CN218213289U

CN218213289U - PCBA test fixture

Info

Publication number: CN218213289U
Application number: CN202221875624.4U
Authority: CN
Inventors: 郭纪军
Original assignee: Hefei Zhuoyi Hengtong Information Security Co Ltd
Current assignee: Hefei Zhuoyi Hengtong Information Security Co Ltd
Priority date: 2022-07-13
Filing date: 2022-07-13
Publication date: 2023-01-03
Anticipated expiration: 2032-07-13

Abstract

The utility model relates to a PCBA test fixture. This PCBA test fixture includes: the test fixture comprises a base (1) for placing a PCBA to be tested, at least one PCBA fixing stud (2) for fixing the PCBA to be tested on the base (1), a first rotary connecting table (3) fixed on the base (1), a stand column (4) and at least one clamping mechanism (5) for fixing a test joint; the lower end of the upright post (4) is connected to the first rotary connecting table (3) so as to be vertically fixed above the base (1) in a manner of horizontally rotating relative to the base (1), and the clamping mechanism (5) is fixed at the upper end of the upright post (4) in a manner of adjusting the vertical position relative to the upright post (4). The PCBA test fixture of the utility model can simultaneously clamp and fix a plurality of test joints with different shapes; the position of the PCBA on the test board can be adjusted and fixed at will according to requirements; the PCBA test is facilitated, and the test efficiency is improved.

Description

PCBA test fixture

Technical Field

The utility model relates to a PCBA tests technical field, especially relates to a PCBA test fixture.

Background

A Printed Circuit Board (PCB) is manufactured by electronic printing, is an important electronic component in the electronic industry, is a support for an electronic component, and is a carrier for connecting the electronic component. The PCB generally refers to an empty Printed Circuit Board, and the PCBA (Printed Circuit Board Assembly) refers to a finished Board formed by assembling various electronic components on the PCB through processes such as surface mount technology.

At present, during PCBA testing, a plurality of test connectors are required to be used for simultaneously detecting different test points of PCBA, but various test connector forms and sizes are different, and when the test connectors in a plurality of different forms are simultaneously detected, the connectors are required to be simultaneously fixed, so that the PCBA tester is headache.

SUMMERY OF THE UTILITY MODEL

Therefore, an object of the utility model is to provide a PCBA test fixture solves the fixed problem of a plurality of test connector simultaneous testing of different forms.

In order to achieve the above object, the utility model provides a PCBA test fixture, include: the test fixture comprises a base, at least one PCBA fixing stud, a first rotary connecting table, a stand column and at least one clamping mechanism, wherein the base is used for placing a PCBA to be tested; the lower end of the upright post is connected to the first rotary connecting table so as to be vertically fixed above the base in a manner of horizontally rotating relative to the base, and the clamping mechanism is fixed at the upper end of the upright post in a manner of adjusting the vertical position relative to the upright post. Through the quantity that sets up fixture, can be applicable to a plurality of test connectors of different forms and test simultaneously under some occasions.

The clamping mechanism comprises a first hand-screwed nut, a clamping cross beam and a clamping hand for fixing the test joint; one end of the clamping cross beam is mounted to the upper end of the upright column in a manner of sliding up and down relative to the upright column, and the upper and lower positions of the clamping cross beam relative to the upright column are locked by a first hand-screwed nut arranged at the one end of the clamping cross beam; the clamping hand is mounted to the other end of the clamping beam in a manner that the clamping hand can horizontally slide relative to the clamping beam.

The clamping hand comprises a second hand-screwed nut, a sliding block, a second rotary connecting table, a sliding rail and at least one first clamping lock and/or at least one second clamping lock for fixing the test joint; the sliding block is arranged on the clamping cross beam in a manner of horizontally sliding relative to the clamping cross beam, and the second hand-screwed nut is arranged on the sliding block and used for locking the position of the sliding block relative to the clamping cross beam; the upper end of the second rotary connecting table is connected with the sliding block, the lower end of the second rotary connecting table is connected with the sliding rail, and the sliding rail can rotate in the horizontal direction relative to the sliding block through the second rotary connecting table; the first clamping lock and/or the second clamping lock are/is arranged on the slide rail in a sliding mode along the slide rail, and a fixing device is arranged to fix the position of the first clamping lock and/or the second clamping lock on the slide rail.

The second rotary connecting table can also rotate in the vertical direction relative to the sliding block and is locked in a position.

The second rotary connection platform can be of a similar pan-tilt structure, the sliding rail is fixed on the second rotary connection platform, the sliding rail can be in two horizontal and vertical parking forms relative to the sliding block through the change of 0-90 degrees of the connecting mechanism of the second rotary connection platform, the connecting mechanism of the second rotary connection platform connected with the sliding rail has a movement form of 0-90 degrees, and therefore the sliding rail is in two horizontal and vertical forms along with the sliding rail.

Wherein, the second rotary connecting platform is a tripod head structure.

Wherein, first centre gripping lock includes centre gripping upper cover, centre gripping lower cover, axle and third hand screwed nut, the one end of centre gripping upper cover and centre gripping lower cover is in the same place through the pivot connection, the other end of centre gripping upper cover and centre gripping lower cover is equipped with the screw that corresponds third hand screwed nut, the cooperation of third hand screwed nut the screw can control opening and locking of the relative centre gripping lower cover of centre gripping upper cover to clip corresponding test joint.

Wherein, the nut is twisted to the second centre gripping lock includes first centre gripping base member, second centre gripping base member and fourth hand, be used for cliping the corresponding surface that corresponds test connector on first centre gripping base member and the second centre gripping base member and can be close to each other or keep away from along with the relative movement of first centre gripping base member and second centre gripping base member be equipped with corresponding screw on first centre gripping base member and the second centre gripping base member respectively for the nut is twisted to the fourth hand links together first centre gripping base member and second centre gripping base member and adjusts the relative position of first centre gripping base member and second centre gripping base member to clip corresponding test connector.

The fixing devices of the first clamping lock and the second clamping lock are respectively a fifth-hand screwing nut and a sixth-hand screwing nut, and the positions of the first clamping lock and the second clamping lock on the sliding rail are fixed through the cooperation of the fifth-hand screwing nut and the sixth-hand screwing nut and corresponding screw holes on the first clamping lock and the second clamping lock.

The base is made of a metal material capable of adsorbing the magnet.

Wherein, PCBA fixed stud includes metal stud and magnet, the bottom bonding magnet of metal stud is in order to be used for fixing extremely through the magnet absorption the base, the tip of metal stud is equipped with attacks the tooth in order to be used for fixed PCBA that awaits measuring.

To sum up, the PCBA test fixture of the utility model can simultaneously clamp and fix a plurality of test connectors with different shapes; the position of the PCBA on the test board can be adjusted and fixed at will according to requirements; the PCBA test is facilitated, and the test efficiency is improved.

Drawings

The technical solution and other advantages of the present invention will become apparent from the following detailed description of the embodiments of the present invention, which is to be read in connection with the accompanying drawings.

In the attached figures, the drawing is shown,

FIG. 1 is a perspective view of a PCBA test fixture according to a preferred embodiment of the present invention;

FIG. 2 is a perspective view of a PCBA fixing stud according to a preferred embodiment of the PCBA test fixture of the present invention;

FIGS. 3A and 3B are schematic perspective views of different angles of a clamping mechanism of a preferred embodiment of the PCBA test fixture of the present invention;

FIG. 4 is a perspective view of another embodiment of a clamping mechanism of the PCBA test fixture of the present invention;

FIGS. 5A and 5B are schematic perspective views illustrating a closed state and an open state of a first clamping lock of a PCBA testing jig according to a preferred embodiment of the present invention;

fig. 6 is a perspective view of a second clamping lock according to a preferred embodiment of the PCBA test fixture of the present invention.

Detailed Description

Referring to fig. 1, it is a schematic perspective view of a PCBA test fixture according to a preferred embodiment of the present invention. The utility model discloses a PCBA test fixture mainly includes: the test fixture comprises a base 1 for placing a PCBA to be tested, at least one PCBA fixing stud 2 for fixing the PCBA to be tested on the base 1, a first rotary connecting table 3 fixed on the base 1, a stand column 4 and at least one clamping mechanism 5 for fixing a test joint; the lower end of the upright post 4 is connected to the first rotary connecting table 3 so as to be vertically fixed above the base 1 in a manner of being horizontally rotatable relative to the base 1, and the clamping mechanism 5 is fixed at the upper end of the upright post 4 in a manner of being adjustable in the up-down position relative to the upright post 4. Wherein, the utility model discloses a fixture 5 can be as required optional equipment a set of or multiunit among the test fixture to do benefit to the fixed test connector of a plurality of different forms of centre gripping simultaneously, through the quantity that sets up fixture 5, can be applicable to a plurality of test connector simultaneous tests of different forms in some occasions. In the preferred embodiment, a set of clamping mechanisms 5 is illustrated. In the preferred embodiment, the base 1 is connected to the first rotary connecting platform 3, the column 4 is connected to the first rotary connecting platform 3, and the first rotary connecting platform 3 can rotate with a certain damping force, similar to the function of a rotating shaft, so that the column 4 can rotate 360 degrees relative to the base 1. Those skilled in the art will appreciate that in other embodiments, the first rotary joint table 3 may be fixed on the base 1 without rotating itself, the upright column 4 is connected to the first rotary joint table 3 through a connecting mechanism and the connecting mechanism can rotate relative to the first rotary joint table 3, so that the upright column 4 can rotate relative to the first rotary joint table 3 and the base 1; in addition, the rotary damping and the rotary angle range of the upright post 4 can be correspondingly designed according to actual requirements.

Referring to fig. 2, it is a schematic perspective view of the PCBA fixing stud according to a preferred embodiment of the PCBA testing fixture of the present invention. In the preferred embodiment, the base 1 is made of a metal material capable of adsorbing the magnet, and further, the PCBA fixing stud 2 may include a metal stud 21 and a magnet 22, as can be seen from fig. 1 and 2, the magnet 22 is adhered to the bottom of the metal stud 21 for adsorbing and fixing to the base 1 through the magnet 22, and the end of the metal stud 21 is provided with a tapping 211 for matching with a corresponding nut or other parts to fix the PCBA to be tested. PCBA fixing stud 2 can be adsorbed on base 1 and adjust the position at will, and the quantity can be as required the optional equipment a set of or multiunit to the realization can be as required adjust at will, the demand of fixed PCBA in the position of testboard.

Referring to fig. 3A and 3B, which are perspective views of different angles of the clamping mechanism of a preferred embodiment of the PCBA test fixture of the present invention, and referring to fig. 1, in this preferred embodiment, the clamping mechanism 5 mainly includes a first hand-screwed nut 51, a clamping beam 52, and a clamping hand 53 for fixing a test connector; one end of the clamping beam 52 is mounted to the upper end of the column 4 in a manner that the clamping beam can slide up and down relative to the column 4, and the vertical position of the clamping beam 52 relative to the column 4 is locked by a first hand nut 51 arranged at the one end of the clamping beam 52; the holding hand 53 is attached to the other end of the holding cross member 52 in such a manner as to be horizontally slidable with respect to the holding cross member 52. The clamping mechanism 5 is fixed on the upright post 4 and can slide up and down relative to the upright post 4, and the first hand-screwed nut 51 can lock the sliding position of the clamping mechanism 5 relative to the upright post 4, so that the clamping mechanism can be adjusted at will according to requirements.

The clamping arm 53 mainly includes a second threaded nut 531, a slider 532, a second rotary connecting table 533, a slide rail 534, and at least one first clamping lock 535 and/or at least one second clamping lock 536 for fixing the test connectors, so as to clamp and fix a plurality of test connectors of different shapes at the same time and optionally adjust the number as required, and in the preferred embodiment, the present invention is described by taking a first clamping lock 535 and a second clamping lock 536 as examples; the sliding block 532 is mounted on the clamping beam 52 in a manner of horizontally sliding relative to the clamping beam 52, and the second hand-screwed nut 531 is arranged on the sliding block 532 for locking the position of the sliding block 532 relative to the clamping beam 52; the upper end of the second rotary connecting table 533 is connected to the slider 532, the lower end of the second rotary connecting table 533 is connected to the slide rail 534, and the slide rail 534 can rotate in the horizontal direction relative to the slider 532 via the second rotary connecting table 533; the first clamping lock 535 and/or the second clamping lock 536 is slidably mounted on the sliding rail 534 along the sliding rail 534, and a fixing device is provided to fix the position of the first clamping lock 535 and/or the second clamping lock 536 on the sliding rail 534.

The utility model discloses a test fixture through first centre gripping lock 535 and/or second centre gripping lock 536 can tackle the fixed PCBA test occasion of a plurality of test connector centre gripping simultaneously of different forms, brings the convenience for the test, improves efficiency of software testing.

In the preferred embodiment, the sliding block 532 can slide horizontally relative to the clamping beam 52, and the second hand nut 531 can lock the sliding position of the clamping hand 53 relative to the clamping beam 52, so that the sliding position can be adjusted as required. The fixing devices of the first clamping lock 535 and the second clamping lock 536 are respectively a fifth hand nut 537 and a sixth hand nut 538, and the positions of the first clamping lock 535 and the second clamping lock 536 on the sliding rail 534 can be fixed by the cooperation of the fifth hand nut 537 and the sixth hand nut 538 with corresponding screw holes on the first clamping lock 535 and the second clamping lock 536; thus, the first clamping lock 535 and the second clamping lock 536 can slide along the sliding rail 534 relative to the sliding rail 534, and the fifth hand nut 537 and the sixth hand nut 538 can lock the sliding position of the first clamping lock 535 and the second clamping lock 536 relative to the sliding rail 534, respectively. Thereby the utility model discloses a PCBA test fixture can adjust at will as required with the fixed test connector of a plurality of different forms of centre gripping simultaneously.

Referring to fig. 4, which is a perspective view of another embodiment of the clamping mechanism of the PCBA test fixture of the present invention, and referring to fig. 1, fig. 3A and fig. 3B, in this embodiment, the second rotary connecting table 533 can also rotate in the vertical direction relative to the sliding block 532 and lock the position. That is, in the preferred embodiment, the second rotary connecting table 533 can generate a certain angle range of motion in the vertical direction, for example, any angle of 0 to 90 degrees, in addition to the horizontal rotation with a certain damping force, and can be locked to form the second resting position. In this preferred embodiment, the second rotary connecting stage 533 can be a pan-tilt structure; in other embodiments, the second rotary connecting stage 533 can also adopt other structures similar to a pan-tilt head, which can achieve the same function. Thereby, the utility model discloses a PCBA test fixture can adjust the test connection with the fixed a plurality of different forms of centre gripping simultaneously at will as required.

Furthermore, the second rotary connecting platform 533 may be similar to a pan-tilt structure, the sliding rail 534 is fixed to the second rotary connecting platform 533, the sliding rail 534 can realize two horizontal and vertical parking forms of the sliding rail 534 relative to the sliding block 532 through the change of 0-90 degrees of the connecting mechanism of the second rotary connecting platform 533, and the connecting mechanism of the second rotary connecting platform 533 has a movement form of 0-90 degrees, so that the sliding rail 534 realizes two horizontal and vertical forms along with the connecting mechanism.

Referring to fig. 5A and 5B, which are schematic perspective views illustrating a closed state and an open state of the first clamping lock of the PCBA test fixture according to a preferred embodiment of the present invention, and referring to fig. 3B, in this preferred embodiment, the first clamping lock 535 mainly includes a clamping upper cover 5351, a clamping lower cover 5352, a shaft 5353, and a third hand nut 5354, one ends of the clamping upper cover 5351 and the clamping lower cover 5352 are pivotally connected together through the shaft 5353, the other ends of the clamping upper cover 5351 and the clamping lower cover 5352 are provided with screw holes corresponding to the third hand nut 5354, and the third hand nut 5354 is capable of controlling the opening and the locking of the clamping upper cover 5351 relative to the clamping lower cover 5352 in cooperation with the screw holes, so as to clamp a corresponding test connector.

In the preferred embodiment, the clamping upper cap 5351 is rotatable about the axis 5353 to open and close relative to the clamping lower cap 5352, and the third hand nut 5354 controls the opening and closing of the clamping upper cap 5351 relative to the clamping lower cap 5352 to clamp the corresponding test connector. In addition, the surfaces of the upper clamping cover 5351 and the lower clamping cover 5352 for clamping the test connectors are also provided with corrugations for clamping the test connectors with corresponding shapes, and those skilled in the art can understand that in other embodiments, the surfaces of the upper clamping cover 5351 and the lower clamping cover 5352 for clamping the test connectors can also be provided with other surface shapes corresponding to the shapes of the clamped test connectors.

Referring to fig. 6, which is a schematic perspective view of a second clamping lock according to a preferred embodiment of the PCBA testing apparatus of the present invention, in combination with fig. 3B, in this preferred embodiment, the second clamping lock 536 mainly includes a first clamping base 5361, a second clamping base 5362 and a fourth hand-screwed nut 5363, corresponding surfaces of the first clamping base 5361 and the second clamping base 5362 for clamping corresponding test joints can approach or separate from each other along with the relative movement of the first clamping base 5361 and the second clamping base 5362, and corresponding screw holes are respectively provided on the first clamping base 5361 and the second clamping base 5362 for the fourth hand-screwed nut 5363 to connect the first clamping base 5361 and the second clamping base 5362 together and adjust the relative positions of the first clamping base 5361 and the second clamping base 5362, thereby clamping corresponding test joints.

In the preferred embodiment, the portion of the first clamping body 5361 in contact with the corresponding test fitting generally comprises a base for mating with the sixth hand nut 538 to secure the second clamping lock 536 to the rail 534 and a first clamping wall perpendicular to one end of the base, and specifically the base may be provided with a threaded hole for mating with the sixth hand nut 538 to secure the first clamping body 5361 to the rail 534, and the second clamping body 5362 generally comprises a second clamping wall corresponding to the first clamping wall and disposed at the opposite end of the base, with the test fitting ultimately clamped between the first clamping wall and the second clamping wall; in the preferred embodiment, the base and the second clamping wall are provided with corresponding threaded holes such that the fourth hand nut 5363 can be simultaneously rotated through the corresponding threaded holes and correspondingly adjust the distance between the first clamping wall and the second clamping wall such that the fourth hand nut 5363 can adjust the clamping stroke of the first clamping base 5361 and the second clamping base 5362 and lock the relative positions of the first clamping base 5361 and the second clamping base 5362 to clamp the corresponding test fitting. In addition, in the preferred embodiment, the second clamping wall is further provided with a connecting rod 5364, and the base is provided with a corresponding through hole for the connecting rod 5364 to shuttle, so that when the clamping stroke of the first clamping base 5361 and the second clamping base 5362 is adjusted, the clamping stability of the first clamping wall and the second clamping wall to the test connector can be improved.

To sum up, the PCBA test fixture of the utility model can simultaneously clamp a plurality of test joints with different shapes; the position of the PCBA on the test board can be adjusted and fixed at will according to needs, so that the problem of fixation of simultaneous testing of a plurality of test connectors in different forms is solved, convenience is brought to testing, and the testing efficiency is improved.

As described above, various other changes and modifications may be made by those skilled in the art based on the technical solution and the technical idea of the present invention, and all such changes and modifications should fall within the scope of the appended claims.

Claims

1. The utility model provides a PCBA test fixture which characterized in that includes: the test fixture comprises a base (1) for placing a PCBA to be tested, at least one PCBA fixing stud (2) for fixing the PCBA to be tested on the base (1), a first rotary connecting table (3) fixed on the base (1), a stand column (4) and at least one clamping mechanism (5) for fixing a test joint; the lower end of the upright post (4) is connected to the first rotary connecting table (3) so as to be vertically fixed above the base (1) in a manner of horizontally rotating relative to the base (1), and the clamping mechanism (5) is fixed at the upper end of the upright post (4) in a manner of adjusting the vertical position relative to the upright post (4).

2. The PCBA test fixture as recited in claim 1, wherein the clamping mechanism (5) comprises a first hand-screwed nut (51), a clamping beam (52), and a clamping hand (53) for fixing the test joint; one end of the clamping cross beam (52) is mounted to the upper end of the upright post (4) in a manner of sliding up and down relative to the upright post (4), and the vertical position of the clamping cross beam (52) relative to the upright post (4) is locked by a first hand-screwed nut (51) arranged at the one end of the clamping cross beam (52); the holding hand (53) is attached to the other end of the holding beam (52) in a manner horizontally slidable relative to the holding beam (52).

3. The PCBA test fixture as in claim 2, wherein the clamping hand (53) comprises a second hand nut (531), a slider (532), a second rotary joint block (533), a slide rail (534), and at least one first clamping lock (535) and/or at least one second clamping lock (536) for securing a test joint; the sliding block (532) is mounted on the clamping cross beam (52) in a manner of horizontally sliding relative to the clamping cross beam (52), and the second hand-screwed nut (531) is arranged on the sliding block (532) and used for locking the position of the sliding block (532) relative to the clamping cross beam (52); the upper end of the second rotary connecting table (533) is connected with the slider (532), the lower end of the second rotary connecting table (533) is connected with the slide rail (534), and the slide rail (534) can rotate in the horizontal direction relative to the slider (532) through the second rotary connecting table (533); the first clamping lock (535) and/or the second clamping lock (536) are/is mounted on the sliding rail (534) in a manner of sliding along the sliding rail (534), and a fixing device is provided for fixing the position of the first clamping lock (535) and/or the second clamping lock (536) on the sliding rail (534).

4. The PCBA test fixture as in claim 3, wherein the second rotary connection table (533) is also capable of rotating in a vertical direction relative to the slide block (532) and locking in position.

5. The PCBA test fixture as in claim 4, wherein the second rotary connection table (533) is a pan-tilt structure.

6. The PCBA test fixture as in claim 3, wherein the first clamping lock (535) comprises an upper clamping cover (5351), a lower clamping cover (5352), a shaft (5353) and a third hand nut (5354), one ends of the upper clamping cover (5351) and the lower clamping cover (5352) are pivotally connected together through the shaft (5353), the other ends of the upper clamping cover (5351) and the lower clamping cover (5352) are provided with screw holes corresponding to the third hand nut (5354), and the third hand nut (5354) can control the opening and locking of the upper clamping cover (5351) relative to the lower clamping cover (5352) by matching with the screw holes, so as to clamp the corresponding test joint.

7. The PCBA test fixture as in claim 3, wherein the second clamping lock (536) comprises a first clamping base body (5361), a second clamping base body (5362) and a fourth hand nut (5363), corresponding surfaces of the first clamping base body (5361) and the second clamping base body (5362) for clamping the corresponding test joint can approach or separate from each other along with relative movement of the first clamping base body (5361) and the second clamping base body (5362), and corresponding threaded holes are respectively provided on the first clamping base body (5361) and the second clamping base body (5362) for the fourth hand nut (5363) to connect the first clamping base body (5361) and the second clamping base body (5362) together and adjust relative positions of the first clamping base body (5361) and the second clamping base body (5362) so as to clamp the corresponding test joint.

8. The PCBA test fixture as recited in claim 3, wherein the fixing means of the first clamping lock (535) and the second clamping lock (536) are a fifth hand nut (537) and a sixth hand nut (538), respectively, and the positions of the first clamping lock (535) and the second clamping lock (536) on the slide rail (534) are fixed by the cooperation of the fifth hand nut (537) and the sixth hand nut (538) with corresponding screw holes on the first clamping lock (535) and the second clamping lock (536).

9. The PCBA test fixture as recited in claim 1, characterized in that the base (1) is made of metal material capable of adsorbing magnet.

10. The PCBA test fixture as recited in claim 9, wherein the PCBA fixing studs (2) comprise metal studs (21) and magnets (22), the bottom of the metal studs (21) being bonded with magnets (22) for adsorptive fixation to the base (1) by magnets (22), the ends of the metal studs (21) being provided with tappings (211) for fixing the PCBA to be tested.