CN209327518U - An automatic probe detection mechanism for circuit board pins - Google Patents

Abstract

The utility model relates to electronic component detection fields, disclose a kind of wiring board pin automation probe in detecting mechanism, including station, are equipped with controller on station；Manipulator, transport platform and probe assembly are installed on the table top of station, probe assembly includes fixed frame, cross track, long rails, transverse slider, longitudinal sliding block, fixed plate and probe, fixed frame is fixed on the table top of station, cross track is secured transverse to fixed frame upper end, transverse slider slides on cross track, and long rails are vertically fixed on transverse slider, and longitudinal sliding block slides on long rails, fixed plate is vertically fixed on longitudinal sliding block, and probe is mounted on fixed plate.The utility model can be automatically grabbed the wiring board on station by manipulator and is placed in transport platform, transport platform clamps wiring board and is transported under probe assembly, and probe assembly carries out the performances such as pressure resistance and mechanical life to the pin on wiring board and detects.

Description

An automatic probe detection mechanism for circuit board pins

technical field

The utility model relates to the field of detection of electronic components, in particular to an automatic probe detection mechanism for circuit board pins.

Background technique

Switching apparatus refers to a switching device that can close, carry and break current under normal circuit conditions and can close, carry and break current under abnormal circuit conditions within a specified time. When the switchgear leaves the factory, it is often necessary to conduct on-off tests on various indicators of the switchgear to judge whether it is safe, such as testing performance such as withstand voltage, on-off, mechanical life, and coil resistance.

For a relay used in a certain machine, it is necessary to detect its coil resistance. Usually, a probe on a probe detection board is inserted into the pin of the relay coil for detection. Most of the existing detections use a probe to detect The board corresponds to a relay coil pin specification, and there are many types of relays, resulting in a variety of coil pin specifications, so it is necessary to process a variety of probe detection boards, which is costly and inconvenient to manage and store. When the pin specification of the relay is changed, the probe detection board needs to be disassembled and replaced, and then the electrical wiring can be tested again; similarly, when testing other circuit board electronic devices, due to the different pin specifications, the corresponding one needs to be replaced. Probe detection board, and then the electrical wiring can be tested again, which is time-consuming, laborious, inefficient, and requires high technical requirements for employees. At present, there is no special detection device for the pins of the circuit board, such as application number: 201720297766.X, patent name: an automatic detection device for circuit boards.

Contents of the invention

The utility model provides an automatic probe detection mechanism for the pins of the circuit board aiming at the defect that the pins of the circuit board are not specially detected in the prior art.

In order to solve the above technical problems, the utility model is solved through the following technical solutions:

An automatic probe detection mechanism for circuit board pins, comprising an operation table on which a controller is installed; on the table is installed a manipulator for grabbing circuit boards, a conveying table for placing circuit boards, and a The probe assembly for detecting the pins of the circuit board, the controller controls the manipulator to unload the circuit board on the conveying table, the controller controls the conveying table to move the circuit board to the probe assembly, the conveying table is set in front of the probe assembly, and the probe assembly includes Fixed frame, horizontal rail, vertical rail, horizontal slider, vertical slider, fixed plate and probe, the fixed frame is fixed on the table top of the operation table, the horizontal rail is fixed on the upper end of the fixed frame horizontally, and the horizontal slider slides on the horizontal rail , the longitudinal rail is longitudinally fixed on the horizontal slider, the longitudinal slider slides on the longitudinal rail, the fixed plate is vertically fixed on the longitudinal slider, the probe is installed on the fixed plate, the controller controls the movement of the horizontal slider and the longitudinal slider and drives The probes move over the pins on the board. The utility model can automatically grab the circuit board on the operation platform by the manipulator and place it on the conveying platform, the conveying platform clamps the circuit board and transports it to the probe assembly, and the probe assembly can withstand the pins on the circuit board. Pressure and mechanical life and other properties are tested. The mechanism has a high degree of automation, saves time and effort, and has high efficiency.

Preferably, a first dovetail guide rail is provided on the transverse track, a first dovetail groove is provided on the transverse slider, and the transverse slider slides on the first dovetail guide rail through the first dovetail groove; a second dovetail guide rail is provided on the longitudinal track, A second dovetail groove is provided on the longitudinal track, and the longitudinal slider slides on the second dovetail guide rail through the second dovetail groove. The horizontal slider with dovetail structure has high stability when moving on the horizontal rail, and the vertical slider has high stability when moving on the longitudinal rail.

Preferably, a first distance sensor is fixed on the upper end surface of the transverse rail, and a first positioning block is fixed on one end of the upper end surface of the transverse slider. The first positioning block is arranged opposite to the first distance sensor, and the controller is connected to the first distance sensor and controls the lateral The distance the slider slides on the transverse rail. The first distance sensor is convenient for the operator to monitor and control the moving distance of the lateral slide, so that the lateral slide can accurately move from one conveyor table to another.

As a preference, the conveying platform includes a conveying track and a conveying plate sliding on the conveying track. Two splints are installed on the upper surface of the conveying plate. The two splints are provided with grooves for accommodating circuit boards. The conveying track is provided with a second There are three dovetail guide rails, and a third dovetail groove matched with the third dovetail guide rail is arranged on the conveying plate. The splint can firmly fix the circuit board, and the conveyor plate with dovetail structure has high stability when moving on the conveyor track.

As preferably, a second distance sensor is fixed on the side wall of the conveying track, a second positioning block opposite to the second distance sensor is fixed on the side wall of the conveying plate, and the controller is connected with the second distance sensor and controls the moving distance of the conveying plate . The second distance sensor is convenient for the operator to monitor and control the distance that the vertical slider moves up and down, so that the vertical slider can accurately move to the circuit boards of different thickness models with the probe.

Preferably, the manipulator includes a base, a rotating disc, a mechanical arm and a gripper, the base is fixed on the console, and a drive motor is installed in the base, and the output shaft of the drive motor protrudes from the end face of the base to connect with the rotating disc and drive it to rotate. The arm is mounted on the rotating disk, and the gripper is mounted on the end of the mechanical arm.

Preferably, the number of delivery platforms is at least two.

Due to the adoption of the above technical scheme, the utility model has remarkable technical effects:

The utility model can automatically grab the circuit board on the operation platform by the manipulator and place it on the conveying platform, the conveying platform clamps the circuit board and transports it to the probe assembly, and the probe assembly can withstand the pins on the circuit board. Pressure and mechanical life and other properties are tested. The mechanism has a high degree of automation, saves time and effort, and has high efficiency.

Description of drawings

Fig. 1 is a structural schematic diagram of the first position state of the utility model.

Fig. 2 is a schematic structural diagram of the second position state of the present invention.

Fig. 3 is a schematic structural diagram of the manipulator in Fig. 1 .

Fig. 4 is a schematic structural diagram of the conveying platform in Fig. 1 .

Fig. 5 is a schematic structural diagram of the probe assembly in Fig. 1 .

The names of the parts indicated by the numbers in the above drawings are as follows: Among them, 10—operating table, 11—controller, 12—operating table, 13—transporting table, 14—probe assembly, 121—base, 122—rotation Disc, 123—mechanical arm, 124—handle, 131—conveyor track, 132—conveyor plate, 133—splint, 134—second distance sensor, 135—second positioning block, 141—fixed frame, 142—transverse rail, 143—longitudinal track, 144—transverse slider, 145—longitudinal slider, 146—fixed plate, 147—probe, 148—first distance sensor, 149—first positioning block, 1311—third dovetail guide rail.

Detailed ways

Below in conjunction with accompanying drawing and embodiment the utility model is described in further detail.

Example 1

An automatic probe detection mechanism for circuit board pins, as shown in Figure 1-5, includes an operation console 10, the operation console 10 is a box-type operation console, a controller 11 is installed on the console 10, and the controller 11 is controlled by a PLC A display screen is provided on the table of the operation table 10, which is convenient for the operator to write programs and monitor data; the table of the operation table 10 is equipped with a manipulator 12 for grabbing circuit boards, a conveyor table 13 for placing circuit boards, and The probe assembly 14 used to detect the pins of the circuit board, the number of the conveying platform 13 in this embodiment is two, the controller 11 controls the manipulator 12 to unload the circuit board on the conveying platform 13, and the controller 11 controls the conveying platform 13 to carry the circuit board Plate moves to probe assembly 14, and conveying table 13 is located at probe assembly 14 ahead, and probe assembly 14 comprises fixed frame 141, transverse track 142, longitudinal track 143, transverse slide block 144, longitudinal slide block 145, fixed plate 146 and The probe 147 and the fixed frame 141 are fixed on the table top of the console 10 by bolts, the transverse rail 142 is fixed on the upper end of the fixed frame 141 by bolts in the transverse direction, the number of the fixed frame 141 is two, and the horizontal rail 142 is erected on two fixed frames 141 , fixed frame 141 is the angle steel plate that two stainless steels are made, and transverse slide block 144 slides on the transverse track 142, and transverse track 142 is provided with cylinder (not marked among the figure), telescopically has push rod on the cylinder, push rod and Horizontal slider 144 connects and promotes its sliding, longitudinal track 143 is longitudinally fixed on horizontal slider 144, and longitudinal slider 145 slides on longitudinal track 143, and the driving principle of longitudinal slider 145 is identical with transverse slider 144, and fixed plate 146 Vertically fixed on the longitudinal slider 145, the fixed plate 146 is provided with four mounting holes, the probes 147 are installed on the fixed plate 146 through the mounting holes, the number of the probes 147 is the same as the number of the mounting holes, and the probes 147 are pressed by bolts. Close on the fixed plate 146, the controller 11 controls the horizontal slider 144 and the vertical slider 145 to move and drives the probe 147 to move to the pins of the circuit board.

The transverse rail 142 is provided with a first dovetail guide rail, the transverse slider 144 is provided with a first dovetail groove, and the transverse slider 144 slides on the first dovetail guide rail through the first dovetail groove; the longitudinal rail 143 is provided with a second dovetail guide rail , the longitudinal track 143 is provided with a second dovetail groove, and the longitudinal slider 145 slides on the second dovetail guide rail through the second dovetail groove.

The first distance sensor 148 is fixed on the upper end surface of the transverse rail 142, and the first positioning block 149 is fixed on one end of the upper end surface of the transverse slider 144. The first positioning block 149 is arranged opposite to the first distance sensor 148, and the controller 11 and the first distance sensor 148 is connected and controls the sliding distance of the transverse slider 144 on the transverse track 142 . When the lateral slider 144 slides, the first positioning block 149 on it moves synchronously with it, the first distance sensor 148 detects the moving distance of the first positioning block 149, and the controller 134 receives the signal of the first distance sensor 148 and controls the horizontal The cylinder on track 142 starts and stops.

The delivery table 13 includes a delivery track 131 and a delivery plate 132 sliding on the delivery track 131. Two clamping plates 133 are installed on the upper surface of the delivery plate 132, wherein one clamping plate 133 is fixed, and the other clamping plate 133 is controlled by a cylinder to move. The splint 133 is provided with a groove for accommodating the circuit board, the conveying track 131 is provided with a third dovetail guide rail 1311 , and the conveying plate 132 is provided with a third dovetail groove matching the third dovetail guide rail 1311 .

A second distance sensor 134 is fixed on the side wall of the conveying track 131, a second positioning block 135 opposite to the second distance sensor 134 is fixed on the side wall of the conveying plate 132, and the controller 11 is connected with the second distance sensor 134 and controls The transport plate 132 moves the distance. When the conveying plate 132 moves, the second distance sensor 134 can detect the distance change of the second positioning block 135, thereby sending its signal to the controller 134, and the controller 134 controls the start and stop of the cylinder on the conveying track 131.

Manipulator 12 comprises base 121, rotating disc 122, mechanical arm 123 and gripper 124, and mechanical arm 123 quantity is two sections, and two section mechanical arms 123 are mutually hinged together by pin shaft, and base 121 is fixed on the console 10, and base 121 A driving motor is installed inside, and the output shaft of the driving motor stretches out from the end face of the base 121 to be connected with the rotating disk 122 and drive it to rotate.

Example 2

Embodiment 2 has basically the same features as Embodiment 1, except that there is only one conveying platform 13 on the operating platform 10 in Embodiment 2.

Example 3

Embodiment 3 has basically the same features as Embodiment 1. The difference is that in Embodiment 3, the fixing frame 141 is a bent iron plate, and the transverse rail 142 is fixed on the bent iron plate by bolts, and the bending part at the bottom of the bent iron plate It is fixed on the console 10 by bolts.

In a word, the above descriptions are only preferred embodiments of the present utility model, and all equal changes and modifications made according to the patent scope of the utility model should fall within the scope of the utility model patent.

Claims (7)

1. A circuit board pin automatic probe detection mechanism comprises an operating table (10), and a controller (11) is installed on the operating table (10); The manipulator (12) for grabbing the circuit board, the conveying table (13) for placing the circuit board and the probe assembly (14) for detecting the pins of the circuit board, the controller (11) controls the manipulator (12) to unload the conveying table (13) on the circuit board, the controller (11) controls the delivery platform (13) to move to the probe assembly (14) with the circuit board, and the delivery platform (13) is located at the front of the probe assembly (14), and the probe assembly (14) comprise fixed mount (141), transverse track (142), longitudinal track (143), transverse slide block (144), vertical slide block (145), fixed plate (146) and probe (147), fixed mount (141) is fixed on the table top of the operating table (10), the transverse track (142) is fixed on the upper end of the fixed frame (141) horizontally, the transverse slider (144) slides on the transverse track (142), and the longitudinal track (143) vertically Fixed on the horizontal slider (144), the vertical slider (145) slides on the longitudinal rail (143), the fixed plate (146) is vertically fixed on the longitudinal slider (145), and the probe (147) is installed on the fixed plate (146), the controller (11) controls the horizontal slider (144) and the vertical slider (145) to move and drives the probe (147) to move to the pins of the circuit board. 2. A circuit board lead automatic probe detection mechanism according to claim 1, characterized in that: a first dovetail guide rail is provided on the transverse track (142), and a first dovetail guide rail is provided on the transverse slider (144) groove, the horizontal slider (144) slides on the first dovetail guide rail through the first dovetail groove; the second dovetail guide rail is provided on the longitudinal rail (143), and the second dovetail groove is provided on the longitudinal rail (143); the longitudinal slider (145) slide on the second dovetail guide rail through the second dovetail groove. 3. A kind of automatic probe detection mechanism for circuit board pins according to claim 1, characterized in that: a first distance sensor (148) is fixed on the upper end surface of the transverse rail (142), and a first distance sensor (148) is fixed on the upper end surface of the transverse slide block (144). One end is fixed with the first positioning block (149), and the first positioning block (149) is arranged opposite to the first distance sensor (148), and the controller (11) is connected with the first distance sensor (148) and controls the horizontal slide block (144 ) sliding distance on the transverse track (142). 4. A kind of automatic probe detection mechanism for circuit board pins according to claim 1, characterized in that: the delivery platform (13) includes a delivery track (131) and a delivery plate (132) sliding on the delivery track (131) ), two splints (133) are installed on the upper surface of the conveying plate (132), two splints (133) are provided with grooves for accommodating circuit boards, and the third dovetail guide rail (131) is provided on the conveying track (131) 1311), the conveying plate (132) is provided with a third dovetail groove matched with the third dovetail guide rail (1311). 5. A kind of wiring board pin automatic probe detection mechanism according to claim 4, is characterized in that: the side wall of delivery track (131) is fixed with second distance sensor (134), and the side wall of delivery plate (132) A second positioning block (135) opposite to the second distance sensor (134) is fixed on the side wall, and the controller (11) is connected with the second distance sensor (134) and controls the moving distance of the conveying plate (132). 6. A kind of circuit board pin automatic probe detection mechanism according to claim 1, is characterized in that: manipulator (12) comprises base (121), rotating disk (122), mechanical arm (123) and gripper ( 124), the base (121) is fixed on the console (10), the drive motor is installed in the base (121), and the output shaft of the drive motor stretches out from the end face of the base (121) to connect with the rotating disc (122) and drive it to rotate , the mechanical arm (123) is installed on the rotating disc (122), and the gripper (124) is installed at the end of the mechanical arm (123). 7. An automatic probe detection mechanism for circuit board pins according to any one of claims 1-6, characterized in that the number of conveying stations (13) is at least two.