN216558820U (en) | 2022-01-20 | 2022-01-20 | Novel detection of detection circuitry board device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216558820U true CN216558820U (en) | 2022-05-17 |
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ID=81563180
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220151142.8U Active CN216558820U (en) | 2022-01-20 | 2022-01-20 | Novel detection of detection circuitry board device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216558820U (en) |
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2022
- 2022-01-20 CN CN202220151142.8U patent/CN216558820U/en active Active
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