CN211318670U

CN211318670U - PCBA testing arrangement

Info

Publication number: CN211318670U
Application number: CN201922278729.6U
Authority: CN
Inventors: 周志; 陈雪华
Original assignee: Guangzhou Sanjing Intelligent Electronic Technology Co ltd
Current assignee: Guangzhou Sanjing Intelligent Electronic Technology Co ltd
Priority date: 2019-12-17
Filing date: 2019-12-17
Publication date: 2020-08-21
Anticipated expiration: 2029-12-17

Abstract

The utility model relates to the field of PCBA, and discloses a PCBA testing device, which comprises a testing table board, a pair of lifting plates are movably arranged on the testing table board, a pressing plate is movably arranged between the pair of lifting plates, a pair of first grooves are arranged on the testing table board, a first pin shaft is arranged on the inner wall of the first groove, a first rotating rod and a second rotating rod are rotatably arranged on the inner wall of the testing table board through the first pin shaft, the upper ends of the first rotating rod and the second rotating rod are respectively connected with a pair of first sliding blocks through a pair of second pin shafts, a pair of first sliding blocks are respectively slidably arranged in a pair of first sliding rails, the pair of first sliding rails are both connected with the lifting plates, the lower end of the second rotating rod is connected with a second sliding block through a third pin shaft, the second sliding block is slidably arranged in a second sliding rail, the second sliding rail is arranged in the first grooves, a screw hole matched with, the printed circuit board can be effectively fixed, so that the stable performance test can be carried out.

Description

PCBA testing arrangement

Technical Field

The utility model relates to a PCBA field, more specifically say, in particular to PCBA testing arrangement.

Background

PCBA is the abbreviation of English Printed Circuit Board + Assembly, that is to say PCB blank Board passes SMT and is put on the workpiece, and then passes through the whole process of DIP plug-in components, this is called PCBA for short. PCBA is the abbreviation of the manufacturing process of the printed circuit board.

SMT (surface Mounted technology) surface mounting technology mainly utilizes a mounter to mount some micro parts on a PCB, and the production process comprises the steps of PCB positioning, solder paste printing, mounting by the mounter, passing through a reflow furnace and manufacturing and inspecting. With the development of technology, the SMT can also mount large-sized parts, for example, large-sized mechanical parts can be mounted on a motherboard.

The PCBA testing apparatus can test physical and chemical properties of a printed circuit board, but the Printed Circuit Board (PCB) is not stable enough when the surface mount technology is performed, resulting in a large error in the test result.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a PCBA testing arrangement to solve Printed Circuit Board (PCB) fixed not stable enough when carrying out surface mounting technique, lead to the test result to produce the problem of great error.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

PCBA testing arrangement, including the test table face, the last movable installation of test table face has a pair of lifter plate, and is a pair of movable installation of lifter plate has the clamp plate, the last a pair of first recess of having seted up of test table face, install first round pin axle on the inner wall of first recess, through first round pin axle pivoted installation on the inner wall of test table face have first dwang and second dwang, the upper end of first dwang and second dwang is connected with a pair of first slider respectively through a pair of second round pin axle, and a pair of first slider is gliding installation respectively in a pair of first slide rail, and a pair of first slide rail all is connected with the lifter plate, the lower extreme of second dwang has the second slider through third round pin axle connection, the gliding installation of second slider is in the second slide rail, the second slide rail is installed in the first recess, still be equipped with the motor in the first recess, the power output end of the motor is fixedly connected with a screw rod, the lower end of the first rotating rod is connected with a moving block through a fourth pin shaft, and the moving block is provided with a screw hole matched with the first slide rail in shape, so that the printed circuit board can be effectively fixed, and the stable performance test can be carried out.

Furthermore, a plurality of limiting devices for fixing the positions of the pressing plates are mounted on the pressing plates, the limiting devices are located at two ends of the pressing plates and comprise screws, the screws are mounted in threaded grooves at two ends of the pressing plates, the distance between the pair of pressing plates can be adjusted according to the printed circuit board, and the fixing effect on the printed circuit board is improved.

Furthermore, a telescopic device is arranged between the moving block and the inner wall of the first groove, so that the stability of the device is improved.

Furthermore, the telescopic device comprises a telescopic rod and a reset spring, the reset spring is sleeved outside the telescopic rod, and two ends of the telescopic rod are fixedly connected with the moving block and the inner wall of the first groove respectively.

Furthermore, the length of the left side and the right side of the lifting plate is larger than the distance of the left side and the right side of the first groove, and the lifting plate is limited by the test table top and cannot enter the first groove.

Furthermore, a sliding through hole is formed in the lifting plate, and two ends of the pressing plate are respectively slidably mounted in the sliding through hole, so that the pressing plate can be slidably mounted in the lifting plate.

The working principle is as follows:

place printed circuit board PCB at testboard face upper surface, adjust a pair of clamp plate to suitable position, open the motor, the power take off end of motor drives the screw rod and rotates, the screw rod rotates and drives the movable block and move right, the middle part of first dwang and second dwang rotates round first round pin axle, the second slider slides to the left in the second slide rail, a pair of first slider moves to one side of keeping away from each other in a pair of first slide rail respectively, a pair of lifter plate is close to the test table face, a pair of clamp plate also is close to the test table face and fixes the printed circuit board on the test table face simultaneously.

Compared with the prior art, the utility model has the advantages of:

this scheme can be fixed printed circuit board, can carry out stable capability test this moment, and the effectual error that reduces because of printed circuit board is fixed insecure and bring is exactly this PCBA testing arrangement's theory of operation.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a top view of the present invention;

FIG. 2 is a schematic diagram of the structure at B in FIG. 1;

FIG. 3 is a sectional view taken along line a of FIG. 1;

FIG. 4 is a schematic view of the structure at A in FIG. 3

Description of reference numerals: the testing device comprises a testing table board 1, a first groove 2, a first pin shaft 3, a first rotating rod 4, a second rotating rod 5, a second pin shaft 6, a first sliding block 7, a third pin shaft 8, a second sliding block 9, a second sliding rail 10, a motor 11, a screw 12, a lifting plate 13, a fourth pin shaft 14, a moving block 15, a screw hole 16, a first sliding rail 17, a positioning bearing 18, an expansion rod 19, a reset spring 20, a pressing plate 21, a sliding through hole 22, a threaded groove 23 and a screw 24.

Detailed Description

The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the scope of the present invention can be more clearly and clearly defined.

Referring to fig. 1-4, the PCBA testing device includes a testing table 1, a pair of lifting plates 13 movably mounted on the testing table 1, a pressing plate 21 movably mounted between the pair of lifting plates 13, a pair of first grooves 2 formed on the testing table 1, a first pin 3 mounted on the inner wall of the first groove 2, a first rotating rod 4 and a second rotating rod 5 rotatably mounted on the inner wall of the testing table 1 via the first pin 3, the upper ends of the first rotating rod 4 and the second rotating rod 5 are respectively connected with a pair of first sliding blocks 7 via a pair of second pins 6, the pair of first sliding blocks 7 are respectively slidably mounted in a pair of first sliding rails 17, the pair of first sliding rails 17 are both connected with the lifting plates 13, the lower end of the second rotating rod 5 is connected with a second sliding block 9 via a third pin 8, the second sliding block 9 is slidably mounted in the second sliding rail 10, the second sliding rail 10 is mounted in the first groove 2, still be equipped with motor 11 in the first recess 2, the power take off end fixedly connected with screw rod 12 of motor 11, the tip of screw rod 12 passes through the inner wall of location bearing 18 pivoted installation on first recess 2, and the lower extreme of first pivot pole 4 is connected with movable block 15 through fourth round pin axle 14, has seted up on the movable block 15 with first slide rail 17 shape assorted screw 16, can effectually fix printed circuit board, makes it can carry out stable capability test.

The pressing plate 21 is provided with a plurality of limiting devices for fixing the positions of the pressing plate 21, the limiting devices are positioned at two ends of the pressing plate 21 and comprise screws 24, the screws 24 are arranged in the thread grooves 23 at two ends of the pressing plate 21, the distance between the pair of pressing plates 21 can be adjusted according to the printed circuit board, and the fixing effect on the printed circuit board is improved; a telescopic device is arranged between the moving block 15 and the inner wall of the first groove 2, so that the stability of the device is improved; the telescopic device comprises a telescopic rod 19 and a return spring 20, the return spring 20 is sleeved outside the telescopic rod 19, and two ends of the telescopic rod 19 are fixedly connected with the moving block 15 and the inner wall of the first groove 2 respectively; the left and right length of the lifting plate 13 is greater than the left and right distance of the first groove 2, and the lifting plate 13 is limited by the test table board 1 and cannot enter the first groove 2; the lifting plate 13 is provided with a sliding through hole 22, and two ends of the pressing plate 21 are respectively slidably mounted in the sliding through hole 22, so that the pressing plate 21 can be slidably mounted in the lifting plate 13.

Placing a Printed Circuit Board (PCB) on the upper surface of a test table board 1, adjusting a pair of pressure plates 21 to proper positions, opening a motor 11, driving a screw 12 to rotate by a power output end of the motor 11, driving a moving block 15 to move rightwards by the rotation of the screw 12, rotating the middle parts of a first rotating rod 4 and a second rotating rod 5 around a first pin shaft 3, sliding a second sliding block 9 leftwards in a second sliding rail 10, respectively moving a pair of first sliding blocks 7 to one side far away from each other in a pair of first sliding rails 17, approaching a pair of lifting plates 13 to the test table board 1, meanwhile, the pair of pressing plates 21 are also close to the test table board 1 and fix the printed circuit board on the test table board 1, so that stable performance test can be performed, errors caused by infirm fixation of the printed circuit board are effectively reduced, and the working principle of the PCBA testing device is the working principle, and those not described in detail in this specification are well within the skill of those in the art.

Although the embodiments of the present invention have been described with reference to the accompanying drawings, various changes and modifications can be made by the owner within the scope of the appended claims, and the protection scope of the present invention should not be exceeded by the claims.

Claims

PCBA testing arrangement, including test table face (1), the movable installation has a pair of lifter plate (13) on test table face (1), and is a pair of movable installation has clamp plate (21), its characterized in that between lifter plate (13): a pair of first grooves (2) is formed in the test table board (1), a first pin shaft (3) is installed on the inner wall of the first groove (2), a first rotating rod (4) and a second rotating rod (5) are installed on the inner wall of the test table board (1) through the first pin shaft (3) in a rotating mode, the upper ends of the first rotating rod (4) and the second rotating rod (5) are respectively connected with a pair of first sliding blocks (7) through a pair of second pin shafts (6), the pair of first sliding blocks (7) are respectively installed in a pair of first sliding rails (17) in a sliding mode, the pair of first sliding rails (17) are all connected with a lifting plate (13), the lower end of the second rotating rod (5) is connected with a second sliding block (9) through a third pin shaft (8), the second sliding block (9) is installed in the second sliding rails (10), and the second sliding rails (10) are installed in the first grooves (2), the novel motor is characterized in that an electric motor (11) is further arranged in the first groove (2), a screw rod (12) is fixedly connected to the power output end of the electric motor (11), the lower end of the first rotating rod (4) is connected with a moving block (15) through a fourth pin shaft (14), and a screw hole (16) matched with the first sliding rail (17) in shape is formed in the moving block (15).
2. The PCBA test device of claim 1, wherein: the pressing plate (21) is provided with a plurality of limiting devices for fixing the positions of the pressing plate, the limiting devices are positioned at two ends of the pressing plate (21), each limiting device comprises a screw (24), and the screws (24) are arranged in threaded grooves (23) at two ends of the pressing plate (21).
3. The PCBA test device of claim 1, wherein: a telescopic device is arranged between the moving block (15) and the inner wall of the first groove (2).
4. A PCBA test device as claimed in claim 3, wherein: the telescopic device comprises a telescopic rod (19) and a return spring (20), the return spring (20) is sleeved on the outer side of the telescopic rod (19), and two ends of the telescopic rod (19) are fixedly connected with the moving block (15) and the inner wall of the first groove (2) respectively.
5. The PCBA test device of claim 1, wherein: the left and right length of the lifting plate (13) is greater than the left and right distance of the first groove (2).
6. The PCBA test device of claim 1, wherein: a sliding through hole (22) is formed in the lifting plate (13), and two ends of the pressing plate (21) are respectively installed in the sliding through hole (22) in a sliding mode.