Circuit board processing system with efficient dust removal function

Abstract

The invention discloses a circuit board processing system with an efficient dust removal function, and relates to the technical field of circuit board manufacturing, the circuit board processing system comprises a processing table and a protective cover, a positioning table is fixed at the top end of the processing table, and an adsorption positioning mechanism is arranged on the positioning table; the interior of the annular cylinder is blown at a high speed through an exhaust fan, high-speed airflow in the annular cylinder is blown to a drill bit from blowing holes, dust left on the surface of the drill bit is blown off while heat dissipation and cooling are achieved, the drill bit is detachably mounted at the bottom end of the mounting plate through a buckle butt-joint mechanism, and therefore the drill bit is prevented from being damaged while the mounting firmness of the drill bit is guaranteed. In addition, the dust collection cover is driven by the dust removal fan to suck smoke dust drifting away from the inner side of the protective cover into the first dust suction pipe, then the smoke dust is filtered and purified through the cyclone dust removal tank, the electrostatic dust removal box and the filter membrane bag in sequence, and smoke dust generated in the drilling process can be effectively sucked, removed and purified.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of circuit board manufacturing, and particularly relates to a circuit board processing system with efficient dust removal function. BACKGROUND

[0002] A circuit board (PCB for short) is a core component for connecting and supporting electronic components in electronic equipment, which is composed of conductive circuits, pads and insulating substrates, and is the "skeleton" and "nervous system" of modern electronic products. Its core components include substrates, conductive layers, pads and vias, and silk screen layers, wherein the substrate is usually glass fiber, ceramic or flexible material, which provides mechanical support and insulation, the conductive layer is usually copper foil etched into a specific circuit to realize electrical connection between components, the pad and via are used for soldering component pins and interlayer conductive connection, and the silk screen layer is used for marking component position, polarity and other information to assist assembly.

[0003] In the production and processing process of the circuit board, corresponding drilling processing equipment is needed to drill the circuit board raw material to form a via on the circuit board. The existing circuit board drilling processing equipment is mostly single-function, inconvenient for cooling and residual dust removal of the drill bit, which can easily affect the service life and drilling precision of the drill bit. Moreover, the drill bit is mostly fixed by bolts, which cannot ensure the convenience of disassembly and replacement of the drill bit while ensuring firm installation. In addition, the existing circuit board drilling processing equipment has a single smoke dust removal structure, which cannot effectively remove and purify the smoke dust generated during drilling, which can easily pollute the external air and is not environmentally friendly. Therefore, the present application provides a circuit board processing system with efficient dust removal function to solve the problems in the prior art. SUMMARY

[0004] In view of the above problems, the present application aims to provide a circuit board processing system with efficient dust removal function to solve the problems of the existing circuit board drilling processing equipment, such as inconvenient cooling and residual dust removal of the drill bit, inability to ensure the convenience of disassembly of the drill bit while ensuring firm installation, and single smoke dust removal structure that cannot effectively remove and purify the smoke dust generated during drilling.

[0005] In order to achieve the purpose of the present application, the present application realizes the following technical scheme: a circuit board processing system with efficient dust removal function, comprising a processing table and a protective cover, the top end of the processing table is fixed with a positioning table, the positioning table is provided with an adsorption positioning mechanism, the front and rear sides of the positioning table are provided with first alignment plates driven to displace by first air cylinders, the left and right sides of the positioning table are provided with second alignment plates driven to displace by second air cylinders, and the second alignment plates are provided with auxiliary limiting mechanisms. The positioning table is provided with a translation plate driven to displace by a translation adjustment mechanism, a drilling motor is connected to the bottom end of the translation plate through a hydraulic cylinder, an installation plate is fixed to the output end of the drilling motor, a drill bit is detachably installed on the bottom end of the installation plate through a buckle butt joint mechanism, a ring cylinder is hung below the drilling motor, air exhaust fans are connected to the outer walls on both sides of the ring cylinder through air conveying hoses, and air blowing holes are formed in the inner walls on four sides of the ring cylinder and are in communication with the air conveying hoses. The inside rear side of the protective cover is symmetrically provided with a dust suction cover, a first dust suction pipe penetrating to the outside of the protective cover is fixed to the rear side of the dust suction cover, a dust removal fan is installed on the first dust suction pipe, and a composite dust removal assembly is connected to the end of the first dust suction pipe outside the protective cover.

[0006] Further improvements are that the adsorption positioning mechanism comprises a cavity formed in the inside of the positioning table and an adsorption plate fixed to the top end of the positioning table, adsorption holes are formed in the adsorption plate in an array, a dustproof net is arranged between the adsorption plate and the cavity, and a vacuum pump is fixed in the inside of the processing table and has an air inlet penetrating to the inside of the cavity.

[0007] Further improvements are that the composite dust removal assembly comprises a cyclone dust removal tank connected to the first dust suction pipe and an electrostatic dust removal box connected to the cyclone dust removal tank through a second dust suction pipe, and a filter membrane bag is detachably installed on the side of the electrostatic dust removal box away from the protective cover.

[0008] Further improvements are that a conical hopper pipe is fixed to the bottom end of the cyclone dust removal tank, a dust collection box is installed at the bottom end of the conical hopper pipe, an air outlet pipe connected to the second dust suction pipe penetrates and is fixed to the top end of the cyclone dust removal tank, and the end of the first dust suction pipe away from the protective cover penetrates into the inside of the cyclone dust removal tank in a tangential direction and makes dust-containing gas enter the cyclone dust removal tank in a tangential direction.

[0009] Further improvements are that an electrostatic dust removal net with vibration function is fixed in the inside of the electrostatic dust removal box, an opening is formed in the bottom end of the electrostatic dust removal box below the electrostatic dust removal net, a dust collection groove is installed at the bottom end of the electrostatic dust removal box below the electrostatic dust removal net, an air exhaust pipe is fixed to the side of the electrostatic dust removal box close to the filter membrane bag, and an air exhaust fan is fixed in the inside of the air exhaust pipe.

[0010] Further improvements are that a butt joint ring adapted to the air exhaust pipe is fixed to the end of the filter membrane bag close to the electrostatic dust removal box, a sealing rubber ring is embedded between the air exhaust pipe and the butt joint ring, first semicircular threaded columns are fixed to the outer walls on the upper and lower sides of the air exhaust pipe, second semicircular threaded columns are fixed to the outer walls on the upper and lower sides of the butt joint ring, and a nut ring is threadedly sleeved on the first semicircular threaded columns and the second semicircular threaded columns.

[0011] Further improvement lies in that the auxiliary limiting mechanism comprises a third air cylinder fixed on the second calibration plate and a movable pressing plate fixed on the output end of the third air cylinder, and the second calibration plate is fixed with a fixed pressing plate matched with the movable pressing plate at the lower part of the outer wall of the side of the positioning table.

[0012] Further improvement lies in that the translation adjusting mechanism comprises an X-axis linear module fixed on the inner top end of the protective cover and a Y-axis linear module fixed on the output end of the X-axis linear module, and the translation plate is fixed on the output end of the Y-axis linear module.

[0013] Further improvement lies in that the outer walls of the two sides of the annular cylinder are fixed with fixed blocks, the top end of the fixed block is fixed with a sleeve, the bottom end of the drilling motor is fixed with a sliding rod, and the bottom end of the sliding rod is slidably penetrated into the inner sleeve and fixed with a stop block.

[0014] Further improvement lies in that the buckle butt joint mechanism comprises an upper butt joint column fixed on the bottom end of the mounting plate and a lower butt joint column fixed on the top end of the drill bit, the bottom end of the upper butt joint column is fixed with an embedded square block, the top end of the lower butt joint column is provided with an embedded groove matched with the embedded square block, the outer walls of the two sides of the upper butt joint column are fixed with L-shaped clamping blocks, the L-shaped clamping blocks are slidably penetrated with elastic pins, the outer wall of the lower butt joint column is provided with a plug hole matched with the elastic pin, the inner wall of the L-shaped clamping block is provided with a groove, and the side of the elastic pin located in the groove is fixed with a spring sheet, and the inner wall of the side of the groove away from the upper butt joint column and the spring sheet are fixed with a limiting spring.

[0015] The beneficial effects of the present application are that the annular cylinder around the drill bit is hung below the drilling motor, and the high-speed air blowing of the air blower is utilized in the drilling process to blow the high-speed airflow in the annular cylinder from the air blowing hole to the drill bit, so that the heat dissipation and cooling are realized, and the dust remaining on the surface of the drill bit is blown off, which prolongs the service life of the drill bit to a certain extent and ensures the drilling accuracy. The drill bit can be detachably installed at the bottom end of the mounting plate through the buckle butt joint mechanism, so that the drill bit can be quickly disassembled and assembled after a long time of use, and the use is convenient. In addition, the dust removal fan is started to drive the dust collection cover to suck the smoke dust floating in the inner side of the protective cover into the first dust collection pipe, and then the smoke dust generated in the drilling process can be efficiently sucked, filtered and purified through the cyclone dust removal tank, the electrostatic dust removal box and the filter membrane bag in sequence, so that the external air is prevented from being polluted, and the whole printed circuit board processing process is more environmentally friendly. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is the front view of the present application; Figure 2 is the front view of the present application; Figure 3is a side sectional view of the present invention; Figure 4 is a side sectional view of the composite dust removal assembly of the present invention; Figure 5 is a side cross-sectional view of the exhaust pipe and docking ring of the present invention; Figure 6 is a cross-sectional view of the annular cylinder of the present invention; Figure 7 It is a cross-sectional view of the upper docking post and the lower docking post of the present invention.

[0017] Among them: 1. Processing table; 2. Protective cover; 3. Positioning table; 4. First cylinder; 5. First alignment plate; 6. Second cylinder; 7. Second alignment plate; 8. Translation plate; 9. Hydraulic cylinder; 10. Drilling motor; 11. Mounting plate; 12. Drill bit; 13. Annular cylinder; 14. Air hose; 15. Exhaust fan; 16. Blowing hole; 17. Dust hood; 18. First dust extraction pipe; 19. Dust removal fan; 20. Cavity; 21. Adsorption plate; 22. Vacuum pump; 23. Cyclone dust removal tank; 24. Second dust extraction pipe; 25. Electrostatic dust removal box; 26. Filter membrane bag; 27. Cone Funnel tube; 28. Dust box; 29. ​​Exhaust pipe; 30. Electrostatic dust collector; 31. Exhaust pipe; 32. Docking ring; 33. First semicircular threaded column; 34. Second semicircular threaded column; 35. Nut ring; 36. Third cylinder; 37. Movable pressure plate; 38. Fixed pressure plate; 39. X-axis linear module; 40. Y-axis linear module; 41. Fixed block; 42. Sleeve; 43. Slide rod; 44. Stop block; 45. Upper docking column; 46. Lower docking column; 47. Chime block; 48. L-shaped block; 49. Elastic latch; 50. Socket; 51. Empty slot; 52. Spring sheet. DETAILED DESCRIPTION

[0018] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making any creative efforts shall fall within the scope of protection of the present invention.

[0019] Circuit board generally refers to circuit board. The names of circuit boards include: ceramic circuit board, alumina ceramic circuit board, aluminum nitride ceramic circuit board, circuit board, PCB board, aluminum base board, high-frequency board, thick copper board, impedance board, PCB, ultra-thin circuit board, ultra-thin circuit board, printed (copper etching technology) circuit board, etc.

[0020] Circuit boards make circuits miniaturized and intuitive, and play an important role in the mass production of fixed circuits and the optimization of electrical appliance layout. Circuit boards need to be drilled or otherwise processed before they are put into use.

[0021] The X-axis linear module 39 and the Y-axis linear module 40 of the embodiment are both synchronous belt type linear modules, which are mainly made of a belt, a linear guide rail, an aluminum alloy profile, a shaft coupling, a motor, a photoelectric switch and the like, and belong to the prior art, and thus will not be described in detail in the embodiment.

[0022] According to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , the embodiment provides a circuit board processing system with efficient dust removal function. The device comprises a processing table 1 arranged horizontally and a protective cover 2 welded and fixed to the top end of the processing table 1. The inside of the processing table 1 is provided with a storage battery on both sides. The front of the processing table 1 is provided with a controller. The front of the protective cover 2 is designed as an opening. The top end of the processing table 1 is fixed with a positioning table 3 for placing circuit board raw materials by bolts. The positioning table 3 is provided with an adsorption positioning mechanism for adsorbing and positioning the circuit board raw materials, which can ensure the firmness of the circuit board raw materials to a certain extent. The first positioning plate 5 for position calibration and limiting of the circuit board raw materials is arranged on the front and back of the positioning table 3. The first positioning plate 5 is driven by the first air cylinder 4 and moves longitudinally forward and backward. When the two groups of first positioning plates 5 move towards each other, the front and back of the circuit board raw materials can be limited. The second positioning plate 7 for position calibration and limiting of the circuit board raw materials is arranged on the left and right sides of the positioning table 3. The second positioning plate 7 is driven by the second air cylinder 6 and moves transversely left and right. The second positioning plate 7 is provided with an auxiliary limiting mechanism for clamping and limiting the left and right edge positions of the circuit board raw materials. The translation plate 8 is arranged above the positioning table 3 and is driven by a translation adjusting mechanism and moves horizontally left and right and forward and backward. The hydraulic cylinder 9 is fixed to the bottom end of the translation plate 8 by bolts. The output end of the hydraulic cylinder 9 is fixed to the drill motor 10 by bolts. The output shaft of the drill motor 10 is fixed to the mounting plate 11 by bolts. The drill bit 12 for drilling the circuit board raw materials is detachably mounted at the bottom end of the mounting plate 11. The drill bit 12 and the mounting plate 11 are locked and connected by the buckle connecting mechanism. The drill bit 12 is detachably mounted at the bottom end of the mounting plate 11 by the buckle connecting mechanism, so that the drill bit 12 can be quickly disassembled after a long time of use while ensuring the firmness of the installation. The drilling motor 10 is hung with a ring cylinder 13 around the outer periphery of the drill bit 12 below, the outer wall of the left and right sides of the ring cylinder 13 is fixed with a wind conveying hose 14, the side wall of the ring cylinder 13 is designed as hollow and communicates with the wind conveying hose 14, the outer wall of the left and right sides of the drilling motor 10 is fixed with an air extractor 15 connected with the wind conveying hose 14 through bolts, the inner wall of the four sides of the ring cylinder 13 is provided with a blowing hole 16, which is convenient for the airflow in the side wall of the ring cylinder 13 to be discharged, the ring cylinder 13 around the outer periphery of the drill bit 12 is hung below the drilling motor 10, and the high-speed air blowing of the air extractor 15 to the inside of the ring cylinder 13 during the drilling process makes the high-speed airflow in the ring cylinder 13 blow to the drill bit 12 from the blowing hole 16, so that the heat dissipation and cooling are realized, and the dust remaining on the surface of the drill bit 12 is blown off; The inner rear side of the protective cover 2 is provided with two groups of dust suction covers 17 which are symmetrically distributed left and right, the rear side of the dust suction cover 17 is fixed with a first dust extraction pipe 18 which penetrates to the outer rear side of the protective cover 2, a dust removal fan 19 is installed on the first dust extraction pipe 18, so as to drive the dust suction cover 17 to suck and remove the smoke dust containing air in the protective cover 2, and a composite dust removal assembly which can efficiently filter and purify the smoke dust containing air is fixed to one end of the first dust extraction pipe 18 located outside the protective cover 2.

[0023] The adsorption positioning mechanism includes a cavity 20 and an adsorption plate 21, the cavity 20 is arranged in the positioning table 3, the adsorption plate 21 is embedded and fixed on the top end of the positioning table 3, provides support for the circuit board raw material, and can be drilled by the drill bit 12, the adsorption plate 21 is arrayed with adsorption holes, and a dust screen is arranged between the adsorption plate 21 and the cavity 20 to intercept the drilling debris and prevent the debris from being sucked into the cavity 20, the dust screen 25 needs to be cleaned regularly to avoid affecting adsorption due to blockage, a vacuum pump 22 is fixed in the processing table 1, the input end air inlet of the vacuum pump 22 penetrates into the cavity 20, and the output end air outlet of the vacuum pump 22 penetrates below the processing table 1, the cavity 20 is pumped by the vacuum pump 22, so that the adsorption holes on the adsorption plate 21 generate suction force, and the circuit board raw material is positioned to a certain extent.

[0024] The composite dust removal assembly includes a cyclone dust removal tank 23 for primary dust removal of the smoke dust containing air and an electrostatic dust removal box 25 for secondary dust removal of the smoke dust containing air, the cyclone dust removal tank 23 is connected with the first dust extraction pipe 18, the electrostatic dust removal box 25 is connected above the cyclone dust removal tank 23 through a second dust extraction pipe 24, and a filter membrane bag 26 for three times of dust removal of the smoke dust containing air is detachably installed on the side of the electrostatic dust removal box 25 away from the protective cover 2, the dust removal fan 19 is started to drive the dust suction cover 17 to suck the smoke dust floating inside the protective cover 2 into the first dust extraction pipe 18, and then the smoke dust is filtered and purified in sequence through the cyclone dust removal tank 23, the electrostatic dust removal box 25 and the filter membrane bag 26, so that the smoke dust generated during the drilling process can be effectively sucked and purified; The bottom end of the cyclone dust removal tank 23 is welded and fixed with a conical funnel pipe 27 in communication therewith, the bottom end of the conical funnel pipe 27 is bolted with a dust collection box 28, the top end of the cyclone dust removal tank 23 is fixed with an air outlet pipe 29, and the top end of the air outlet pipe 29 is connected with the bottom end of the second dust removal pipe 24 through a sealing flange, the end of the first dust removal pipe 18 away from the protective cover 2 penetrates into the inside of the cyclone dust removal tank 23 along the tangential direction and makes the dust-containing gas enter the cyclone dust removal tank 23 tangentially, the dust-containing gas forms a high-speed rotating outer vortex along the inner wall of the cyclone dust removal tank 23, under the action of centrifugal force, the dust particles are thrown to the inner wall of the cyclone dust removal tank 23, and then fall along the inner wall of the conical funnel pipe 27 to the dust collection box 28 under the action of gravity, the gas after preliminary purification forms an inner vortex in the central area, and is discharged from the air outlet pipe 29 at the top to the second dust removal pipe 24; The inside of the electrostatic dust removal box 25 is fixed with an electrostatic dust removal net 30, the electrostatic dust removal net 30 is provided with a vibrating mechanism and has a vibrating function, the bottom end of the electrostatic dust removal box 25 is provided with an opening below the electrostatic dust removal net 30, the bottom end of the electrostatic dust removal box 25 is provided with a dust collection groove below the electrostatic dust removal net 30, the side of the electrostatic dust removal box 25 close to the filter membrane bag 26 is fixed with an exhaust pipe 31, the inside of the exhaust pipe 31 is bolted with an exhaust fan, so as to exhaust the air in the electrostatic dust removal box 21, the electrostatic dust removal net 30 is provided with a discharge electrode and a dust collection electrode, when high-voltage direct current is applied between the two, a strong electric field is generated around the discharge electrode, so that the air is ionized, the gas molecules in the air are ionized into electrons and positive ions, the charged particles collide with the dust particles, so that the dust particles are charged, the charged dust particles move to the dust collection electrode with opposite charges under the action of electric field force, since the dust collection electrode is grounded, the negatively charged dust particles are adsorbed to the surface of the dust collection electrode to form a dust layer, and then the dust is removed through vibration and falls into the dust collection groove below the electrostatic dust removal net 30 for subsequent treatment, in this way, the dust and the gas are separated, secondary dust removal is realized, and the purified gas is discharged from the electrostatic dust removal box 21; The left end of the filter membrane bag 26 is fixed with a butt joint ring 32, the butt joint ring 32 is adapted to the exhaust pipe 31, a sealing rubber ring is embedded between the exhaust pipe 31 and the butt joint ring 32, the outer walls of the upper and lower sides of the exhaust pipe 31 are both fixed with first semicircular threaded columns 33, the outer walls of the upper and lower sides of the butt joint ring 32 are both fixed with second semicircular threaded columns 34, and the first semicircular threaded columns 33 and the second semicircular threaded columns 34 are both threadedly sleeved with a nut ring 35, the butt joint locking between the exhaust pipe 31 and the butt joint ring 32 is realized by threadedly sleeving the nut ring 35 on the first semicircular threaded columns 33 and the second semicircular threaded columns 34.

[0025] The auxiliary limiting mechanism comprises a third cylinder 36 and a movable pressing plate 37, wherein the third cylinder 36 is fixed on the top of the second calibration plate 7 in an L-shaped design by bolts, and the movable pressing plate 37 is fixed on the output end of the third cylinder 36 by bolts. The second calibration plate 7 is fixed with a fixed pressing plate 38 on the lower part of the outer wall near the side of the positioning table 3. The fixed pressing plate 38 is positionally matched with the movable pressing plate 37. The movable pressing plate 37 is driven by the third cylinder 36, so as to clamp and fix the edge of the circuit board raw material in cooperation with the fixed pressing plate 38.

[0026] The translation adjusting mechanism comprises an X-axis linear module 39 and a Y-axis linear module 40, wherein the X-axis linear module 39 is fixed on the inner top of the protective cover 2 by bolts, and the Y-axis linear module 40 is fixed on the output end of the X-axis linear module 39 by bolts. The Y-axis linear module 40 can be driven to horizontally displace left and right by the X-axis linear module 39. The translation plate 8 is fixed on the output end of the Y-axis linear module 40 by bolts, and the translation plate 8 can be driven to horizontally displace forward and backward by the Y-axis linear module 40.

[0027] The outer walls of the two sides of the annular cylinder 13 are fixed with fixed blocks 41, and the top ends of the fixed blocks 41 are fixed with sleeves 42. The bottom end of the drilling motor 10 is fixed with slide rods 43 in a symmetrical manner. The bottom end of the slide rod 43 is slidably penetrated into the inside of the sleeve 42 and is fixed with a stop block 44. In a natural state, the top end of the stop block 44 abuts against the inside top end of the sleeve 42, so as to avoid the slide rod 43 from coming out of the sleeve 42. Through the cooperation of the sleeve 42 and the slide rod 43, the annular cylinder 13 is hung below the drilling motor 10, and at the same time, the annular cylinder 13 can be relatively lifted by a proper distance when the bottom end of the annular cylinder 13 contacts the obstacle.

[0028] The buckle butt joint mechanism comprises an upper butt joint column 45 and a lower butt joint column 46, wherein the upper butt joint column 45 is fixed on the bottom end of the mounting plate 11 by bolts, and the lower butt joint column 46 is fixed on the top end of the drill bit 12 by bolts. The bottom end of the upper butt joint column 45 is fixed with an embedded square block 47, and the top end of the lower butt joint column 46 is provided with an embedded groove which is matched with the embedded square block 47. The outer walls of the left and right sides of the upper butt joint column 45 are both fixed with L-shaped clamping blocks 48 by bolts. The L-shaped clamping blocks 48 are slidably penetrated with elastic latches 49 which have a springback reset function. The outer walls of the left and right sides of the lower butt joint column 46 are both provided with insertion holes 50 which are matched with the elastic latches 49. The upper butt joint column 45 and the lower butt joint column 46 are fixed by inserting the elastic latches 49 into the insertion holes 50. The inside of the L-shaped clamping block 48 is provided with an air slot 51. The side of the elastic latch 49 located in the air slot 51 is fixed with a spring sheet 52. A limiting spring is fixed between the inner wall of the side of the air slot 51 away from the upper butt joint column 45 and the spring sheet 52. The limiting spring provides elastic ejection force for the spring sheet 52, so that the elastic latch 49 has the function of automatic springback.

[0029] When the circuit board raw material needs to be drilled, first, the circuit board raw material to be drilled is placed on the top end of the positioning table 3, then the first positioning plate 5 is driven by the first cylinder 4 to move towards the front and back, until the front and back of the circuit board raw material is limited, at the same time, the second positioning plate 7 is driven by the second cylinder 6 to move towards the left and right, until the left and right of the circuit board raw material is limited, and the left and right edges of the circuit board raw material are clamped and fixed by the auxiliary limiting mechanism, that is, the fixing and limiting work before the circuit board raw material processing is completed. After the circuit board raw material is fixed, the Y-axis linear module 40 is driven by the X-axis linear module 39 to move left and right to the appropriate position, and the translation plate 8 is driven by the Y-axis linear module 40 to move forward and backward to the appropriate position, until the drill bit 12 is moved to the top of the circuit board raw material to be drilled, then the drill motor 10 is started to drive the mounting plate 11 to rotate the drill bit 12, at the same time, the hydraulic cylinder 9 is started to drive the drill motor 10 to drive the drill bit 12 to descend, until it contacts the circuit board raw material and realizes drilling, after the drilling at the current position is completed, the hydraulic cylinder 9 is started to drive the drill motor 10 to rise and reset, and the above steps are repeated to continue drilling at the next position. During the drilling process, the air blower 15 is started to blow high-speed air inside the annular cylinder 13, and the high-speed airflow in the annular cylinder 13 is blown to the drill bit 12 from the air blowing hole 16, to achieve heat dissipation and cooling while blowing off the dust remaining on the surface of the drill bit 12, and the dust blower 19 is started to drive the dust suction cover 17 to suck the smoke and dust inside the protective cover 2 into the first dust suction pipe 18, and then sequentially filtered and purified by the cyclone dust removal tank 23, the electrostatic dust removal box 25 and the filter membrane bag 26, to realize environmental protection treatment of smoke and dust. When the drill bit 12 needs to be disassembled and replaced after a long time of use, the buckle docking mechanism is released to lock and dock the mounting plate 11 and the drill bit 12, so that the drill bit 12 can be directly removed, and the quick disassembly is completed, when installing, the new drill bit 12 is locked and docked at the bottom end of the mounting plate 11 by the buckle docking mechanism, so that the quick installation is completed, and the quick disassembly and assembly of the drill bit 12 is realized.

[0030] The basic principles, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application, and various changes and improvements can be made without departing from the spirit and scope of the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A circuit board processing system with high-efficiency dust removal function, comprising a processing table (1) and a protective cover (2), characterized in that: The machining table (1) top is fixed with a positioning table (3), the positioning table (3) is equipped with adsorption positioning mechanism, the positioning table (3) front and rear sides are equipped with the first school position board (5) that is driven displacement through the first cylinder (4), the positioning table (3) left and right sides are equipped with the second school position board (7) that is driven displacement through the second cylinder (6), the second school position board (7) is equipped with auxiliary limiting mechanism; The positioning table (3) top is equipped with the translation plate (8) that is driven displacement through the translation adjustment mechanism, the translation plate (8) bottom is connected with the drilling motor (10) through the hydraulic cylinder (9), the drilling motor (10) output is fixed with the mounting plate (11), the mounting plate (11) bottom is detachably installed with the drill bit (12) through the buckle butt joint mechanism, the drilling motor (10) below is hung with the annular cylinder (13), the annular cylinder (13) both sides outer wall is connected with the dust extractor (15) through the air conveying hose (14), the annular cylinder (13) four sides inner wall is all set up with the air blowing hole (16) that communicates with the air conveying hose (14). The dust cover (2) inside rear side symmetry is equipped with dust cover (17), the dust cover (17) rear side is fixed with the first dust extraction pipe (18) that penetrates to the dust cover (2) outside, the first dust extraction pipe (18) is installed with dust removal fan (19), the first dust extraction pipe (18) is connected with the composite dust removal assembly at the one end of dust cover (2) outside.

2. The circuit board processing system with high-efficiency dust removal function according to claim 1, characterized in that: The adsorption positioning mechanism includes the cavity (20) that is set up in the positioning table (3) inside and the adsorption plate (21) that is embedded and fixed in the positioning table (3) top, the adsorption plate (21) is set up with the adsorption hole that is arrayed distribution, the adsorption plate (21) and the cavity (20) are spaced with the dust screen, the machining table (1) inside is fixed with the vacuum pump (22), the vacuum pump (22) input air inlet penetrates to the cavity (20) inside.

3. The circuit board processing system with high-efficiency dust removal function according to claim 1, characterized in that: The composite dust removal assembly includes the cyclone dust removal tank (23) that is connected with the first dust extraction pipe (18) and the electrostatic dust removal box (25) that is connected with the cyclone dust removal tank (23) through the second dust extraction pipe (24), the electrostatic dust removal box (25) is detachably installed with the filter membrane bag (26) on the side away from the dust cover (2).

4. The circuit board processing system with high efficiency dust removal function according to claim 3, characterized in that: The cyclone dust removal tank (23) bottom is fixed with the conical hopper pipe (27), the conical hopper pipe (27) bottom is installed with the dust collection box (28), the cyclone dust removal tank (23) top penetrates and is fixed with the air outlet pipe (29) that is connected with the second dust extraction pipe (24), the first dust extraction pipe (18) is tangentially penetrated to the cyclone dust removal tank (23) inside and makes dust-containing gas tangentially enter the cyclone dust removal tank (23) at the end away from the dust cover (2).

5. The circuit board processing system with high efficiency dust removal function according to claim 3, characterized in that: The electrostatic dust removal box (25) is internally fixed with an electrostatic dust removal net (30) with vibration function, an opening is arranged at the bottom end of the electrostatic dust removal box (25) below the electrostatic dust removal net (30), a dust collection groove is arranged at the bottom end of the electrostatic dust removal box (25) below the electrostatic dust removal net (30), an exhaust pipe (31) is fixed on the side of the electrostatic dust removal box (25) close to the filter membrane bag (26), and an exhaust fan is internally fixed in the exhaust pipe (31).

6. The circuit board processing system with high efficiency dust removal function according to claim 5, characterized in that: The filter membrane bag (26) is fixed with a butt joint ring (32) matched with the exhaust pipe (31) at one end close to the electrostatic dust removal box (25), a sealing rubber ring is embedded between the exhaust pipe (31) and the butt joint ring (32), first semicircular threaded columns (33) are fixed on the outer walls of the upper and lower sides of the exhaust pipe (31), second semicircular threaded columns (34) are fixed on the outer walls of the upper and lower sides of the butt joint ring (32), and nut rings (35) are threadedly sleeved on the first semicircular threaded columns (33) and the second semicircular threaded columns (34).

7. The circuit board processing system with high-efficiency dust removal function according to claim 1, characterized in that: The auxiliary limiting mechanism comprises a third air cylinder (36) fixed on the second positioning plate (7) and a movable pressing plate (37) fixed on the output end of the third air cylinder (36), and the lower part of the outer wall of the side of the second positioning plate (7) close to the positioning table (3) is fixed with a fixed pressing plate (38) matched with the movable pressing plate (37).

8. The circuit board processing system with high efficiency dust removal function according to claim 1, characterized in that: The translation adjusting mechanism comprises an X-axis linear module (39) fixed on the inner top end of the protective cover (2) and a Y-axis linear module (40) fixed on the output end of the X-axis linear module (39), and the translation plate (8) is fixed on the output end of the Y-axis linear module (40).

9. The circuit board processing system with high efficiency dust removal function according to claim 1, characterized in that: The outer walls of the two sides of the annular barrel (13) are fixed with fixed blocks (41), the top ends of the fixed blocks (41) are fixed with sleeve pipes (42), the bottom ends of the drilling motors (10) are fixed with slide rods (43) in a symmetrical mode, and the bottom ends of the slide rods (43) are slidably penetrated into the sleeve pipes (42) and fixed with stop blocks (44).

10. The circuit board processing system with high efficiency dust removal function according to claim 1, characterized in that: The buckle butt joint mechanism comprises an upper butt joint column (45) fixed on the bottom end of the mounting plate (11) and a lower butt joint column (46) fixed on the top end of the drill bit (12), the bottom end of the upper butt joint column (45) is fixed with an embedded square block (47), the top end of the lower butt joint column (46) is provided with an embedded groove matched with the embedded square block (47), the outer walls of the two sides of the upper butt joint column (45) are fixed with L-shaped clamping blocks (48), the L-shaped clamping blocks (48) are slidably penetrated with elastic latches (49), the outer wall of the lower butt joint column (46) is provided with a plug hole (50) matched with the elastic latches (49), the inner wall of the L-shaped clamping block (48) is provided with a groove (51), the side of the elastic latch (49) located in the groove (51) is fixedly sleeved with a spring sheet (52), and a limiting spring is fixed between the inner wall of the side of the groove (51) away from the upper butt joint column (45) and the spring sheet (52).

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