CN213658800U

CN213658800U - PCBA board test fixture

Info

Publication number: CN213658800U
Application number: CN202022801527.8U
Authority: CN
Inventors: 李金振; 李长庚; 谭玉刚; 闫杰
Original assignee: Shenzhen Grand Top Electronics Co ltd
Current assignee: Shenzhen Grand Top Electronics Co ltd
Priority date: 2020-11-29
Filing date: 2020-11-29
Publication date: 2021-07-09
Anticipated expiration: 2030-11-29

Abstract

The utility model discloses a PCBA board test fixture, which comprises a base and a second servo motor; base: the middle part of the base is rotatably connected with a rotating shaft through a bearing, a first servo motor is installed on a lateral support of the base, an output shaft of the first servo motor is in transmission connection with the end part of the rotating shaft through a transmission mechanism, a support frame is fixed at the top of the rotating shaft, and the support frame is in sliding connection with the base through a first sliding mechanism; a second servo motor: install in the side of support frame, be fixed with two-way lead screw on second servo motor's the output shaft, threaded connection has the mount pad on the corresponding screw thread section of two-way lead screw, electric putter is installed to bilateral symmetry around the mount pad, and electric putter's telescopic end is fixed with the clamp splice, and this PCBA board test fixture adjusts the convenience, is convenient for be adapted to not unidimensional PCBA board, possesses the ability that turns to, and stability is good, can satisfy the user demand.

Description

PCBA board test fixture

Technical Field

The utility model relates to a PCBA board test equipment technical field specifically is a PCBA board test fixture.

Background

The PCB is an important electronic component, a support body of an electronic element, a provider of circuit connection of the electronic element, because the PCB is manufactured by adopting an electronic printing technology, the PCB is called a printed circuit board, before the printed circuit board appears, the interconnection among the electronic elements is directly connected by virtue of electric wires to form a complete circuit, the PCB is a PCB blank board which is subjected to SMT (surface mount technology) loading and then subjected to the whole process of DIP (dual in-line package), in short, the PCBA is the PCB which is welded and assembled with the electronic elements, the manufactured PCBA needs to test the functions of a power supply part, a port and the like, and the PCBA to be tested is compared with a sample plate to determine whether the PCBA is qualified.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide a PCBA board test fixture, it is convenient to adjust, is convenient for be adapted to not unidimensional PCBA board, possesses the steering capacity, and stability is good, can satisfy the user demand, can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a PCBA board test fixture comprises a base and a second servo motor;

base: the middle part of the base is rotatably connected with a rotating shaft through a bearing, a first servo motor is installed on a lateral support of the base, an output shaft of the first servo motor is in transmission connection with the end part of the rotating shaft through a transmission mechanism, a support frame is fixed at the top of the rotating shaft, and the support frame is in sliding connection with the base through a first sliding mechanism;

a second servo motor: the two-way screw rod is fixed on an output shaft of the second servo motor, a mounting seat is in threaded connection with a corresponding threaded section of the two-way screw rod, electric push rods are symmetrically mounted on the front side and the rear side of the mounting seat, and clamping blocks are fixed at telescopic ends of the electric push rods;

the mounting seat is connected with the support frame in a sliding mode through a second sliding mechanism, and the input ends of the first servo motor, the second servo motor and the electric push rod are electrically connected with the output end of the external controller.

Further, drive mechanism includes driving gear and driven gear, and the driving gear is fixed on first servo motor's output shaft, driven gear fixes in the bottom of rotation axis, and driven gear and driving gear intertooth meshing, and driven gear and driving gear are bevel gear, and first servo motor's output shaft drives the driving gear and rotates, driving gear and driven gear meshing transmission, and driven gear drives the rotation axis and rotates, and the rotation axis drives the support frame and rotates to turn to the PCBA board on the clamp splice, be convenient for satisfy the user demand.

Further, first slide mechanism includes annular slide rail and first slider, and the top at the base is fixed to the annular slide rail, first slider and annular slide rail sliding connection, the top of first slider and the bottom fixed connection of support frame, the support frame drives first slider and slides along the spout in rotating the in-process, has guaranteed its stability that turns to.

Further, second slide mechanism includes spout and second slider, and the top at the support frame is seted up to the spout, second slider and spout sliding connection, the bottom at the mount pad is fixed to the second slider, and the mount pad drives the second slider and slides along the spout at the removal in-process, has guaranteed the stability that the mount pad removed.

Further, still include the rubber pad, the rubber pad pastes on the clamping face of clamp splice, and the rubber pad is used for carrying out elastic support to the PCBA board, has guaranteed the rationality of design.

Compared with the prior art, the beneficial effects of the utility model are that: this PCBA board test fixture has following benefit:

1. the output shaft of second servo motor drives two-way lead screw and rotates, two-way lead screw and mount pad screw drive, the mount pad is close to or keeps away from each other along two-way lead screw, thereby adjust the left and right sides interval of clamp splice, thereby adapt to the length and size of PCBA board, electric putter's flexible end drives the clamp splice and carries out concertina movement, thereby adjust the interval all around of clamp splice, thereby come the width size of PCBA board, it adjusts conveniently, be convenient for adapt to not unidimensional PCBA board.

2. The output shaft of a servo motor drives the driving gear to rotate, the driving gear is meshed with the driven gear for transmission, the driven gear drives the rotating shaft to rotate, and the rotating shaft drives the supporting frame to rotate, so that the PCBA board on the clamping block is turned, and the use requirement is convenient to meet.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a sectional view of the structure of the present invention.

In the figure: the device comprises a base 1, a clamping block 2, an electric push rod 3, a rubber pad 4, a first sliding mechanism 5, an annular sliding rail 51, a first sliding block 52, a transmission mechanism 6, a driving gear 61, a driven gear 62, a second sliding mechanism 7, a sliding chute 71, a second sliding block 72, a second servo motor 8, a mounting seat 9, a bidirectional screw rod 10, a support frame 11, a rotating shaft 12, a bearing 13 and a first servo motor 14.

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.

Referring to fig. 1-2, the present invention provides a technical solution: a PCBA board test fixture comprises a base 1 and a second servo motor 8;

base 1: the middle part of the base is rotatably connected with a rotating shaft 12 through a bearing 13, a lateral bracket of the base 1 is provided with a first servo motor 14, an output shaft of the first servo motor 14 is in transmission connection with the end part of the rotating shaft 12 through a transmission mechanism 6, the top part of the rotating shaft 12 is fixed with a support frame 11, and the support frame 11 is in sliding connection with the base 1 through a first sliding mechanism 5;

second servo motor 8: the two-way screw rod is arranged on the side surface of the support frame 11, a two-way screw rod 10 is fixed on an output shaft of the second servo motor 8, a mounting seat 9 is in threaded connection with a corresponding threaded section of the two-way screw rod 10, electric push rods 3 are symmetrically arranged on the front side and the rear side of the mounting seat 9, and a clamping block 2 is fixed at the telescopic end of each electric push rod 3;

an output shaft of the second servo motor 8 drives a bidirectional screw rod 10 to rotate, the bidirectional screw rod 10 is in threaded transmission with a mounting seat 9, the mounting seat 9 is close to or far away from each other along the bidirectional screw rod 10, so that the left-right distance of the clamping block 2 is adjusted to adapt to the length size of the PCBA, and a telescopic end of the electric push rod 3 drives the clamping block 2 to perform telescopic motion, so that the front-back distance of the clamping block 2 is adjusted to adapt to the width size of the PCBA, and the electric push rod is convenient to adjust and is convenient to adapt to PCBAs with different sizes;

wherein, mount pad 9 passes through

second slide mechanism

7 and 11 sliding connection of support frame, and the output of external control ware is connected to the input electricity of first servo motor 14, second servo motor 8 and electric putter 3.

Drive mechanism 6 includes driving gear 61 and driven gear 62, driving gear 61 is fixed on the output shaft of first servo motor 14, driven gear 62 is fixed in the bottom of rotation axis 12, driven gear 62 and the meshing of driving gear 61 intertooth, and driven gear 62 is the bevel gear with driving gear 61, the output shaft of first servo motor 14 drives driving gear 61 and rotates, driving gear 61 and driven gear 62 meshing transmission, driven gear 62 drives rotation axis 12 and rotates, rotation axis 12 drives support frame 11 and rotates, thereby turn to the PCBA board on clamp splice 2, be convenient for satisfy the user demand.

First slide mechanism 5 includes annular slide rail 51 and first slider 52, and annular slide rail 51 is fixed at the top of base 1, first slider 52 and annular slide rail 51 sliding connection, the bottom fixed connection of the top of first slider 52 and support frame 11, and support frame 11 drives first slider 52 and slides along spout 71 at the rotation in-process, has guaranteed its stability that turns to.

Second slide mechanism 7 includes spout 71 and second slider 72, and spout 71 is seted up at the top of support frame 11, and second slider 72 and spout 71 sliding connection, second slider 72 are fixed in the bottom of mount pad 9, and mount pad 9 drives second slider 72 and slides along spout 71 at the removal in-process, has guaranteed the stability that mount pad 9 removed.

Further, still include rubber pad 4, rubber pad 4 is pasted on the clamping face of clamp splice 2, and rubber pad 4 is used for carrying out elastic support to the PCBA board, has guaranteed the rationality of design.

When in use: an output shaft of the second servo motor 8 drives the bidirectional screw rod 10 to rotate, the bidirectional screw rod 10 and the mounting seat 9 are in threaded transmission, and the mounting seat 9 is close to or far away from each other along the bidirectional screw rod 10, so that the left and right spacing of the clamping block 2 is adjusted, and the length and the size of the PCBA are adapted.

The mounting seat 9 drives the second sliding block 72 to slide along the sliding groove 71 during the moving process.

The flexible end of electric putter 3 drives clamp splice 2 and carries out concertina movement to adjust the fore-and-aft interval of clamp splice 2, thereby come the width size of PCBA board.

The PCBA board is clamped and fixed through the clamping block 2.

An output shaft of the first servo motor 14 drives the driving gear 61 to rotate, the driving gear 61 is in meshing transmission with the driven gear 62, the driven gear 62 drives the rotating shaft 12 to rotate, and the rotating shaft 12 drives the supporting frame 11 to rotate, so that the PCBA on the clamping block 2 is steered.

The support frame 11 drives the first sliding block 52 to slide along the sliding groove 71 during the rotation process.

It is worth noting that: the first servo motor 14, the second servo motor 8 and the electric push rod 3 are all configured according to the actual application scene.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a PCBA board test fixture which characterized in that: comprises a base (1) and a second servo motor (8);

base (1): the middle part of the base is rotatably connected with a rotating shaft (12) through a bearing (13), a lateral support of the base (1) is provided with a first servo motor (14), an output shaft of the first servo motor (14) is in transmission connection with the end part of the rotating shaft (12) through a transmission mechanism (6), the top of the rotating shaft (12) is fixedly provided with a support frame (11), and the support frame (11) is in sliding connection with the base (1) through a first sliding mechanism (5);

second servomotor (8): the two-way screw rod is installed on the side face of the support frame (11), a two-way screw rod (10) is fixed on an output shaft of the second servo motor (8), a mounting seat (9) is in threaded connection with a corresponding threaded section of the two-way screw rod (10), electric push rods (3) are symmetrically installed on the front side and the rear side of the mounting seat (9), and clamping blocks (2) are fixed on telescopic ends of the electric push rods (3);

the mounting seat (9) is connected with the support frame (11) in a sliding mode through the second sliding mechanism (7), and the input ends of the first servo motor (14), the second servo motor (8) and the electric push rod (3) are electrically connected with the output end of the external controller.

2. The PCBA board test fixture of claim 1, wherein: the transmission mechanism (6) comprises a driving gear (61) and a driven gear (62), the driving gear (61) is fixed on an output shaft of the first servo motor (14), the driven gear (62) is fixed at the bottom end of the rotating shaft (12), the driven gear (62) is meshed with teeth of the driving gear (61), and the driven gear (62) and the driving gear (61) are both bevel gears.

3. The PCBA board test fixture of claim 1, wherein: the first sliding mechanism (5) comprises an annular sliding rail (51) and a first sliding block (52), the annular sliding rail (51) is fixed to the top of the base (1), the first sliding block (52) is in sliding connection with the annular sliding rail (51), and the top of the first sliding block (52) is fixedly connected with the bottom of the supporting frame (11).

4. The PCBA board test fixture of claim 1, wherein: the second sliding mechanism (7) comprises a sliding groove (71) and a second sliding block (72), the sliding groove (71) is formed in the top of the supporting frame (11), the second sliding block (72) is in sliding connection with the sliding groove (71), and the second sliding block (72) is fixed to the bottom of the mounting seat (9).

5. The PCBA board test fixture of claim 1, wherein: the clamping block is characterized by further comprising a rubber pad (4), wherein the rubber pad (4) is stuck on the clamping surface of the clamping block (2).