CN219392209U - PCB board test fixture of quick location - Google Patents

Abstract

The utility model provides a PCB board test fixture of quick location, includes bottom plate and landing leg, the top left side rigid coupling of bottom plate has a plurality of landing legs, the top rigid coupling of landing leg has first diaphragm, short circuit detector is installed to the top of first diaphragm, positioner is installed to the top of bottom plate, elevating gear is installed to positioner's below. Can be earlier with the PCB board that needs to detect remove to between two splint, start the electricity push rod, make the electricity push rod carry out the extension motion, the electricity push rod can drive the horizontal pole like this and carry out the extension motion, make the horizontal pole drive splint remove to can carry out quick positioning to the PCB board through splint, adopt the mechanical structure that can automatic fixation PCB board to replace original manual fixed PCB board structure like this, not only reduced work load, also practiced thrift the time.

Description

PCB board test fixture of quick location

Technical Field

The utility model relates to a PCB test fixture, in particular to a PCB test fixture capable of being positioned quickly.

Background

The PCB board, chinese name is printed circuit board, also called printed circuit board, is an important electronic component, is a support of electronic components, is a carrier for electronic connection of electronic components, is called "printed" circuit board because it is made by adopting electronic printing technique, and in order to ensure normal use of PCB board, it is necessary to test the PCB board by test fixture after its production and processing are completed.

For example, application publication number CN114778894a, which is a PCB positioning mechanism and a testing device thereof. According to the PCB positioning mechanism and the PCB testing device, the protection mechanism, the height adjusting mechanism, the positioning mechanism and the pressing mechanism are arranged, so that the PCB testing device is provided with the positioning and fixing mechanism, and the front and back sides of the PCB are conveniently and rapidly tested when the PCB is tested, the PCB testing speed is accelerated, and meanwhile, the accuracy of the PCB testing is improved.

However, the above-mentioned testing device still has some problems when using, for example, need rotate the location drive piece in the aforesaid and drive the location lead screw and rotate, the location lead screw control screw thread sliding block drives symmetrical fixed plate and removes to this fixes the PCB board of equidimension, but the PCB board quantity that same batch produced is very much, if the PCB board of every test all need be fixed by manual mode, so not only the work load is big, but also wasted a large amount of time, in the aforesaid also by manual mode slip location lead screw along symmetrical regulation pole surface to this height according to test needs regulation PCB board, just so further reduced the test efficiency to the PCB board.

Disclosure of Invention

The utility model aims to solve the problems in the prior art, and provides a PCB test fixture capable of being positioned quickly, so as to achieve the effects of positioning the PCB and adjusting the height of the PCB quickly.

The utility model solves the technical problems by adopting the technical scheme that: the PCB testing jig capable of being positioned rapidly comprises a bottom plate and supporting legs, wherein a plurality of supporting legs are fixedly connected to the left side of the upper portion of the bottom plate, a first transverse plate is fixedly connected to the upper portion of each supporting leg, a short circuit detector is arranged above the first transverse plate, a positioning device is arranged above the bottom plate, and a lifting device is arranged below the positioning device.

For further improvement, the positioning device comprises a first vertical plate, the lower parts of the left vertical plate and the right vertical plate are fixedly connected with the bottom plate, a first sliding block is slidably clamped at the sliding groove of the first vertical plate, a second transverse plate is fixedly connected to the inner side of the first sliding block, a plurality of second vertical plates are fixedly connected to the upper parts of the second transverse plates, and a transverse rod is fixedly connected to the upper parts of the inner sides of the second vertical plates.

Further perfecting, the inside rigid coupling of horizontal pole has splint, can fix the PCB board through two splint like this.

Further perfecting, the front end face inner side of the cross rod is rotationally connected with an electric push rod through a rotating shaft, the lower part of the electric push rod is rotationally connected with a first concave plate through the rotating shaft, and the lower part of the first concave plate is fixedly connected with a second cross plate, so that the electric push rod can drive the clamping plate to move through the cross rod.

Further perfecting, elevating gear includes the second concave plate, control the below and the bottom plate looks rigid coupling of second concave plate, second concave plate recess department is connected with the connecting rod through the pivot rotation, the top of connecting rod is connected with first rectangle piece through the pivot rotation, and the top rigid coupling of first rectangle piece has the second slider, the top of second slider and the spout department slip joint of second diaphragm, the rigid coupling has the second rectangle piece in the middle of the outside of connecting rod, and the outside rigid coupling of second rectangle piece has the cotton rope.

Further perfecting, the T shaped plate is installed to the outside outer wall of cotton rope, and the through-hole department inner wall of T shaped plate and the outer wall clearance fit of cotton rope, the outside and the below of T shaped plate respectively with first riser and bottom plate looks rigid coupling, can play spacing effect to the cotton rope through the T shaped plate like this.

The beneficial effects of the utility model are as follows: according to the utility model, the PCB to be detected can be moved between the two clamping plates, the electric push rod is started to enable the electric push rod to conduct elongation movement, so that the electric push rod can drive the cross rod to conduct elongation movement, and the cross rod drives the clamping plates to move, so that the PCB can be rapidly positioned through the clamping plates, and the original manual fixed PCB structure is replaced by adopting a mechanical structure capable of automatically fixing the PCB, so that the workload is reduced, and the time is saved;

and then the rope is driven to move outwards through a corresponding structure, so that the rope drives the connecting rod to rotate, the connecting rod can drive the second sliding block to move at the chute of the second transverse plate through the rectangular block, and meanwhile, the second sliding block is matched with the first sliding block to drive the second transverse plate to move, so that the second transverse plate can adjust the height of the PCB through the second vertical plate, the clamping plate and the like, and the original structure for manually adjusting the height of the PCB is replaced by adopting a mechanical structure capable of automatically adjusting the height of the PCB, so that the testing efficiency of the PCB is further improved, and then the testing circuit and the testing probe are connected with the testing jack of the short-circuit detector and the PCB, so that the PCB can be tested through the short-circuit detector.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a cross-sectional view of FIG. 1;

FIG. 3 is a schematic view of the structure of the clamping plate, cross bar and electric push rod of FIG. 2;

FIG. 4 is a schematic view of the second slider, link and second cross-plate of FIG. 2;

fig. 5 is a schematic view of the motor, rollers and cords of fig. 2.

Reference numerals illustrate: in the figure: 1. bottom plate, 2, landing leg, 3, positioner, 301, first riser, 302, first slider, 303, second diaphragm, 304, second riser, 305, horizontal pole, 4, elevating gear, 401, second concave plate, 402, connecting rod, 403, first rectangular piece, 404, second slider, 405, second rectangular piece, 406, cotton rope, 4A1, running roller, 4A2, motor, 5, first diaphragm, 6, short circuit detector, 7, splint, 8, electric putter, 9, first concave plate, 10, T shaped plate.

Detailed Description

The utility model is further described below with reference to the accompanying drawings:

example 1:

referring to the drawings: in this embodiment, PCB board test fixture of quick location, including bottom plate 1 and landing leg 2, the top left side rigid coupling of bottom plate 1 has 2 landing legs 2, the top rigid coupling of landing leg 2 has first diaphragm 5, short circuit detector 6 is installed to the top of first diaphragm 5, short circuit detector 6 can test to the PCB board through test line and test probe, this is the technical means that has been disclosed in application publication number CN 114778894A's a PCB board positioning mechanism and testing arrangement, therefore the technical means that the field personnel can realize completely, the model of short circuit detector 6 also can adopt the short circuit detector model in this patent simultaneously, positioner 3 is installed to the top of bottom plate 1, can carry out quick location to the PCB board automatically through positioner 3, elevating gear 4 is installed to the below of positioner 3, can adjust the height of PCB board automatically through elevating gear 4, thereby test efficiency has been increased.

The positioning device 3 comprises a first vertical plate 301, a first sliding block 302, a second transverse plate 303, a second vertical plate 304 and a transverse rod 305, wherein the lower part of the left and right first vertical plates 301 is fixedly connected with a bottom plate 1, the inner side of the first vertical plate 301 is provided with a sliding groove, the sliding groove of the first vertical plate 301 is slidably clamped with the first sliding block 302, the inner side of the first sliding block 302 is fixedly connected with the second transverse plate 303, the lower part of the second transverse plate 303 is provided with a sliding groove, 2 second vertical plates 304 are fixedly connected above the second transverse plate 303, the upper part of the inner side of the second transverse plate 304 is fixedly connected with a transverse rod 305, the transverse rod 305 is provided with retractility, the inner side of the transverse rod 305 is fixedly connected with a clamping plate 7, the PCB plate can be abutted and fixed through the two clamping plates 7, the inner side of the front end face of the transverse rod 305 is rotationally connected with an electric push rod 8 through a rotating shaft, the electric push rod 8 can be selected according to the requirements of a user, the lower part of the electric push rod 8 can be driven to perform telescopic motion through the rotating shaft, the electric push rod 8 is rotationally connected with a first concave plate 9, and the lower part of the first concave plate 9 is fixedly connected with the second transverse plate 303;

can be earlier with the PCB board that needs to detect remove between two splint 7, start electric push rod 8, make electric push rod 8 carry out the extension motion, electric push rod 8 can drive horizontal pole 305 like this and carry out the extension motion, make horizontal pole 305 drive splint 7 and remove to can carry out the quick location to the PCB board through splint 7, adopt the mechanical structure that can automatic fixation PCB board to replace original manual fixed PCB board structure like this, not only reduced work load, but also practiced thrift the time.

The lifting device 4 comprises a second concave plate 401, a connecting rod 402, a first rectangular block 403, a second sliding block 404, a second rectangular block 405 and a rope 406, wherein the lower part of the left and right second concave plates 401 is fixedly connected with the bottom plate 1, the groove of the second concave plate 401 is rotationally connected with the connecting rod 402 through a rotating shaft, the upper part of the connecting rod 402 is rotationally connected with the first rectangular block 403 through the rotating shaft, the upper part of the first rectangular block 403 is fixedly connected with the second sliding block 404, the connecting rod 402 can drive the second sliding block 404 to move through the first rectangular block 403, the upper part of the second sliding block 404 is in sliding clamping connection with the sliding groove of the second transverse plate 303, the second sliding block 404 is matched with the first sliding block 302 to drive the second transverse plate 303 to move, the second rectangular block 405 is fixedly connected with the outer side of the connecting rod 402, the rope 406 can drive the connecting rod 402 to rotate through the second rectangular block 405, the outer side of the rope 406 is provided with a T-shaped plate 10, the inner part of the T-shaped plate 10 is processed with a through hole, the inner wall of the through hole of the T-shaped plate 10 is in clearance fit with the outer wall of the T-shaped plate 406, and the outer side of the T-shaped plate 10 is fixedly connected with the first transverse plate 301 and the outer side of the bottom plate 301 is fixedly connected with the first transverse plate 301 and the bottom plate 301 respectively;

the rope 406 can be driven to move outwards through a corresponding structure, the rope 406 drives the connecting rod 402 to rotate, the connecting rod 402 can drive the second sliding block 404 to move at the sliding groove of the second transverse plate 303 through the rectangular block 403, meanwhile, the second sliding block 404 is matched with the first sliding block 302 to drive the second transverse plate 303 to move, so that the height of the PCB can be adjusted through the second vertical plate 304, the clamping plate 7 and the like, the original structure for manually adjusting the height of the PCB can be replaced by adopting a mechanical structure capable of automatically adjusting the height of the PCB, the testing efficiency of the PCB is further improved, and then a testing circuit and a testing probe are connected with a testing jack of the short-circuit detector 6 and the PCB, so that the PCB can be tested through the short-circuit detector 6.

When an operator needs to use the PCB test fixture with quick positioning, the PCB to be detected can be moved between the two clamping plates 7, the electric push rod 8 is started, so that the electric push rod 8 can drive the cross rod 305 to perform elongation movement, and the cross rod 305 can drive the clamping plates 7 to move, so that the PCB can be quickly positioned through the clamping plates 7, and the original manual fixed PCB structure is replaced by adopting a mechanical structure capable of automatically fixing the PCB, so that the workload is reduced, and the time is saved;

then, the rope 406 is driven to move outwards through a corresponding structure, the rope 406 drives the connecting rod 402 to rotate, the connecting rod 402 can drive the second sliding block 404 to move at the sliding groove of the second transverse plate 303 through the rectangular block 403, and meanwhile, the second sliding block 404 is matched with the first sliding block 302 to drive the second transverse plate 303 to move, so that the height of the PCB can be adjusted through the second vertical plate 304, the clamping plate 7 and the like, the original structure for manually adjusting the height of the PCB is replaced by a mechanical structure capable of automatically adjusting the height of the PCB, the testing efficiency of the PCB is further improved, and then a testing circuit and a testing probe are connected with a testing jack of the short-circuit detector 6 and the PCB, so that the PCB can be tested through the short-circuit detector 6.

Example 2:

referring to the drawings: in this embodiment, a quick positioning's PCB board test fixture, elevating gear 4 can also include running roller 4A1 and motor 4A2, the top roller of controlling running roller 4A1 rotates with T shaped plate 10 and links to each other, and the middle outer wall of running roller 4A1 twines with cotton rope 406 and links to each other, can receive line and unwrapping wire motion to the cotton rope 406 through running roller 4A1, the below roller department rigid coupling of running roller 4A1 has motor 4A2, the model of motor 4A2 can be selected according to the user demand, can drive running roller 4A1 through the output shaft of motor 4A2 and rotate, and the below outer wall of motor 4A2 and the inside looks rigid coupling of bottom plate 1.

The output shaft of the motor 4A2 may drive the roller 4A1 to rotate, so that the roller 4A1 may perform winding and unwinding movements on the cord 406, and thus may drive the link 402 to rotate.

When an operator needs to use the rapidly positioned PCB test fixture, an external power supply of the motor 4A2 is connected, the motor 4A2 is started, the roller 4A1 can be driven to rotate by the output shaft of the motor 4A2, the roller 4A1 can carry out wire winding and unwinding movements on the wire rope 406, and accordingly the connecting rod 402 can be driven to rotate

While the utility model has been shown and described with reference to a preferred embodiment, it will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the scope of the utility model.

Claims (6)

1. The utility model provides a PCB board test fixture of quick location, includes bottom plate (1) and landing leg (2), the top left side rigid coupling of bottom plate (1) has a plurality of landing legs (2), characterized by: the utility model discloses a landing leg, including landing leg (2), short circuit detector (6), positioner (3) are installed to the top rigid coupling of landing leg (2), short circuit detector (4) are installed to the top of first diaphragm (5), positioner (3) are installed to the top of bottom plate (1), elevating gear (4) are installed to the below of positioner (3).

2. The rapid positioning PCB testing jig of claim 1, wherein: the positioning device (3) comprises a first vertical plate (301), the lower part of the first vertical plate (301) is fixedly connected with a bottom plate (1), a first sliding block (302) is slidably clamped at a sliding groove of the first vertical plate (301), a second transverse plate (303) is fixedly connected to the inner side of the first sliding block (302), a plurality of second vertical plates (304) are fixedly connected to the upper part of the second transverse plate (303), and a transverse rod (305) is fixedly connected to the upper part of the inner side of the second vertical plate (304).

3. The rapid positioning PCB testing jig of claim 2, wherein: the inner side of the cross rod (305) is fixedly connected with a clamping plate (7).

4. The rapid positioning PCB testing jig of claim 3, wherein: the inner side of the front end face of the cross rod (305) is rotationally connected with an electric push rod (8) through a rotating shaft, the lower side of the electric push rod (8) is rotationally connected with a first concave plate (9) through the rotating shaft, and the lower side of the first concave plate (9) is fixedly connected with a second transverse plate (303).

5. The rapid positioning PCB testing jig of claim 1, wherein: the lifting device (4) comprises a second concave plate (401), the lower part of the second concave plate (401) is fixedly connected with a bottom plate (1), a connecting rod (402) is rotationally connected to a groove of the second concave plate (401) through a rotating shaft, a first rectangular block (403) is rotationally connected to the upper part of the connecting rod (402) through the rotating shaft, a second sliding block (404) is fixedly connected to the upper part of the first rectangular block (403), the upper part of the second sliding block (404) is slidably clamped with a sliding groove of a second transverse plate (303), a second rectangular block (405) is fixedly connected to the middle of the outer side of the connecting rod (402), and a rope (406) is fixedly connected to the outer side of the second rectangular block (405).

6. The rapid positioning PCB testing jig of claim 5, wherein: the T-shaped plate (10) is arranged on the outer side outer wall of the rope (406), the inner wall of the through hole of the T-shaped plate (10) is in clearance fit with the outer wall of the rope (406), and the outer side and the lower side of the T-shaped plate (10) are fixedly connected with the first vertical plate (301) and the bottom plate (1) respectively.