CN219997146U - A flying probe testing machine - Google Patents

Abstract

The utility model relates to the technical field of planar medium-drive flying probe testing, and discloses a flying probe testing machine, which comprises a detection table, wherein the surface of the detection table is fixedly connected with one end of a hydraulic cylinder, the other end of the hydraulic cylinder is fixedly arranged on the surface of a fixed plate, a medium-drive flying probe testing device is fixedly arranged on the surface of the fixed plate, a control assembly is arranged in the detection table, and the control assembly comprises: the utility model provides an electronic push pedal, rack, fixed column and limiter, this flying needle test machine, through being provided with control assembly, start electronic push pedal, electronic push pedal extrudees the telescopic link, and the telescopic link atress contracts, and the fixed column fixed on electronic push pedal surface moves down the in-process, fixes the circuit board in the recess, not only can adapt to the circuit board of different size thickness, and the component part of whole structure is simple moreover, and the reliable function is also easily realized, has improved the convenience of anchor clamps operation promptly, has reduced manufacturing cost.

Description

A flying probe testing machine

Technical field

The utility model relates to the technical field of planar mid-drive flying probe testing, and is specifically a flying probe testing machine.

Background technique

Flying probe testers are used to test circuit boards and are divided into two categories, one is to test PCB and the other is to test PCBA. The flying probe tester for testing PCB is an instrument for testing PCB boards (printed circuit boards) with high component layout, many layers, high wiring density, and small distance between measuring points. It mainly tests the insulation and conduction of circuit boards. value.

During the process of clamping the PCB board in the flying probe tester, the operator needs to operate manually and adjust the position accordingly. However, during the PCB board testing process, interference caused by human factors should be minimized to ensure the cleanliness of its related electronic interfaces.

According to the published side fixture of a planar flying probe tester (publication number: CN205910220U), in the above application, the motor and transmission system are used to drive the lifting cylinder and finger cylinder to move, and the finger cylinder is used for clamping, which can improve the flying probe test The uniformity of the clamping force of the machine clamp, thereby improving the reliability of the clamp clamping. During the clamping process of the above application, it is necessary to manually close the cylinder in a timely and accurate manner during observation. The cylinder and clamp that are not closed in time can easily Excessive clamping of the circuit board. Since there are too many surface parts on the circuit board, excessive clamping can easily cause damage to some parts. Therefore, the reliability of the clamping is not reliable. To address this problem, we have proposed a Flying probe test machine.

Utility model content

The purpose of this utility model is to provide a flying probe tester to solve the problems raised in the above background technology.

In order to achieve the above purpose, the utility model provides the following technical solution: a flying probe testing machine, including a detection platform, the surface of the detection platform is fixedly connected to one end of the hydraulic cylinder, and the other end of the hydraulic cylinder is fixedly installed on the fixed plate. On the surface of the fixed plate, a mid-drive flying probe test device is fixedly installed on the surface of the fixed plate. A control component is provided in the detection platform. The control component includes: an electric push plate. The electric push plate is connected with the inner wall of the detection platform. Sliding connection, the surface of the electric push plate is fixedly connected to one end of the telescopic rod, and the other end of the telescopic rod is fixedly installed on the inner wall of the detection platform; a rack, the rack is fixedly installed on the surface of the telescopic rod; Fixed column, the fixed column is fixedly installed on the surface of the electric push plate, the fixed column is penetrated by the pressure rod and is slidingly connected to the pressure rod, the surface of the pressure rod is fixedly connected to one end of the spring, and the other end of the spring One end is fixedly installed on the surface of the fixed column; the control component also includes a limiter, which can not only adapt to circuit boards of different sizes and thicknesses, but also has simple components, reliable functions and is easy to implement, that is, it improves the The convenience of clamp operation reduces manufacturing costs.

Preferably, the surface of the detection platform is provided with grooves, and the grooves are arranged to facilitate the placement of the circuit board.

Preferably, the restriction member includes: a support rod, one end of the support rod is hinged to the surface of the pressure rod, the other end of the support rod is hinged to the surface of the slide plate, the slide plate is slidingly connected to the surface of the horizontal plate, so The horizontal plate is fixedly installed on the surface of the fixed column, and the support rod hinged on the surface of the pressure rod can push the slide plate to slide.

Preferably, the surface of the sliding plate is hingedly connected to the clamping rod, the surface of the clamping rod is fixedly connected to one side of the torsion spring, the other side of the torsion spring is fixedly installed on the surface of the sliding plate, and the surface of the sliding plate is fixed. A clamping block is installed to clamp the clamping rod in the two sets of teeth on the surface of the rack, thereby limiting the telescopic rod.

Preferably, the surface of the skateboard is provided with slide rails, and the arrangement of the slide rails can ensure the stability of the skateboard when moving.

Preferably, the cross-section shape of the skateboard is a concave shape, and the concave shape design can make the skateboard fit more closely with the slide rail when moving.

Compared with the existing technology, this utility model provides a flying probe test machine, which has the following beneficial effects:

1. This flying probe test machine is equipped with a control component to start the electric push plate. The electric push plate squeezes the telescopic rod, the telescopic rod shrinks under the force, and the fixed column fixed on the surface of the electric push plate moves downward. , the circuit board in the groove is fixed, which not only can adapt to circuit boards of different sizes and thicknesses, but also has simple components, reliable functions and is easy to implement, which improves the convenience of clamp operation and reduces manufacturing costs.

2. This flying probe test machine is equipped with a limiter. When the fixed column is against the circuit board, the pressure rod moves into the fixed column under the support of the spring, and the support rod hinged on the surface of the pressure rod is forced to turn over. Fold and push the skateboard to move on the surface of the horizontal plate. The skateboard clamps the clamping bar into the two sets of teeth on the surface of the rack and restricts it through the clamping block. The electric push plate can be restricted in time to avoid damaging the circuit. During the fixing process of the board, the electric push plate was not closed in time, causing the surface parts of the circuit board to be extruded excessively, causing damage.

Description of the drawings

Figure 1 is a schematic diagram of the front cross-sectional structure of the utility model;

Figure 2 is a schematic front view of the structure of the utility model;

Figure 3 is a schematic structural diagram of the control component of the present utility model;

Figure 4 is an enlarged schematic diagram of the structure A in Figure 3 of the present invention.

In the picture: 1. Testing table; 2. Hydraulic cylinder; 3. Fixed plate; 4. Mid-drive flying probe test device; 5. Control components; 51. Electric push plate; 52. Fixed column; 53. Pressure rod; 54. Spring; 55, telescopic rod; 56, rack; 57, limiter; 571, support rod; 572, slide plate; 573, horizontal plate; 574, clamping rod; 575, clamping block; 576, torsion spring.

Detailed ways

As shown in Figures 1-4, the present utility model provides a technical solution: a flying probe testing machine, including a testing platform 1. The surface of the testing platform 1 is fixedly connected to one end of the hydraulic cylinder 2, and the other end of the hydraulic cylinder 2 is fixed. It is installed on the surface of the fixed plate 3. The mid-drive flying probe test device 4 is fixedly installed on the surface of the fixed plate 3, and the control component 5 is provided in the test platform 1.

The control component 5 includes: an electric push plate 51. The electric push plate 51 is slidingly connected to the inner wall of the testing platform 1. The surface of the electric pushing plate 51 is fixedly connected to one end of the telescopic rod 55. The other end of the telescopic rod 55 is fixedly installed on the testing platform 1. on the inner wall; the rack 56, the rack 56 is fixedly installed on the surface of the telescopic rod 55; the fixed column 52, the fixed column 52 is fixedly installed on the surface of the electric push plate 51, the fixed column 52 is penetrated by the pressure rod 53 and is connected with the pressure The rod 53 is slidingly connected, the surface of the pressure rod 53 is fixedly connected to one end of the spring 54, and the other end of the spring 54 is fixedly installed on the surface of the fixed column 52; a limiter 57 is included in the control assembly 5 to start the electric pusher. The electric push plate 51 squeezes the telescopic rod 55, and the telescopic rod 55 contracts under the force. When the fixing column 52 fixed on the surface of the electric push plate 51 moves downward, the circuit board in the groove is fixed. , not only can it adapt to circuit boards of different sizes and thicknesses, but the entire structure has simple components, reliable functions and is easy to implement, which improves the convenience of clamp operation and reduces manufacturing costs.

The surface of the detection platform 1 is provided with grooves, and the grooves are arranged to facilitate the placement of the circuit board.

The restriction member 57 includes: a support rod 571, one end of the support rod 571 is hinged to the surface of the pressure rod 53, the other end of the support rod 571 is hinged to the surface of the slide plate 572, the slide plate 572 is slidingly connected to the surface of the horizontal plate 573, and the horizontal plate 573 is fixed. Installed on the surface of the fixed column 52, when the pressure rod 53 moves, the support rod 571 hinged on the surface of the pressure rod 53 can push the sliding plate 572 to slide.

The surface of the sliding plate 572 is hinged with the clamping rod 574. The surface of the clamping rod 574 is fixedly connected to one side of the torsion spring 576. The other side of the torsion spring 576 is fixedly installed on the surface of the sliding plate 572. A clamping block is fixedly installed on the surface of the sliding plate 572. 575. When the sliding plate 572 moves, the clamping rod 574 can be clamped in the two sets of teeth on the surface of the rack 56, thereby limiting the telescopic rod 55.

The surface of the skateboard 572 is provided with slide rails, and the provision of the slide rails can ensure the stability of the skateboard 572 when it moves.

The cross-section shape of the skateboard 572 is a concave shape, and the concave-shaped design can make the skateboard 572 fit more closely with the slide rail when moving.

In the present utility model, when it is necessary to perform a mid-drive flying probe test on the circuit board, the circuit board is placed in the groove in the testing platform 1. After placement, the electric push plate 51 is started, and the electric push plate 51 is Slide in the through hole in the detection platform 1, the electric push plate 51 squeezes the telescopic rod 55 during the movement, the telescopic rod 55 contracts under the force, and the rack 56 fixed on the surface of the telescopic rod 55 moves synchronously , at the same time, during the movement of the electric push plate 51, the fixed column 52 will move synchronously to fix the circuit board in the groove. When the fixed column 52 resists the circuit board, the pressure rod 53 will be stressed by the support of the spring 54 , slides into the fixed column 52. When the pressure rod 53 moves, the support rod 571 hinged on the surface of the pressure rod 53 will be folded under force. When the support rod 571 is folded, it can push the sliding plate 572 on the surface of the horizontal plate 573. When the slide rail 572 moves into the detection platform 1 through the through hole, the clamping rod 574 can be clamped between the two sets of teeth in the rack 56 and restricted by the clamping block 575, then the rack 56 The attached telescopic rod 55 cannot be retracted. After being fixed, the hydraulic cylinder 2 drives the fixed plate 3 to move downward. When it moves to the designated position, the mid-drive flying probe test device 4 is started to detect the circuit board. After the end, the electric push plate 51 is started, and when the electric push plate 51 moves in the reverse direction, the telescopic rod 55 is stretched simultaneously. The teeth on the surface of the telescopic rod 55 can resist the clamping rod 574, and the clamping rod 574 is stressed by the torsion spring 576. Fold the bottom to release the fixation of the circuit board.

The above generally describes the present utility model in detail, but on the basis of the present utility model, some modifications or improvements can be made, which is obvious to those of ordinary skill in the technical field. Therefore, any modification or improvement that does not deviate from the spirit of the present utility model is within the protection scope of the present utility model.

Claims (6)

1. A flying probe testing machine, including a testing platform (1), characterized in that: the surface of the testing platform (1) is fixedly connected to one end of the hydraulic cylinder (2), and the other end of the hydraulic cylinder (2) It is fixedly installed on the surface of the fixed plate (3). A mid-drive flying probe test device (4) is fixedly installed on the surface of the fixed plate (3). A control component (5) is provided in the detection platform (1). The control component (5) includes: Electric push plate (51). The electric push plate (51) is slidingly connected to the inner wall of the detection platform (1). The surface of the electric push plate (51) is fixedly connected to one end of the telescopic rod (55). The telescopic rod (55) The other end of the rod (55) is fixedly installed on the inner wall of the detection platform (1); Rack (56), the rack (56) is fixedly installed on the surface of the telescopic rod (55); Fixed column (52), the fixed column (52) is fixedly installed on the surface of the electric push plate (51), the fixed column (52) is penetrated by the pressure rod (53) and is slidingly connected with the pressure rod (53), The surface of the pressure rod (53) is fixedly connected to one end of the spring (54), and the other end of the spring (54) is fixedly installed on the surface of the fixed column (52); Limiting piece (57), the control assembly (5) also includes a limiting piece (57). 2. A flying probe testing machine according to claim 1, characterized in that grooves are provided on the surface of the testing platform (1). 3. A flying probe test machine according to claim 1, characterized in that: the limiting member (57) includes: a support rod (571), one end of the support rod (571) and the pressure rod (53) The other end of the support rod (571) is hinged to the surface of the sliding plate (572), and the sliding plate (572) is slidingly connected to the surface of the horizontal plate (573). The horizontal plate (573) is fixedly installed on on the surface of the fixed post (52). 4. A flying probe testing machine according to claim 3, characterized in that: the surface of the slide plate (572) is hinged to the clamping rod (574), and the surface of the clamping rod (574) is connected to the torsion spring (576). ) is fixedly connected to one side of the torsion spring (576), and the other side of the torsion spring (576) is fixedly installed on the surface of the sliding plate (572), and a clamping block (575) is fixedly installed on the surface of the sliding plate (572). 5. A flying probe testing machine according to claim 3, characterized in that: the surface of the slide plate (572) is provided with slide rails. 6. A flying probe testing machine according to claim 5, characterized in that the cross-sectional shape of the slide plate (572) is a concave shape.