CN203765037U - Drilling power head automatically controlling feeding states - Google Patents
Drilling power head automatically controlling feeding states Download PDFInfo
- Publication number
- CN203765037U CN203765037U CN201320762531.5U CN201320762531U CN203765037U CN 203765037 U CN203765037 U CN 203765037U CN 201320762531 U CN201320762531 U CN 201320762531U CN 203765037 U CN203765037 U CN 203765037U
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- China
- Prior art keywords
- nut seat
- storage tank
- drilling
- fixedly connected
- feeding
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Abstract
The utility model provides a drilling power head automatically controlling feeding states. The drilling power head comprises a power device, a feeding part and a drilling part. The feeding part comprises a lead screw, a conversion device, a sliding plate and a linear guide rail pair, wherein the conversion device is matched with the lead screw and moves up and down, the sliding plate is fixedly connected with the conversion device, and the linear guide rail pair is matched with the sliding plate. The drilling part is fixedly connected with the sliding plate. Connection between the lead screw and a lead screw base is designed to be of a floating structure. The feeding states are automatically converted in the mode that an inductive switch detects the position, in other words, the feeding mode is that the drilling power head is in the rapid feeding state when not making contact with a workpiece, the drilling power head is automatically in the workpiece feeding state when making contact with the workpiece, and the drilling power head is automatically in the rapid receding state when drilling through or reaching the counter bore depth. A counter bore depth numerical value needs to be input, and feeding travel data such as drill power head length and workpiece thickness do not need to be input. The drilling power head can drill through holes as well as counter bores, is high in machining efficiency, simple in structure and free of maintenance and can avoid some misoperations of operators.
Description
Technical field
The utility model 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 be controlled the conversion between each feeding state automatically, need input thickness of workpiece, the length of the bit and idle stroke allowance in advance, calculate F.F., work is entered and the dislocation of rewind down, by numerical control device, control or determine by tool setting the original position that work is entered, after boring thoroughly, by work, enter state again and be converted to rewind down state, thereby complete the processing of through hole.Due to the workpiece for different drill bits and different-thickness, operator must often measure and input the parameters such as thickness of workpiece and the length of the bit, make operation more loaded down with trivial details, sometimes also there will be operating mode to change parameters such as forgetting input thickness of workpiece and the length of the bit afterwards, result causes maloperation or damages the situation of drill bit, due to idle stroke allowance, also make the Efficiency Decreasing of boring, the existing weak point of prior art that Here it is simultaneously.
Utility model content
The technical problems to be solved in the utility model, is exactly for the existing deficiency of prior art, and a kind of drill unit of automatic control feeding state is provided, and this drill unit can be changed 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 partly comprises leading screw, coordinate with leading screw and the conversion equipment moving up and down, the slide plate being fixedly connected with conversion equipment and the line slideway auxiliary that coordinates 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 is fixedly connected with the two ends up and down of screw respectively with adapter sleeve, the lower end of adapter sleeve is fixedly connected with limiting plate, the below upset laterally of the upper edge 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 lower surface of storage tank outer edge and the distance between limiting plate upper surface, the inside lower end of nut seat is provided with location shoulder I, peg graft and coordinate with storage tank outer edge in the upper end of nut seat, 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.In this conversion equipment, adopt after the floating mount structure of nut seat, by fluctuating of nut seat, dynamic inductive switch approaches induction rod and makes induction switch producing switching signal, or make inductive switch away from induction rod and lose switching signal, control system is according to the feeding state of the signal controlling drilling part of inductive switch feedback.
The end margin that inductive switch is installed in above-mentioned nut seat is wider than the outward flange of storage tank outer edge, makes inductive switch can be arranged on the upper end of nut seat, to shorten the actuating length of inductive switch, guarantees 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: one end that inductive switch is installed in nut seat is provided with the bar shaped locating slot coordinating with storage tank outer edge, in nut seat, has the location shoulder II with storage tank outer edge form fit with this end along one end arranged outside of leading screw axis symmetry.This connected structure can be realized 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 on the other hand the circumferential rotation of nut seat, to guarantee normally carrying out of feed motion.
Above-mentioned slide plate is fixedly connected with nut seat, this version can guarantee when the drill bit of drilling part does not contact workpiece and after 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 partly comprises motor, decelerator and drill bit, and decelerator is fixedly connected with slide plate, and slide plate drives decelerator and motor and drill bit synchronization action during along the moving up and down of line slideway auxiliary, and realizes the feeding of drill bit.
Above-mentioned power set are servomotor, and servomotor drives leading screw by transmission mechanism, can control accurately the rotation of leading screw by servomotor.
The beneficial effect of this programme can be learnt according to the narration to such scheme, in the drill unit of this automatic control feeding state, automatically changes 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; After drill bit contact workpiece, automatically transfer work to and enter state; After the saturating workpiece of bit drills or while being drilled into the counterbore degree of depth, drill bit transfers rewind down state automatically to.Except the counterbore degree of depth need to be inputted numerical value, without input other feed distance data (as the thickness of the length of drill bit and workpiece).This drill unit can drill through hole can bore counterbore again, and working (machining) efficiency is high, simple in structure, and Maintenance free, can also avoid some maloperations of operating personnel.As can be seen here, the utility model compared with prior art, has substantive distinguishing features and progress, and the beneficial effect of its enforcement is also apparent.
Accompanying drawing explanation
Fig. 1 is structural representation during drill unit F.F. state in the utility model specific embodiment.
Fig. 2 is Z portion enlarged drawing in Fig. 1.
Fig. 3 is structural representation when drill unit F.F. is changed a job into state in the utility model specific embodiment.
Fig. 4 is Z portion enlarged drawing in Fig. 3.
Fig. 5 is structural representation when drill unit work enters to turn rewind down state in the utility model specific embodiment.
Fig. 6 is Z portion enlarged drawing in Fig. 5.
Fig. 7 is structural representation when drill unit returns to original position in the utility model specific embodiment.
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-location shoulder I, 15-spring, 16-adapter sleeve, 17-location shoulder II, 18-storage tank outer edge, 19-storage tank, 20-screw.
The specific embodiment
For clearly demonstrating the technical characterstic of this programme, below by the specific embodiment, 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 that leading screw 6 is rotated, servomotor 8 drives leading screw 6 to rotate by transmission mechanism (as synchronous belt drive mechanism).
Wherein, feeding partly comprises leading screw 6, coordinate with leading screw 6 and the conversion equipment moving up and down, the slide plate 7 being fixedly connected with conversion equipment and the line slideway auxiliary 5 that coordinates 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, when conversion equipment moves, drive slide plate 7 synchronization actions, by slide plate 7, drive drilling partly to realize feed motion.
Drilling partly comprises motor 1, decelerator 2 and drill bit 3, and drilling part is fixedly connected with slide plate 7, is that the decelerator 2 in drilling part is fixedly connected with slide plate 7 specifically, by slide plate 7, drives drilling partly to move up and down.
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 is fixedly connected with (as: screw is connected) with the two ends up and down of screw 20 respectively with adapter sleeve 16, the lower end of adapter sleeve 16 is fixedly connected with (as: screw connection) limited location plate 13, the below upset laterally of the upper edge 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 lower surface of storage tank 19 outer edges and the distance between limiting plate 13 upper surfaces, be that the lower end of nut seat 12 is when coordinate with limiting plate 13, the upper end of nut seat 12 is higher than the lower end of storage tank outer edge 18, upper end by 18 pairs of nut seats 12 of storage tank outer edge is carried out spacing, prevent nut seat 12 radial-plays, guarantee the action stability of nut seat 12, thereby guaranteed 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, peg graft and coordinate with storage tank outer edge 18 in the upper end of nut seat 12, spring 15 is between nut seat 12 and adapter sleeve 16, the upper end of spring 15 coordinates with storage tank 19, lower end coordinates with location shoulder I 14, by spring 15, guarantee there is certain distance between adapter sleeve 16 and nut seat 12, thereby guarantee the reliability of switching signal.
The outside of nut seat 12 is fixedly connected with (as: screw connection) the inductive switch corresponding with induction rod 9 10, and the end margin that inductive switch 10 is installed in nut seat 12 is wider than the outward flange of storage tank outer edge 18, make inductive switch 10 can be arranged on the upper end of nut seat 12, to shorten the actuating length of inductive switch 10, guarantee 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: one end that inductive switch 10 is installed in nut seat 12 is provided with the bar shaped locating slot 11 coordinating with storage tank outer edge 18, in nut seat 12, has the location shoulder II 17 with storage tank outer edge 18 form fit with this end along one end arranged outside of leading screw 6 axis symmetries.When this structure can guarantee leading screw 6 rotation, screw 20 does not rotate, and finally guarantees normally carrying out of feed motion.
The course of action of this drill unit is: servomotor 8 drives leading screw 6 rotations by transmission mechanism (as synchronous belt drive mechanism), the screw 20 coordinating with leading screw 6 drives slide plate 7 to move up and down along line slideway auxiliary 5, drive motor 1, decelerator 2 and drill bit 3 synchronization actions 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.
Workpiece 4 is put on workbench, as depicted in figs. 1 and 2, the state of unit head in F.F., 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 the state of inductive switch 10 in no signal.
As shown in Figure 3 and Figure 4, after drill bit 3 contact 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 converted to work by F.F. state and enters state.
As shown in Figure 5 and Figure 6, after workpiece 4 bores thoroughly, 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 loss signals, control system, according to the rotating speed of this signals-modulating servomotor 8, makes drill bit 3 enter state by work and is converted to rewind down state.
As shown in Figure 7 and Figure 8, feeding part and drilling partly return to original position, and this working cycle process finishes.
When boring counterbore, control system is judged the degree of depth of counterbore according to the encoder pulse of servo-driver output, and drill bit 3 reaches after the counterbore degree of depth, and the rotating speed of control system regulation and control servomotor 8, makes drill bit 3 automatically by work, enter state and be converted to rewind down state.
In the utility model, without the technical characterictic of describing, can pass through or adopt existing techniques in realizing; do not repeat them here; certainly; above-mentioned explanation is not to restriction of the present utility model; the utility model is also not limited in above-mentioned embodiment; the variation that those of ordinary skill in the art makes in essential scope of the present utility model, remodeling, interpolation or replacement, also should belong to protection domain of the present utility model.
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 partly comprises leading screw, coordinate with leading screw and the conversion equipment moving up and down, the slide plate being fixedly connected with conversion equipment and the line slideway auxiliary that coordinates 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 is fixedly connected with the two ends up and down of screw respectively with adapter sleeve, the lower end of adapter sleeve is fixedly connected with limiting plate, the below upset laterally of the upper edge 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 lower surface of storage tank outer edge and the distance between limiting plate upper surface, the inside lower end of nut seat is provided with location shoulder I, peg graft and coordinate with storage tank outer edge in the upper end of nut seat, 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 end margin that inductive switch is installed in described nut seat is wider than the outward flange of storage tank outer edge.
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: one end that inductive switch is installed in nut seat is provided with the bar shaped locating slot coordinating with storage tank outer edge along one end arranged outside of leading screw axis symmetry, having the location shoulder II with storage tank outer edge form fit with this end in nut seat.
4. according to the drill unit of the automatic control feeding state described in claim 1,2 or 3, it 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 partly 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320762531.5U CN203765037U (en) | 2013-11-28 | 2013-11-28 | Drilling power head automatically controlling feeding states |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320762531.5U CN203765037U (en) | 2013-11-28 | 2013-11-28 | Drilling power head automatically controlling feeding states |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203765037U true CN203765037U (en) | 2014-08-13 |
Family
ID=51282284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320762531.5U Withdrawn - After Issue CN203765037U (en) | 2013-11-28 | 2013-11-28 | Drilling power head automatically controlling feeding states |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203765037U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103586505A (en) * | 2013-11-28 | 2014-02-19 | 济南华汉电气科技有限公司 | Drilling power head capable of controlling feeding states thereof |
| CN106001700A (en) * | 2016-07-27 | 2016-10-12 | 宁波金凤焊割机械制造有限公司 | Drill bit mechanism of steel tube bundle drilling machine |
-
2013
- 2013-11-28 CN CN201320762531.5U patent/CN203765037U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103586505A (en) * | 2013-11-28 | 2014-02-19 | 济南华汉电气科技有限公司 | Drilling power head capable of controlling feeding states thereof |
| CN106001700A (en) * | 2016-07-27 | 2016-10-12 | 宁波金凤焊割机械制造有限公司 | Drill bit mechanism of steel tube bundle drilling machine |
| CN106001700B (en) * | 2016-07-27 | 2019-03-12 | 宁波金凤焊割机械制造有限公司 | A kind of drill bit mechanism of steel pipe bundle 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 |
Granted publication date: 20140813 Effective date of abandoning: 20150909 |
|
| RGAV | Abandon patent right to avoid regrant |