CN107262835A - A kind of rack gear grinding machines - Google Patents

A kind of rack gear grinding machines Download PDF

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Publication number
CN107262835A
CN107262835A CN201710561907.9A CN201710561907A CN107262835A CN 107262835 A CN107262835 A CN 107262835A CN 201710561907 A CN201710561907 A CN 201710561907A CN 107262835 A CN107262835 A CN 107262835A
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CN
China
Prior art keywords
vertical
motor
horizontal
rack gear
guide rail
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710561907.9A
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Chinese (zh)
Inventor
薛雷刚
李佗普
陈保军
韩乾菊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yichang Changjiang Machine Technology Co Ltd
Original Assignee
Yichang Changjiang Machine Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Yichang Changjiang Machine Technology Co Ltd filed Critical Yichang Changjiang Machine Technology Co Ltd
Priority to CN201710561907.9A priority Critical patent/CN107262835A/en
Publication of CN107262835A publication Critical patent/CN107262835A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23FMAKING GEARS OR TOOTHED RACKS
    • B23F23/00Accessories or equipment combined with or arranged in, or specially designed to form part of, gear-cutting machines
    • B23F23/12Other devices, e.g. tool holders; Checking devices for controlling workpieces in machines for manufacturing gear teeth
    • B23F23/1225Arrangements of abrasive wheel dressing devices on gear-cutting machines
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23FMAKING GEARS OR TOOTHED RACKS
    • B23F5/00Making straight gear teeth involving moving a tool relatively to a workpiece with a rolling-off or an enveloping motion with respect to the gear teeth to be made
    • B23F5/02Making straight gear teeth involving moving a tool relatively to a workpiece with a rolling-off or an enveloping motion with respect to the gear teeth to be made by grinding

Abstract

The invention discloses a kind of rack gear grinding machines, it includes being provided with grinding mechanism, wheel dressing mechanism and in position detecting mechanism on tool-post structure, the tool-post structure;The grinding mechanism includes main motor, and the main motor is fixedly mounted on tool-post structure, and main motor is made up of with grinding wheel spindle belt and drive pulley and is provided with emery wheel on V belt translation, the grinding wheel spindle;This gear grinding machines uses mechanical main shaft, reduces grinding wheel diameter, increases grinding wheel width, reduce use cost, adds efficiency;Wheel dressing mechanism is arranged on above emery wheel, restoring on line is realized, improves dressing accuracy, reduce non-cutting time.

Description

A kind of rack gear grinding machines
Technical field
The present invention relates to gear grinding machines device field, and in particular to a kind of rack gear grinding machines.
Background technology
At present, rack roll flute cutter holder grinding wheel spindle is generally electro spindle, and wheel dressing mechanism is arranged apart with grinding wheel spindle, And detection function in place of not having;Because under same power condition, electro spindle driving torque is generally less than mechanical main shaft driving torque, Grinding wheel width is installed and is less than mechanical main shaft, causes former rack gear grinding machines grinding efficiency relatively low;What is had will in order to increase driving moment Ask, increase or increase main shaft so that grinding wheel diameter or main shaft rigidly occur in that larger fluctuation, so that actual processing efficiency And precision is difficult to be guaranteed;It can not be detected in place additionally, due to burring machine is fitted without, and then postpartum secondary positioning Error, influences machining accuracy, and add lathe non-cutting time.
The content of the invention
The present invention provides a kind of rack gear grinding machines, and this gear grinding machines uses mechanical main shaft, reduces grinding wheel diameter, increases sand Width is taken turns, use cost is reduced, adds efficiency;Wheel dressing mechanism is arranged on above emery wheel, restoring on line is realized, Dressing accuracy is improved, non-cutting time is reduced.
In order to solve the above-mentioned technical problem, the present invention proposes following technical scheme:A kind of rack gear grinding machines, it includes knife rest Grinding mechanism, wheel dressing mechanism are installed and in position detecting mechanism on body, the tool-post structure;
The grinding mechanism includes main motor, and the main motor is fixedly mounted on tool-post structure, and main motor passes through belt and transmission Belt wheel constitutes with grinding wheel spindle and is provided with emery wheel on V belt translation, the grinding wheel spindle;
The emery wheel dressing mechanism is arranged on the surface of emery wheel, and it includes horizontal linear guide rail, and the horizontal linear guide rail is consolidated Dingan County, which is mounted in be slidably installed on tool-post structure, the horizontal linear guide rail, cross sliding clock, and the cross sliding clock is passed with level Motivation structure is connected, and drives cross sliding clock to be moved along horizontal linear guide rail horizontal reciprocating;It is vertically installed with the cross sliding clock Being slidably installed on vertical line guide rail, the vertical line guide rail has vertical slipper, the vertical slipper and vertical-transmission Mechanism is connected, and drives vertical slipper to be moved back and forth along vertical line guide rail vertical lift;
The wheel dressing mechanism includes finishing main shaft, and the mounting seat of the finishing main shaft is fixedly linked with vertical slipper, described Emery wheel is installed on finishing main shaft;
The lower section that emery wheel is arranged in position detecting mechanism.
The grinding wheel spindle is mechanical main shaft.
The horizontal linear guide rail uses bilinear axle rolling guide mechanism, and knife is fixedly mounted on by the way that holding screw is parallel On support body;
The vertical line guide rail uses bilinear axle rolling guide mechanism, is slided by the parallel level that is fixedly mounted on of holding screw On block.
The horizontal drive mechanism includes horizontal drive motor, and the horizontal drive motor is fixedly mounted on horizontal motor seat On, the horizontal motor seat is fixedly mounted on tool-post structure;The output shaft of the horizontal drive motor by first shaft coupling with Horizontal conveyor screw mandrel is connected, and the horizontal conveyor screw mandrel constitutes screw nut driving with horizontal conveyor feed screw nut and coordinated, described Horizontal conveyor feed screw nut is fixedly mounted on cross sliding clock.
The horizontal conveyor screw mandrel is arranged on horizontal motor seat by horizontal bearing.
The vertical transmission mechanism includes vertical driving motor, and the Vertical drive motor is fixedly mounted on motor vertical seat On, the motor vertical seat is fixedly mounted on vertical slipper;The output shaft of the Vertical drive motor passes through second shaft coupling It is connected with vertical-transmission screw mandrel, the vertical-transmission screw mandrel constitutes screw nut driving with vertical-transmission feed screw nut and coordinated, institute Vertical-transmission feed screw nut is stated to be fixedly mounted on vertical slipper.
The vertical-transmission screw mandrel is arranged on motor vertical seat by vertical bearing.
It is described to include being provided with by flat key on position detection slew gear, institute's rheme detection slew gear in position detecting mechanism Measuring staff, the end of the measuring staff is provided with gauge head.
The horizontal drive motor of the horizontal drive mechanism, the vertical driving motor of vertical transmission mechanism and finishing main shaft Motor is connected with the controller of digital control system, drives emery wheel to repair tooth form on emery wheel using moving interpolation.
The controller of the digital control system is connected with position detecting mechanism simultaneously, according to actually measured correction of the flank shape result, automatically Compensate error again correction of the flank shape to qualified.
The method have the advantages that:
1st, main motor drives grinding wheel spindle to rotate by belt, drives wheel grinding workpiece, and then carry out the roll flute operation of rack; And traditional electro spindle is substituted in grinding process using mechanical main shaft, increase the torque of main shaft, it is ensured that grinding efficiency, and And grinding wheel width is installed more than traditional electro spindle, improve former rack gear grinding machines grinding efficiency.
When the 2nd, repairing emery wheel, finishing main shaft drives emery wheel 13 to rotate, according to required tooth form, horizontal drive mechanism and hangs down Direct-transmission mechanism repairs design tooth profile on emery wheel according to numerical control program moving interpolation with emery wheel 13.
3rd, by using mechanical main shaft, increase driving moment, it is ensured that the rigidity of mechanical main shaft, reduce the ripple of main shaft It is dynamic, and then improve actual processing efficiency and precision.
4th, mechanical main shaft is used by increase, reduces grinding wheel diameter, increases grinding wheel width, reduce use cost, Add efficiency;Wheel dressing mechanism is arranged on above emery wheel, restoring on line is realized, improves dressing accuracy, reduce Non-cutting time.
5th, in position detecting mechanism the tooth form of repaired emery wheel can be constantly detected by described, and by after detection Tooth form is transferred to numerical control interpolation system, is adjusted in time by patching plug program, automatic compensation error again correction of the flank shape to qualified.
Brief description of the drawings
The invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is rack gear grinding machines cutter frame structure figure.
Fig. 2 is horizontal linear axle construction figure.
Fig. 3 is vertical line axle construction figure.
Fig. 4 is slew gear structure chart.
Fig. 5 is gauge head resetting structure figure.
In figure:Gauge head 1, measuring staff 2, finishing main shaft 3, position detection slew gear 4, horizontal drive motor 5, cross sliding clock 7, knife Support body 8, Vertical drive motor 9, main motor 10, belt 11, grinding wheel spindle 12, emery wheel 13, emery wheel 14, horizontal bearing 15, First shaft coupling 16, horizontal conveyor screw mandrel 17, vertical slipper 18, motor vertical seat 19, second shaft coupling 20, vertical bearing 21, Vertical-transmission screw mandrel 22, horizontal linear guide rail 23, vertical line guide rail 24, flat key 25.
Embodiment
Embodiments of the present invention are described further below in conjunction with the accompanying drawings.
As Figure 1-5, a kind of rack gear grinding machines, it includes tool-post structure 8, be provided with the tool-post structure 8 grinding mechanism, Wheel dressing mechanism and in position detecting mechanism;
Further, the grinding mechanism includes main motor 10, and the main motor 10 is fixedly mounted on tool-post structure 8, main motor 10 are made up of belt 11 and drive pulley and grinding wheel spindle 12 and are provided with emery wheel 14 on V belt translation, the grinding wheel spindle 12;Work During work, grinding wheel spindle 12 is driven by described main motor 10, then drive emery wheel 14 to carry out gear by grinding wheel spindle 12 Grinding.
Further, the emery wheel dressing mechanism is arranged on the surface of emery wheel 14, and it includes horizontal linear guide rail 23, institute Stating horizontal linear guide rail 23 and being fixedly mounted on to be slidably installed on tool-post structure 8, the horizontal linear guide rail 23 has cross sliding clock 7, the cross sliding clock 7 is connected with horizontal drive mechanism, and drives cross sliding clock 7 to be moved along the horizontal reciprocating of horizontal linear guide rail 23 It is dynamic;Being vertically installed with to be slidably installed on vertical line guide rail 24, the vertical line guide rail 24 on the cross sliding clock 7 has Vertical slipper 18, the vertical slipper 18 is connected with vertical transmission mechanism, and drives vertical slipper 18 along vertical line guide rail 24 Vertical lift is moved back and forth;In the course of work, whole emery wheel dressing mechanism is driven along horizontal direction by horizontal drive mechanism It is mobile, drive whole emery wheel dressing mechanism to be moved along vertical direction by described vertical transmission mechanism, finally, realize gear Dressing operation.
Further, the wheel dressing mechanism includes finishing main shaft 3, and the mounting seat of the finishing main shaft 3 is slided with vertical Block 18 is fixedly linked, and emery wheel 13 is provided with the finishing main shaft 3;In the course of work Buddha's warrior attendant is driven by repairing main shaft 3 Roller 13, is ground, dressing operation by the cooperation between emery wheel 13 and emery wheel 14 to it.
Further, the lower section that emery wheel 14 is arranged in position detecting mechanism.By being examined installed in the lower section of emery wheel 14 Measure actual processing tooth form, and according to actual correction of the flank shape effect, automatic compensation error again correction of the flank shape to qualified.
Further, the grinding wheel spindle 12 is mechanical main shaft.Using mechanical main shaft, reduce grinding wheel diameter, increase Grinding wheel width, reduces use cost, adds efficiency.
Further, the horizontal linear guide rail 23 is parallel by holding screw using bilinear axle rolling guide mechanism It is fixedly mounted on tool-post structure 8;By using bilinear axle rolling guide, mechanism ensure that transmission accuracy and transmission efficiency.
Further, the vertical line guide rail 24 is parallel by holding screw using bilinear axle rolling guide mechanism It is fixedly mounted on cross sliding clock 7.By using bilinear axle rolling guide, mechanism ensure that transmission accuracy.
Further, the horizontal drive mechanism includes horizontal drive motor 5, and the horizontal drive motor 5 is fixedly mounted On horizontal motor seat 6, the horizontal motor seat 6 is fixedly mounted on tool-post structure 8;The output shaft of the horizontal drive motor 5 It is connected by first shaft coupling 16 with horizontal conveyor screw mandrel 17, the horizontal conveyor screw mandrel 17 is constituted with horizontal conveyor feed screw nut Screw nut driving coordinates, and the horizontal conveyor feed screw nut is fixedly mounted on cross sliding clock 7.In the course of work, pass through institute The horizontal drive motor 5 stated can drive horizontal conveyor screw mandrel 17, pass through horizontal conveyor screw mandrel 17 and horizontal conveyor feed screw nut Constitute screw nut driving to coordinate, and then drive cross sliding clock 7 to be slided along slide rail.
Further, the horizontal conveyor screw mandrel 17 is arranged on horizontal motor seat 6 by horizontal bearing 15.
Further, the vertical transmission mechanism includes vertical driving motor 9, and the Vertical drive motor 9 is fixedly mounted On motor vertical seat 19, the motor vertical seat 19 is fixedly mounted on vertical slipper 18;The Vertical drive motor 9 it is defeated Shaft is connected by second shaft coupling 20 with vertical-transmission screw mandrel 22, the vertical-transmission screw mandrel 22 and vertical-transmission feed screw nut Constitute screw nut driving to coordinate, the vertical-transmission feed screw nut is fixedly mounted on vertical slipper 18.In the course of work, lead to Vertical-transmission screw mandrel 22 can be driven by crossing described motor vertical seat 19, pass through vertical-transmission screw mandrel 22 and vertical-transmission screw mandrel spiral shell Mother constitutes screw nut driving and coordinated, and then drives vertical slipper 18 to be slided along slide rail.
Further, the vertical-transmission screw mandrel 22 is arranged on motor vertical seat 19 by vertical bearing 21.
Further, it is described to include leading on position detection slew gear 4, institute's rheme detection slew gear 4 in position detecting mechanism Cross flat key 25 and measuring staff 2 is installed, the end of the measuring staff 2 is provided with gauge head 1.By detecting actual processing in position detecting mechanism Tooth form, and according to actual correction of the flank shape effect, automatic compensation error again correction of the flank shape to qualified.
Further, the vertical driving motor 9 of the horizontal drive motor 5 of the horizontal drive mechanism, vertical transmission mechanism It is connected with the motor of finishing main shaft 3 with the controller of digital control system, emery wheel 13 is driven on emery wheel 14 using moving interpolation Repair tooth form.
Further, the controller of the digital control system is connected with position detecting mechanism simultaneously, according to actually measured correction of the flank shape As a result, automatic compensation error again correction of the flank shape to qualified.
Operation principle and the course of work of the present invention:
In the course of work, first, main motor 10 drives grinding wheel spindle 12 to rotate by belt 11, drives the grinding workpiece of emery wheel 14, And then carry out the roll flute operation of rack;
Then, when repairing emery wheel 14, finishing main shaft 3 drives emery wheel 13 to rotate, according to required tooth form, horizontal drive mechanism and Vertical transmission mechanism will repair design tooth profile on emery wheel according to numerical control program moving interpolation with emery wheel 13, by trying to grind;
Finally, then by detecting actual processing tooth form in position detecting mechanism, and according to actual correction of the flank shape effect, automatic compensation error weight New correction of the flank shape is to qualified.
By above-mentioned description, those skilled in the art completely can be in the model without departing from this invention technological thought In enclosing, various changes and amendments are carried out all within protection scope of the present invention.The unaccomplished matter of the present invention, belongs to ability The common knowledge of field technique personnel.

Claims (10)

1. a kind of rack gear grinding machines, it includes tool-post structure(8), the tool-post structure(8)On grinding mechanism, abrasive wheel trimming machine are installed Structure and in position detecting mechanism, it is characterised in that:
The grinding mechanism includes main motor(10), the main motor(10)It is fixedly mounted on tool-post structure(8)On, main motor(10) Pass through belt(11)And drive pulley and grinding wheel spindle(12)Constitute V belt translation, the grinding wheel spindle(12)On emery wheel is installed (14);
The emery wheel dressing mechanism is arranged on emery wheel(14)Surface, it include horizontal linear guide rail(23), the level is straight Line guide rail(23)It is fixedly mounted on tool-post structure(8), the horizontal linear guide rail(23)On be slidably installed and have cross sliding clock (7), the cross sliding clock(7)It is connected with horizontal drive mechanism, and drives cross sliding clock(7)Along horizontal linear guide rail(23)Level Move back and forth;The cross sliding clock(7)On be vertically installed with vertical line guide rail(24), the vertical line guide rail(24)Upper cunning Dynamic cooperation is provided with vertical slipper(18), the vertical slipper(18)It is connected with vertical transmission mechanism, and drives vertical slipper (18)Along vertical line guide rail(24)Vertical lift is moved back and forth;
The wheel dressing mechanism includes finishing main shaft(3), the finishing main shaft(3)Mounting seat and vertical slipper(18)It is fixed It is connected, the finishing main shaft(3)On emery wheel is installed(13);
It is described to be arranged on emery wheel in position detecting mechanism(14)Lower section.
2. a kind of rack gear grinding machines according to claim 1, it is characterised in that:The grinding wheel spindle(12)It is main for machinery Axle.
3. a kind of rack gear grinding machines according to claim 1, it is characterised in that:The horizontal linear guide rail(23)Using double Linear axis rolling guide mechanism, tool-post structure is fixedly mounted on by the way that holding screw is parallel(8)On;
The vertical line guide rail(24)Using bilinear axle rolling guide mechanism, water is fixedly mounted on by the way that holding screw is parallel Smooth block(7)On.
4. a kind of rack gear grinding machines according to claim 1, it is characterised in that:The horizontal drive mechanism drives including level Dynamic motor(5), the horizontal drive motor(5)It is fixedly mounted on horizontal motor seat(6)On, the horizontal motor seat(6)It is fixed Installed in tool-post structure(8)On;The horizontal drive motor(5)Output shaft pass through first shaft coupling(16)With horizontal conveyor screw mandrel (17)It is connected, the horizontal conveyor screw mandrel(17)Screw nut driving is constituted with horizontal conveyor feed screw nut to coordinate, the level Drive lead screw nut is fixedly mounted on cross sliding clock(7)On.
5. a kind of rack gear grinding machines according to claim 4, it is characterised in that:The horizontal conveyor screw mandrel(17)Pass through water Plane bearing(15)Installed in horizontal motor seat(6)On.
6. a kind of rack gear grinding machines according to claim 1, it is characterised in that:The vertical transmission mechanism includes vertical drive Dynamic motor(9), the Vertical drive motor(9)It is fixedly mounted on motor vertical seat(19)On, the motor vertical seat(19)Gu Dingan County is mounted in vertical slipper(18)On;The Vertical drive motor(9)Output shaft pass through second shaft coupling(20)Passed with vertical Dynamic screw mandrel(22)It is connected, the vertical-transmission screw mandrel(22)Screw nut driving is constituted with vertical-transmission feed screw nut to coordinate, institute State vertical-transmission feed screw nut and be fixedly mounted on vertical slipper(18)On.
7. a kind of rack gear grinding machines according to claim 5, it is characterised in that:The vertical-transmission screw mandrel(22)By hanging down D-axis is held(21)Installed in motor vertical seat(19)On.
8. a kind of rack gear grinding machines according to claim 1, it is characterised in that:It is described to be detected in position detecting mechanism including position Slew gear(4), institute's rheme detection slew gear(4)It is upper to pass through flat key(25)Measuring staff is installed(2), the measuring staff(2)End End is provided with gauge head(1).
9. a kind of rack gear grinding machines according to claim 1, it is characterised in that:The horizontal drive of the horizontal drive mechanism Motor(5), vertical transmission mechanism vertical driving motor(9)With finishing main shaft(3)Motor and the controller phase of digital control system Even, emery wheel is driven using moving interpolation(13)In emery wheel(14)On repair tooth form.
10. a kind of rack gear grinding machines according to claim 9, it is characterised in that:The controller of the digital control system is simultaneously Be connected with position detecting mechanism, according to actually measured correction of the flank shape result, automatic compensation error again correction of the flank shape to qualified.
CN201710561907.9A 2017-07-11 2017-07-11 A kind of rack gear grinding machines Pending CN107262835A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710561907.9A CN107262835A (en) 2017-07-11 2017-07-11 A kind of rack gear grinding machines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710561907.9A CN107262835A (en) 2017-07-11 2017-07-11 A kind of rack gear grinding machines

Publications (1)

Publication Number Publication Date
CN107262835A true CN107262835A (en) 2017-10-20

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ID=60072591

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Application Number Title Priority Date Filing Date
CN201710561907.9A Pending CN107262835A (en) 2017-07-11 2017-07-11 A kind of rack gear grinding machines

Country Status (1)

Country Link
CN (1) CN107262835A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110757325A (en) * 2018-10-12 2020-02-07 吉林瑞铭机电设备有限公司 Full-automatic vertical rack longitudinal polishing machine
CN110814441A (en) * 2019-11-28 2020-02-21 台州椒江门发机械科技有限公司 Rack slotting equipment capable of integrally manufacturing different insections
CN111112524A (en) * 2020-02-24 2020-05-08 陈春 Processing equipment for rack of electric steering gear
CN114559372A (en) * 2022-03-02 2022-05-31 杭州芝元机电有限公司 Double-shaft continuous trimmer and control method thereof

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110757325A (en) * 2018-10-12 2020-02-07 吉林瑞铭机电设备有限公司 Full-automatic vertical rack longitudinal polishing machine
CN110814441A (en) * 2019-11-28 2020-02-21 台州椒江门发机械科技有限公司 Rack slotting equipment capable of integrally manufacturing different insections
CN111112524A (en) * 2020-02-24 2020-05-08 陈春 Processing equipment for rack of electric steering gear
CN111112524B (en) * 2020-02-24 2022-01-18 山东福临装备集团有限公司 Processing equipment for rack of electric steering gear
CN114559372A (en) * 2022-03-02 2022-05-31 杭州芝元机电有限公司 Double-shaft continuous trimmer and control method thereof

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