CN201744756U - Numerical control fancing head system for multi-cutter radial feed - Google Patents
Numerical control fancing head system for multi-cutter radial feed Download PDFInfo
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- CN201744756U CN201744756U CN2010202195891U CN201020219589U CN201744756U CN 201744756 U CN201744756 U CN 201744756U CN 2010202195891 U CN2010202195891 U CN 2010202195891U CN 201020219589 U CN201020219589 U CN 201020219589U CN 201744756 U CN201744756 U CN 201744756U
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Abstract
The utility model relates to a numerical control fancing head system for multi-cutter radial feed. A main shaft is disposed in a main shaft case; a fancing head is disposed on a front end of the main shaft; a main motor is driven by a belt; and a main output gear in fixed connection with a main output shaft is meshed with a main drive gearwheel which is fixedly connected with the main shaft. The numerical control fancing head system is mainly characterized by including a free duplex gear set disposed on the main shaft; a radial feed servo motor is disposed on each end of a plurality of radial feed input shafts at the left; the right end is provided with a feed input gear which is meshed with an input gear of the free duplex gear set; an output gear of the free duplex gear set is meshed with a feed output gear which is fixedly connected with a radial feed output shaft; the radial feed output shaft goes through the main drive gearwheel and is fixedly connected with a driving bevel gear of a bevel gear pair; a screw rod of a screw rod nut mechanism is connected with a driven bevel gear of the bevel gear pair; and the screw rod is connected with a sliding plate on which a radial cutter rest is fixedly connected.
Description
Technical field:
The utility model relates to a kind of multitool of realizing and does the numerical control facing head system of radial feed respectively, relate generally to the structure of the facing head of many slide plates radial feed, for slide plate provides the multichannel feed drive system of feed motion and the spindle drive systems of realization facing head.
Background technology:
At present, adopt the facing head technology in the time of in the time of the cutter rotary cutting, need having the radial feed function usually.Promptly a capstan is installed in the front portion of main shaft, capstan and main shaft rotate synchronously, the slide plate that can do radial motion along capstan is set on capstan, rotatablely moving of the radial motion of slide plate and capstan from the different driving system, because slide plate is to do radial motion when rotating with capstan again on capstan, therefore two different drive systems must realize the plane motion of slide plate by the motion combination mechanism, are installed in the cutting movement that radially moves when cutter on the slide plate just might be implemented in rotation.
According to the data introduction, common facing head mechanism technology mainly contains two kinds: a kind of is the mechanical type facing head, and the radial motion of cutter all relies on mechanical drive train to realize; Another kind is the skateboarding of adopting in the Numeric Control Technology driving facing head, both numerical control facing head.
All realize that by the frame for movement differential attachment motion is synthetic according to the facing head that data is introduced.Even if the numerical control facing head also all is motion to be synthesized realize by differential attachment, the purpose of the differential attachment of these various structures all is in order to realize: do not have when the drive system of slide plate radial motion under the condition of feeding input, differential attachment guarantees that slide plate can not produce when facing head rotates and moves radially.Had the benefit of differential attachment to be, the displacement that the radial motion that drive system transmits is given in the footpath of slide plate is not as there being resultant motion to exist, calculated relationship, and the numerical control compensation is calculated simply.But because the differential attachment of all frame for movement all is made up of a plurality of gear pairs, mechanism's complexity has increased the manufacturing cost of lathe.Owing to the transmission chain length, increased the accumulated error of driving-chain, realize that to lathe gapless feeding transmission has increased difficulty.And the facing head of data introduction can both be realized the radial feed motion of one dimension, promptly has only a radial feed driving-chain, one pair of radial feed slide plate.
The utility model content:
The purpose of this utility model is to avoid the deficiencies in the prior art, and a kind of numerical control facing head system that realizes respective radial feed of multiple is provided.This system is many can be made cutter rotary cutting motion and radial feed, realize the numerical control cutting facing head device of two coordinate linkages with other direction feeding simultaneously.
For achieving the above object, the technical scheme that the utility model is taked is: a kind of numerical control facing head system that realizes respective radial feed of multiple, include and in main spindle box (1), be provided with main shaft (21), front end at main shaft (21) is provided with facing head (15), main output gear (17) and main transmission gear wheel (16) engagement that main motor is connected to the main output shaft (18) by belt transmission, main transmission gear wheel (16) is connected with main shaft (21), and its main feature includes and be provided with empty cover duplicate gear group (4) on main shaft (21); The left end of a plurality of radial feed power shafts (2) is provided with the radial feed servomotor at each axle head, right-hand member is provided with feeding input gear (3) and empty input gears engaged of overlapping duplicate gear group (4), the output gear of empty cover duplicate gear group (4) and feeding output gear (5-1) engagement, feeding output gear (5-1) is fixed on the radial feed output shaft (6-1), radial feed output shaft (6-1) passes main transmission gear wheel (16), is connected with the drive bevel gear (7-1) of Bevel Gear Transmission pair; The leading screw of screw-nut body (13-1) is connected by dynamic bevel gear (8-1) with the Bevel Gear Transmission pair, and leading screw is connected with slide plate (11-1), is fixed with radial tool post (10) on the slide plate (11-1).
The described numerical control facing head system that realizes respective radial feed of multiple, also include feeding output gear (5-1) counterparty who meshes at output gear and also be provided with another feeding output gear (5-2) to 180 degree places with sky cover duplicate gear group (4), feeding output gear (5-2) is located on the radial feed output shaft (6-2), radial feed output shaft (6-2) passes main transmission gear wheel (16), on radial feed output shaft (6-2), also be provided with the drive bevel gear (7-2) of Bevel Gear Transmission pair, with being meshed of Bevel Gear Transmission pair by mantle tooth (8-2) wheel; The leading screw of screw-nut body (13-2) is connected by dynamic bevel gear (8-2) with the Bevel Gear Transmission pair, and leading screw is connected with slide plate (11-2), is fixed with radial tool post (14) on the slide plate (11-2).
The described numerical control facing head system that realizes respective radial feed of multiple, described empty cover duplicate gear group (4) is provided with first duplicate gear (4-1) for including main shaft (21), is provided with clutch shaft bearing (4-4) between main shaft (21) and first duplicate gear (21).
The described numerical control facing head system that realizes respective radial feed of multiple, described empty cover duplicate gear group (4) also includes and be provided with second duplicate gear (4-2) on first duplicate gear (4-1), is provided with second bearing (4-5) between first duplicate gear (4-1) and second duplicate gear (4-2).
The described numerical control facing head system that realizes respective radial feed of multiple, described empty cover duplicate gear group (4) is provided with the 3rd duplicate gear (4-3) on second duplicate gear (4-2), be provided with the 3rd bearing (4-6) between second duplicate gear (4-2) and the 3rd duplicate gear (4-3).
The described numerical control facing head system that realizes respective radial feed of multiple, described radial feed power shaft (2) is 1-3; Feeding output gear and radial feed output shaft are 1-6.
The beneficial effects of the utility model: the utility model provides that a kind of simple in structure, driving-chain is short, location and cutting precision height, just can not satisfy the numerical control facing head of gas thread lathe for machining demand by the mechanical movement combination mechanism.And owing to simple in structure, driving-chain are lacked, made lathe that many feeding driving-chains might be set, at facing head a plurality of slide plates that move radially are set, each free relatively independent feeding driving-chain of each slide plate drives.Thereby realize that the needs configuration of processing according to gas thread is many cutter, the every relatively independent separately realization of cutter is finished when rotated moves radially.Enlarged the function of lathe, reached the raising automaticity, the purpose of boosting productivity.
1) front end at main shaft is equipped with a facing head that rotates with main shaft, and three to six vertical with the main shaft center line and can radially move along main shaft slide blocks can uniformly be set on facing head, and tool-post structure is installed on slide block, and cutter is installed on the tool-post structure.Main spindle box is installed on the main spindle box slide plate, and by the driving of servomotor, ball screw framework, the main spindle box slide plate can move along machine tool guideway.Because main shaft is parallel with machine tool guideway, axial feed driven by servomotor main spindle box slide plate can move along machine tool guideway.Because main spindle box is parallel with machine tool guideway, driven by servomotor main spindle box slide plate drives cutter and realizes numerical control feeding motion longitudinally.
2) front end at main shaft is equipped with facing head, is equipped with in the facing head can be six of moving radially along facing head and move radially slide plate, moves radially slide plate and is driven by the feeding driving-chain by the feed servo motor, drives cutter and realizes radially numerical control campaign.
3) main motor is installed on the main spindle box slide plate, realizes the main motion of lathe by belt pulley, gear driven main axis rotation.Main motor is realized speed governing by frequency conversion control technique.The actual revolution of main shaft is by being installed in the synchronous pulley of main shaft afterbody, the rotation of driven rotary encoder, the actual revolution (being the actual displacement angle amount of main shaft) of rotary encoder output main shaft.Digital control system reads numerical value that rotary encoder the records foundation as feed servo system and main motion interlock.
4) each slide plate that moves radially all with the fixed installation of the two ends of ball-screw, the axial location of ball screw assembly, nut is fixed in the facing head, the nut of ball screw assembly, can be realized rotating freely, and a bevel gear is installed on the nut of ball-screw, with its coaxial rotation.With rotatablely moving of another bevel gear of the supporting engagement of this bevel gear from the radial feed driving-chain.After drive bevel gear is rotatablely moved from the radial feed transmission link, by driven the nut rotation of ball-screw by dynamic bevel gear, because the axial location of ball screw assembly, nut is fixed in the facing head, therefore moving radially ball-screw just does along self axial moving, thereby drive move radially skateboarding hard-wired with it, knife rest is installed on the slide plate, realizes the radial feed of cutter.
5) because can realizing a plurality of slide plates that move radially, facing head structure of the present utility model does the radial feed motion respectively, each moves radially slide plate by the bevel-gear sett transmission, and the rotation that will be parallel to the feeding power transmission shaft of machine tool chief axis is converted to the transmission perpendicular to the radial feed ball screw assembly, nut of machine tool chief axis.Therefore each drive bevel gear is accepted a transmission that comes the self-feed motor separately.
6) parallel with machine tool chief axis to the axis of the drive bevel gear of each slide plate that moves radially transmission feed motion, being distributed in the machine tool chief axis axis is on the circumference in the center of circle.The feed motion that drive bevel gear acceptance is transmitted from the feed servo motor, the feed motion chain is given drive bevel gear by the duplicate gear that sky is enclosed within on the main shaft with the transmission of rotation that servomotor transmits.Because the axis of drive bevel gear is the revolution motion in the center of circle doing with the machine tool chief axis axis also when main shaft rotates, so the actual rotation of drive bevel gear is that the revolution of axis is synthesized with the motion from the rotation of feed servo motor.In order to address this problem, existing facing head lathe all adopts frame for movement frame for movement differential attachment to realize that motion is synthetic, and explained the front, and the existence of frame for movement differential attachment makes mechanism's complexity, has increased driving error.The utility model has been cancelled the frame for movement differential attachment, realizes that with numerical control software motion is synthetic, substitutes mechanical drive train with the electronics driving-chain, has simplified mechanical transmission structure, has improved the precision of feed motion.
7) each moves radially slide plate and is installed in the facing head by line slideway, thereby guarantees its kinematic accuracy.
This structure can guarantee the required precision of workpiece processing fully owing to adopt numerical control control and ball-screw transmission; On Digit Control Machine Tool, can carry out two coordinate linkages,, the fixation workpiece surface of revolution be carried out machining, be particularly suitable for inside and outside circle end face, surface of revolution, the straight or awl internal and external screw thread processing of metric and English large-diameter workpiece by the rotating tool mode with other axle.Advantages such as that the utility model also has is rational in infrastructure, good rigidly, precision height, long service life, applied range.
Description of drawings:
Fig. 1 is a structural representation of the present utility model
Fig. 2 is that schematic diagram is looked on the cutting facing head structure right side among Fig. 1.
Fig. 3 is that the sky cover duplicate gear group feeding driving-chain structure among Fig. 1 is looked schematic diagram.
The specific embodiment:
Below principle of the present utility model and feature are described, institute gives an actual example and only is used to explain the utility model, is not to be used to limit scope of the present utility model.
Embodiment 1: see Fig. 1, Fig. 2, Fig. 3, a kind of numerical control facing head system that realizes one tunnel feeding, two cutter radial feeds, include and in main spindle box 1, be provided with main shaft 21, be provided with facing head 15, main output gear 17 and 16 engagements of main transmission gear wheel that main motor is connected to the main output shaft 18 by belt transmission at the front end of main shaft 21, main transmission gear wheel 16 is connected with main shaft 21, is provided with empty cover duplicate gear group 4 on main shaft 21; The left end of 1 radial feed power shaft 2 is provided with the radial feed servomotor at axle head, right-hand member is provided with feeding input gear 3 and empty input gears engaged of overlapping duplicate gear group 4, the output gear of empty cover duplicate gear group 4 and feeding output gear 5-1 engagement, feeding output gear 5-1 is fixed on the radial feed output shaft 6-1, radial feed output shaft 6-1 passes main transmission gear wheel 16, is connected with the drive bevel gear 7-1 of Bevel Gear Transmission pair; The leading screw of screw-nut body 13-1 is connected by dynamic bevel gear 8-1 with the Bevel Gear Transmission pair, and leading screw is connected with slide plate 11-1, is fixed with radial tool post 10 on the slide plate 11-1.
The feeding output gear 5-1 counterparty who meshes at the output gear with sky cover duplicate gear group 4 also is provided with another feeding output gear 5-2 to 180 degree places, feeding output gear 5-2 is located on the radial feed output shaft 6-2, radial feed output shaft 6-2 passes main transmission gear wheel 16, on radial feed output shaft 6-2, also be provided with the drive bevel gear 7-2 of Bevel Gear Transmission pair, with being meshed of Bevel Gear Transmission pair by mantle tooth 8-2 wheel; The leading screw of screw-nut body 13-2 is connected by dynamic bevel gear 8-2 with the Bevel Gear Transmission pair, and leading screw is connected with slide plate 11-2, is fixed with radial tool post 14 on the slide plate 11-2.
Described empty cover duplicate gear group 4 is provided with the first duplicate gear 4-1 for including main shaft 21, is provided with clutch shaft bearing 4-4 between the main shaft 21 and first duplicate gear 21.
Embodiment 2: see Fig. 1, Fig. 2, Fig. 3, a kind of two tunnel feeding four blade cuttves numerical control facing head system of radial feed respectively that realizes, described empty cover duplicate gear group 4 also includes and be provided with the second duplicate gear 4-2 on the first duplicate gear 4-1, is provided with the second bearing 4-5 between the first duplicate gear 4-1 and the second duplicate gear 4-2.Described radial feed power shaft 2 is 2; Feeding output gear and radial feed output shaft are 4.
Embodiment 3: see Fig. 1, Fig. 2, Fig. 3, a kind of three tunnel feedings, six cuttves numerical control facing head system of radial feed respectively that realizes, described empty cover duplicate gear group 4 is provided with the 3rd duplicate gear 4-3 on the second duplicate gear 4-2, be provided with the 3rd bearing 4-6 between the second duplicate gear 4-2 and the 3rd duplicate gear 4-3.Described radial feed power shaft 2 is 3; Feeding output gear and radial feed output shaft are 6.
The utility model is provided with a facing head with main axis rotation at the front end of main shaft 21, facing head is provided with a vertical slide block that can move along the main shaft radial direction with the hollow spindle center line, tool-post structure is installed on slide block, the cutter clamping is on tool-post structure, the end of main shaft is equipped with Synchronous Belt Drives, give rotary encoder with the transmission of rotation of main shaft, rotary encoder detects the actual state that main shaft rotates all the time, and transfers data to digital control system.The duplicate gear that sky is enclosed within on the main shaft plays transitional function in the feeding driving-chain again, because the radial feed servomotor that exists of this duplicate gear can be fixedly mounted on the main spindle box, motion is passed to the input end gear of duplicate gear, and the gear of output end of duplicate gear is transferred to drive bevel gear with motion, the gear of output end of the duplicate gear of this moment plays the effect of sun opinion, plays planetary effect with the gear of output end engagement of coaxial mounted roller gear of drive bevel gear and duplicate gear.The central shaft parallel with main-shaft axis links to each other with bevel gear in the facing head, bevel gear by nut seat be arranged on the ball-screw of cutting in the facing head and link to each other, ball-screw is fixedlyed connected with the slide plate that moves radially of cutting on the facing head, moves radially slide plate and radially does straight reciprocating motion along facing head thereby drive.
This arrangement works process is as follows: main electric motor starting, main shaft rotation and drive facing head and bevel gear turn round with same rotational speed, at this moment, encoder in time records the motion state of main shaft, digital control system in time will be given the radial feed servomotor by the transfer of data that software calculates, and this moment, the radial feed servomotor rotated with basic revolution, guarantee that drive bevel gear does not produce autobiography, therefore, move radially slide plate and do not produce radial motion along facing head.When needs move radially slide plate and radially move, digital control system in time will be calculated working speed radially by software and be added on the basic rotating speed of radial feed servomotor, by the actual speed of the synthetic rear motor of software.At this moment, drive bevel gear is rotated, and moves radially the radial motion of slider plate generation along facing head.
Because the utility model has solved 6 fast slide plates and has been distributed in structure in the facing head; The difference transmission means and the structure thereof of radial feed motion.Finished the function that workpiece is motionless, cutter rotates and do axial feed that gas thread is added man-hour under the acting in conjunction of main spindle box technology of the present utility model, main transmission technology, radial feed driving-chain technology, motion synthetic technology.
The above only is preferred embodiment of the present utility model, and is in order to restriction the utility model, not all within spirit of the present utility model and principle, any modification of being done, is equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (6)
1. numerical control facing head system that can realize respective radial feed of multiple, include and in main spindle box (1), be provided with main shaft (21), front end at main shaft (21) is provided with facing head (15), main output gear (17) and main transmission gear wheel (16) engagement that main motor is connected to the main output shaft (18) by belt transmission, main transmission gear wheel (16) is connected with main shaft (21), and its feature includes and be provided with empty cover duplicate gear group (4) on main shaft (21); The left end of a plurality of radial feed power shafts (2) is provided with the radial feed servomotor at each axle head, right-hand member is provided with feeding input gear (3) and empty input gears engaged of overlapping duplicate gear group (4), the output gear of empty cover duplicate gear group (4) and feeding output gear (5-1) engagement, feeding output gear (5-1) is fixed on the radial feed output shaft (6-1), radial feed output shaft (6-1) passes main transmission gear wheel (16), is connected with the drive bevel gear (7-1) of Bevel Gear Transmission pair; The leading screw of screw-nut body (13-1) is connected by dynamic bevel gear (8-1) with the Bevel Gear Transmission pair, and leading screw is connected with slide plate (11-1), is fixed with radial tool post (10) on the slide plate (11-1).
2. the numerical control facing head system that realizes respective radial feed of multiple as claimed in claim 1, its feature also includes feeding output gear (5-1) counterparty who meshes at the output gear with sky cover duplicate gear group (4) and also is provided with another feeding output gear (5-2) to 180 degree places, feeding output gear (5-2) is located on the radial feed output shaft (6-2), radial feed output shaft (6-2) passes main transmission gear wheel (16), on radial feed output shaft (6-2), also be provided with the drive bevel gear (7-2) of Bevel Gear Transmission pair, with being meshed of Bevel Gear Transmission pair by mantle tooth (8-2) wheel; The leading screw of screw-nut body (13-2) is connected by dynamic bevel gear (8-2) with the Bevel Gear Transmission pair, and leading screw is connected with slide plate (11-2), is fixed with radial tool post (14) on the slide plate (11-2).
3. the numerical control facing head system that realizes respective radial feed of multiple as claimed in claim 1, the described empty cover duplicate gear group of its feature (4) is provided with first duplicate gear (4-1) for including main shaft (21), is provided with clutch shaft bearing (4-4) between main shaft (21) and first duplicate gear (21).
4. the numerical control facing head system that realizes respective radial feed of multiple as claimed in claim 3, the described empty cover duplicate gear group of its feature (4) also includes and be provided with second duplicate gear (4-2) on first duplicate gear (4-1), is provided with second bearing (4-5) between first duplicate gear (4-1) and second duplicate gear (4-2).
5. the numerical control facing head system that realizes respective radial feed of multiple as claimed in claim 4, the described empty cover duplicate gear group of its feature (4) is provided with the 3rd duplicate gear (4-3) on second duplicate gear (4-2), be provided with the 3rd bearing (4-6) between second duplicate gear (4-2) and the 3rd duplicate gear (4-3).
6. the numerical control facing head system that realizes respective radial feed of multiple as claimed in claim 1, the described radial feed power shaft of its feature (2) is 1-3; Feeding output gear and radial feed output shaft are 1-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202195891U CN201744756U (en) | 2010-06-08 | 2010-06-08 | Numerical control fancing head system for multi-cutter radial feed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202195891U CN201744756U (en) | 2010-06-08 | 2010-06-08 | Numerical control fancing head system for multi-cutter radial feed |
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| Publication Number | Publication Date |
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| CN201744756U true CN201744756U (en) | 2011-02-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010202195891U Expired - Fee Related CN201744756U (en) | 2010-06-08 | 2010-06-08 | Numerical control fancing head system for multi-cutter radial feed |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101870013A (en) * | 2010-06-08 | 2010-10-27 | 兰州机床厂 | Numerical control facing head system capable of realizing respective radial feed of multiple cutters |
| CN104772530A (en) * | 2015-04-17 | 2015-07-15 | 无锡市新湖冷拔校直机厂 | Centerless machine tool |
| CN109108395A (en) * | 2018-11-06 | 2019-01-01 | 台州市硕阳机械股份有限公司 | A kind of gas tank end cap thread tapping machine |
-
2010
- 2010-06-08 CN CN2010202195891U patent/CN201744756U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101870013A (en) * | 2010-06-08 | 2010-10-27 | 兰州机床厂 | Numerical control facing head system capable of realizing respective radial feed of multiple cutters |
| CN101870013B (en) * | 2010-06-08 | 2013-01-30 | 兰州星火机床有限公司 | Numerical control facing head system capable of realizing respective radial feed of multiple cutters |
| CN104772530A (en) * | 2015-04-17 | 2015-07-15 | 无锡市新湖冷拔校直机厂 | Centerless machine tool |
| CN104772530B (en) * | 2015-04-17 | 2017-04-19 | 无锡市新湖冷拔校直机厂 | Centerless machine tool |
| CN109108395A (en) * | 2018-11-06 | 2019-01-01 | 台州市硕阳机械股份有限公司 | A kind of gas tank end cap thread tapping machine |
| CN109108395B (en) * | 2018-11-06 | 2020-03-24 | 台州市硕阳机械股份有限公司 | Gas pitcher end cover screw thread tapping machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: LANZHOU SPARK CNC MACHINE TOOL CO., LTD. Free format text: FORMER NAME: LANZHOU MACHINE TOOL CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 730070 No. 888 Anning West Road, Anning District, Gansu, Lanzhou Patentee after: Lanzhou Machine Tool Plant Address before: 730070 No. 888 Anning West Road, Anning District, Gansu, Lanzhou Patentee before: Lanzhou Machine Tool Plant |
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| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110216 Termination date: 20120608 |