Auxiliary device for testing printed circuit board

Abstract

The utility model provides an auxiliary device for testing a printed circuit board, which relates to the technical field of printing machines and comprises an auxiliary bottom plate, a telescopic transverse moving seat is fixedly mounted in the auxiliary bottom plate, a telescopic translation frame is fixedly mounted at the top end of the telescopic transverse moving seat, and a fixed rubber mat is fixedly mounted in the telescopic translation frame. And one end of the telescopic translation frame is rotationally connected with a magnifying observation mirror. Compared with the prior art, the supporting structure of the printed circuit board is provided with the transverse moving structure and the transverse moving structure, the transverse moving structure and the transverse moving structure are used for driving the magnifying lens to move, point positions on the circuit board are magnified and observed through the magnifying lens, the observation convenience of the testing point positions in the testing process of the circuit board is improved, and the testing efficiency is improved. And the test tool is driven to move through the transverse moving structure and the translation structure, so that test point positions on the circuit board can be accurately positioned, the test point positions can be conveniently found, and the accuracy of circuit board test can be effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of printing machines, in particular to an auxiliary device for testing a printed circuit board. Background Art

[0002] With the continuous advancement of science and technology, the use of circuit boards is becoming more and more widespread. After processing or before use, circuit boards are usually tested. However, ordinary users lack dedicated test equipment when testing circuit boards. Usually, they can only test the circuit boards with simple equipment such as multimeters. During the test process, the circuit boards are easy to move and the points on the circuit boards that need to be tested are small in size, making it inconvenient to operate. Therefore, auxiliary equipment is needed to assist users in testing the circuit boards.

[0003] However, existing test auxiliary devices are usually simple in structure, which is not convenient for accurately guiding the test points of the circuit board, is not conducive to the user to accurately find the test points, and is relatively inconvenient to use. Utility Model Content

[0004] Therefore, the purpose of the present invention is to provide an auxiliary device for testing a printed circuit board to solve the problems mentioned in the background art and overcome the shortcomings of the prior art.

[0005] In order to achieve the above-mentioned purpose, an embodiment of one aspect of the present invention provides an auxiliary device for testing a printed circuit board, comprising an auxiliary base plate, a circuit board positioning plate is fixedly installed on the top of the auxiliary base plate, a telescopic transverse seat is fixedly installed inside the auxiliary base plate, a telescopic translation frame is fixedly installed on the top of the telescopic transverse seat, a fixed rubber pad is fixedly installed inside the telescopic translation frame, one end of the telescopic translation frame is rotatably connected to a magnifying observation mirror, a laser calibrator is fixedly installed at the center of the magnifying observation mirror, the laser calibrator signal is connected to the main control board, and the main control board signal is connected to the laser ranging sensor.

[0006] Preferably, any of the above schemes is provided with a slide groove adapted to the circuit board positioning piece inside the auxiliary base plate, and movable grooves adapted to the telescopic transverse seat are provided on both sides of the slide groove, and the movable grooves are provided inside the auxiliary base plate.

[0007] The above technical solution is adopted: the printed circuit board is placed on the auxiliary base plate, so that the auxiliary base plate guides the circuit board positioning piece and the telescopic transverse seat.

[0008] Preferably, from any of the above schemes, the circuit board positioning piece includes a positioning spring and a positioning clamping plate, the positioning spring is fixedly installed inside the auxiliary base plate, and one end of the positioning spring is fixedly installed with a positioning clamping plate movably connected to the auxiliary base plate.

[0009] The above technical solution is adopted: when placing the printed circuit board, the positioning clamp is pressed to compress the positioning spring. After the printed circuit board is placed, the positioning clamp is released to clamp the printed circuit board under the action of the positioning spring.

[0010] Preferably, from any of the above schemes, the telescopic transverse seat includes a transverse motor, a driving screw and a sliding seat, the transverse motor is fixedly installed inside the auxiliary base plate, the output shaft of the transverse motor is fixedly installed with a driving screw rotatably connected to the auxiliary base plate, and the surface of the driving screw is threadedly connected to the sliding seat movably connected to the auxiliary base plate.

[0011] The above technical solution is adopted: according to the use requirements, the output power of the transverse motor is controlled to drive the driving screw to rotate, so that the driving screw drives the sliding seat to move inside the auxiliary base plate through thread transmission, and the sliding seat drives the telescopic translation frame to move to adjust the test positioning position.

[0012] Preferably, from any of the above schemes, the telescopic translation frame includes an electric telescopic rod and a translation seat, the electric telescopic rod is fixedly installed inside the sliding seat, one end of the electric telescopic rod is fixedly installed with a translation seat, and a fixing groove adapted to the fixed rubber pad is opened inside the translation seat.

[0013] The above technical solution is adopted: the electric telescopic rod is controlled to extend and retract according to the use requirements, so that the electric telescopic rod drives the translation seat to move, and the position of the translation seat is adjusted. Combined with the position adjustment of the sliding seat, the translation seat can be moved to the required position, and the test tool is inserted into the inside of the fixed rubber pad. The fixed rubber pad is used to clamp the test tool to improve the test accuracy.

[0014] Preferably, any of the above schemes is that a rotating seat rotatably connected to the telescopic translation frame is provided at one end of the magnifying observation mirror, a calibration fixing seat is provided in the middle of the magnifying observation mirror, and the laser calibrator is fixedly installed inside the calibration fixing seat.

[0015] The above technical solution is adopted: before adjusting the translation seat, rotate the magnifying observation mirror to a position parallel to the outside of the translation seat. The positioning on the printed circuit board can be observed through the magnifying observation mirror, and the points on the circuit board can be calibrated using a laser calibrator.

[0016] Preferably, any of the above schemes is that the laser ranging sensor is fixedly mounted on the translation seat and the sliding seat, and on one end of the sliding seat and the auxiliary base plate, and the laser ranging sensor is located between the translation seat and the sliding seat, and between the sliding seat and the auxiliary base plate.

[0017] The above technical solution is adopted: during the movement of the translation seat and the sliding seat, the positions of the translation seat and the sliding seat are detected by a laser ranging sensor, which facilitates accurate adjustment of the translation seat and the sliding seat.

[0018] Compared with the prior art, the advantages and beneficial effects of the present invention are as follows:

[0019] 1. A lateral movement structure and a translational movement structure are set on the support structure of the printed circuit board. The lateral movement structure and the translational movement structure are used to drive the magnifying glass to move. The points on the circuit board are magnified and observed through the magnifying glass, which improves the convenience of observing the test points during the circuit board test. The lateral movement structure and the translational movement structure are used to drive the test tool to move, so that the test points on the circuit board can be accurately located, which is convenient for finding the test points, thereby effectively improving the accuracy of the circuit board test.

[0020] 2. A movable positioning structure is set on both sides of the auxiliary support structure. The positioning structure can be used to clamp and position circuit boards of different sizes, thereby improving the stability of circuit board testing.

[0021] Additional aspects and advantages of the present invention will be given in part in the following description and in part will become apparent from the following description or learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The above and / or additional aspects and advantages of the present invention will become apparent and readily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0023] Figure 1 It is a structural schematic diagram according to an embodiment of the present utility model;

[0024] Figure 2 This is a schematic diagram of a top view of the structure according to an embodiment of the present utility model;

[0025] Figure 3 It is a schematic diagram of a partial structure according to an embodiment of the present utility model;

[0026] Figure 4 This is a structural diagram of a sliding seat according to an embodiment of the utility model;

[0027] Among them: 1- auxiliary base plate, 2- circuit board positioning piece, 21- positioning spring, 22- positioning splint, 3- telescopic transverse seat, 31- transverse motor, 32- driving screw, 33- sliding seat, 4- telescopic translation frame, 41- electric telescopic rod, 42- translation seat, 5- fixed rubber pad, 6- magnifying observation mirror, 7- laser calibrator, 8- laser ranging sensor. DETAILED DESCRIPTION

[0028] The present invention will be further described below in conjunction with the accompanying drawings, but the protection scope of the present invention is not limited to the following description.

[0029] like Figure 1-4 As shown, an auxiliary device for testing a printed circuit board according to an embodiment of the present invention comprises an auxiliary base plate 1, a circuit board positioning piece 2 is fixedly mounted on the top of the auxiliary base plate 1, a telescopic transverse seat 3 is fixedly mounted inside the auxiliary base plate 1, a telescopic translation frame 4 is fixedly mounted on the top of the telescopic transverse seat 3, a fixed rubber pad 5 is fixedly mounted inside the telescopic translation frame 4, one end of the telescopic translation frame 4 is rotatably connected to a magnifying observation mirror 6, a laser calibrator 7 is fixedly mounted at the center of the magnifying observation mirror 6, the laser calibrator 7 is signal-connected to the main control board, and the main control board is signal-connected to the laser ranging sensor 8.

[0030] Preferably, any of the above schemes has a slide groove inside the auxiliary base plate 1 that is compatible with the circuit board positioning piece 2 , and movable grooves that are compatible with the telescopic transverse seat 3 are opened on both sides of the slide groove, and the movable grooves are opened inside the auxiliary base plate 1 .

[0031] The above technical solution is adopted: the printed circuit board is placed on the auxiliary base plate 1, so that the auxiliary base plate 1 guides the circuit board positioning piece 2 and the telescopic transverse seat 3.

[0032] Preferably, from any of the above schemes, the circuit board positioning piece 2 includes a positioning spring 21 and a positioning clamp 22 , the positioning spring 21 is fixedly installed inside the auxiliary base plate 1 , and one end of the positioning spring 21 is fixedly installed with a positioning clamp 22 movably connected to the auxiliary base plate 1 .

[0033] With the above technical solution, when placing the printed circuit board, the positioning clamp 22 is pressed to compress the positioning spring 21 . After the printed circuit board is placed, the positioning clamp 22 is released to clamp the printed circuit board under the action of the positioning spring 21 .

[0034] Preferably, from any of the above schemes, the telescopic transverse seat 3 includes a transverse motor 31, a driving screw 32 and a sliding seat 33. The transverse motor 31 is fixedly installed inside the auxiliary base plate 1. The output shaft of the transverse motor 31 is fixedly installed with a driving screw 32 that is rotatably connected to the auxiliary base plate 1. The surface of the driving screw 32 is threadedly connected to the sliding seat 33 that is movably connected to the auxiliary base plate 1.

[0035] The above technical solution is adopted: according to the use requirements, the transverse motor 31 is controlled to output power to drive the driving screw 32 to rotate, so that the driving screw 32 drives the sliding seat 33 to move inside the auxiliary base plate 1 through thread transmission, and the sliding seat 33 drives the telescopic translation frame 4 to move, thereby adjusting the test positioning position.

[0036] Preferably, any of the above schemes is that the telescopic translation frame 4 includes an electric telescopic rod 41 and a translation seat 42, the electric telescopic rod 41 is fixedly installed inside the sliding seat 33, and the translation seat 42 is fixedly installed at one end of the electric telescopic rod 41, and a fixing groove adapted to the fixed rubber pad 5 is opened inside the translation seat 42.

[0037] The above technical solution is adopted: the electric telescopic rod 41 is controlled to extend and retract according to the use requirements, so that the electric telescopic rod 41 drives the translation seat 42 to move, and the position of the translation seat 42 is adjusted. Combined with the position adjustment of the sliding seat 33, the translation seat 42 can be moved to the required position, and the test tool is inserted into the interior of the fixed rubber pad 5. The fixed rubber pad 5 is used to clamp the test tool to improve the test accuracy.

[0038] Preferably, one end of the magnifying observation mirror 6 is provided with a rotating seat rotatably connected to the telescopic translation frame 4, the middle of the magnifying observation mirror 6 is provided with a calibration fixed seat, and the laser calibrator 7 is fixedly installed inside the calibration fixed seat.

[0039] The above technical solution is adopted: before adjusting the translation seat 42, rotate the magnifying observation mirror 6 to a position parallel to the outer side of the translation seat 42. The positioning on the printed circuit board can be observed through the magnifying observation mirror 6, and the point position on the circuit board can be calibrated using the laser calibrator 7.

[0040] Preferably, any of the above schemes is that the laser ranging sensor 8 is fixedly mounted on the translation seat 42 and the sliding seat 33 and the sliding seat 33 and one end of the auxiliary base plate 1, and the laser ranging sensor 8 is located between the translation seat 42 and the sliding seat 33 and the sliding seat 33 and the auxiliary base plate 1.

[0041] The above technical solution is adopted: during the movement of the translation seat 42 and the sliding seat 33, the positions of the translation seat 42 and the sliding seat 33 are detected by the laser ranging sensor 8, which facilitates accurate adjustment of the translation seat 42 and the sliding seat 33.

[0042] The utility model is an auxiliary device for testing a printed circuit board, and its working principle is as follows:

[0043] Press the positioning clamp 22, place the circuit board on the auxiliary base plate 1, and then release the positioning clamp 22. Turn the magnifying observation mirror 6 to a position parallel to the translation seat 42. Control the transverse motor 31 to drive the sliding seat 33 to move, and at the same time control the electric telescopic rod 41 to drive the translation seat 42 to move.

[0044] Compared with the prior art, the present invention has the following beneficial effects:

[0045] 1. A lateral movement structure and a translational movement structure are set on the support structure of the printed circuit board. The lateral movement structure and the translational movement structure are used to drive the magnifying glass to move. The points on the circuit board are magnified and observed through the magnifying glass, which improves the convenience of observing the test points during the circuit board test. The lateral movement structure and the translational movement structure are used to drive the test tool to move, so that the test points on the circuit board can be accurately located, which is convenient for finding the test points, thereby effectively improving the accuracy of the circuit board test.

[0046] 2. A movable positioning structure is set on both sides of the auxiliary support structure. The positioning structure can be used to clamp and position circuit boards of different sizes, thereby improving the stability of circuit board testing.

Claims

1. An auxiliary device for testing a printed circuit board, comprising an auxiliary base plate (1), a circuit board positioning piece (2) being fixedly mounted on the top of the auxiliary base plate (1), characterized in that: A telescopic transverse seat (3) is fixedly installed inside the auxiliary base plate (1), a telescopic translation frame (4) is fixedly installed on the top of the telescopic transverse seat (3), a fixed rubber pad (5) is fixedly installed inside the telescopic translation frame (4), one end of the telescopic translation frame (4) is rotatably connected to a magnifying observation mirror (6), a laser calibrator (7) is fixedly installed at the center of the magnifying observation mirror (6), the laser calibrator (7) is signal-connected to a main control board, and the main control board is signal-connected to a laser distance sensor (8).

2. The auxiliary device for testing a printed circuit board according to claim 1, wherein: A sliding groove adapted to the circuit board positioning piece (2) is provided inside the auxiliary base plate (1), and movable grooves adapted to the telescopic transverse seat (3) are provided on both sides of the sliding groove, and the movable grooves are provided inside the auxiliary base plate (1).

3. The auxiliary device for testing a printed circuit board according to claim 2, wherein: The circuit board positioning piece (2) comprises a positioning spring (21) and a positioning clamp (22); the positioning spring (21) is fixedly mounted inside the auxiliary base plate (1); one end of the positioning spring (21) is fixedly mounted with the positioning clamp (22) movably connected to the auxiliary base plate (1).

4. The auxiliary device for testing a printed circuit board according to claim 3, wherein: The telescopic transverse seat (3) includes a transverse motor (31), a driving screw (32) and a sliding seat (33); the transverse motor (31) is fixedly installed inside the auxiliary base plate (1); the output shaft of the transverse motor (31) is fixedly installed with a driving screw (32) that is rotatably connected to the auxiliary base plate (1); the surface of the driving screw (32) is threadedly connected to the sliding seat (33) that is movably connected to the auxiliary base plate (1).

5. The auxiliary device for testing a printed circuit board according to claim 4, wherein: The telescopic translation frame (4) comprises an electric telescopic rod (41) and a translation seat (42). The electric telescopic rod (41) is fixedly mounted inside the sliding seat (33). The translation seat (42) is fixedly mounted on one end of the electric telescopic rod (41). A fixing groove adapted to the fixing rubber pad (5) is provided inside the translation seat (42).

6. The auxiliary device for testing a printed circuit board according to claim 5, wherein: One end of the magnifying observation mirror (6) is provided with a rotating seat rotatably connected to the telescopic translation frame (4), the middle part of the magnifying observation mirror (6) is provided with a calibration fixed seat, and the laser calibrator (7) is fixedly installed inside the calibration fixed seat.

7. The auxiliary device for testing a printed circuit board according to claim 6, wherein: The laser distance measuring sensor (8) is fixedly mounted on the translation seat (42) and the sliding seat (33), and on one end of the sliding seat (33) and the auxiliary base plate (1); the laser distance measuring sensor (8) is located between the translation seat (42) and the sliding seat (33), and between the sliding seat (33) and the auxiliary base plate (1).

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