CN219179552U

CN219179552U - Circuit board test fixture

Info

Publication number: CN219179552U
Application number: CN202223415076.XU
Authority: CN
Inventors: 王森
Original assignee: Xi'an Huiyingda Network Technology Co ltd
Current assignee: Xi'an Huiyingda Network Technology Co ltd
Priority date: 2022-12-20
Filing date: 2022-12-20
Publication date: 2023-06-13
Anticipated expiration: 2032-12-20

Abstract

The utility model discloses a circuit board testing tool which comprises a base, wherein two clamping plates are arranged at the top of the base in a sliding mode, a sliding mechanism for sliding the two clamping plates is arranged at the bottom of the base, two supporting rods are arranged at the top of the base, the surfaces of the two supporting rods are sleeved with the same connecting block, the tops of the two supporting rods are fixedly connected with the same top plate, a lifting mechanism for lifting the connecting block is arranged on the top plate, a connecting plate is arranged on the surface of the connecting block, one end of the bottom of the connecting plate is rotated to form a sliding plate, a rotating mechanism for rotating the sliding plate is arranged at the top of the connecting plate, a limiting groove is formed in the bottom of the sliding plate, two detection heads are arranged in the limiting groove in a sliding mode, and an adjusting mechanism for adjusting the two detection heads is arranged in the sliding plate. According to the utility model, through the arrangement of the sliding plate, more types of circuit boards can be detected when the sliding plate is used, meanwhile, the detection position is convenient to adjust, and the reduction of working efficiency caused by the need of replacing the detection head is avoided.

Description

Circuit board test fixture

Technical Field

The utility model relates to the technical field of circuit board testing tools, in particular to a circuit board testing tool.

Background

After the electronic components are welded with the circuit board, in order to ensure the welding stability of the electronic components and the circuit board, pins of the components on the circuit board need to be detected, whether the pins are in cold joint or not is detected, and whether the electronic components are damaged in the welding process or not is required.

At present, a detection pen or a circuit board testing tool is usually adopted for detecting circuit board pins manually, or a machine is adopted for pipeline detection during tool operation, but detection heads are often required to be replaced for detecting circuit boards of different types again when the circuit boards are detected, and the force of the detection heads when the detection heads are in contact with the circuit boards cannot be controlled during detection, so that damage is caused to the circuit boards, and therefore, the problem needs to be solved urgently.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a circuit board testing tool.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a circuit board test fixture, includes the base, the base top slides has two splint, the base bottom is equipped with the slide mechanism who slides two splint, two bracing pieces are installed at the base top, same connecting block has been cup jointed on two bracing piece surfaces, two bracing piece top fixedly connected with same roof, be equipped with the elevating system of lift connecting block on the roof, connecting block surface mounting has the connecting plate, connecting plate bottom one end rotates has the slide, the connecting plate top is equipped with the slewing mechanism who rotates the slide, the spacing groove has been seted up to the slide bottom, the inside slip of spacing groove has two detection heads, the inside adjustment mechanism who adjusts two detection heads that is equipped with of slide.

As a further scheme of the utility model, the sliding mechanism comprises a first bidirectional screw rod and a knob, wherein the first bidirectional screw rod horizontally rotates at the bottom of the base, two slide ways are symmetrically arranged on the surface of the base, first sliding blocks are respectively arranged in the two slide ways in a sliding manner, the two first sliding blocks are respectively arranged at the bottom of the clamping plate, the first bidirectional screw rod is sleeved in the two first sliding blocks, the first bidirectional screw rod is matched with the two first sliding blocks, the first bidirectional screw rod is inserted at two sides of the base, two knobs are arranged, and the two knobs are respectively arranged at two ends of the first bidirectional screw rod.

Preferably, the lifting mechanism comprises a threaded rod and a first motor, the threaded rod is vertically inserted into the surface of the connecting block and matched with the connecting block, a first shaft sleeve and a second shaft sleeve are respectively sleeved at two ends of the threaded rod, the first shaft sleeve is installed at the top of the base, the second shaft sleeve is installed at the bottom of the top plate, the first motor is installed at the top of the top plate, and the output shaft of the first motor is installed at the top end of the threaded rod.

Further, the rotating mechanism comprises a rotating shaft, the rotating shaft vertically rotates inside the connecting plate, the bottom of the rotating shaft is fixedly connected to the top of the sliding plate, a gear is fixedly connected to the top of the rotating shaft, a screw is meshed with the surface of the gear, a first fixing plate and a second fixing plate are mounted on the top of the connecting plate, two ends of the screw are rotationally connected to two opposite sides of the first fixing plate and two opposite sides of the second fixing plate, a second motor is mounted on one side of the first fixing plate, and an output shaft of the second motor is mounted at one end of the screw.

Preferably, the adjusting mechanism comprises a second bidirectional screw rod, the second bidirectional screw rod horizontally rotates in the limiting groove, a third motor is installed on one side of the sliding plate, an output shaft of the third motor is installed at one end of the second bidirectional screw rod, two second sliding blocks are sleeved on the surface of the second bidirectional screw rod, the two second sliding blocks slide in the limiting groove, fixing columns are installed at the bottoms of the two second sliding blocks respectively, buffer mechanisms for two detection heads are arranged at the bottoms of the fixing columns respectively, each buffer mechanism comprises a connecting column, each connecting column is installed at the bottoms of the corresponding fixing column, a cavity is formed in each connecting column, each detection head vertically slides in each cavity, a limiting plate is fixed at the top of each detection head, and springs are arranged in the tops of the limiting plates.

The beneficial effects of the utility model are as follows:

1. through the mutually supporting of second motor and third motor, can carry out the angle rotation to detecting the head when using, also can carry out the distance adjustment to detecting the head simultaneously, aim at needs detection position, guarantee that the device can detect the circuit board of different models, need not change moreover and detect the head, and then improved the result of use of this equipment.

2. Through the setting of spliced pole, when detecting, two detect the head decline when touching the circuit board, detect the head and drive limiting plate upwards slide, the spring is upwards compressed this moment, avoids the pressure on the circuit board too big, causes the harm to the circuit board, and then has improved the practicality of this equipment.

Drawings

Fig. 1 is a schematic top view of a circuit board testing tool according to the present utility model;

fig. 2 is a schematic diagram of a bottom view structure of a circuit board testing tool according to the present utility model;

fig. 3 is a schematic diagram of a partial structure of a circuit board testing tool according to the present utility model;

FIG. 4 is an enlarged view at A of FIG. 3;

fig. 5 is a schematic diagram of a partial structure of a circuit board testing tool according to the present utility model;

fig. 6 is an enlarged view of B of fig. 5.

In the figure: 1. a base; 11. a clamping plate; 12. a slideway; 13. a first slider; 14. a first bidirectional screw rod; 15. a knob; 2. a support rod; 21. a connecting block; 22. a first sleeve; 23. a threaded rod; 24. a second sleeve; 25. a first motor; 26. a top plate; 3. a connecting plate; 31. a second motor; 32. a first fixing plate; 33. a second fixing plate; 34. a screw rod; 35. a gear; 36. a rotating shaft; 4. a slide plate; 41. a limit groove; 42. a second bidirectional screw rod; 43. a second slider; 44. fixing the column; 45. a third motor; 46. a connecting column; 47. a detection head; 48. a cavity; 49. a limiting plate; 410. and (3) a spring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-6, a circuit board test fixture, including base 1, base 1 top slides there are two splint 11, base 1 bottom is equipped with the slide mechanism who slides two splint 11, two bracing pieces 2 are installed at base 1 top, same connecting block 21 has been cup jointed on two bracing piece 2 surfaces, same roof 26 of two bracing piece 2 top fixedly connected with, be equipped with the elevating system who goes up and down connecting block 21 on the roof 26, connecting block 21 surface mounting has connecting plate 3, connecting plate 3 bottom one end rotates has slide 4, the connecting plate 3 top is equipped with the rotary mechanism who rotates slide 4, spacing groove 41 has been seted up to slide 4 bottom, the inside slip of spacing groove 41 has two detection heads 47, slide 4 inside is equipped with the adjustment mechanism who adjusts two detection heads 47, through the setting of the device, can detect more models of circuit board when using, conveniently adjust the detection position simultaneously.

Referring to fig. 1 and 2, in a preferred embodiment, the sliding mechanism includes a first bidirectional screw 14 and a knob 15, the first bidirectional screw 14 horizontally rotates at the bottom of the base 1, two slide ways 12 are symmetrically provided on the surface of the base 1, a first slider 13 slides in the two slide ways 12, the two first sliders 13 are respectively installed at the bottom of the clamping plate 11, the first bidirectional screw 14 is sleeved in the two first sliders 13, the first bidirectional screw 14 is matched with the two first sliders 13, the first bidirectional screw 14 is inserted at two sides of the base 1, two knobs 15 are provided, and the two knobs 15 are respectively installed at two ends of the first bidirectional screw 14 for more stably clamping the circuit board.

Referring to fig. 1 and 3, in a preferred embodiment, the lifting mechanism includes a threaded rod 23 and a first motor 25, the threaded rod 23 is vertically inserted in the surface of the connecting block 21, the threaded rod 23 is matched with the connecting block 21, two ends of the threaded rod 23 are respectively sleeved with a first shaft sleeve 22 and a second shaft sleeve 24, the first shaft sleeve 22 is installed at the top of the base 1, the second shaft sleeve 24 is installed at the bottom of the top plate 26, the first motor 25 is installed at the top of the top plate 26, and an output shaft of the first motor 25 is installed at the top end of the threaded rod 23 and used for limiting the up-down movement of the connecting block 21, so that the device is more convenient to use.

Referring to fig. 1 and 4, in a preferred embodiment, the rotating mechanism includes a rotating shaft 36, the rotating shaft 36 vertically rotates inside the connecting plate 3, the bottom of the rotating shaft 36 is fixedly connected to the top of the sliding plate 4, the top of the rotating shaft 36 is fixedly connected with a gear 35, a screw rod 34 is meshed with the surface of the gear 35, a first fixing plate 32 and a second fixing plate 33 are installed at the top of the connecting plate 3, two ends of the screw rod 34 are rotatably connected to two opposite sides of the first fixing plate 32 and the second fixing plate 33, a second motor 31 is installed at one side of the first fixing plate 32, and an output shaft of the second motor 31 is installed at one end of the screw rod 34 for limiting the rotation of the sliding plate 4, so that the angle of the two detecting heads 47 can be conveniently adjusted.

Referring to fig. 1, 5 and 6, in a preferred embodiment, the adjusting mechanism includes a second bidirectional screw 42, the second bidirectional screw 42 horizontally rotates inside a limiting groove 41, a third motor 45 is installed on one side of the sliding plate 4, an output shaft of the third motor 45 is installed at one end of the second bidirectional screw 42, two second sliding blocks 43 are sleeved on the surface of the second bidirectional screw 42, the two second sliding blocks 43 slide inside the limiting groove 41, fixing columns 44 are installed at the bottoms of the two second sliding blocks 43 respectively, buffer mechanisms for two detection heads 47 are arranged at the bottoms of the two fixing columns 44 respectively, each buffer mechanism includes a connecting column 46, the connecting column 46 is installed at the bottom of the fixing column 44, a cavity 48 is formed inside the connecting column 46, the detection heads 47 vertically slide inside the cavity 48, a limiting plate 49 is fixed at the top of the detection heads 47, a spring 410 is arranged inside the cavity 48, and the spring 410 is arranged at the top of the limiting plate 49 and is used for buffering the pressure of a circuit board during detection, so that damage to the circuit board is avoided.

From the above description, it can be seen that the above embodiments of the present utility model achieve the following technical effects: during actual use, the circuit board can be clamped through the arrangement of the knob 15, when the circuit board is used, the knob 15 is rotated to drive the first bidirectional screw rod 14 to rotate, so that the two first sliding blocks 13 are close to each other, the two clamping plates 11 are driven to open into each other, the circuit board is clamped, the screw rod 34 is driven to rotate by driving the second motor 31, the screw rod 34 drives the gear 35 to rotate, the rotating shaft 36 can drive the sliding plate 4 to rotate, at the moment, the angle of the two detection heads 47 can be adjusted, the using effect of the device is improved, the first motor 25 is driven to drive the threaded rod 23 to rotate, the connecting block 21 is driven to slide downwards, the circuit board is detected, the two detection heads 47 are driven to slide upwards through the arrangement of the connecting column 46 when the two detection heads 47 descend to contact the circuit board, at the moment, the spring 410 is compressed upwards, damage to the circuit board is avoided, and the practicability of the device is improved.

Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the present application described herein may be capable of being practiced otherwise than as specifically illustrated and described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a circuit board test fixture, includes base (1), its characterized in that, base (1) top slip has two splint (11), base (1) bottom is equipped with the slide mechanism who slides two splint (11), two bracing pieces (2) are installed at base (1) top, same connecting block (21) have been cup jointed on two bracing piece (2) surfaces, two bracing piece (2) top fixedly connected with same roof (26), be equipped with elevating system of elevating connection piece (21) on roof (26), connecting block (21) surface mounting has connecting plate (3), connecting plate (3) bottom one end rotates there is slide (4), connecting plate (3) top is equipped with the rotary mechanism who rotates slide (4), spacing groove (41) have been seted up to slide (4) bottom, spacing groove (41) inside slip has two detection heads (47), slide (4) inside be equipped with the adjustment mechanism who adjusts two detection heads (47).

2. The circuit board test fixture according to claim 1, wherein the sliding mechanism comprises a first bidirectional screw rod (14) and a knob (15), the first bidirectional screw rod (14) horizontally rotates at the bottom of the base (1), two slide ways (12) are symmetrically arranged on the surface of the base (1), first slide blocks (13) are respectively slid inside the slide ways (12), two first slide blocks (13) are respectively arranged at the bottom of the clamping plate (11), the first bidirectional screw rod (14) is sleeved inside the two first slide blocks (13), the first bidirectional screw rod (14) is matched with the two first slide blocks (13), the first bidirectional screw rod (14) is inserted at two sides of the base (1), the knob (15) is provided with two, and the two knob (15) are respectively arranged at two ends of the first bidirectional screw rod (14).

3. The circuit board test fixture according to claim 1, wherein the lifting mechanism comprises a threaded rod (23) and a first motor (25), the threaded rod (23) is vertically inserted in the surface of the connecting block (21), the threaded rod (23) is matched with the connecting block (21), a first shaft sleeve (22) and a second shaft sleeve (24) are respectively sleeved at two ends of the threaded rod (23), the first shaft sleeve (22) is mounted at the top of the base (1), the second shaft sleeve (24) is mounted at the bottom of the top plate (26), the first motor (25) is mounted at the top of the top plate (26), and an output shaft of the first motor (25) is mounted at the top end of the threaded rod (23).

4. The circuit board test fixture according to claim 1, wherein the rotating mechanism comprises a rotating shaft (36), the rotating shaft (36) vertically rotates inside the connecting plate (3), the bottom of the rotating shaft (36) is fixedly connected to the top of the sliding plate (4), a gear (35) is fixedly connected to the top of the rotating shaft (36), a screw rod (34) is meshed with the surface of the gear (35), a first fixing plate (32) and a second fixing plate (33) are mounted on the top of the connecting plate (3), two ends of the screw rod (34) are rotatably connected to two opposite sides of the first fixing plate (32) and the second fixing plate (33), a second motor (31) is mounted on one side of the first fixing plate (32), and an output shaft of the second motor (31) is mounted at one end of the screw rod (34).

5. The circuit board test fixture according to claim 1, wherein the adjusting mechanism comprises a second bidirectional screw rod (42), the second bidirectional screw rod (42) horizontally rotates inside the limiting groove (41), a third motor (45) is installed on one side of the sliding plate (4), an output shaft of the third motor (45) is installed at one end of the second bidirectional screw rod (42), two second sliding blocks (43) are sleeved on the surface of the second bidirectional screw rod (42), the two second sliding blocks (43) slide inside the limiting groove (41), fixing columns (44) are respectively installed at the bottoms of the two second sliding blocks (43), and buffer mechanisms for two detection heads (47) are respectively arranged at the bottoms of the two fixing columns (44).

6. The circuit board test fixture according to claim 5, wherein the buffer mechanism comprises a connecting column (46), the connecting column (46) is mounted at the bottom of the fixed column (44), a cavity (48) is formed in the connecting column (46), the detecting head (47) vertically slides in the cavity (48), a limiting plate (49) is fixed at the top of the detecting head (47), a spring (410) is arranged in the cavity (48), and the spring (410) is arranged at the top of the limiting plate (49).