CN114994496A

CN114994496A - Modular circuit board testing device

Info

Publication number: CN114994496A
Application number: CN202210499472.0A
Authority: CN
Inventors: 张长明; 唐成华; 黄建国; 陈少华; 王波
Original assignee: SHENZHEN BOMIN ELECTRONIC CO Ltd
Current assignee: SHENZHEN BOMIN ELECTRONIC CO Ltd
Priority date: 2022-05-09
Filing date: 2022-05-09
Publication date: 2022-09-02

Abstract

The invention discloses a modularized circuit board testing device, belonging to the technical field of circuit board testing, comprising a testing machine, wherein the testing machine comprises a base and a testing platform, the base is arranged at the bottom of the testing machine, the testing platform is positioned at the center of the top of the base and provides a moving function through a moving component, so that a double-end shaft motor and a limiting frame are driven to move, a clamping rod can clamp and move a module circuit board, the module circuit board can be transferred to the testing platform for testing, the tested module circuit board can be clamped and placed in a collecting box again, the working efficiency of the module circuit board testing is improved, the error rate of manual operation is reduced, the labor force of workers is reduced after long-time work, a stepping motor is arranged to provide driving force to drive a second screw rod to rotate, a second screw can provide displacement for a clamping mechanism through a second screw sleeve, the working efficiency of the module circuit board test is enhanced.

Description

Modular circuit board testing device

Technical Field

The invention relates to the technical field of circuit board testing, in particular to a modular circuit board testing device.

Background

The purpose of detecting the circuit board is to find out and repair the defects of the circuit board, ensure the production quality of the circuit board and improve the product percent of pass, and the current circuit board detection methods can be divided into two categories: electrical test methods and visual test methods.

The existing circuit board user detection machine is manually placed for testing, the manual placement for testing is easy to cause that the placement position is not in place, so that the circuit board is tested by the testing machine to have errors, the qualification rate of circuit board detection is reduced, the test efficiency of the circuit board is reduced, and the cost of the circuit board is improved by long-term manual detection.

Disclosure of Invention

The invention aims to provide a modularized circuit board testing device, which can replace mechanical operation by manual operation in the circuit board detection process, reduce the error rate of a circuit board, and improve the working efficiency of circuit board detection so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a modularization circuit board testing arrangement, includes the test machine, the test machine includes base and testboard, the base sets up in the bottom of test machine, the testboard is located the center department at base top, the back bolt at base top has the fixed plate, the front of fixed plate is provided with removes the subassembly, the bottom bolt of removing the subassembly has the supporting seat, the supporting seat sets up to the L type, the equal fixedly connected with spacing in both sides of supporting seat, the surface of spacing is provided with fixture, the left side at base top is provided with places the platform, the top swing joint who places the platform places the board, place the module circuit board at the top of board.

Preferably, fixture includes double-end shaft motor, double-end shaft motor installs the surface at the supporting seat, the equal first lead screw of fixedly connected with of output shaft of double-end shaft motor, the surperficial threaded connection of first lead screw has first thread bush, the inboard swing joint of spacing has the movable rod, the one end of movable rod and the front bolt of first thread bush, the holding rod has been bolted to the other end of movable rod, the inboard of holding rod is provided with the insulating pad that uses with the cooperation of module circuit board.

Preferably, the movable assembly comprises a stepping motor, the stepping motor is arranged on the left side of the fixed plate, a book output shaft of the stepping motor is bolted with a second lead screw, the surface of the second lead screw is in threaded connection with a second threaded sleeve, two ends of the second lead screw are connected with a fixed seat in a rotating mode through bearings, and one side of the fixed seat is fixedly connected with the front of the fixed plate.

Preferably, place the platform and seted up the cavity, and the inner chamber bolt backup pad of cavity, the sliding sleeve has all been inlayed to the both sides on backup pad surface, the inner chamber swing joint of sliding sleeve has the activity post, the top of activity post and the bottom bolt of placing the board, compression spring has been cup jointed on the surface of activity post, compression spring's top and the bottom fixed connection of placing the board, compression spring's the other end and the top fixed connection of backup pad, the center department of backup pad bottom is provided with the driving piece, the driving piece is located the inner chamber of cavity and runs through the surface of backup pad.

Preferably, the top and the bottom of the movable rod are respectively bolted with a clamping block, and the other clamping block penetrates through the limiting frame and is bolted with a limiting plate.

Preferably, the back of the limiting frame is bolted with a limiting seat, and an output shaft of the double-head shaft motor is movably connected with a rotating sleeve embedded on the surface of the limiting seat.

Preferably, a collecting box is placed on the right side of the top of the base, and the height of the collecting box is lower than that of the test bench.

Compared with the prior art, the invention has the beneficial effects that:

1. the invention provides a modular circuit board testing device, which is provided with a moving component to provide a moving effect so as to drive a double-shaft motor and a limiting frame to move, can clamp and move a module circuit board by a clamping rod, can transfer the module circuit board to a test bench for testing, can clamp and place the tested module circuit board in a collecting box again, improves the working efficiency of testing the module circuit board, reduces the error rate of manual operation, and reduces the labor force of workers during long-time work.

2. The invention provides a modularized circuit board testing device, wherein a stepping motor is arranged to provide driving force to drive a second lead screw to rotate, so that the second lead screw can provide displacement for a clamping mechanism through a second threaded sleeve, the working efficiency of module circuit board testing is enhanced, a supporting plate is arranged to provide a compression buffering effect for a movable column and a compression spring, a driving piece is arranged to drive a placing plate to adjust the height, and the driving piece can provide the effect of adjusting the height of the placing plate when a module circuit board is transferred, so that a user can conveniently clamp the next module circuit board.

Drawings

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

FIG. 2 is a top view of the clamping mechanism of the present invention;

FIG. 3 is a sectional view of the structure of the placement table of the present invention;

FIG. 4 is a partial perspective view of the fixture structure of the present invention;

fig. 5 is an enlarged view of the invention at a in fig. 1.

Reference numbers in the figures: 1. a testing machine; 101. a base; 102. a test bench; 2. a fixing plate; 3. a moving assembly; 31. a stepping motor; 32. a second screw rod; 33. a second threaded sleeve; 34. a fixed seat; 4. a supporting seat; 5. a limiting frame; 6. a clamping mechanism; 61. a double-headed shaft motor; 62. a first lead screw; 63. a movable rod; 64. a first threaded sleeve; 65. a clamping rod; 66. an insulating pad; 7. a placing table; 8. placing the plate; 9. a module circuit board; 10. a support plate; 11. a sliding sleeve; 12. a movable post; 13. a compression spring; 14. a drive member; 15. a clamping block; 16. a limiting seat; 17. and (4) collecting the box.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The invention provides a modularized circuit board testing device as shown in figures 1-4, which comprises a testing machine 1, wherein the testing machine 1 comprises a base 101 and a testing platform 102, the base 101 is arranged at the bottom of the testing machine 1, the testing platform 102 is positioned at the center of the top of the base 101, the back surface of the top of the base 101 is bolted with a fixed plate 2, the front surface of the fixed plate 2 is provided with a moving component 3, the bottom of the moving component 3 is bolted with a supporting seat 4, the supporting seat 4 is arranged in an L shape, both sides of the supporting seat 4 are fixedly connected with a limiting frame 5, the surface of the limiting frame 5 is provided with a clamping mechanism 6, the left side of the top of the base 101 is provided with a placing platform 7, the top of the placing platform 7 is movably connected with a placing plate 8, the top of the placing plate 8 is provided with a module circuit board 9, the module circuit board 9 can be rapidly and effectively tested through the effects of the testing machine 1 and the testing platform 102, and the working speed of the module circuit board 9 is increased, the module circuit board 9 placed on the surface of the test bench 102 by the testing machine 1 is tested by its own probes, and the user can select the probes arranged differently according to the specific application of the probe according to the model of the module circuit board 9. For example, in the case that some circuit boards have grooves or blind grooves, for the detection of such positions, the needle head can be properly adjusted according to the actual detection distance and position thereof to achieve the test of the position of the area, and similarly, for the case that the board surface is a plane, the needle head can also be adjusted and detected according to the detected distance.

The clamping mechanism 6 comprises a double-end shaft motor 61, the double-end shaft motor 61 is installed on the surface of the supporting seat 4, the output shafts of the double-end shaft motor 61 are fixedly connected with first screw rods 62, the surface threads of the first screw rods 62 are connected with first thread sleeves 64, the inner side of the limiting frame 5 is movably connected with movable rods 63, one ends of the movable rods 63 are bolted with the front faces of the first thread sleeves 64, the other ends of the movable rods 63 are bolted with clamping rods 65, insulating pads 66 matched with the module circuit board 9 for use are arranged on the inner sides of the clamping rods 65, the movable components 3 are arranged to provide a moving effect, so that the double-end shaft motor 61 and the limiting frame 5 are driven to move, the clamping rods 65 can clamp and move the module circuit board 9, the module circuit board 9 can be transferred to a testing table 102 for testing, the work of manual taking side time measurement is replaced, and the position deviation prevention of the module circuit board 9 is avoided, and can place the centre gripping once more of the module circuit board 9 after the test in the collection box, improve the work efficiency of module circuit board 9 test, reduced manual operation's error rate simultaneously, long-time work has alleviateed staff's labour simultaneously.

The movable assembly 3 comprises a stepping motor 31, the stepping motor 31 is arranged on the left side of the fixing plate 2, a book output shaft of the stepping motor 31 is bolted with a second lead screw 32, the surface thread of the second lead screw 32 is connected with a second thread sleeve 33, both ends of the second lead screw 32 are connected with a fixing seat 34 through rotation of a bearing, one side of the fixing seat 34 is fixedly connected with the front side of the fixing plate 2, driving force is provided through the stepping motor 31 to drive the second lead screw 32 to rotate, the second lead screw can be enabled to provide displacement for the clamping mechanism 6 through the second thread sleeve 33, and the working efficiency of testing of the module circuit board 9 is enhanced.

The placing table 7 is provided with a cavity, the cavity of the cavity is bolted with a supporting plate 10, sliding sleeves 11 are embedded on two sides of the surface of the supporting plate 10, the inner cavity of the sliding sleeve 11 is movably connected with a movable column 12, the top of the movable column 12 is bolted with the bottom of the placing plate 8, a compression spring 13 is sleeved on the surface of the movable column 12, the top of the compression spring 13 is fixedly connected with the bottom of the placing plate 8, the other end of the compression spring 13 is fixedly connected with the top of the supporting plate 10, a driving part 14 is arranged at the center of the bottom of the supporting plate 10, the driving part 14 is positioned in the inner cavity of the cavity and penetrates through the surface of the supporting plate 10, the supporting plate 10 is provided with a compression buffering effect on the movable column 12 and the compression spring 13, the driving part 14 is arranged to drive the placing plate 8 to perform height adjustment, when the module circuit board 9 is transferred, thereby facilitating the user to clip the next module circuit board 9.

The top and the bottom of movable rod 63 all are bolted connection to fixture block 15, and another of fixture block 15 runs through spacing 5 and is bolted connection to the limiting plate, through the effect that sets up fixture block 15 and limiting plate, can drive clamping rod 65 to movable rod 63 and advance to provide stabilizing effect, prevents that clamping rod 65 from taking place to rock.

The back of the limiting frame 5 is bolted with a limiting seat 16, the output shaft of the double-end shaft motor 61 is movably connected with a rotating sleeve embedded on the surface of the limiting seat 16, and the supporting effect of the output shaft of the double-end shaft motor 61 on the first screw rod 62 is enhanced through the matching of the limiting seat 16.

The collection box 17 is placed on the right side of the top of the base 101, the height of the collection box 17 is lower than that of the test platform 102, the tested module circuit boards 9 can be collected under the action of the collection box, and a user can transfer the module circuit boards to the next process conveniently.

When the module circuit board testing device is used, firstly, a plurality of module circuit boards 9 are placed on the placing plate 8 by a worker, then the stepping motor 31 is opened to drive the second screw rod 32 to rotate, then the second screw rod 32 drives the second thread sleeve 33 to move, then the second thread sleeve 33 drives the supporting seat 4 to move, then the supporting seat 4 is moved to the position clamped by the module circuit boards 9, then the first screw rod 62 is driven to rotate by the double-head shaft motor 61, so that the first screw rod 62 drives the first thread sleeve 64 to move, the movable rod 63 is provided with limiting sliding by the limiting frame 5, then the movable rod 63 drives the clamping rod 65 to clamp the module circuit boards 9, the clamped module circuit boards 9 are protected by the insulating pads 66, then the module circuit boards 9 are transferred to the testing platform 102 and are tested by the testing machine 1, after the testing of the module circuit boards 9 is finished, the centre gripping operation of the same reason, transfer the module circuit board 9 on the testboard 102 to the collection case, cycle operation in proper order, drive simultaneously through driving piece 14 and place board 8 and carry out the altitude mixture control to remaining module circuit board 9, the clamping rod 65 of being convenient for is adjusted, has replaced the manual work to module circuit board 9 operation test, has improved the work efficiency of module circuit board 9 test.

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

Claims

1. The utility model provides a modularization circuit board testing arrangement, includes test machine (1), its characterized in that: the testing machine (1) comprises a base (101) and a testing platform (102), the base (101) is arranged at the bottom of the testing machine (1), the test bench (102) is positioned at the center of the top of the base (101), the back of the top of the base (101) is bolted with a fixed plate (2), the front surface of the fixed plate (2) is provided with a movable component (3), the bottom of the movable component (3) is bolted with a supporting seat (4), the supporting seat (4) is L-shaped, both sides of the supporting seat (4) are fixedly connected with limiting frames (5), the surface of the limiting frame (5) is provided with a clamping mechanism (6), the left side of the top of the base (101) is provided with a placing table (7), the top of the placing table (7) is movably connected with a placing plate (8), and a module circuit board (9) is placed on the top of the placing plate (8).

2. The modular wiring board testing device of claim 1, wherein: fixture (6) are including double-end shaft motor (61), install the surface at supporting seat (4) double-end shaft motor (61), the first lead screw (62) of the equal fixedly connected with of output shaft of double-end shaft motor (61), the surperficial threaded connection of first lead screw (62) has first thread bush (64), the inboard swing joint of spacing (5) has movable rod (63), the front bolt of the one end of movable rod (63) and first thread bush (64), the other end bolt of movable rod (63) has supporting rod (65), the inboard of supporting rod (65) is provided with insulating pad (66) of using with module circuit board (9) cooperation.

3. The modular wiring board testing device of claim 1, wherein: remove subassembly (3) including step motor (31), step motor (31) set up in the left side of fixed plate (2), the book output shaft bolt joint of step motor (31) has second lead screw (32), the surperficial threaded connection of second lead screw (32) has second thread bush (33), the both ends of second lead screw (32) all are rotated through the bearing and are connected with fixing base (34), the positive fixed connection of one side and fixed plate (2) of fixing base (34).

4. The modular wiring board testing device of claim 1, wherein: place platform (7) and seted up the cavity, and the inner chamber bolt backup pad (10) of cavity, sliding sleeve (11) have all been inlayed to the both sides on backup pad (10) surface, the inner chamber swing joint of sliding sleeve (11) has movable post (12), the top of activity post (12) and the bottom bolt of placing board (8) connect, compression spring (13) have been cup jointed on the surface of activity post (12), the top of compression spring (13) and the bottom fixed connection of placing board (8), the other end of compression spring (13) and the top fixed connection of backup pad (10), the center department of backup pad (10) bottom is provided with driving piece (14), driving piece (14) are located the inner chamber of cavity and run through the surface of backup pad (10).

5. A modular circuit board testing device according to claim 2, wherein: the top and the bottom of the movable rod (63) are respectively bolted with a clamping block (15), and the other clamping block (15) penetrates through the limiting frame (5) and is bolted with a limiting plate.

6. A modular circuit board testing device according to claim 2, wherein: the back of the limiting frame (5) is bolted with a limiting seat (16), and the output shaft of the double-head shaft motor (61) is movably connected with a rotating sleeve embedded on the surface of the limiting seat (16).

7. The modular wiring board testing device of claim 1, wherein: a collecting box (17) is placed on the right side of the top of the base (101), and the height of the collecting box (17) is lower than that of the test bench (102).