Routing machine with burr removal function for PCB (Printed Circuit Board) processing and use method of routing machine

Abstract

The invention discloses a gong machine with a burr removing function for PCB processing and a use method thereof, and belongs to the technical field of PCB processing. Laser emitted by a cutting head is used for pre-ablating a PCB, ablating a PI layer near an appearance line of the PCB, and completely ablating the PI layer on the PCB until a hard board layer material of the PCB is exposed; the method comprises the following steps of: cutting a PCB (printed circuit board) into a whole, then normally carrying out routing appearance production, ablating and removing PI (polyimide) in an area, close to a routing line, of a routing cutter feeding position, so that the problem of burrs on the PI of the soft board during routing can be avoided, carbon powder can be generated at an ablated position, a dust hood can suck the generated carbon powder, and after burning, the routing cutter can synchronously move with a cutting head and carry out routing appearance production on the PCB, so that the production efficiency is improved. The PCB machining efficiency is improved, dust generated by PCB machining through the milling cutter is sucked by the dust suction hood, then the machining environment is optimized, the product quality is guaranteed, and batch production work of PCBs is facilitated.

Description

Technical Field

[0001] The present invention relates to the technical field of PCB board processing, and particularly to a router for PCB board processing with a burr removal function and its usage method. Background Technique

[0002] The PCB board router is mainly used for processing operations such as punching holes, drilling holes, and milling on circuit boards. It also has a chamfering function, which can trim the edges of the circuit board to make them smooth and burr-free, improving the quality of the circuit board. The PCB board is processed by a router rotating at high speed. In the current PCB industry, for the asymmetric structure rigid-flex printed circuit boards with flexible boards on the outer layer, since the substrate of the flexible board layer is a polyimide (PI) film, the material is relatively soft and has elasticity and ductility. When routing the outer shape of the board, the problem of PI burrs on the edges of the flexible board surface has always been a major problem in the industry. It cannot be completely solved by adjusting process parameters and can only be removed by manual repair, and it is difficult to clean them completely, seriously affecting production efficiency and product quality, and being unfavorable for the mass production of PCB boards.

[0003] Based on this, the present invention designs a router for PCB board processing with a burr removal function and its usage method to solve the above problems. Summary of the Invention

[0004] The purpose of the present invention is to provide a router for PCB board processing with a burr removal function and its usage method to solve the problem proposed in the above background technique that since the substrate of the flexible board layer is a polyimide (PI) film, the material is relatively soft and has elasticity and ductility, and the problem of PI burrs on the edges of the flexible board surface when routing the outer shape of the board has always been a major problem in the industry. It cannot be completely solved by adjusting process parameters and can only be removed by manual repair, and it is difficult to clean them completely, seriously affecting production efficiency and product quality.

[0005] To achieve the above purpose, the present invention provides the following technical solutions: A router for PCB board processing with burr removal function, including a machine base, a support platform is fixed on the machine base, a machine frame is fixedly installed on the support platform, a driving component is fixedly installed inside the support platform, the top of the driving component is fixedly connected with a workbench, the workbench is lapped on the support platform, a guiding hole is opened on the support platform, the top of the driving component is slidably connected in the guiding hole, four sliding holes are opened on the workbench, a calibration and positioning component is slidably connected in the four sliding holes, the calibration and positioning component is fixedly installed inside the workbench, a machine head is installed at the top inside the machine frame, a column is fixed at the bottom of the machine head, a tool holder is installed at the bottom of the column, a router bit is clamped in the tool holder, a slideway is opened outside the column, a plurality of tooth grooves are opened in the slideway, a deflection component is slidably connected in the slideway, grooves are respectively opened on both sides inside the deflection component, a locking component is slidably connected in the grooves, the locking component is clamped in the tooth grooves, and a cleaning component and a laser cutting component are respectively fixedly installed on both sides of the deflection component.

[0006] As a further solution of the present invention, sliding seats are respectively fixed on both sides of the bottom of the workbench, sliding grooves corresponding to the sliding seats are opened on the support platform, the cross-sectional shapes of the sliding grooves and the sliding seats are respectively T-shaped, and walking wheels are respectively fixed at the four corners of the bottom of the machine base.

[0007] As a further solution of the present invention, the driving component includes a motor, the motor is fixed in front of the support platform, the output shaft of the motor is fixedly connected with a stud, both ends of the stud are respectively installed inside the support platform through bushings, a nut is threadedly connected to the outer wall of the stud on the side far from the motor, a fixed block is fixed on the nut, the fixed block is fixed to the bottom of the workbench, and the fixed block is slidably connected in the guiding hole.

[0008] As a further solution of the present invention, the calibration and positioning component includes four clamping plates, nuts are clamped in the middle of the clamping plates on the front and rear sides, a bidirectional lead screw is threadedly connected in the two nuts, both ends of the bidirectional lead screw are movably installed inside the workbench through bushings, the clamping plates penetrate and are slidably connected in the sliding holes, a turning handle is fixedly connected to the front end of the bidirectional lead screw, and support rods are respectively hinged between adjacent two clamping plates through pin shafts.

[0009] As a further solution of the present invention, the deflection component includes a rotating ring, the cross-sectional shape of the rotating ring is T-shaped and it is slidably connected in the slideway, baffles and side plates are respectively fixedly connected to both sides of the rotating ring, a handle is fixed at the top of the baffle and the side plate, a pointer is fixedly connected to the top of the rotating ring, and an angle scale ring is arranged on one side of the pointer, and the angle scale ring is fixed outside the column.

[0010] As a further solution of the present invention, the locking component includes a pressing block which is slidably connected in the groove. A plurality of limiting teeth are fixed on one side of the pressing block close to the column, and the limiting teeth are clamped in the tooth grooves. A sliding rod is fixedly connected to the outside of the pressing block. One end of the sliding rod penetrates through the groove and is fixed with a handle, and a spring is sleeved outside the sliding rod. Both ends of the spring are fixed between the pressing block and the inner wall of the groove.

[0011] As a further solution of the present invention, the cleaning component includes a dust suction cover. The opening at the bottom of the dust suction cover faces the milling cutter. A wind pipe is communicated with the outside of the dust suction cover. The end of the wind pipe is connected with a conduction pipe. A limiting groove is opened outside the column. The conduction pipe is of a ring design and slides in the limiting groove. A connecting pipe is communicated with the side of the conduction pipe away from the wind pipe.

[0012] As a further solution of the present invention, the laser cutting component includes a laser generator. A cutting head is installed at the bottom end of the laser generator. A connecting block is fixed outside the laser generator, and the connecting block is fixedly connected to the inside of the side plate. A connecting wire is installed at the top of the laser generator. The connecting wire and the connecting pipe penetrate and are clamped in the side plate. The dust suction cover, the cutting head and the milling cutter are on the same horizontal line.

[0013] A using method of a milling machine with a burr removal function for PCB board processing, the using method includes the following steps: When processing the PCB board, the driving motor works to drive the screw to rotate. During the rotation of the screw, the external nut drives the workbench to move forward on the support table through the fixed block. When the workbench moves out of the machine frame, it will drive two sliding seats to slide in the sliding grooves. The T-shaped sliding grooves support and limit the sliding seats to prevent the workbench from shifting during movement and improve the stability of the workbench movement. When the workbench is completely moved out of the machine frame, the motor stops working, and the PCB board to be processed is placed on the workbench so that the PCB board is located between the four clamping plates. When centering and calibrating the PCB board, the bidirectional screw is rotated by turning the turning handle, so that the two nuts outside the bidirectional screw move. The two nuts drive the front and rear clamping plates to move away from each other respectively. The front and rear clamping plates are connected to the clamping plates on both sides through the hinged support rods. When the front and rear clamping plates move, the support rods are used to pull the clamping plates on both sides to move. That is, when the front and rear clamping plates move away from each other, the clamping plates on the left and right sides move closer to each other until the clamping plates on the left and right sides contact and press the two sides of the PCB board, thereby pushing the PCB board to the middle of the workbench to achieve the purpose of preliminary calibration of the PCB board. Secondly, rotate the handle in the reverse direction and drive the bidirectional lead screw to turn over, so that the two nuts drive the two clamping plates on the front and rear sides to approach each other respectively. At the same time, the clamping plates on the front and rear sides drive the clamping plates on the left and right sides to move away from each other through the support rods. At this time, the clamping plates on the left and right sides are away from the PCB board. When the clamping plates on the front and rear sides contact the front and rear sides of the PCB board, they push the PCB board to move, so that the PCB board is in the central position above the workbench. At this time, the clamping plates on the front and rear sides clamp the PCB board, so as to achieve the purpose of centering and positioning the PCB board; When transferring the workbench with the PCB board to the inside of the machine frame, control the motor to reverse to drive the stud to rotate. The nut outside the stud drives the workbench to move into the machine frame through the fixed block. When the workbench moves below the machine head, the motor stops working. At this time, control the machine head, the cleaning component and the laser cutting component to work. Make a laser cutting program through the laser cutting component. In the laser program of the laser generator, within 0.1 mm on the left and right along the outer contour line, use lines for filling, and the distance between the lines is 15 - 20 μm, so that there is a width limit of 0.1 mm on both sides of the laser emitted by the cutting head. When processing the PCB board with a router, the laser emitted by the cutting head pre-ablates the PCB board, ablates the PI layer near the outer contour line of the PCB board, and completely ablates the PI layer on the PCB board until the hard board layer material of the PCB board is exposed, and then carry out the normal production of routing the outer contour. The PI in the area where the router cutting position is close to the outer contour line has been ablated and removed, so as to avoid the problem of burrs on the soft board PI when routing the board; When ablating the PI layer on the PCB board, carbon powder will be generated at the ablation position. Connect the connecting pipe to the external dust suction device, and the opening at the bottom of the dust suction hood faces the router, so that the dust suction hood can suck the generated carbon powder, and the dust suction hood, the cutting head and the router are on the same horizontal line. During the horizontal movement of the machine head, after the carbon powder is generated, the dust suction hood will immediately extract it to prevent the carbon powder from spreading on the PCB board. Moreover, after ablation, the router will move synchronously with the cutting head and carry out the routing of the outer contour of the PCB board, improving the processing efficiency of the PCB board. The dust generated by the router during the processing of the PCB board is also extracted by the dust suction hood, thereby optimizing the processing environment and preventing dust particles from adhering to the PCB board and affecting subsequent use. The extracted dust particles are discharged from the external dust suction device through the air duct, the conduction pipe and the connecting pipe; When adjusting the positions of the cleaning component and the laser cutting component, push the handles on both sides of the column, so that the handles drive the pressing block to slide in the groove through the sliding rod. The pressing block drives the inner limiting teeth to disengage from the tooth grooves in the slideway, so as to release the locking state between the deflection component and the column. Drive the rotating ring to slide in the slideway outside the column by pushing the handle. The rotating ring with a T-shaped cross-section slides in the slideway, improving the stability of the rotation of the rotating ring and preventing the rotating ring from moving in the vertical direction. The rotating ring synchronously adjusts the angles of the dust suction hood and the laser generator through the baffle and the side plate respectively. At the same time, the pointer above the rotating ring points to the angle scale ring, improving the accuracy of the angle adjustment of the dust suction hood and the laser generator, so as to freely adjust the angles of the dust suction hood and the cutting head according to the feed direction of the router bit, ensuring that the cutting head performs pre-ablative processing, then using the router bit to process the hard board layer material of the PCB board, and the dust suction hood is always on the same horizontal line as the cutting head, thereby ensuring the dust suction effect and meeting the purpose of multi-directional processing of the PCB board; After completing the angle adjustment of the dust suction hood and the cutting head, loosen the handle, support the pressing block by the elastic force of the spring, make the pressing block approach the column and drive the inner limiting teeth to snap into the tooth grooves, so as to lock the position of the rotating ring and prevent the rotating ring from freely rotating and affecting the ablative work of the cutting head and the dust suction work of the dust suction hood.

[0014] Compared with the prior art, the beneficial effects of the present invention are: In the present invention, within the range of 0.1 mm on the left and right along the outer contour line of the laser program of the laser generator, lines are used for filling, and the distance between the lines is 15 - 20 μm, so that there is a width limit of 0.1 mm on both sides of the laser emitted by the cutting head. When using a router bit to process the PCB board, the laser emitted by the cutting head pre-ablates the PCB board, ablates the PI layer near the outer contour line of the PCB board, completely ablates the PI layer on the PCB board until the hard board layer material of the PCB board is exposed, and then normal outer contour production is carried out. The PI in the area near the outer contour line where the router bit feeds has been ablated and removed, so as to avoid the problem of burrs on the soft board PI when routing the board. Carbon powder will be generated at the ablation position. Connect the connecting pipe to the external dust suction device, and the opening at the bottom of the dust suction hood faces the router bit, so that the dust suction hood can suck the generated carbon powder. Moreover, the dust suction hood, the cutting head and the router bit are on the same horizontal line. During the horizontal movement of the machine head, after the carbon powder is generated, the dust suction hood will immediately extract it to prevent the carbon powder from spreading on the PCB board. And after ablation, the router bit will move synchronously with the cutting head and carry out outer contour production on the PCB board, improving the processing efficiency of the PCB board. The dust generated by the router bit during the processing of the PCB board is also extracted by the dust suction hood, thereby optimizing the processing environment, ensuring the quality of the product, and being beneficial to the mass production work of the PCB board.

[0015] In the present invention, by pushing the handles on both sides of the column, the handles drive the pressing block to slide in the groove through the sliding rod, and the pressing block drives the inner limiting teeth to disengage from the tooth grooves in the slideway, thus releasing the locking state between the deflection assembly and the column. By pushing the handle, the rotating ring is driven to slide in the slideway outside the column. The rotating ring with a T-shaped cross-section slides in the slideway, improving the stability of the rotation of the rotating ring and preventing the rotating ring from moving in the vertical direction. The rotating ring synchronously adjusts the angles of the dust suction hood and the laser generator through the baffle and the side plate respectively. At the same time, the pointer above the rotating ring points to the angle scale ring, improving the accuracy of the angle adjustment of the dust suction hood and the laser generator, and freely adjusting the angles of the dust suction hood and the cutting head according to the feed direction of the milling cutter, ensuring that the cutting head performs pre-ablative processing, then using the milling cutter to process the hard board layer material of the PCB board, and the dust suction hood always remains on the same horizontal line as the cutting head, thereby ensuring the dust suction effect and meeting the purpose of multi-directional processing of the PCB board.

[0016] In the present invention, by rotating the rotating handle, the bidirectional lead screw is driven to rotate, causing the two nuts outside the bidirectional lead screw to move. The two nuts respectively drive the front and rear clamping plates to move away from each other. The front and rear clamping plates are connected to the two side clamping plates through the support rods arranged by hinge. When the front and rear clamping plates move, the support rods pull the two side clamping plates to move. That is, when the front and rear clamping plates move away from each other, the left and right clamping plates move closer to each other until the left and right clamping plates contact and squeeze the two sides of the PCB board, thereby pushing the PCB board to the middle of the workbench and achieving the purpose of preliminary calibration of the PCB board. Secondly, reverse-rotate the rotating handle and drive the bidirectional lead screw to flip, so that the two nuts respectively drive the front and rear two clamping plates to move closer to each other. At the same time, the front and rear clamping plates drive the left and right clamping plates to move away from each other through the support rods. At this time, the left and right clamping plates move away from the PCB board. When the front and rear clamping plates contact the front and rear sides of the PCB board, they push the PCB board to move, making the PCB board in the central position above the workbench. At this time, the front and rear clamping plates clamp the PCB board, thereby achieving the purpose of central calibration and positioning of the PCB board and preventing the PCB board from shifting during each installation, which affects the processing accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0018] Figure 1 is a three-dimensional structural schematic diagram of the present invention; Figure 2 is a structural schematic diagram of the connection between the machine base and the support table of the present invention; Figure 3 Structural schematic diagram of the driving component of the present invention; Figure 4 Structural schematic diagram of the calibration and positioning component of the present invention; Figure 5 Structural schematic diagram of the connection between the machine head and the column of the present invention; Figure 6 Structural schematic diagram of the column and the tool holder of the present invention; Figure 7 Structural schematic diagram of the deflection component of the present invention; Figure 8 Structural schematic diagram of the cross-section of the swivel ring of the present invention; Figure 9 For the present invention Figure 8 Enlarged structural schematic diagram at position A in; Figure 10 Structural schematic diagram of the cleaning component and the laser cutting component of the present invention; Figure 11 Structural schematic diagram of the connection between the tool holder and the milling cutter of the present invention.

[0019] In the drawings, the list of components represented by each reference numeral is as follows: 1, machine base; 2, support table; 3, frame; 4, driving component; 401, motor; 402, stud; 403, nut; 404, fixing block; 5, workbench; 6, sliding seat; 7, sliding groove; 8, sliding hole; 9, calibration and positioning component; 901, clamping plate; 902, nut; 903, bidirectional lead screw; 904, turning handle; 905, support rod; 10, walking wheel; 11, machine head; 12, column; 13, tool holder; 14, milling cutter; 15, deflection component; 151, swivel ring; 152, baffle; 153, side plate; 154, handle; 155, pointer; 16, groove; 17, locking component; 171, pressing block; 172, limiting tooth; 173, sliding rod; 174, handle; 175, spring; 18, slideway; 19, tooth groove; 20, angle scale ring; 21, limiting groove; 22, cleaning component; 221, dust suction hood; 222, air duct; 223, conduction pipe; 224, connecting pipe; 23, laser cutting component; 231, laser generator; 232, cutting head; 233, connecting block; 234, connecting wire; 24, guiding hole. Detailed implementation manners

[0020] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts belong to the scope of protection of the present invention.

[0021] Please refer to Figures 1 - 11 , the present invention provides a technical solution: A router for processing PCB boards with a burr removal function, including a machine base 1, a support table 2 is fixed on the machine base 1, a machine frame 3 is fixedly installed on the support table 2, a driving component 4 is fixedly installed inside the support table 2, the top of the driving component 4 is fixedly connected to a workbench 5, the workbench 5 is lapped on the support table 2, a guiding hole 24 is opened on the support table 2, the top of the driving component 4 is slidably connected inside the guiding hole 24, four sliding holes 8 are opened on the workbench 5, a calibration and positioning component 9 is slidably connected inside the four sliding holes 8, the calibration and positioning component 9 is fixedly installed inside the workbench 5, a machine head 11 is installed at the top inside the machine frame 3, a column 12 is fixed at the bottom of the machine head 11, a tool holder 13 is installed at the bottom of the column 12, a router bit 14 is clamped inside the tool holder 13, a slideway 18 is opened outside the column 12, several tooth grooves 19 are opened inside the slideway 18, a deflection component 15 is slidably connected inside the slideway 18, grooves 16 are respectively opened on both sides inside the deflection component 15, locking components 17 are slidably connected inside the grooves 16, the locking components 17 are clamped inside the tooth grooves 19, cleaning components 22 and laser cutting components 23 are respectively fixedly installed on both sides of the deflection component 15.

[0022] During operation, the cleaning component 22, the laser cutting component 23 and the router bit 14 are on the same horizontal line. After the laser cutting component 23 completes the burning work on the PCB board, the router bit 14 will move synchronously with the laser cutting component 23 and perform the outer shape production of the PCB board, improving the processing efficiency of the PCB board. The dust generated by the router bit 14 during the processing of the PCB board is extracted by the cleaning component 22 together. By integrating the cleaning component 22 and the laser cutting component 23 on both sides of the router bit 14, there is no need to independently add the burning and carbon powder extraction processes, improving the processing efficiency of the PCB board; As a further solution of the present invention, sliding seats 6 are respectively fixed on both sides of the bottom of the workbench 5, sliding grooves 7 are opened on the support table 2 at positions corresponding to the sliding seats 6, the cross-sectional shapes of the sliding grooves 7 and the sliding seats 6 are respectively T-shaped, and traveling wheels 10 are respectively fixed at the four corners of the bottom of the machine base 1; During operation, when the workbench 5 moves, it will drive the two sliding seats 6 to slide in the sliding grooves 7. The T-shaped sliding grooves 7 support and limit the sliding seats 6, preventing the workbench 5 from shifting positions during movement and improving the stability of the movement of the workbench 5.

[0023] As a further solution of the present invention, the driving assembly 4 includes a motor 401. The motor 401 is fixed in front of the support table 2. The output shaft of the motor 401 is fixedly connected with a stud 402. Both ends of the stud 402 are respectively installed inside the support table 2 through bushings. A nut 403 is threadedly connected to the outer wall of the stud 402 on the side away from the motor 401. A fixing block 404 is fixed on the nut 403. The fixing block 404 is fixed to the bottom of the workbench 5, and the fixing block 404 is slidably connected in the guiding hole 24; During operation, the driving motor 401 works to drive the stud 402 to rotate. During the rotation of the stud 402, the external nut 403 drives the workbench 5 to move forward on the support table 2 through the fixing block 404. When the workbench 5 is completely moved out of the frame 3, the motor 401 stops working, and the PCB board to be processed is placed on the workbench 5. When the PCB board is sent into the frame 3, the motor 401 is controlled to reverse to drive the stud 402 to rotate. The nut 403 outside the stud 402 drives the workbench 5 to move into the frame 3 through the fixing block 404. When the workbench 5 moves below the machine head 11, the motor 401 stops working, which facilitates the loading and unloading of the PCB board without the need to operate inside the frame 3, improving the operation convenience of disassembling and assembling the PCB board.

[0024] As a further solution of the present invention, the calibration and positioning assembly 9 includes four clamping plates 901. Nuts 902 are clamped in the middle of the clamping plates 901 on the front and rear sides. A bidirectional lead screw 903 is threadedly connected inside the two nuts 902. Both ends of the bidirectional lead screw 903 are movably installed inside the workbench 5 through bushings. The clamping plates 901 penetrate and are slidably connected in the sliding holes 8. A turning handle 904 is fixedly connected to the front end of the bidirectional lead screw 903. Support rods 905 are respectively hinged between adjacent two clamping plates 901 through pin shafts; During operation, by rotating the turning handle 904, the two nuts 902 outside the bidirectional lead screw 903 move. The two nuts 403 drive the clamping plates 901 on the front and rear sides to move away from each other respectively. The clamping plates 901 on the front and rear sides are connected to the clamping plates 901 on both sides through the hinged support rods 905. When the clamping plates 901 on the front and rear sides move, the support rods 905 pull the clamping plates 901 on both sides to move, that is, when the clamping plates 901 on the front and rear sides move away from each other, the clamping plates 901 on the left and right sides move closer to each other until the clamping plates 901 on the left and right sides contact and press the two sides of the PCB board, thereby pushing the PCB board to the middle of the workbench 5, playing a role in initially calibrating the PCB board; By reversely rotating the handle 904 and driving the bidirectional lead screw 903 to flip, the two nuts 902 drive the two clamping plates 901 on the front and rear sides to approach each other respectively. At the same time, the clamping plates 901 on the front and rear sides drive the clamping plates 901 on the left and right sides to move away from each other through the support rods 905. At this time, the clamping plates 901 on the left and right sides are far away from the PCB board, and the clamping plates 901 on the front and rear sides push the PCB board to move when contacting the front and rear sides of the PCB board, so that the PCB board is in the central position above the workbench 5, which is convenient for the central calibration work of the PCB board and improves the subsequent processing accuracy of the PCB board.

[0025] As a further solution of the present invention, the deflection assembly 15 includes a rotating ring 151. The cross-sectional shape of the rotating ring 151 is T-shaped and it is slidably connected in the slideway 18. Two sides of the rotating ring 151 are respectively fixedly connected with a baffle 152 and a side plate 153. The top of the baffle 152 and the side plate 153 is fixed with a handle 154. The top of the rotating ring 151 is fixedly connected with a pointer 155, and an angle scale ring 20 is arranged on one side of the pointer 155. The angle scale ring 20 is fixed outside the column 12. During operation, by pushing the handle 154 to drive the rotating ring 151 to slide in the slideway 18 outside the column 12, the rotating ring 151 with a T-shaped cross-sectional shape slides in the slideway 18, improving the stability of the rotation of the rotating ring 151 and preventing the rotating ring 151 from moving in the vertical direction. The pointer 155 above the rotating ring 151 points to the angle scale ring 20, improving the accuracy of the angle adjustment of the dust suction hood 221 and the laser generator 231, and freely adjusting the angles of the dust suction hood 221 and the cutting head 232 according to the feed direction of the router 14 to ensure that the cutting head 232 performs pre-ablative processing.

[0026] As a further solution of the present invention, the locking assembly 17 includes a pressing block 171. The pressing block 171 is slidably connected in the groove 16. A plurality of limiting teeth 172 are fixed on one side of the pressing block 171 close to the column 12. The limiting teeth 172 are clamped in the tooth grooves 19. The outside of the pressing block 171 is fixedly connected with a sliding rod 173. One end of the sliding rod 173 penetrates through the groove 16 and is fixed with a handle 174. A spring 175 is sleeved outside the sliding rod 173. Two ends of the spring 175 are fixed between the pressing block 171 and the inner wall of the groove 16. During operation, the pressing block 171 is supported by the elastic force of the spring 175, so that the pressing block 171 approaches the column 12 and drives the inner limiting teeth 172 to be inserted into the tooth grooves 19, achieving the purpose of locking the position of the rotating ring 151 and preventing the free rotation of the rotating ring 151 from affecting the ablation work of the cutting head 232 and the dust suction work of the dust suction hood 221.

[0027] As a further solution of the present invention, the cleaning component 22 includes a dust suction hood 221. The opening at the bottom of the dust suction hood 221 faces the router bit 14. A wind pipe 222 is connected to the outside of the dust suction hood 221. One end of the wind pipe 222 is connected to a conduction pipe 223. A limiting groove 21 is formed outside the column 12. The conduction pipe 223 is of a circular design and slides in the limiting groove 21. A connection pipe 224 is connected to the side of the conduction pipe 223 away from the wind pipe 222. During operation, the dust suction hood 221, the cutting head 232 and the router bit 14 are on the same horizontal line. During the horizontal movement of the machine head 11, after the carbon powder is generated, the dust suction hood 221 will immediately extract it to prevent the carbon powder from spreading on the PCB board. The dust generated by the router bit 14 during the processing of the PCB board is also extracted by the dust suction hood 221, thereby optimizing the processing environment and preventing dust particles from adhering to the PCB board and affecting subsequent use. The extracted dust particles are discharged from an external dust suction device through the wind pipe 222, the conduction pipe 223 and the connection pipe 224. The circular conduction pipe 223 is limited by the limiting groove 21, so that the conduction pipe 223 can rotate inside the limiting groove 21, and supports the dust suction hood 221, the conduction pipe 223 and the wind pipe 222 to prevent the wind pipe 222 from deforming under the action of external force and affecting the air flow conduction work.

[0028] As a further solution of the present invention, the laser cutting component 23 includes a laser generator 231. A cutting head 232 is installed at the bottom end of the laser generator 231. A connecting block 233 is fixed outside the laser generator 231. The connecting block 233 is fixedly connected to the inside of the side plate 153. A connecting wire 234 is installed on the top of the laser generator 231. The connecting wire 234 and the connection pipe 224 are inserted and clamped through the side plate 153. The dust suction hood 221, the cutting head 232 and the router bit 14 are on the same horizontal line. During operation, a laser cutting program is made through the laser cutting component 23. In the laser program of the laser generator 231, within a range of 0.1 mm on each side along the outer contour line, lines are used for filling, and the spacing between the lines is 15 - 20 μm, so that there is a width limit of 0.1 mm on each side of the laser emitted by the cutting head 232. The spacing between the lines is fine, and the fine spacing can make the filled surface smoother and more uniform. And in some applications with high precision requirements, it can meet their specific performance requirements.

[0029] A usage method of a router for PCB board processing with a burr removal function. The usage method includes the following steps: When processing the PCB board, the driving motor 401 is operated to drive the stud 402 to rotate. During the rotation of the stud 402, the external nut 403 drives the workbench 5 to move forward on the support table 2 through the fixing block 404. When the workbench 5 moves out of the frame 3, it drives the two sliding seats 6 to slide in the chute 7. The T-shaped chute 7 supports and positions the sliding seat 6 to prevent the workbench 5 from shifting during movement, improving the stability of the workbench 5 during movement. When the workbench 5 is completely moved out of the frame 3, the motor 401 stops working, and the PCB board to be processed is placed on the workbench 5 so that the PCB board is located between the four clamping plates 901; When centering and calibrating the PCB board, the turning handle 904 is rotated to drive the bidirectional lead screw 903 to rotate, causing the two nuts 902 outside the bidirectional lead screw 903 to move. The two nuts 403 then drive the front and rear clamping plates 901 to move away from each other. The front and rear clamping plates 901 are connected to the clamping plates 901 on both sides through the hinged support rods 905. When the front and rear clamping plates 901 move, they pull the clamping plates 901 on both sides to move through the support rods 905. That is, when the front and rear clamping plates 901 move away from each other, the left and right clamping plates 901 move closer to each other until the left and right clamping plates 901 contact and squeeze the two sides of the PCB board, thereby pushing the PCB board to the middle of the workbench 5 to achieve the purpose of preliminary calibration of the PCB board; Secondly, the turning handle 904 is rotated in the reverse direction and drives the bidirectional lead screw 903 to reverse, causing the two nuts 902 to drive the front and rear clamping plates 901 to move closer to each other. At the same time, the front and rear clamping plates 901 drive the left and right clamping plates 901 to move away from each other through the support rods 905. At this time, the left and right clamping plates 901 move away from the PCB board, and the front and rear clamping plates 901 push the PCB board to move when contacting the front and rear sides of the PCB board, so that the PCB board is in the central position above the workbench 5. At this time, the front and rear clamping plates 901 clamp the PCB board to achieve the purpose of centering and positioning calibration of the PCB board; When transferring the workbench 5 with the PCB board to the inside of the frame 3, the motor 401 is controlled to reverse to drive the stud 402 to rotate. The nut 403 outside the stud 402 drives the workbench 5 to move into the frame 3 through the fixing block 404. When the workbench 5 moves below the machine head 11, the motor 401 stops working. At this time, the machine head 11, the cleaning component 22 and the laser cutting component 23 are controlled to work. A laser cutting program is made through the laser cutting component 23. Within a range of 0.1 mm on both the left and right sides along the outer contour line of the laser program of the laser generator 231, lines are used for filling, and the distance between the lines is 15 - 20 μm, so that there is a width limit of 0.1 mm on both sides of the laser emitted by the cutting head 232. When processing the PCB board with the router 14, the laser emitted by the cutting head 232 pre-ablates the PCB board, ablates the PI layer near the outer contour line of the PCB board, completely ablates the PI layer on the PCB board until the hard board layer material of the PCB board is exposed, and then the outer contour production is carried out normally. The PI in the area where the router 14 tool path is close to the outer contour line has been ablated and removed, so as to avoid the problem of burrs on the flexible board PI when routing the board; When ablating the PI layer on the PCB board, carbon powder will be generated at the ablation position. The connecting pipe 224 is connected to an external dust suction device, and the opening at the bottom of the dust suction hood 221 faces the router 14, so that the dust suction hood 221 can suck the generated carbon powder. Moreover, the dust suction hood 221, the cutting head 232 and the router 14 are on the same horizontal line. During the horizontal movement of the machine head 11, after the carbon powder is generated, the dust suction hood 221 will immediately extract it to prevent the carbon powder from spreading on the PCB board. And after ablation, the router 14 will move synchronously with the cutting head 232 and carry out the outer contour production of the PCB board, improving the processing efficiency of the PCB board. The dust generated by the router 14 during the processing of the PCB board is also extracted by the dust suction hood 221, thereby optimizing the processing environment and preventing dust particles from adhering to the PCB board and affecting subsequent use. The extracted dust particles are discharged from the external dust suction device through the air duct 222, the conduction pipe 223 and the connecting pipe 224; When adjusting the positions of the cleaning component 22 and the laser cutting component 23, push the handles 174 on both sides of the column 12, so that the handles 174 drive the pressing block 171 to slide in the groove 16 through the sliding rod 173. The pressing block 171 drives the inner limiting teeth 172 to disengage from the tooth grooves 19 in the slideway 18, thus releasing the locking state between the deflection component 15 and the column 12. By pushing the grip 154, drive the rotating ring 151 to slide in the slideway 18 outside the column 12. The rotating ring 151 with a T-shaped cross-section slides in the slideway 18, improving the stability of the rotation of the rotating ring 151 and preventing the rotating ring 151 from moving in the vertical direction. The rotating ring 151 synchronously adjusts the angles of the dust suction hood 221 and the laser generator 231 through the baffle 152 and the side plate 153 respectively. At the same time, the pointer 155 above the rotating ring 151 points to the angle scale ring 20, improving the accuracy of the angle adjustment of the dust suction hood 221 and the laser generator 231, and freely adjusting the angles of the dust suction hood 221 and the cutting head 232 according to the feed direction of the router bit 14, ensuring that the cutting head 232 performs pre-ablative processing, then using the router bit 14 to process the hard board layer material of the PCB board, and the dust suction hood 221 is always on the same horizontal line as the cutting head 232, thereby ensuring the dust suction effect and meeting the purpose of multi-directional processing of the PCB board; After completing the angle adjustment work of the dust suction hood 221 and the cutting head 232, release the handle 174, support the pressing block 171 by the elastic force of the spring 175, make the pressing block 171 approach the column 12 and drive the inner limiting teeth 172 to engage into the tooth grooves 19, so as to lock the position of the rotating ring 151 and prevent the free rotation of the rotating ring 151 from affecting the ablation work of the cutting head 232 and the dust suction work of the dust suction hood 221.

Claims

1. A routing machine with burr removal function for PCB board processing, including a machine base (1), characterized in that: A support platform (2) is fixed on the machine base (1), a machine frame (3) is fixedly installed on the support platform (2), a driving component (4) is fixedly installed inside the support platform (2), the top of the driving component (4) is fixedly connected to a workbench (5), the workbench (5) is lapped on the support platform (2), a guiding hole (24) is opened on the support platform (2), the top of the driving component (4) is slidably connected inside the guiding hole (24), four sliding holes (8) are opened on the workbench (5), a calibration and positioning component (9) is slidably connected inside the four sliding holes (8), the calibration and positioning component (9) is fixedly installed inside the workbench (5), a machine head (11) is installed at the top inside the machine frame (3), a column (12) is fixed to the bottom of the machine head (11), a tool holder (13) is installed at the bottom of the column (12), a milling cutter (14) is clamped inside the tool holder (13), a slideway (18) is opened outside the column (12), a plurality of tooth grooves (19) are opened inside the slideway (18), a deflection component (15) is slidably connected inside the slideway (18), grooves (16) are respectively opened on both sides inside the deflection component (15), a locking component (17) is slidably connected inside the grooves (16), the locking component (17) is clamped inside the tooth grooves (19), and a cleaning component (22) and a laser cutting component (23) are respectively fixedly installed on both sides of the deflection component (15).

2. The routing machine with burr removal function for PCB board processing according to claim 1, wherein: Sliding seats (6) are respectively fixed on both sides of the bottom of the workbench (5), a sliding groove (7) is opened on the support platform (2) at a position corresponding to the sliding seats (6), the cross-sectional shapes of the sliding groove (7) and the sliding seats (6) are respectively T-shaped, and traveling wheels (10) are respectively fixed at the four corners of the bottom of the machine base (1).

3. The routing machine with burr removal function for PCB board processing according to claim 1, wherein: The driving component (4) includes a motor (401), the motor (401) is fixed in front of the support platform (2), the output shaft of the motor (401) is fixedly connected to a stud (402), both ends of the stud (402) are respectively installed inside the support platform (2) through bushings, a nut (403) is threadedly connected to the outer wall of the stud (402) on the side away from the motor (401), a fixed block (404) is fixed on the nut (403), the fixed block (404) is fixed to the bottom of the workbench (5), and the fixed block (404) is slidably connected inside the guiding hole (24).

4. A routing machine with burr removal function for PCB board processing according to claim 1, characterized in that: The calibration and positioning component (9) includes four clamping plates (901), nuts (902) are clamped in the middle of the front and rear clamping plates (901), a bidirectional lead screw (903) is threadedly connected inside the two nuts (902), both ends of the bidirectional lead screw (903) are movably installed inside the workbench (5) through bushings, the clamping plates (901) are slidably connected through the sliding holes (8), a turning handle (904) is fixedly connected to the front end of the bidirectional lead screw (903), and support rods (905) are respectively hinged between adjacent two clamping plates (901) through pin shafts.

5. A routing machine with burr removal function for PCB board processing according to claim 1, characterized in that: The deflection assembly (15) includes a swivel ring (151). The cross-sectional shape of the swivel ring (151) is T-shaped and it is slidably connected within a slideway (18). Baffles (152) and side plates (153) are respectively and fixedly connected to two sides of the swivel ring (151). A handle (154) is fixed to the tops of the baffle (152) and the side plate (153). A pointer (155) is fixedly connected to the top of the swivel ring (151), and an angle scale ring (20) is provided on one side of the pointer (155). The angle scale ring (20) is fixed outside the column (12).

6. A routing machine with burr removal function for PCB board processing according to claim 1, characterized in that: The locking assembly (17) includes a pressing block (171). The pressing block (171) is slidably connected within a groove (16). A number of limiting teeth (172) are fixed to the side of the pressing block (171) close to the column (12). The limiting teeth (172) are engaged within a tooth groove (19). A slide rod (173) is fixedly connected to the outside of the pressing block (171). One end of the slide rod (173) penetrates through the groove (16) and a pull handle (174) is fixed thereto. A spring (175) is sleeved outside the slide rod (173), and both ends of the spring (175) are fixed between the pressing block (171) and the inner wall of the groove (16).

7. A routing machine with burr removal function for PCB board processing according to claim 5, characterized in that: The cleaning assembly (22) includes a dust suction hood (221). The opening at the bottom of the dust suction hood (221) faces the screwdriver (14). An air duct (222) is communicated to the outside of the dust suction hood (221). A conduction pipe (223) is connected to the end of the air duct (222). A limiting groove (21) is provided outside the column (12). The conduction pipe (223) is of a circular design and slides within the limiting groove (21). A connecting pipe (224) is communicated to the side of the conduction pipe (223) away from the air duct (222).

8. A routing machine with burr removal function for PCB board processing according to claim 7, characterized in that: The laser cutting assembly (23) includes a laser generator (231). A cutting head (232) is installed at the bottom end of the laser generator (231). A connecting block (233) is fixed to the outside of the laser generator (231). The connecting block (233) is fixedly connected to the inside of the side plate (153). A connecting wire (234) is installed at the top of the laser generator (231). The connecting wire (234) and the connecting pipe (224) are penetrated and clamped within the side plate (153). The dust suction hood (221), the cutting head (232) and the screwdriver (14) are on the same horizontal line.

9. A method of using a routing machine with a burr removal function for PCB board processing, according to any one of claims 1-8, a routing machine with a burr removal function for PCB board processing, characterized in that, The usage method includes the following steps: When processing the PCB board, the driving motor (401) is operated to drive the stud (402) to rotate. During the rotation of the stud (402), the external nut (403) drives the workbench (5) to move forward on the support table (2) through the fixed block (404). When the workbench (5) moves out of the frame (3), it drives the two sliding seats (6) to slide in the sliding groove (7). The T-shaped sliding groove (7) supports and limits the sliding seat (6) to prevent the workbench (5) from shifting during movement and improve the stability of the workbench (5) movement. When the workbench (5) is completely moved out of the frame (3), the motor (401) stops working, and the PCB board to be processed is placed on the workbench (5) so that the PCB board is located between the four clamping plates (901). When initially centering and calibrating the PCB board, the turning handle (904) is rotated to drive the bidirectional lead screw (903) to rotate, causing the two nuts (902) outside the bidirectional lead screw (903) to move. The two nuts (403) drive the front and rear clamping plates (901) to move away from each other respectively. The front and rear clamping plates (901) are connected to the left and right clamping plates (901) through the hinged support rods (905). When the front and rear clamping plates (901) move, they pull the left and right clamping plates (901) to move through the support rods (905). That is, when the front and rear clamping plates (901) move away from each other, the left and right clamping plates (901) move closer to each other until the left and right clamping plates (901) contact and squeeze the two sides of the PCB board, thereby pushing the PCB board to the middle of the workbench (5) to achieve the purpose of preliminary calibration of the PCB board. Secondly, the turning handle (904) is rotated in the reverse direction to drive the bidirectional lead screw (903) to reverse, causing the two nuts (902) to drive the front and rear clamping plates (901) to move closer to each other respectively. At the same time, the front and rear clamping plates (901) drive the left and right clamping plates (901) to move away from each other through the support rods (905). At this time, the left and right clamping plates (901) move away from the PCB board, and when the front and rear clamping plates (901) contact the front and rear sides of the PCB board, they push the PCB board to move, making the PCB board in the central position above the workbench (5). At this time, the front and rear clamping plates (901) clamp the PCB board to achieve the purpose of centering and calibrating and positioning the PCB board. When transferring the workbench (5) with the PCB board to the inside of the frame (3), the motor (401) is controlled to reverse, driving the stud (402) to rotate. The nut (403) outside the stud (402) drives the workbench (5) to move into the frame (3) through the fixed block (404). When the workbench (5) moves below the machine head (11), the motor (401) stops working. At this time, the machine head (11), the cleaning component (22), and the laser cutting component (23) are controlled to work. A laser cutting program is made through the laser cutting component (23). In the laser program of the laser generator (231), within a range of 0.1 mm on each side along the outer contour line, lines are used for filling, and the spacing between the lines is 15 - 20 μm, so that there is a width limit of 0.1 mm on each side of the laser emitted by the cutting head (232). When processing the PCB board with the router (14), the laser emitted by the cutting head (232) pre-ablates the PCB board, ablating the PI layer near the outer contour line of the PCB board, completely ablating the PI layer on the PCB board until the hard board layer material of the PCB board is exposed, and then normal outer contour production is carried out. The PI in the area where the router (14) feeds near the outer contour line has been ablated and removed, so that the problem of burrs on the flexible board PI during routing can be avoided; When ablating the PI layer on the PCB board, carbon powder will be generated at the ablation position. The connecting pipe (224) is connected to an external dust suction device, and the opening at the bottom of the dust suction hood (221) faces the router (14), so that the dust suction hood (221) can suck the generated carbon powder. Moreover, the dust suction hood (221), the cutting head (232), and the router (14) are on the same horizontal line. During the horizontal movement of the machine head (11), after the carbon powder is generated, the dust suction hood (221) will immediately extract it to prevent the carbon powder from spreading on the PCB board. And after ablation, the router (14) will move synchronously with the cutting head (232) and carry out outer contour production on the PCB board, improving the processing efficiency of the PCB board. The dust generated by the router (14) during the processing of the PCB board is also extracted by the dust suction hood (221), thereby optimizing the processing environment and preventing dust particles from adhering to the PCB board and affecting subsequent use. The extracted dust particles are discharged from the external dust suction device through the air duct (222), the conduction pipe (223), and the connecting pipe (224); When adjusting the positions of the cleaning component (22) and the laser cutting component (23), push the handles (174) on both sides of the column (12), so that the handles (174) drive the pressing block (171) to slide in the groove (16) through the slide rod (173). The pressing block (171) drives the inner limiting teeth (172) to disengage from the tooth grooves (19) in the slideway (18), so as to release the locking state between the deflection component (15) and the column (12). By pushing the handle grip (154), drive the swivel ring (151) to slide in the slideway (18) outside the column (12). The swivel ring (151) with a T-shaped cross-section slides in the slideway (18), improving the stability of the rotation of the swivel ring (151), so that the swivel ring (151) will not move in the vertical direction. The swivel ring (151) synchronously adjusts the angles of the dust suction hood (221) and the laser generator (231) through the baffle (152) and the side plate (153) respectively. At the same time, the pointer (155) above the swivel ring (151) points to the angle scale ring (20), improving the accuracy of the angle adjustment of the dust suction hood (221) and the laser generator (231), so as to freely adjust the angles of the dust suction hood (221) and the cutting head (232) according to the feed direction of the router bit (14), ensuring that the cutting head (232) performs pre-ablative processing, then using the router bit (14) to process the hard board layer material of the PCB board, and the dust suction hood (221) is always on the same horizontal line as the cutting head (232), thereby ensuring the dust suction effect and meeting the purpose of multi-directional processing of the PCB board; After completing the angle adjustment work of the dust suction hood (221) and the cutting head (232), release the handle (174), support the pressing block (171) by the elastic force of the spring (175), so that the pressing block (171) approaches the column (12) and drives the inner limiting teeth (172) to snap into the tooth grooves (19), achieving the purpose of locking the position of the swivel ring (151) and preventing the swivel ring (151) from rotating freely and affecting the ablative work of the cutting head (232) and the dust suction work of the dust suction hood (221).

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