CN102319909A - Single-servo power tool rest - Google Patents
Single-servo power tool rest Download PDFInfo
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- CN102319909A CN102319909A CN201110213911A CN201110213911A CN102319909A CN 102319909 A CN102319909 A CN 102319909A CN 201110213911 A CN201110213911 A CN 201110213911A CN 201110213911 A CN201110213911 A CN 201110213911A CN 102319909 A CN102319909 A CN 102319909A
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- gear
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- cutter
- powershift
- shifting slide
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Abstract
The invention belongs to the field of a tool rest for a numerically-controlled machine tool, and in particular relates to a single-servo power tool rest. In the invention, a tool disk and a power tool are driven by the same servo motor, and the power switchover problem of the tool rest is solved by a sliding gear clutch, wherein, the servo motor is connected with a power input shaft through a moment limiter, the tool disk is transposed through secondary gear transmission, and the power tool is driven by tertiary gear transmission; and the working conditions of the clutch, a triple fluted disc and the power tool are controlled by a hydraulic system. Compared with the common servo power tool rest, the single-servo power tool rest has the advantages of low cost, light weight, small volume and the like, and adds an overload protection function.
Description
Technical field
The invention belongs to Digit Control Machine Tool and use the knife rest technical field, particularly a kind of single servo power knife rest.
Background technology
Along with industrial expansion; To demands for higher performance such as process time of lathe and machining accuracies; The turnning and milling Compositions of metal-working machines then becomes the important process equipment in the industrial circles such as Aeronautics and Astronautics, military project, and servo saddle is the critical function parts of turnning and milling Compositions of metal-working machines.Traditional numerically-controlled slide can only be installed by lathe tool or boring cutter carries out the most basic turning function; For the turning center or the turnning and milling composite processing machine tool that can carry out processing such as turning, boring, milling; Except requiring knife rest to have the indexing function, also need the driving function of power cutter.
Double-servo power knife rest, knife rest indexing mechanism and power cutter driving mechanism are respectively by two driven by servomotor.The use of two servomotors has increased purchase cost, and the volume and weight of knife rest is increased.The employing single servo motor drives the knife rest indexing mechanism respectively and the power cutter can address the above problem, but the transmission mechanism of knife rest and powershift mechanism become the important techniques difficult point.
Summary of the invention
Shortcomings and deficiencies to existing servo power knife rest; The present invention provides a kind of single servo power knife rest; Dynamic tool apron installing hole on cutterhead axis direction on cutterhead is arranged; Single servo motor drives the stock removal action of cutterhead transposition and power cutter simultaneously, solves the transmission mechanism design and the powershift problem of cutterhead transposition and power cutter drives.
For realizing above-mentioned purpose; The technical scheme that the present invention adopts is: single servo power knife rest; Comprise servomotor, knife rest casing, cutterhead and dynamic tool apron, servomotor connects power input shaft, and the power input shaft other end is provided with the shifting slide gear arrangement of clutch; The shifting slide gear arrangement of clutch comprises shifting slide gear and two powershift gears that are mated; Powershift gear I connects cutterhead through double geared cutterhead indexing mechanism, and powershift gear II connects the cutter drives part through the power cutter transmission mechanism of tertiary gear transmission, and the cutter drives part connects dynamic tool apron.
Between said servomotor and the power input shaft limiter of moment is installed.
Said shifting slide gear arrangement of clutch comprises power input shaft, power shaft cutterhead side gear, shifting slide gear, powershift gear I, powershift gear II, shift fork and piston; Power shaft cutterhead side gear, shifting slide gear, powershift gear I, powershift gear II are installed on the power input shaft successively; Power shaft cutterhead side gear, shifting slide gear, powershift gear I have the identical number of teeth and modulus; Shifting slide gear is an inside engaged gear; Power shaft cutterhead side gear, powershift gear I are the external gear pumps that cooperates with shifting slide gear; Powershift gear I is sleeved on the power input shaft through needle bearing, and powershift gear II is fixed on the power input shaft end, and shift fork is installed on the shifting slide gear; Be fixed with piston on the shift fork, piston tail is provided with and is used to detect shifting slide gear near switch and whether arrives the tram.
Said cutterhead indexing mechanism mainly is made up of second jackshaft, cutter plate driver gear, active toothed disk, fixed tooth disk, locking fluted disc and piston; Travelling gear III on second jackshaft and powershift gear I are meshing with each other; Travelling gear IV and cutter plate driver gear that the second jackshaft other end is installed are meshing with each other; Active toothed disk is fixedly connected with the cutter plate driver gear, and cutter plate driver gear and gear shaft are monolithic construction, and the cutter plate driver gear outside is equipped with near switch; Cutterhead is installed on the active toothed disk, on the knife rest casing fixed tooth disk is installed, the locking fluted disc is installed in fixed tooth disk and is fixedly connected with the active toothed disk opposite and with piston, and fixed tooth disk, active toothed disk, locking fluted disc form three fluted disc mechanisms.
Said power cutter transmission mechanism mainly is made up of first jackshaft, gear wheel, cutter drives gear and cutter drives part; Be connected with the travelling gear II that meshes with gear wheel on first jackshaft, gear wheel and active toothed disk coaxial line are arranged, gear wheel while and cutter drives gears engaged; Cutter drives bore and cutter drives part outer rim are provided with the inside and outside spline of cooperation; Cutter drives part front end is provided with " one " font interface, and it is protruding that the tool rest power intake is " one " font, and " one " font interface of cutter drives part cooperates with " one " font of tool rest power intake is protruding; Cutter drives part rear end links to each other with piston, and piston tail is provided with near switch.
The invention has the beneficial effects as follows:
⑴ the cutterhead indexing mechanism of this power knife rest and power cutter can reduce cost, the weight and volume of knife rest by same driven by servomotor.
⑵ be furnished with limiter of moment between the motor shaft of servomotor and the power input shaft, can effectively prevent the damage of servomotor or drive disk assembly overload, increased the reliability of knife rest.
⑶ adopt the duty of HYDRAULIC CONTROL SYSTEM arrangement of clutch, three fluted disc mechanisms and power cutter to switch, and system response is rapid, reliability is high, noise is little.
Description of drawings
Fig. 1 is the knife rest overall structure sketch map of the embodiment of the invention;
Fig. 2 is the shifting slide gear arrangement of clutch structural representation of the embodiment of the invention;
Fig. 3 is the dynamic tool apron annexation sketch map of the embodiment of the invention;
Among the figure: 1 servomotor, 2 limiters of moment, 3 power input shafts, 4 shift forks, 5 first jackshafts, 6 cutter drives parts, 7 dynamic tool aprons; 8 second jackshafts, 9 cutterheads, 10 fixed tooth disks, 11 locking fluted discs, 12 active toothed disks, 13 knife rest casings, 14 needle bearings; 15 power cutters, s1 are near the switch I, and s2 is near the switch II, and s3 is near the switch III, and s4 is near the switch IV, and s5 is near the switch V, and s6 is near the switch VI; L1 piston I, L2 piston II, L3 piston III, c1 oil pocket I, c2 oil pocket II, c3 oil pocket III, c4 oil pocket IV; C5 oil pocket V, c6 oil pocket VI, G1 powershift gear II, G2 travelling gear I, G3 travelling gear II, G4 gear wheel, G5 cutter drives gear; The G6 shifting slide gear, G7 powershift gear I, G8 travelling gear III, G9 travelling gear IV, G10 cutter plate driver gear, G11 power shaft cutterhead side gear.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is further specified.
As shown in Figure 1, single servo power knife rest, whether servomotor 1 links to each other with the power input shaft 3 of tool holder body through limiter of moment 2, transship through the carry-over moment of measuring on the limiter of moment 2 near switch I s1; The moment of torsion that limiter of moment 2 transmits is during less than the value that is provided with in advance, and limiter of moment 2 normally rotates, near the non-inductive signal of switch I s1; When overload was a moment of torsion greater than the value that is provided with in advance, limiter of moment 2 internal structures produced and skid, and produce induced signal near switch I s1.
As shown in Figure 2; The shifting slide gear arrangement of clutch comprises power input shaft 3, power shaft cutterhead side gear G11, shifting slide gear G6, powershift gear I G7, powershift gear II G1, shift fork 4 and piston I L1; Power shaft cutterhead side gear G11, shifting slide gear G6, powershift gear I G7 are installed on the power input shaft 3 from the inside to the outside successively; Powershift gear II G1 is fixed on the end of power input shaft 3; Powershift gear I G7 and power input shaft 3 coaxial lines arrange that powershift gear I G7 is sleeved on the power input shaft 3 through needle bearing 14, and powershift gear I G7 can produce relative rotation with power input shaft 3; Power shaft cutterhead side gear G11, shifting slide gear G6, powershift gear I G7 have the identical number of teeth and modulus; Shifting slide gear G6 is an inside engaged gear, and power shaft cutterhead side gear G11, powershift gear I G7 are the external gear pumps that cooperates with shifting slide gear G6; Shift fork 4 is installed on the shifting slide gear G6; Be fixed with on the shift fork 4 on the piston I L1; Piston I L1 drives shift fork 4 and moves back and forth with shifting slide gear G6, and piston I L1 afterbody is provided with near switch II s2 with near switch III s3, is used to detect piston I L1 and whether moves to the tram.
When hydraulic oil is flowed into by oil pocket I c1; Piston I L1 to A to moving; Drive shift fork 4 with shifting slide gear G6 to A to moving; Shifting slide gear G6 meshes with powershift gear I G7 and power shaft cutterhead side gear G11 simultaneously, and servomotor 1 is given powershift gear I G7 through power input shaft 3, power shaft cutterhead side gear G11, shifting slide gear G6 with transmission of power; When hydraulic oil is flowed into by oil pocket II c2; To moving, to moving, shifting slide gear G6 only meshes with powershift gear I G7 this moment piston I L1 to B for drive shift fork 4 and shifting slide gear G6 to B; Break away from power shaft cutterhead side gear G11; Power input shaft 3 rotations are equipped with needle bearing 14 between powershift gear I G7 and the power input shaft 3, powershift gear I G7 transfixion; Shifting slide gear G6 moves back and forth through measuring near switch II s2 with near switch III s3; Piston I L1 to A to moving; Drive shift fork 4 with shifting slide gear G6 to A to moving; Shifting slide gear G6 meshes with powershift gear I G7 and power shaft cutterhead side gear G11 simultaneously, produces induced signal near switch II s2, near the non-inductive signal of switch III s3; Piston I L1 to B to moving; To moving, shifting slide gear G6 only meshes with powershift gear IG7 this moment, breaks away from power shaft cutterhead side gear G11 to B for drive shift fork 4 and shifting slide gear G6; Produce induced signal near switch III s3, near the non-inductive signal of switch II s2.
Said power cutter transmission mechanism comprise first jackshaft 5, gear wheel G4, cutter drives gear G5 and and cutter drives part 6 constitute; First jackshaft, 5 ends are provided with and the intermeshing travelling gear I of powershift gear II G1 G2; First jackshaft, 5 other ends are equipped with travelling gear II G3; Travelling gear II G3 and gear wheel G4 are meshing with each other, and gear wheel G4 and cutterhead 9 coaxial lines are installed, and gear wheel G4 is meshing with each other with cutter drives gear G5 simultaneously; As shown in Figure 3, the endoporus of cutter drives gear G5 is provided with spline, and cutter drives part 6 outer rims are provided with the spline that the spline with cutter drives gear G5 cooperatively interacts, and cutter drives part 6 can slide in the spline of cutter drives gear G5; Cutter drives part 6 front ends are provided with " one " font interface, and it is protruding that dynamic tool apron 7 inputs are " one " font, and " one " font interface of cutter drives part 6 cooperates with " one " font of dynamic tool apron 7 inputs is protruding; Cutter drives part 6 rear ends link to each other with piston II L2, and piston II L2 afterbody is provided with near switch IV s4 with near switch V s5.
When hydraulic oil was flowed into by oil pocket III c3, to moving, to moving, cutter drives part 6 broke away from dynamic tool apron 7 drive cutter drives part 6 piston II L2 to A to A; When hydraulic oil is flowed into by oil pocket IV c4; Piston II L2 to B to moving; To moving, cutter drives part 6 contacts with dynamic tool apron 7 drive cutter drives part 6 to B, and the power cutter 15 on the dynamic tool apron 7 is under the drive of servomotor 1; Through the engaged transmission between powershift gear II G1, travelling gear I G2, travelling gear II G3, gear wheel G4, cutter drives gear G5, and cutter drives gear G5 is connected the transmission realization with key on the cutter drives part 6 and rotatablely moves; Cutter drives part 6 and dynamic tool apron 7 contact or released state by measuring near switch IV s4 with near switch V s5; Cutter drives part 6 moves to A with piston II L2; Cutter drives part 6 disengages with dynamic tool apron 7; Produce induced signal near switch IV s4, s5 does not produce induced signal near the switch V; Cutter drives part 6 moves to B with piston II L2, and cutter drives part 6 contacts with dynamic tool apron 7, produces induced signal near switch V s5, and s4 does not produce induced signal near the switch IV.
Said cutterhead indexing mechanism comprises that second jackshaft 8, cutter plate driver gear G10, active toothed disk 12, fixed tooth disk 10, locking fluted disc 11 and piston III L3 constitute; Powershift gear I G7 and shifting slide gear G6 engagement; Travelling gear III G8 on the powershift gear I G7 and second jackshaft 8 is meshing with each other simultaneously; Second jackshaft, 8 other ends are equipped with travelling gear IV G9, and travelling gear IV G9 and cutter plate driver gear G10 are meshing with each other, and cutter plate driver gear G10 is installed on the cutterhead 9; Cutterhead 9 is under the drive of servomotor 1; Engaged transmission through power input shaft 3, power shaft cutterhead side gear G11, shifting slide gear G6, powershift gear I G7, travelling gear III G8, travelling gear IV G9 and cutter plate driver gear G10 realizes spinning movement, and cutter plate driver gear G10 arranged outside has near switch VI s6, and cutter tower zero-bit adopts and measures near switch VI s6; Produce induced signal near switch VI s6 during nonzero digit, during zero-bit near the non-inductive signal of switch VI s6; Cutter plate driver gear G10 links to each other with cutterhead 9; Cutterhead 9 is installed on the active toothed disk 12,, fixed tooth disk 10 is installed on the knife rest casing 13; Locking fluted disc 11 is installed in fixed tooth disk 10 and active toothed disk 12 opposites; Fixed tooth disk 10, active toothed disk 12, locking fluted disc 11 form three fluted disc mechanisms, and locking fluted disc 11 is fixedly connected with piston III L3, and the drive that moves back and forth of piston III L3 is locked being in contact with one another of fluted disc 11 and active toothed disk 12 and fixed tooth disk 10 and separated.
When hydraulic oil was flowed into by oil pocket V c5, to moving, to moving, locking fluted disc 11 separated with fixed tooth disk 10 with active toothed disk 12 drive locking fluted disc 11 piston III L3 to A to A, and cutterhead 9 is driven by cutter plate driver gear G10, under the drive of servomotor 1, rotates; When hydraulic oil was flowed into by oil pocket VI c6, to moving, to moving, locking fluted disc 11 contacted with fixed tooth disk 10 with active toothed disk 12 drive locking fluted disc 11 piston III L3 to B to B, and the rotation of restriction active toothed disk 12 and cutterhead 9 is carried out the calibration location to cutterhead 9.
Claims (5)
1. single servo power knife rest; Comprise servomotor, knife rest casing, cutterhead and dynamic tool apron; It is characterized in that: servomotor connects power input shaft; The power input shaft other end is provided with the shifting slide gear arrangement of clutch, and the shifting slide gear arrangement of clutch comprises shifting slide gear and two powershift gears that are mated, and powershift gear I connects cutterhead through double geared cutterhead indexing mechanism; Powershift gear II connects the cutter drives part through the power cutter transmission mechanism of tertiary gear transmission, and the cutter drives part cooperates dynamic tool apron.
2. single servo power knife rest according to claim 1 is characterized in that between said servomotor and the power input shaft limiter of moment being installed.
3. single servo power knife rest according to claim 1; It is characterized in that said shifting slide gear arrangement of clutch comprises power input shaft, power shaft cutterhead side gear, shifting slide gear, powershift gear I, powershift gear II, shift fork and piston; Power shaft cutterhead side gear, shifting slide gear, powershift gear I are installed on the power input shaft successively; Powershift gear II is fixed on the power input shaft end; Power shaft cutterhead side gear, shifting slide gear, powershift gear I have the identical number of teeth and modulus, and shifting slide gear is an inside engaged gear, and power shaft cutterhead side gear, powershift gear I are the external gear pumps that cooperates with shifting slide gear; Powershift gear I is sleeved on the power input shaft through needle bearing; Shift fork is installed on the shifting slide gear, is fixed with piston on the shift fork, piston tail is provided with near switch.
4. single servo power knife rest according to claim 1; It is characterized in that: said cutterhead indexing mechanism mainly is made up of second jackshaft, cutter plate driver gear, active toothed disk, fixed tooth disk, locking fluted disc and piston; Travelling gear III on second jackshaft and powershift gear I are meshing with each other; Travelling gear IV and cutter plate driver gear that the second jackshaft other end is installed are meshing with each other; Active toothed disk is fixedly connected with the cutter plate driver gear, and cutter plate driver gear and gear shaft are monolithic construction, and the cutter plate driver gear outside is equipped with near switch; Cutterhead is installed on the active toothed disk, on the knife rest casing fixed tooth disk is installed, the locking fluted disc is installed in fixed tooth disk and is fixedly connected with the active toothed disk opposite and with piston, and fixed tooth disk, active toothed disk, locking fluted disc form three fluted disc mechanisms.
5. single servo power knife rest according to claim 1; It is characterized in that: said power cutter transmission mechanism mainly is made up of first jackshaft, gear wheel, cutter drives gear and cutter drives part; Be connected with the travelling gear II that meshes with gear wheel on first jackshaft, gear wheel and active toothed disk coaxial line are arranged, gear wheel while and cutter drives gears engaged; Cutter drives bore and cutter drives part outer rim are provided with the inside and outside spline of cooperation; Cutter drives part front end is provided with " one " font interface, and it is protruding that the tool rest power intake is " one " font, and " one " font interface of cutter drives part cooperates with " one " font of tool rest power intake is protruding; Cutter drives part rear end links to each other with piston, and piston tail is provided with near switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110213911 CN102319909B (en) | 2011-07-28 | 2011-07-28 | Single-servo power tool rest |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110213911 CN102319909B (en) | 2011-07-28 | 2011-07-28 | Single-servo power tool rest |
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| Publication Number | Publication Date |
|---|---|
| CN102319909A true CN102319909A (en) | 2012-01-18 |
| CN102319909B CN102319909B (en) | 2013-04-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201110213911 Active CN102319909B (en) | 2011-07-28 | 2011-07-28 | Single-servo power tool rest |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104632934A (en) * | 2014-12-10 | 2015-05-20 | 东南大学 | Servo turret head overload protection device |
| CN104759650A (en) * | 2014-01-03 | 2015-07-08 | 上海厚昌精密机械有限公司 | Tool turret |
| CN106077728A (en) * | 2016-08-18 | 2016-11-09 | 常州市新墅机床数控设备有限公司 | A kind of power cutter tower tool rest interface switching device |
| CN107457431A (en) * | 2017-09-07 | 2017-12-12 | 王纤易 | A kind of interior hole machined dynamic tool apron |
| CN109773541A (en) * | 2018-12-25 | 2019-05-21 | 陕西科技大学 | Numerically-controlled machine tool is switched fast equipment with cutter |
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| CN201644840U (en) * | 2010-04-15 | 2010-11-24 | 沈阳机床（集团）设计研究院有限公司 | Clutch structure for power knife rest |
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| CN202155536U (en) * | 2011-07-28 | 2012-03-07 | 东北大学 | Single-servo power tool holder |
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2011
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| US4087890A (en) * | 1974-09-10 | 1978-05-09 | Citizen Watch Company Limited | Compound lathe |
| US6704983B2 (en) * | 2001-08-30 | 2004-03-16 | Mori Seiki Co., Ltd. | Turret type tool post |
| JP2007203449A (en) * | 2006-01-30 | 2007-08-16 | Seiki Techno Design Co Ltd | Turret-shaped tool support |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104759650A (en) * | 2014-01-03 | 2015-07-08 | 上海厚昌精密机械有限公司 | Tool turret |
| CN104759650B (en) * | 2014-01-03 | 2018-06-12 | 上海厚昌精密机械有限公司 | Knife tower |
| CN104632934A (en) * | 2014-12-10 | 2015-05-20 | 东南大学 | Servo turret head overload protection device |
| CN104632934B (en) * | 2014-12-10 | 2017-06-20 | 东南大学 | Servo Turret knife rest overload protection arrangement |
| CN106077728A (en) * | 2016-08-18 | 2016-11-09 | 常州市新墅机床数控设备有限公司 | A kind of power cutter tower tool rest interface switching device |
| CN107457431A (en) * | 2017-09-07 | 2017-12-12 | 王纤易 | A kind of interior hole machined dynamic tool apron |
| CN109773541A (en) * | 2018-12-25 | 2019-05-21 | 陕西科技大学 | Numerically-controlled machine tool is switched fast equipment with cutter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102319909B (en) | 2013-04-03 |
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