CN104759661B - A kind of Micro-role Drilling system based on start and stop technology - Google Patents

A kind of Micro-role Drilling system based on start and stop technology Download PDF

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Publication number
CN104759661B
CN104759661B CN201510196203.7A CN201510196203A CN104759661B CN 104759661 B CN104759661 B CN 104759661B CN 201510196203 A CN201510196203 A CN 201510196203A CN 104759661 B CN104759661 B CN 104759661B
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Prior art keywords
plate
fixed
magnetic scale
air cushion
drilling
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CN201510196203.7A
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CN104759661A (en
Inventor
杨桂府
李开明
孙磊厚
杨扬
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NANTONG HAISHI SHIPPING MACHINE Co.,Ltd.
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Changzhou College of Information Technology CCIT
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B41/00Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor
    • B23B41/14Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor for very small holes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, 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
    • B23Q1/00Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
    • B23Q1/25Movable or adjustable work or tool supports
    • B23Q1/26Movable or adjustable work or tool supports characterised by constructional features relating to the co-operation of relatively movable members; Means for preventing relative movement of such members
    • B23Q1/38Movable or adjustable work or tool supports characterised by constructional features relating to the co-operation of relatively movable members; Means for preventing relative movement of such members using fluid bearings or fluid cushion supports
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, 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
    • B23Q11/00Accessories 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
    • B23Q11/0032Arrangements for preventing or isolating vibrations in parts of the machine
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, 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
    • B23Q17/00Arrangements for observing, indicating or measuring on machine tools
    • B23Q17/09Arrangements for observing, indicating or measuring on machine tools for indicating or measuring cutting pressure or for determining cutting-tool condition, e.g. cutting ability, load on tool
    • B23Q17/0952Arrangements for observing, indicating or measuring on machine tools for indicating or measuring cutting pressure or for determining cutting-tool condition, e.g. cutting ability, load on tool during machining
    • B23Q17/0966Arrangements for observing, indicating or measuring on machine tools for indicating or measuring cutting pressure or for determining cutting-tool condition, e.g. cutting ability, load on tool during machining by measuring a force on parts of the machine other than a motor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, 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
    • B23Q17/00Arrangements for observing, indicating or measuring on machine tools
    • B23Q17/10Arrangements for observing, indicating or measuring on machine tools for indicating or measuring cutting speed or number of revolutions
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, 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
    • B23Q17/00Arrangements for observing, indicating or measuring on machine tools
    • B23Q17/24Arrangements for observing, indicating or measuring on machine tools using optics or electromagnetic waves
    • B23Q17/2452Arrangements for observing, indicating or measuring on machine tools using optics or electromagnetic waves for measuring features or for detecting a condition of machine parts, tools or workpieces
    • B23Q17/2457Arrangements for observing, indicating or measuring on machine tools using optics or electromagnetic waves for measuring features or for detecting a condition of machine parts, tools or workpieces of tools
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, 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
    • B23Q17/00Arrangements for observing, indicating or measuring on machine tools
    • B23Q17/24Arrangements for observing, indicating or measuring on machine tools using optics or electromagnetic waves
    • B23Q17/248Arrangements for observing, indicating or measuring on machine tools using optics or electromagnetic waves using special electromagnetic means or methods
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B2270/00Details of turning, boring or drilling machines, processes or tools not otherwise provided for
    • B23B2270/48Measuring or detecting
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B2270/00Details of turning, boring or drilling machines, processes or tools not otherwise provided for
    • B23B2270/48Measuring or detecting
    • B23B2270/483Measurement of force

Abstract

The present invention relates to a kind of Micro-role Drilling system based on start and stop technology, including base, column, bearing, drilling sector on bearing, air cushion mechanism on base, triaxial pressure sensor, single-chip microcomputer, drilling sector includes the support shaft on bearing, rocking arm in support shaft, connecting plate in support shaft, electro spindle on connecting plate, electro spindle passes through bearing, air cushion mechanism is located at immediately below electro spindle, air cushion mechanism includes the air cushion plate on base, it is fixed on the supporting plate of air cushion plate upper surface, supporting plate upper surface is provided with groove, pressure transducer is fixed in groove, supporting plate lower surface is provided with gas circulation groove, supporting plate side is provided with the suction nozzle communicating with gas circulation groove, the passage being communicated with gas circulation groove is densely covered with air cushion plate.The present invention can improve working (machining) efficiency, reduces labor strength and technical requirements, eliminate cutting and tremble it is ensured that the surface quality in hole, real-time monitoring, controls hole depth and bit location.

Description

A kind of Micro-role Drilling system based on start and stop technology
Technical field
The present invention relates to a kind of Micro-role Drilling system based on start and stop technology, the present invention is applied to the brill to workpiece micropore Cut, be particularly suited for boring the drilling of the micro hole of Φ 0.2~1mm above spinneret, oil pump nozzle spout etc..
Background technology
Drilling is machined with higher productivity ratio and precision, and application aborning still expands continuous, Micro-role Drilling technology The research of problem nevertheless suffers from paying attention to.The mode of capillary processing at present substantially has three kinds, is electric spark respectively, and laser and machinery add Work.For Laser Processing, laser can process the very little hole of diameter, and I to 0.001mm, in crisp thin material and macromolecule The aspects such as materials processing have unrivaled superiority, but during general Laser Processing, beam quality such as hot spot is big, and the angle of divergence is big The features such as to capillary processing the form of quality one definite limitation, and laser machine that capacity usage ratio is low, the process-cycle is long, wastes money Source is serious, is not suitable with the machining of common metal part.The method minimum of spark machined can process 0.08mm diameter Micropore, but its micropore hole wall can leave recast layer, thus affecting the service life of micropore so that the hole wall surface quality of micropore Deteriorate.The prominent limitation of spark machined is:It is mainly used in processing conductive metal material, and general process velocity ratio Relatively slow, electrode is easily burnt micropore bottom, is also easy to produce processing taper.For machine drilling, as capillary processing adopt High-speed drilling machine boring, vibrating drill etc., if but machined parameters control bad, the very easy fracture of drill bit, and going out in micropore Burr can be left, this burr can affect microvia quality at mouthful.
It is often used in scientific research project, small lot batch manufacture or needs the micro- of only a few equipped with microscopical manual control drilling machine at present In hole machined.Hand feed such minute diameter drill bit, needs skilled worker to carry out manual sensation, confirms to bore with " sensation " Whether whether head up to standard etc. by whether too fast, hole the depth of blunt or brill, so the quality in hole is not easy to ensure, seriously When in addition breaking of rod head, so that workpiece is scrapped, and working (machining) efficiency be low.
Using some new little hole machined sides such as special processing technology electric spark described above, laser or electron beam process Method, is affected and is difficult to promote by crudy or production cost.And Micro-pore Drilling yet suffers from:Using manual processing, right Workman's technical requirements are high, and drill bit easily snaps off, and working (machining) efficiency is low;Workpiece is it cannot be guaranteed that perpendicularity;Slightly large-scale workpiece travelling workpiece More difficult;The speed of mainshaft is not high, and aperture is also easy to produce burr, and the surface quality in hole is not high;It is unable to precise control hole depth, peculiar part Do not reach the technical bottlenecks such as hole depth requirement.
Content of the invention
In order to solve the above problems, the invention provides a kind of Micro-role Drilling system based on start and stop technology, improve and add Work efficiency rate, reduces labor strength and technical requirements, eliminates cutting and trembles it is ensured that the perpendicularity in hole, so that big-and-middle-sized workpiece is moved Dynamic convenient, ensure the surface quality in hole using electro spindle high-speed cutting, using magnetic induction sensor, real-time monitoring, control hole depth and Bit location.
For achieving the above object, the concrete scheme of the present invention is:
A kind of Micro-role Drilling system based on start and stop technology, including base, the column being fixed on base, is fixed on column On bearing, located at the drilling sector on bearing, the air cushion mechanism on base, triaxial pressure sensor, single-chip microcomputer, drilling Mechanism includes the vertical support shaft being movably set on bearing, the rocking arm being arranged in support shaft, is fixed in support shaft Connecting plate, the vertical electro spindle being fixed on connecting plate, electro spindle passes through bearing, is provided with chuck, air cushion in electro spindle lower end Mechanism is located at the underface of electro spindle, and air cushion mechanism includes air cushion plate on base, is fixed on the support of air cushion plate upper surface Plate, is provided with groove in the upper surface of supporting plate, and triaxial pressure sensor is fixed in groove, is provided with gas stream in the lower surface of supporting plate Groove, is provided with, in the side of supporting plate, the suction nozzle communicating with gas circulation groove, is densely covered with and gas circulation groove phase on air cushion plate Logical passage, triaxial pressure sensor and monolithic mechatronics, electro spindle and monolithic mechatronics.
Also include ranging mechanism, ranging mechanism includes vertical movable magnetic scale, vertical fixing magnetic scale, is fixed on connecting plate On movable magnetic scale fixed plate, the fixing magnetic scale fixed plate being fixed on bearing, two be fixed on bearing and fix with fixing magnetic scale Cushion block between plate, is fixed with movable magnetic scale in movable magnetic scale fixed plate, is fixed with fixing magnetic in fixing magnetic scale fixed plate Chi, movable magnetic scale fixed plate and movable magnetic scale are located between two cushion blocks, movable magnetic scale and monolithic mechatronics.By adjusting pad The thickness of block is ensureing there is the rational working clearance between movable magnetic scale and fixing magnetic scale.
Just infrared ray gauge head is provided with to the side of electro spindle in column.
It is provided with gap between the bottom land of the groove of the lower end of triaxial pressure sensor and supporting plate.
It is provided with gap between movable magnetic scale and fixing magnetic scale.
Single-chip microcomputer is provided with warning circuit.
Also include converter, electro spindle is electrically connected with converter, converter and monolithic mechatronics.
Also include the touch screen with monolithic mechatronics.
Passage is vertical shoulder hole, the diameter with diameter greater than lower end of passage upper end.Here passage is designed It is for the ease of processing for shoulder hole one, two contribute to form air cushion effect, and compressed air enters supporting plate lower end by suction nozzle The gas circulation groove in face, finally discharges from passage, the diameter with diameter greater than lower end of passage upper end, compressed air is steadily delayed Slow discharges from passage, and produces effective air cushion in air cushion plate lower end.
The principle of work and power of each part of the present invention:
1. air cushion mechanism:
The work shape that purpose is trembled when being and eliminating drilling, reduced resistance during travelling workpiece and keep workpiece to be steadily drilled State.
Air cushion plate, supporting plate and suction nozzle are provided with base, are connected with compressed air after valve, solid matter is had on air cushion plate Outgassing micropore, force cell is had on supporting plate, it is possible to achieve when the air cushion effect when being drilled for the workpiece and planar movement Smooth working state.
2. force measuring machine:
Triaxial pressure sensor is arranged on air cushion mechanism as force measuring machine it is therefore an objective to real-time monitoring micropore drill bit applies The minor variations of the drill thrust on workpiece, be easy to find in time to process abnormal alarm and revise drilling parameter it is ensured that drill bit not Fracture.
By being arranged on triaxial pressure sensor on portable plate, real-time monitoring drill bit puts on the wink of the drill thrust on workpiece Duration, will feed back to singlechip control part when drill bit rust causes cutting force to become minor variations that are big and producing, control section Generation is reported to the police and is stopped main axis, starts electro spindle and start drilling processing again after cutting parameter to be modified.
During installation, three-dimensional force cell is fixedly connected with supporting plate by the screw of both sides, in order to ensure dynamometry effect, The upper surface of supporting plate is provided with groove, requires to have certain when three-dimensional force cell is installed between its lower surface and bottom surface of groove Gap is it is therefore an objective to ensure that sensor is partly suspended vacantly to increase working sensitivity.
3. ranging mechanism:
Purpose is the axial displacement speed of drill bit during real-time monitoring drilling(Do not work during unloaded F.F.), it is to avoid due to drill bit Decline the too fast broken drill phenomenon causing;Can also dynamically accurate measurement drill bit distance of axial displacement, keyhole Depth.
The fixing magnetic scale of magnetic induction sensor is provided with bearing, the connecting plate between electro spindle and support shaft is installed Have the movable magnetic scale of magnetic induction sensor, have cushion block between fixing magnetic scale and bearing it is ensured that fixing magnetic scale, movable magnetic scale it Between have the rational working clearance.Bore during micropore when drill bit drops to Stroke Control infrared ray gauge head, magnetic induction sensor starts reality When find range and calculate axial movement speed, when move axially speed exceed presetting threshold values when triggering report to the police and shut down, to be modified Velocity of displacement value automatic electro spindle to reasonable value starts drilling processing again.
The infrared ray gauge head equipped with adjustable stroke on drilling machine column, for perceiving the position of chuck thus starting range finding Function.
Start and stop technology of the present invention:As too fast in downward velocity or because drill bit rust etc. makes resistance to cutting exceed during drilling Power alarm after threshold values, prevents broken drill from causing the technology that workpiece is scrapped.
The present invention is applied to the drilling to workpiece micropore, is particularly suited for boring the Φ above such as spinneret, oil pump nozzle spout The drilling of the micro hole of 0.2~1mm.
Beneficial effect of the present invention:
1. adopt three force transducers, real-time monitoring resistance to cutting, improve working (machining) efficiency, reduce labor strength and technology Require;
2. adopt air cushion technology, eliminate cutting and tremble it is ensured that the perpendicularity in hole;
3. air cushion technology makes big-and-middle-sized workpiece conveniently moving;
4. adopt electro spindle high-speed cutting to ensure the surface quality in hole;
5. adopt magnetic induction sensor, real-time monitoring, control hole depth and bit location.
The present invention can improve working (machining) efficiency, reduce labor strength and technical requirements, eliminate cutting and tremble it is ensured that hole Perpendicularity, makes big-and-middle-sized workpiece conveniently moving, ensures the surface quality in hole using electro spindle high-speed cutting, using magnetic grid sensing Device, real-time monitoring, control hole depth and bit location.
Brief description
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the partial enlargement structural representation of A in Fig. 1.
Fig. 3 is the overlooking the structure diagram of triaxial pressure sensor and air cushion mechanism.
Fig. 4 is the decomposition texture schematic diagram of air cushion mechanism and side plate.
Fig. 5 is for the B in Fig. 1 to partial structural diagram.
Fig. 6 is the structural representation of spinning-drawing machine spinneret.
Fig. 7 is the partial enlargement structural representation of C in Fig. 6.
Fig. 8 is monolithic processor controlled theory structure schematic diagram.
In figure:Column 1, connecting plate 2, bearing 3, electro spindle 4, chuck 5, triaxial pressure sensor 6, supporting plate 7, groove 7-1, Gas circulation groove 7-2, air cushion plate 8, passage 8-1, base 9, movable magnetic scale fixed plate 10, movable magnetic scale 11, fixing magnetic scale 12, Fixing magnetic scale fixed plate 13, cushion block 14, suction nozzle 15, rocking arm 16, infrared ray gauge head 17, touch screen 18, single-chip microcomputer 19, support shaft 20th, dynamometry gap 21, working clearance 22, converter 23, spinning-drawing machine spinneret 24, hot melt nozzle micropore 24-1.
Specific embodiment
Below in conjunction with drawings and Examples, the present invention is further illustrated.
Embodiment 1, referring to accompanying drawing 1~accompanying drawing 8, a kind of Micro-role Drilling system based on start and stop technology, including base 9, consolidates Due to the column 1 on base 9, the bearing 3 that is fixed on column 1, located at the drilling sector on bearing 3, the gas on base 9 Pad mechanism, triaxial pressure sensor 6, single-chip microcomputer 19, ranging mechanism.
Drilling sector includes the vertical support shaft 20 being movably set on bearing 3, the rocking arm being arranged in support shaft 20 16th, the connecting plate 2 being fixed in support shaft 20, the vertical electro spindle 4 being fixed on connecting plate 2, electro spindle 4 passes through bearing 3, It is provided with chuck 5 in electro spindle 4 lower end.
Air cushion mechanism is located at the underface of electro spindle 4, and air cushion mechanism includes air cushion plate 8 on base 9, passes through screw It is fixed on the supporting plate 7 of air cushion plate 8 upper surface, is provided with groove 7-1 in the upper surface of supporting plate 7, triaxial pressure sensor 6 is fixed on recessed In groove 7-1, it is provided with gas circulation groove 7-2 in the lower surface of supporting plate 7, be provided with the side of supporting plate 7 and communicate with gas circulation groove 7-2 Suction nozzle 15, the passage 8-1 being communicated with gas circulation groove 7-2 is densely covered with air cushion plate 8, passage 8-1 is vertical Ladder circular hole, the bore dia of passage 8-1 upper end is more than the bore dia of lower end, the lower end of triaxial pressure sensor 6 and groove 7-1 Bottom land between be provided with dynamometry gap 21.Triaxial pressure sensor 6 is electrically connected with single-chip microcomputer 19, and electro spindle 4 is electric with single-chip microcomputer 19 Connect.
Ranging mechanism includes vertical movable magnetic scale 11, vertical fixing magnetic scale 12, the movable magnetic being fixed on connecting plate 2 Chi fixed plate 10, the fixing magnetic scale fixed plate 13, two being fixed on bearing 3 are fixed on bearing 3 and fixing magnetic scale fixed plate 13 Between cushion block 14, movable magnetic scale 11 is fixed with movable magnetic scale fixed plate 10, fixing magnetic scale fixed plate 13 is fixed with Fixing magnetic scale 12, movable magnetic scale fixed plate 10 and movable magnetic scale 11 are located between two cushion blocks 14, movable magnetic scale 11 and single-chip microcomputer 19 electrical connections, are provided with the working clearance 22 between movable magnetic scale 11 and fixing magnetic scale 12.
Just infrared ray gauge head 17 is provided with to the side of electro spindle 4 in column 1.
Single-chip microcomputer 19 is provided with warning circuit.
Also include converter 23, electro spindle 4 is electrically connected with converter 23, and converter 23 is electrically connected with single-chip microcomputer 19.
Also include the touch screen 18 electrically connecting with single-chip microcomputer 19.
Rotating arm 16, can adjust electro spindle 4 and moves up and down through support shaft 20, connecting plate 2, and the present embodiment is sprayed with spinning-drawing machine It is desirable to hot melt nozzle micropore 24-1 is Φ 0.5mm as a example the drilling of hot melt nozzle micropore 24-1 of filament plate 24.During use, will treat Boring spinning-drawing machine spinneret 24 be put on supporting plate 7, the suction nozzle 15 of supporting plate 7 is connected with air pump, from air pump through suction nozzle 15 to Compressed air is led to, compressed air is gone out through the multiple passage 8-1 on air cushion plate 8 in gas circulation groove 7-2.In compressed air Under effect, air cushion plate 8 floats on base 9, forms air cushion effect, and spinning-drawing machine spinneret 24 follows supporting plate 7, air cushion plate 8 in base 9 On slidably, reach stable, smooth-going displacement purpose, unnecessary compressed air is overflowed by passage 8-1.Rotating arm 16, Support shaft 20 is driven to move down, support shaft 20 drives electro spindle 4 to move down by connecting plate 2, and there is chuck 5 electro spindle 4 lower end, Micropore drill bit is clamped with chuck 5, by manipulating touch screen 18, makes single-chip microcomputer 19 control electro spindle 4 chuck 5 to rotate, drill bit pair The hot melt nozzle of spinning-drawing machine spinneret 24 hole to be drilled carries out Micro-role Drilling, triaxial pressure sensor 6 real-time monitoring micropore drill bit Put on the minor variations of the drill thrust on spinning-drawing machine spinneret 24, drill thrust exceedes during default threshold values by warning circuit report Alert, single-chip microcomputer 19 controls electro spindle 4 stall immediately, restart after correction drilling parameter electro spindle 4 carry out drilling it is ensured that drill bit not Frangibility.
Column 1 near electro spindle 4 side equipped with can up-down adjustment stroke infrared ray gauge head 17, for perceiving chuck 5 Position.While connecting plate 2 drives electro spindle 4 to move down, the movable magnetic scale 11 on connecting plate 2 moves down simultaneously, when boring micropore, when When drill bit drops to Stroke Control infrared ray gauge head 17, magnetic induction sensor starts real time distance and calculates drill bit axial movement speed Degree, is reported to the police and is shut down by warning circuit triggering when moving axially speed and exceeding the pre- threshold values mixing up, velocity of displacement to be modified It is worth to reasonable value, single-chip microcomputer 19 automatic electro spindle 4 starts drilling processing again.
The spinning-drawing machine spinneret 24 of the present embodiment is the indispensable precision component of spinning-drawing machine, can pass through to spin by spinning melt Hot melt nozzle micropore 24-1 spray extrusion on silk machine spinneret 24 has certain thickness and the close fibre bundle of quality.In Fig. 6 Spinning-drawing machine spinneret 24 has the parent as new synthetic fibers for the uniform hot melt nozzle micropore 24-1 duct, their crudy It is to ensure that fibrous finished product quality and the essential condition of good spinning technique, thus high to crudy such as aperture size, burr The requirement of degree, Hole Wall Roughness etc. is higher.And because the number of hot melt nozzle micropore 24-1 is more, and set using machining center etc. Standby processing is affected difficult quality guarantee by lathe itself rotating speed etc.;Using the boring of general high-speed drilling machine again because of Workpiece length relatively Long, it is that the mobile and smooth cutting of smooth-going of workpiece brings difficulty, and processing situation is the experience by workman in drilling process " sensation ", the quality of production and manufacturing schedule are just difficult to ensure that.Workman can be allowed easily to control using this Micro-role Drilling system With adjustment lathe, travelling workpiece more steady and smooth, the application of electro spindle 4 and each sensor can to processing situation monitor in real time, Working (machining) efficiency can be greatly enhanced and stablize crudy.

Claims (9)

1. a kind of Micro-role Drilling system based on start and stop technology it is characterised in that:Including base, the column being fixed on base, Be fixed on bearing on column, located at the drilling sector on bearing, the air cushion mechanism on base, triaxial pressure sensor, Single-chip microcomputer, drilling sector includes the vertical support shaft being movably set on bearing, the rocking arm being arranged in support shaft, is fixed on Connecting plate in support shaft, the vertical electro spindle being fixed on connecting plate, electro spindle passes through bearing, is provided with electro spindle lower end Chuck, air cushion mechanism is located at the underface of electro spindle, and air cushion mechanism includes positioned at the air cushion plate on base, is fixed on air cushion plate The supporting plate of end face, is provided with groove in the upper surface of supporting plate, and triaxial pressure sensor is fixed in groove, sets in the lower surface of supporting plate There is gas circulation groove, be provided with, in the side of supporting plate, the suction nozzle communicating with gas circulation groove, air cushion plate is densely covered with and gas The passage that circulation groove communicates, triaxial pressure sensor and monolithic mechatronics, electro spindle and monolithic mechatronics.
2. the Micro-role Drilling system based on start and stop technology according to claim 1 it is characterised in that:Also include range finder Structure, ranging mechanism include vertical movable magnetic scale, vertical fixing magnetic scale, the movable magnetic scale fixed plate being fixed on connecting plate, The fixing magnetic scale fixed plate that is fixed on bearing, two cushion blocks being fixed between bearing and fixing magnetic scale fixed plate, in activity Movable magnetic scale is fixed with magnetic scale fixed plate, fixing magnetic scale is fixed with fixing magnetic scale fixed plate, movable magnetic scale fixed plate with Movable magnetic scale is located between two cushion blocks, movable magnetic scale and monolithic mechatronics.
3. the Micro-role Drilling system based on start and stop technology according to claim 2 it is characterised in that:Just main to electricity in column The side of axle is provided with infrared ray gauge head.
4. the Micro-role Drilling system based on start and stop technology according to claim 1 or 2 or 3 it is characterised in that:Triaxial pressure It is provided with gap between the bottom land of the groove of the lower end of sensor and supporting plate.
5. the Micro-role Drilling system based on start and stop technology according to claim 2 it is characterised in that:Movable magnetic scale and fixation It is provided with gap between magnetic scale.
6. the Micro-role Drilling system based on start and stop technology according to claim 3 it is characterised in that:Single-chip microcomputer is provided with warning Circuit.
7. the Micro-role Drilling system based on start and stop technology according to claim 6 it is characterised in that:Also include converter, Electro spindle is electrically connected with converter, converter and monolithic mechatronics.
8. the Micro-role Drilling system based on start and stop technology according to claim 7 it is characterised in that:Also include and single-chip microcomputer The touch screen of electrical connection.
9. the Micro-role Drilling system based on start and stop technology according to claim 1 or 2 or 3 it is characterised in that:Passage is Vertical shoulder hole, the diameter with diameter greater than lower end of passage upper end.
CN201510196203.7A 2015-04-23 2015-04-23 A kind of Micro-role Drilling system based on start and stop technology Active CN104759661B (en)

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