CN216485170U

CN216485170U - Clamping structure of circuit board test fixture

Info

Publication number: CN216485170U
Application number: CN202123043525.8U
Authority: CN
Inventors: 苏军梅
Original assignee: Suzhou Gaowei Electronics Co ltd
Current assignee: Suzhou Gaowei Electronics Co ltd
Priority date: 2021-12-06
Filing date: 2021-12-06
Publication date: 2022-05-10
Anticipated expiration: 2031-12-06

Abstract

The utility model discloses a circuit board test fixture clamping structure, including the clamping platform, the both sides on clamping platform top are vertical grafting respectively have the collateral branch fagging, the top fixedly connected with roof of collateral branch fagging, the vertical cylinder of installing of intermediate position department of roof bottom, the inside on clamping platform top is provided with the clamping ejection of compact structure of being convenient for. This circuit board test fixture clamping structure is through being provided with the groove of taking out, the clamping groove, the buckle, lead to the groove, spacing arris, slide bar and sliding sleeve, in use, the user withstands the outside pull of buckle, the clamping groove moves outward along the slide bar, put the circuit board level to the clamping groove, the position of circuit board is injectd to spacing arris, promote the clamping groove after that, make it return and take out inslot portion, punch holder pushes down under the drive of cylinder, fold fixed circuit board with the clamping groove, accomplish the clamping, the convenient function of taking out of clamping of being convenient for has been realized, the problem of the convenient function of taking out of clamping that the device does not possess is solved.

Description

Clamping structure of circuit board test fixture

Technical Field

The utility model relates to a clamping technical field specifically is a circuit board test fixture clamping structure.

Background

Before a circuit board leaves a factory, a series of circuit detection needs to be carried out, the circuit board is placed on a clamping table, and through the operation conditions of a contact detection circuit and a welding spot, most of clamping structures of common circuit board test fixtures on the market are simple in structure, and have functional defects in the using process and need to be improved, for example, the circuit board is horizontally placed into the clamping table, and is troublesome to take out after the detection is finished, and does not have the function of facilitating the clamping and convenient taking out, and secondly, when the detection contacts are installed, because the contact groups are more, the wiring entanglement and confusion are easy to occur, and the function of facilitating the wire clamping and convenient distinguishing is not provided, besides, in the clamping process, along with the increase of the device age, the pressure plate is easy to deflect, the clamping pressure deviation is caused, the accuracy of the test is influenced, and the function of keeping the pressure plate balanced and stable clamping is not provided, so as to solve the problems, the improvement that corresponds has all been done to this scheme, has improved the structure of clamping platform, changes the clamping groove into pull form, makes things convenient for the clamping and gets the material, has installed the broach of fixed pencil additional at the top simultaneously, and the fixed line of being convenient for prevents in disorder, has increased vertical slide bar and sleeve pipe in the both sides of pressfitting board, can make keep level from top to bottom, prevents to be crooked.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a circuit board test fixture clamping structure to what provide among the above-mentioned background art does not possess the problem of the convenient function of taking out of clamping.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a circuit board test fixture clamping structure, includes the clamping platform, the both sides on clamping platform top are vertical grafting respectively has the collateral branch fagging, the top fixedly connected with roof of collateral branch fagging, the vertical cylinder of installing of intermediate position department of roof bottom, the bottom fixedly connected with punch holder of cylinder, two sets of solidus boards of bottom fixedly connected with of roof, vertical two sets of gag lever posts of installing respectively between the both sides of roof bottom and the top of clamping platform, the inside on clamping platform top is provided with the clamping ejection of compact structure of being convenient for.

The clamping ejection of compact structure of being convenient for is including taking out the groove, take out the inside of groove setting on clamping platform top, it has the clamping groove to take out the front end grafting of inslot portion, the front end on clamping groove top is spliced there is the buckle, the inside in clamping groove is provided with logical groove, four spacing arriss of group of top fixedly connected with in clamping groove, take out the bottom of inslot portion and install two sets of slide bars, two sets of sliding sleeves of bottom fixedly connected with in clamping groove.

Preferably, the shape and the size of the outer part of the clamping groove are matched with those of the inner part of the drawing groove.

Preferably, the sliding rod penetrates through the inner part of the sliding sleeve and extends to the outer part, and the sliding sleeve can slide back and forth along the sliding rod.

Preferably, the front end of the wire fixing plate is provided with a plurality of sets of tooth-shaped grooves, through holes are respectively formed in the inner portions of two sides of the top end of the top plate, and the tooth-shaped grooves are arranged at equal intervals.

Preferably, the wire fixing plates are symmetrically distributed about a vertical center line of the clamping table.

Preferably, the both sides on punch holder top fixedly connected with extend the board respectively, the top of extending the board is provided with the sleeve pipe, the gag lever post runs through the inside of sleeve pipe, extend the board, the sheathed tube internal diameter and the external diameter phase-match of gag lever post.

Compared with the prior art, the beneficial effects of the utility model are that: the clamping structure of the circuit board test fixture not only realizes the function of convenient clamping and taking out, realizes the function of convenient line clamping and distinguishing, but also realizes the function of keeping the pressing plate balanced and stable clamping;

(1) by arranging the drawing groove, the clamping groove, the pinch plate, the through groove, the limiting edge, the slide rod and the sliding sleeve, when the clamping device is used, a user buckles the pinch plate to pull outwards, the clamping groove moves outwards along the slide rod, a circuit board is horizontally placed to the clamping groove, the limiting edge limits the position of the circuit board, then the clamping groove is pushed to return to the inside of the drawing groove, the upper clamp plate is pressed downwards under the driving of the air cylinder, the clamping groove is folded to fix the circuit board, the clamping is completed, the contact pre-installed on the upper clamp plate performs circuit detection on the circuit board at the bottom, the upper clamp plate is separated after the detection is completed, the user draws out the clamping groove, fingers support the circuit board through the through groove, the material taking is convenient, and the function of facilitating the clamping and taking out is realized;

(2) by arranging the wire fixing plate, the tooth-shaped grooves and the through holes, when the detection contact is installed in use, circuits related to the contact can penetrate through the through holes and penetrate through the tooth-shaped grooves on the wire fixing plate one by one according to the serial numbers and the connection sequence, and the detection contact is well classified and fixed by auxiliary tools such as adhesive tapes, so that the subsequent maintenance work is prevented from being influenced by entanglement and disorder, and the function of conveniently distinguishing the clamped wires is realized;

(3) through being provided with gag lever post, sleeve pipe and extension board, during the use, when the drive punch holder of cylinder pushed down and shifts up, sleeve pipe and extension board slide from top to bottom along the gag lever post, and the sleeve pipe that possesses certain length can keep whole and the relative perpendicular of gag lever post to inject the height of punch holder both sides through the extension board, make it keep the horizontality, realized keeping the balanced function of stabilizing the clamping of clamp plate.

Drawings

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

FIG. 2 is a schematic top view of the clamping table of the present invention;

FIG. 3 is a schematic view of the bottom structure of the clamping groove of the present invention;

fig. 4 is a schematic view of the bottom structure of the top plate of the present invention.

In the figure: 1. a clamping table; 2. drawing the groove; 3. clamping grooves; 4. buckling the plate; 5. a through groove; 6. a limiting edge; 7. a slide bar; 8. a sliding sleeve; 9. side supporting plates; 10. a top plate; 11. a wire fixing plate; 12. a tooth-shaped groove; 13. through holes; 14. a cylinder; 15. an upper splint; 16. a limiting rod; 17. a sleeve; 18. an extension plate.

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.

Example 1: referring to fig. 1-4, a clamping structure of a circuit board testing jig comprises a clamping table 1, wherein two sides of the top end of the clamping table 1 are respectively and vertically inserted with a side supporting plate 9, the top end of the side supporting plate 9 is fixedly connected with a top plate 10, an air cylinder 14 is vertically installed in the middle of the bottom end of the top plate 10, the bottom end of the air cylinder 14 is fixedly connected with an upper clamping plate 15, and a structure convenient for clamping and discharging is arranged inside the top end of the clamping table 1;

referring to fig. 1-4, the clamping structure of the circuit board testing jig further comprises a structure facilitating clamping and discharging, the structure facilitating clamping and discharging comprises a drawing groove 2, the drawing groove 2 is arranged inside the top end of a clamping table 1, a clamping groove 3 is inserted into the front end inside the drawing groove 2, a buckle plate 4 is glued to the front end of the top end of the clamping groove 3, a through groove 5 is arranged inside the clamping groove 3, four groups of limiting edges 6 are fixedly connected to the top end of the clamping groove 3, two groups of sliding rods 7 are mounted at the bottom end inside the drawing groove 2, and two groups of sliding sleeves 8 are fixedly connected to the bottom end of the clamping groove 3;

the shape and the size of the outer part of the clamping groove 3 are matched with the shape and the size of the inner part of the drawing groove 2, the sliding rod 7 penetrates through the inner part of the sliding sleeve 8 and extends to the outer part, and the sliding sleeve 8 can slide back and forth along the sliding rod 7, so that the clamping and the blanking are facilitated;

specifically, as shown in fig. 1, fig. 2 and fig. 3, the user buckles the buckle 4 and draws outwards, clamping groove 3 moves outwards along slide bar 7, put the circuit board level to clamping groove 3, spacing arris 6 limits the position of circuit board, promote clamping groove 3 after that, make it return and take out inside groove 2, punch holder 15 pushes down under the drive of cylinder 14, fold fixed circuit board with clamping groove 3, accomplish the clamping, the contact of pre-installation on punch holder 15 carries out the circuit detection to the circuit board of bottom, punch holder 15 separates after finishing detecting, the user takes out clamping groove 3, the finger holds up the circuit board through logical groove 5, be convenient for get the material, the function of being convenient for the clamping conveniently to take out has been realized.

Example 2: the bottom end of the top plate 10 is fixedly connected with two groups of wire fixing plates 11, the front ends of the wire fixing plates 11 are provided with a plurality of groups of tooth-shaped grooves 12, the insides of two sides of the top end of the top plate 10 are respectively provided with through holes 13, the tooth-shaped grooves 12 are arranged at equal intervals, and the wire fixing plates 11 are symmetrically distributed relative to the vertical center line of the clamping table 1, so that lines can be fixed conveniently and prevented from being scattered and entangled;

specifically, as shown in fig. 1 and 4, when the detection contact is installed, a line associated with the contact can pass through the through holes 13 and pass through the tooth-shaped grooves 12 on the wire fixing plate 11 one by one according to the serial numbers and the connection sequence, and the detection contact is well classified and fixed by auxiliary tools such as adhesive tapes, so that subsequent maintenance work is prevented from being affected by entanglement and scattering, and the function of facilitating wire clamping and distinguishing is achieved.

Example 3: two groups of limiting rods 16 are vertically arranged between two sides of the bottom end of the top plate 10 and the top end of the clamping table 1 respectively, two sides of the top end of the upper clamping plate 15 are fixedly connected with extension plates 18 respectively, a sleeve 17 is arranged at the top end of the extension plate 18, the limiting rods 16 penetrate through the sleeve 17 and the extension plates 18, the inner diameter of the sleeve 17 is matched with the outer diameter of the limiting rods 16, and the two sides are kept horizontal conveniently;

specifically, as shown in fig. 1, when the cylinder 14 drives the upper clamp plate 15 to move downward and upward, the sleeve 17 and the extension plate 18 slide up and down along the limit rod 16, the sleeve 17 with a certain length can keep the whole body to be perpendicular to the limit rod 16, and the extension plate 18 limits the heights of the two sides of the upper clamp plate 15 to keep the upper clamp plate in a horizontal state, so that the function of keeping the balance and stable clamping of the pressure plate is realized.

The working principle is as follows: when the utility model is used, firstly, a user buckles the buckle plate 4 to draw outwards, the clamping groove 3 moves outwards along the sliding rod 7, the circuit board is horizontally placed to the clamping groove 3, the position of the circuit board is limited by the limiting edge 6, then the clamping groove 3 is pushed to return to the interior of the drawing groove 2, the upper clamp plate 15 is pressed downwards under the driving of the cylinder 14, the fixed circuit board is folded with the clamping groove 3, the clamping is completed, the contact pre-installed on the upper clamp plate 15 performs circuit detection on the circuit board at the bottom, the upper clamp plate 15 is separated after the detection is completed, the user draws out the clamping groove 3, fingers hold up the circuit board through the through grooves 5, the material is convenient to take out, and the function of conveniently taking out the clamping is realized; when the detection contact is installed, the lines related to the contact can pass through the through holes 13 and pass through the tooth-shaped grooves 12 on the wire fixing plate 11 one by one according to the serial numbers and the connection sequence, and the detection contact is well classified and fixed by auxiliary tools such as adhesive tapes, so that the subsequent maintenance work is prevented from being influenced by entanglement and disorder, and the function of facilitating wire clamping and distinguishing is realized; when the cylinder 14 drives the upper clamping plate 15 to press down and move up, the sleeve 17 and the extension plate 18 slide up and down along the limiting rod 16, the sleeve 17 with a certain length can keep the whole body to be vertical to the limiting rod 16, the heights of two sides of the upper clamping plate 15 are limited through the extension plate 18, the upper clamping plate is kept in a horizontal state, and the function of keeping the pressure plate balanced and stable in clamping is achieved.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a circuit board test fixture clamping structure, includes clamping platform (1), its characterized in that: the clamping device comprises a clamping table (1), side supporting plates (9) are vertically inserted into two sides of the top end of the clamping table (1), a top plate (10) is fixedly connected to the top ends of the side supporting plates (9), an air cylinder (14) is vertically installed in the middle of the bottom end of the top plate (10), an upper clamping plate (15) is fixedly connected to the bottom end of the air cylinder (14), two groups of wire fixing plates (11) are fixedly connected to the bottom end of the top plate (10), two groups of limiting rods (16) are vertically installed between two sides of the bottom end of the top plate (10) and the top end of the clamping table (1), and a structure convenient for clamping and discharging is arranged inside the top end of the clamping table (1);

convenient to clamping ejection of compact structure is including taking out groove (2), take out inside that groove (2) set up on clamping platform (1) top, it has clamping groove (3) to take out the inside front end of groove (2) to peg graft, the front end on clamping groove (3) top is glued there is buckle (4), the inside in clamping groove (3) is provided with logical groove (5), four spacing arriss (6) of group of top fixedly connected with in clamping groove (3), two sets of slide bars (7) are installed to the bottom of taking out groove (2) inside, two sets of sliding sleeves (8) of bottom fixedly connected with in clamping groove (3).

2. The clamping structure of the circuit board testing jig according to claim 1, wherein: the shape and the size of the outer part of the clamping groove (3) are matched with the shape and the size of the inner part of the drawing groove (2).

3. The clamping structure of the circuit board testing jig according to claim 1, characterized in that: the sliding rod (7) penetrates through the inside of the sliding sleeve (8) and extends to the outside, and the sliding sleeve (8) can slide back and forth along the sliding rod (7).

4. The clamping structure of the circuit board testing jig according to claim 1, characterized in that: the front end of the wire fixing plate (11) is provided with a plurality of sets of tooth-shaped grooves (12), through holes (13) are respectively formed in the inner portions of two sides of the top end of the top plate (10), and the tooth-shaped grooves (12) are arranged at equal intervals.

5. The clamping structure of the circuit board testing jig according to claim 1, characterized in that: the wire fixing plates (11) are symmetrically distributed about the vertical center line of the clamping table (1).

6. The clamping structure of the circuit board testing jig according to claim 1, characterized in that: both sides on punch holder (15) top are fixedly connected with extension board (18) respectively, the top of extension board (18) is provided with sleeve pipe (17), gag lever post (16) run through the inside of sleeve pipe (17), extension board (18), the internal diameter of sleeve pipe (17) and the external diameter phase-match of gag lever post (16).