CN102615360A - Hydraulic numerical control system of gear shaping machine - Google Patents
Hydraulic numerical control system of gear shaping machine Download PDFInfo
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- CN102615360A CN102615360A CN2012101087446A CN201210108744A CN102615360A CN 102615360 A CN102615360 A CN 102615360A CN 2012101087446 A CN2012101087446 A CN 2012101087446A CN 201210108744 A CN201210108744 A CN 201210108744A CN 102615360 A CN102615360 A CN 102615360A
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Abstract
The invention belongs to the technical field of mechanical control technology, provides a hydraulic numerical control system of a gear shaping machine, and comprises a master-control centre. A first cylinder, a first rotating device, a clamping device, a mobile device, a second cylinder, a second rotating device, a third cylinder and a fourth cylinder are respectively and electrically connected onto the master-control centre. The hydraulic numerical control system has the advantages of enabling axial force of a slotting tool to be in a constant force state and enabling main shaft movement to be in a constant speed stroke movement state by using a hydraulic system to control cylinders, a piston rod, a main shaft and the like through component movement, helical angles are controlled and adjusted by inputting corresponding programs, working stability is good, working accuracy and work efficiency of a bolt of the slotting tool are guaranteed, and straight teeth or helical teeth or other corresponding teeth shapes can be manufactured.
Description
Technical field
The invention belongs to mechanical control technology field, relate to a kind of hydraulic numerical control system of gear shapping machine.
Background technology
At present, gear shapping machine commonly used comprises crank-swinging mechanism, and gear shapping machine utilizes its crank-swinging mechanism to come transferring power, realizes the stroke procedure of slotting tool.Though rotatablely moving of crank is uniform motion, when Machining of Gear the movement velocity of fork stroke movement and stressed be to be in the variation.Referring to Fig. 5, show that through experiment the slotting tool axial force is along with first the increasing afterwards of the increase of displacement reduces; Axial line speed is along with the increase of displacement also is to increase afterwards earlier to reduce; This just causes the slotting tool slotting unstable, and the degree of depth of each slotting has nothing in common with each other, and the precision of Gear Shaping is relatively poor; Product quality; People adopted oil cylinder and piston rod to replace crank-swinging mechanism afterwards, the workpiece that adds three-dimensionals such as the X that makes the rotation slotting tool through hydraulic control system control man-hour, Y, Z, A, B and rotation at product be meshing with each other make slotting tool workpiece spool on reciprocating with Workpiece shaping needed odontoid, and the hydraulic control system of prior art can not be controlled oil cylinder and piston rod work well; Job stability is relatively poor, has had a strong impact on the machining accuracy and the operating efficiency of slotting tool latch.
Summary of the invention
Technical problem to be solved by this invention is the present situation to prior art, and provides a kind of easy to operate, good operating stability, the hydraulic numerical control system of the machining accuracy of assurance slotting tool latch and the gear shapping machine of operating efficiency.
The present invention solves the problems of the technologies described above the technical scheme that is adopted: a kind of hydraulic numerical control system of gear shapping machine; It is characterized in that; Comprise the mster-control centre; Be electrically connected with first oil cylinder, first whirligig that is used to control the workbench rotation that are used to control movable workbench locking in the described mster-control centre respectively, be used to clamp the clamping device that is placed on workpiece on the workbench, be used to control the mobile device that the knife rest assembly moves up and down; Be used to control second oil cylinder, second whirligig that is used to control the slotting tool main axis rotation that slotting tool main shaft up-down stroke moves, be used to control the 3rd oil cylinder of relieving mechanism and be used to control the 4th oil cylinder that the knife rest assembly moves up and down balance; After workpiece to be processed is placed on the workbench and is fixedly clamped through clamping device; First whirligig drives the workbench rotation, and first oil cylinder drives movable workbench, moves thereby described mobile device drive knife rest assembly moves the drive slotting tool; Described second whirligig drives the slotting tool rotation; Thereby second oil cylinder control slotting tool motion of main shaft drives the workpiece on the slotting tool up-down stroke processing workbench, and simultaneously described the 3rd oil cylinder control slotting tool carries out the cutter relieving action, processes the shape of respective teeth.
Frame for movement of the present invention mainly comprises lathe bed, workbench, column agency and knife rest assembly, and column agency is connected with lathe bed, and the knife rest assembly is connected with column agency; Be provided with shift mechanism between knife rest assembly and the column, control the major control X of system, Y, Z, A, the processing of five directions completion of B workpiece here, first oil cylinder of controlling movable workbench locking here is X axis (also being the feed shifting axle); The mobile device that control knife rest assembly moves up and down is Y axially (also calling down shifting axle), and second oil cylinder that control slotting tool main shaft up-down stroke moves is Z axially (also being the stroke shifting axle), and second whirligig of control slotting tool main axis rotation is A axially (also being the slotting tool rotating shaft); First whirligig of control workbench rotation is B axially (also being the work rotating shaft), X here, and the Y axle is a locating shaft; Independently moving, Z axle are driving shaft, by the optical grating ruler measurement position that is located on the main shaft; The Z axle is with absolute value grating chi; B is a driving shaft, and by artificial setting movement velocity, the A axle is for following axle; A axle movement locus is calculated by formula A=B/K+Z*L; Wherein K, L are constant, but the motion of Z axle is reciprocating motion, and the motion of said A also is the resultant motion of reciprocating motion and rotational motion basically.
The measure of taking for the optimization such scheme specifically comprises:
In the hydraulic numerical control system of above-mentioned a kind of gear shapping machine; Described first whirligig comprises table top feed screw mandrel, feed worm gear spoke and first motor; Described table top feed screw mandrel cooperates with feed worm gear spoke, and the first motor-driven feed screw mandrel and feed worm gear spoke drive the workbench rotation.
In the hydraulic numerical control system of above-mentioned a kind of gear shapping machine; Described mobile device comprises and moves up and down the worm gear spoke, moves up and down the screw mandrel and second motor; Describedly move up and down the worm gear spoke and move up and down screw mandrel and cooperate, second motor-driven moves up and down the worm gear spoke and moves up and down screw mandrel and drive the knife rest assembly and move up and down.
In the hydraulic numerical control system of above-mentioned a kind of gear shapping machine, described second whirligig comprises that slotting tool rotates worm gear spoke and the 3rd motor, and described the 3rd motor-driven slotting tool rotates the worm gear spoke and drives the slotting tool rotation.
In the hydraulic numerical control system of above-mentioned a kind of gear shapping machine; Be connected with servo valve on described the 3rd oil cylinder and second oil cylinder; An end is connected with the overflow valve that is used to regulate pressure on servo valve; The other end is connected with relay, on overflow valve, is connected with servo import oil cleaner screen and servo outlet oil cleaner screen.Here let the parallel connection of the 3rd oil cylinder and second oil cylinder use, make stroke movement and cutter relieving move synchronization action, cutter relieving is reliable, and is good with the stroke movement associativity.
In the hydraulic numerical control system of above-mentioned a kind of gear shapping machine; Described clamping device is the 5th oil cylinder, on the 5th oil cylinder, is connected with solenoid directional control valve, is connected with solenoid directional control valve on described first oil cylinder; On the end on the solenoid directional control valve, connect relay; Be connected with the pressure-reducing valve that is used to regulate lubrication pressure on the relay, be connected with on the pressure-reducing valve to be used to regulate and lubricate glossy choke valve, choke valve is connected with workbench, knife rest assembly and column respectively.
Compared with prior art; The crank-swinging of the prior art mechanism that the invention has the advantages that combination replacement through oil cylinder, piston rod and main shaft; Simultaneously through component movement such as HYDRAULIC CONTROL SYSTEM oil cylinder, piston rod and main shafts, make the axial force of slotting tool can be in the constant force state and motion of main shaft is in constant speed stroke movement state, show through experiment; The slotting tool axial force remains under the constant force state in working order the time; The axial line speed of slotting tool remains under the constant speed state in working order the time, and good operating stability guarantees the machining accuracy and the operating efficiency of slotting tool latch; Can process the shape of other respective teeth such as straight-tooth or helical teeth through input control of correspondent program adjustable screw angle.
Description of drawings
Fig. 1 is the functional-block diagram of the hydraulic numerical control system of this gear shapping machine;
Fig. 2 is the mechanical schematic diagram of the hydraulic numerical control system of this gear shapping machine;
Fig. 3 is the hydraulic schematic diagram of the hydraulic numerical control system of this gear shapping machine;
Fig. 4 is stroke displaced position of the present invention and slotting tool axial force, axial line length velocity relation sketch map;
Fig. 5 is stroke displaced position and slotting tool axial force, the axial line length velocity relation sketch map of prior art.
The specific embodiment
Below be specific embodiment of the present invention and combine accompanying drawing, technical scheme of the present invention is done further to describe, but the present invention is not limited to these embodiment.
Among the figure, mster-control centre 1; First oil cylinder 2; First whirligig 3; Table top feed screw mandrel 31; Feed worm gear spoke 32; First motor 33; Clamping device 4; The 5th oil cylinder 41; Mobile device 5; Move up and down worm gear spoke 51; Move up and down screw mandrel 52; Second motor 53; Second oil cylinder 6; Second whirligig 7; Slotting tool rotates worm gear spoke 71; The 3rd motor 72; The 3rd oil cylinder 8; The 4th oil cylinder 9; Servo valve 10; Overflow valve 11; Solenoid directional control valve 12; Relay 13; Servo import oil cleaner screen 14; Servo outlet oil cleaner screen 15; Pressure-reducing valve 16; Choke valve 17.
As depicted in figs. 1 and 2; The hydraulic numerical control system of this gear shapping machine; Comprise mster-control centre 1; Be electrically connected with first oil cylinder 2 that is used to control movable workbench locking in the described mster-control centre 1 respectively, be used to control the workbench rotation first whirligig 3, be used to clamp the clamping device 4 that is placed on workpiece on the workbench, be used to control the mobile device 5 that the knife rest assembly moves up and down; Be used to control slotting tool main shaft up-down stroke moves second oil cylinder 6, be used to control the slotting tool main axis rotation second whirligig 7, be used to control the 3rd oil cylinder 8 of relieving mechanism and be used to control the 4th oil cylinder 9 that the knife rest assembly moves up and down balance; Here relieving mechanism adopts wedge mechanism, amplification that can realizable force; The major control X of control system, Y, Z, A, five directions of B are accomplished workpiece processing; Here first oil cylinder 2 of controlling movable workbench locking is X axis (also being the feed shifting axle); The mobile device 5 that control knife rest assembly moves up and down is Y axial (also calling down shifting axle); Second oil cylinder 6 that control slotting tool main shaft up-down stroke moves is Z axial (also being the stroke shifting axle); Second whirligig 7 of control slotting tool main axis rotation is A axially (also being the slotting tool rotating shaft), and first whirligig 3 of control workbench rotation is B axially (also being the work rotating shaft).
As shown in Figure 3; Remain under the constant speed state in working order the time for the axial line speed that makes slotting tool, guarantee job stability, need control the oil pressure of hydraulic system; Be connected with servo valve 10 on the 3rd oil cylinder 8 and second oil cylinder 6; An end is connected with the overflow valve 11 that is used to regulate pressure on servo valve 10, and the other end is connected with relay 13, on overflow valve 11, is connected with servo import oil cleaner screen 14 and servo outlet oil cleaner screen 15; Filter with 15 pairs of oil of servo outlet oil cleaner screen through servo import oil cleaner screen 14, prevent to result in blockage; Clamping device 4 is the 5th oil cylinder 41; On the 5th oil cylinder 41, be connected with solenoid directional control valve 12; Be connected with solenoid directional control valve 12 on first oil cylinder 2, on the end on the solenoid directional control valve 12, connect relay 13, be connected with the pressure-reducing valve 16 that is used to regulate lubrication pressure on the relay 13; Be connected with on the pressure-reducing valve 16 to be used to regulate and lubricate glossy choke valve 17, choke valve 17 is connected with workbench, knife rest assembly and column respectively.
Specifically; For the accuracy that guarantees to process; First whirligig 3 comprises table top feed screw mandrel 31, feed worm gear spoke 32 and first motor 33; Table top feed screw mandrel 31 cooperates with feed worm gear spoke 32, and first motor 33 drives the feed screw mandrels and drives workbench with feed worm gear spoke 32 and rotate, and mobile device 5 comprises and moves up and down worm gear spoke 51, moves up and down the screw mandrel 52 and second motor 53; Move up and down worm gear spoke 51 and move up and down screw mandrel 52 and cooperate, second motor 53 drives and moves up and down worm gear spoke 51 and move up and down screw mandrel 52 and drive the knife rest assemblies and move up and down; Second whirligig 7 comprises that slotting tool rotates worm gear spoke 71 and the 3rd motor 72, the three motors 72 drive the 71 drive slotting tools rotations of slotting tool rotation worm gear spoke, and clamping device 4 is the 5th cylinder.
After at first after mster-control centre 1 imports corresponding program, starting during work; After the workpiece of processing was placed on the workbench and is fixedly clamped through the 5th oil cylinder 41, first whirligig 3 drove the workbench rotation, and first oil cylinder 2 drives movable workbench; Thereby mobile device 5 drive knife rest assemblies move the drive slotting tool and move; Second whirligig 7 drives the slotting tool rotation, thereby simultaneously described the 3rd oil cylinder of the workpiece 8 control slotting tools that second oil cylinder, 6 control slotting tool motion of main shaft drive on the slotting tool up-down stroke processing workbench carry out the cutter relieving action, here can be through input control of correspondent program adjustable screw angle; When needs processing straight-tooth at first; Referring to Fig. 4, show that through experiment the slotting tool axial force remains under the constant force state in working order the time; The axial line speed of slotting tool remains under the constant speed state in working order the time, so the present invention has improved the stability and the precision of slotting tool slotting.
Specific embodiment described herein only is that the present invention's spirit is illustrated.Person of ordinary skill in the field of the present invention can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from the defined scope of spirit of the present invention.
Claims (6)
1. the hydraulic numerical control system of a gear shapping machine; It is characterized in that; Comprise mster-control centre (1); Be electrically connected with first oil cylinder (2), first whirligig (3) that is used to control the workbench rotation that are used to control movable workbench locking in the described mster-control centre (1) respectively, be used to clamp the clamping device (4) that is placed on workpiece on the workbench, be used to control the mobile device (5) that the knife rest assembly moves up and down; Be used to control second oil cylinder (6), second whirligig (7) that is used to control the slotting tool main axis rotation that slotting tool main shaft up-down stroke moves, be used to control the 3rd oil cylinder (8) of relieving mechanism and be used to control the 4th oil cylinder (9) that the knife rest assembly moves up and down balance; After workpiece to be processed is placed on the workbench and is fixedly clamped through clamping device (4); First whirligig (3) drives the workbench rotation, and first oil cylinder (2) drives movable workbench, described mobile device (5) thus driving the knife rest assembly moves and drives slotting tool and move; Described second whirligig (7) drives the slotting tool rotation; Second oil cylinder (6) thus control slotting tool motion of main shaft drives the workpiece on the slotting tool up-down stroke processing workbench, the slotting tool of described the 3rd oil cylinder (8) control simultaneously carries out the cutter relieving action, processes the shape of respective teeth.
2. the hydraulic numerical control system of a kind of gear shapping machine according to claim 1; It is characterized in that; Described first whirligig (3) comprises table top feed screw mandrel (31), feed worm gear spoke (32) and first motor (33); Described table top feed screw mandrel (31) cooperates with feed worm gear spoke (32), and first motor (33) drives the feed screw mandrel and feed worm gear spoke (32) drives the workbench rotation.
3. the hydraulic numerical control system of a kind of gear shapping machine according to claim 1; It is characterized in that; Described mobile device (5) comprises and moves up and down worm gear spoke (51), moves up and down screw mandrel (52) and second motor (53); Describedly move up and down worm gear spoke (51) and move up and down screw mandrel (52) and cooperate, second motor (53) drives and moves up and down worm gear spoke (51) and move up and down screw mandrel (52) and drive the knife rest assembly and move up and down.
4. the hydraulic numerical control system of a kind of gear shapping machine according to claim 1; It is characterized in that; Described second whirligig (7) comprises that slotting tool rotates worm gear spoke (71) and the 3rd motor (72), and described the 3rd motor (72) drives slotting tool and rotates the rotation of worm gear spoke (71) drive slotting tool.
5. according to the hydraulic numerical control system of each described a kind of gear shapping machine of claim 2 to 4; It is characterized in that; Be connected with servo valve (10) on described the 3rd oil cylinder (8) and second oil cylinder (6); Be connected with the overflow valve (11) that is used to regulate pressure at the last end of servo valve (10), the other end is connected with relay (13), on overflow valve (11), is connected with servo import oil cleaner screen (14) and servo outlet oil cleaner screen (15).
6. the hydraulic numerical control system of a kind of gear shapping machine according to claim 5; It is characterized in that; Described clamping device (4) is the 5th oil cylinder (41), on the 5th oil cylinder (41), is connected with solenoid directional control valve (12), is connected with solenoid directional control valve (12) on described first oil cylinder (2); On the end on the solenoid directional control valve (12), connect relay (13); Be connected with the pressure-reducing valve (16) that is used to regulate lubrication pressure on the relay (13), be connected with on the pressure-reducing valve (16) to be used to regulate and lubricate glossy choke valve (17), choke valve (17) is connected with workbench, knife rest assembly and column respectively.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101087446A CN102615360B (en) | 2012-04-10 | 2012-04-10 | Hydraulic numerical control system of gear shaping machine |
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| CN2012101087446A CN102615360B (en) | 2012-04-10 | 2012-04-10 | Hydraulic numerical control system of gear shaping machine |
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| CN102615360A true CN102615360A (en) | 2012-08-01 |
| CN102615360B CN102615360B (en) | 2013-12-11 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110253336A (en) * | 2019-07-01 | 2019-09-20 | 吴行飞 | Device for detecting axial displacement when a kind of work piece holder rotates |
| CN110587039A (en) * | 2019-09-20 | 2019-12-20 | 付国忠 | Industrial robot gear equipment |
| CN110893492A (en) * | 2019-12-03 | 2020-03-20 | 磐安艾肯机械设备有限公司 | High efficiency rack cutting device |
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| US4786218A (en) * | 1985-01-30 | 1988-11-22 | Mannesmann Rexroth Gmbh | Machine tool comprising a tool driven in the axial direction by a hydraulic lifting cylinder, in particular a gear shaper machine |
| SU1518092A1 (en) * | 1986-08-21 | 1989-10-30 | В. И. Калиниченко | Gear shaper |
| CN201002152Y (en) * | 2007-02-27 | 2008-01-09 | 天津市进口精密设备新技术发展公司 | Highly effective digital control tooth chamfering machine |
| CN202517146U (en) * | 2012-04-10 | 2012-11-07 | 宁波东平齿轮制造有限公司 | Hydraulic numerical control system of gear shaping machine |
-
2012
- 2012-04-10 CN CN2012101087446A patent/CN102615360B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4786218A (en) * | 1985-01-30 | 1988-11-22 | Mannesmann Rexroth Gmbh | Machine tool comprising a tool driven in the axial direction by a hydraulic lifting cylinder, in particular a gear shaper machine |
| SU1518092A1 (en) * | 1986-08-21 | 1989-10-30 | В. И. Калиниченко | Gear shaper |
| CN201002152Y (en) * | 2007-02-27 | 2008-01-09 | 天津市进口精密设备新技术发展公司 | Highly effective digital control tooth chamfering machine |
| CN202517146U (en) * | 2012-04-10 | 2012-11-07 | 宁波东平齿轮制造有限公司 | Hydraulic numerical control system of gear shaping machine |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110253336A (en) * | 2019-07-01 | 2019-09-20 | 吴行飞 | Device for detecting axial displacement when a kind of work piece holder rotates |
| CN110587039A (en) * | 2019-09-20 | 2019-12-20 | 付国忠 | Industrial robot gear equipment |
| CN110587039B (en) * | 2019-09-20 | 2020-08-04 | 佛山拓研精密机械有限公司 | Industrial robot gear equipment |
| CN110893492A (en) * | 2019-12-03 | 2020-03-20 | 磐安艾肯机械设备有限公司 | High efficiency rack cutting device |
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| CN102615360B (en) | 2013-12-11 |
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Effective date of registration: 20190109 Address after: 315113 East Village, Wu Town, Yinzhou District, Ningbo, Zhejiang Patentee after: Ningbo Chuangxing Intelligent Transmission Co., Ltd. Address before: 315113 Ping Tang Village, east Wu Town, Yinzhou District, Ningbo, Zhejiang Patentee before: Ningbo Dongping Gear Manufacturing Co., Ltd. |