CN103418807A - Hydraulic indexing tool rest - Google Patents
Hydraulic indexing tool rest Download PDFInfo
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- CN103418807A CN103418807A CN2013103739044A CN201310373904A CN103418807A CN 103418807 A CN103418807 A CN 103418807A CN 2013103739044 A CN2013103739044 A CN 2013103739044A CN 201310373904 A CN201310373904 A CN 201310373904A CN 103418807 A CN103418807 A CN 103418807A
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Abstract
The invention discloses a hydraulic indexing tool rest. The hydraulic indexing tool rest comprises a box body, a fixed axle, a cutter, a fixed tooth ring, a movable tooth ring, a tooth disk connecting plate, a piston, a hydraulic motor, a driving gear, a fixed axle gear, a parallel conjugate cam indexing mechanism, a signal sending wheel, a cutter locking sensor, a cutter spacing conversion sensor, a checkout wheel, a cutter sensor and a control system for controlling action of the piston and controlling action of the hydraulic motor, wherein the fixed tooth ring is meshed and matched with the movable tooth ring; the fixed tooth ring is fixedly connected with the tooth disk connecting plate; the movable tooth ring is fixedly connected with the cutter; the driving gear is movably connected with the parallel conjugate cam indexing mechanism; and the hydraulic motor is movably connected with the parallel conjugate cam indexing mechanism so as to drive continuous input motion of the hydraulic motor to be converted into intermittent output motion of the driving gear. According to the hydraulic indexing tool rest, the tool changing speed and tool changing precision can be improved, the cutter is driven to rotate with hydraulic pressure, indexing, loosening and locking actions are smooth, the torque is large and stable, and the hydraulic indexing tool rest is suitable for machine tools for heavy cutting and continuous indexing requirements.
Description
Technical field
The present invention relates to a kind of hydraulic indexing knife rest, belong to the lathe cutter saddle technical field.
Background technology
At present, the calibration knife rest is the device that is widely used in the plant equipment revolution location such as numerically-controlled machine tool rest, tool magazine, for reducing manufacturing cost, improving service efficiency, the calibration knife rest preferably adopts common induction machine or hydraulic gyration hydraulic oil cylinder driving, and can continuous rotary and calibration location.
Because the Position Control of induction machine and hydraulic gyration oil cylinder is more difficult, at present, hydraulic tool rest generally can only be fixed angle revolution, can not continuous division, and tool-changing speed is slow, the tool changing precision is not high; The calibration knife rest of Induction Motor Drive needs to adopt Geneva mechanism (as Tool Magazine in Machining Centers) or reversion retaining mechanism (as Tool-rest of Numerical Control Lathe), it is large that the former calibration is that intermittent motion, location are impacted, and the latter can only unidirectional rotary and need to be crossed anchor point " anti-by " location; Therefore, in impact such as numerically-controlled machine tool rest, tool magazines, have higher requirements and require the occasion of calibration location rapidly, continuously, generally needing to adopt expensive driven by servomotor calibration knife rest.
Summary of the invention
Technical problem to be solved by this invention is the defect that overcomes prior art, a kind of hydraulic indexing knife rest is provided, it can improve tool-changing speed and tool changing precision, adopt the rotation of hydraulic-driven cutterhead, calibration and to unclamp locking action smooth and easy, moment of torsion is large and steady, is suitable for the lathe of heavy cut and continuous division requirement.
In order to solve the problems of the technologies described above, technical scheme of the present invention is: a kind of hydraulic indexing knife rest, it comprises casing, dead axle, cutterhead, determine gear ring, moving gear ring, the fluted disc gusset piece, piston, hydraulic motor, driving gear, fixed axis gear, the parallel conjugate cam indexing mechanism, the sender wheel, cutterhead locking inductor, cutter spacing transposition inductor, detect wheel and a plurality of cutter spacing inductor and control piston action and control the control system that hydraulic motor moves, dead axle be bearing on casing and relatively casing move axially, cutterhead is solidly set on the head end of dead axle, fixed axis gear and piston all are solidly set on dead axle, the fluted disc gusset piece is fixedly connected on casing, determine the gear ring cooperation that is meshed with moving gear ring, determining gear ring is fixedly connected on the fluted disc gusset piece, moving gear ring is fixedly connected on cutterhead, being provided with oil pocket between piston and fluted disc gusset piece and between piston and casing moves axially with respect to casing to promote piston, driving gear is flexibly connected mutually with the parallel conjugate cam indexing mechanism, and the continuous input motion that hydraulic motor and parallel conjugate cam indexing mechanism are flexibly connected to order about hydraulic motor mutually is converted into the batch (-type) output movement of driving gear, driving gear also is meshed with fixed axis gear, cutterhead locking inductor, cutter spacing transposition inductor all is connected with control system with the cutter spacing inductor, described sender wheel is arranged on the tail end of dead axle and matches with cutterhead locking inductor and cutter spacing inductor respectively, describedly detect that wheel is arranged on the parallel conjugate cam indexing mechanism and match with cutter spacing transposition inductor.
Further, described parallel conjugate cam indexing mechanism comprises camshaft, roller shaft, a plurality of rollers, a plurality of roller pins, a plurality of cams and a plurality of pin shaft baffle, described camshaft and roller shaft all can be rotated to support on casing, described hydraulic motor is flexibly connected mutually with camshaft, described driving gear is sleeved on roller shaft, cam is sleeved on camshaft, pin shaft baffle is arranged on roller shaft, and cam and the pin shaft baffle shape that is distributed in distance, roller pin is bearing between adjacent pin shaft baffle equably, roller housing is contained on corresponding roller pin, described cam and roller alternate on the outline of butt and cam to be provided with and drive section and static segment to rotate to order about the roller shaft batch (-type), the described wheel that detects is sleeved on camshaft.
Further, the two ends of described camshaft are respectively installed with eccentric bushing and camshaft eccentric bushing rotation relatively, and described eccentric bushing is installed on casing, and also is provided with the axial location of eccentric bushing adjusting device with the adjustment cam axle on casing.
Further, described cam has two, and its driving section mutual dislocation layout, and described pin shaft baffle has three, and described cam lays respectively between adjacent pin shaft baffle.
Further, the contact site of described fixed axis gear and dead axle is provided with expansion mechanism, this expansion mechanism comprises tapered sleeve adjusting pad, pressing plate and multipair taper sleeve component, tapered sleeve adjusting pad and pressing plate all are sleeved on dead axle, and a side of tapered sleeve adjusting pad and taper sleeve component butt, opposite side and pressing plate butt, every pair of taper sleeve component comprises tapering inner sleeve and the tapering overcoat that is provided with a pair of tapering face, together with the cooperation by a pair of tapering face of tapering inner sleeve and tapering overcoat is pressed on, the tapering inner sleeve also is connected on dead axle, and the tapering overcoat also connects with fixed axis gear.
After having adopted technique scheme, when knife rest needs tool changing, control system is controlled the hydraulic valve work be connected with oil pocket, piston promotes dead axle outward, determine gear ring and the moving gear ring of engagement are thrown off, cutterhead locking inductor is non-inductive, system is received the knife rest unlock signal, control system is controlled the hydraulic valve work be connected with hydraulic motor, with camshaft, rotate, the drive roller shaft rotates, thereby drive the driving gear rotation, driving gear drives fixed axis gear again and rotates, thereby rotate with cutterhead, when reaching the cutter spacing needed, the cutter spacing inductor sends the signal that puts in place, cam and roller combination be the position in angle of repose just in time, dead axle and cutterhead also remain static, control system is controlled the hydraulic valve be connected with hydraulic motor and is quit work, the hydraulic valve reverse operation be connected with oil pocket, piston is dead axle and the past lira of cutterhead, make to determine gear ring and moving gear ring engagement locking, cutterhead locking inductor sends the locking signal, knife rest tool changing EP (end of program), system is received signal, next process is carried out in instruction, the present invention has adopted the rotation of hydraulic-driven cutterhead, calibration and to unclamp locking action smooth and easy, moment of torsion is large and steady, be suitable for the lathe of heavy cut and continuous division requirement, the present invention has also adopted the parallel conjugate cam indexing mechanism, improved the tool-changing speed of this knife rest, and adopted various inductors to respond to respectively control, improved the tool changing precision of this knife rest.
The accompanying drawing explanation
The structural representation that Fig. 1 is hydraulic indexing knife rest of the present invention.
The specific embodiment
For content of the present invention more easily is expressly understood, below according to specific embodiment also by reference to the accompanying drawings, the present invention is further detailed explanation,
As shown in Figure 1, a kind of hydraulic indexing knife rest, it comprises casing 1, dead axle 14, cutterhead 9, determine gear ring 7, moving gear ring 8, fluted disc gusset piece 5, piston 4, hydraulic motor 31, driving gear 34, fixed axis gear 35, the parallel conjugate cam indexing mechanism, sender wheel 36, cutterhead locking inductor 2, cutter spacing transposition inductor 20, detect wheel 18 and a plurality of cutter spacing inductor 3 and control piston 4 actions and control the control system that hydraulic motor 31 moves, dead axle 14 be bearing on casing 1 and relatively casing 1 move axially, cutterhead 9 is solidly set on the head end of dead axle 14, fixed axis gear 35 and piston 4 all are solidly set on dead axle 14, fluted disc gusset piece 5 is fixedly connected on casing 1, determine gear ring 7 cooperation that is meshed with moving gear ring 8, determining gear ring 7 is fixedly connected on fluted disc gusset piece 5, moving gear ring 8 is fixedly connected on cutterhead 9, being provided with oil pocket 45 between piston 4 and fluted disc gusset piece 5 and between piston 4 and casing 1 moves axially with respect to casing 1 to promote piston 4, driving gear 34 is flexibly connected mutually with the parallel conjugate cam indexing mechanism, and the continuous input motion that hydraulic motor 31 and parallel conjugate cam indexing mechanism are flexibly connected to order about hydraulic motor 31 mutually is converted into the batch (-type) output movement of driving gear 34, driving gear 34 also is meshed with fixed axis gear 35, cutterhead locking inductor 2, cutter spacing transposition inductor 20 all is connected with control system with cutter spacing inductor 3, sender wheel 36 is arranged on the tail end of dead axle 14 and matches with cutterhead locking inductor 2 and cutter spacing inductor 3 respectively, describedly detect that wheel 18 is arranged on the parallel conjugate cam indexing mechanism and match with cutter spacing transposition inductor 20.
The parallel conjugate cam indexing mechanism comprises camshaft 22, roller shaft 27, a plurality of rollers 23, a plurality of roller pins 24, a plurality of cam 22-1 and a plurality of pin shaft baffle 25, camshaft 22 and roller shaft 27 all can be rotated to support on casing 1, hydraulic motor 31 is flexibly connected mutually with camshaft 22, driving gear 34 is sleeved on roller shaft 27, cam 22-1 is sleeved on camshaft 22, pin shaft baffle 25 is arranged on roller shaft 27, and cam 22-1 and pin shaft baffle 25 shape that is distributed in distance, roller pin 24 is bearing between adjacent pin shaft baffle 25 equably, roller 23 is sleeved on corresponding roller pin (24), cam 22-1 and roller 23 alternate on the outline of butt and cam 22-1 to be provided with and drive section and static segment to rotate to order about roller shaft 27 batch (-type)s, detecting wheel 18 is sleeved on camshaft 22.
Position for the axis of axis that can adjustment cam axle 22 and roller shaft 27, to reach cam 22-1, with the gapless of roller 23, coordinate, become best frictional fit state, reach steady, noiseless effect, as shown in Figure 1, the two ends of camshaft 22 are respectively installed with eccentric bushing 21 and camshaft 22 eccentric bushing 21 rotations relatively, eccentric bushing 21 is installed on casing 1, and also is provided with the axial location of eccentric bushing adjusting device with adjustment cam axle 22 on casing 1.Cam 22-1 has two and its driving section mutual dislocation layout, and pin shaft baffle 25 has three, and cam 22-1 lays respectively between adjacent pin shaft baffle 25.
In order to make fixed axis gear 35 tight with coordinating of dead axle 14, and make fixed axis gear 35 good with driving gear 34 engagements, reach the effect of trouble free service, as shown in Figure 1, fixed axis gear 35 is provided with expansion mechanism with the contact site of dead axle 14, this expansion mechanism comprises tapered sleeve adjusting pad 38, pressing plate 37 and multipair taper sleeve component, tapered sleeve adjusting pad 38 and pressing plate 37 all are sleeved on dead axle 14, and a side of tapered sleeve adjusting pad 38 and taper sleeve component butt, opposite side and pressing plate 37 butts, every pair of taper sleeve component comprises tapering inner sleeve 40 and the tapering overcoat 39 that is provided with a pair of tapering face, together with the cooperation by a pair of tapering face of tapering inner sleeve 40 and tapering overcoat 39 is pressed on, tapering inner sleeve 40 also is connected on dead axle 14, tapering overcoat 39 also connects with fixed axis gear 35.Compress tapered sleeve adjusting pad 38 by pressing plate 37, will make the tapering inner sleeve 40 of taper sleeve component move axially, thereby make tapering overcoat 39 to radially expansion, thus swelling fixed axis gear 35.
Cutterhead locking inductor 2 of the present invention, unclamp the confirmation signal of locking, and when it is not responded to, cutterhead 9 has unclamped disengaging, now just starts cutterhead 9 rotations, and seasonable when its thoughts, cutterhead 9 has been locked,
Cutter spacing of the present invention transposition inductor 20, often change a cutter induction once, the enabling signal of stopping the rotation and locking for cutterhead 9.When cutterhead 9 rotates to required cutter spacing, 20 inductions of cutter spacing transposition inductor, control the hydraulic valve be connected with hydraulic motor 31 and cut off the power supply, and cutterhead 9 stopped the rotation, and start the magnetic valve of cutterhead 9 lockings, to guarantee cutterhead locking.
Operation principle of the present invention is as follows:
When knife rest needs tool changing, control system is controlled the hydraulic valve work be connected with oil pocket 45, piston 4 promotes dead axle 14 outward, gear ring 7 and the moving gear ring 8 of determining of engagement thrown off, cutterhead locking inductor 2 is non-inductive, system is received the knife rest unlock signal, control system is controlled the hydraulic valve work be connected with hydraulic motor 31, with camshaft 22, rotate, driving roller shaft 27 rotates, thereby drive driving gear 34 rotations, driving gear 34 drives fixed axis gear 35 again and rotates, thereby rotate with cutterhead 9, when reaching the cutter spacing needed, cutter spacing inductor 3 sends the signal that puts in place, cam 22-1 and roller 23 combinations are the position in angle of repose just in time, dead axle 14 and cutterhead 9 also remain static, at this moment, 20 inductions of cutter spacing transposition inductor, control system is controlled the hydraulic valve be connected with hydraulic motor 31 and is quit work, the hydraulic valve reverse operation be connected with oil pocket 45, piston 4 is dead axle 14 and the past lira of cutterhead 9, make to determine gear ring 7 and the 8 engagement lockings of moving gear ring, cutterhead locking inductor 2 sends the locking signal, knife rest tool changing EP (end of program), system is received signal, next process is carried out in instruction, the present invention has adopted 9 rotations of hydraulic-driven cutterhead, calibration and to unclamp locking action smooth and easy, moment of torsion is large and steady, be suitable for the lathe of heavy cut and continuous division requirement, the present invention has also adopted the parallel conjugate cam indexing mechanism, improved the tool-changing speed of this knife rest, and adopted various inductors to respond to respectively control, improved the tool changing precision of this knife rest.
Above-described specific embodiment; technical problem, technical scheme and beneficial effect that the present invention is solved further describe; institute is understood that; the foregoing is only specific embodiments of the invention; be not limited to the present invention; within the spirit and principles in the present invention all, any modification of making, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (5)
1. a hydraulic indexing knife rest, it is characterized in that: it comprises casing (1), dead axle (14), cutterhead (9), determine gear ring (7), moving gear ring (8), fluted disc gusset piece (5), piston (4), hydraulic motor (31), driving gear (34), fixed axis gear (35), the parallel conjugate cam indexing mechanism, sender wheel (36), cutterhead locking inductor (2), cutter spacing transposition inductor (20), detect wheel (18) and a plurality of cutter spacing inductor (3) and control piston (4) action and control the control system that hydraulic motor (31) moves, dead axle (14) be bearing in casing (1) upper and relatively casing (1) move axially, cutterhead (9) is solidly set on the head end of dead axle (14), fixed axis gear (35) and piston (4) all are solidly set on dead axle (14), fluted disc gusset piece (5) is fixedly connected on casing (1), determine gear ring (7) cooperation that is meshed with moving gear ring (8), determining gear ring (7) is fixedly connected on fluted disc gusset piece (5), moving gear ring (8) is fixedly connected on cutterhead (9), being provided with oil pocket (45) between piston (4) and fluted disc gusset piece (5) and between piston (4) and casing (1) moves axially with respect to casing (1) to promote piston (4), driving gear (34) is flexibly connected mutually with the parallel conjugate cam indexing mechanism, and the continuous input motion that hydraulic motor (31) and parallel conjugate cam indexing mechanism are flexibly connected to order about hydraulic motor (31) mutually is converted into the batch (-type) output movement of driving gear (34), driving gear (34) also is meshed with fixed axis gear (35), cutterhead locking inductor (2), cutter spacing transposition inductor (20) all is connected with control system with cutter spacing inductor (3), described sender wheel (36) is arranged on the tail end of dead axle (14) and matches with cutterhead locking inductor (2) and cutter spacing inductor (3) respectively, describedly detect that wheel (18) is arranged on the parallel conjugate cam indexing mechanism and match with cutter spacing transposition inductor (20).
2. hydraulic indexing knife rest according to claim 1, it is characterized in that: described parallel conjugate cam indexing mechanism comprises camshaft (22), roller shaft (27), a plurality of rollers (23), a plurality of roller pins (24), a plurality of cams (22-1) and a plurality of pin shaft baffle (25), described camshaft (22) and roller shaft (27) all can be rotated to support on casing (1), described hydraulic motor (31) is flexibly connected mutually with camshaft (22), described driving gear (34) is sleeved on roller shaft (27), cam (22-1) is sleeved on camshaft (22), pin shaft baffle (25) is arranged on roller shaft (27), and cam (22-1) and pin shaft baffle (25) shape that is distributed in distance, roller pin (24) is bearing between adjacent pin shaft baffle (25) equably, roller (23) is sleeved on corresponding roller pin (24), described cam (22-1) and roller (23) alternate on the outline of butt and cam (22-1) to be provided with and drive section and static segment to rotate to order about roller shaft (27) batch (-type), the described wheel (18) that detects is sleeved on camshaft (22).
3. hydraulic indexing knife rest according to claim 2, it is characterized in that: the two ends of described camshaft (22) are respectively installed with eccentric bushing (21) and camshaft (22) eccentric bushing (21) rotation relatively, it is upper that described eccentric bushing (21) is installed in casing (1), and also be provided with the axial location of eccentric bushing adjusting device with adjustment cam axle (22) on casing (1).
4. hydraulic indexing knife rest according to claim 2, it is characterized in that: described cam (22-1) has two, and it drives the section mutual dislocation to arrange, described pin shaft baffle (25) has three, and described cam (22-1) lays respectively between adjacent pin shaft baffle (25).
5. hydraulic indexing knife rest according to claim 1, it is characterized in that: described fixed axis gear (35) is provided with expansion mechanism with the contact site of dead axle (14), this expansion mechanism comprises tapered sleeve adjusting pad (38), pressing plate (37) and multipair taper sleeve component, tapered sleeve adjusting pad (38) and pressing plate (37) all are sleeved on dead axle (14), and a side of tapered sleeve adjusting pad (38) and taper sleeve component butt, opposite side and pressing plate (37) butt, every pair of taper sleeve component comprises tapering inner sleeve (40) and the tapering overcoat (39) that is provided with a pair of tapering face, tapering inner sleeve (40) and tapering overcoat (39) are pressed on together by the cooperation of a pair of tapering face, tapering inner sleeve (40) also is connected on dead axle (14), tapering overcoat (39) also connects with fixed axis gear (35).
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| CN201310373904.4A CN103418807B (en) | 2013-08-26 | 2013-08-26 | Hydraulic indexing tool rest |
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| CN201310373904.4A CN103418807B (en) | 2013-08-26 | 2013-08-26 | Hydraulic indexing tool rest |
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| CN103418807B CN103418807B (en) | 2015-07-15 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104439347A (en) * | 2014-11-06 | 2015-03-25 | 常州市宏达机床数控设备有限公司 | Direct driven automatic revolving knife rest |
| CN104802031A (en) * | 2015-05-12 | 2015-07-29 | 常州机电职业技术学院 | Cam positioning bidirectional continuous indexing worktable |
| CN108296849A (en) * | 2018-03-02 | 2018-07-20 | 宁波海天精工股份有限公司 | A kind of magazine of numerical control machining center |
| CN114770220A (en) * | 2022-04-27 | 2022-07-22 | 深圳市拓普联科技术股份有限公司 | Three-piece end-toothed disc rapid meshing locking mechanism |
| CN115281502A (en) * | 2022-08-01 | 2022-11-04 | 安徽机电职业技术学院 | Rotary display stand |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104439347A (en) * | 2014-11-06 | 2015-03-25 | 常州市宏达机床数控设备有限公司 | Direct driven automatic revolving knife rest |
| CN104802031A (en) * | 2015-05-12 | 2015-07-29 | 常州机电职业技术学院 | Cam positioning bidirectional continuous indexing worktable |
| CN108296849A (en) * | 2018-03-02 | 2018-07-20 | 宁波海天精工股份有限公司 | A kind of magazine of numerical control machining center |
| CN114770220A (en) * | 2022-04-27 | 2022-07-22 | 深圳市拓普联科技术股份有限公司 | Three-piece end-toothed disc rapid meshing locking mechanism |
| CN114770220B (en) * | 2022-04-27 | 2023-11-10 | 深圳市拓普联科技术股份有限公司 | Three-piece type end tooth disc quick-meshing locking mechanism |
| CN115281502A (en) * | 2022-08-01 | 2022-11-04 | 安徽机电职业技术学院 | Rotary display stand |
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| CN103418807B (en) | 2015-07-15 |
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Address after: Yaoguan town Qi line 213011 Wujin District Jiangsu city of Changzhou province 1 8 kilometers Patentee after: JIANGSU HONGDA NUMERICAL CONTROL SCIENCE & TECHNOLOGY CO., LTD. Address before: 213011, 1.8 kilometers, Qi Xiang highway, Changzhou, Jiangsu, Qishuyan Patentee before: Changzhou Hongda Machine Tool CNC Co., Ltd. |