CN102319909B - Single-servo power tool rest - Google Patents
Single-servo power tool rest Download PDFInfo
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- CN102319909B CN102319909B CN 201110213911 CN201110213911A CN102319909B CN 102319909 B CN102319909 B CN 102319909B CN 201110213911 CN201110213911 CN 201110213911 CN 201110213911 A CN201110213911 A CN 201110213911A CN 102319909 B CN102319909 B CN 102319909B
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- cutter
- powershift
- shifting slide
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- 230000005540 biological transmission Effects 0.000 claims abstract description 15
- 230000007246 mechanism Effects 0.000 claims description 21
- 238000010276 construction Methods 0.000 claims description 2
- 239000003921 oil Substances 0.000 description 12
- 239000010720 hydraulic oil Substances 0.000 description 6
- 230000001939 inductive effect Effects 0.000 description 4
- 238000003801 milling Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000017105 transposition Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
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- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
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 knife rest technical field, particularly a kind of single servo power knife rest.
Background technology
Along with industrial expansion, the performances such as process time of lathe and machining accuracy are had higher requirement, turn-milling complex machining center 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 turn-milling complex machining center.Traditional numerically-controlled slide can only be installed by lathe tool or boring cutter carries out the most basic turning function, for turning center or the turnning and milling composite processing machine tool that can carry out the processing such as turning, boring, milling, except requiring knife rest to have the indexing function, also need the driving function of dynamic 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 respectively the knife rest indexing mechanism and the power cutter can address the above problem, but the transmission mechanism of knife rest and powershift mechanism become important technological difficulties.
Summary of the invention
Shortcomings and deficiencies for existing servo power knife rest, the 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 transmission mechanism design and the powershift problem of cutterhead transposition and power cutter drives.
For achieving the above object, the technical solution used in the present invention is: single servo power knife rest, comprise servomotor, the knife rest casing, cutterhead and dynamic tool apron, servomotor connects power input shaft, 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 by double geared cutterhead indexing mechanism, powershift gear II connects the cutter drives part by the power cutter transmission mechanism of tertiary gear transmission, and the cutter drives part connects dynamic tool apron.
Between described servomotor and the power input shaft limiter of moment is installed.
Described 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 is installed on the power input shaft successively, shifting slide gear, powershift gear I, powershift gear II, power shaft cutterhead side gear, shifting slide gear, powershift gear I has the identical number of teeth and modulus, shifting slide gear is inside engaged gear, power shaft cutterhead side gear, powershift gear I is the external gear pump that cooperates with shifting slide gear, powershift gear I is sleeved on the power input shaft by needle bearing, powershift gear II is fixed on the power input shaft end, shift fork is installed on the shifting slide gear, be fixed with piston on the shift fork, piston tail is provided with approach switch and whether arrives the tram for detection of shifting slide gear.
Described cutterhead indexing mechanism mainly is made of the second jackshaft, cutter plate driver gear, active toothed disk, fixed tooth disk, locking fluted disc and piston, travelling gear III and powershift gear I on the second jackshaft are intermeshing, travelling gear IV and cutter plate driver gear that the second jackshaft other end is installed are intermeshing, active toothed disk is fixedly connected with the cutter plate driver gear, cutter plate driver gear and gear shaft are monolithic construction, and the cutter plate driver gear outside is equipped with approach 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 teeth dish form three fluted disc mechanisms.
Described power cutter transmission mechanism is mainly by the first jackshaft, gear wheel, cutter drives gear and cutter drives part consist of, be connected with the travelling gear II with the gear wheel engagement on the first jackshaft, gear wheel and active toothed disk coaxial line are arranged, gear wheel meshes with the cutter drives gear simultaneously, cutter drives bore and cutter drives part outer rim be provided with cooperation in, external splines, cutter drives part front end is provided with " one " font interface, the tool rest power intake is " one " font projection, " one " font interface of cutter drives part cooperates with " one " font of tool rest power intake projection, cutter drives part rear end links to each other with piston, and piston tail is provided with approach 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 schematic diagram 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 schematic diagram 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 approach switch I, s2 approach switch II, s3 approach switch III, s4 approach switch IV, s5 approach switch V, s6 approach 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
The present invention is further described below in conjunction with drawings and Examples.
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 by limiter of moment 2, transship by the carry-over moment that approach switch I s1 measures on the limiter of moment 2; The moment of torsion that limiter of moment 2 transmits is during less than the value that sets in advance, and limiter of moment 2 normally rotates, the non-inductive signal of approach switch I s1; When overload was moment of torsion greater than the value that sets in advance, limiter of moment 2 internal structures produced and skid, and approach switch I s1 produces induced signal.
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 is installed on the power input shaft 3 from the inside to the outside successively, shifting slide gear G6, powershift gear I G7, 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 are arranged, powershift gear I G7 is sleeved on the power input shaft 3 by 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 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 approach switch II s2 and approach switch III s3, and whether L1 moves to the tram for detection of the piston I.
When hydraulic oil is flowed into by oil pocket I c1, L1 is to A to movement for the piston I, drive shift fork 4 and shifting slide gear G6 to A to movement, shifting slide gear G6 simultaneously and powershift gear I G7 and power shaft cutterhead side gear G11 engagement, servomotor 1 through power input shaft 3, power shaft cutterhead side gear G11, shifting slide gear G6 with transmission of power to powershift gear I G7; When hydraulic oil is flowed into by oil pocket II c2, L1 is to B to movement for the piston I, drive shift fork 4 and shifting slide gear G6 to B to movement, shifting slide gear G6 only meshes with powershift gear I G7 this moment, 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; Moving back and forth by approach switch II s2 and approach switch III s3 of shifting slide gear G6 measured, L1 is to A to movement for the piston I, drive shift fork 4 and shifting slide gear G6 to A to movement, shifting slide gear G6 meshes with powershift gear I G7 and power shaft cutterhead side gear G11 simultaneously, approach switch II s2 produces induced signal, the non-inductive signal of approach switch III s3; L1 is to B to movement for the piston I, drive shift fork 4 and shifting slide gear G6 to B to movement, shifting slide gear G6 only meshes with powershift gear IG7 this moment, breaks away from power shaft cutterhead side gear G11, approach switch III s3 produces induced signal, the non-inductive signal of approach switch II s2.
Described power cutter transmission mechanism comprise the first jackshaft 5, gear wheel G4, cutter drives gear G5 and and cutter drives part 6 consist of, the first jackshaft 5 ends are provided with and the intermeshing travelling gear I of powershift gear II G1 G2, the first jackshaft 5 other ends are equipped with travelling gear II G3, travelling gear II G3 and gear wheel G4 are intermeshing, gear wheel G4 and cutterhead 9 coaxial lines are installed, and gear wheel G4 is simultaneously intermeshing with cutter drives gear G5; 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 dynamic tool apron 7 inputs are " one " font projection, and " one " font interface of cutter drives part 6 cooperates with " one " font of dynamic tool apron 7 inputs projection; Cutter drives part 6 rear ends link to each other with piston II L2, and piston II L2 afterbody is provided with approach switch IV s4 and approach switch V s5.
When hydraulic oil was flowed into by oil pocket III c3, L2 was to A to movement for the piston II, drove cutter drives part 6 to A to movement, and cutter drives part 6 breaks away from dynamic tool apron 7; When hydraulic oil is flowed into by oil pocket IV c4, L2 is to B to movement for the piston II, drive cutter drives part 6 to B to movement, cutter drives part 6 contacts with dynamic tool apron 7, 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 the key connection for transmission on cutter drives gear G5 and the cutter drives part 6 is realized rotatablely moving; Cutter drives part 6 and dynamic tool apron 7 contact or released state is measured by approach switch IV s4 and approach switch V s5, cutter drives part 6 and piston II L2 move to A, cutter drives part 6 disengages with dynamic tool apron 7, approach switch IV s4 produces induced signal, and approach switch V s5 does not produce induced signal; Cutter drives part 6 and piston II L2 move to B, and cutter drives part 6 contacts with dynamic tool apron 7, and approach switch V s5 produces induced signal, and approach switch IV s4 does not produce induced signal.
Described cutterhead indexing mechanism comprises the second jackshaft 8, cutter plate driver gear G10, active toothed disk 12, fixed tooth disk 10, locking fluted disc 11 and piston III L3 consist of, powershift gear I G7 and shifting slide gear G6 engagement, travelling gear III G8 on powershift gear I G7 and the second jackshaft 8 is intermeshing simultaneously, the second jackshaft 8 other ends are equipped with travelling gear IV G9, travelling gear IV G9 and cutter plate driver gear G10 are intermeshing, cutter plate driver gear G10 is installed on the cutterhead 9, cutterhead 9 is under the drive of servomotor 1, through power input shaft 3, power shaft cutterhead side gear G11, shifting slide gear G6, powershift gear I G7, travelling gear III G8, the engaged transmission of travelling gear IV G9 and cutter plate driver gear G10 realizes spinning movement, cutter plate driver gear G10 arranged outside has approach switch VI s6, cutter tower zero-bit adopts approach switch VI s6 to measure, approach switch VI s6 produces induced signal, the non-inductive signal of approach switch VI s6 during zero-bit during nonzero digit; 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 moving back and forth of piston III L3 drives locks being in contact with one another and separating of fluted disc 11 and active toothed disk 12 and fixed tooth disk 10.
When hydraulic oil was flowed into by oil pocket V c5, L3 was to A to movement for the piston III, drove locking fluted disc 11 to A to movement, and locking fluted disc 11 separates with fixed tooth disk 10 with active toothed disk 12, and cutterhead 9 is driven by cutter plate driver gear G10, rotates under the drive of servomotor 1; When hydraulic oil was flowed into by oil pocket VI c6, L3 was to B to movement for the piston III, drove locking fluted disc 11 to B to movement, and locking fluted disc 11 contacts with fixed tooth disk 10 with active toothed disk 12, and the rotation of restriction active toothed disk 12 and cutterhead 9 is carried out the calibration location to cutterhead 9.
Claims (1)
1. single servo power knife rest, comprise servomotor, the 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, the shifting slide gear arrangement of clutch comprises shifting slide gear and two powershift gears that are mated, powershift gear I connects cutterhead by double geared cutterhead indexing mechanism, powershift gear II connects the cutter drives part by the power cutter transmission mechanism of tertiary gear transmission, the cutter drives part cooperates dynamic tool apron, between described servomotor and the power input shaft limiter of moment is installed; It is characterized in that: described 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 is installed on the power input shaft successively, shifting slide gear, powershift gear I, powershift gear II is fixed on the power input shaft end, power shaft cutterhead side gear, shifting slide gear, powershift gear I has the identical number of teeth and modulus, shifting slide gear is inside engaged gear, power shaft cutterhead side gear, powershift gear I is the external gear pump that cooperates with shifting slide gear, powershift gear I is sleeved on the power input shaft by needle bearing, shift fork is installed on the shifting slide gear, be fixed with piston on the shift fork, piston tail is provided with approach switch;
Described cutterhead indexing mechanism mainly is made of the second jackshaft, cutter plate driver gear, active toothed disk, fixed tooth disk, locking fluted disc and piston, travelling gear III and powershift gear I on the second jackshaft are intermeshing, travelling gear IV and cutter plate driver gear that the second jackshaft other end is installed are intermeshing, active toothed disk is fixedly connected with the cutter plate driver gear, cutter plate driver gear and gear shaft are monolithic construction, and the cutter plate driver gear outside is equipped with approach 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 teeth dish form three fluted disc mechanisms;
Described power cutter transmission mechanism is mainly by the first jackshaft, gear wheel, cutter drives gear and cutter drives part consist of, be connected with the travelling gear II with the gear wheel engagement on the first jackshaft, gear wheel and active toothed disk coaxial line are arranged, gear wheel meshes with the cutter drives gear simultaneously, cutter drives bore and cutter drives part outer rim be provided with cooperation in, external splines, cutter drives part front end is provided with " one " font interface, the tool rest power intake is " one " font projection, " one " font interface of cutter drives part cooperates with " one " font of tool rest power intake projection, cutter drives part rear end links to each other with piston, and piston tail is provided with approach 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 CN102319909A (en) | 2012-01-18 |
| CN102319909B true CN102319909B (en) | 2013-04-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201110213911 Expired - Fee Related CN102319909B (en) | 2011-07-28 | 2011-07-28 | Single-servo power tool rest |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104759650B (en) * | 2014-01-03 | 2018-06-12 | 上海厚昌精密机械有限公司 | Knife tower |
| CN104632934B (en) * | 2014-12-10 | 2017-06-20 | 东南大学 | Servo Turret knife rest overload protection arrangement |
| CN106077728B (en) * | 2016-08-18 | 2018-03-09 | 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 |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN101513716A (en) * | 2009-03-27 | 2009-08-26 | 沈阳第一机床厂 | B-axis cutter holder device of a turn-milling complex machining center |
| 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 |
| CN102172778A (en) * | 2010-12-30 | 2011-09-07 | 沈阳机床（集团）设计研究院有限公司 | Single servo power tool rest |
| CN202155536U (en) * | 2011-07-28 | 2012-03-07 | 东北大学 | Single-servo power tool holder |
-
2011
- 2011-07-28 CN CN 201110213911 patent/CN102319909B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN101513716A (en) * | 2009-03-27 | 2009-08-26 | 沈阳第一机床厂 | B-axis cutter holder device of a turn-milling complex machining center |
| 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 |
| CN102172778A (en) * | 2010-12-30 | 2011-09-07 | 沈阳机床（集团）设计研究院有限公司 | Single servo power tool rest |
| CN202155536U (en) * | 2011-07-28 | 2012-03-07 | 东北大学 | Single-servo power tool holder |
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| CN102319909A (en) | 2012-01-18 |
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