CN110076844A - A kind of online board separator of vision and its control method - Google Patents

Abstract

A visual online board splitting machine and its control method, comprising a frame, a casing is installed on the frame, a control computer is arranged on the casing, a splitting mechanism, an X-axis module, a Y-axis Module and Z-axis module, the Z-axis module is assembled on the Y-axis module, the splitting mechanism is installed on the Z-axis module, one side of the splitting mechanism is equipped with a feeding mechanism, and the other side of the splitting mechanism is equipped with Discharging mechanism, the X-axis module is equipped with a vacuum suction device located above the separating mechanism, a camera is installed on the separating mechanism, a light source is installed on the camera, the vacuum suction device, feeding mechanism, discharging mechanism, separating The plate mechanism, the X-axis module, the Y-axis module and the Z-axis module are respectively connected to the control computer, and a feeding mechanism connected to the control computer is provided below the feeding mechanism. The integrated automatic operation of the present invention improves the operating efficiency, and uses vacuum to absorb the PCB board, making it more stable and reliable.

Description

A visual online splitter and its control method

technical field

The invention belongs to the technical field of PCB board processing, in particular to a visual online board splitting machine and a control method thereof.

Background technique

At present, the board splitting machine is widely used in the electronic product manufacturing industry. Because the traditional manual folding method will produce strong stress, which will have a serious impact on the quality of the product, the manual folding board has basically been divided by the machine. board replaced.

When the existing board splitting machine processes the circuit board, the operation of loading and unloading is required for the circuit board. At present, many splitters are usually loaded and unloaded by setting up a mechanical arm, but the splitter itself does not have a robotic arm, so the robotic arm can only be installed outside the splitter, which increases the cost and takes up space. In addition, when loading and unloading materials through the mechanical arm, claws or suction cups are generally installed on the mechanical arm, and the circuit board is clamped with the claws or the circuit board is pasted with the suction cup. damage. And use sucker, then sucker loses effect easily after the use period of time, is difficult to realize the automatic loading and unloading of integrated structure.

SUMMARY OF THE INVENTION

The technical problem to be solved by the present invention is to provide a visual online board splitter and its control method.

In order to solve the above technical problems, the present invention takes the following technical solutions:

A visual online board splitting machine, including a frame, a casing is installed on the frame, a control computer is arranged on the casing, a splitting mechanism, an X-axis module, a Y-axis module and a Z-axis module are installed on the frame. Axis module, the Z-axis module is assembled on the Y-axis module, and the splitting mechanism is installed on the Z-axis module. One side of the splitting mechanism is equipped with a feeding mechanism, and the other side of the splitting mechanism is equipped with a discharging mechanism. The X-axis module is equipped with a vacuum suction device located above the board separating mechanism. A camera is installed on the board separating mechanism. A light source is installed on the camera. The vacuum suction device, feeding mechanism, discharging mechanism, The axis module, Y axis module and Z axis module are respectively connected to the control computer, and a feeding mechanism connected to the control computer is provided under the feeding mechanism;

The X-axis module drives the vacuum suction device to move in the X-axis direction, the Y-axis module drives the Z-axis module and the splitting mechanism to move in the Y-axis direction synchronously, and the Z-axis module drives the splitting mechanism to move in the Z-axis direction.

The vacuum suction device includes a vacuum adsorption plate, which has a vacuum adsorption cavity, the bottom surface of the vacuum adsorption plate is provided with an adsorption hole communicated with the vacuum adsorption cavity, the vacuum adsorption cavity is connected with the vacuum air pipe, and the vacuum air pipe is connected with the The exhaust fan inside is connected, and the exhaust fan is connected with the control computer.

The X-axis module is provided with a lifting cylinder, the piston rod of the lifting cylinder is connected with the fixed block, the fixed block is connected with the vacuum adsorption plate, and the lifting cylinder is connected with the control computer.

The vacuum adsorption plate is provided with an air pressure sensor for internal air pressure, and the air pressure sensor is connected with a control computer.

The feeding mechanism includes a support plate, a transmission motor, a transmission gear set and a transmission belt. The drive shaft of the transmission motor is provided with a main gear, the transmission belt bypasses the main gear and the transmission gear set, and the transmission motor is connected to the control computer.

The jacking mechanism includes a jacking cylinder and a jacking plate, the jacking plate is connected with the piston rod of the jacking cylinder, the jacking plate is located below the transmission belt, a thimble is arranged on the jacking plate, and the jacking cylinder is connected with the control computer.

The discharge mechanism includes a discharge motor and a discharge belt, the discharge motor is connected to the discharge shaft through a transmission chain, and the discharge belt bypasses the circular transmission from the discharge shaft.

The back area of the vacuum suction device is provided with a side dust suction device, and a lower dust suction device is provided on the splitting mechanism. The side dust suction device includes a side dust suction pipe, and the dust suction port of the side suction pipe faces the split plate mechanism. The lower dust suction device includes the lower dust suction pipe, the dust suction port of the lower dust suction pipe is set in the sub-board mechanism, the lower dust suction pipe and the side dust suction pipe are respectively connected with the vacuum cleaner installed outside the frame, and the vacuum cleaner is connected with the control computer .

A control method for a visual online splitter, comprising the following steps:

Set the feeding speed parameters of the feeding mechanism, and place the PCB board in the feeding mechanism;

The ejecting mechanism will lift the PCB board in the feeding mechanism to the vacuum suction device, and the vacuum suction device will evacuate to form a vacuum adsorption force, adsorb the PCB board on the surface of the vacuum adsorption plate, and reset the ejecting mechanism;

The X-axis module drives the PCB board to move to the top of the board splitting mechanism, the light source is adjusted to set the brightness value, the camera takes pictures, and the image data is transmitted to the control computer, and the board splitting processing path is set according to the image data of the PCB board;

The Y-axis module and the Z-axis module make the board-splitting mechanism move directionally according to the set board-separating processing path, and process on the PCB board;

After the processing is completed, the X-axis module drives the vacuum suction device to move the processed PCB board to the discharge mechanism, and then the vacuum suction device restores the internal pressure, so that the interior is no longer a vacuum environment, and the PCB board falls to the discharge mechanism. In the mechanism, the vacuum suction device is reset, and the discharge mechanism sends out the PCB board to complete the processing, and so on.

The control computer also controls the start of the side dust suction device and the bottom dust suction device to absorb the debris generated during the processing of the separating mechanism.

The invention integrates automatic operation of feeding, separating and discharging, improves production efficiency, and adopts vacuum adsorption PCB board, which is more stable and reliable, does not easily cause damage to PCB board, improves yield rate, and improves processing efficiency of board separation through visual calibration accuracy.

Description of drawings

Accompanying drawing 1 is the three-dimensional structure schematic diagram of the present invention;

Accompanying drawing 2 is the three-dimensional structure schematic diagram after removing casing of the present invention;

Accompanying drawing 3 is a structural schematic diagram of another perspective of accompanying drawing 2;

Accompanying drawing 4 is the schematic diagram of another angle of view after removing the casing of the present invention;

Accompanying drawing 5 is the partially cutaway schematic diagram of the present invention after removing the casing.

Detailed ways

In order to further understand the features, technical means, and specific objectives and functions achieved by the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

As shown in the accompanying drawings 1-5, the present invention discloses a visual online splitter, comprising a frame 1, a casing 2 is installed on the frame 1, and a control computer 4 is arranged on the casing 2, and the frame 1 is equipped with a splitting mechanism 5, an X-axis module 6, a Y-axis module 7 and a Z-axis module 8, the Z-axis module 8 is installed on the Y-axis module 7, and the splitting mechanism 5 is installed on the Z-axis module On group 8, there is a feeding mechanism 10 on one side of the splitting mechanism 5, a discharging mechanism 11 on the other side of the splitting mechanism 5, and a vacuum suction device located above the splitting mechanism 5 on the X-axis module 6. 12. A camera 9 is installed on the separating mechanism 5, and a light source is installed on the camera, a vacuum suction device 12, a feeding mechanism 10, a discharging mechanism 11, a separating mechanism 5, an X-axis module 6, and a Y-axis module 7 and the Z-axis module 8 are respectively connected with the control computer 4, and the feeding mechanism 10 is provided with a lifting mechanism 13 connected with the control computer 4; the X-axis module drives the vacuum suction device to move in the X-axis direction, and the Y-axis mold The group drives the Z-axis module and the splitting mechanism to move in the Y-axis direction synchronously, and the Z-axis module drives the splitting mechanism to move in the Z-axis direction.

The board separating mechanism adopts an existing structure known to those skilled in the art, including a cutting tool, and uses the cutting tool to perform cutting and separating operations on the PCB board. For the X-axis module, Y-axis module and Z-axis module, there are corresponding drivers (such as motors or cylinders), guide rails, sliders, etc., which drive in corresponding directions.

For example, the X-axis module 6 includes an X-axis guide rail 62, an X-axis motor 61, an X-axis slider 64, and an X-axis transmission tape 63, and the drive shaft of the X-axis motor is equipped with an X-axis screw rod located in the X-axis guide rail. (not shown in the figure), the X-axis slider is connected to the X-axis screw through a nut, and the vacuum suction device is connected to the X-axis slider, and is also connected to the X-axis conveying tape. Use the X-axis motor to drive the X-axis screw to rotate, thereby changing the position of the X-axis slider, thereby driving the movement of the vacuum suction device.

For the Y-axis module 7, it includes a Y-axis motor 71, a Y-axis guide rail 72, and a Y-axis slider 73. The drive shaft of the Y-axis motor is equipped with a Y-axis screw rod (not shown in the figure) located in the Y-axis guide rail. , the Y-axis slider is connected with the Y-axis screw through a nut, and the Y-axis motor drives the Y-axis screw to rotate, so that the Y-axis slider moves and changes the positions of the Z-axis module and the board splitting mechanism. Similarly, the Y-axis conveying reel can also be set, which is arranged in the lower part of the casing and connected with the Y-axis slider to ensure a more stable directional movement of the Y-axis slider.

The Z-axis module 8 includes a Z-axis motor 81 located in the lower part of the casing 1. The drive shaft of the Z-axis motor 81 is equipped with a Z-axis screw rod (not shown in the figure), which is fixed on the Y-axis module 7. The Z-axis fixing plate 82 on the top, the Z-axis fixing plate 82 is provided with a Z-axis guide rail, and the Z-axis guide rail is provided with a Z-axis slider 83, and the Z-axis slider is connected with the Z-axis screw rod. They are fixedly installed on the Z-axis slide block together, keep running synchronously, and can detect the PCB board. The Z-axis screw rod is driven by the Z-axis motor to rotate, so that the plate splitting mechanism moves up and down.

Described vacuum suction device 12 comprises vacuum adsorption plate 121, has vacuum adsorption chamber 122 in the vacuum adsorption plate 121, and the bottom surface of vacuum adsorption plate 121 is provided with the adsorption hole that is communicated with vacuum adsorption chamber, and vacuum adsorption chamber is connected with vacuum air pipe, and vacuum air pipe It is connected with the exhaust fan 14 installed in the frame 1, and the exhaust fan 14 is connected with the control computer 4. Through the exhaust fan, the gas in the vacuum adsorption chamber in the vacuum adsorption plate is sucked away to form a negative pressure vacuum environment. The PCB board can be stably adsorbed through the adsorption holes, and the contact area is large and smooth, which is not easy to be damaged. damage to the PCB board. The vacuum air pipe is not shown, and the specific direction is not specifically limited.

The X-axis module 6 is provided with a lifting cylinder 15, the piston rod of the lifting cylinder 15 is connected with the fixed block 16, the fixed block 16 is connected with the vacuum adsorption plate 121, and the lifting cylinder is connected with the control computer. Therefore, the vacuum suction device can move along the X-axis direction, and can also use the lifting cylinder to realize the movement in the Z-axis direction. It is a two-axis movement, which improves the convenience of processing and is suitable for various types of PCB board processing.

In addition, the vacuum suction plate 121 is provided with an air pressure sensor 17 for internal air pressure, and the air pressure sensor 17 is connected to the control computer 4. Through the air pressure sensor, the internal air pressure of the vacuum suction plate can be sensed in real time and transmitted to the The control computer is displayed on the display screen of the control computer, which is convenient for the staff to view, ensures the stability of the entire processing process, and can take effective measures in time when a failure occurs.

Described feeding mechanism 10 comprises support plate 101, transmission motor 102, transmission gear set 103 and transmission belt 104, and the driving shaft of transmission motor is equipped with main gear, and transmission belt walks around on main gear and transmission gear set, transmission motor Connected with the control computer, the transmission motor drives the main gear to rotate after running, so that the transmission belt is also continuously circulated. There are two support plates, which are respectively located at the front end and the rear end of the frame. Each support plate can be equipped with a transmission motor, and a support plate can be equipped with a transmission belt, thus forming two transmission belts. The transmission belt is set on the support plate. The upper part of the board and the two sides of the PCB board are respectively located on the conveyor belt, so as to be conveyed forward. The ejecting mechanism is located between the two support plates, which can conveniently lift the PCB up to the position of the vacuum suction device. A tension wheel and a tension shaft for adjusting the tension force can also be set, which can be set flexibly according to needs.

The jacking mechanism 13 includes a jacking cylinder 131 and a jacking plate 132, the jacking plate 132 is connected with the piston rod of the jacking cylinder 131, the jacking plate 132 is located below the transmission belt 104, and the jacking plate 132 is provided with a thimble 133 , The jacking cylinder is connected with the control computer. The jacking cylinder drives the top plate to rise, and the thimble pushes up, pushing the PCB board in the feeding mechanism to the position of the vacuum suction device.

The discharge mechanism 11 includes a discharge motor 111 and a discharge belt 112, the discharge motor is connected to the discharge shaft through a transmission chain, and the discharge belt bypasses the discharge shaft for circular transmission.

The back area of the vacuum suction device 12 is provided with a side dust suction device, and the sub-board mechanism 5 is provided with a lower dust suction device. Plate mechanism 5, following dust suction device comprises lower dust suction pipe 19, and the dust suction port of following dust suction pipe 19 is located in the sub-board mechanism, and lower dust suction pipe and side dust suction pipe are respectively connected with the vacuum cleaner ( (not shown in the figure) is connected, the vacuum cleaner is connected with the control computer, and the vacuum cleaner is set outside the frame, and the position is not specifically limited, and it is set in principle to facilitate the connection of the lower suction pipe and the side suction pipe. The side dust suction device and the bottom dust suction device can work independently or at the same time, and can be flexibly matched to clean up the dust and debris generated during the processing.

In addition, the casing 2 is provided with a viewing window 3 for convenient observation of processing conditions. And also be provided with power box in the frame, this is common knowledge, provides power supply for each component. The bottom of the rack can also be provided with supporting feet and a pulley assembly to facilitate the movement and horizontal placement of the whole machine. The control computer may have devices such as a display screen and a keyboard.

In addition, the present invention also discloses a control method of a visual online splitter, including the following steps:

Set the feeding speed parameters of the feeding mechanism, and place the PCB board in the feeding mechanism.

The ejecting mechanism will lift the PCB board in the feeding mechanism to the vacuum suction device, and the vacuum suction device will evacuate to form a vacuum adsorption force, adsorb the PCB board on the surface of the vacuum adsorption plate, and the ejecting mechanism will reset.

The X-axis module drives the PCB board to move above the board splitting mechanism, the light source is adjusted to set the brightness value, the camera takes pictures, and the image data is transmitted to the control computer, and the board splitting processing path is set according to the image data of the PCB board.

The Y-axis module and the Z-axis module make the board-splitting mechanism move directionally according to the set board-separating processing path, and process on the PCB.

After the processing is completed, the X-axis module drives the vacuum suction device to move the processed PCB board to the discharge mechanism, and then the vacuum suction device restores the internal pressure, so that the interior is no longer a vacuum environment, and the PCB board falls to the discharge mechanism. In the mechanism, the vacuum suction device is reset, and the discharge mechanism sends out the PCB board to complete the processing, and so on.

The control computer also controls the start of the side dust suction device and the bottom dust suction device to absorb the debris generated during the processing of the separating mechanism.

The present invention integrates automatic operation of material feeding, board separating and material discharging, both of material feeding and material discharging are automatic, no manual operation is required, and all automatic processing greatly improves production efficiency and processing quality.

It should be noted that the above are only preferred embodiments of the present invention, and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the embodiments, those skilled in the art can still implement the foregoing Modifications to the technical solutions described in the examples, or equivalent replacements for some of the technical features, but within the spirit and principles of the present invention, any modifications, equivalent replacements, improvements, etc., shall be included in the protection of the present invention. within range.

Claims (10)

1. A visual online splitter, comprising a frame, the frame is equipped with a casing, and the casing is provided with a control computer, it is characterized in that, the frame is equipped with a splitting mechanism, an X-axis module, The Y-axis module and the Z-axis module, the Z-axis module is assembled on the Y-axis module, the splitting mechanism is installed on the Z-axis module, one side of the splitting mechanism is equipped with a feeding mechanism, and the other side of the splitting mechanism Equipped with a discharge mechanism, the X-axis module is equipped with a vacuum suction device located above the separating mechanism, a camera is installed on the separating mechanism, a light source is installed on the camera, a vacuum suction device, a feeding mechanism, and a discharging mechanism , splitting mechanism, X-axis module, Y-axis module and Z-axis module are respectively connected to the control computer, and a feeding mechanism connected to the control computer is provided under the feeding mechanism; The X-axis module drives the vacuum suction device to move in the X-axis direction, the Y-axis module drives the Z-axis module and the splitting mechanism to move in the Y-axis direction synchronously, and the Z-axis module drives the splitting mechanism to move in the Z-axis direction. 2. The visual online board splitting machine according to claim 1, wherein the vacuum suction device comprises a vacuum adsorption plate, a vacuum adsorption cavity is provided in the vacuum adsorption plate, and the bottom surface of the vacuum adsorption plate is provided to communicate with the vacuum adsorption cavity. The suction hole, the vacuum suction chamber is connected with the vacuum air pipe, the vacuum air pipe is connected with the exhaust fan installed in the frame, and the exhaust fan is connected with the control computer. 3. The visual online board splitter according to claim 2, wherein the X-axis module is provided with a lift cylinder, the piston rod of the lift cylinder is connected to a fixed block, and the fixed block is connected to a vacuum adsorption plate, The lifting cylinder is connected with the control computer. 4. The visual online board splitter according to claim 3, characterized in that, the vacuum adsorption plate is provided with an air pressure sensor for internal air pressure, and the air pressure sensor is connected to the control computer. 5. The visual online board splitting machine according to claim 4, wherein the feeding mechanism comprises a support plate, a transmission motor, a transmission gear set and a transmission belt, the drive shaft of the transmission motor is equipped with a main gear, and the transmission The belt is bypassed on the main gear and the transmission gear set, and the transmission motor is connected with the control computer. 6. The visual online board splitter according to claim 5, characterized in that, the jacking mechanism includes a jacking cylinder and a jacking plate, the jacking plate is connected to the piston rod of the jacking cylinder, and the jacking plate is located at the transmission Below the belt, a thimble is arranged on the lifting plate, and the lifting cylinder is connected with the control computer. 7. The visual online board splitter according to claim 6, wherein the discharge mechanism includes a discharge motor and a discharge belt, the discharge motor is connected to the discharge shaft through a transmission chain, and the discharge belt is connected to the discharge shaft from the discharge belt. The material shaft bypasses the circular drive. 8. The visual online board splitter according to any one of claims 1-7, characterized in that a side dust suction device is provided in the back area of the vacuum suction device, and a bottom suction device is provided on the board splitting mechanism. device, the side suction device includes a side suction pipe, the suction port of the side suction pipe is facing the splitting mechanism, the lower dust suction device includes a lower dust suction pipe, and the dust suction port of the lower dust suction pipe is set in the splitting mechanism, The lower dust suction pipe and the side dust suction pipe are respectively connected with the vacuum cleaner installed outside the frame, and the vacuum cleaner is connected with the control computer. 9. A control method for a visual online splitter, comprising the following steps: Set the feeding speed parameters of the feeding mechanism, and place the PCB board in the feeding mechanism; The ejecting mechanism will lift the PCB board in the feeding mechanism to the vacuum suction device, and the vacuum suction device will evacuate to form a vacuum adsorption force, adsorb the PCB board on the surface of the vacuum adsorption plate, and reset the ejecting mechanism; The X-axis module drives the PCB board to move to the top of the board splitting mechanism, the light source is adjusted to set the brightness value, the camera takes pictures, and the image data is transmitted to the control computer, and the board splitting processing path is set according to the image data of the PCB board; The Y-axis module and the Z-axis module make the board-splitting mechanism move directionally according to the set board-separating processing path, and process on the PCB board; After the processing is completed, the X-axis module drives the vacuum suction device to move the processed PCB board to the discharge mechanism, and then the vacuum suction device restores the internal pressure, so that the interior is no longer a vacuum environment, and the PCB board falls to the discharge mechanism. In the mechanism, the vacuum suction device is reset, and the discharge mechanism sends out the PCB board to complete the processing, and so on. 10. The control method of the visual online board splitter according to claim 9, characterized in that, the control computer also controls the side dust suction device and the bottom dust suction device to start, and removes the debris generated during the processing of the board splitting mechanism. absorb.