CN216485157U

CN216485157U - Clamping checking fixture for circuit board

Info

Publication number: CN216485157U
Application number: CN202122862756.5U
Authority: CN
Inventors: 王强
Original assignee: Zhejiang Tongxin Micro Intelligent Technology Co ltd
Current assignee: Zhejiang Tongxin Micro Intelligent Technology Co ltd
Priority date: 2021-11-15
Filing date: 2021-11-15
Publication date: 2022-05-10
Anticipated expiration: 2031-11-15

Abstract

The utility model discloses a clamping detection tool for a circuit board, belongs to the technical field of circuit board manufacturing, and solves the problem that the detection tool is easy to wear in the process of clamping the circuit board.

Description

Clamping checking fixture for circuit board

Technical Field

The utility model relates to the field of circuit board manufacturing, in particular to a clamping checking fixture for a circuit board.

Background

At present, chinese patent with publication number CN 207528255U discloses a clamping jig for a circuit board visual inspection instrument, which comprises a support frame, a sliding guide mechanism, a positioning sliding mechanism, a workpiece fixture and a wire fixing clamp, wherein the support frame is a flat hollow cuboid, the sliding guide mechanism is a cylindrical slide rail assembly arranged on parallel wide edges at the bottom of the support frame, the positioning sliding mechanism is a sliding and locking mechanism movably arranged on the upper part of the sliding guide mechanism, the workpiece fixture is arranged on the top of the positioning sliding mechanism in a crossing manner, the wire fixing clamp is arranged on the workpiece fixture, and a circular wire of a circuit board is clamped and fixed in the wire fixing clamp of the circuit board. The clamping jig for the circuit board visual detector clamps and positions the circuit board through the guide sliding mechanism and the positioning sliding mechanism.

According to the technical scheme, the circuit board visual detector is used for clamping the circuit board visual detector in operation, the sliding of the circuit board visual detector is achieved in the operation and locking mode, the sliding block is locked by tightening the sliding block, the manual screw is fixed, and the sliding block cannot slide, so that the sliding rail position is easily worn, the surface unevenness is caused, the service life is shortened, the locking mode is also easily failed, the clamping is not reliable enough in operation, and the problem of sliding is also caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art, at least solves the technical problems in the related art to a certain extent, and provides a clamping detection tool for a circuit board, which has the advantages of simple and various clamping operation modes, convenience in clamping and adjusting and long service life.

In order to solve the technical problems, the technical scheme of the utility model is as follows: the utility model provides an utensil is examined in clamping for circuit board, includes the workstation seat, is provided with the clamping groove on the workstation seat, and the both sides in clamping groove are provided with interior rail, the bottom of workstation seat is provided with logical groove, two parallels two tip on the interior rail are provided with clamping jaw assembly respectively, clamping jaw assembly includes slide and locating plate, slide assembly between two interior rails and with locating plate fixed connection, the both ends of locating plate are taken on the mesa of workstation seat, the center of slide is equipped with the lead screw, the lead screw is used for driving the slide and removes on the interior rail, the tip of lead screw is provided with the hexagonal hole.

Preferably, a fastening mechanism is arranged on the positioning plate and located on the working table, the fastening mechanism comprises an adjusting groove arranged on the positioning plate, an inner groove arranged below the adjusting groove and communicated with the adjusting groove, a friction block embedded in the inner groove, and an adjusting bolt which is in threaded fit with the adjusting groove and moves up and down and is used for driving the friction block to abut against the working table, and the friction block is made of elastic rubber.

Preferably, a row of step feet is arranged on the inner side of the positioning plate.

Preferably, the clamping device further comprises a middle clamping jaw, the middle clamping jaw comprises a middle clamping plate and a sliding seat, step feet are arranged on two sides of the middle clamping plate, the middle clamping plate is fixedly connected with the sliding seat, and the sliding seat is matched with the inner rail in a sliding mode.

Preferably, the bottom of workstation seat is provided with the callus on the sole, the callus on the sole is raised workstation seat and the face of placing.

Preferably, the below that leads to the groove sets up the backup pad, be provided with a plurality of through-holes in the backup pad, it has a plurality of thimbles to run through in the through-hole, the upper end of thimble is the sphere, and the lower extreme of thimble is the bulge, and the bulge passes through the extension spring with the lower extreme that corresponds the through-hole to be fixed, the thimble adopts the copper product.

Compared with the background technology, the technical effects of the utility model are mainly reflected in the following aspects:

1. the relative movement of the two clamping jaw assemblies is controlled by operating the screw rod to effectively fix the circuit board, the screw rod is simple and labor-saving to operate, and the hexagonal hole in the screw rod is used for assembling a hexagonal tool, so that the operation is convenient;

2. the clamping force on the circuit board is uniform and stable, and the clamping device can be suitable for clamping circuit boards of different sizes;

3. can utilize the clutch blocks to carry out the antiskid in the fastening, because the clutch blocks is the rubber material, be difficult for causing scraping and wearing and tearing to metal table surface, increase of service life.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment;

FIG. 2 is an exploded view of the structure of the jaw assembly of the embodiment;

FIG. 3 is a schematic structural view of a work table in the embodiment;

FIG. 4 is a partial structural sectional view of the side of the embodiment.

Reference numerals: 1. a work table base; 11. clamping grooves; 12. an inner rail; 13. a through groove; 2. a jaw assembly; 21. a slide base; 22. positioning a plate; 221. a step foot; 3. a screw rod; 31. a hexagonal hole; 4. a fastening mechanism; 41. an adjustment groove; 42. an inner tank; 43. a friction block; 44. adjusting the bolt; 5. a middle clamping jaw; 51. a middle splint; 6. a foot pad; 71. a support plate; 72. a through hole; 73. a thimble; 731. convex bulging; 732. spherical surface; 74. a tension spring.

Detailed Description

The following detailed description of the embodiments of the present invention is provided in order to make the technical solution of the present invention easier to understand and understand.

Example (b):

the utility model provides an utensil is examined in clamping for circuit board, refers to fig. 1 and fig. 2 and shows, includes workstation seat 1, adopts the metal material, and concrete can use steel or aluminium material, the preferred aluminium material that adopts in this scheme. The worktable base 1 is provided with a clamping groove 11 for placing a circuit board, such as a PCB board. The two sides of the clamping groove 11 are provided with inner rails 12, and the inner rails 12 are rectangular rails. The bottom of workstation seat 1 is provided with logical groove 13, and the effect that leads to groove 13 can be convenient for the circuit board bottom to survey, surveys for the bottom and provides the detection space.

As can be seen in fig. 1, 2 and 3, the two ends of the two parallel inner rails 12 are provided with a jaw assembly 2, respectively. Specifically, the jaw assembly 2 includes a slide base 21 and a positioning plate 22. The sliding base 21 is slidably mounted between the two inner rails 12 and is fixedly connected to the positioning plate 22. The inner side of the positioning plate 22 is provided with a row of step legs 221, the step legs 221 are convenient for protecting and clamping the circuit board, and the step legs 221 can be made of insulating rubber or sponge. The both ends of locating plate 22 are taken on the mesa of workstation seat 1, and the center of slide 21 is equipped with lead screw 3, and lead screw 3 is used for driving slide 21 and moves on inner rail 12, and the tip of lead screw 3 is provided with hexagonal hole 31, and the other end of lead screw 3 is fixed with adjustment handle and nut. The thread structure of the screw rod 3 is not specifically shown, and the thread structure of the screw rod 3 in the scheme can be formed by the following schemes: firstly, the whole length of the screw rod 3 is provided with a thread; and secondly, the thread direction of half of the length of the screw rod 3 is opposite to that of the other half. In the above design, the design idea is the same thread direction, and the plurality of sliders 21 can be kept moving synchronously. The different thread directions are designed to keep the moving directions of the sliding blocks at different thread positions opposite or opposite when the screw rod 3 is operated. What needs to be described about the matching of the sliding seat 21 and the threads is that in the scheme, the sliding seat 21 is provided with a thread bush, the hole in the sliding seat 21 is matched with the threads of the screw rod 3 through the fixed thread bush, and the thread bush can be replaced to achieve the purpose of being convenient for adapting to different screw rods 3.

On the other hand, referring to fig. 4, a fastening mechanism 4 is disposed on the positioning plate 22 at the position of the working platform, the fastening mechanism 4 includes an adjusting groove 41 disposed on the positioning plate 22, an inner groove 42 disposed below the adjusting groove 41 and communicated with the adjusting groove 41, a friction block 43 embedded in the inner groove 42, and an adjusting bolt 44 screwed on the adjusting groove 41 and moving up and down for driving the friction block 43 to abut against the working platform, the friction block 43 is made of elastic rubber.

In this embodiment, for the convenience of clamping and operation, when the threaded sleeve on the sliding seat 21 is removed, the threaded sleeve can be fixed by the fastening mechanism 4. In addition, a middle clamping jaw 5 is added, the middle clamping jaw 5 comprises a middle clamping plate 51 and a sliding seat 21, step feet 221 are arranged on two sides of the middle clamping plate 51, the sliding seat 21 is fixedly connected with the middle clamping plate 51, and the sliding seat 21 is matched with the inner rail 12 in a sliding mode.

The bottom of workstation seat 1 is provided with callus on the sole 6, and callus on the sole 6 is raised workstation seat 1 and the face of placing. A supporting plate 71 is arranged below the through groove 13, a plurality of through holes 72 are arranged on the supporting plate 71, a plurality of ejector pins 73 penetrate through the through holes 72, the upper ends of the ejector pins 73 are spherical surfaces 732, the lower ends of the ejector pins 73 are convex caps 731, the convex caps 731 and the lower ends of the corresponding through holes 72 are fixed through tension springs 74, and the ejector pins 73 are made of copper materials. A lead is connected to the projection 731 for transmitting an electrical signal.

The purpose of design is to realize the convenience of circuit board test, when we need to test the pin of circuit board, through test dish (test point) on the thimble 73 contact circuit board to can fix a position fast and transmit the detected signal, when can effectively carrying out the clamping to the circuit board, save the operation of going to survey the circuit board with universal meter, improve detection efficiency.

The above are only typical examples of the present invention, and besides, the present invention may have other embodiments, and all the technical solutions formed by equivalent substitutions or equivalent changes are within the scope of the present invention as claimed.

Claims

1. The utility model provides an utensil is examined in clamping for circuit board, includes table seat (1), is provided with clamping groove (11) on table seat (1), and the both sides of clamping groove (11) are provided with inner rail (12), characterized by: the bottom of workstation seat (1) is provided with logical groove (13), two parallels two tip on interior rail (12) are provided with clamping jaw assembly (2) respectively, clamping jaw assembly (2) are including slide (21) and locating plate (22), slide (21) slide the assembly in two interior rail (12) between and with locating plate (22) fixed connection, the both ends of locating plate (22) are taken on the mesa of workstation seat (1), the center of slide (21) is equipped with lead screw (3), lead screw (3) are used for driving slide (21) and move on interior rail (12), the tip of lead screw (3) is provided with hexagonal hole (31).

2. The clamping inspection tool for the circuit board as claimed in claim 1, wherein: the positioning plate is characterized in that a fastening mechanism (4) is arranged on the positioning plate (22) and positioned on the working table top, the fastening mechanism (4) comprises an adjusting groove (41) arranged on the positioning plate (22), an inner groove (42) arranged below the adjusting groove (41) and communicated with the adjusting groove (41), a friction block (43) embedded in the inner groove (42), and an adjusting bolt (44) which is in threaded fit with the adjusting groove (41) and moves up and down and is used for driving the friction block (43) to abut against the working table top, wherein the friction block (43) is made of elastic rubber.

3. The clamping inspection tool for the circuit board as claimed in claim 1, wherein: the inner side of the positioning plate (22) is provided with a row of step feet (221).

4. The clamping detection tool for the circuit board according to any one of claims 1 to 3, which is characterized in that: still include middle part clamping jaw (5), middle part clamping jaw (5) have well splint (51) and slide (21) of step foot (221) including both sides, well splint (51) and slide (21) fixed connection, slide (21) and interior rail (12) cooperation of sliding.

5. The clamping inspection tool for the circuit board as claimed in claim 1, wherein: the bottom of workstation seat (1) is provided with callus on the sole (6), callus on the sole (6) are raised workstation seat (1) and the face of placing.

6. The clamping detection tool for the circuit board as claimed in claim 5, wherein: the below that leads to groove (13) sets up backup pad (71), be provided with a plurality of through-holes (72) on backup pad (71), it has a plurality of thimbles (73) to run through in through-hole (72), the upper end of thimble (73) is sphere (732), and the lower extreme of thimble (73) is protruding to be emitted (731), and it is fixed through extension spring (74) that protruding to emit (731) and the lower extreme that corresponds through-hole (72), thimble (73) adopt the copper product.