Intelligent four-side edging and chamfering integrated production line for PCB

Abstract

The application discloses a kind of intelligent four-edge grinding and rounding integrated production line of PCB board, including suction plate feeding mechanism, first edge grinding device, first rotating platform, second edge grinding device, first rounding device, second rotating platform, second rounding device and suction plate discharging mechanism, first edge grinding device and second edge grinding device can be respectively to the edge grinding treatment of two sides of PCB board, two groups of first rounding device and second rounding device can be respectively to the rounding treatment of two corners of PCB board, and through first rotating platform and second rotating platform, the automatic switching of PCB board processing direction is realized, and its feeding and discharging process can also be automatically operated by suction plate feeding mechanism or suction plate discharging mechanism.The application can automatically realize the operation of four-side edge grinding and four-corner rounding of PCB board, and the whole production process is automatically carried out, which greatly improves the processing efficiency of PCB board, reduces labor cost and improves economic benefit.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of PCB edge grinding device, especially to a kind of intelligent four-edge grinding and rounding integrated production line of PCB. BACKGROUND

[0002] PCB is composed of insulating base plate, connecting wire and solder pad of assembled electronic component, with the dual role of conductive circuit and insulating base plate, it can replace complex wiring, realize the electrical connection between each component in circuit, not only simplify the assembly, soldering work of electronic product, reduce the wiring workload under traditional mode, greatly reduce the labor intensity of workers;And reduce the volume of the whole machine, reduce product cost, improve the quality and reliability of electronic equipment, printed circuit board has good product consistency, it can adopt standardization design, be conducive to realizing mechanization and automation in production process.

[0003] And in the processing of PCB, there is a process to cut the whole PCB, and there are many burrs on the cutting edge of the cut PCB, which will affect the subsequent processing if not removed, the most affected is that workers are easy to be pricked by burrs when carrying, so it is necessary to remove the burrs and round the corners of the cutting edge of the PCB after cutting.

[0004] The edge grinding and chamfering work of the PCB in the prior art is usually completed by two devices, and the workers need to manually carry the PCB to the edge grinding device for edge grinding after cutting, which is easy to cause hand injury, and the existing PCB edge grinding device cannot realize fully automated production, so the workers need to manually rotate the direction of the PCB to process the other side after one side is completed, the processing process is very complicated, and the workers need to manually put the PCB into the rounding device for rounding after edge grinding, which is time-consuming and laborious, so that the production efficiency of the enterprise is greatly reduced.

[0005] Therefore, the prior art has defects and needs to be improved. SUMMARY

[0006] The technical problem to be solved by the present application is to provide an intelligent four-edge grinding and rounding integrated production line of PCB, which greatly improves the processing efficiency of PCB edge grinding and rounding and saves labor cost. The technical scheme of the present application is as follows: an intelligent four-edge grinding and rounding integrated production line of PCB, comprising a plate suction loading mechanism, a first edge grinding device, a first rotating platform, a second edge grinding device, two groups of first rounding devices, a second rotating platform, two groups of second rounding devices and a plate suction unloading mechanism arranged from left to right.

[0007] The suction plate feeding mechanism can adsorb the PCB board to the first edge grinding device, the first edge grinding device can grind the left and right side walls of the PCB board, then the first rotating platform rotates to vertically rotate the PCB board, and then the second edge grinding device can grind the front and back side walls of the PCB board;

[0008] After the four edges are ground, two groups of the first chamfering devices chamfer the two corners of one side wall of the PCB board respectively, then the second rotating platform rotates the PCB board by 180°, so that two groups of the second chamfering devices chamfer the two corners of the other side wall of the PCB board respectively, and finally the suction plate discharging mechanism adsorbs and discharges the PCB board after edge grinding and chamfering to stack and collect;

[0009] The first edge grinding device includes a left edge grinding segment and a right edge grinding segment, the left edge grinding segment and the right edge grinding segment are structurally identical, and each includes an edge grinding rack, an edge grinding conveying roller frame, an edge grinding pushing mechanism, a first pressing mechanism and a moving edge grinding mechanism, the edge grinding conveying roller frame is arranged in the middle of the edge grinding rack, the edge grinding pushing mechanism can push the PCB board on the edge grinding conveying roller frame to the side end of the first pressing mechanism, then the first pressing mechanism limits and presses the side wall of the PCB board, and finally the moving edge grinding mechanism moves along the side wall of the PCB board to grind the PCB board.

[0010] The moving edge grinding mechanism includes a horizontal moving assembly and a rotating edge grinding assembly, the horizontal moving assembly is connected with the rotating edge grinding assembly to drive the horizontal moving assembly to horizontally grind the PCB board.

[0011] The horizontal moving assembly includes a first motor, a traveling gear, a rack, a first sliding rail, a first sliding block and a moving plate, the upper and lower ends of the rack are respectively provided with the first sliding rails, the first sliding rails are connected with the moving plate through the first sliding blocks, the first motor is arranged on the moving plate, the output shaft of the first motor is connected with the traveling gear, and the traveling gear is connected with the rack through the meshing connection, so that when the first motor rotates, the moving plate can move horizontally along the rack through the traveling gear.

[0012] The rotating edge grinding assembly includes a second motor, a belt wheel transmission member, a rotating shaft and an edge grinding knife, the rotating shaft and the second motor are arranged on the moving plate, the output shaft of the second motor is connected with the rotating shaft through the belt wheel transmission member, the rotating shaft is provided with the edge grinding knife, and the edge grinding knife is located at the outer end of the first pressing mechanism.

[0013] With the above technical solutions, the first pressing and blocking mechanism comprises a mounting plate, a plurality of first jacking cylinders, a blocking plate, a plurality of downward pressing cylinders and a downward pressing plate, the back of the mounting plate is provided with a plurality of first jacking cylinders and downward pressing cylinders from left to right at intervals, the movable ends of the first jacking cylinders are connected with the blocking plate respectively, the movable ends of the downward pressing cylinders are connected with the downward pressing plate respectively, the first jacking cylinders can drive the blocking plate to move up and down to realize blocking and limiting of the side wall of the PCB, when the moving edge grinding mechanism grinds the side wall of the PCB, the downward pressing cylinders drive the downward pressing plate to abut against the PCB to prevent displacement of the PCB.

[0014] With the above technical solutions, the edge grinding conveying roller frame comprises a plurality of columns of first rollers arranged transversely at intervals, and a first gap is arranged between two adjacent columns of the first rollers.

[0015] With the above technical solutions, the edge grinding pushing mechanism comprises a first longitudinal moving assembly and a first pushing blocking plate, the first longitudinal moving assembly is connected with the first pushing blocking plate, a plurality of first pushing rods are arranged on the first pushing blocking plate, the first pushing rods are located in the first gap, and the first longitudinal moving assembly can drive the first pushing rods to move longitudinally to push the PCB abutting against the first pushing rods into the first pressing and blocking mechanism.

[0016] With the above technical solutions, the first rotating platform and the second rotating platform are the same in structure and each comprises a platform conveying roller frame, a rotating motor, a rotating support plate and two groups of side pushing assemblies, the rotating motor is arranged at the bottom of the platform conveying roller frame, the rotating support plate is located above the platform conveying roller frame, the output shaft of the rotating motor is connected with the rotating support plate, and the two groups of side pushing assemblies are arranged on the left side and the right side of the rotating support plate respectively to push the PCB to the middle part of the rotating support plate.

[0017] A plurality of columns of longitudinal roller frames are arranged on the platform conveying roller frame, a second gap is arranged between two adjacent columns of the longitudinal roller frames, a plurality of sliding rollers are arranged on the longitudinal roller frames, and a plurality of groove holes for avoiding the sliding rollers are arranged on the rotating support plate.

[0018] The side pushing assembly comprises a side pushing assembly and a second pushing baffle, the side pushing assembly is connected with the second pushing baffle, a plurality of second pushing rods are arranged on the second pushing baffle, the second pushing rods are located in the second gap, the side pushing assembly can drive the second pushing rods to move longitudinally, so as to push the PCB board abutting against the second pushing rods to the rotating support plate, and then the rotating motor can drive the rotating support plate to rotate vertically, so as to change the processing direction of the PCB board.

[0019] With the above technical solutions, the first and second corner rounding devices have the same structure, and each comprises a corner rounding conveying roller frame, a corner rounding pushing mechanism, a second pressing mechanism and a corner rounding mechanism, the side end of the corner rounding conveying roller frame is provided with the second pressing mechanism, the corner rounding pushing mechanism is arranged below the corner rounding conveying roller frame to move the PCB board to the second pressing mechanism on the side, the side end edge of the second pressing mechanism is provided with the corner rounding mechanism, and the corner rounding mechanism can round the corners of the PCB board.

[0020] With the above technical solutions, the corner rounding mechanism comprises a push-pull cylinder, a slide rail rack, a rotary gear, a fixed seat, a third motor and a corner rounding tool head, the movable end of the push-pull cylinder is connected with the slide rail rack, the slide rail rack is connected with the rotary gear through meshing, the fixed seat is arranged on the rotary gear, the third motor is arranged on the fixed seat, and the output shaft of the third motor is connected with the corner rounding tool head.

[0021] With the above technical solutions, the corner rounding mechanism comprises a push-pull cylinder, a slide rail rack, a rotary gear, a fixed seat, a third motor and a corner rounding tool head, the movable end of the push-pull cylinder is connected with the slide rail rack, the slide rail rack is connected with the rotary gear through meshing, the fixed seat is arranged on the rotary gear, the third motor is arranged on the fixed seat, and the output shaft of the third motor is connected with the corner rounding tool head.

[0022] With the above technical solutions, the corner rounding mechanism comprises a push-pull cylinder, a slide rail rack, a rotary gear, a fixed seat, a third motor and a corner rounding tool head, the movable end of the push-pull cylinder is connected with the slide rail rack, the slide rail rack is connected with the rotary gear through meshing, the fixed seat is arranged on the rotary gear, the third motor is arranged on the fixed seat, and the output shaft of the third motor is connected with the corner rounding tool head.

[0023] Compared with the prior art, the suction plate feeding mechanism of the application can adsorb the PCB to be processed to the first edge grinding device, the first edge grinding device can grind the left and right side walls of the PCB, then the first rotating platform rotates to vertically rotate the PCB, then the second edge grinding device can grind the front and back side walls of the PCB, after the four sides are ground, the two groups of first chamfering devices chamfer the two corners of one side wall of the PCB respectively, then the second rotating platform rotates the PCB by 180° to make the two groups of second chamfering devices chamfer the two corners of the other side wall of the PCB respectively, finally the suction plate discharging mechanism adsorbs and discharges the PCB after edge grinding and chamfering to stack and collect; the whole edge grinding and chamfering process is automatic, the operation of grinding the four side edges of the PCB and chamfering the four corners can be realized without manual intervention, which greatly improves the production efficiency of the PCB, reduces the labor cost of enterprises and improves the economic benefit. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is a schematic diagram of the overall structure of the application;

[0025] Figure 2 It is a schematic diagram of the left edge grinding section structure of the first edge grinding device of the application;

[0026] Figure 3 It is a schematic diagram of the bottom structure of the left edge grinding section of the application;

[0027] Figure 4 It is a schematic diagram of the moving edge grinding mechanism structure of the application;

[0028] Figure 5 It is a schematic diagram of the first pressing mechanism structure of the application;

[0029] Figure 6 It is a schematic diagram of the edge grinding pushing mechanism structure of the application;

[0030] Figure 7 It is a schematic diagram of the first rotating platform structure of the application;

[0031] Figure 8 It is a schematic diagram of the bottom structure of the first rotating platform of the application;

[0032] Figure 9 It is a schematic diagram of the platform conveying roller frame structure of the application;

[0033] Figure 10 It is a schematic diagram of the rotating support plate structure of the application;

[0034] Figure 11 It is a schematic diagram of the side pushing assembly structure of the application;

[0035] Figure 12 It is a first chamfering device structure schematic diagram of the present application;

[0036] Figure 13 It is a chamfering mechanism structure schematic diagram of the present application;

[0037] Figure 14 It is a suction plate feeding mechanism structure schematic diagram of the present application. DETAILED DESCRIPTION

[0038] In order to make the purpose, technical scheme and advantages of the embodiments of the present patent application clearer, the technical scheme of the embodiments of the present patent application will be described clearly and completely below in combination with the drawings in the embodiments of the present patent application. Obviously, the described embodiments are part of the embodiments of the present patent application, rather than all the embodiments. Based on the embodiments in the present patent application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present patent application. Therefore, the following detailed description of the embodiments of the present patent application provided in the drawings is not intended to limit the scope of the claimed present patent application, but only represents selected embodiments of the present patent application. Based on the embodiments in the present patent application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present patent application.

[0039] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "inside" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", "third" are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0040] As Figures 1 to 14 shown, an intelligent four-side edging and chamfering integrated production line for PCBs, comprising, from left to right, a suction plate feeding mechanism 1, a first edging device 2, a first rotating platform 3, a second edging device 4, two groups of first chamfering devices 5, a second rotating platform 6, two groups of second chamfering devices 7, and a suction plate unloading mechanism 8;

[0041] As Figure 1As shown, the suction plate feeding mechanism 1 can adsorb the PCB board to the first edge grinding device 2, the first edge grinding device 2 can grind the left and right side walls of the PCB board, then the first rotating platform 3 rotates to vertically rotate the PCB board, then the second edge grinding device 4 can grind the front and back side walls of the PCB board;

[0042] After the four sides are ground, two groups of the first chamfering device 5 chamfer the two corners of one side wall of the PCB board respectively, then the second rotating platform 6 rotates the PCB board by 180°, so that two groups of the second chamfering device 7 chamfer the two corners of the other side wall of the PCB board respectively, finally the suction plate discharging mechanism 8 adsorbs and discharges the PCB board which has completed the grinding and chamfering to stack and collect. The first edge grinding device 2 and the second edge grinding device 4 can grind the two side edges of the PCB board respectively, the first chamfering device 5 and the second chamfering device 7 can chamfer the two corners of the PCB board respectively, and the first rotating platform 3 and the second rotating platform 6 realize the automatic switching of the processing direction of the PCB board, and the feeding and discharging process can also be automatically operated by the suction plate feeding mechanism 1 or the suction plate discharging mechanism 8, the whole production process is automatic, which greatly improves the processing efficiency of the PCB board, reduces the labor cost and improves the economic benefit.

[0043] As shown in Figure 2 and Figure 3 The first edge grinding device 2 includes a left edge grinding section and a right edge grinding section, the left edge grinding section and the right edge grinding section are the same structure, both including an edge grinding frame 21, an edge grinding conveying roller frame 22, an edge grinding pushing mechanism 24, a first pressing mechanism 25 and a moving edge grinding mechanism 23, the edge grinding conveying roller frame 22 is arranged in the middle of the edge grinding frame 21, the edge grinding pushing mechanism 24 can push the PCB board on the edge grinding conveying roller frame 22 to the side end of the first pressing mechanism 25, then the first pressing mechanism 25 limits and presses the side wall of the PCB board, finally the moving edge grinding mechanism 23 moves along the side wall of the PCB board to grind the PCB board. The left edge grinding section of the first edge grinding device 2 can grind the left side wall of the PCB board, and the right edge grinding section can grind the right side wall of the PCB board, that is, the first edge grinding device 2 can grind the two side walls of the PCB board. Specifically, when the PCB board is conveyed to the edge grinding conveying roller frame 22, the edge grinding pushing mechanism 24 moves the PCB board to the first pressing mechanism 25, the first pressing mechanism 25 not only limits the side wall of the PCB board to adjust the grinding length of the PCB board, but also presses the PCB board to prevent it from deviating during grinding, thereby affecting the grinding accuracy of the PCB board, when the PCB board is pressed by the first pressing mechanism 25, the moving edge grinding mechanism 23 can grind the side edge of the PCB board to remove the burrs on the edge of the PCB board.

[0044] As shown in Figure 4 Further, the mobile edging mechanism 23 comprises a lateral moving assembly 231 and a rotary edging assembly 232, the lateral moving assembly 231 is connected with the rotary edging assembly 232 to drive the lateral edging process of the rotary edging assembly 232;

[0045] The lateral moving assembly 231 comprises a first motor 2311, a traveling gear 2312, a rack 2313, a first sliding rail 2314, a first sliding block 2315 and a moving plate 2316, the first sliding rail 2314 is arranged on the upper and lower ends of the rack 2313 respectively, the first sliding rail 2314 is connected with the moving plate 2316 through the first sliding block 2315, the first motor 2311 is arranged on the moving plate 2316, the output shaft of the first motor 2311 is connected with the traveling gear 2312, the traveling gear 2312 is connected with the tooth groove on the rack 2313 through meshing, when the first motor 2311 rotates, the moving plate 2316 can be driven to move laterally along the rack 2313 through the traveling gear 2312.

[0046] The rotary edging assembly 232 comprises a second motor 2321, a belt wheel transmission member 2322, a rotary shaft 2323 and an edging knife 2324, the rotary shaft 2323 and the second motor 2321 are arranged on the moving plate 2316 respectively, the output shaft of the second motor 2321 is connected with the rotary shaft 2323 through the belt wheel transmission member 2322, the edging knife 2324 is arranged on the rotary shaft 2323, and the edging knife 2324 is located at the outer side end of the first pressing mechanism 25. The rotary edging assembly 232 can perform the grinding process on the side edge of the PCB, specifically, the second motor 2321 can drive the rotary shaft 2323 to rotate at high speed through the belt wheel transmission member 2322, so as to drive the edging knife 2324 to rotate and remove the burrs of the side edge of the PCB.

[0047] As shown in Figure 5As shown, further, the first pressing mechanism 25 comprises a mounting plate, a plurality of first lifting cylinders 251, a blocking plate 252, a plurality of pressing cylinders 253 and a pressing plate 254, the back of the mounting plate is provided with a plurality of first lifting cylinders 251 and pressing cylinders 253 from left to right, the movable ends of the first lifting cylinders 251 are connected with the blocking plate 252 respectively, the movable ends of the pressing cylinders 253 are connected with the pressing plate 254 respectively, the first lifting cylinders 251 can drive the blocking plate 252 to move up and down to realize the blocking and limiting of the side wall of the PCB, when the moving edge grinding mechanism 23 grinds the side wall of the PCB, the pressing cylinders 253 drive the pressing plate 254 to abut on the PCB to prevent it from being displaced. When the PCB is pushed by the edge grinding pushing mechanism 24, the first lifting cylinders 251 can drive the blocking plate 252 to descend to limit and abut on the side wall of the PCB, and then the pressing cylinders 253 can drive the pressing plate 254 to press on the top of the PCB to improve the processing stability and precision of the PCB. When the moving edge grinding mechanism 23 operates, the first lifting cylinders 251 drive the blocking plate 252 to rise to prevent the blocking plate 252 from contacting the edge grinding knife 2324 to affect the edge grinding operation of the PCB.

[0048] As shown in Figure 3 , further, the edge grinding conveying roller frame 22 comprises a plurality of first rollers 221 arranged transversely, and a first gap is arranged between two adjacent first rollers 221.

[0049] As shown in Figure 6 , further, the edge grinding pushing mechanism 24 comprises a first longitudinal moving assembly 241 and a first pushing plate 242, the first longitudinal moving assembly 241 is connected with the first pushing plate 242, a plurality of first pushing rods 243 are arranged on the first pushing plate 242, the first pushing rods 243 are located in the first gap, and the first longitudinal moving assembly 241 can drive the first pushing rods 243 to move longitudinally to push the PCB abutting on the first pushing rods 243 into the first pressing mechanism 25.

[0050] As shown in Figure 7 and Figure 8As shown, further, the first rotating platform 3 and the second rotating platform 6 are structurally identical, each comprising a platform conveying roller frame 31, a rotating motor 32, a rotating support plate 33, and two sets of side pushing assembly 34. The rotating motor 32 is arranged at the bottom of the platform conveying roller frame 31, the rotating support plate 33 is located above the platform conveying roller frame 31, the output shaft of the rotating motor 32 is connected with the rotating support plate 33, and the two sets of side pushing assembly 34 are respectively arranged at the left and right sides of the rotating support plate 33 to push the PCB board to the middle part of the rotating support plate 33. When the PCB board is pushed onto the rotating support plate 33, the rotating motor 32 can drive the rotating support plate 33 to rotate by an angle of 90° to change the direction of the PCB board for processing.

[0051] As shown in Figure 9 and Figure 10 As shown, the platform conveying roller frame 31 is provided with a plurality of longitudinal roller frames 311, and a second gap is arranged between the adjacent two longitudinal roller frames 311. The longitudinal roller frame 311 is provided with a plurality of sliding rollers 312, and the rotating support plate 33 is provided with a plurality of groove holes 330 for avoiding the sliding rollers 312.

[0052] As shown in Figure 11 As shown, the side pushing assembly 34 comprises a lateral pushing assembly 341 and a second pushing baffle 342, the lateral pushing assembly 341 is connected with the second pushing baffle 342, the second pushing baffle 342 is provided with a plurality of second push rods 343, the second push rods 343 are located in the second gap, and the lateral pushing assembly 341 can drive the second push rod 343 to move longitudinally to push the PCB board abutting against the second push rod 343 onto the rotating support plate 33, and then the rotating motor 32 can drive the rotating support plate 33 to rotate by 90° to change the processing direction of the PCB board.

[0053] As shown in Figure 12As shown, further, the first rounding device 5 and the second rounding device 7 are identical in structure, and each includes a rounding conveying roller frame 51, a rounding pushing mechanism 52, a second pressing mechanism 53, and a rounding mechanism 54. The second pressing mechanism 53 is arranged at the side end of the rounding conveying roller frame 51. The rounding pushing mechanism 52 is arranged below the rounding conveying roller frame 51 to move the PCB board to the second pressing mechanism 53 at the side. The rounding mechanism 54 is arranged at the side end edge of the second pressing mechanism 53 and can round the corners of the PCB board. The rounding mechanism 54 is arranged at the left and right sides of the rounding conveying roller frame 51 and can round the corners of the PCB board. It should be noted that, during the processing, the second pressing mechanism 53 can limit and press the PCB board to prevent displacement during processing, thereby improving the processing precision of the PCB board. The structure and principle of the second pressing mechanism 53 are the same as those of the first pressing mechanism 25, and thus will not be described in detail here.

[0054] As shown in Figure 13 , further, the rounding mechanism 54 includes a push-pull cylinder 541, a slide rail rack 542, a rotary gear 543, a fixed seat 544, a third motor 545, and a rounding cutter head 546. The movable end of the push-pull cylinder 541 is connected with the slide rail rack 542. The slide rail rack 542 is connected with the rotary gear 543 through meshing. The fixed seat 544 is arranged on the rotary gear 543. The third motor 545 is arranged on the fixed seat 544. The output shaft of the third motor 545 is connected with the rounding cutter head 546. The third motor 545 can drive the rounding cutter head 546 to rotate at high speed to round the corners of the PCB board. During the rounding process, the push-pull cylinder 541 can drive the slide rail rack 542 to move in and out to drive the fixed seat 544 on the rotary gear 543 to rotate.

[0055] Further, the rounding conveying roller frame 51 and the edge grinding conveying roller frame 22 are identical in structure. The rounding pushing mechanism 52 and the edge grinding pushing mechanism 24 are identical in structure.

[0056] As shown in Figure 14 , further, the suction plate feeding mechanism 1 and the suction plate discharging mechanism 8 are identical in structure and each includes a roller conveying table 11, a lifting table 12, a suction manipulator 13, and a lifting baffle assembly 14. The lifting table 12 is provided with a PCB board. The roller conveying table 11 is arranged at the side end of the lifting table 12. The suction manipulator 13 is arranged between the lifting table 12 and the roller conveying table 11. The roller conveying table 11 is provided with the lifting baffle assembly 14 at the front and rear sides to prevent the PCB board from shifting. The suction plate feeding mechanism 1 and the suction plate discharging mechanism 8 can automatically feed and discharge the PCB board, avoiding the tedious manual handling.

[0057] Compared with the prior art, the suction plate feeding mechanism of the present application can adsorb the PCB to be processed to the first edge grinding device, the first edge grinding device can grind the left and right side walls of the PCB, then the first rotating platform rotates to vertically rotate the PCB, then the second edge grinding device can grind the front and back side walls of the PCB, after the four sides are ground, the two groups of first chamfering devices chamfer the two corners of one side wall of the PCB respectively, then the second rotating platform rotates the PCB by 180° to make the two groups of second chamfering devices chamfer the two corners of the other side wall of the PCB respectively, and finally the suction plate discharging mechanism adsorbs and discharges the PCB after edge grinding and chamfering to stack and collect; the whole edge grinding and chamfering process is automated, and the operation of edge grinding of four side edges of the PCB and chamfering of four corners can be realized without manual intervention, which greatly improves the production efficiency of the PCB, reduces the labor cost of the enterprise, and improves the economic benefit.

[0058] The above is only a preferred embodiment of the present application and is not intended to limit the present application. Any modification, equivalent replacement, improvement, etc. within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. An intelligent integrated production line for four-sided edge grinding and corner rounding of PCB boards, characterized in that: The suction plate feeding mechanism, the first edge grinding device, the first rotating platform, the second edge grinding device, the two groups of first rounding devices, the second rotating platform, the two groups of second rounding devices and the suction plate discharging mechanism are sequentially arranged from left to right. The suction plate feeding mechanism can adsorb the PCB board to the first edge grinding device, the first edge grinding device can grind the left and right side walls of the PCB board, then the first rotating platform rotates to vertically rotate the PCB board, and then the second edge grinding device can grind the front and back side walls of the PCB board. After the four sides are ground, the two groups of first rounding devices round the two corners of one side wall of the PCB board, then the second rotating platform rotates the PCB board by 180°, so that the two groups of second rounding devices round the two corners of the other side wall of the PCB board, and finally the suction plate discharging mechanism adsorbs and discharges the PCB board after grinding and rounding to stack and collect; The first edge grinding device includes a left edge grinding segment and a right edge grinding segment, the left edge grinding segment and the right edge grinding segment are the same in structure, and each includes an edge grinding rack, an edge grinding conveying roller frame, an edge grinding pushing mechanism, a first pressing mechanism and a moving edge grinding mechanism, the edge grinding conveying roller frame is arranged in the middle of the edge grinding rack, the edge grinding pushing mechanism pushes the PCB board on the edge grinding conveying roller frame to the side end of the first pressing mechanism, then the first pressing mechanism limits and presses the side wall of the PCB board, and finally the moving edge grinding mechanism moves along the side wall of the PCB board to grind the PCB board; The moving edge grinding mechanism includes a horizontal moving assembly and a rotating edge grinding assembly, the horizontal moving assembly is connected with the rotating edge grinding assembly to drive the horizontal edge grinding treatment; The horizontal moving assembly includes a first motor, a traveling gear, a rack, a first sliding rail, a first sliding block and a moving plate, the upper and lower ends of the rack are respectively provided with the first sliding rail, the first sliding rail is connected with the moving plate through the first sliding block, the first motor is arranged on the moving plate, the output shaft of the first motor is connected with the traveling gear, and the traveling gear is connected with the rack through the meshing connection, when the first motor rotates, the moving plate can move horizontally along the rack through the traveling gear; The rotating edge grinding assembly includes a second motor, a belt wheel transmission member, a rotating shaft and an edge grinding knife, the rotating shaft and the second motor are arranged on the moving plate, the output shaft of the second motor is connected with the rotating shaft through the belt wheel transmission member, the rotating shaft is provided with the edge grinding knife, and the edge grinding knife is located at the outer end of the first pressing mechanism. The first and second chamfering devices are structurally identical, and each includes a chamfering conveying roller frame, a chamfering pushing mechanism, a second pressing mechanism and a chamfering mechanism. The side end of the chamfering conveying roller frame is provided with the second pressing mechanism. The chamfering pushing mechanism is arranged below the chamfering conveying roller frame to move the PCB to the second pressing mechanism at the side. The side end edge of the second pressing mechanism is provided with the chamfering mechanism, which can chamfer the corners of the PCB. The chamfering mechanism includes a push-pull cylinder, a slide rail rack, a rotary gear, a fixed seat, a third motor and a chamfering cutter head. The movable end of the push-pull cylinder is connected with the slide rail rack. The slide rail rack is connected with the rotary gear through meshing. The fixed seat is arranged on the rotary gear. The third motor is arranged on the fixed seat. The output shaft of the third motor is connected with the chamfering cutter head. 2.The intelligent four-side edging and chamfering integrated production line of a PCB board according to claim 1, characterized in that: The first pressing mechanism includes a mounting plate, a plurality of first lifting cylinders, a blocking plate, a plurality of downward pressing cylinders and a downward pressing plate. The back of the mounting plate is provided with a plurality of first lifting cylinders and downward pressing cylinders from left to right. The movable end of each first lifting cylinder is connected with the blocking plate. The movable end of each downward pressing cylinder is connected with the downward pressing plate. The first lifting cylinder can drive the blocking plate to move up and down to limit the side wall of the PCB. When the edge grinding mechanism grinds the side wall of the PCB, the downward pressing cylinder drives the downward pressing plate to abut against the PCB to prevent displacement. 3.The intelligent four-side edging and chamfering integrated production line of a PCB board according to claim 2, characterized in that: The edge grinding conveying roller frame includes a plurality of first rollers arranged in a plurality of columns in the transverse direction. First gaps are arranged between adjacent two columns of the first rollers.

4. The intelligent four-side edging and chamfering integrated production line for PCB board according to claim 3, characterized in that: The edge grinding pushing mechanism includes a first longitudinal moving assembly and a first pushing baffle. The first pushing baffle is connected with the first longitudinal moving assembly. A plurality of first push rods are arranged on the first pushing baffle. The first push rods are located in the first gaps. The first longitudinal moving assembly can drive the first push rods to move longitudinally to push the PCB abutting against the first push rods into the first pressing mechanism. 5.The intelligent four-side edging and chamfering integrated production line of a PCB board according to claim 1, characterized in that: The first and second rotating platforms are structurally identical, and each includes a platform conveying roller frame, a rotating motor, a rotating support plate and two groups of side pushing assemblies. The rotating motor is arranged at the bottom of the platform conveying roller frame. The rotating support plate is located above the platform conveying roller frame. The output shaft of the rotating motor is connected with the rotating support plate. Two groups of the side pushing assemblies are arranged on the left and right sides of the rotating support plate respectively to push the PCB to the middle part of the rotating support plate. A plurality of longitudinal roller frames are arranged on the platform conveying roller frame. Second gaps are arranged between adjacent two columns of the longitudinal roller frames. A plurality of sliding rollers are arranged on the longitudinal roller frames. A plurality of groove holes for avoiding the sliding rollers are arranged on the rotating support plate. The side pushing assembly comprises a lateral pushing assembly and a second pushing baffle, the lateral pushing assembly is connected with the second pushing baffle, a plurality of second pushing rods are arranged on the second pushing baffle, the second pushing rods are located in the second gap, the lateral pushing assembly can drive the second pushing rods to move longitudinally, so as to push the PCB board abutting against the second pushing rods to the rotating support plate, then the rotating motor can drive the rotating support plate to rotate vertically, so as to change the processing direction of the PCB board. 6.The intelligent four-side edging and chamfering integrated production line of a PCB board according to claim 1, characterized in that: The round-corner conveying roller frame and the edging conveying roller frame have the same structure, and the round-corner pushing mechanism and the edging pushing mechanism have the same structure. 7.The intelligent four-side edging and chamfering integrated production line of a PCB board according to claim 1, characterized in that: The suction plate feeding mechanism and the suction plate discharging mechanism have the same structure, and both comprise a roller conveying table, a lifting table, a suction manipulator and a lifting baffle assembly, the lifting table is provided with a PCB board, the roller conveying table is arranged at the side end of the lifting table, the suction manipulator is arranged between the lifting table and the roller conveying table, and the lifting baffle assembly for preventing the PCB board from moving is arranged on the front side and the rear side of the roller conveying table.

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