Automatic detection machine for PCB (Printed Circuit Board)

Abstract

The utility model discloses a PCB automatic detection machine, comprising an automatic detection machine body, a detection port of the automatic detection machine body is provided with a detection bench, two sides of the detection bench are symmetrically provided with a feeding conveyor belt and a discharging conveyor belt, the detection bench is provided with a material taking rack, two ends of the material taking rack are both provided with suckers, and the suckers are provided with a feeding port and a discharging port. The air extracting pump is supported through a supporting strip, an electric push rod for driving the material taking frame to ascend and descend is installed at the front end of the supporting strip, a movable block is installed at the tail end of the supporting strip, and a screw penetrates through the movable block and is in threaded connection with the movable block. According to the utility model, when one suction cup on the material taking frame sucks the PCB to be detected on the feeding conveyor belt, the other suction cup can suck the detected PCB on the detection table, and after the material taking frame moves in parallel and the PCB to be detected is placed on the detection table, the detected PCB can be placed on the discharging conveyor belt, so that the automatic feeding and discharging detection of the PCB is realized, and the detection efficiency is improved. The trouble of manual material taking and placing is avoided, and the detection efficiency is effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to PCB board detection technical field especially a kind of PCB board automatic detection machine. BACKGROUND

[0002] PCB board production process includes cutting, drilling, copper sinking, film pressing, exposure, development, electric copper, electric tin, film stripping, etching, tin stripping, optical detection, printing resistance welding oil, resistance welding exposure, development, character, surface treatment, forming, electric measurement, final inspection, sampling and packaging, and electric measurement is a very important step after the production of PCB board, which is used to determine whether PCB board can be used normally, currently, mainly using automatic detection machine to detect PCB board.

[0003] However, the existing automatic detection machine usually needs to place the to-be-detected PCB board on the detection position for detection by manual operation, and the detected PCB board needs to be taken down by manual operation after detection, and new to-be-detected PCB board is replaced, the whole process is troublesome and labor-intensive, and the detection efficiency is affected.

[0004] Therefore, we propose a kind of PCB board automatic detection machine to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of PCB board automatic detection machine to solve the problems raised in the above background.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] A kind of PCB board automatic detection machine, including automatic detection machine body, detection port of the automatic detection machine body is equipped with detection table, and detection table two sides are symmetrically equipped with feeding conveyor and discharging conveyor, the detection table is equipped with material taking frame, the both ends of the material taking frame are mounted with suction cup, and two suction cups are respectively connected with same suction pump by air pipe, the suction pump is supported by supporting strip, and the front end of supporting strip is equipped with electric push rod for driving material taking frame to lift, the tail end of supporting strip is equipped with movable block, the inside of the movable block is penetrated and is screwed with screw, and the both ends of screw are rotatably connected with frame two sides, the motor for driving screw rotation is installed outside the frame.

[0008] In further embodiments, the feeding conveyor and the discharging conveyor are parallel to each other and have opposite conveying directions, and the discharge end of the feeding conveyor and the feeding end of the discharging conveyor extend into the detection port of the automatic detection machine body.

[0009] In further embodiments, the distance between the two suction cups is equal to the distance between the center point of the detection table and the feeding conveyor and the distance between the center point of the detection table and the discharging conveyor.

[0010] In further embodiments, a guide rod parallel to the screw rod is also installed in the frame, and the movable block is in sliding connection with the guide rod.

[0011] In further embodiments, a cylinder is installed at the back side of the frame, the extension direction of the cylinder is parallel to the transmission direction of the feeding conveyor belt and the discharging conveyor belt, and the cylinder is fixedly installed on the automatic detection machine body through a hanger.

[0012] In further embodiments, a sliding block is installed at the lower edge of each end of the frame, and the sliding block is in sliding connection with a straight rail, and the straight rail is erected on the automatic detection machine body through a cross beam.

[0013] Compared with the prior art, the automatic detection machine has the following beneficial effects:

[0014] The electric push rod is arranged to control the lifting of the material taking frame to take materials, and two suction cups are arranged on the material taking frame, so that when one suction cup sucks the to-be-tested PCB on the feeding conveyor belt, the other suction cup can suck the tested PCB on the detection table, and when the material taking frame moves in parallel, the to-be-tested PCB is placed on the detection table, and the tested PCB can be placed on the discharging conveyor belt, so that the automatic feeding and discharging detection of the PCB is realized, the trouble of manual feeding and discharging is saved, and the detection efficiency is effectively improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a schematic diagram of the three-dimensional structure of the back side of the detection opening of the utility model;

[0016] Figure 2 It is a schematic diagram of the three-dimensional structure of the front side of the detection opening of the utility model;

[0017] Figure 3 It is a schematic diagram of the installation structure of the material taking frame and the screw rod of the utility model;

[0018] Figure 4 It is a schematic diagram of the distribution structure of the material taking frame and the conveyor belt of the utility model;

[0019] Figure 5 It is a schematic diagram of the distribution structure of the material taking frame and the cylinder of the utility model.

[0020] In the drawings: 1, automatic detection machine body; 2, feeding conveyor belt; 3, discharging conveyor belt; 4, detection table; 5, material taking frame; 6, suction cup; 7, air pipe; 8, air pump; 9, supporting strip; 10, electric push rod; 11, movable block; 12, screw rod; 13, frame; 14, motor; 15, guide rod; 16, cylinder; 17, hanger; 18, straight rail; 19, sliding block; 20, cross beam. DETAILED DESCRIPTION

[0021] In the description of the utility model, need understanding, the orientation or position relation that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" indicate is based on the orientation or position relation shown in the drawing, just is for the convenience of describing the utility model and simplifying the description, and is not indicate or imply the device or element that is indicated must have a particular orientation, with a particular orientation configuration and operation, therefore can not be understood as the restriction of the utility model. In the description of the utility model, unless otherwise specified, the meaning of "multiple" is two or more than two.

[0022] In the description of the utility model, it is necessary to explain that, unless otherwise specified and limited, the terms "installation", "connection", "connection" should be understood broadly, for example, can be fixed connection, can also be detachable connection, or integrally connected, can be mechanical connection, can also be electrical connection, can be directly connected, can also be indirectly connected through intermediate medium, can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood by specific circumstances.

[0023] The technical scheme in the embodiments of the utility model will be described clearly and completely in the drawings in the embodiments of the utility model, obviously, the described embodiments are only a part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary skilled in the art without creative labor are within the scope of the utility model.

[0024] Please refer to Figures 1-5The utility model relates to a kind of PCB automatic detection machine, including automatic detection machine body 1, detection mouth of automatic detection machine body 1 is equipped with detection table 4, PCB board is placed on detection table 4 and detects, detection table 4 both sides are symmetrically equipped with feeding conveyor 2 and discharging conveyor 3, feeding conveyor 2 and discharging conveyor 3 are mutually parallel and transmission direction is opposite, the discharge end of feeding conveyor 2 and the feeding end of discharging conveyor 3 extend to the inside of the detection mouth of automatic detection machine body 1, to facilitate by feeding conveyor 2 to detection table 4 transmission PCB board to be detected, and discharging conveyor 3 exports the PCB board that detection table 4 is detected on, detection table 4 is equipped with material taking frame 5, material taking frame 5 is used to move the PCB board to be detected on feeding conveyor 2 to detection table 4, while moving the PCB board that detection table 4 is detected on to discharging conveyor 3, both ends of the material taking frame 5 are mounted suction cup 6, and two suction cups 6 are respectively connected same suction pump 8 by air pipe 7, to facilitate when suction cup 6 contact PCB board, under the action of suction pump 8 by air pipe 7 control suction cup 6 place forms negative pressure suction force, to further suck PCB board, facilitate to the material taking of PCB board, suction pump 8 is supported by supporting strip 9, and the front end of supporting strip 9 is installed with electric push rod 10, electric push rod 10 controls material taking frame 5 to go up and down, to further drive suction cup 6 to approach or away from material taking face, the tail end of supporting strip 9 is installed with movable block 11, the inside of the movable block 11 is penetrated and is threadedly connected with screw rod 12, the length direction of screw rod 12 is perpendicular to the transmission direction of conveyor, and both ends of screw rod 12 are rotatably connected with frame 13 two sides, frame 13 is installed with motor 14 outside drive screw rod 12 rotation, when screw rod 12 rotates, drive movable block 11 moves along the length direction of screw rod 12, to facilitate to switch position between feeding conveyor 2, discharging conveyor 3 and detection table 4, the distance between two suction cups 6 is equal to the distance between the center point of detection table 4 and feeding conveyor 2 and the distance between the center point of detection table 4 and discharging conveyor 3, ensure when one suction cup 6 sucks the PCB board to be detected on feeding conveyor 2, another suction cup 6 can suck the PCB board that detection table 4 is detected, when material taking frame 5 parallelly moves, when the PCB board to be detected is placed to detection table 4, the PCB board that detection is completed, i, can be placed to discharging conveyor 3, realize the automatic feeding and discharging detection of PCB board.

[0025] Further, frame 13 also installs guide rod 15 parallel with screw rod 12, and movable block 11 is slidably connected with guide rod 15, guide rod 15 positions movable block 11, effectively prevent movable block 11 from deflecting when moving, to further maintain the stability of movable block 11 movement.

[0026] Considering that the structure of the material taking frame 5 and the suction disc 6 is always above the detection table 4, it will cause vertical obstruction to the PCB on the detection table 4, and further affect the detection of the detection equipment, therefore, the frame 13 is provided with a gas cylinder 16 at the rear side, the extension direction of the gas cylinder 16 is parallel to the transmission direction of the feeding conveyor belt 2 and the discharging conveyor belt 3, and the gas cylinder 16 is fixedly installed on the automatic detection machine body 1 through a hanger 17, the gas cylinder 16 drives the frame 13 to move, so that the structure of the material taking frame 5 and the suction disc 6 can be moved away from above the detection table 4 during detection.

[0027] Further, in order to improve the stability of the structure of the frame 13 during movement, sliding blocks 19 are installed at the lower ends of the frame 13, and the sliding blocks 19 are slidingly connected with straight rails 18, the straight rails 18 are parallel to the extension direction of the gas cylinder 16, the straight rails 18 are arranged on the automatic detection machine body 1 through cross beam strips 20, and the sliding blocks 19 slide on the straight rails 18 to assist the stable movement of the structure of the frame 13.

[0028] It is apparent for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, but can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and range of equivalent elements of the claims are intended to be embraced in the present application. Any reference signs in the claims should not be considered as limiting the claims involved.

[0029] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be properly combined to form other embodiments that those skilled in the art can understand.

Claims

1. A PCB automatic detection machine, comprising an automatic detection machine body (1), characterized in that: The detection port of the automatic detection machine body (1) is provided with a detection table (4), and the detection table (4) is symmetrically provided with an upper feeding conveyor belt (2) and a lower feeding conveyor belt (3) on both sides, the detection table (4) is provided with a material taking frame (5), the both ends of the material taking frame (5) are mounted with suction cups (6), and the two suction cups (6) are respectively connected with the same suction pump (8) through air pipes (7), the suction pump (8) is supported through a supporting strip (9), and the front end of the supporting strip (9) is mounted with an electric push rod (10) for driving the material taking frame (5) to lift, the tail end of the supporting strip (9) is mounted with a movable block (11), the inside of the movable block (11) is penetrated and threadedly connected with a screw rod (12), and the both ends of the screw rod (12) are rotatably connected with the both sides of a frame (13), and the frame (13) is externally mounted with a motor (14) for driving the screw rod (12) to rotate.

2. The PCB automatic detection machine according to claim 1, characterized in that: The upper feeding conveyor belt (2) and the lower feeding conveyor belt (3) are parallel to each other and opposite in conveying direction, the discharge end of the upper feeding conveyor belt (2) and the feeding end of the lower feeding conveyor belt (3) extend into the detection port of the automatic detection machine body (1).

3. The PCB automatic detection machine according to claim 1, characterized in that: The distance between the two suction cups (6) is equal to the distance between the center points of the detection table (4) and the upper feeding conveyor belt (2) and the distance between the center points of the detection table (4) and the lower feeding conveyor belt (3).

4. The PCB automatic detection machine according to claim 1, characterized in that: The frame (13) is further provided with a guide rod (15) parallel to the screw rod (12), and the movable block (11) is slidably connected with the guide rod (15).

5. The automatic PCB board detection machine according to claim 1, wherein: The rear side of the frame (13) is mounted with an air cylinder (16), the extension direction of the air cylinder (16) is parallel to the conveying directions of the upper feeding conveyor belt (2) and the lower feeding conveyor belt (3), and the air cylinder (16) is fixedly installed with the automatic detection machine body (1) through a hanger (17).

6. The automatic PCB board detection machine according to claim 1, wherein: The both ends of the frame (13) are mounted with sliding blocks (19), and the sliding blocks (19) are slidably connected with straight rails (18), and the straight rails (18) are erected in the automatic detection machine body (1) through cross beam strips (20).

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