CN217981728U

CN217981728U - Circuit board test fixture

Info

Publication number: CN217981728U
Application number: CN202221739845.9U
Authority: CN
Inventors: 黄健
Original assignee: Shanghai Tongen Electronic Technology Co ltd
Current assignee: Shanghai Tongen Electronic Technology Co ltd
Priority date: 2022-07-07
Filing date: 2022-07-07
Publication date: 2022-12-06
Anticipated expiration: 2032-07-07

Abstract

The utility model discloses a circuit board test fixture, including the tool body, still include a dust removal A and a dust removal B, a dust removal A includes riser A, promotion cylinder A, piston rod A, assembly plate A and dust removal sponge A, the symmetric distribution between a dust removal A and the dust removal B, tool body upper surface one side bonds has the riser A through screw demountable installation promotion cylinder A. This circuit board test fixture starts push cylinder A and push cylinder B switch after the circuit board is fixed, push cylinder A work and promote piston rod A flexible, push cylinder B work and promote piston rod B flexible, the dust removal sponge A of assembly plate A bottom and the dust removal sponge B of assembly plate B bottom draw close to the intermediate position, and do periodic reciprocating motion, carry out the surface cleaning to the circuit board that has not tested yet, avoid the circuit board surface to adhere to there are more dust and other small impurity, prevent that it from producing the influence to the precision of testing result.

Description

Circuit board test fixture

Technical Field

The utility model relates to a tool equipment technical field, in particular to circuit board test fixture.

Background

The jig is a large tool for carpenters, ironmen, pliers, machines, electronic control and other handicraft articles, and is mainly used as a tool for assisting in controlling positions or actions. The jig can be divided into a process assembly type jig, a project test type jig and a circuit board test type jig.

Patent No. CN201410424762.4 discloses a test fixture of a circuit board, which belongs to the technical field of fixture equipment and is designed for solving the problems of low detection efficiency, high labor intensity, easy error, low accuracy and the like of the traditional circuit board debugging method. The test fixture of the circuit board comprises an upper die assembly arranged above a bottom box and a lower die assembly arranged on an upper panel of the bottom box, wherein a probe on the upper die assembly is adjusted to penetrate through a probe hole on a probe plate of the lower die assembly under the action of a lifting mechanism and an XY axis adjusting mechanism of the upper die assembly, so that the probe is in contact with a tested product on a product support plate to test the conditions of missing welding of main components of the circuit board, open and short circuit of a circuit and the like. The invention has simple operation and high automation degree, simplifies manual operation, reduces labor intensity and improves working efficiency and testing accuracy.

When the circuit board is tested, a special test fixture is required to be used for detection, however, more dust and other small impurities may be attached to the surface of the circuit board before the test, and the accuracy of the detection result is affected to a certain degree. Therefore, a circuit board testing fixture is provided.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a circuit board test fixture, start promotion cylinder A and promotion cylinder B switch after the circuit board is fixed, it is flexible that promotion cylinder A work promotes piston rod A, it is flexible that promotion cylinder B work promotes piston rod B, the dust removal sponge A of assembly plate A bottom and the dust removal sponge B of assembly plate B bottom draw close to the intermediate position, and do periodic reciprocating motion, carry out the surface cleaning to the circuit board that has not tested yet, avoid circuit board surface to adhere to there are more dust and other small impurity, prevent that it from producing the influence to the precision of testing result, can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the technical proposal that:

the utility model provides a circuit board test fixture, includes the tool body, still includes a A and a B that removes dust, it includes riser A, push cylinder A, piston rod A, assembly plate A and dust removal sponge A to remove dust, remove dust a and remove dust between the B symmetric distribution, tool body upper surface one side bonds has through screw demountable installation push cylinder A's riser A, and tool body upper surface opposite side bonds and has had through screw demountable installation push cylinder B's riser B, push cylinder A one end drives assembly plate A flexible through piston rod A, assembly plate A lower surface bonds has dust removal sponge A, push cylinder B one end drives assembly plate B flexible through piston rod B, assembly plate B lower surface bonds has dust removal sponge B.

Further, a screw rod in threaded fit connection with the threaded pipe is welded at the bottom of the jig body; the external screw thread of screw rod matches with the internal thread of screwed pipe, accomplishes the lift of screw rod then, adjusts the holistic operating height of tool.

Further, one side of the threaded pipe is fixedly connected with a handle; the handle is held to facilitate the rotation between the pushing threaded pipe and the screw rod.

Further, a chassis is integrally formed at the bottom of the threaded pipe; the chassis plays the bottom stable supporting role.

Furthermore, the upper surface of the jig body is provided with a clamping groove which can be clamped into the circuit board in a matching manner; the circuit board to be tested is placed in the clamping groove at the upper end of the jig, and the size of the clamping groove is matched with that of the circuit board.

Compared with the prior art, the utility model discloses following beneficial effect has: at first inside the draw-in groove of tool upper end is put into to the staff with the circuit board that awaits measuring, the draw-in groove size cooperatees with the circuit board, start promotion cylinder A and promotion cylinder B switch after the circuit board is fixed, it is flexible that promotion cylinder A work promotes piston rod A, it is flexible to promote piston rod B work for promotion cylinder B, the dust removal sponge A of assembly plate A bottom and the dust removal sponge B of assembly plate B bottom draw close to the intermediate position, and do periodic reciprocating motion, carry out the surface cleaning to the circuit board that has not tested yet, avoid circuit board surface to adhere to there being more dust and other small impurity, prevent that it from producing the influence to the precision of testing result, at last, the test pencil by the tool docks with the different circuit on the circuit board and detects.

Drawings

Fig. 1 is the overall structure diagram of the circuit board testing fixture of the present invention.

Fig. 2 is the utility model relates to a dust removal piece A schematic structure of circuit board test fixture.

Fig. 3 is a schematic view of a dust removing member B of the circuit board testing jig of the present invention.

In the figure: 1. a jig body; 2. a card slot; 3. a dust removal part A; 301. a vertical plate A; 302. A pushing cylinder A; 303. a piston rod A; 304. an assembly plate A; 305. dedusting sponge A; 4. a dust removal part B; 401. a vertical plate B; 402. a pushing cylinder B; 403. a piston rod B; 404. an assembly plate B; 405. a dust removal sponge B; 5. a screw; 6. a threaded pipe; 7. a chassis; 8. a handle.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-3, a circuit board test fixture, including tool body 1, still include dust removal A3 and dust removal B4, dust removal A3 includes riser a301, push cylinder a302, piston rod a303, assembly plate a304 and dust removal sponge a305, symmetric distribution between dust removal A3 and the dust removal B4, tool body 1 upper surface one side bonds has through screw demountable installation push cylinder a 302's riser a301, and tool body 1 upper surface opposite side bonds has through screw demountable installation push cylinder B402's riser B401, push cylinder a302 one end drives assembly plate a304 flexible through piston rod a303, assembly plate a304 lower surface bonds has dust removal sponge a305, push cylinder B402 one end drives assembly plate B404 flexible through piston rod B403, assembly plate B404 lower surface bonds has dust removal sponge B405.

The jig comprises a jig body 1, a threaded rod 5, a handle 8 and a base plate 7, wherein the threaded rod 5 is welded at the bottom of the jig body 1 and is in threaded fit connection with a threaded pipe 6, the handle 8 is fixedly connected to one side of the threaded pipe 6, and the base plate 7 is integrally formed at the bottom of the threaded pipe 6; the handle 8 is held to conveniently push the threaded pipe 6 and the screw rod 5 to rotate, the external thread of the screw rod 5 is matched with the internal thread of the threaded pipe 6, then the lifting of the screw rod 5 is completed, the overall working height of the jig is adjusted, and the base plate 7 plays a role in stably supporting the bottom.

The upper surface of the jig body 1 is provided with a clamping groove 2 which can be clamped into a circuit board in a matching manner; the circuit board to be tested is placed in the clamping groove 2 at the upper end of the jig, and the size of the clamping groove 2 is matched with that of the circuit board.

It should be noted that, the utility model relates to a circuit board testing jig, when working, holding the handle 8 facilitates the rotation between the pushing threaded pipe 6 and the screw rod 5, the external thread of the screw rod 5 matches with the internal thread of the threaded pipe 6, then the lifting of the screw rod 5 is completed, and the working height of the whole jig is adjusted; put into draw-in groove 2 inside of tool upper end through the circuit board that will await measuring, draw-in groove 2 size cooperatees with the circuit board, start promotion cylinder A302 and promotion cylinder B402 switch after the circuit board is fixed, promotion cylinder A302 work promotes piston rod A303 flexible, promotion cylinder B402 work promotes piston rod B403 flexible, the dust removal sponge A305 of assembly plate A304 bottom and the dust removal sponge B405 of assembly plate B404 bottom draw close to the intermediate position, and do periodic reciprocating motion, carry out the surface cleaning to the circuit board that has not tested yet, avoid the circuit board surface to have more dust and other small impurity, prevent that it from producing the influence to the precision of testing result, at last by the test pencil on the tool with the different circuit butt joint on the circuit board detect.

The foregoing shows and describes the basic principles and principal features of the invention, together with the advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a circuit board test fixture, includes tool body (1), its characterized in that: still include dust removal piece A (3) and dust removal piece B (4), dust removal piece A (3) include riser A (301), promote cylinder A (302), piston rod A (303), assembly plate A (304) and dust removal sponge A (305), the symmetric distribution between dust removal piece A (3) and the dust removal piece B (4), tool body (1) upper surface one side bonds and has had riser A (301) that promotes cylinder A (302) through screw demountable installation, and tool body (1) upper surface opposite side bonds and has had riser B (401) that has promoted cylinder B (402) through screw demountable installation, it is flexible that promotion cylinder A (302) one end drives assembly plate A (304) through piston rod A (303), assembly plate A (304) lower surface bonds and has dust removal sponge A (305), it is flexible that promotion cylinder B (402) one end drives assembly plate B (404) through piston rod B (403), assembly plate B (404) lower surface bonds and has dust removal sponge B (405).

2. The circuit board testing jig according to claim 1, wherein: the bottom of the jig body (1) is welded with a screw (5) which is in threaded fit connection with a threaded pipe (6).

3. The circuit board testing jig of claim 2, wherein: and one side of the threaded pipe (6) is fixedly connected with a handle (8).

4. The circuit board testing jig of claim 2, wherein: the bottom of the threaded pipe (6) is integrally formed with a chassis (7).

5. The circuit board testing jig according to claim 1, wherein: the upper surface of the jig body (1) is provided with a clamping groove (2) which can be clamped into a circuit board in a matching manner.