CN113084585B - Self-cleaning drilling device for circuit board - Google Patents

Self-cleaning drilling device for circuit board Download PDF

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Publication number
CN113084585B
CN113084585B CN202110424085.6A CN202110424085A CN113084585B CN 113084585 B CN113084585 B CN 113084585B CN 202110424085 A CN202110424085 A CN 202110424085A CN 113084585 B CN113084585 B CN 113084585B
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China
Prior art keywords
circuit board
wall
frame
drilling
self
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CN202110424085.6A
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Chinese (zh)
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CN113084585A (en
Inventor
韩传贵
孙建
荆爱莲
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Qingdao Huiyuan Haitai Electronics Co ltd
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Qingdao Huiyuan Haitai Electronics Co ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
    • B23Q11/0042—Devices for removing chips
    • B23Q11/0046—Devices for removing chips by sucking
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B41/00—Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
    • B23Q5/22—Feeding members carrying tools or work
    • B23Q5/34—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission
    • B23Q5/38—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission feeding continuously
    • B23Q5/40—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission feeding continuously by feed shaft, e.g. lead screw
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
    • B23Q7/003—Cyclically moving conveyors

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)

Abstract

The invention discloses a self-cleaning drilling device for a circuit board, and relates to the technical field of circuit board processing. According to the invention, the first flexible hemispherical shell carries out flexible sealing treatment on the outer side of the drill bit, so that the stability of the circuit board in the drilling processing process is better, the first flexible hemispherical shell carries out sealing protection on the outer side of the drill hole in the drilling processing process, fragments can be effectively prevented from splashing, the piston plate moves upwards along the guide frame to generate negative pressure suction, the fragment waste materials on the outer side of the circuit board move downwards under the action of the suction force and enter the waste material collection box, the self-cleaning treatment on the fragment waste materials can be effectively realized, the circuit board can be effectively prevented from being damaged, the space on the upper part of the inner side of the second flexible hemispherical shell is larger, the gathering effect on the fragment waste materials is better, and the fragment waste materials are easier to fall down after the drilling processing is finished.

Description

Self-cleaning drilling device for circuit board
Technical Field
The invention relates to the technical field of circuit board processing, in particular to a self-cleaning drilling device for a circuit board.
Background
The circuit board has the name: ceramic circuit board, alumina ceramic circuit board, aluminum nitride ceramic circuit board, PCB board, aluminum substrate, high frequency board, thick copper board, impedance board, PCB, ultra-thin circuit board, printed (copper etching technology) circuit board, etc. The circuit board enables the circuit to be miniaturized and visualized, and plays an important role in batch production of fixed circuits and optimization of electric appliance layout. Circuit boards are commonly used in home appliances. The circuit board is mainly composed of a bonding pad, a through hole, a mounting hole, a lead, a component, a connector assembly, filling, an electrical boundary and the like. Wherein, the bonding pad: the metal holes are used for welding pins of the components; and (3) via hole: the device comprises a metal through hole and a nonmetal through hole, wherein the metal through hole is used for connecting pins of components between all layers; mounting holes: used for fixing the circuit board; conducting wires: the electric network copper film is used for connecting pins of the components; connector assembly: the components are used for connecting the circuit boards; filling: the copper clad used for the ground wire network can effectively reduce the impedance; electrical boundary: for determining the size of the circuit board, all components on the circuit board cannot exceed the boundary. The via holes and the mounting holes on the circuit board are processed by drilling equipment.
The drilling device for the existing circuit board has the advantages that in the drilling process, fragments generated by drilling easily splash, cleaning treatment is inconvenient, and the splashed fragments easily damage the circuit board.
Disclosure of Invention
The present invention is directed to a self-cleaning drilling apparatus for a circuit board, so as to solve the problems of the background art.
In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides a self-cleaning formula drilling equipment for circuit board, includes the frame, the frame top is equipped with the support frame, the frame top in the support frame below is equipped with the carriage, the carriage is including rotating first backing roll and the second backing roll of connecting, first backing roll with second backing roll outer wall both ends symmetrical sleeve is equipped with the conveyer belt, the support frame bottom is in two be equipped with a plurality of drilling frame between the conveyer belt, the carriage in the frame outside is equipped with first servo motor, first servo motor with first backing roll is connected.
Further, a flexible pad is arranged on one side, adjacent to the outer walls of the two conveying belts, a clamping groove is formed in the center of the outer wall of the flexible pad, the drilling frame comprises a second servo motor, a supporting plate is horizontally arranged on the outer wall of the second servo motor, servo electric cylinders are symmetrically arranged on the top of the supporting plate and outside the second servo motor, the top of each servo electric cylinder is fixedly connected with the top of the inner wall of the supporting frame, a supporting rod is vertically arranged below the supporting plate through an output shaft of the second servo motor, a ball screw is arranged at the bottom of the supporting rod, a drill bit is arranged at the bottom of the ball screw, a movably connected sleeve is sleeved on the outer wall of the supporting rod, a first flexible hemispherical shell is arranged on the outer side of the ball screw at the bottom of the outer wall of the sleeve, a first spring is arranged at the top of the sleeve, a supporting ring is arranged at the top of the first spring, and a supporting plate is arranged at the top of the supporting rod, the support ring is rotatably connected with the bottom of the support plate, the outer wall of the ball screw is sleeved with a movably connected screw nut in a matching manner, the bottom of the outer wall of the screw nut is provided with a second flexible hemispherical shell outside the drill bit, the top of the outer wall of the screw nut is provided with a plurality of second springs, the tops of the second springs are fixedly connected with the bottom of the support rod, the bottom of the inner wall of the second flexible hemispherical shell is provided with a guide ring, the cross section of the guide ring is of an arc-shaped structure with a narrow top and a wide bottom, the bottom of the rack is provided with a scrap collecting box in the drilling frame, one side of the top of the outer wall of the scrap collecting box is provided with a plurality of vent holes, the outer wall of the scrap collecting box is provided with a guide frame outside the vent holes, the bottom of the outer wall of the support plate is provided with a piston plate matched with the guide frame, the bottom of the piston plate extends into the guide frame, and the top of the rack is provided with first grooves below two conveyer belts, the bottom of the first groove is provided with a plurality of second grooves, and a material guide groove is arranged between the bottom of each second groove and the waste collecting box.
Furthermore, the height of the first flexible hemispherical shell is larger than the sum of the heights of the ball screw and the drill bit, so that the first flexible hemispherical shell is ensured to be firstly contacted with the circuit board before the drill bit is contacted with the circuit board, and further, the fragments are ensured not to splash outwards.
Furthermore, the height of the second flexible hemispherical shell is larger than that of the drill bit, so that the drill bit can be completely covered by the second flexible hemispherical shell, and the splash of chips generated by drilling is prevented.
Furthermore, the inner diameter of the bottom of the guide ring is larger than the outer diameter of the drill bit, and the outer diameter of the drill bit is equal to two thirds of the inner diameter of the bottom of the guide ring, so that the guide support effect of the guide ring on the chips can be further ensured, and the chips are prevented from splashing.
Furthermore, second servo motor outer wall is equipped with fixed cover, fixed cover with backup pad fixed connection, fixed cover carry out fixed stay to second servo motor, can effectively strengthen second servo motor's stability.
Further, the bottom of the rack is provided with a plurality of support columns, the outer walls of the support columns are provided with fixing plates at the bottoms of the waste collection boxes, the support columns support the rack, the mounting positions of the waste collection boxes are improved, the fixing plates fixedly support the waste collection boxes, and the stability of the waste collection boxes is guaranteed.
Furthermore, the first groove and the second groove are both spherical bottom type grooves, the inner diameter of the top of the guide chute is equal to the inner diameter of the bottom of the guide chute, the inner diameter of the bottom of the guide chute is larger than the inner diameter of the middle of the guide chute, the inner diameter of the top of the guide chute is smaller than the inner diameter of the second groove, the spherical bottom type grooves enable the scrap waste to fall downwards easily, the scrap waste collecting effect is better, the guide chute is designed to be large in caliber at two ends and small in caliber at the middle, and the inner diameter of the top of the guide chute is smaller than the inner diameter of the second groove, so that the blanking effect of the scrap waste inside the second groove is better, and the upward movement of the scrap waste inside the scrap collecting box from the guide chute can be effectively prevented.
Furthermore, one side of the outer wall bottom of the waste collection box is provided with a sealing plate which is movably connected, the sealing plate is used for sealing the waste collection box, and the sealing plate is opened to clean the scrap waste inside the waste collection box.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention is provided with a frame, a support frame, a conveying frame, a drilling frame, a first flexible hemispherical shell, a waste material collecting box, an air vent, a guide frame and a piston plate, wherein the conveying frame is used for clamping and conveying a circuit board, a servo electric cylinder is extended to push down a support plate, the support plate drives a second servo motor and the piston plate to move downwards, the first flexible hemispherical shell moves downwards along with a sleeve, the first flexible hemispherical shell is used for flexibly sealing the outer side of a drill bit, the piston plate moves downwards along the guide frame, the piston plate inflates and pressurizes the waste material collecting box through the guide frame and the air vent, air pressure moves towards the circuit board through a guide groove, a second groove and the first groove and can push the circuit board upwards, so that the stability of the circuit board in the drilling process is better, the sealing effect of the first flexible hemispherical shell and the circuit board is better, and the second servo motor drives a support rod to rotate, the drill bit is handled the circuit board processing of driling, in the drilling course of working, protection is sealed to the drilling outside to first flexible hemisphere shell, can effectively avoid the piece to splash, after drilling processing is accomplished, servo electric jar drives backup pad upward movement, first spring is kick-backed, first flexible hemisphere shell is still sealed the circuit board drilling outside, the backup pad drives piston board upward movement, the piston board is along the leading truck upward movement, the accessible blow vent is to the inside negative pressure suction that produces of garbage collection box, the piece waste material in the circuit board outside receives suction effect downstream, enter into inside the garbage collection box, can effectively realize the automatically cleaning of piece waste material and handle, can effectively avoid the circuit board impaired.
2. According to the invention, the screw nut, the second flexible hemispherical shell, the second spring and the guide ring are arranged, the ball screw rotates along with the support rod, the ball screw and the screw nut work cooperatively, so that the screw nut moves downwards along the ball screw, the second flexible hemispherical shell moves downwards along with the screw nut, the second flexible hemispherical shell can be directly covered on the outer side of the drill bit, the second flexible hemispherical shell carries out sealing treatment on the circuit board on the outer side of the drill bit, the anti-splashing treatment on the scrap waste can be further enhanced, the safety performance is better, the scrap waste is collected more intensively, the cross section of the guide ring is of an arc structure with a narrow top and a wide bottom, the distance between the bottom of the second flexible hemispherical shell and the drill bit is closer, the protective effect on the scrap waste is better, meanwhile, the space at the upper part of the inner side of the second flexible hemispherical shell is larger, and the scrap collecting and gathering effect is better, so that the scrap pieces can fall down more easily after the drilling process is completed.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a front view of the present invention in its entirety;
FIG. 2 is a front sectional view of the present invention as a whole;
FIG. 3 is an enlarged schematic view at A of FIG. 2 of the present invention;
FIG. 4 is an enlarged schematic view of the invention at B of FIG. 2;
FIG. 5 is an enlarged schematic view of the invention at C of FIG. 2;
FIG. 6 is a front sectional view of the carriage of the present invention;
FIG. 7 is a front view of a first flexible hemispherical shell of the present invention;
FIG. 8 is a front view of a second flexible hemispherical shell of the present invention;
in the figure: 1. a frame; 2. a support frame; 3. a conveying frame; 4. a first support roller; 5. a second support roller; 6. a conveyor belt; 7. drilling a hole frame; 8. a first servo motor; 9. a flexible pad; 10. a clamping groove; 11. a second servo motor; 12. a support plate; 13. a servo electric cylinder; 14. a support bar; 15. a ball screw; 16. a drill bit; 17. a sleeve; 18. a first flexible hemispherical shell; 19. a first spring; 20. a support ring; 21. a support disc; 22. a feed screw nut; 23. a second flexible hemispherical shell; 24. a second spring; 25. a guide ring; 26. a waste collection tank; 27. a vent; 28. a guide frame; 29. a piston plate; 30. a first groove; 31. a second groove; 32. a material guide chute; 33. fixing a sleeve; 34. a support pillar; 35. a fixing plate; 36. and (7) sealing the plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-4 and fig. 6-7, the self-cleaning drilling device for the circuit board comprises a frame 1, wherein a support frame 2 is arranged at the top of the frame 1, a conveying frame 3 is arranged at the top of the frame 1 below the support frame 2, the conveying frame 3 comprises a first support roller 4 and a second support roller 5 which are rotatably connected, conveying belts 6 are symmetrically sleeved at two ends of the outer walls of the first support roller 4 and the second support roller 5, a plurality of drilling frames 7 are arranged between the two conveying belts 6 at the bottom of the support frame 2, a first servo motor 8 is arranged at the outer side of the frame 1 of the conveying frame 3, the first servo motor 8 is connected with the first support roller 4, a flexible pad 9 is arranged at one side adjacent to the outer walls of the two conveying belts 6, a clamping groove 10 is arranged at the center of the outer wall of the flexible pad 9, and the drilling frames 7 comprise a second servo motor 11, a supporting plate 12 is horizontally arranged on the outer wall of the second servo motor 11, servo electric cylinders 13 are symmetrically arranged at the top of the supporting plate 12 and positioned on the outer side of the second servo motor 11, the top of each servo electric cylinder 13 is fixedly connected with the top of the inner wall of the supporting frame 2, a supporting rod 14 is vertically arranged below the supporting plate 12 on the output shaft of the second servo motor 11, a ball screw 15 is arranged at the bottom of the supporting rod 14, a drill bit 16 is arranged at the bottom of the ball screw 15, a movably connected sleeve 17 is sleeved on the outer wall of the supporting rod 14, a first flexible hemispherical shell 18 is arranged at the bottom of the outer wall of the sleeve 17 and positioned on the outer side of the ball screw 15, a first spring 19 is arranged at the top of the sleeve 17, a supporting ring 20 is arranged at the top of the first spring 19, a supporting plate 21 is arranged at the top of the supporting rod 14, the supporting ring 20 is rotatably connected with the bottom of the supporting plate 21, and a waste collecting box 26 is arranged at the bottom of the frame 1 and positioned on the drilling frame 7, a plurality of vent holes 27 are formed in one side of the top of the outer wall of the waste collection box 26, guide frames 28 are arranged on the outer side of the vent holes 27 on the outer wall of the waste collection box 26, piston plates 29 matched with the guide frames 28 are arranged at the bottom of the outer wall of the supporting plate 12, the bottoms of the piston plates 29 extend into the guide frames 28, first grooves 30 are formed below the two conveying belts 6 at the top of the rack 1, a plurality of second grooves 31 are formed in the bottoms of the first grooves 30, and guide grooves 32 are formed between the bottoms of the second grooves 31 and the waste collection box 26.
The height of the first flexible hemispherical shell 18 is greater than the sum of the heights of the ball screw 15 and the drill bit 16, so that the first flexible hemispherical shell 18 can be firstly contacted with a circuit board before the drill bit 16 is contacted with the circuit board, and further, the chips are prevented from splashing outwards.
Second servo motor 11 outer wall is equipped with fixed cover 33, fixed cover 33 with backup pad 12 fixed connection, fixed cover 33 carries out fixed stay to second servo motor 11, can effectively strengthen second servo motor 11's stability.
The bottom of the rack 1 is provided with a plurality of supporting columns 34, the outer walls of the supporting columns 34 are provided with fixing plates 35 at the bottoms of the waste collection boxes 26, the supporting columns 34 support the rack 1 to improve the installation position of the waste collection boxes 26, and the fixing plates 35 fixedly support the waste collection boxes 26 to ensure the stability of the waste collection boxes 26.
The first groove 30 and the second groove 31 are both ball-bottom type grooves, the inner diameter of the top of the guide chute 32 is equal to the inner diameter of the bottom of the guide chute 32, the inner diameter of the bottom of the guide chute 32 is larger than the inner diameter of the middle of the guide chute 32, the inner diameter of the top of the guide chute 32 is smaller than the inner diameter of the second groove 31, the ball-bottom type grooves enable the scrap scraps to fall downwards easily, the scrap collecting effect is better, the guide chute 32 is designed to be large in caliber at two ends and small in caliber at the middle, and the inner diameter of the top of the guide chute 32 is smaller than the inner diameter of the second groove 31, so that the blanking effect of the scrap scraps inside the second groove 31 is better, and the scrap scraps inside the scrap collecting box 26 can be effectively prevented from moving upwards from the guide chute 32.
Furthermore, a movably connected sealing plate 36 is arranged on one side of the bottom of the outer wall of the waste collection box 26, the sealing plate 36 seals the waste collection box 26, and the sealing plate 36 is opened to clean the scrap waste inside the waste collection box 26.
The implementation mode specifically comprises the following steps: when the flexible circuit board drilling machine is used, the circuit board is placed inside the clamping groove 10 through the arrangement of the rack 1, the support frame 2, the conveying frame 3, the drilling frame 7, the first flexible hemispherical shell 18, the waste material collecting box 26, the vent 27, the guide frame 28 and the piston plate 29, the first servo motor 8, the second servo motor 11 and the servo electric cylinder 13 are started, the first servo motor 8 drives the first support roller 4 to rotate, the first support roller 4 and the second support roller 5 are matched with each other to realize the rotary motion of the conveying belt 6, the flexible pad 9 on the conveying belt 6 clamps and conveys the circuit board inside the clamping groove 10, the servo electric cylinder 13 extends to push the support plate 12 downwards, the support plate 12 drives the second servo motor 11 and the piston plate 29 to move downwards, the support rod 14, the ball screw 15 and the drill bit 16 move downwards along with the second servo motor 11, the sleeve 17 moves downwards along with the support rod 14, the first flexible hemispherical shell 18 moves downwards along with the sleeve 17, when the bottom of the first flexible hemispherical shell 18 contacts the surface of the circuit board, the first flexible hemispherical shell 18 supports the sleeve 17, the support rod 14 continues to move downwards, the first spring 19 is compressed, the first flexible hemispherical shell 18 flexibly seals the outer side of the drill bit 16, the piston plate 29 moves downwards along the guide frame 28, the piston plate 29 inflates and pressurizes the waste material collection box 26 through the guide frame 28 and the vent 27, the air pressure moves towards the circuit board through the guide groove 32, the second groove 31 and the first groove 30 to push the circuit board upwards, so that the stability of the circuit board in the drilling process is better, the first flexible hemispherical shell 18 has a better sealing effect with the circuit board, the second servo motor 11 drives the support rod 14 to rotate, the support rod 14 drives the drill bit 16 to rotate, the support ring 20 rotates along the support plate 21, and the drill bit 16 performs the drilling process on the circuit board, in the drilling process, the first flexible hemispherical shell 18 is used for sealing and protecting the outer side of a drilled hole, fragment splashing can be effectively avoided, after the drilling process is completed, the servo electric cylinder 13 drives the support plate 12 to move upwards, the first spring 19 rebounds, the first flexible hemispherical shell 18 still seals the outer side of the drilled hole of the circuit board, the support plate 12 drives the piston plate 29 to move upwards, the piston plate 29 moves upwards along the guide frame 28, negative pressure suction can be generated inside the waste collection box 26 through the air vent 27, fragment waste materials on the outer side of the circuit board move downwards under the action of suction, the fragment waste materials firstly enter the first groove 30, then enter the second groove 31 from the first groove 30, and finally enter the waste collection box 26 from the guide groove 32, self-cleaning treatment on the fragment waste materials can be effectively realized, and damage to the circuit board can be effectively avoided.
As shown in fig. 2, fig. 5 and fig. 8, the self-cleaning drilling device for the circuit board further includes a screw nut 22 movably sleeved on the outer wall of the ball screw 15 in a matching manner, a second flexible hemispherical shell 23 is arranged at the bottom of the outer wall of the screw nut 22 and outside the drill bit 16, a plurality of second springs 24 are arranged at the top of the outer wall of the screw nut 22, the top of each second spring 24 is fixedly connected with the bottom of the support rod 14, a guide ring 25 is arranged at the bottom of the inner wall of the second flexible hemispherical shell 23, and the cross section of the guide ring 25 is of an arc structure with a narrow top and a wide bottom.
The height of the second flexible hemispherical shell 23 is greater than that of the drill bit 16, so that the drill bit 16 can be completely covered by the second flexible hemispherical shell 23, and the splash of the debris generated by drilling is prevented.
The inner diameter of the bottom of the guide ring 25 is larger than the outer diameter of the drill bit 16, and the outer diameter of the drill bit 16 is equal to two thirds of the inner diameter of the bottom of the guide ring 25, so that the guide and support effect of the guide ring 25 on the chips can be further ensured, and the chips are prevented from splashing.
The implementation mode is specifically as follows: when the flexible drill bit is used, by arranging the screw nut 22, the second flexible hemispherical shell 23, the second spring 24 and the guide ring 25, when the support rod 14 rotates, the ball screw 15 rotates along with the support rod 14, the ball screw 15 and the screw nut 22 work in a matching manner, the screw nut 22 moves downwards along the ball screw 15, the second spring 24 is elongated, the second flexible hemispherical shell 23 moves downwards along with the screw nut 22, the second flexible hemispherical shell 23 can be directly covered on the outer side of the drill bit 16, the second flexible hemispherical shell 23 seals the circuit board on the outer side of the drill bit 16, the anti-splashing treatment on the scrap scraps can be further enhanced, the safety performance is better, the scrap scraps are collected more intensively, the second spring 24 rebounds after the drilling processing is finished, the guide ring 25 guides the scrap scraps on the inner wall of the second flexible hemispherical shell 23, the cross section of the guide ring 25 is in an arc-shaped structure with a narrow upper part and a wide part, the distance of second flexible hemisphere shell 23 bottom and drill bit 16 is closer for the protective effect to piece waste material is better, makes the space on the inboard upper portion of second flexible hemisphere shell 23 bigger simultaneously, gathers together the effect better to piece waste material collection, makes the piece waste material after the drilling processing accomplish more easily to whereabouts.
The working principle of the invention is as follows:
referring to the attached drawings 1-4 and 6-7 of the specification, by arranging the rack 1, the support frame 2, the conveying frame 3, the drilling frame 7, the first flexible hemispherical shell 18, the waste collecting box 26, the vent 27, the guide frame 28 and the piston plate 29, the conveying frame 3 clamps and conveys the circuit board, the first flexible hemispherical shell 18 carries out flexible sealing treatment on the outer side of the drill bit 16, the piston plate 29 inflates and pressurizes the waste collecting box 26 through the guide frame 28 and the vent 27, the circuit board is jacked upwards by air pressure, so that the stability of the circuit board in the drilling processing process is better, the first flexible hemispherical shell 18 carries out sealing protection on the outer side of the drill hole in the drilling processing process, the splashing of chips can be effectively avoided, the piston plate 29 moves upwards along the guide frame 28 to generate negative pressure suction, the chips on the outer side of the circuit board move downwards under the action of the suction, and enter the waste collecting box 26, the self-cleaning treatment of the scrap waste can be effectively realized, and the damage of the circuit board can be effectively avoided.
Referring to the specification attached figure 2, the attached figure 5 and the attached figure 8, through setting up screw nut 22, second flexible hemisphere shell 23, second spring 24 and guide ring 25, ball screw 15 rotates along with bracing piece 14, second flexible hemisphere shell 23 can directly cover the outside at drill bit 16, can further strengthen the processing of preventing splashing to the piece waste, the security performance is better, the distance of second flexible hemisphere shell 23 bottom and drill bit 16 is closer, make the guard effect to the piece waste better, make the space on the inboard upper portion of second flexible hemisphere shell 23 bigger simultaneously, it is better to gather together the effect to the piece waste collection, make the piece waste after drilling processing accomplish more easily to whereabouts.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (9)

1. The utility model provides a self-cleaning formula drilling equipment for circuit board, includes frame (1), its characterized in that: the automatic drilling machine is characterized in that a support frame (2) is arranged at the top of the frame (1), a conveying frame (3) is arranged below the support frame (2) at the top of the frame (1), the conveying frame (3) comprises a first support roller (4) and a second support roller (5) which are rotatably connected, conveying belts (6) are symmetrically sleeved at two ends of the outer wall of the first support roller (4) and the outer wall of the second support roller (5), a plurality of drilling frames (7) are arranged between the two conveying belts (6) at the bottom of the support frame (2), a first servo motor (8) is arranged on the outer side of the frame (1) of the conveying frame (3), and the first servo motor (8) is connected with the first support roller (4); two conveyer belt (6) outer wall adjacent one side is equipped with flexible pad (9), flexible pad (9) outer wall center is equipped with centre gripping groove (10), drilling frame (7) are including second servo motor (11), second servo motor (11) outer wall level is equipped with backup pad (12), backup pad (12) top in second servo motor (11) outside symmetry is equipped with servo electric jar (13), servo electric jar (13) top with support frame (2) inner wall top fixed connection, second servo motor (11) output shaft in backup pad (12) below is vertical to be equipped with bracing piece (14), bracing piece (14) bottom is equipped with ball screw (15), ball screw (15) bottom is equipped with drill bit (16), bracing piece (14) outer wall cover is equipped with swing joint's sleeve (17), sleeve (17) outer wall bottom in ball screw (15) outside is equipped with first flexible hemisphere shell (18) The drilling tool is characterized in that a first spring (19) is arranged at the top of the sleeve (17), a supporting ring (20) is arranged at the top of the first spring (19), a supporting plate (21) is arranged at the top of the supporting rod (14), the supporting ring (20) is rotatably connected with the bottom of the supporting plate (21), a screw nut (22) which is movably connected with the outer wall of the ball screw (15) in a matching and sleeving manner is arranged on the outer wall of the ball screw, a second flexible hemispherical shell (23) is arranged at the bottom of the outer wall of the screw nut (22) and positioned on the outer side of the drill bit (16), a plurality of second springs (24) are arranged at the top of the outer wall of the screw nut (22), the top of each second spring (24) is fixedly connected with the bottom of the supporting rod (14), a guide ring (25) is arranged at the bottom of the inner wall of the second flexible hemispherical shell (23), the cross section of the guide ring (25) is of an arc-shaped structure which is narrow at the upper part and wide at the lower part, and a waste collection box (26) is arranged at the bottom of the drilling frame (7), waste collection box (26) outer wall top one side is equipped with a plurality of blow vent (27), waste collection box (26) outer wall in the blow vent (27) outside is equipped with leading truck (28), backup pad (12) outer wall bottom be equipped with leading truck (28) assorted piston board (29), piston board (29) bottom extends to inside leading truck (28), frame (1) top is in two conveyer belt (6) below is equipped with first recess (30), first recess (30) bottom is equipped with a plurality of second recess (31), second recess (31) bottom with be equipped with baffle box (32) between waste collection box (26).
2. A drilling apparatus for a self-cleaning circuit board as claimed in claim 1, wherein: the height of the first flexible hemispherical shell (18) is greater than the sum of the heights of the ball screw (15) and the drill bit (16).
3. A drilling apparatus for a self-cleaning circuit board as claimed in claim 1, wherein: the height of the second flexible hemispherical shell (23) is greater than that of the drill bit (16).
4. A drilling apparatus for a self-cleaning circuit board as claimed in claim 1, wherein: the inner diameter of the bottom of the guide ring (25) is larger than the outer diameter of the drill bit (16), and the outer diameter of the drill bit (16) is equal to two thirds of the inner diameter of the bottom of the guide ring (25).
5. A drilling apparatus for a self-cleaning circuit board as claimed in claim 1, wherein: the outer wall of the second servo motor (11) is provided with a fixing sleeve (33), and the fixing sleeve (33) is fixedly connected with the supporting plate (12).
6. A drilling apparatus for a self-cleaning circuit board as claimed in claim 1, wherein: the waste collecting device is characterized in that a plurality of supporting columns (34) are arranged at the bottom of the rack (1), and fixing plates (35) are arranged on the outer walls of the supporting columns (34) at the bottom of the waste collecting box (26).
7. A drilling apparatus for a self-cleaning circuit board as claimed in claim 1, wherein: the first groove (30) and the second groove (31) are both ball-bottom grooves, the inner diameter of the top of the guide chute (32) is equal to the inner diameter of the bottom of the guide chute (32), and the inner diameter of the bottom of the guide chute (32) is larger than the inner diameter of the middle of the guide chute (32).
8. A drilling apparatus for self-cleaning circuit boards as claimed in claim 7, wherein: the top inner diameter of the guide chute (32) is smaller than the inner diameter of the second groove (31).
9. A drilling apparatus for a self-cleaning circuit board as claimed in claim 1, wherein: and a movably connected sealing plate (36) is arranged on one side of the bottom of the outer wall of the waste collection box (26).
CN202110424085.6A 2021-04-20 2021-04-20 Self-cleaning drilling device for circuit board Active CN113084585B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110424085.6A CN113084585B (en) 2021-04-20 2021-04-20 Self-cleaning drilling device for circuit board

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Application Number Priority Date Filing Date Title
CN202110424085.6A CN113084585B (en) 2021-04-20 2021-04-20 Self-cleaning drilling device for circuit board

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CN113084585B true CN113084585B (en) 2022-08-09

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CN116532683B (en) * 2023-04-21 2024-01-26 泊头市金键模具有限责任公司 Processing equipment for automobile stamping template

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DE3615888A1 (en) * 1986-05-09 1987-11-12 Klaus Schneider Device for machining workpieces
CN105364983B (en) * 2015-10-27 2017-10-03 苏州市东亿数控有限公司 A kind of PCB drilling machines automatic filings discharging device
CN108428652B (en) * 2018-05-02 2020-06-02 江苏昊扬微电子有限公司 Drilling device and drilling method for integrated circuit board
CN108742373B (en) * 2018-07-04 2021-03-09 丁武轩 Household carpet dust removal device in flexible contact mode
CN109227742A (en) * 2018-09-13 2019-01-18 嘉善中佳电路板有限公司 A kind of printed circuit plate drilling device
CN210058521U (en) * 2019-05-13 2020-02-14 安庆华璟电子科技有限公司 Waste collecting device is used in flexible circuit board production
CN211072811U (en) * 2019-11-11 2020-07-24 泉州永春信凯机械设备有限公司 Drilling equipment is used in mechanical equipment production

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