Board dividing machine of micro-cutting type circuit board and cutting device of board dividing machine

Abstract

The utility model discloses a board dividing machine of a micro-cutting type circuit board and a cutting device of the board dividing machine, a material conveying mechanism and a material pressing and positioning mechanism of a board dividing mechanism can effectively convey boards to a cutting station and press and position the boards on the cutting station, so that the processing efficiency of the boards is improved. The cutting device comprises a movably-installed blade, a side ejecting piece located on the side position below the blade and a linear moving mechanism driving the side ejecting piece to move, the side ejecting piece is provided with a bulging face with the high middle and the two low sides, the linear moving mechanism drives the side ejecting piece to move towards the blade, and when the side ejecting piece passes through the blade, lateral upward thrust is provided for the blade through the bulging face. And the cutting edge of the blade is jacked to a cutting station to cut a plate, so that the risk of deformation or damage of the blade in the use process can be reduced, the durability of the blade can be enhanced, and the service life of the blade can be prolonged.

Description

Technical Field

[0001] This utility model relates to the field of sheet metal cutting, and in particular to a micro-cutting circuit board separating machine and its cutting device. Background Technology

[0002] V-CUT, also known as "V-groove," is a common auxiliary method for shaping printed circuit boards (PCBs). It involves creating a "V"-shaped groove at the interface where the PCB needs to be separated, allowing the board to be easily pried apart manually to obtain individual units after surface mounting. A V-CUT machine is a device specifically designed for cutting V-grooves on printed circuit boards (PCBs). Its main function is to pre-mark or cut the PCB, making it easy to break at specific locations and separate into individual PCB units during subsequent use. In LED lamp production, a single LED light source board needs to be micro-cut to obtain LED light source board units. Existing V-CUT machines typically include a blade assembly and a power cylinder that moves the blade assembly to cut the board material. The specification of Chinese Utility Model Patent No. CN207373290U discloses a first and second cutting device for an automatic LED light source board separating equipment. These include a U-shaped bracket fixed to a frame, a power cylinder fixed to the U-shaped bracket, a movable plate fixedly connected to the piston rod of the power cylinder, and a cutting die fixed below the movable plate to cut the light source board. The power cylinder drives the cutting die to move up and down, cutting the LED light source board during descent. While existing cutting devices can automate cutting and have a simple structure, the cutting die is driven by the power cylinder, and the linear thrust of the power cylinder acts directly on the cutting die, which can easily cause deformation or damage to the blade during use, thus affecting the blade's durability and service life.

[0003] Therefore, there is room for improvement in the lifespan and durability of existing sheet metal cutting machines in terms of blades. Utility Model Content

[0004] The main purpose of this utility model is to provide a micro-cutting circuit board separating machine and its cutting device, which aims to change the driving method of the blade and improve the service life and durability of the blade.

[0005] This utility model proposes a cutting device for a micro-cutting circuit board separating machine, including a movably mounted blade, a side support located below the blade, and a linear moving mechanism that drives the side support to move. The side support has a bulging surface that is high in the middle and low on both sides. The linear moving mechanism drives the side support to move towards the blade. When the side support passes the blade, it lifts the blade so that the blade edge is lifted to the cutting position to cut the board.

[0006] Preferably, the cutting device is provided with a guide groove for guiding the blade toward the cutting station, and the side top member is a roller.

[0007] Preferably, the device includes support portions located on both sides, with the blade positioned horizontally on the two support portions and the roller positioned horizontally in the space between the two support portions.

[0008] Preferably, the guide groove is formed by guide frames located on both sides of the blade, the guide frames are placed horizontally on the two support portions, and the lower end of the blade extends to the bottom of the guide groove.

[0009] Preferably, the outer side of the support is provided with a mounting groove along its length, and the blade and the guide frame are respectively provided with cantilever joints. The cantilever joint includes a cantilever extending to the mounting groove and a connector inserted into the mounting groove; the mounting groove has a movable space for the connector to move.

[0010] Preferably, the blades are provided in multiples and arranged at intervals between each other.

[0011] Preferably, a roller mounting platform is provided, and multiple rollers are provided. The rollers are rotatably mounted on the roller mounting platform. The linear movement mechanism includes a slide rail, a slider slidably mounted on the slide rail, and a drive assembly. The roller mounting platform is connected to the slider, and the drive assembly drives the roller mounting platform to move on the slide rail.

[0012] This utility model proposes a micro-cutting circuit board separating machine, including a feeding mechanism, a pressing and positioning mechanism, and a cutting device. The feeding mechanism transports the board material to the cutting station, the pressing and positioning mechanism presses and positions the board material at the cutting station, and the cutting device cuts the board material at the cutting station. The cutting device includes a movably mounted blade, a side support member located below the blade, and a linear movement mechanism that moves the side support member. The side support member has a convex surface that is higher in the middle and lower on both sides. The linear movement mechanism moves the side support member towards the blade. When the side support member passes the blade, it lifts the blade so that the blade edge is lifted to the cutting station to cut the board material.

[0013] Preferably, the cutting device is provided with a guide groove for guiding the blade toward the cutting station, and the side top member is a roller.

[0014] Preferably, the device includes support portions located on both sides, with the blade positioned horizontally on the two support portions and the roller positioned horizontally in the space between the two support portions.

[0015] Preferably, the guide groove is formed by guide frames located on both sides of the blade, the guide frames are placed horizontally on the two support portions, and the lower end of the blade extends to the bottom of the guide groove.

[0016] Preferably, the outer side of the support is provided with a mounting groove along its length, and the blade and the guide frame are respectively provided with cantilever joints. The cantilever joint includes a cantilever extending to the mounting groove and a connector inserted into the mounting groove; the mounting groove has a movable space for the connector to move.

[0017] Preferably, the blades are provided in multiples and arranged at intervals between each other.

[0018] Preferably, a roller mounting platform is provided, and multiple rollers are provided. The rollers are rotatably mounted on the roller mounting platform. The linear movement mechanism includes a slide rail, a slider slidably mounted on the slide rail, and a drive assembly. The roller mounting platform is connected to the slider, and the drive assembly drives the roller mounting platform to move on the slide rail.

[0019] Preferably, the material conveying mechanism includes a conveyor belt assembly and a material conveying lifting assembly. The conveyor belt assembly is located outside the cutting device and extends through the surface where the cutting station is located. The conveyor belt assembly feeds material from the front of the cutting station to the cutting station and discharges material from the cutting station to its rear. The material conveying lifting assembly drives the conveyor belt assembly to perform lifting and lowering actions, so that the conveyor belt assembly is raised above the cutting station and lowered below the cutting station.

[0020] The material conveying and lifting assembly raises the conveyor belt assembly above the cutting station to convey the sheet material into the cutting station. Then, the material conveying and lifting assembly lowers the conveyor belt assembly to lower the sheet material to the cutting station. After cutting, the material conveying and lifting assembly raises the conveyor belt assembly to raise the sheet material above the cutting station, and then the conveyor belt assembly outputs the cut sheet material.

[0021] Preferably, the conveyor belt assembly includes multiple sets of conveyor belts, pulleys for tensioning the conveyor belts, a linkage shaft, and a motor. The pulleys mounted on different conveyor belts are arranged in a straight line and connected to the linkage shaft. The motor is driven by a linkage shaft. The cutting device is provided in multiple sets, and the multiple sets of cutting devices are arranged side by side to form a cutting module. There is a gap between adjacent cutting devices, and the conveyor belt runs through the gap from front to back.

[0022] The linkage shaft is rotatably connected to the shaft support frame via bearings, and the shaft support frame and the motor are connected and fixed to the lifting platform of the material conveying and lifting assembly.

[0023] Preferably, the cutting station is located at the upper end of the cutting device, and the pressing and positioning mechanism includes a positioning plate located above the cutting station and a lifting drive assembly that drives the positioning plate to rise and fall. The lifting drive assembly drives the positioning plate to fall to press the plate conveyed to the cutting station, thereby positioning the plate.

[0024] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0025] The cutting device of the micro-cutting circuit board separator proposed in this utility model includes a movably mounted blade, a side support located below the blade, and a linear moving mechanism that drives the side support to move. The side support has a bulging surface that is higher in the middle and lower on both sides. The linear moving mechanism drives the side support to move towards the blade. When the side support passes the blade, it provides a lateral upward thrust to the blade through the bulging surface, thereby lifting the blade and raising the blade edge to the cutting position to cut the board. Compared with the existing linear thrust that directly acts on the blade to drive the blade to cut, this method avoids linear pushing of the blade, reduces the probability of blade deformation or damage during use, and reduces the risk of blade deformation or damage during use, thereby enhancing the durability and service life of the blade.

[0026] The cutting depth can be adjusted by changing the side support with different lifting heights, thus adapting to the cutting of plates of different thicknesses.

[0027] Using rollers as side support components, the rollers lift the blades. As the rollers push the blades, they rotate, which reduces friction on the blades and the frictional resistance between the rollers and the blades. This allows for smoother blade lifting and reduces blade wear.

[0028] The cutting device is equipped with a guide groove to guide the blade toward the cutting station, ensuring the direction of blade movement.

[0029] The feeding mechanism and pressing and positioning mechanism of the micro-cutting circuit board separating machine proposed in this utility model can effectively transport the board material to the cutting station and press and position it on the cutting station, thereby improving the efficiency of board processing. At the same time, because the cutting device of this utility model can reduce the risk of blade deformation or damage during use, it can enhance the durability and service life of the blade. Compared with the prior art, this technical solution has the advantages of longer blade durability and service life and higher board processing efficiency, demonstrating significant superiority. Attached Figure Description

[0030] Figure 1 This is a schematic diagram of the cutting device of the micro-cutting circuit board splitting machine in an embodiment of this utility model.

[0031] Figure 2This is a schematic diagram of the structure of the cutting device of the micro-cutting circuit board separator after the cover plate is removed in an embodiment of this utility model.

[0032] Figure 3 This is a schematic diagram showing the installation of the roller portion of the cutting device of the micro-cutting circuit board separating machine in an embodiment of this utility model.

[0033] Figure 4 This is a schematic diagram of the linear movement mechanism of the cutting device of the micro-cutting circuit board separating machine in an embodiment of this utility model.

[0034] Figure 5 This is a perspective view of the micro-cutting circuit board separating machine in an embodiment of the present invention.

[0035] Figure 6 This is a top view of the micro-cutting circuit board separating machine in an embodiment of the present invention.

[0036] Figure 7 This is a right view of the board splitting machine for micro-cutting circuit boards in an embodiment of this utility model.

[0037] The realization of the purpose, functional features and advantages of this utility model will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0038] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals identify the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain this utility model, and should not be construed as limiting this utility model.

[0039] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used herein in the specification of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "comprising" and "having," and any variations thereof, in the specification, claims, and foregoing drawings of this application are intended to cover non-exclusive inclusion. The terms "first," "second," etc., in the specification, claims, or foregoing drawings of this application are used to distinguish different objects, not to describe a particular order.

[0040] In this document, the term "embodiment" means that a particular feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this application. The appearance of this phrase in various places throughout the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment mutually exclusive with other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0041] Reference Figures 1 to 4 This utility model embodiment provides a cutting device for a micro-cutting circuit board depaneling machine:

[0042] A cutting device for a micro-cutting circuit board separating machine includes a movably mounted blade 11, a side support member located below the blade 11, and a linear movement mechanism that moves the side support member. The blade 11 is naturally positioned below the cutting station. The side support member has a bulging surface that is higher in the middle and lower on both sides. The linear movement mechanism moves the side support member towards the blade 11. As the side support member passes the blade 11, the lower side of the bulging surface first contacts the bottom of the blade 11. As the side support member moves, the contact position between the bulging surface and the blade 11 gradually rises, thereby lifting the blade 11 so that its cutting edge is raised to the cutting station to cut the board and form a cutting groove on the board. Compared with existing methods where linear thrust directly acts on the blade to drive cutting, this method avoids linear pushing of the blade, reducing the probability of blade deformation or damage during use, and thus enhancing the blade's durability and service life.

[0043] The cutting device 10 is provided with a guide groove for guiding the blade 11 toward the cutting station. The blade 11 moves along the guide groove to ensure the direction of movement of the blade 11.

[0044] The cutting device 10 includes a mounting frame, which comprises support portions 12 located on the left and right sides and cover plates 13 located at the front and rear ends. Multiple blades 11 are provided, horizontally positioned on the two support portions 12 and spaced apart from each other. A guide groove is formed by guide frames located on both sides of the blades 11, horizontally positioned on the two support portions 12. The lower end of the blades 11 extends below the guide groove for being lifted by side support members.

[0045] The outer surface of the support 12 has a U-shaped mounting groove 121 along its length. The blade 11 and the guide frame each have a cantilever joint 14 corresponding to the two mounting grooves 121. The cantilever joint 14 is L-shaped and includes a cantilever extending to the mounting groove 121 and a connector inserted into the mounting groove 121. The two connectors of the blade 11 and the two connectors of the guide frame are inserted into the mounting grooves 121 from their ends, preventing the blade 11 and the guide frame from moving left or right. The mounting groove 121 has a space for the connectors to move up and down; when the blade 11 is lifted, the connectors move upward within this space.

[0046] In this embodiment, a horizontally positioned roller 15 is used as a side support. Regardless of how the roller 15 rolls, its upper part is always a bulge surface that is lower on both sides and higher in the middle. The roller 15 is rotatable, and the roller 15 lifts the blade 11. When the roller 15 pushes the blade 11, the roller 15 rotates, which can reduce friction on the blade 11 and reduce the frictional resistance between the roller 15 and the blade 11, thereby lifting the blade 11 more smoothly and reducing wear on the blade 11.

[0047] The mounting frame is equipped with a roller mounting platform 16, on which the rollers 15 are rotatably mounted. The rollers 15 are horizontally positioned in the space between the two support parts 12, and there are multiple rollers 15, each corresponding to the area below the guide frame.

[0048] The linear motion mechanism is located below the roller mounting platform 16 and includes two slide rails 17, a slider 171 slidably mounted on the slide rails 17, and a drive assembly located between the two slide rails 17. The roller mounting platform 16 is connected to the slider 171 and is slidably supported on the slide rails 17 via the slider 171. The drive assembly drives the roller mounting platform 16 to move on the slide rails 17. The drive assembly includes a motor 18, a lead screw 181, a lead screw nut, and a nut seat 19. The output shaft of the motor 18 is connected to the lead screw 181, and the motor 18 drives the lead screw 181 to rotate. The lead screw nut is mounted on the nut seat 19, which is fixed to the bottom of the roller mounting platform 16. The lead screw nut is threadedly connected to the lead screw 181. When the lead screw 181 rotates, it drives the lead screw nut to move on the lead screw 181, thereby driving the roller mounting platform 16 and its rollers 15 to move linearly. The rollers 15 move towards the blade 11, lifting the blade 11 to cut the sheet metal.

[0049] Reference Figures 1 to 7 This utility model embodiment provides a board separating machine for micro-cutting circuit boards:

[0050] A micro-cutting circuit board separating machine includes a feeding mechanism, a pressing and positioning mechanism, and a cutting device 10. The feeding mechanism transports the board material to the cutting station, the pressing and positioning mechanism presses and positions the board material at the cutting station, and the cutting device 10 cuts the board material at the cutting station. Multiple sets of cutting devices 10 are arranged side-by-side, with gaps between adjacent cutting devices 10. The cutting station is located at the top of the cutting module.

[0051] The material conveying mechanism includes a conveyor belt assembly and a material conveying lifting assembly. The conveyor belt assembly includes multiple sets of conveyor belts 21, pulleys 22 for tensioning the conveyor belts 21, a linkage shaft 23, and a motor 26. The conveyor belts 21 are located outside the cutting device 10, extending through the space between adjacent cutting devices 10. The pulleys 22 on different conveyor belts 21 are arranged in a straight line and connected to the linkage shaft 23. The motor 26 is connected to a linkage shaft via a belt drive. A drive wheel 24 is connected to the linkage shaft 23. The motor 26 drives the drive wheel 24 to rotate via a belt 25, thereby driving the linkage shaft 23 and its pulleys 22 to rotate. The pulleys 22 then drive the conveyor belts 21 to rotate. The conveyor belts 21 feed material from the front of the cutting station to the cutting station and discharge material from the cutting station to the rear of the cutting station.

[0052] The material conveying and lifting assembly includes a lifting platform 28 and a cylinder. The movable rod 29 of the cylinder is supported below the lifting platform 28, and the cylinder drives the lifting platform 28 to move up and down. The linkage shaft 23 is rotatably connected to the shaft support frame 27 through bearings. The shaft support frame 27 and the motor 26 are connected and fixed on the lifting platform 28 of the material conveying and lifting assembly. The material conveying and lifting assembly drives the conveyor belt assembly to move up and down.

[0053] The material conveying process is as follows: the material conveying lifting component drives the conveyor belt component to rise above the cutting station, places the board on the conveyor belt 21 to convey the board into the cutting station, and then the material conveying lifting component drives the conveyor belt component to descend so that the board falls to the cutting station. After cutting, the material conveying lifting component drives the conveyor belt component to rise so that the board rises to the cutting station, and then the conveyor belt component outputs the cut board.

[0054] The material positioning mechanism includes a positioning plate 31 located above the cutting station and a lifting drive assembly that drives the positioning plate 31 to rise and fall. The lifting drive assembly includes a second cylinder 32 located above the positioning plate 31. The movable rod of the second cylinder 32 is connected to the positioning plate 31. The second cylinder 32 drives the positioning plate 31 to rise and fall. The positioning plate 31 descends to press the material conveyed to the cutting station, thereby positioning the material.

[0055] The feeding mechanism and the pressing and positioning mechanism can effectively transport the sheet material to the cutting station and press it into position on the cutting station, thereby improving the efficiency of sheet material processing.

[0056] The cutting device 10 includes a movably mounted blade 11, a side support member located below the blade 11, and a linear movement mechanism that moves the side support member. The side support member has a raised surface that is higher in the middle and lower on both sides. The linear movement mechanism moves the side support member towards the blade 11. As the side support member passes the blade 11, the lower side of the raised surface first contacts the bottom of the blade 11. As the side support member moves, the contact position between the raised surface and the blade 11 gradually rises, thereby lifting the blade 11 so that the cutting edge of the blade 11 is raised to the cutting position to cut the sheet metal. Compared with existing methods where linear thrust directly acts on the blade to drive cutting, this method avoids linear pushing of the blade, reduces the probability of blade deformation or damage during use, and reduces the risk of blade deformation or damage during use, thereby enhancing the durability and service life of the blade.

[0057] The cutting device 10 is provided with a guide groove for guiding the blade 11 toward the cutting station. The blade 11 moves along the guide groove to ensure the direction of movement of the blade 11.

[0058] The cutting device 10 includes a mounting frame, which comprises support portions 12 located on the left and right sides and cover plates 13 located at the front and rear ends. Multiple blades 11 are provided, horizontally positioned on the two support portions 12 and spaced apart from each other. A guide groove is formed by guide frames located on both sides of the blades 11, horizontally positioned on the two support portions 12. The lower end of the blades 11 extends below the guide groove for ejection by side top members.

[0059] The outer surface of the support 12 has a U-shaped mounting groove 121 along its length. The blade 11 and the guide frame each have a cantilever joint 14 corresponding to the two mounting grooves 121. The cantilever joint 14 is L-shaped and includes a cantilever extending to the mounting groove 121 and a connector inserted into the mounting groove 121. The two connectors of the blade 11 and the two connectors of the guide frame are inserted into the mounting grooves 121 from their ends, preventing the blade 11 and the guide frame from moving left or right. The mounting groove 121 has a space for the connectors to move up and down; when the blade 11 is lifted, the connectors move upward within this space.

[0060] In this embodiment, a horizontally positioned roller 15 is used as a side support. Regardless of how the roller 15 rolls, its upper part is always a bulge surface that is lower on both sides and higher in the middle. The roller 15 is rotatable, and the roller 15 lifts the blade 11. When the roller 15 pushes the blade 11, the roller 15 rotates, which can reduce friction on the blade 11 and reduce the frictional resistance between the roller 15 and the blade 11, thereby lifting the blade 11 more smoothly and reducing wear on the blade 11.

[0061] The mounting frame is equipped with a roller mounting platform 16, on which the rollers 15 are rotatably mounted. The rollers 15 are horizontally positioned in the space between the two support parts 12, and there are multiple rollers 15, each corresponding to the area below the guide frame.

[0062] The linear motion mechanism is located below the roller mounting platform 16 and includes two slide rails 17, a slider 171 slidably mounted on the slide rails 17, and a drive assembly located between the two slide rails 17. The roller mounting platform 16 is connected to the slider 171 and is slidably supported on the slide rails 17 via the slider 171. The drive assembly drives the roller mounting platform 16 to move on the slide rails 17. The drive assembly includes a motor 18, a lead screw 181, a lead screw nut, and a nut seat 19. The output shaft of the motor 18 is connected to the lead screw 181, and the motor 18 drives the lead screw 181 to rotate. The lead screw nut is mounted on the nut seat 19, which is fixed to the bottom of the roller mounting platform 16. The lead screw nut is threadedly connected to the lead screw 181. When the lead screw 181 rotates, it drives the lead screw nut to move on the lead screw 181, thereby driving the roller mounting platform 16 and its rollers 15 to move linearly. The rollers 15 move towards the blade 11, lifting the blade 11 to cut the sheet metal.

[0063] The above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit the scope of protection of this utility model. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on these embodiments, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model. Although this utility model has been described in detail with reference to the above embodiments, those skilled in the art can still combine, add, delete, or otherwise adjust the features of the various embodiments of this utility model according to the circumstances without conflict or creative effort, thereby obtaining different technical solutions that do not fundamentally depart from the concept of this utility model. These technical solutions are also within the scope of protection of this utility model.

Claims

1. A cutting device for a micro-cutting type circuit board depaneling machine, characterized in that, The device includes a movable blade, a side support located below the blade, and a linear moving mechanism that moves the side support. The side support has a raised surface that is high in the middle and low on both sides. The linear moving mechanism moves the side support towards the blade. When the side support passes the blade, it lifts the blade so that the blade edge is lifted to the cutting position to cut the plate.

2. The cutting device for the micro-cutting circuit board separating machine according to claim 1, characterized in that, The cutting device is provided with a guide groove for guiding the blade toward the cutting station, and the side top component is a roller.

3. The cutting device for the micro-cutting circuit board separating machine according to claim 2, characterized in that, It includes support portions located on both sides, with the blade placed horizontally on the two support portions, and the roller placed horizontally in the space between the two support portions.

4. The cutting device for the micro-cutting circuit board separating machine according to claim 3, characterized in that, The guide groove is formed by guide frames located on both sides of the blade, the guide frames are placed horizontally on the two support parts, and the lower end of the blade extends to the bottom of the guide groove.

5. The cutting device for the micro-cutting circuit board separating machine according to claim 4, characterized in that, The outer side of the support is provided with a mounting groove along its length. The blade and the guide frame are respectively provided with cantilever joints. The cantilever joint includes a cantilever extending to the mounting groove and a connector inserted into the mounting groove. The mounting groove has a movable space for the connector to move.

6. The cutting device of the micro-cutting circuit board separating machine according to any one of claims 2 to 5, characterized in that, The blades are provided in multiples and are arranged at intervals between each other.

7. The cutting device for the micro-cutting circuit board separating machine according to claim 6, characterized in that, A roller mounting platform is provided, and multiple rollers are provided. The rollers are rotatably mounted on the roller mounting platform. The linear movement mechanism includes a slide rail, a slider slidably mounted on the slide rail, and a drive assembly. The roller mounting platform is connected to the slider, and the drive assembly drives the roller mounting platform to move on the slide rail.

8. A PCB depaneling machine for micro-cutting circuit boards, characterized in that, The device includes a material conveying mechanism, a material pressing and positioning mechanism, and a cutting device. The material conveying mechanism conveys the board to the cutting station, the material pressing and positioning mechanism presses and positions the board at the cutting station, and the cutting device cuts the board at the cutting station. The cutting device is the cutting device of the micro-cutting circuit board separating machine according to any one of claims 1 to 7.

9. The board separating machine for micro-cutting circuit boards according to claim 8, characterized in that, The material conveying mechanism includes a conveyor belt assembly and a material conveying lifting assembly. The conveyor belt assembly is located outside the cutting device and extends through the surface where the cutting station is located. The conveyor belt assembly feeds material from the front of the cutting station to the cutting station and discharges material from the cutting station to its rear. The material conveying lifting assembly drives the conveyor belt assembly to perform lifting and lowering actions, so that the conveyor belt assembly is raised above the cutting station and lowered below the cutting station. The material conveying and lifting assembly raises the conveyor belt assembly above the cutting station to convey the sheet material into the cutting station. Then, the material conveying and lifting assembly lowers the conveyor belt assembly to lower the sheet material to the cutting station. After cutting, the material conveying and lifting assembly raises the conveyor belt assembly to raise the sheet material above the cutting station, and then the conveyor belt assembly outputs the cut sheet material.

10. The board separating machine for micro-cutting circuit boards according to claim 9, characterized in that, The conveyor belt assembly includes multiple sets of conveyor belts, pulleys for tensioning the conveyor belts, a linkage shaft, and a motor. The pulleys mounted on different conveyor belts are arranged in a straight line and connected to the linkage shaft. The motor is driven by one of the linkage shafts. The cutting device is provided in multiple sets, and the multiple sets of cutting devices are arranged side by side to form a cutting module. There is a gap between adjacent cutting devices, and the conveyor belt runs through the gap from front to back. The linkage shaft is rotatably connected to the shaft support frame via bearings, and the shaft support frame and the motor are connected and fixed to the lifting platform of the material conveying and lifting assembly.

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