CN209102770U - A PCB board test stand - Google Patents

Abstract

The utility model discloses a PCB testing jig, relating to the field of circuit board production equipment; the movable plate vertical moving device comprises a base, wherein a support is arranged on the base, and a first telescopic device used for driving the movable plate to move up and down along a guide rod is fixedly arranged on the support; the movable plate is provided with a test probe and a second telescopic device, and the second telescopic device is used for driving the marking motor to move up and down; a rubber pad is arranged on the base at a corresponding position below the movable plate, and a first limiting piece and a second limiting piece are respectively arranged on the left side and the right side of the rubber pad; the second limiting piece is arranged on a sliding block through an elastic device, the sliding block is provided with a lead screw for driving the sliding block to move through a threaded hole, the lead screw is arranged in a cavity on the base, two ends of the lead screw are rotatably arranged through a support, and one end of the lead screw is provided with a motor; the controller, the first telescopic device, the second telescopic device, the marking motor, the motor and the test probe are electrically connected.

Description

A PCB board test stand

technical field

The utility model relates to the field of circuit board production equipment, in particular to a PCB board test stand.

Background technique

PCB is an important electronic component, a support body for electronic components, and a carrier for electrical connection of electronic components. Because it is made using electronic printing, it is called a "printed" circuit board. After the electronic equipment adopts the printed board, due to the consistency of the same type of printed board, the error of manual wiring is avoided, and the automatic insertion or mounting of electronic components, automatic soldering, and automatic detection can be realized, which ensures the quality of the electronic equipment. , improve labor productivity, reduce costs, and facilitate maintenance.

The PCB board needs to be tested by the test frame after the production is completed. Due to the existence of various specifications of the existing PCB board, the existing test frame cannot meet the clamping and detection of the PCB board of different specifications, and because there is no inspection after the test is completed. Whether the PCB is qualified or not is often marked and distinguished, and it is not convenient to distinguish between qualified and unqualified PCB boards.

Utility model content

The purpose of the present invention is to provide a PCB board test stand to solve the problems raised in the above background technology.

To achieve the above object, the utility model provides the following technical solutions:

A PCB board test stand, comprising a base on which a bracket is arranged, and a first telescopic device for driving a movable plate to move up and down along a guide rod is fixedly arranged on the bracket; a test probe is arranged on the movable plate a needle and a second telescopic device, the second telescopic device is used to drive the marking motor to move up and down, and the output end of the marking motor is provided with a circular needle for marking;

The movable plate is provided with a rubber pad on the base at a corresponding position below, and the left and right sides of the rubber pad are respectively provided with a first limiting member and a second limiting member;

The second limiting member is arranged on the sliding block through an elastic device, and the sliding block is provided with a lead screw to drive it to move through a threaded hole, the lead screw is arranged in a cavity on the base, and both ends of the lead screw pass through. The support is rotatably arranged, and one end of the lead screw is provided with a motor; the controller, the first telescopic device, the second telescopic device, the marking motor, the motor and the test probe are electrically connected.

A controller is arranged on the bracket.

As a further solution of the present invention: the first telescopic device is a pneumatic cylinder.

As a further solution of the present invention: the second telescopic device is an electric telescopic rod.

As a further solution of the present invention, the surfaces of the first limiting member and the second limiting member are provided with soft materials.

As a further solution of the present invention: the elastic device includes a fixed block, a spring and a slider, the spring is sleeved in the inner cavity of the fixed block and the slider, and the slider is provided with an edge protrusion, so The edge protrusions on the slider are slidably arranged in the fixed block.

As a further solution of the present invention, a shock-absorbing pad is arranged at the bottom of the base.

Compared with the prior art, the beneficial effect of the present utility model is that: by arranging a rubber pad on the base and arranging a soft material on the surface of the first limiting piece and the second limiting piece, the second limiting piece passes through the elastic device. It is arranged on the sliding block, which is convenient for clamping PCBs of different specifications, improving the applicability of the equipment, and it is convenient to mark qualified PCB boards by being provided with a standard motor.

Description of drawings

FIG. 1 is a schematic structural diagram of a PCB board test stand in Embodiment 1. FIG.

FIG. 2 is an enlarged view of part A in FIG. 1 .

FIG. 3 is a schematic structural diagram of a PCB board test frame in Embodiment 2. FIG.

In the picture: 1-base, 2-support, 3-controller, 4-first telescopic device, 5-movable plate, 6-guide rod, 7-test probe, 8-second telescopic device, 9-marking Motor, 10-first limit piece, 11-second limit piece, 12-elastic device, 13-slide block, 14-lead screw, 15-motor, 16-support, 17-rubber pad, 18-fix Block, 19-spring, 20-slider, 21-shock pad.

Detailed ways

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "horizontal", "upper", "lower", "front", "rear", "left", "right", The orientations or positional relationships indicated by "vertical", "horizontal", "top", "bottom", "inside", "outside", etc. are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility. The novel and simplified description does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limiting the invention. In addition, the terms "first", "second", etc. are used for descriptive purposes only, and should not be construed as indicating or implying relative importance or implying the number of indicated technical features. Thus, a feature defined as "first", "second", etc., may expressly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "plurality" means two or more.

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Example 1

Please refer to FIGS. 1 to 2. In Embodiment 1 of the present invention, a PCB board test stand includes a base 1, and a bracket 2 is arranged on the base 1. The bracket 2 is fixedly provided with an edge for driving a movable plate 5 The first telescopic device 4 moves up and down with the guide rod 6, the first telescopic device 4 is a pneumatic cylinder; the movable plate 5 is provided with a test probe 7 and a second telescopic device 8, the second telescopic device 8 For driving the marking motor 9 to move up and down, the second telescopic device 8 is an electric telescopic rod, the output end of the marking motor 9 is provided with a circular needle for marking, and the model of the marking motor 9 is GM25- 370PA;

The movable plate 5 is provided with a rubber pad 17 on the base 1 at a corresponding position below, the rubber pad 17 is used to protect the PCB board, and the left and right sides of the rubber pad 17 are respectively provided with a first limiting member 10 and a second The limiting member 11, the surfaces of the first limiting member 10 and the second limiting member 11 are provided with soft materials to protect the PCB board;

The second limiting member 11 is arranged on the sliding block 13 through an elastic device 12 , and the elastic device 12 includes a fixing block 18 , a spring 19 and a sliding block 20 , and the spring 19 is sleeved on the fixing block 18 and the sliding block 20 . In the inner cavity, the slider 20 is provided with edge protrusions, and the edge protrusions on the slider 20 are slidably arranged in the fixed block 18. The slider 20 is arranged to facilitate clamping the PCB board. The slider 13 A lead screw 14 for driving the movement is provided through the threaded hole, the lead screw 14 is arranged in the cavity on the base 1 , both ends of the lead screw 14 are rotatably arranged through the support 16 , and a motor is provided at one end of the lead screw 14 15. The motor 15 is a servo motor, and the model of the motor 15 is D110M-040030B-E; the bottoms of the two sides of the sliding block 13 are provided with protrusions (not shown), and the protrusions are slidably arranged on the base 1 in the chute above;

Described bracket 2 is provided with controller 3, described controller 3 model is DATA, described controller 3, first telescopic device 4, second telescopic device 8, marking motor 9, motor 15 and test probe 7 Electrical connection.

Example 2

Referring to FIG. 3 , the main difference between the second embodiment and the first embodiment is that the bottom of the base 1 is provided with a shock-absorbing pad 21 for reducing vibration of the equipment, thereby improving the life of the equipment.

The working principle of the present invention is as follows: according to the specification and size of the PCB board, the controller 3 controls the motor 15 to rotate, and the lead screw 14 and the sliding block 13 drive the second limiting member 11 to move to a suitable position to clamp the PCB board, The elastic device 12 is convenient for clamping the PCB board, the controller 3 controls the first telescopic device 4 to drive the movable plate 5 to move downward, the test probe 7 tests the PCB board, and the test probe 7 transmits the test model to the controller 3, if The PCB board qualified controller 3 controls the second telescopic device 8 to drive the marking motor 9 to move downward, controls the marking motor 9 to start, and marks the PCB board through the circle on the marking motor 9, which is convenient for later inspection. The controller 3 controls the first telescopic device 4 to move upwards electrically, and controls the second telescopic device 8 to drive the marking motor 9 to move upward, and at the same time the marking motor 9 stops working. If the PCB board fails, the controller 3 controls the first telescopic device. 4. The driven movable plate 5 drives the test probe 7 to move upward, and the PCB board on the rubber pad 17 is removed for the next PCB board inspection.

It will be apparent to those skilled in the art that the present invention is not limited to the details of the above-described exemplary embodiments, and that the present invention may be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments are to be considered in all respects as exemplary and not restrictive, and the scope of the present invention is defined by the appended claims rather than the foregoing description, and it is therefore intended that the All changes within the meaning and range of the required equivalents are embraced within the present invention. Any reference signs in the claims shall not be construed as limiting the involved claim.

In addition, it should be understood that although this specification is described in terms of embodiments, not each embodiment only includes an independent technical solution, and this description in the specification is only for the sake of clarity, and those skilled in the art should take the specification as a whole , the technical solutions in each embodiment can also be appropriately combined to form other implementations that can be understood by those skilled in the art.

Claims (6)

1. a kind of pcb board testing jig, including pedestal (1), it is provided with bracket (2) on the pedestal (1), it is solid on the bracket (2) Surely it is provided with the first telescopic device (4) for driving movable plate (5) to move up and down along guide rod (6)；It is characterized in that, institute It states and is provided with test probe (7) and the second telescopic device (8) on movable plate (5), second telescopic device (8) is beaten for driving What mark motor (9) moved up and down, mark motor (9) output end is provided with the round needle for marking；

The movable plate (5) is provided with rubber pad (17) in lower section corresponding position on pedestal (1), rubber pad (17) left and right Two sides are respectively arranged with the first locating part (10) and the second locating part (11)；

Second locating part (11) is by the way that in elastic device (12) setting sliding shoe (13), the sliding shoe (13) passes through screw thread Hole, which is provided with, drives it to move lead screw (14), and the lead screw (14) is arranged in the cavity on pedestal (1), the lead screw (14) two By support (16) rotation setting, described lead screw (14) one end is provided with motor (15) at end；

It is provided with controller (3) on the bracket (2), the controller (3), the first telescopic device (4), the second telescopic device (8), mark motor (9), motor (15) and test probe (7) are electrically connected.

2. pcb board testing jig according to claim 1, which is characterized in that first telescopic device (4) is pneumatic cylinder.

3. pcb board testing jig according to claim 1, which is characterized in that second telescopic device (8) is electric expansion Bar.

4. pcb board testing jig according to claim 1, which is characterized in that first locating part (10) and the second limit Part (11) surface is provided with soft material.

5. pcb board testing jig according to claim 1, which is characterized in that the elastic device (12) includes fixed block (18), spring (19) and sliding block (20), the spring (19) are nested in the inner cavity of fixed block (18) and sliding block (20), the cunning Edge protuberance is provided on block (20), the edge protuberance on the sliding block (20) is slidably arranged in fixed block (18).

6. -5 any pcb board testing jig according to claim 1, which is characterized in that pedestal (1) bottom, which is provided with, to be subtracted Shake pad (21).