CN103418807B - Hydraulic indexing tool rest - Google Patents
Hydraulic indexing tool rest Download PDFInfo
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- CN103418807B CN103418807B CN201310373904.4A CN201310373904A CN103418807B CN 103418807 B CN103418807 B CN 103418807B CN 201310373904 A CN201310373904 A CN 201310373904A CN 103418807 B CN103418807 B CN 103418807B
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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 lathe cutter saddle technical field.
Background technology
At present, calibration knife rest is the device being widely used in the plant equipment such as numerically-controlled machine tool rest, tool magazine revolution location, for reducing manufacturing cost, improving service efficiency, calibration knife rest preferably adopts common induction machine or hydraulic gyration hydraulic oil cylinder driving, and energy continuous rotary and calibration are located.
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, and tool changing precision is not high; The calibration knife rest of Induction Motor Drive then needs to adopt Geneva mechanism (as Tool Magazine in Machining Centers) or reversion retaining mechanism (as Tool-rest of Numerical Control Lathe), the former calibration is intermittent motion, location is impacted large, and the latter unidirectional rotary needing can only cross anchor point " instead by " location; Therefore, have higher requirements at numerically-controlled machine tool rest, tool magazine etc. to impacting and require the occasion of the location of calibration 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 overcoming prior art, a kind of hydraulic indexing knife rest is provided, it can improve tool-changing speed and tool changing precision, hydraulic-driven cutterhead is adopted to rotate, 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, dynamic gear ring, fluted disc gusset piece, piston, hydraulic motor, driving gear, fixed axis gear, parallel conjugate cam indexing mechanism, sender is taken turns, cutterhead locking inductor, cutter spacing transposition inductor, detect the control system of wheel and multiple cutter spacing inductor and control piston action and hydraulic control motor action, dead axle is bearing on casing and also can moves axially by opposite case, cutterhead is solidly set on the head end of dead axle, fixed axis gear and piston are all solidly set on dead axle, fluted disc gusset piece is fixedly connected on casing, determine gear ring to be meshed with dynamic gear ring and to coordinate, determining gear ring is fixedly connected on fluted disc gusset piece, dynamic gear ring is fixedly connected on cutterhead, be provided with oil pocket between piston and fluted disc gusset piece and between piston and casing to move axially relative to casing to promote piston, driving gear is flexibly connected mutually with parallel conjugate cam indexing mechanism, and the batch (-type) that the continuous input motion that hydraulic motor and parallel conjugate cam indexing mechanism are flexibly connected to order about hydraulic motor is mutually converted into driving gear exports and moves, driving gear is also meshed with fixed axis gear, cutterhead locking inductor, cutter spacing transposition inductor is all connected with control system with cutter spacing inductor, described sender wheel is arranged on the tail end of dead axle and locks inductor with cutterhead respectively and cutter spacing inductor matches, the described wheel that detects to be arranged on parallel conjugate cam indexing mechanism and to match with the cutter spacing inductor that replaces.
Further, described parallel conjugate cam indexing mechanism comprises camshaft, roller shaft, multiple roller, multiple roller pin, multiple cam and multiple 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, the shape and cam and pin shaft baffle are 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 to abut and the outline of cam is provided with and drive section and static segment to rotate to order about 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 can rotate by relative eccentric cover, and described eccentric bushing is installed on casing, and casing is also provided with eccentric bushing adjusting device with the axial location of adjustment cam axle.
Further, described cam has two, and it drives section mutual dislocation to arrange, described pin shaft baffle has three, and described cam lays respectively between adjacent pin shaft baffle.
Further, described fixed axis gear and the contact site of dead axle are 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 are all sleeved on dead axle, and the side of tapered sleeve adjusting pad abuts with taper sleeve component, opposite side abuts with pressing plate, often pair of taper sleeve component comprises the tapering inner sleeve and tapering overcoat that are provided with a pair taper face, together with tapering inner sleeve and tapering overcoat are pressed on by the cooperation of a pair taper face, tapering inner sleeve is also connected on dead axle, and tapering overcoat also abuts against with fixed axis gear.
After have employed technique scheme, when knife rest needs tool changing, control system controls the hydraulic valve work be connected with oil pocket, piston promotes dead axle outward, that engages determines gear ring and the disengagement of dynamic gear ring, cutterhead locking inductor is non-inductive, system receives knife rest unlock signal, control system controls the hydraulic valve work be connected with hydraulic motor, with cam axle, drive roller shaft rotates, thus drive driving gear to rotate, driving gear drives fixed axis gear to rotate again, thus rotate with cutterhead, when reaching the cutter spacing of needs, cutter spacing inductor sends the signal that puts in place, cam and roller combination are just in time in the position of angle of repose, dead axle and cutterhead also remain static, the hydraulic valve that control system controls to be connected with hydraulic motor quits work, the hydraulic valve reverse operation be connected with oil pocket, piston dead axle and cutterhead toward lira, make to determine gear ring and dynamic gear ring engagement locking, cutterhead locking inductor sends locking signal, knife rest tool changing EP (end of program), system receives signal, instruction performs next process, present invention employs hydraulic-driven cutterhead to rotate, 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 additionally uses parallel conjugate cam indexing mechanism, improve the tool-changing speed of this knife rest, and have employed various inductor and respond to control respectively, improve the tool changing precision of this knife rest.
Accompanying drawing explanation
Fig. 1 is the structural representation of hydraulic indexing knife rest of the present invention.
Detailed description of the invention
In order to make content of the present invention more easily be clearly 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, dynamic gear ring 8, fluted disc gusset piece 5, piston 4, hydraulic motor 31, driving gear 34, fixed axis gear 35, parallel conjugate cam indexing mechanism, sender wheel 36, cutterhead locking inductor 2, cutter spacing transposition inductor 20, detect the control system of wheel 18 and multiple cutter spacing inductor 3 and control piston 4 action and hydraulic control motor 31 action, dead axle 14 is bearing on casing 1 and also can moves axially by opposite case 1, cutterhead 9 is solidly set on the head end of dead axle 14, fixed axis gear 35 and piston 4 are all solidly set on dead axle 14, fluted disc gusset piece 5 is fixedly connected on casing 1, determine gear ring 7 to be meshed with dynamic gear ring 8 and to coordinate, determining gear ring 7 is fixedly connected on fluted disc gusset piece 5, dynamic gear ring 8 is fixedly connected on cutterhead 9, be provided with oil pocket 45 between piston 4 and fluted disc gusset piece 5 and between piston 4 and casing 1 to move axially relative to casing 1 to promote piston 4, driving gear 34 is flexibly connected mutually with parallel conjugate cam indexing mechanism, and the batch (-type) that the continuous input motion that hydraulic motor 31 and parallel conjugate cam indexing mechanism are flexibly connected to order about hydraulic motor 31 is mutually converted into driving gear 34 exports and moves, driving gear 34 is also meshed with fixed axis gear 35, cutterhead locking inductor 2, cutter spacing transposition inductor 20 is all connected with control system with cutter spacing inductor 3, sender wheel 36 is arranged on the tail end of dead axle 14 and locks inductor 2 with cutterhead respectively and cutter spacing inductor 3 matches, the described wheel 18 that detects to be arranged on parallel conjugate cam indexing mechanism and to match with the cutter spacing inductor 20 that replaces.
Parallel conjugate cam indexing mechanism comprises camshaft 22, roller shaft 27, multiple roller 23, multiple roller pin 24, multiple cam 22-1 and multiple 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, the shape and cam 22-1 and pin shaft baffle 25 are 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 to abut and the outline of cam 22-1 is provided with and drive section and static segment to rotate to order about roller shaft 27 batch (-type), detect wheel 18 to be sleeved on camshaft 22.
In order to can the position of the axis of adjustment cam axle 22 and the axis of roller shaft 27, to reach the blind-mate of cam 22-1 and roller 23, 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 can rotate by relative eccentric cover 21, eccentric bushing 21 is installed on casing 1, and casing 1 is also provided with eccentric bushing adjusting device with the axial location of adjustment cam axle 22.Cam 22-1 has two and it drives section mutual dislocation to arrange, pin shaft baffle 25 has three, and cam 22-1 lays respectively between adjacent pin shaft baffle 25.
In order to fixed axis gear 35 can be made tight with coordinating of dead axle 14, and fixed axis gear 35 is engaged with driving gear 34 well, 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 are all sleeved on dead axle 14, and the side of tapered sleeve adjusting pad 38 abuts with taper sleeve component, opposite side abuts with pressing plate 37, often pair of taper sleeve component comprises the tapering inner sleeve 40 and tapering overcoat 39 that are provided with a pair taper face, together with tapering inner sleeve 40 and tapering overcoat 39 are pressed on by the cooperation of a pair taper face, tapering inner sleeve 40 is also connected on dead axle 14, tapering overcoat 39 also abuts against with fixed axis gear 35.Compress tapered sleeve adjusting pad 38 by pressing plate 37, the tapering inner sleeve 40 of taper sleeve component will be made to move axially, thus make tapering overcoat 39 to radial dilatation, thus swelling fixed axis gear 35.
Cutterhead locking inductor 2 of the present invention, unclamp the confirmation signal of locking, when it is not responded to, cutterhead 9 unclamps disengaging, and now just start cutterhead 9 and rotate, when its thoughts is seasonable, cutterhead 9 is locked,
Cutter spacing transposition inductor 20 of the present invention, often changes a cutter induction once, for cutterhead 9 stops the rotation and the enabling signal of locking.When cutterhead 9 rotates to required cutter spacing, cutter spacing transposition inductor 20 is responded to, and controls the hydraulic valve power-off be connected with hydraulic motor 31, cutterhead 9 is stopped the rotation, and starts the magnetic valve of cutterhead 9 locking, to guarantee that cutterhead is locked.
Cutter spacing inductor 3 of the present invention, only detects for cutter spacing, does not do the enabling signal of any action.
Operation principle of the present invention is as follows:
When knife rest needs tool changing, control system controls the hydraulic valve work be connected with oil pocket 45, piston 4 promotes dead axle 14 outward, engagement determine gear ring 7 and dynamic gear ring 8 is thrown off, cutterhead locking inductor 2 is non-inductive, system receives knife rest unlock signal, control system controls the hydraulic valve work be connected with hydraulic motor 31, rotate with camshaft 22, roller shaft 27 is driven to rotate, thus drive driving gear 34 to rotate, driving gear 34 drives fixed axis gear 35 to rotate again, thus rotate with cutterhead 9, when reaching the cutter spacing of needs, cutter spacing inductor 3 sends the signal that puts in place, cam 22-1 and roller 23 combine the position being just in time in angle of repose, dead axle 14 and cutterhead 9 also remain static, at this moment, cutter spacing transposition inductor 20 is responded to, the hydraulic valve that control system controls to be connected with hydraulic motor 31 quits work, the hydraulic valve reverse operation be connected with oil pocket 45, piston 4 dead axle 14 and cutterhead 9 toward lira, make to determine gear ring 7 and dynamic gear ring 8 engagement locking, cutterhead locking inductor 2 sends locking signal, knife rest tool changing EP (end of program), system receives signal, instruction performs next process, present invention employs hydraulic-driven cutterhead 9 to rotate, 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 additionally uses parallel conjugate cam indexing mechanism, improve the tool-changing speed of this knife rest, and have employed various inductor and respond to control respectively, improve the tool changing precision of this knife rest.
Above-described specific embodiment; technical problem, technical scheme and beneficial effect that the present invention solves are further described; be 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 amendment made, equivalent replacement, improvement etc., all should be included within 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), dynamic gear ring (8), fluted disc gusset piece (5), piston (4), hydraulic motor (31), driving gear (34), fixed axis gear (35), parallel conjugate cam indexing mechanism, sender wheel (36), cutterhead locking inductor (2), cutter spacing transposition inductor (20), detect the control system of wheel (18) and multiple cutter spacing inductor (3) and control piston (4) action and hydraulic control motor (31) action, dead axle (14) is bearing in casing (1) and above also can moves axially by opposite case (1), cutterhead (9) is solidly set on the head end of dead axle (14), fixed axis gear (35) and piston (4) are all solidly set on dead axle (14), fluted disc gusset piece (5) is fixedly connected on casing (1), determine gear ring (7) to be meshed with dynamic gear ring (8) and to coordinate, determining gear ring (7) is fixedly connected on fluted disc gusset piece (5), dynamic gear ring (8) is fixedly connected on cutterhead (9), be provided with oil pocket (45) between piston (4) and fluted disc gusset piece (5) and between piston (4) and casing (1) to move axially relative to casing (1) to promote piston (4), driving gear (34) is flexibly connected mutually with parallel conjugate cam indexing mechanism, and the batch (-type) that the continuous input motion that hydraulic motor (31) and parallel conjugate cam indexing mechanism are flexibly connected to order about hydraulic motor (31) is mutually converted into driving gear (34) exports and moves, driving gear (34) is also meshed with fixed axis gear (35), cutterhead locking inductor (2), cutter spacing transposition inductor (20) is all connected with control system with cutter spacing inductor (3), described sender wheel (36) is arranged on the tail end of dead axle (14) and locks inductor (2) with cutterhead respectively and cutter spacing inductor (3) matches, the described wheel (18) that detects to be arranged on parallel conjugate cam indexing mechanism and to match with the cutter spacing inductor (20) that replaces.
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), multiple roller (23), multiple roller pin (24), multiple cam (22-1) and multiple 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), the shape and cam (22-1) and pin shaft baffle (25) are 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 to abut and the outline of cam (22-1) is 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) can rotate by relative eccentric cover (21), described eccentric bushing (21) is installed on casing (1), and casing (1) is also provided with eccentric bushing adjusting device with the axial location of adjustment cam axle (22).
4. hydraulic indexing knife rest according to claim 2, it is characterized in that: described cam (22-1) has two, and it drives 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) are all sleeved on dead axle (14), and the side of tapered sleeve adjusting pad (38) abuts with taper sleeve component, opposite side abuts with pressing plate (37), often pair of taper sleeve component comprises the tapering inner sleeve (40) and tapering overcoat (39) that are provided with a pair taper face, tapering inner sleeve (40) and tapering overcoat (39) are pressed on together by the cooperation of a pair taper face, tapering inner sleeve (40) is also connected on dead axle (14), tapering overcoat (39) also abuts against with fixed axis gear (35).
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| Application Number | Priority Date | Filing Date | Title |
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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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| CN103418807A CN103418807A (en) | 2013-12-04 |
| CN103418807B true CN103418807B (en) | 2015-07-15 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 table |
| 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 |
| 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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| US7070550B1 (en) * | 2004-12-20 | 2006-07-04 | Ying Sun | Transmission mechanism for tool changing device |
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| CN2053956U (en) * | 1989-09-12 | 1990-03-07 | 沈阳市三机床厂 | Step cam indexing digital controlled lathe turret |
| CN2146321Y (en) * | 1992-09-30 | 1993-11-17 | 武汉数控机械股份有限公司 | Automatic ratating tool post |
| CN2269257Y (en) * | 1995-11-07 | 1997-12-03 | 沈阳第一机床厂 | Vertical automatic lathe carriage |
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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. |