CN214375116U

CN214375116U - Multi-circuit testing machine

Info

Publication number: CN214375116U
Application number: CN202022578683.2U
Authority: CN
Inventors: 黄旭华; 李忱钢; 王志; 封懿恒; 陆成军
Original assignee: Hengyang Qinghua Electronic Technology Co ltd
Current assignee: Hengyang Qinghua Electronic Technology Co ltd
Priority date: 2020-11-10
Filing date: 2020-11-10
Publication date: 2021-10-08
Anticipated expiration: 2030-11-10

Abstract

The utility model relates to the technical field of circuit testing, specifically a multi-circuit testing machine, including test supporting device, the equal fixedly connected with riser in test supporting device's top left part and top right part, the looks remote site of two risers all has the diaphragm through the screw connection, the equal fixedly connected with optical axis in bottom of each diaphragm, the bottom of each optical axis all with test supporting device's top fixed connection, test supporting device's upside is provided with the frame plate, the rear end of frame plate and the front end upper portion of each riser pass through the screw connection, the front end of frame plate is provided with the biax cylinder, the output fixedly connected with keysets of biax cylinder, the bottom of keysets is provided with the clamp plate, the rear portion of clamp plate and the circumference outer wall of each optical axis are sliding connection from top to bottom, the left part and the right part of clamp plate all fixedly connected with sliding sleeve, each sliding sleeve is respectively nested on the circumference outer wall that each corresponds the optical axis, the bottom fixedly connected with a plurality of pressure stick of clamp plate; the circuit board detection device is convenient for detecting large batch of circuit boards, and is high in efficiency and high in practicability.

Description

Multi-circuit testing machine

Technical Field

The utility model relates to a circuit test technical field specifically is multicircuit test machine.

Background

The circuit board is used as a plate-shaped structure integrated with a plurality of electrical components, in the production process, in order to ensure the quality of the circuit, a plurality of components on the circuit need to be tested, the application of circuit batch production is more extensive, the test of the circuit is tested by adopting a manual means, and the efficiency is lower.

By search, patent publication No. CN2311004 discloses a circuit board test supporting device, which comprises: the test base is hollow and provided with a first surface, the test base is provided with a plurality of first through holes which penetrate through the first surface from the inside and correspond to the tested circuit board, and the first surface is provided with a test positioning pin corresponding to a test positioning hole of the tested circuit board; at least two guide posts, one end of which is arranged on the first surface and the other end of which is provided with a clamping part; a protection plate having a second surface and a third surface facing the first surface, and having a second through hole, a positioning pin through hole and a guide hole penetrating the second surface and the third surface and respectively corresponding to the first through hole, the test positioning pin and the guide post, the protection plate moving between the first surface and the clamping part along the guide post via the guide hole; the plurality of probes are respectively arranged in the first through hole in a telescopic mode and extend to the second through hole, the probes are contacted with a tested circuit board placed on the second surface through the test positioning pins and the test positioning holes, and the tested circuit board is electrically connected with the circuit tester; several elastic pieces which make the test positioning pin protrude out of the positioning pin through hole by pushing the protection plate to the clamping part by elasticity are respectively arranged between the first surface and the third surface; and the counter is arranged between the protection plate and the test base and used for calculating the using times of the probe according to the movement of the protection plate along the guide post.

The above prior art solutions still have the following drawbacks: when testing, need the manual test position to the circuit board of user to press down the operation, be not convenient for detect large batch circuit board, efficiency is lower, and the practicality is lower.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a this be convenient for detect large batch circuit board, efficiency is higher, the higher multicircuit test machine of practicality.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a multi-circuit testing machine comprises a test supporting device, wherein the left part and the right part of the top end of the test supporting device are fixedly connected with vertical plates, the opposite ends of the two vertical plates are connected with horizontal plates through screws, the bottom end of each horizontal plate is fixedly connected with an optical axis, the bottom end of each optical axis is fixedly connected with the top end of the test supporting device, the upper side of the test supporting device is provided with a frame plate, the rear end of the frame plate is connected with the upper part of the front end of each vertical plate through screws, the front end of the frame plate is provided with a double-shaft cylinder, the output end of the double-shaft cylinder is fixedly connected with a transfer plate, the bottom end of the transfer plate is provided with a pressing plate, the rear part of the pressing plate is connected with the circumferential outer wall of each optical axis in a vertical sliding manner, the left part and the right part of the pressing plate are fixedly connected with sliding sleeves, and each sliding sleeve is respectively sleeved on the circumferential outer wall of each optical axis, the bottom end of the pressing plate is fixedly connected with a plurality of pressing rods.

Furthermore, the rear end of the frame plate is provided with a clamping plate, the rear end of the double-shaft cylinder is connected with the front end of the clamping plate through first positioning screws, the middle of the frame plate is provided with first strip-shaped holes corresponding to the first positioning screws, and the rear ends of the first positioning screws penetrate through the corresponding first strip-shaped holes and are in threaded connection with the front end of the clamping plate and the rear ends of the first positioning screws.

As a further aspect of the present invention, the test supporting device includes a bottom plate, a needle plate is fixedly connected to the middle portion of the top end of the test supporting device, limit shafts are fixedly connected to four corner position areas of the top end of the needle plate, a carrier plate is disposed on the upper side of the needle plate, four corner position areas of the bottom end of the carrier plate are respectively in sliding fit with the upper portions of the limit shafts, spring rods are mounted to the four corner position areas of the needle plate, the top end of each spring rod is in contact with the bottom end of the carrier plate, a plurality of probe needles are disposed in the middle portion of the needle plate, the top end of each probe needle passes through the middle portion of the carrier plate, a support plate is connected to the left portion and the right portion of the top end of the bottom plate through screws, a front plate and a rear plate are connected to the front portion and the right portion of the top end of the bottom plate through screws, and the front plate and the rear plate are connected to the opposite ends of the support plates through screws, the testing device comprises a base plate, and is characterized in that a testing assembly is arranged at the left part of the top end of the base plate, a connector is arranged at the rear end of the testing assembly, the connector is electrically connected with the testing assembly, the top end of the testing assembly is connected with the bottoms of the probe pins, a switching power supply is arranged at the right part of the top end of the base plate, a mounting plate is arranged at the upper side of the base plate, the rear end of the mounting plate is connected with the top of a rear plate through a hinge, the front part of the mounting plate is detachably connected with the upper parts of the support plates, the left part and the right part of the top end of the mounting plate are fixedly connected with the bottom ends of the corresponding vertical plates respectively, and the top end of the mounting plate is fixedly connected with the bottom ends of the optical axes.

Preferably, the upper parts of the opposite ends of the two support plates are connected with the bottom end of the mounting plate through buckles, and the opposite ends of the two support plates are fixedly connected with handles.

Furthermore, reinforcing plates are arranged in the relative middle areas of the two vertical plates, and the left end and the right end of each reinforcing plate are respectively connected with the opposite ends of each vertical plate through screws.

Still further, the top of support plate is provided with the draw-in groove, the four corners position region of draw-in groove all is provided with the groove of stepping down, a plurality of support bars of inside fixedly connected with of draw-in groove.

As a further proposal, the middle part of the frame plate is provided with two wire holes.

On the basis of the scheme, the bottom end of the adapter plate is connected with the top end of the pressing plate through a second positioning screw, the left part and the right part of the adapter plate are respectively provided with a second long hole, and the middle part of the second positioning screw penetrates through the second long holes corresponding to the second long holes.

(III) advantageous effects

Compared with the prior art, the utility model provides a this multicircuit test machine possesses following beneficial effect:

this multi-circuit test machine, when testing through the user, make the output of biax cylinder stretch out, and then drive the keysets, clamp plate and pressure stick descend, push down the test position through pressing the stick, and then make test receiving device detect the test position of circuit board, and restrict the position of clamp plate through the sliding sleeve, reduce the clamp plate and the oblique condition in test position who presses the stick, improve the stability in use, once detect a plurality of positions on the circuit board through pressing the stick, replace artifical the detection, it detects large batch circuit board to reach to be convenient for, high efficiency, the higher effect of practicality.

Drawings

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

FIG. 2 is a schematic view of the three-dimensional structure inside the test carrying device of the present invention;

fig. 3 is a schematic perspective view of the present invention;

fig. 4 is a schematic view of the three-dimensional structure of the middle needle plate, the spacing shaft, the carrier plate and the probe needle of the present invention.

In the figure: 1. a vertical plate; 2. a transverse plate; 3. an optical axis; 4. a frame plate; 5. a double-shaft cylinder; 6. an adapter plate; 7. pressing a plate; 8. a sliding sleeve; 9. pressing a rod; 10. a needle plate; 11. a limiting shaft; 12. a carrier plate; 13. a spring lever; 14. a probe pin; 15. a splint; 16. a first set screw; 17. a base plate; 18. a support plate; 19. A front plate; 20. a back plate; 21. testing the component; 22. a connector; 23. a switching power supply; 24. mounting a plate; 25. buckling; 26. a handle; 27. a reinforcing plate; 28. a second set screw; 29. a support strip.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The first embodiment is as follows:

referring to fig. 1-4, a multi-circuit testing machine includes a test supporting device, the left part and the right part of the top end of the test supporting device are both fixedly connected with vertical plates 1, the relative middle area of the two vertical plates 1 is provided with a reinforcing plate 27, and the left end and the right end of the reinforcing plate 27 are respectively connected with the opposite ends of each vertical plate 1 through screws; the connecting strength between the two vertical plates 1 is enhanced through the reinforcing plate 27, the deformation of the vertical plates 1 in the using process is reduced, and the using reliability is improved; when the double-shaft air cylinder is used, a user controls a pipeline and a connecting wire of the double-shaft air cylinder 5 to pass through the wire passing hole and then lead to the rear part, so that the bending condition of the pipeline and the connecting wire of the double-shaft air cylinder 5 is reduced, the output end of the double-shaft air cylinder 5 is fixedly connected with an adapter plate 6, the bottom end of the adapter plate 6 is provided with a pressure plate 7, the rear part of the pressure plate 7 is in up-and-down sliding connection with the circumferential outer wall of each optical axis 3, the left part and the right part of the pressure plate 7 are fixedly connected with sliding sleeves 8, each sliding sleeve 8 is respectively sleeved on the circumferential outer wall of each corresponding optical axis 3, and the bottom end of the pressure plate 7 is fixedly connected with a plurality of pressure rods 9; when testing through the user, make the output of biax cylinder 5 stretch out, and then drive keysets 6, clamp plate 7 descends with pressure stick 9, push down the test position through pressing stick 9, and then make test receiving device detect the test position of circuit board, and restrict the position of clamp plate 7 through sliding sleeve 8, reduce the test position skew's of clamp plate 7 and pressure stick 9 the condition, improve the stability in use, once detect a plurality of positions on the circuit board through pressing stick 9, replace artifical the detection, it is convenient for detect large batch circuit board to reach, high efficiency, the higher effect of practicality.

Further, the test supporting device comprises a bottom plate 17, a needle plate 10 is fixedly connected to the middle of the top end of the test supporting device, limiting shafts 11 are fixedly connected to four corner position areas of the top end of the needle plate 10, a carrier plate 12 is arranged on the upper side of the needle plate 10, four corner position areas of the bottom end of the carrier plate 12 are respectively in sliding fit with the upper portions of the corresponding limiting shafts 11, spring rods 13 are mounted on the four corner position areas of the needle plate 10, the top end of each spring rod 13 is in contact with the bottom end of the carrier plate 12, a plurality of probe needles 14 are arranged in the middle of the needle plate 10, the top end of each probe needle 14 penetrates through the middle of the carrier plate 12, the left portion and the right portion of the top end of the bottom plate 17 are respectively connected with a supporting plate 18 through screws, the front portion and the right portion of the top end of the bottom plate 17 are respectively connected with a front plate 19 and a rear plate 20 through screws, the front plate 19 and the rear plate 20 are respectively connected with the opposite ends of the supporting plates 18 through screws, a testing assembly 21 is arranged at the left part of the top end of the bottom plate 17, a connector 22 is arranged at the rear end of the testing assembly 21, the connector 22 is electrically connected with the testing assembly 21, the top end of the testing assembly 21 is connected with the bottoms of the probe pins 14, a switching power supply 23 is arranged at the right part of the top end of the bottom plate 17, a mounting plate 24 is arranged on the upper side of the bottom plate 17, the rear end of the mounting plate 24 is connected with the top of the rear plate 20 through a hinge, the front part of the mounting plate 24 is detachably connected with the upper parts of the support plates 18, the upper parts of the opposite ends of the two support plates 18 are connected with the bottom end of the mounting plate 24 through buckles 25, and handles 26 are fixedly connected with the opposite ends of the two support plates 18; the detachable connection between the support plate 18 and the mounting plate 24 is effectively realized through the connection mode of the buckle 25, the buckle 25 is convenient to detach, the handle 26 is pulled by a user to replace the user to directly move the whole body, the effect of facilitating the user to move the whole body is achieved, the left part and the right part of the top end of the mounting plate 24 are fixedly connected with the bottom ends of the corresponding vertical plates 1 respectively, and the top end of the mounting plate 24 is fixedly connected with the bottom ends of the optical axes 3; compared with the existing test carrying device, the switching power supply 23 is added, the control of an internal power supply is convenient, the mode that the rear part of the mounting plate 24 is hinged with the rear plate 20 and the front part of the mounting plate 24 is detachably connected with the upper part of the support plate 18 replaces the mode that the bottom plate 17 is connected with the upper part through the buckle 25, when a user maintains, the user only needs to disassemble the front part of the mounting plate 24 and rotate the upper part to replace the mode of lifting the parts above the bottom plate 17, so that the effect of saving the strength of the user during maintenance and facilitating the maintenance of the user is achieved, the top end of the support plate 12 is provided with a clamping groove, the four corner position areas of the clamping groove are provided with abdicating grooves, and the inside of the clamping groove is fixedly connected with a plurality of support bars 29; the position of fixing specific size circuit board through the draw-in groove reduces the condition of circuit board skew to give out the space in circuit board four corners through the groove of stepping down, reduce the condition that the circuit board four corners collided with and damaged, hold the circuit board through a plurality of supporting bars 29, reduce the condition that circuit board and probe 14 contact excessively and damage.

In summary, when the multi-circuit testing machine is used, firstly, a user extends the output end of the double-shaft cylinder 5 during testing, so as to drive the adapter plate 6, the pressing plate 7 and the pressing rod 9 to descend, the testing part is pressed by the pressing rod 9, so that the testing supporting device detects the testing part of the circuit board, the position of the pressing plate 7 is limited by the sliding sleeve 8, a plurality of parts on the circuit board are pressed at one time by the pressing rod 9, and the testing supporting device detects the testing part.

Example two:

referring to fig. 1-4, a multi-circuit testing machine, a clamping plate 15 is arranged at the rear end of a frame plate 4, the rear end of a double-shaft cylinder 5 is connected with the front end of the clamping plate 15 through a first positioning screw 16, a first long hole corresponding to each first positioning screw 16 is arranged in the middle of the frame plate 4, and the rear end of each first positioning screw 16 passes through each corresponding first long hole and is connected with the front end of the clamping plate 15 and the rear end of each first positioning screw 16 through threads; after a user unscrews the first positioning screw 16, the double-shaft air cylinder 5 is moved, so that the first positioning screw 16 moves in the first strip hole, the position of the double-shaft air cylinder 5 is adjusted, the pressing height of the pressing rod 9 is convenient to adjust, the bottom end of the adapter plate 6 is connected with the top end of the pressing plate 7 through the second positioning screw 28, the left part and the right part of the adapter plate 6 are respectively provided with a second strip hole, and the middle part of the second positioning screw 28 penetrates through the corresponding second strip holes; when the device is used, the pressing plate 7 is moved by a user, and then the second positioning screw 28 is driven to move in the second strip hole, so that the transverse position of the pressing plate 7 is adjusted, and the practicability is improved.

The difference between the present embodiment and the first embodiment is that a clamping plate 15, a first positioning screw 16 and a second positioning screw 28 are added on the basis of the first embodiment.

The theory of operation of this embodiment does, on implementing the basis of one, after unscrewing first set screw 16 through the user, remove biax cylinder 5, and then make first set screw 16 remove in first rectangular hole, and then adjust the longitudinal position of biax cylinder 5, when using through the user, remove clamp plate 7, and then drive second set screw 28 and remove in second rectangular hole, and then the lateral position of adjustment clamp plate 7, and then the lateral position and the height of pushing down of adjustment clamp plate 7.

The model number of the double-shaft cylinder 5 is TN32-100, the cylinder is a known device directly purchased from the market and used by people in the field, structural and functional improvements are not performed on the cylinder, detailed description is omitted, the cylinder is provided with a control switch matched with the cylinder, and the installation position of the control switch is selected according to actual use requirements, so that an operator can conveniently perform operation control.

The probe 14, the connecting head 22, and the testing assembly 21 are conventional components, which are well known to those skilled in the art, and are described in patent publication No. CN2311004, and thus are not described in detail.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that 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 multi-circuit test machine, includes test supporting device, its characterized in that: the left part and the right part of the top end of the test bearing device are fixedly connected with vertical plates (1), opposite ends of the two vertical plates (1) are connected with horizontal plates (2) through screws, the bottom end of each horizontal plate (2) is fixedly connected with an optical shaft (3), the bottom end of each optical shaft (3) is fixedly connected with the top end of the test bearing device, a frame plate (4) is arranged on the upper side of the test bearing device, the rear end of the frame plate (4) is connected with the upper part of the front end of each vertical plate (1) through screws, a double-shaft cylinder (5) is arranged at the front end of the frame plate (4), an output end of the double-shaft cylinder (5) is fixedly connected with an adapter plate (6), a pressing plate (7) is arranged at the bottom end of the adapter plate (6), the rear part of the pressing plate (7) is vertically and slidably connected with the outer wall of the circumference of each optical shaft (3), and sliding sleeves (8) are fixedly connected with the left part and the right part of the pressing plate (7), each sliding sleeve (8) is respectively sleeved on the circumferential outer wall corresponding to the optical axis (3), and the bottom end of the pressing plate (7) is fixedly connected with a plurality of pressing rods (9).

2. The multi-circuit tester of claim 1, wherein: the rear end of the frame plate (4) is provided with a clamping plate (15), the rear end of the double-shaft air cylinder (5) is connected with the front end of the clamping plate (15) through a first positioning screw (16), the middle of the frame plate (4) is provided with a first strip-shaped hole corresponding to each first positioning screw (16), and the rear end of each first positioning screw (16) penetrates through each corresponding first strip-shaped hole and is in threaded connection with the front end of the clamping plate (15) and the rear end of each first positioning screw (16).

3. The multiple circuit testing machine of claim 2, wherein: the test carrying device comprises a bottom plate (17), a needle plate (10) is fixedly connected to the middle of the top end of the test carrying device, limiting shafts (11) are fixedly connected to four corner position areas of the top end of the needle plate (10), a carrier plate (12) is arranged on the upper side of the needle plate (10), four corner position areas of the bottom end of the carrier plate (12) are respectively in sliding fit with the upper portions of the limiting shafts (11), spring rods (13) are arranged on the four corner position areas of the needle plate (10), the top end of each spring rod (13) is in contact with the bottom end of the carrier plate (12), a plurality of detection needles (14) are arranged in the middle of the needle plate (10), the top end of each detection needle (14) penetrates through the middle of the carrier plate (12), and supporting plates (18) are respectively connected to the left portion and the right portion of the top end of the bottom plate (17) through screws, the testing device is characterized in that the front part and the right part of the top end of the bottom plate (17) are respectively connected with a front plate (19) and a rear plate (20) through screws, the front plate (19) and the rear plate (20) are respectively connected with opposite ends of the support plates (18) through screws, the left part of the top end of the bottom plate (17) is provided with a testing assembly (21), the rear end of the testing assembly (21) is provided with a connector (22), the connector (22) is electrically connected with the testing assembly (21), the top end of the testing assembly (21) is connected with the bottoms of the probe pins (14), the right part of the top end of the bottom plate (17) is provided with a switching power supply (23), the upper side of the bottom plate (17) is provided with a mounting plate (24), the rear end of the mounting plate (24) is connected with the top of the rear plate (20) through hinges, and the front part of the mounting plate (24) is detachably connected with the upper parts of the support plates (18), the left part and the right part of the top end of the mounting plate (24) are fixedly connected with the bottom ends of the corresponding vertical plates (1) respectively, and the top end of the mounting plate (24) is fixedly connected with the bottom end of each optical axis (3).

4. The multi-circuit tester of claim 3, wherein: the upper parts of the opposite ends of the two support plates (18) are connected with the bottom end of the mounting plate (24) through a buckle (25), and the opposite ends of the two support plates (18) are fixedly connected with handles (26).

5. The multi-circuit tester of claim 4, wherein: reinforcing plates (27) are arranged in the opposite middle areas of the two vertical plates (1), and the left end and the right end of each reinforcing plate (27) are respectively connected with the opposite ends of each vertical plate (1) through screws.

6. The multi-circuit tester of claim 5, wherein: the top of support plate (12) is provided with the draw-in groove, the four corners position region of draw-in groove all is provided with the groove of stepping down, a plurality of support bars of inside fixedly connected with (29) of draw-in groove.

7. The multi-circuit tester of claim 6, wherein: two wire passing holes are formed in the middle of the frame plate (4).

8. The multiple circuit testing machine of claim 7, wherein: the bottom end of the adapter plate (6) is connected with the top end of the pressing plate (7) through a second positioning screw (28), the left part and the right part of the adapter plate (6) are respectively provided with a second long hole, and the middle part of the second positioning screw (28) penetrates through the second long holes corresponding to the second long holes.