CN204545496U - 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 PDFInfo
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- CN204545496U CN204545496U CN201520250336.3U CN201520250336U CN204545496U CN 204545496 U CN204545496 U CN 204545496U CN 201520250336 U CN201520250336 U CN 201520250336U CN 204545496 U CN204545496 U CN 204545496U
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Abstract
The utility model relates to a kind of Micro-role Drilling system based on start and stop technology, comprise base, column, bearing, be located at the drilling sector on bearing, be located at the air cushion mechanism on base, triaxial pressure sensor, single-chip microcomputer, drilling sector comprises the back shaft be positioned on bearing, be positioned at the rocking arm on back shaft, be positioned at the connecting plate on back shaft, be positioned at the electro spindle on connecting plate, electro spindle is through bearing, air cushion mechanism is positioned at immediately below electro spindle, air cushion mechanism comprises the air cushion plate be positioned on base, be fixed on the supporting plate of air cushion plate upper surface, supporting plate upper surface is provided with groove, pressure sensor is fixed in groove, supporting plate lower surface is provided with gas flow groove, supporting plate side is provided with the suction nozzle communicated with gas flow groove, air cushion plate is densely covered with the passage communicated with gas flow groove.The utility model can improve working (machining) efficiency, reduces labor strength and technical requirement, eliminates cutting and trembles, ensure the surface quality in hole, Real-Time Monitoring, control hole depth and bit location.
Description
Technical field
The utility model relates to a kind of Micro-role Drilling system based on start and stop technology, and the utility model is applicable to the drilling to workpiece micropore, is particularly useful for the drilling of the micro hole of boring Φ 0.2 ~ 1mm above spinneret, oil pump nozzle spout etc.
Background technology
Drilling is processed with higher productivity ratio and precision, and application is aborning still in continuous expansion, and the research of Micro-role Drilling technical problem still comes into one's own.The mode of current capillary processing roughly has three kinds, is electric spark respectively, laser and machining.For Laser Processing, laser can process the very little hole of diameter, most I is to 0.001mm, in crisp thin material and processing of high molecular material etc., have unrivaled superiority, but during general Laser Processing, beam quality is as large in hot spot, the features such as the angle of divergence is large are one definite limitation to capillary processing the form of quality, and Laser Processing capacity usage ratio is low, process-cycle is long, and waste resource is serious, is not suitable with the machining of common metal part.The minimum micropore can processing 0.08mm diameter of method of spark machined, but its micropore hole wall can leave recast layer, thus affect the service life of micropore, the hole wall surface quality of micropore is worsened.The outstanding limitation of spark machined is: be mainly used in processing metal conductive material, and general process velocity is slow, and electrode is easily burnt bottom micropore, also easily produces processing tapering.For machine drilling, as capillary processing adopt high-speed drilling machine boring, vibrating drill etc., if but machined parameters controls bad, drill bit is very easy to rupture, and can leave burr in the exit of micropore, and this burr can affect microvia quality.
Microscopical manual drilling machine is housed at present be often used in scientific research project, small lot batch manufacture or need in the capillary processing of only a few.The minute diameter drill bit that hand feed is such, skilled workman is needed to carry out manual sensation, confirm that whether up to standard etc. by the degree of depth that is whether too fast, hole of blunt or brill whether drill bit with " sensation ", so the quality in hole is not easy to ensure, even breaking of rod head time serious, workpiece is scrapped, and working (machining) efficiency is low.
Adopt some new little hole forming methods such as special processing technology electric spark described above, laser or electron beam process, be difficult to promote by the impact of crudy or production cost.And Micro-pore Drilling still exists: adopt and manually process, high to workman's technical requirement, drill bit easily fractures, and working (machining) efficiency is low; Workpiece can not ensure perpendicularity; Slightly large-scale workpiece travelling workpiece is more difficult; The speed of mainshaft is not high, and aperture easily produces burr, and the surface quality in hole is not high; Accurately can not control hole depth, peculiar part does not reach the technical bottlenecks such as hole depth requirement.
Summary of the invention
In order to solve the problem, the utility model provides a kind of Micro-role Drilling system based on start and stop technology, improve working (machining) efficiency, reduce labor strength and technical requirement, eliminate cutting and tremble, ensure the perpendicularity in hole, make big-and-middle-sized workpiece movable convenient, adopt electro spindle high-speed cutting to ensure the surface quality in hole, adopt magnetic induction sensor, Real-Time Monitoring, control hole depth and bit location.
For achieving the above object, concrete scheme of the present utility model is:
Based on a Micro-role Drilling system for start and stop technology, comprise base, be fixed on the column on base, be fixed on the bearing on column, be located at the drilling sector on bearing, be located at the air cushion mechanism on base, triaxial pressure sensor, single-chip microcomputer, drilling sector comprises the vertical back shaft be movably set on bearing, be arranged at the rocking arm on back shaft, be fixed on the connecting plate on back shaft, be fixed on the vertical electro spindle on connecting plate, electro spindle is through bearing, and be provided with chuck in electro spindle lower end, air cushion mechanism is positioned at immediately below electro spindle, and air cushion mechanism comprises the air cushion plate be positioned on base, be fixed on the supporting plate of air cushion plate upper surface, groove is provided with in the upper surface of supporting plate, pressure sensor is fixed in groove, gas flow groove is provided with in the lower surface of supporting plate, the suction nozzle communicated with gas flow groove is provided with in the side of supporting plate, air cushion plate is densely covered with the passage communicated with gas flow groove, and pressure sensor is electrically connected with single-chip microcomputer, and electro spindle is electrically connected with single-chip microcomputer.
Also comprise ranging mechanism, ranging mechanism comprises vertical movable magnetic scale, vertical fixing magnetic scale, the movable magnetic scale fixed head be fixed on connecting plate, the fixing magnetic scale fixed head be fixed on bearing, two cushion blocks be fixed between bearing and fixing magnetic scale fixed head, movable magnetic scale fixed head is fixed with movable magnetic scale, fixing magnetic scale fixed head is fixed with fixing magnetic scale, movable magnetic scale fixed head and movable magnetic scale are between two cushion blocks, and movable magnetic scale is electrically connected with single-chip microcomputer.Ensure there is the rational working clearance between movable magnetic scale and fixing magnetic scale by the thickness adjusting cushion block.
Just infrared ray gauge head is provided with to the side of electro spindle at column.
Gap is provided with between the bottom land of the lower end of pressure sensor and the groove of supporting plate.
Gap is provided with between movable magnetic scale and fixing magnetic scale.
Single-chip microcomputer is provided with warning circuit.
Also comprise frequency converter, electro spindle is electrically connected with frequency converter, and frequency converter is electrically connected with single-chip microcomputer.
Also comprise the touch-screen be electrically connected with single-chip microcomputer.
Passage is vertical shoulder hole, and the diameter of passage upper end is greater than the diameter of lower end.Here passage being designed to shoulder hole one is for the ease of processing, two is contribute to forming air cushion effect, compressed air enters the gas flow groove of supporting plate lower surface by suction nozzle, finally discharge from passage, the diameter of passage upper end is greater than the diameter of lower end, compressed air is steadily discharged slowly from passage, and produces effective air cushion in air cushion plate lower end.
The principle of work and power of each parts of the utility model:
1. air cushion mechanism:
Tremble when object is and eliminates drilling, resistance when reducing travelling workpiece and holding workpiece be steadily by the duty of drilling.
Base is provided with air cushion plate, supporting plate and suction nozzle, compressed air is connected with after valve, air cushion plate has the outgassing micropore of solid matter, supporting plate has force cell, workpiece can be realized by smooth working state when air cushion effect during drilling and planar movement.
2. force measuring machine:
Air cushion mechanism arranges triaxial pressure sensor as force measuring machine, object is the minor variations that Real-Time Monitoring micropore drill bit puts on the drill thrust on workpiece, is convenient to Timeliness coverage processing abnormal alarm and revises drilling parameter, guaranteeing that drill bit does not fracture.
By being arranged on triaxial pressure sensor on portable plate, Real-Time Monitoring drill bit puts on the instantaneous value of the drill thrust on workpiece, when drill bit rust causes that cutting force becomes large and minor variations that is that produce will feed back to singlechip control part, control section produces and reports to the police and stop main axis, starts electro spindle and start drilling processing again after orthogonal cutting parameter to be repaired.
During installation, three-dimensional force cell is fixedly connected with supporting plate by the screw of both sides, in order to ensure dynamometry effect, groove is provided with in the upper surface of supporting plate, three-dimensional force cell requires certain gap between its lower surface and bottom surface of groove when installing, and object ensures that sensor half is unsettled fixing to increase working sensitivity.
3. ranging mechanism:
The axial displacement speed (not working during unloaded F.F.) of drill bit when object is Real-Time Monitoring drilling, avoids due to the too fast broken drill phenomenon caused of drill bit decline; Also the distance of axial displacement of drill bit can dynamically accurately be measured, the degree of depth of keyhole.
Bearing is provided with the fixing magnetic scale of magnetic induction sensor, connecting plate between electro spindle and back shaft is provided with the movable magnetic scale of magnetic induction sensor, between fixing magnetic scale and bearing, have cushion block, the fixing magnetic scale of guarantee, movable magnetic scale have the rational working clearance between the two.During brill micropore when drill bit drops to Stroke Control infrared ray gauge head; magnetic induction sensor starts real time distance and calculates to move axially speed; the trigger alarm when the speed of moving axially exceedes presetting threshold values is also shut down, and automatically starts electro spindle and start drilling processing again after positive displacement velocity amplitude to reasonable value to be repaired.
Drilling machine column is equipped with the infrared ray gauge head of adjustable stroke, for perception chuck position thus start distance measurement function.
Start and stop technology described in the utility model: make resistance to cutting exceed power alarm after threshold values as downward excessive velocities or because of drill bit rust etc. during drilling, prevent the technology that broken drill causes workpiece to scrap.
The utility model is applicable to the drilling to workpiece micropore, is particularly useful for the drilling of the micro hole of boring Φ 0.2 ~ 1mm above spinneret, oil pump nozzle spout etc.
The utility model beneficial effect:
1. adopt three force snesor, Real-Time Monitoring resistance to cutting, improve working (machining) efficiency, reduce labor strength and technical requirement;
2. adopt air cushion technology, eliminate cutting and tremble, ensure the perpendicularity in hole;
3. air cushion technology makes big-and-middle-sized workpiece movable convenient;
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 utility model can improve working (machining) efficiency, reduce labor strength and technical requirement, elimination cutting is trembled, ensure the perpendicularity in hole, make big-and-middle-sized workpiece movable convenient, adopt electro spindle high-speed cutting to ensure the surface quality in hole, adopt magnetic induction sensor, Real-Time Monitoring, control hole depth and bit location.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the partial enlargement structural representation of A in Fig. 1.
Fig. 3 is the plan structure schematic diagram of pressure sensor and air cushion mechanism.
Fig. 4 is the decomposition texture schematic diagram of air cushion mechanism and side plate.
Fig. 5 is that B in Fig. 1 is to partial structurtes schematic 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, pressure sensor 6, supporting plate 7, groove 7-1, gas flow groove 7-2, air cushion plate 8, passage 8-1, base 9, movable magnetic scale fixed head 10, movable magnetic scale 11, fixing magnetic scale 12, fixing magnetic scale fixed head 13, cushion block 14, suction nozzle 15, rocking arm 16, infrared ray gauge head 17, touch-screen 18, single-chip microcomputer 19, back shaft 20, dynamometry gap 21, working clearance 22, frequency converter 23, spinning-drawing machine spinneret 24, hot melt nozzle micropore 24-1.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is further described.
Embodiment 1, see accompanying drawing 1 ~ accompanying drawing 8, based on a Micro-role Drilling system for start and stop technology, comprise base 9, the column 1 be fixed on base 9, the bearing 3 be fixed on column 1, the drilling sector be located on bearing 3, the air cushion mechanism be located on base 9, triaxial pressure sensor 6, single-chip microcomputer 19, ranging mechanism.
Drilling sector comprises vertical back shaft 20, the rocking arm 16 be arranged on back shaft 20, the connecting plate 2 be fixed on back shaft 20, the vertical electro spindle 4 be fixed on connecting plate 2 that are movably set on bearing 3, electro spindle 4, through bearing 3, is provided with chuck 5 in electro spindle 4 lower end.
Air cushion mechanism is positioned at immediately below electro spindle 4, air cushion mechanism comprises the air cushion plate 8 be positioned on base 9, the supporting plate 7 of air cushion plate 8 upper surface is fixed on by screw, groove 7-1 is provided with in the upper surface of supporting plate 7, pressure sensor 6 is fixed in groove 7-1, gas flow groove 7-2 is provided with in the lower surface of supporting plate 7, the suction nozzle 15 communicated with gas flow groove 7-2 is provided with in the side of supporting plate 7, air cushion plate 8 is densely covered with the passage 8-1 communicated with gas flow groove 7-2, passage 8-1 is vertical ladder circular hole, the bore dia of passage 8-1 upper end is greater than the bore dia of lower end, dynamometry gap 21 is provided with between the lower end of pressure sensor 6 and the bottom land of groove 7-1.Pressure sensor 6 is electrically connected with single-chip microcomputer 19, and electro spindle 4 is electrically connected with single-chip microcomputer 19.
Ranging mechanism comprises vertical movable magnetic scale 11, vertical fixing magnetic scale 12, be fixed on the movable magnetic scale fixed head 10 on connecting plate 2, be fixed on the fixing magnetic scale fixed head 13 on bearing 3, two cushion blocks 14 be fixed between bearing 3 and fixing magnetic scale fixed head 13, movable magnetic scale fixed head 10 is fixed with movable magnetic scale 11, fixing magnetic scale fixed head 13 is fixed with fixing magnetic scale 12, movable magnetic scale fixed head 10 and movable magnetic scale 11 are between two cushion blocks 14, movable magnetic scale 11 is electrically connected with single-chip microcomputer 19, the working clearance 22 is provided with 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 at column 1.
Single-chip microcomputer 19 is provided with warning circuit.
Also comprise frequency converter 23, electro spindle 4 is electrically connected with frequency converter 23, and frequency converter 23 is electrically connected with single-chip microcomputer 19.
Also comprise the touch-screen 18 be electrically connected with single-chip microcomputer 19.
Rotating arm 16, moves up and down through back shaft 20, connecting plate 2 adjustable electro spindle 4, and the present embodiment, for the drilling of the hot melt nozzle micropore 24-1 of spinning-drawing machine spinneret 24, requires that hot melt nozzle micropore 24-1 is Φ 0.5mm.During use, be put on supporting plate 7 by spinning-drawing machine spinneret 24 hole to be drilled, the suction nozzle 15 of supporting plate 7 is connected with air pump, and by air pump through suction nozzle 15 logical compressed air in gas flow groove 7-2, the multiple passage 8-1s of compressed air on air cushion plate 8 go out.Under compressed-air actuated effect, air cushion plate 8 floats on base 9, and form air cushion effect, supporting plate 7 followed by spinning-drawing machine spinneret 24, air cushion plate 8 is free to slide on base 9, and reach stable, smooth-going displacement object, unnecessary compressed air is overflowed by passage 8-1.Rotating arm 16, back shaft 20 is driven to move down, back shaft 20 drives electro spindle 4 to move down by connecting plate 2, there is chuck 5 electro spindle 4 lower end, chuck 5 is clamped with micropore drill bit, by manipulation touch-screen 18, make single-chip microcomputer 19 control electro spindle 4 chuck 5 to rotate, the hot melt nozzle of drill bit to spinning-drawing machine spinneret 24 hole to be drilled carries out Micro-role Drilling, pressure sensor 6 Real-Time Monitoring micropore drill bit puts on the minor variations of the drill thrust on spinning-drawing machine spinneret 24, reported to the police by warning circuit when drill thrust exceedes default threshold values, single-chip microcomputer 19 controls electro spindle 4 stall immediately, restart electro spindle 4 after revising drilling parameter and carry out drilling, guarantee drill bit not frangibility.
Being equipped with near electro spindle 4 side at column 1 can the infrared ray gauge head 17 of up-down adjustment stroke, for the position of perception chuck 5.While connecting plate 2 drives electro spindle 4 to move down; movable magnetic scale 11 on connecting plate 2 moves down simultaneously; when boring micropore; when drill bit drops to Stroke Control infrared ray gauge head 17; magnetic induction sensor starts real time distance and calculates drill bit shaft to translational speed; shut down by warning circuit trigger alarm when the speed of moving axially exceedes the threshold values mixed up in advance, after positive displacement velocity amplitude to reasonable value to be repaired, single-chip microcomputer 19 automatically starts electro spindle 4 and starts drilling processing again.
The spinning-drawing machine spinneret 24 of the present embodiment is the indispensable precision component of spinning-drawing machine, spinning melt can be extruded by the hot melt nozzle micropore 24-1 spray on spinning-drawing machine spinneret 24 and have certain thickness and quality fibre bundle closely.Spinning-drawing machine spinneret 24 in Fig. 6 has uniform hot melt nozzle micropore 24-1 duct as the parent of new synthetic fibers, their crudy is the essential condition ensureing fibrous finished product quality and good spinning technique, so higher to the requirement of crudy such as aperture size, burr height, Hole Wall Roughness etc.And because the number of hot melt nozzle micropore 24-1 is more, and use the equipment processing such as machining center to affect difficult quality guarantee by the own rotating speed of lathe etc.; Use general high-speed drilling machine to hole again because Workpiece length is longer, for workpiece smooth-going movement and cut smoothly and bring difficulty, and processing situation is the experience " sensation " by workman in drilling process, and the quality of production and manufacturing schedule are just difficult to guarantee.Use this Micro-role Drilling system can allow workman's controlling and adjustment lathe, travelling workpiece more steady and smooth easily, the application of electro spindle 4 and each sensor can be monitored in real time to processing situation, greatly can improve working (machining) efficiency and stable crudy.
Claims (9)
1. the Micro-role Drilling system based on start and stop technology, it is characterized in that: comprise base, be fixed on the column on base, be fixed on the bearing on column, be located at the drilling sector on bearing, be located at the air cushion mechanism on base, triaxial pressure sensor, single-chip microcomputer, drilling sector comprises the vertical back shaft be movably set on bearing, be arranged at the rocking arm on back shaft, be fixed on the connecting plate on back shaft, be fixed on the vertical electro spindle on connecting plate, electro spindle is through bearing, chuck is provided with in electro spindle lower end, air cushion mechanism is positioned at immediately below electro spindle, air cushion mechanism comprises the air cushion plate be positioned on base, be fixed on the supporting plate of air cushion plate upper surface, groove is provided with in the upper surface of supporting plate, pressure sensor is fixed in groove, gas flow groove is provided with in the lower surface of supporting plate, the suction nozzle communicated with gas flow groove is provided with in the side of supporting plate, air cushion plate is densely covered with the passage communicated with gas flow groove, pressure sensor is electrically connected with single-chip microcomputer, electro spindle is electrically connected with single-chip microcomputer.
2. the Micro-role Drilling system based on start and stop technology according to claim 1, it is characterized in that: also comprise ranging mechanism, ranging mechanism comprises vertical movable magnetic scale, vertical fixing magnetic scale, be fixed on the movable magnetic scale fixed head on connecting plate, be fixed on the fixing magnetic scale fixed head on bearing, two cushion blocks be fixed between bearing and fixing magnetic scale fixed head, movable magnetic scale fixed head is fixed with movable magnetic scale, fixing magnetic scale fixed head is fixed with fixing magnetic scale, movable magnetic scale fixed head and movable magnetic scale are between two cushion blocks, movable magnetic scale is electrically connected with single-chip microcomputer.
3. the Micro-role Drilling system based on start and stop technology according to claim 2, is characterized in that: be just provided with infrared ray gauge head to the side of electro spindle at column.
4. the Micro-role Drilling system based on start and stop technology according to claim 1 or 2 or 3, is characterized in that: be provided with gap between the bottom land of the lower end of pressure sensor and the groove of supporting plate.
5. the Micro-role Drilling system based on start and stop technology according to claim 2, is characterized in that: be provided with gap between movable magnetic scale and fixing magnetic scale.
6. the Micro-role Drilling system based on start and stop technology according to claim 3, is characterized 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 characterized in that: also comprise frequency converter, electro spindle is electrically connected with frequency converter, and frequency converter is electrically connected with single-chip microcomputer.
8. the Micro-role Drilling system based on start and stop technology according to claim 7, is characterized in that: also comprise the touch-screen be electrically connected with single-chip microcomputer.
9. the Micro-role Drilling system based on start and stop technology according to claim 1 or 2 or 3, is characterized in that: passage is vertical shoulder hole, and the diameter of passage upper end is greater than the diameter of lower end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520250336.3U CN204545496U (en) | 2015-04-23 | 2015-04-23 | A kind of Micro-role Drilling system based on start and stop technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520250336.3U CN204545496U (en) | 2015-04-23 | 2015-04-23 | A kind of Micro-role Drilling system based on start and stop technology |
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| Publication Number | Publication Date |
|---|---|
| CN204545496U true CN204545496U (en) | 2015-08-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520250336.3U Withdrawn - After Issue CN204545496U (en) | 2015-04-23 | 2015-04-23 | A kind of Micro-role Drilling system based on start and stop technology |
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| CN (1) | CN204545496U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104759661A (en) * | 2015-04-23 | 2015-07-08 | 常州信息职业技术学院 | Microhole drilling system based on start-stop technology |
| CN112589162A (en) * | 2020-12-02 | 2021-04-02 | 南京科技职业学院 | Electromechanical structure of energy-saving environment-friendly numerical control vertical drilling machine |
-
2015
- 2015-04-23 CN CN201520250336.3U patent/CN204545496U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104759661A (en) * | 2015-04-23 | 2015-07-08 | 常州信息职业技术学院 | Microhole drilling system based on start-stop technology |
| CN104759661B (en) * | 2015-04-23 | 2017-03-08 | 常州信息职业技术学院 | A kind of Micro-role Drilling system based on start and stop technology |
| CN112589162A (en) * | 2020-12-02 | 2021-04-02 | 南京科技职业学院 | Electromechanical structure of energy-saving environment-friendly numerical control vertical drilling machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150812 Effective date of abandoning: 20171114 |