PCB testing device

Abstract

The utility model discloses a PCB testing device which comprises an upper box body (1), a lower box body (2), a testing mechanism (5) and a lifting mechanism (4) provided with a lifting rod (414). The upper box body (1) is fixed at the top of the lower box body (2); a control circuit module and a control switch assembly (3) are arranged in the lower box body (2); the testing mechanism (5) is arranged in the upper box body (1); the lifting mechanism (4) is arranged in the lower box body (2); the lifting rod (414) is connected with the testing mechanism (5); and the testing mechanism (5), the lifting mechanism (4) and the control switch assembly (3) are all electrically connected with the control circuit module. According to the PCB testing device disclosed by the utility model, all testing points can be tested at one time, and the testing efficiency is high.

Description

Technical Field

[0001] The utility model belongs to the technical field of PCB, in particular to a PCB board testing device. Background Art

[0002] PCB, also known as printed circuit board, is the provider of electrical connections for electronic components. At present, when testing the test points of PCB, the tester's probe is pressed against the corresponding test points manually to test them one by one, which is inefficient and affects the test efficiency. Utility Model Content

[0003] The utility model aims to provide a PCB board testing device.

[0004] The utility model provides a PCB board testing device, comprising an upper box (1), a lower box (2), a testing mechanism (5) and a lifting mechanism (4) provided with a lifting rod (414); the upper box (1) is fixed on the top of the lower box (2); a control circuit module and a control switch assembly (3) are provided in the lower box (2); the testing mechanism (5) is arranged in the upper box (1); the lifting mechanism (4) is arranged in the lower box (2); the lifting rod (414) is connected to the testing mechanism (5); the testing mechanism (5), the lifting mechanism (4) and the control switch assembly (3) are all electrically connected to the control circuit module.

[0005] Preferably, the testing mechanism (5) comprises a first movable plate (54) and a plurality of groups of testing probes (52); the upper box body (1) comprises a first box cover (11) and four groups of first side plates (12); the plurality of groups of testing probes (52) are vertically fixed on the inner wall of the first box cover (11); and a placement groove is provided on the top of the first movable plate (54).

[0006] Preferably, the testing mechanism (5) further comprises a second movable plate (51), four groups of springs (55) and two groups of guide columns (53); the lower box body (2) comprises a second box cover (21); the second box cover (21) is provided with four groups of first through holes; the second movable plate (51) is arranged below the first movable plate (54); the four groups of springs (55) are arranged between the first movable plate (54) and the second movable plate (51); the bottom ends of the two groups of guide columns (53) are fixed to the top of the second movable plate (51), and the other ends pass through the first movable plate (54); one end of the lifting rod (414) passes through the first through hole and is fixed to the bottom of the second movable plate (51).

[0007] Preferably, the lifting mechanism (4) further comprises a first lifting component (41); the first lifting component (41) further comprises a first rotating shaft (412), two first bearing seats (413) provided with first bearings; two groups of sleeves (415) and two first gears (411); the sleeve (415) is fixed on the inner wall of the second box cover (21) and is coaxially arranged with the first through hole; the two first bearing seats (413) are both fixed on the inner wall of the second box cover (21); two first bearings are respectively passed through the two ends of the first rotating shaft (412) and are respectively fixed to the two first gears (411); the lifting rod (414) is four groups; the lifting rod (414) is provided with meshing teeth; the other end of the lifting rod (414) is passed through the sleeve (415) and meshes with the first gear (411).

[0008] Preferably, the lifting mechanism (4) further comprises a second rotating shaft (43), two groups of second bearing seats (42) provided with second bearings and a first motor (44); the first lifting assembly (41) further comprises a second gear (416); the second gear (416) is sleeved on the first rotating shaft (412); the two groups of the second bearing seats (42) and the first motor (44) are both fixed on the inner wall of the second box cover (21); the second rotating shaft (43) is provided with teeth near its two ends; the second rotating shaft (43) is vertically arranged with the first rotating shaft (412); one end of the second rotating shaft (43) is meshed with the second gear (416); the second rotating shaft (43) and the first motor (44) are transmission connected.

[0009] Preferably, the lifting mechanism (4) further comprises a second lifting assembly; the structure of the second lifting assembly is the same as the structure of the first lifting assembly (41); the second lifting assembly is engaged at the other end of the second rotating shaft (43) and is symmetrically arranged with the first lifting assembly (41).

[0010] Preferably, the lower box body (2) further comprises a front panel (24), two groups of second side panels (22), a rear wall panel (25) and a bottom panel (23); the control switch assembly (3) comprises an emergency stop switch (31) and two groups of start switches (32); the emergency stop switch (31) and the two groups of start switches (32) are both mounted on the front panel (24); the emergency stop switch (31) and the two groups of start switches (32) are both connected to the control circuit module circuit.

[0011] Preferably, the rear wall plate (25) is equipped with a power interface (6) and a data interface.

[0012] Preferably, the first box cover (11) is hinged to one of the first side panels (12) of the four groups; and the second box cover (21) is hinged to the rear wall panel (25).

[0013] The PCB board testing device provided by the utility model only requires an operator to place the test PCB board into the testing mechanism (5) in the upper box (1), and the technician only requires an operator to operate the control circuit switch, which is simple to operate. The PCB board testing device provided by the embodiment can test all test points at one time, and the test efficiency is high. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 A schematic diagram of the three-dimensional structure of the PCB board testing device provided by the utility model;

[0015] Figure 2 This is a schematic diagram of the structure of the PCB board testing device provided by the utility model after the lower box is opened;

[0016] Figure 3 A schematic diagram of the cross-sectional structure of the PCB board testing device provided by the utility model;

[0017] Figure 4 This is a schematic diagram of the front view structure of the PCB board testing device provided by the utility model;

[0018] Figure 5 for Figure 4 A schematic diagram of the cross-sectional structure along the cutting line AA;

[0019] Figure 6 A schematic diagram of the structure of the lifting mechanism and the second box cover provided in the embodiment of the utility model;

[0020] Figure 7 for Figure 6 An enlarged schematic diagram of the structure of section A in FIG. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] like Figure 1-Figure 7As shown, the PCB board testing device provided in this embodiment includes an upper box body 1, a lower box body 2, a testing mechanism 5 and a lifting mechanism 4 provided with a lifting rod 414; the upper box body 1 is fixed on the top of the lower box body 2; the lower box body 2 is provided with a control circuit module (not shown in the figure) and a control switch assembly 3; the testing mechanism 5 is arranged in the upper box body 1; the lifting mechanism 4 is arranged in the lower box body 2; the lifting rod 414 is connected to the testing mechanism 5; the testing mechanism 5 and the lifting mechanism 4 and the control switch assembly 3 are all electrically connected to the control circuit module. It can be understood by those skilled in the art that the operator only needs to place the test PCB board into the testing mechanism 5 in the upper box body 1, and the technician only needs to operate the control circuit switch, which is simple to operate. The PCB board testing device provided in this embodiment can test all the test points at one time, and the test efficiency is high.

[0023] Further, the test mechanism 5 includes a first movable plate 54 and multiple groups of test probes 52; the upper box body 1 includes a first box cover 11 and four groups of first side plates 12; multiple groups of test probes 52 are vertically fixed on the inner wall of the first box cover 11; a placement groove is provided on the top of the first movable plate 54. Those skilled in the art can understand that the technician places the test PCB board into the placement groove and then closes the first box cover 11.

[0024] Further, the test mechanism 5 also includes a second movable plate 51, four groups of springs 55 and two groups of guide posts 53; the lower box body 2 includes a second box cover 21; the second box cover 21 is provided with four groups of first through holes (not shown in the figure); the second movable plate 51 is arranged below the first movable plate 54; the four groups of springs 55 are arranged between the first movable plate 54 and the second movable plate 51; the bottom ends of the two groups of guide posts 53 are fixed to the top of the second movable plate 51, and the other ends are passed through the first movable plate 54; one end of the lifting rod 414 is passed through the first through hole and fixed to the bottom of the second movable plate 51. Those skilled in the art can understand that the lifting and lowering of the lifting rod 414 drives the lifting and lowering of the second movable plate 51 and the first movable plate 54, thereby realizing the connection between the test probe 52 and the test PCB board, and the four groups of springs 55 can realize the elastic contact between the test PCB board and the test probe 52.

[0025] Further, the lifting mechanism 4 also includes a first lifting assembly 41; the first lifting assembly 41 also includes a first rotating shaft 412, two first bearing seats 413 provided with first bearings; two sets of sleeves 415 and two first gears 411; the sleeve 415 is fixed on the inner wall of the second box cover 21 and is coaxially arranged with the first through hole; the two first bearing seats 413 are both fixed on the inner wall of the second box cover 21; the two ends of the first rotating shaft 412 are respectively penetrated with the two first bearings and are respectively fixed with the two first gears 411; the lifting rods 414 are four groups; the lifting rods 414 are provided with meshing teeth; the other end of the lifting rods 414 is penetrated with the sleeves 415 and meshed with the first gears 411. Those skilled in the art can understand that the lifting and lowering of the two sets of lifting rods 414 can be controlled simultaneously by the rotation of the first rotating shaft 412.

[0026] Further, the lifting mechanism 4 also includes a second rotating shaft 43, two sets of second bearing seats 42 provided with second bearings, and a first motor 44; the first lifting assembly 41 also includes a second gear 416; the second gear 416 is sleeved on the first rotating shaft 412; the two sets of the second bearing seats 42 and the first motor 44 are fixed on the inner wall of the second box cover 21; the second rotating shaft 43 is provided with teeth near its two ends; the second rotating shaft 43 is vertically arranged with the first rotating shaft 412; one end of the second rotating shaft 43 is meshed with the second gear 416; the second rotating shaft 43 is connected to the first motor 44 in a transmission manner. Those skilled in the art can understand that the rotation of the motor drives the second rotating shaft 43 to rotate forward and reverse, thereby realizing the lifting function of the lifting rod 414.

[0027] Furthermore, the lifting mechanism 4 further includes a second lifting assembly; the structure of the second lifting assembly is the same as that of the first lifting assembly 41; the second lifting assembly is engaged with the other end of the second rotating shaft 43 and is symmetrically arranged with the first lifting assembly 41. The two sets of lifting assemblies can improve the lifting stability of the second movable plate 51, thereby improving the accuracy of PCB board measurement.

[0028] Furthermore, the lower box body 2 also includes a front panel 24, two groups of second side panels 22, a rear wall panel 25 and a bottom panel 23; the control switch assembly 3 includes an emergency stop switch 31 and two groups of start switches 32; the emergency stop switch 31 and the two groups of start switches 32 are both assembled on the front panel 24; the emergency stop switch 31 and the two groups of start switches 32 are both connected to the control circuit module circuit.

[0029] Furthermore, a power interface 6 and a data interface are mounted on the rear wall plate 25. Those skilled in the art will appreciate that the power interface 6 and the data interface provide power and data connections respectively.

[0030] Furthermore, the first box cover 11 is hinged to one of the first side panels 12 of the four groups; the second box cover 21 is hinged to the rear wall panel 25.

[0031] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model.

Claims

1. A PCB board testing device, characterized in that: The invention comprises an upper box (1), a lower box (2), a test mechanism (5) and a lifting mechanism (4) provided with a lifting rod (414); the upper box (1) is fixed to the top of the lower box (2); a control circuit module and a control switch assembly (3) are provided in the lower box (2); the test mechanism (5) is arranged in the upper box (1); the lifting mechanism (4) is arranged in the lower box (2); the lifting rod (414) is connected to the test mechanism (5); the test mechanism (5), the lifting mechanism (4) and the control switch assembly (3) are all electrically connected to the control circuit module.

2. The PCB board testing device according to claim 1, characterized in that: The testing mechanism (5) comprises a first movable plate (54) and a plurality of groups of testing probes (52); the upper box body (1) comprises a first box cover (11) and four groups of first side plates (12); the plurality of groups of testing probes (52) are vertically fixed on the inner wall of the first box cover (11); and a placement groove is provided on the top of the first movable plate (54).

3. The PCB board testing device as claimed in claim 2, characterized in that: The testing mechanism (5) further comprises a second movable plate (51), four groups of springs (55) and two groups of guide columns (53); the lower box body (2) comprises a second box cover (21); the second box cover (21) is provided with four groups of first through holes; the second movable plate (51) is arranged below the first movable plate (54); the four groups of springs (55) are arranged between the first movable plate (54) and the second movable plate (51); the bottom ends of the two groups of guide columns (53) are fixed to the top of the second movable plate (51), and the other ends pass through the first movable plate (54); one end of the lifting rod (414) passes through the first through hole and is fixed to the bottom of the second movable plate (51).

4. The PCB board testing device as claimed in claim 3, characterized in that: The lifting mechanism (4) further comprises a first lifting component (41); the first lifting component (41) further comprises a first rotating shaft (412), two first bearing seats (413) provided with first bearings; two sets of sleeves (415) and two first gears (411); the sleeve (415) is fixed on the inner wall of the second box cover (21) and is coaxially arranged with the first through hole; the two first bearing seats (413) are both fixed on the inner wall of the second box cover (21); two first bearings are respectively passed through the two ends of the first rotating shaft (412) and are respectively fixed to the two first gears (411); the lifting rods (414) are four sets; the lifting rods (414) are provided with meshing teeth; the other end of the lifting rod (414) is passed through the sleeve (415) and meshes with the first gear (411).

5. The PCB board testing device as claimed in claim 4, characterized in that: The lifting mechanism (4) further comprises a second rotating shaft (43), two sets of second bearing seats (42) provided with second bearings, and a first motor (44); the first lifting assembly (41) further comprises a second gear (416); the second gear (416) is sleeved on the first rotating shaft (412); the two sets of the second bearing seats (42) and the first motor (44) are both fixed on the inner wall of the second box cover (21); the second rotating shaft (43) is provided with teeth near its two ends; the second rotating shaft (43) is vertically arranged with the first rotating shaft (412); one end of the second rotating shaft (43) is meshed with the second gear (416); the second rotating shaft (43) and the first motor (44) are transmission-connected.

6. The PCB board testing device as claimed in claim 5, characterized in that: The lifting mechanism (4) further comprises a second lifting assembly; the structure of the second lifting assembly is the same as that of the first lifting assembly (41); the second lifting assembly is engaged with the other end of the second rotating shaft (43) and is symmetrically arranged with the first lifting assembly (41).

7. The PCB board testing device according to claim 6, characterized in that: The lower box body (2) further comprises a front panel (24), two groups of second side panels (22), a rear wall panel (25) and a bottom panel (23); the control switch assembly (3) comprises an emergency stop switch (31) and two groups of start switches (32); the emergency stop switch (31) and the two groups of start switches (32) are both mounted on the front panel (24); the emergency stop switch (31) and the two groups of start switches (32) are both connected to the control circuit module circuit.

8. The PCB board testing device according to claim 7, characterized in that: The rear wall plate (25) is equipped with a power interface (6) and a data interface.

9. The PCB board testing device as claimed in claim 8, characterized in that: The first box cover (11) is hinged to one of the first side panels (12) of the four groups; the second box cover (21) is hinged to the rear wall panel (25).

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