A surface burr removing device suitable for automobile PCB processing

Abstract

The application relates to the technical field of PCB processing, in particular to a surface burr removing device suitable for automobile PCB processing, which comprises a processing cabinet, a feeding assembly, a feeding assembly, a positioning assembly and an enclosed frame; third linear sliding rails are fixedly arranged on the front and back sides of the inner wall of the isolation frame, the enclosed frame is slidably arranged between the opposite sides of the two third linear sliding rails, and a burr removing assembly for removing the surface burrs of the automobile PCB is movably arranged in the enclosed frame. Through multi-dimensional structural innovation and function cooperation, the processing quality and efficiency of the automobile PCB burr removing are remarkably improved; in the automatic feeding link, the linkage design of the feeding assembly and the feeding assembly realizes the accurate positioning and automatic transfer of the PCB to be processed, positioning deviation and pollution risks caused by manual operation are avoided, dust pretreatment of the movable blowing plate can effectively remove impurities on the surface of the plate, and burr residual hidden troubles caused by dust adhesion are reduced.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of PCB processing, in particular to a surface burr removing device suitable for automobile PCB processing. BACKGROUND

[0002] In the industrialized production of automobile PCBs, efficient removal of surface and hole wall burrs is a key link to ensure product quality. The current mainstream technology mainly uses single mechanical processing, such as traditional numerical control milling machines that mill through fixed tool paths, or assisted by manual wiping to clean small burrs. Although this method can meet some basic processing needs, it exposes significant process bottlenecks when faced with the increasingly complex structure of automobile PCBs, especially in terms of automation, processing precision and multi-scene adaptability.

[0003] For burrs with large hardness differences, existing equipment needs to frequently change tools or switch processes, such as replacing brushes to clean soft debris after milling hard burrs, which takes more than 5 minutes for a single switch, and there is a lack of coordination between different processes, which easily causes secondary damage to the board; at the same time, traditional vacuum suction devices only provide static clamping and cannot adapt to local warping caused by board thickness tolerance, which easily produces vibration and abnormal noise during processing; at the same time, debris cleaning relies on a post-processing ultrasonic cleaning process and cannot be synchronized with milling, which causes burr debris to repeatedly adhere to the PCB surface, affecting subsequent detection accuracy. SUMMARY

[0004] The application aims to provide a surface burr removing device suitable for automobile PCB processing to solve the above technical defects.

[0005] In order to achieve the above effects, the technical scheme adopted by the application is as follows: a surface burr removing device suitable for automobile PCB processing, comprising:

[0006] A processing cabinet, a feeding cabinet is arranged on the left side in the processing cabinet, an isolation frame is fixedly arranged on the top of the processing cabinet, a feeding turning door is rotatably arranged below the left side of the processing cabinet, and a feeding port is arranged on the side close to the feeding turning door of the feeding cabinet;

[0007] A feeding assembly, first linear sliding rails are fixedly arranged on the front and rear sides of the inner wall of the feeding cabinet, the feeding assembly is arranged between the opposite sides of the two first linear sliding rails, the feeding assembly comprises a feeding frame, and the front and rear sides of the feeding frame are slidably connected with the opposite sides of the two first linear sliding rails;

[0008] A feeding assembly, the top of the inner wall of the feeding cabinet is provided with a feeding assembly, and the upper side of the right side of the feeding cabinet is provided with a feeding port;

[0009] Positioning assembly, the right side of the top of the processing cabinet and inside the isolation frame is provided with a positioning assembly for the positioning of automobile PCB processing, the positioning assembly comprises a fixed plate and a workpiece positioning table, the right side of the top of the processing cabinet is fixedly provided with a fixed plate, and the upper side of the fixed plate is provided with a workpiece positioning table;

[0010] Enclosure, the front and rear sides of the inner wall of the isolation frame are fixedly provided with third linear sliding rails, and the enclosure is slidingly arranged between the opposite sides of the two third linear sliding rails, and the inside of the enclosure is movably provided with a burr removing assembly for removing the burrs on the surface of the automobile PCB.

[0011] Preferably, the top of the feeding frame is provided with a plurality of limiting grooves, the limiting grooves are arranged in the x-axis direction and four in number, and arranged in the z-axis direction and two in number, the inside of each of the plurality of limiting grooves is slidingly provided with a telescopic limiting block through an electric sliding block, and the top end of the telescopic limiting block is controlled to extend through an built-in electric push rod.

[0012] Preferably, two movable blowoff plates are rotatably arranged in the middle of the inside of the feeding cabinet, the two movable blowoff plates are respectively arranged on the left and right sides of the inner wall of the feeding cabinet, a plurality of air outlets are arranged on one side of each of the two movable blowoff plates, and an air blowing fan for blowing air into the inside of the two movable blowoff plates is fixedly arranged on the back of the processing cabinet.

[0013] Preferably, the feeding assembly comprises a second linear sliding rail and a first feeding frame, the top of the inner wall of the feeding cabinet is fixedly provided with a second linear sliding rail on the front and rear sides, the first feeding frame is slidingly arranged between the opposite sides of the two second linear sliding rails, the bottom of the first feeding frame is slidingly provided with a second feeding frame through a built-in electric sliding table, the inside of the second feeding frame is movably provided with a third feeding frame, a lifting servo cylinder is fixedly arranged around the bottom of the second feeding frame, and the drive shafts of the four lifting servo cylinders are respectively fixedly connected to the bottom of the third feeding frame.

[0014] Preferably, an industrial camera is fixedly arranged in the middle of the bottom of the third feeding frame, and a clamping lead screw is rotatably arranged in the inside of the third feeding frame, threads are arranged on both ends of the clamping lead screw, and clamping plates are threadedly connected to both ends of the clamping lead screw, the top of each of the two clamping plates is slidingly connected to the bottom of the third feeding frame, an adsorption block is slidingly arranged on the opposite side of each of the two clamping plates through a micro linear sliding table, and a plurality of rubber suction nozzles are arranged on the bottom of each of the two adsorption blocks.

[0015] Preferably, the top of the fixing plate is fixedly provided with a rubber vibration isolation pad, and the top of the rubber vibration isolation pad is fixedly connected with the bottom of the workpiece positioning table, the periphery of the top of the workpiece positioning table is slidably provided with movable vacuum suction discs through a servo linear sliding table, the bottom of each of the four movable vacuum suction discs is fixedly provided with a piezoelectric ceramic transducer, the middle of the top of the workpiece positioning table is fixedly provided with a fixed vacuum suction disc, the top of the fixed vacuum suction disc and the four movable vacuum suction discs is provided with a plurality of suction holes, and the inside of the plurality of suction holes is communicated with the output end of a negative pressure pump built-in the fixed vacuum suction disc and the movable vacuum suction disc.

[0016] Preferably, the burr removing assembly comprises a lifting frame, a mounting frame and a connecting frame, the inside of the closed frame is slidably provided with the lifting frame, and the top of the closed frame is fixedly provided with two y-axis control servo electric cylinders for driving the lifting frame to move up and down; the bottom of the lifting frame is fixedly provided with an x-axis displacement driving frame, the bottom of the x-axis displacement driving frame is slidably provided with a z-axis displacement driving frame, and the bottom of the z-axis displacement driving frame is slidably provided with the mounting frame, the inside of the mounting frame is rotatably provided with the connecting frame, and one side of the mounting frame is fixedly provided with a rotary servo motor for controlling the rotation of the connecting frame.

[0017] Preferably, the bottom of the connecting frame is rotatably provided with a rotating frame, and the inside of the rotating frame is movably provided with a plurality of machining servo motors, the output end of each of the plurality of machining servo motors is mounted with a machining tool bit through a connecting piece, the inside of the connecting frame is fixedly provided with an adjusting servo motor, one end of the output shaft of the adjusting servo motor is fixedly connected with the top of the rotating frame, the top of the rotating frame is fixedly provided with a plurality of machining servo cylinders, and the driving end of each of the plurality of machining servo cylinders is fixedly connected with the top of each of the plurality of machining servo motors.

[0018] Preferably, the inside of the lifting frame is movably provided with air guide plates on both sides, and the inside of the lifting frame is fixedly provided with adjusting servo cylinders for driving the two air guide plates to move up and down, the top of the isolation frame is fixedly provided with a blowing pump and a material pumping pump on both sides, one end of each of the two blowing pumps and the material pumping pump is communicated with the inside of the left air guide plate through a duct and the inside of the two air guide plates, the inside of the left air guide plate is communicated with the inside of the blowing pump through a duct, burrs cleaned from the surface of the automobile PCB are blown to the right side by using the blowing port arranged at the bottom end of the left air guide plate, the right air guide plate is communicated with the inside of the material pumping pump through a duct, and the burrs cleaned from the surface of the automobile PCB are extracted by using the dust collection port arranged at the bottom end of the right air guide plate.

[0019] Preferably, the left air guide plate is communicated with the interior of the blowing pump through a conduit, the burrs cleaned from the surface of the automobile PCB are blown to the right side through the blowing port arranged at the bottom end of the left air guide plate, and the right air guide plate is communicated with the interior of the suction pump through a conduit, the burrs cleaned from the surface of the automobile PCB are sucked through the dust suction port arranged at the bottom end of the right air guide plate.

[0020] Compared with the prior art, the application has the following beneficial effects:

[0021] 1. Through multi-dimensional structural innovation and functional synergy, the processing quality and efficiency of burr removal of the automobile PCB are significantly improved, in the automatic feeding link, the linkage design of the feeding assembly and the feeding assembly realizes the accurate positioning and automatic transfer of the to-be-processed PCB, avoids the positioning deviation and pollution risk caused by manual operation, and the dust removal pretreatment of the movable air blowing plate can effectively remove the impurities on the surface of the plate, provide a clean base for subsequent processing, and reduce the burr residue hidden danger caused by dust adhesion.

[0022] 2. In the positioning and processing process, the vacuum adsorption and electromagnetic positioning of the positioning assembly are combined, and the ultrasonic oscillation function of the piezoelectric ceramic transducer is matched, so that the stability of the plate during milling can be ensured through negative pressure adsorption, and the bonding force of the burr and the substrate can be weakened through high-frequency micro-vibration, the milling efficiency is improved, and the tool wear is reduced, the multi-axis linkage mechanism and the composite machining tool bit design of the burr removal assembly can flexibly adjust the processing path and the tool type according to the burr distribution data recognized by the industrial camera, and accurately remove burrs of different positions and different types, especially in processing complex structures such as special-shaped holes and stepped surfaces, full-adhesion processing can be realized through angle deflection and trajectory planning, avoiding the blind area problem of traditional single-axis milling.

[0023] 3. The innovation of the application in the cleaning and processing link is that the blowing and suction functions are integrated into the processing process, the debris generated during milling is removed in real time through the synchronous movement of the air guide plate and the machining tool bit, preventing secondary adhesion or blockage of the hole, and the electrostatic neutralization effect of the ion wind can further improve the cleanliness of the plate surface, reduce the interference in the subsequent detection and assembly links, and overall, the device improves the precision, efficiency and reliability of burr removal of the automobile PCB through the integrated design of automatic process, multi-modal processing and real-time cleaning, meets the stringent requirements of vehicle-mounted electronics for high consistency and high reliability, reduces the cost of manual intervention and process switching loss, and has significant technical advancement and engineering practicality. BRIEF DESCRIPTION OF DRAWINGS

[0024] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the embodiments will be briefly introduced as follows. It should be understood that the following drawings only represent some of the embodiments of the present application, and therefore should not be considered as a limitation to the scope. For those skilled in the art, other related drawings can also be obtained without creative labor on the basis of these drawings.

[0025] Figure 1 is a schematic diagram of a surface burr removing device structure suitable for automobile PCB processing according to an embodiment of the present application;

[0026] Figure 2 is a schematic diagram of a processing cabinet, isolation frame and blowing fan structure according to an embodiment of the present application;

[0027] Figure 3 is a schematic diagram of an internal structure of a feeding cabinet according to an embodiment of the present application;

[0028] Figure 4 is a schematic diagram of an internal structure of an isolation frame according to an embodiment of the present application;

[0029] Figure 5 is a schematic diagram of a first feeding frame and a third feeding frame structure according to an embodiment of the present application;

[0030] Figure 6 is a schematic diagram of a first feeding frame, a second feeding frame and a third feeding frame structure according to an embodiment of the present application;

[0031] Figure 7 is a schematic diagram of a third feeding frame and a clamping plate structure according to an embodiment of the present application;

[0032] Figure 8 is a schematic diagram of a fixed plate, a workpiece positioning table and an enclosed frame structure according to an embodiment of the present application;

[0033] Figure 9 is a schematic diagram of a burr removing assembly structure according to an embodiment of the present application;

[0034] Figure 10 is a schematic diagram of a connecting frame and a rotating frame structure according to an embodiment of the present application.

[0035] In the figure, 1, processing cabinet; 2, isolation frame; 3, feeding cabinet; 4, feeding turn door; 5, feeding assembly; 6, feeding assembly; 7, positioning assembly; 8, burr removing assembly; 9, closed frame; 10, first linear slide rail; 11, feeding frame; 12, limiting groove; 13, telescopic limiting block; 14, movable blowing plate; 15, blowing fan; 16, feeding port; 17, second linear slide rail; 18, first feeding frame; 19, second feeding frame; 20, third feeding frame; 21, lifting servo cylinder; 22, industrial camera; 23, clamping lead screw; 24, clamping plate; 25, adsorption block; 26, fixed plate; 27, rubber vibration isolation pad; 28, movable vacuum adsorption disc; 29, piezoelectric ceramic transducer; 30, fixed vacuum adsorption disc; 31, lifting frame; 32, y-axis control servo cylinder; 33, x-axis displacement drive frame; 34, z-axis displacement drive frame; 35, mounting frame; 36, rotary servo motor; 37, connecting frame; 38, adjusting servo motor; 39, processing servo cylinder; 40, processing servo motor; 41, rotating frame; 42, processing tool bit; 43, air guide plate; 44, adjusting servo cylinder; 45, blowing pump; 46, pumping pump; 47, workpiece positioning table; 48, third linear slide rail. DETAILED DESCRIPTION

[0036] The application will be further explained below in conjunction with the accompanying drawings and specific embodiments. Embodiment 1

[0037] Please refer to Figures 1 to 10 As shown in the figure, the embodiment discloses a surface burr removing device suitable for automobile PCB processing, which comprises:

[0038] The processing cabinet 1 is provided with the feeding cabinet 3 on the left side in the interior, and the top of the processing cabinet 1 is further fixedly provided with the isolation frame 2. The lower left side of the processing cabinet 1 is further rotationally provided with the feeding turn door 4, and the side close to the feeding turn door 4 of the feeding cabinet 3 is provided with a feeding port. The automobile PCB is automatically fed into the interior of the isolation frame 2 through the feeding cabinet 3, and the feeding process is isolated from the outside through the feeding turn door 4, thereby ensuring the protection during the feeding process of the PCB.

[0039] The feeding assembly 5 is fixedly arranged on the front and rear sides of the inner wall of the feeding cabinet 3, and the feeding assembly 5 is arranged between the opposite sides of the two first linear slide rails 10. The feeding assembly 5 comprises the feeding frame 11, and the front and rear sides of the feeding frame 11 are slidably connected with the opposite sides of the two first linear slide rails 10, respectively. The automobile PCB to be processed is placed above the feeding frame 11, the feeding frame 11 is lifted upward in the interior of the feeding cabinet 3 through the first linear slide rails 10, and then the automatic feeding operation of the automobile PCB is realized.

[0040] The top of the inner wall of the feeding cabinet 3 is further provided with a feeding assembly 6, and the upper right side of the feeding cabinet 3 is further provided with a feeding port 16. The feeding assembly 6 comprises a second linear slide rail 17 and a first feeding frame 18. The second linear slide rail 17 is fixedly arranged on the front and rear sides of the top of the inner wall of the feeding cabinet 3, and the first feeding frame 18 is slidingly arranged between the opposite sides of the two second linear slide rails 17. After the automobile PCB board to be processed is sent to the lower side of the feeding assembly 6 by the feeding assembly 5, the automobile PCB board on the feeding frame 11 is transferred from the inside of the feeding cabinet 3 to the inside of the isolation frame 2 for further burr removal processing. At the same time, the surface burrs of the automobile PCB board to be processed are identified in the transfer process, and then the burr removal processing is accurately performed according to the identified burr distribution data.

[0041] The positioning assembly 7 is arranged on the right side of the top of the processing cabinet 1 and in the inside of the isolation frame 2 for positioning of automobile PCB board processing. The positioning assembly 7 comprises a fixed plate 26 and a workpiece positioning table 47. The fixed plate 26 is fixedly arranged on the right side of the top of the processing cabinet 1, and the workpiece positioning table 47 is arranged above the fixed plate 26. The automobile PCB board to be processed is sent to the upper end face of the workpiece positioning table 47 by the feeding assembly 6 for adsorption positioning, thereby ensuring the stability of the automobile PCB board during burr removal processing.

[0042] The third linear slide rail 48 is fixedly arranged on the front and rear sides of the inner wall of the isolation frame 2, and the closure frame 9 is slidingly arranged between the opposite sides of the two third linear slide rails 48. The inside of the closure frame 9 is further movably provided with a burr removal assembly 8 for burr removal of the surface of the automobile PCB board. Embodiment 2

[0043] Specifically, as shown in Figure 3 The top of the feeding frame 11 is provided with a plurality of limiting grooves 12. The limiting grooves 12 are arranged in four x-axis directions and two z-axis directions. The inside of each limiting groove 12 is slidingly provided with a telescopic limiting block 13 through an electric sliding block, and the top end of the telescopic limiting block 13 is extended through an electric push rod. After the automobile PCB board is placed on the upper end face of the feeding frame 11, the telescopic limiting blocks 13 in the limiting grooves 12 are slid to the periphery of the automobile PCB board. The center of the automobile PCB board on the upper end face of the feeding frame 11 is positioned by the telescopic limiting blocks 13, and then the feeding frame 11 is lifted upward in the inside of the feeding cabinet 3 by the first linear slide rail 10.

[0044] Further, two movable blow-off plates 14 are rotatably arranged in the middle of the inside of the feeding cabinet 3, and are respectively arranged on the left and right sides of the inner wall of the feeding cabinet 3. One side of each of the two movable blow-off plates 14 is provided with a plurality of blow-off ports, and the back of the processing cabinet 1 is fixedly provided with a blow-off fan 15 for sending air into the inside of the two movable blow-off plates 14. Two motors built in the inside of the feeding cabinet 3 are used to control the two movable blow-off plates 14 to turn over in the inside of the feeding cabinet 3. When the two movable blow-off plates 14 are turned over to a horizontal state, the opposite sides of the two movable blow-off plates 14 close the inside of the feeding cabinet 3. At this time, air is sent into the inside of the two movable blow-off plates 14 by the blow-off fan 15, and the plurality of blow-off ports arranged on one side of the two movable blow-off plates 14 are used to blow air on the upper end surface of the automobile PCB board on the feeding rack 11, so as to avoid that dust from the outside enters the inside of the feeding cabinet 3 together when the automobile PCB board is placed on the feeding rack 11. Embodiment 3

[0045] Specifically, as shown in Figures 5 to 7 the bottom of the first feeding frame 18 is slidably provided with a second feeding frame 19 through a built-in electric sliding table, and the inside of the second feeding frame 19 is movably provided with a third feeding frame 20. Four lifting servo cylinders 21 are fixedly arranged around the bottom of the second feeding frame 19, and the drive shafts of the four lifting servo cylinders 21 are respectively fixedly connected to the four around the bottom of the third feeding frame 20. After the automobile PCB board is sent to the lower side of the third feeding frame 20 through the feeding rack 11, the structure at the bottom of the third feeding frame 20 is used to clamp and position the left and right sides of the automobile PCB board. Then, the first feeding frame 18 is moved to one side of the positioning assembly 7 through the two second linear sliding rails 17, and the second feeding frame 19 is further moved to one side of the positioning assembly 7 through the electric sliding table arranged at the bottom of the first feeding frame 18, so as to be transferred to the upper side of the positioning assembly 7. Finally, the automobile PCB board is placed on the top of the positioning assembly 7 for positioning.

[0046] Further, an industrial camera 22 is fixedly arranged at the middle of the bottom of the third feeding frame 20, and a clamping lead screw 23 is rotatably arranged in the inside of the third feeding frame 20. Two clamping plates 24 are threadedly connected to the two ends of the clamping lead screw 23, and the top of each of the two clamping plates 24 is slidably connected to the bottom of the third feeding frame 20. One end of the clamping lead screw 23 is rotatably driven by a built-in motor, and the two sides of the surface of the clamping lead screw 23 are provided with external threads with opposite rotation directions. When the clamping lead screw 23 is controlled to rotate clockwise, the two clamping plates 24 relatively slide along the surface of the clamping lead screw 23. One side of each of the two clamping plates 24 is slidably provided with an adsorption block 25 through a micro linear sliding table, and the bottom of each of the two adsorption blocks 25 is provided with a plurality of rubber suction nozzles. A micro air pump is arranged in the inside of each of the two adsorption blocks 25, and is communicated with the inside of the rubber suction nozzle, so as to generate negative pressure in the inside of the rubber suction nozzle.

[0047] It should be noted that when the automobile PCB on the top of the feeding frame 11 is clamped and positioned, the driving end of the lifting servo cylinder 21 is used to control the third feeding frame 20 to move downward at the bottom of the second feeding frame 19, so that the two clamping plates 24 are respectively located at both sides of the automobile PCB. The clamping plates 24 at both ends are controlled by the clamping lead screw 23 to clamp the two sides of the automobile PCB. At the same time, the suction blocks 25 on one side of the two clamping plates 24 are controlled to move downward, and the top of the automobile PCB is positioned by the rubber suction nozzles at the bottom of the two suction blocks 25, so as to ensure the stability of the automobile PCB during feeding.

[0048] Specifically, as shown in Figure 8 , the top of the fixed plate 26 is fixedly provided with a rubber vibration isolation pad 27, and the top of the rubber vibration isolation pad 27 is fixedly connected with the bottom of the workpiece positioning table 47. Four movable vacuum suction discs 28 are slidably arranged around the top of the workpiece positioning table 47 through a servo linear slide table, and the bottom of each of the four movable vacuum suction discs 28 is fixedly provided with a piezoelectric ceramic transducer 29. A fixed vacuum suction disc 30 is also fixedly arranged at the middle of the top of the workpiece positioning table 47. The top of the fixed vacuum suction disc 30 and the four movable vacuum suction discs 28 is provided with a plurality of suction holes, and the inside of each of the plurality of suction holes is communicated through the negative pressure pump output end built in the fixed vacuum suction disc 30 and the movable vacuum suction disc 28.

[0049] It should be noted that when the automobile PCB is processed and positioned, the positions of the four movable vacuum suction discs 28 on the top of the workpiece positioning table 47 are adjusted according to the size of the automobile PCB. Then the automobile PCB is placed on the top of the workpiece positioning table 47. The bottom of the automobile PCB is vacuum-sucked by the four movable vacuum suction discs 28 and the fixed vacuum suction disc 30. At the same time, the piezoelectric ceramic transducer 29 arranged at the bottom of the movable vacuum suction disc 28 is used to produce ultrasonic oscillation to the suctioned automobile PCB during processing, which can effectively avoid the "slag hanging" phenomenon of traditional milling. Embodiment 4

[0050] Further, as shown in Figure 8 , Figure 9 , and Figure 10As shown, the burr removing assembly 8 comprises a lifting frame 31, a mounting frame 35 and a connecting frame 37, the lifting frame 31 is slidably arranged on the inside of the closed frame 9, and the top of the closed frame 9 is fixedly provided with two y-axis control servo cylinders 32 for driving the lifting frame 31 to move up and down; the bottom of the lifting frame 31 is fixedly provided with an x-axis displacement drive frame 33, the bottom of the x-axis displacement drive frame 33 is slidably provided with a z-axis displacement drive frame 34, and the bottom of the z-axis displacement drive frame 34 is slidably provided with the mounting frame 35, the inside of the mounting frame 35 is rotatably provided with the connecting frame 37, and one side of the mounting frame 35 is fixedly provided with a rotary servo motor 36 for controlling the rotation of the connecting frame 37, the bottom of the connecting frame 37 is also rotatably provided with a rotary frame 41, and the inside of the rotary frame 41 is movably provided with a plurality of machining servo motors 40, and the output ends of the plurality of machining servo motors 40 are all mounted with machining tool bits 42 through connecting pieces, wherein the specifications of the plurality of machining tool bits 42 are all different, including but not limited to flat bottom milling cutter, arc blade milling cutter and small diameter milling cutter; the inside of the connecting frame 37 is fixedly provided with an adjusting servo motor 38, one end of the output shaft of the adjusting servo motor 38 is fixedly connected with the top of the rotary frame 41, the top of the rotary frame 41 is fixedly provided with a plurality of machining servo cylinders 39, and the driving ends of the plurality of machining servo cylinders 39 are respectively fixedly connected with the top of the plurality of machining servo motors 40; according to the type of the burr of the automobile PCB, the machining tool bit 42 is selected, the driving end of the corresponding machining servo cylinder 39 pushes down the selected machining tool bit 42, then the driving end of the two y-axis control servo cylinders 32 controls the lifting frame 31 to move down in the inside of the closed frame 9, the mounting frame 35 is driven by the x-axis displacement drive frame 33 and the z-axis displacement drive frame 34 to move in x-axis and z-axis above the automobile PCB, and the connecting frame 37 is controlled to rotate in the inside of the mounting frame 35 according to the angle of burr removal through the output shaft of the rotary servo motor 36, the machining angle of the machining tool bit 42 is adjusted, and the surface burr of the automobile PCB is automatically removed by the selected machining tool bit 42.

[0051] Further, in order to avoid the removed burrs remaining on the surface of the automobile PCB, the air guide plates 43 are movably arranged on both sides of the lifting frame 31, and the adjusting servo cylinders 44 for driving the two air guide plates 43 to move up and down are fixedly arranged on both sides of the lifting frame 31, the air blowing pumps 45 and the material pumping pumps 46 are fixedly arranged on both sides of the isolation frame 2, and one end of the two air blowing pumps 45 and the material pumping pumps 46 are communicated with the interiors of the two air guide plates 43 through the pipes; the left air guide plate 43 is communicated with the interior of the air blowing pump 45 through the pipe, the burrs cleaned from the surface of the automobile PCB are blown to the right side by the air blowing port arranged at the bottom end of the left air guide plate 43, at the same time, the right air guide plate 43 is communicated with the interior of the material pumping pump 46 through the pipe, the burrs cleaned from the surface of the automobile PCB are pumped by the dust suction port arranged at the bottom end of the right air guide plate 43, so as to ensure the cleanliness of the automobile PCB during the surface burr removing process and the burr removing effect of the machining tool bit 42 on the surface of the automobile PCB. Embodiment 5

[0052] Specifically, the embodiment also discloses a working method of a surface burr removing device suitable for automobile PCB processing, which comprises the following steps:

[0053] Step one, place the automobile PCB to be processed on the top of the feeding frame 11, move along the X axis and the Z axis through the telescopic limiting block 13 in the limiting groove 12, and complete the center positioning by abutting against the edge of the PCB, then lift the feeding frame 11 upward through the first linear slide rail 10, and enter the interior of the feeding cabinet 3;

[0054] Step two, when placing the automobile PCB to be processed on the top of the feeding frame 11, control the two movable air blowing plates 14 in the feeding cabinet 3 to be turned to the horizontal state by the motor drive, close the middle space of the feeding cabinet, and the air blowing fan 15 sprays air flow to the surface of the PCB through the air blowing port of the movable air blowing plate 14, so as to remove dust and debris and avoid polluting the subsequent processing area;

[0055] Step three, after closing the feeding turn door 4, control the two movable air blowing plates 14 to reset, continue to lift the feeding frame 11 to below the feeding assembly 6, lower the third feeding frame 20 through the lifting servo cylinder 21, so that the clamping plates 24 and the suction blocks 25 are close to the PCB, the clamping lead screws 23 rotate to drive the two clamping plates 24 to clamp the two sides of the PCB, at the same time, the rubber suction nozzles of the suction blocks 25 generate negative pressure through the micro air pump, and the upper surface of the PCB is adsorbed and fixed, the industrial camera 22 identifies the image of the burrs on the surface of the PCB, generates burr distribution data and transmits the burr distribution data to the control system;

[0056] Step four, the second linear slide 17 drives the first feeder 18 to move to the positioning assembly 7 in the isolation frame 2, and then the electric slide at the bottom of the first feeder 18 controls the second feeder 19 to move further, so as to transport the PCB board to the workpiece positioning table 47, the lifting servo cylinder 21 is lowered to place the PCB board on the workpiece positioning table 47, the movable vacuum suction plate 28 and the fixed vacuum suction plate 30 are started by the negative pressure pump to suck the PCB board, and the piezoelectric ceramic transducer 29 is started to generate 20-40 kHz ultrasonic oscillation, which assists in subsequent milling and reduces the cutting resistance;

[0057] Step five, the y-axis control servo cylinder 32 in the closed frame 9 drives the lifting frame 31 to descend, so that the machining tool head 42 approaches the surface of the PCB board; the control system controls the installation frame 35 to move in the X-axis and the Z-axis according to the burr distribution data of the industrial camera 22 through the x-axis displacement drive frame 33 and the z-axis displacement drive frame 34, is positioned to the burr area, the rotation servo motor 36 adjusts the angle of the connecting frame 37, the servo motor 38 drives the rotating frame 41 to select the corresponding machining tool head 42, the machining servo cylinder 39 pushes the tool head to extend, the machining servo motor 40 drives the tool head to rotate at high speed, and the milling is performed in cooperation with the ultrasonic oscillation; and the air guide plate 43 synchronously cleans the debris through the blowing pump 45 and the material pumping pump 46.

[0058] Step six, after all the burr areas are processed, the vacuum suction plate closes the negative pressure, the feeding assembly 6 returns along the original route to grab the processed PCB board and is transferred to the discharging area; the feeding door 4 of the feeding cabinet 3 is opened, and the step one is repeated to feed the next batch, so that the automatic circulation processing is realized.

[0059] Meanwhile, the contents not described in detail in the specification all belong to the prior art known by those skilled in the art.

[0060] The application is not limited to the above-mentioned optional embodiments, and anyone can derive other various forms of products under the inspiration of the application. The above-mentioned specific embodiments should not be understood as limiting the protection scope of the application, and the protection scope of the application should be defined by the claims, and the specification can be used to interpret the claims.

Claims

1. A surface burr removing device adapted to automobile PCB processing, characterized by, The application relates to a processing cabinet (1), which is internally provided with a feeding cabinet (3) on the left side, and is fixedly provided with an isolation frame (2) on the top; a feeding turn door (4) is rotationally arranged on the lower left side of the processing cabinet (1), and a feeding port is arranged on the side of the feeding cabinet (3) close to the feeding turn door (4). The feeding cabinet (3) is internally provided with a feeding assembly (5) between the opposite sides of the front and rear first linear sliding rails (10) fixedly arranged on the inner wall of the feeding cabinet (3), the feeding assembly (5) comprises a feeding frame (11), and the front and rear sides of the feeding frame (11) are slidably connected with the opposite sides of the two first linear sliding rails (10). The feeding cabinet (3) is internally provided with a feeding assembly (6) on the top, and a feeding port (16) is arranged on the upper right side of the feeding cabinet (3); the feeding assembly (6) comprises second linear sliding rails (17) and a first feeding frame (18), the top of the inner wall of the feeding cabinet (3) is fixedly provided with the second linear sliding rails (17) on the front and rear sides, the first feeding frame (18) is slidably arranged between the opposite sides of the two second linear sliding rails (17), the bottom of the first feeding frame (18) is slidably provided with a second feeding frame (19) through an embedded electric sliding table, the inside of the second feeding frame (19) is movably provided with a third feeding frame (20), the periphery of the bottom of the second feeding frame (19) is fixedly provided with lifting servo cylinders (21), the driving shafts of the four lifting servo cylinders (21) are fixedly connected with the periphery of the bottom of the third feeding frame (20), the middle of the bottom of the third feeding frame (20) is fixedly provided with an industrial camera (22), the inside of the third feeding frame (20) is rotationally provided with a clamping lead screw (23), the two ends of the clamping lead screw (23) are threadedly connected with clamping plates (24), the top of each clamping plate (24) is slidably connected with the bottom of the third feeding frame (20), the opposite side of each clamping plate (24) is slidably provided with an adsorption block (25) through a micro linear sliding table, and the bottom of each adsorption block (25) is provided with a plurality of rubber suction nozzles. The right side of the top of the processing cabinet (1) is internally provided with a positioning assembly (7) for automobile PCB board processing positioning, the positioning assembly (7) comprises a fixed plate (26) and a workpiece positioning table (47), the right side of the top of the processing cabinet (1) is fixedly provided with the fixed plate (26), and the top of the fixed plate (26) is provided with the workpiece positioning table (47). ​ The third linear sliding rail (48) is slidably arranged between the opposite sides of the two third linear sliding rails (48), and the inside of the closing frame (9) is movably arranged with a burr removing assembly (8) for removing the surface burrs of the automobile PCB.

2. The surface burr removing device adapted to the PCB processing of an automobile according to claim 1, wherein, The top of the upper feeding frame (11) is provided with a plurality of limiting grooves (12), which are arranged in the x-axis direction and have four, and arranged in the z-axis direction and have two. The inside of the plurality of limiting grooves (12) is slidably provided with a telescopic limiting block (13) through an electric sliding block, and the top end of the telescopic limiting block (13) is controlled to extend through an electric push rod.

3. The surface burr removing device adapted to the PCB processing of an automobile according to claim 1, wherein, The inside of the upper feeding cabinet (3) is rotatably provided with two movable blowing plates (14), which are respectively located on the left and right sides of the inner wall of the upper feeding cabinet (3). One side of the two movable blowing plates (14) is provided with a plurality of air outlets, and the back of the processing cabinet (1) is fixedly provided with a blowing fan (15) for blowing air into the inside of the two movable blowing plates (14).

4. The surface burr removing device adapted to the PCB processing of an automobile according to claim 1, wherein, The burr removing assembly (8) comprises a lifting frame (31), a mounting frame (35) and a connecting frame (37). The inside of the closing frame (9) is slidably provided with a lifting frame (31), and the top of the closing frame (9) is fixedly provided with two y-axis control servo cylinders (32) for driving the lifting frame (31) to move up and down. The bottom of the lifting frame (31) is fixedly provided with an x-axis displacement driving frame (33), the bottom of the x-axis displacement driving frame (33) is slidably provided with a z-axis displacement driving frame (34), and the bottom of the z-axis displacement driving frame (34) is slidably provided with a mounting frame (35). The inside of the mounting frame (35) is rotatably provided with a connecting frame (37), and one side of the mounting frame (35) is fixedly provided with a rotary servo motor (36) for controlling the rotation of the connecting frame (37).

5. The surface burr removing device adapted to the PCB processing of an automobile according to claim 4, wherein, The bottom of the connecting frame (37) is rotationally provided with a rotating frame (41), and the inside of the rotating frame (41) is movably provided with a plurality of machining servo motors (40), the output ends of the plurality of machining servo motors (40) are all provided with machining tool bits (42) through connecting pieces, the inside of the connecting frame (37) is fixedly provided with an adjusting servo motor (38), one end of the output shaft of the adjusting servo motor (38) is fixedly connected with the top of the rotating frame (41), and the top of the rotating frame (41) is fixedly provided with a plurality of machining servo cylinders (39), the driving ends of the plurality of machining servo cylinders (39) are respectively fixedly connected with the tops of the plurality of machining servo motors (40).

6. The surface burr removing device adapted to the PCB processing of an automobile according to claim 5, wherein, Both sides of the inside of the lifting frame (31) are movably provided with air guide plates (43), and both sides of the inside of the lifting frame (31) are fixedly provided with adjusting servo cylinders (44) for driving the two air guide plates (43) to move up and down, the top of the isolation frame (2) is fixedly provided with a blowing pump (45) and a material pumping pump (46) on both sides, respectively, one end of the two blowing pumps (45) and the material pumping pump (46) is communicated with the inside of the two air guide plates (43) through pipes.

7. The surface burr removing device adapted to the PCB processing of an automobile according to claim 6, wherein The left air guide plate (43) is communicated with the inside of the blowing pump (45) through a pipe, the burrs cleaned from the surface of the automobile PCB are blown to the right side by the blowing port arranged at the bottom end of the left air guide plate (43), and the right air guide plate (43) is communicated with the inside of the material pumping pump (46) through a pipe, the burrs cleaned from the surface of the automobile PCB are pumped by the dust suction port arranged at the bottom end of the right air guide plate (43).

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