CN103586505B - A kind of drill unit of automatic control feeding state - Google Patents

A kind of drill unit of automatic control feeding state Download PDF

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Publication number
CN103586505B
CN103586505B CN201310614590.2A CN201310614590A CN103586505B CN 103586505 B CN103586505 B CN 103586505B CN 201310614590 A CN201310614590 A CN 201310614590A CN 103586505 B CN103586505 B CN 103586505B
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China
Prior art keywords
nut seat
storage tank
slide plate
edge
automatic control
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CN201310614590.2A
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CN103586505A (en
Inventor
赵广
周文奇
亓化振
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JINAN HUAHAN ELECTRIC TECHNOLOGY Co Ltd
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JINAN HUAHAN ELECTRIC TECHNOLOGY Co Ltd
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Priority to CN201310614590.2A priority Critical patent/CN103586505B/en
Publication of CN103586505A publication Critical patent/CN103586505A/en
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Classifications

    • 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
    • B23Q5/00Driving or feeding mechanisms; Control arrangements therefor
    • B23Q5/22Feeding members carrying tools or work
    • B23Q5/28Electric drives

Abstract

The invention provides a kind of drill unit of automatic control feeding state, it comprises power set, feeding part and drilling part, described feeding part comprises leading screw, coordinate with leading screw and the conversion equipment moved up and down, the slide plate be fixedly connected with conversion equipment and the line slideway auxiliary coordinated with slide plate, and drilling part is fixedly connected with slide plate.By the connection between screw and nut seat is designed to floating structure, and automatically transformed to realize feeding state by the mode of inductive switch detection position, namely feeding mode is; Be in F.F. state when drill bit does not contact workpiece, automatically transfer work to after contact workpiece and enter state, bore thoroughly or automatically transfer fast-rewinding state to when being drilled into the counterbore degree of depth.Except the counterbore degree of depth needs input numerical value, without the need to inputting the feed distance such as the length of the bit and thickness of workpiece data; Holes drilled through can bore counterbore again, working (machining) efficiency is high, and structure is simple, and Maintenance free, some maloperations of operating personnel can also be avoided.

Description

A kind of drill unit of automatic control feeding state
Technical field
The present invention relates to a kind of drill unit, especially a kind of drill unit of automatic control feeding state.
Background technology
At present, on drilling machine, the drill unit of servo feed generally can not control the conversion between each feeding state automatically, need to input thickness of workpiece, the length of the bit and idle stroke allowance in advance, calculate F.F., work enters the dislocation with rewind, the original position controlling or entered by tool setting determination work is carried out by numerical control device, entering State Transferring by work again after brill is saturating is fast-rewinding state, thus completes the processing of through hole.Due to the workpiece for different drill bit and different-thickness, operator constantly measures and inputs the parameter such as thickness of workpiece and the length of the bit, make operation more loaded down with trivial details, sometimes also there will be after operating mode changes and forget parameter such as input thickness of workpiece and the length of the bit etc., result causes maloperation or damages the situation of drill bit, simultaneously because idle stroke allowance also makes the efficiency of holing reduce, the weak point that Here it is existing for prior art.
Summary of the invention
The technical problem to be solved in the present invention, be exactly for the deficiency existing for prior art, and provide a kind of drill unit of automatic control feeding state, this drill unit can change feeding state automatically.
This programme is achieved by the following technical measures: the drill unit of this automatic control feeding state comprises power set, feeding part and drilling part, described feeding part comprises leading screw, coordinate with leading screw and the conversion equipment moved up and down, the slide plate be fixedly connected with conversion equipment and the line slideway auxiliary coordinated with slide plate, and drilling part is fixedly connected with slide plate.
Above-mentioned conversion equipment comprises screw, adapter sleeve, spring, limiting plate, nut seat, inductive switch and induction rod, described screw coordinates with leading screw, described induction rod and adapter sleeve are fixedly connected with the two ends up and down of screw respectively, the lower end of adapter sleeve is fixedly connected with limiting plate, the upper edge below upset laterally of adapter sleeve forms storage tank, nut seat is arranged between storage tank and limiting plate, and the height of nut seat is greater than the distance between the lower surface of storage tank outer edge and limiting plate upper surface, the inside lower end of nut seat is provided with location shoulder I, the upper end of nut seat coordinates with the grafting of storage tank outer edge, spring is between nut seat and adapter sleeve, the upper end of spring coordinates with storage tank, lower end coordinates with location shoulder I, the outside of nut seat is fixedly connected with the inductive switch corresponding with induction rod.After adopting the floating mount structure of nut seat in this conversion equipment, fluctuating by nut seat, dynamic inductive switch makes inductive switch produce switching signal close to induction rod, or make inductive switch away from induction rod and lose switching signal, control system controls the feeding state of drilling part according to the signal that inductive switch feeds back.
The outward flange of one end margin wider than storage tank outer edge of inductive switch is installed in above-mentioned nut seat, makes inductive switch can be arranged on the upper end of nut seat, to shorten the actuating length of inductive switch, ensure the stability of its switching signal.
The upper end of above-mentioned nut seat with the grafting fit structure of storage tank outer edge is: the one end being provided with inductive switch in nut seat is provided with the bar shaped locating slot coordinated with storage tank outer edge, has the location of mating with storage tank outer edge profile to take on II in nut seat with this end along one end arranged outside of leading screw axisymmetrical.This connected structure can realize fluctuating of nut seat on the one hand, and nut seat fluctuates in process, and storage tank outer edge and nut seat can be located mutually; Can also prevent the circumference of nut seat from rotating, to ensure normally carrying out of feed motion on the other hand.
Above-mentioned slide plate is fixedly connected with nut seat, this version can ensure when the drill bit of drilling part does not contact workpiece and workpiece bores thoroughly, under the gravity of drilling part and the spring-force driven dual of spring, nut seat can be pressed on limiting plate, makes inductive switch away from induction rod and loses switching signal.
Above-mentioned drilling part comprises motor, decelerator and drill bit, and decelerator is fixedly connected with slide plate, slide plate linearly the moving up and down of guideway time drive decelerator and motor and drill bit synchronization action, realize the feeding of drill bit.
Above-mentioned power set are servomotor, and servomotor drives leading screw by transmission mechanism, can be controlled the rotation of leading screw by servomotor accurately.
The beneficial effect of this programme can be learnt according to describing of such scheme, in the drill unit of this automatic control feeding state, is automatically changed the duty of drill bit by conversion equipment: when the drill bit of drilling part does not contact workpiece, drill bit is in F.F. state; Automatically transfer work after bit contact workpiece to and enter state; After the saturating workpiece of bit drills or when being drilled into the counterbore degree of depth, drill bit transfers fast-rewinding state to automatically.Except the counterbore degree of depth needs input numerical value, without the need to inputting other feed distance data (as the length of drill bit and the thickness of workpiece).This drill unit holes drilled through can bore counterbore again, and working (machining) efficiency is high, and structure is simple, and Maintenance free, some maloperations of operating personnel can also be avoided.As can be seen here, compared with prior art, have outstanding substantive distinguishing features and significant progress, its beneficial effect implemented also is apparent in the present invention.
Accompanying drawing explanation
Structural representation when Fig. 1 is drill unit F.F. state in the specific embodiment of the invention.
Fig. 2 is Z portion enlarged drawing in Fig. 1.
Fig. 3 is that in the specific embodiment of the invention, drill unit F.F. is changed a job into structural representation during state.
Fig. 4 is Z portion enlarged drawing in Fig. 3.
Fig. 5 is structural representation when drill unit work enters to turn fast-rewinding state in the specific embodiment of the invention.
Fig. 6 is Z portion enlarged drawing in Fig. 5.
Fig. 7 is structural representation when drill unit returns to original position in the specific embodiment of the invention.
Fig. 8 is Z portion enlarged drawing in Fig. 7.
Fig. 9 is A-A sectional structure schematic diagram in Fig. 2.
In figure, 1-motor, 2-decelerator, 3-drill bit, 4-workpiece, 5-line slideway auxiliary, 6-leading screw, 7-slide plate, 8-servomotor, 9-induction rod, 10-inductive switch, 11-bar shaped locating slot, 12-nut seat, 13-limiting plate, 14-locates shoulder I, 15-spring, 16-adapter sleeve, 17-locates shoulder II, 18-storage tank outer edge, 19-storage tank, 20-screw.
Detailed description of the invention
For the technical characterstic of this programme can be clearly demonstrated, below by detailed description of the invention, and in conjunction with its accompanying drawing, this programme is set forth.
A kind of drill unit of automatic control feeding state, as shown in the figure, it comprises power set, feeding part and drilling part, these power set adopt servomotor 8, to realize the accurate control of rotating leading screw 6, servomotor 8 drives leading screw 6 to rotate by transmission mechanism (as synchronous belt drive mechanism).
Wherein, feeding part comprises leading screw 6, coordinate with leading screw 6 and the conversion equipment moved up and down, the slide plate 7 be fixedly connected with conversion equipment and the line slideway auxiliary 5 coordinated with slide plate 7, slide plate 7 is fixedly connected with the nut seat 12 in conversion equipment, screw 20 in conversion equipment coordinates with leading screw 6, realize conversion equipment moving up and down along leading screw 6, drive slide plate 7 synchronization action when conversion equipment moves, drive drilling part to realize feed motion by slide plate 7.
Drilling part comprises motor 1, decelerator 2 and drill bit 3, and drilling part is fixedly connected with slide plate 7, and the decelerator 2 in drilling part is specifically fixedly connected with slide plate 7, drives drilling part to move up and down by slide plate 7.
Conversion equipment comprises screw 20, adapter sleeve 16, spring 15, limiting plate 13, nut seat 12, inductive switch 10 and induction rod 9, described screw 20 coordinates with leading screw 6 and moves up and down along leading screw 6, described induction rod 9 and adapter sleeve 16 are fixedly connected with (as: screw is connected) with the two ends up and down of screw 20 respectively, the lower end of adapter sleeve 16 is fixedly connected with (as: screw connection) limited location plate 13, the upper edge below upset laterally of adapter sleeve 16 forms storage tank 19, nut seat 12 is arranged between storage tank 19 and limiting plate 13, and the height of nut seat 12 is greater than the distance between the lower surface of storage tank 19 outer edge and limiting plate 13 upper surface, namely when the lower end of nut seat 12 coordinates with limiting plate 13, the upper end of nut seat 12 is higher than the lower end of storage tank outer edge 18, undertaken spacing by the upper end of storage tank outer edge 18 pairs of nut seats 12, prevent nut seat 12 radial-play, ensure the action stability of nut seat 12, thus ensure that the stability of the switching signal of inductive switch 10.The inside lower end of nut seat 12 is provided with location shoulder I 14, the upper end of nut seat 12 coordinates with storage tank outer edge 18 grafting, spring 15 is between nut seat 12 and adapter sleeve 16, the upper end of spring 15 coordinates with storage tank 19, lower end is takeed on I 14 with location and coordinated, ensure there is certain distance between adapter sleeve 16 and nut seat 12 by spring 15, thus ensure the reliability of switching signal.
The outside of nut seat 12 is fixedly connected with (as: screw connection) the inductive switch 10 corresponding with induction rod 9, and the outward flange of an end margin wider than storage tank outer edge 18 of inductive switch 10 is installed in nut seat 12, make inductive switch 10 can be arranged on the upper end of nut seat 12, to shorten the actuating length of inductive switch 10, ensure the stability of its switching signal.
The upper end of nut seat 12 with the grafting fit structure of storage tank outer edge 18 is: the one end being provided with inductive switch 10 in nut seat 12 is provided with the bar shaped locating slot 11 coordinated with storage tank outer edge 18, has take on II 17 with the location of storage tank outer edge 18 form fit in nut seat 12 with this end along one end arranged outside of leading screw 6 axisymmetrical.Screw 20 non rotating when this structure can ensure that leading screw 6 rotates, normally carrying out of final guarantee feed motion.
The course of action of this drill unit is: servomotor 8 drives leading screw 6 to rotate by transmission mechanism (as synchronous belt drive mechanism), the screw 20 coordinated with leading screw 6 drive slide plate 7 linearly guideway 5 move up and down, drive motor 1, decelerator 2 and drill bit 3 synchronization action when slide plate 7 moves, thus realize the feed motion of drill unit.The power of drill bit 3 is provided by motor 1 and decelerator 2.
Be put on workbench by workpiece 4, as depicted in figs. 1 and 2, unit head is in the state of F.F., and under the gravity of drilling part and the spring-force driven dual of spring 15, nut seat 12 is pressed on limiting plate 13; Due to induction rod 9 and inductive switch 10 distant, so inductive switch 10 is in the state of no signal.
As shown in Figure 3 and Figure 4, after drill bit 3 contacts workpiece 4, drill bit 3 stops moving down, the spring force that screw 20, adapter sleeve 16 and induction rod 9 overcome spring 15 continues to move down, after adapter sleeve 16 contacts with nut seat 12, induction rod 9 excites inductive switch 10 to produce switching signal, and control system, according to the rotating speed of this signals-modulating servomotor 8, makes drill bit 3 be that work enters state by F.F. State Transferring.
As shown in Figure 5 and Figure 6, after workpiece 4 bores, under the gravity of drilling part and the spring-force driven dual of spring 15, nut seat 12 is pressed on limiting plate 13, adapter sleeve 16 and nut seat 12 are thrown off, inductive switch 10 loses signal, and control system is according to the rotating speed of this signals-modulating servomotor 8, and making drill bit 3 enter State Transferring by work is fast-rewinding state.
As shown in Figure 7 and Figure 8, feeding part and drilling part return to original position, and this working cycle process terminates.
When boring counterbore, control system judges the degree of depth of counterbore according to the encoder pulse that servo-driver exports, and after drill bit 3 reaches the counterbore degree of depth, the rotating speed of control system regulation and control servomotor 8, making drill bit 3 automatically enter State Transferring by work is fast-rewinding state.
Can pass through without the technical characteristic described in the present invention or adopt existing techniques in realizing; do not repeat them here; certainly; above-mentioned explanation is not limitation of the present invention; the present invention is also not limited in above-mentioned embodiment; the change that those of ordinary skill in the art makes in essential scope of the present invention, remodeling, interpolation or replacement, also should belong to protection scope of the present invention.

Claims (6)

1. the drill unit of an automatic control feeding state, it comprises power set, feeding part and drilling part, it is characterized in that: described feeding part comprises leading screw, coordinate with leading screw and the conversion equipment moved up and down, the slide plate be fixedly connected with conversion equipment and the line slideway auxiliary coordinated with slide plate, drilling part is fixedly connected with slide plate, described conversion equipment comprises screw, adapter sleeve, spring, limiting plate, nut seat, inductive switch and induction rod, described screw coordinates with leading screw, described induction rod and adapter sleeve are fixedly connected with the two ends up and down of screw respectively, the lower end of adapter sleeve is fixedly connected with limiting plate, the upper edge below upset laterally of adapter sleeve forms storage tank, nut seat is arranged between storage tank and limiting plate, and the height of nut seat is greater than the distance between the lower surface of storage tank outer edge and limiting plate upper surface, the inside lower end of nut seat is provided with location shoulder I, the upper end of nut seat coordinates with the grafting of storage tank outer edge, spring is between nut seat and adapter sleeve, the upper end of spring coordinates with storage tank, lower end coordinates with location shoulder I, the outside of nut seat is fixedly connected with the inductive switch corresponding with induction rod.
2. the drill unit of automatic control feeding state according to claim 1, is characterized in that: the outward flange of an end margin wider than storage tank outer edge being provided with inductive switch in described nut seat.
3. the drill unit of automatic control feeding state according to claim 2, it is characterized in that: the upper end of described nut seat with the grafting fit structure of storage tank outer edge is: the one end being provided with inductive switch in nut seat is provided with the bar shaped locating slot coordinated with storage tank outer edge having the location of mating with storage tank outer edge profile to take on II with this end along one end arranged outside of leading screw axisymmetrical in nut seat.
4. the drill unit of the automatic control feeding state according to claim 1,2 or 3, is characterized in that: described slide plate is fixedly connected with nut seat.
5. the drill unit of automatic control feeding state according to claim 1, is characterized in that: described drilling part comprises motor, decelerator and drill bit, and decelerator is fixedly connected with slide plate.
6. the drill unit of automatic control feeding state according to claim 1, is characterized in that: described power set are servomotor, and servomotor drives leading screw by transmission mechanism.
CN201310614590.2A 2013-11-28 2013-11-28 A kind of drill unit of automatic control feeding state Active CN103586505B (en)

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Application Number Priority Date Filing Date Title
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CN103586505B true CN103586505B (en) 2015-09-09

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105458336B (en) * 2015-12-18 2017-12-01 重庆欧荣莱汽车配件有限公司 A kind of Novel electric drill
CN105855594A (en) * 2016-05-09 2016-08-17 宁波斯贝科技缸套有限公司 Vertical-horizontal two-way drilling device of cylinder pipe joint
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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Publication number Priority date Publication date Assignee Title
US3885635A (en) * 1974-04-19 1975-05-27 Bendix Corp Two-speed mechanical quill feed and spindle drive mechanism for a machine tool
JPH0890320A (en) * 1994-09-27 1996-04-09 Howa Mach Ltd Tool holder
CN202114304U (en) * 2011-05-21 2012-01-18 浙江西菱台钻制造有限公司 Main shaft automatic feeding device of drilling machine
CN202963522U (en) * 2012-12-05 2013-06-05 深圳市嵩祥精密机械有限公司 Special digital control drilling automation equipment for high-precision small-sized holes
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CN203765037U (en) * 2013-11-28 2014-08-13 济南华汉电气科技有限公司 Drilling power head automatically controlling feeding states

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Address after: Room 409-414, 4th floor, Building A, Shandong Institute of Information and Communication, No. 1768 Xinlu Street, Jinan High-tech Zone, Shandong Province, 250101

Patentee after: Shandong HUAHAN Electronic Co. Ltd.

Address before: Room 001, Block C, 4th Floor, 747 Shunhua Road, Jinan High-tech Zone, Shandong Province, 250101

Patentee before: Jinan Huahan Electric Technology Co., Ltd.

CP03 Change of name, title or address