CN102814553B - Gear grinding machine with numerical control forming grinding wheel - Google Patents

Gear grinding machine with numerical control forming grinding wheel Download PDF

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Publication number
CN102814553B
CN102814553B CN201110381316.6A CN201110381316A CN102814553B CN 102814553 B CN102814553 B CN 102814553B CN 201110381316 A CN201110381316 A CN 201110381316A CN 102814553 B CN102814553 B CN 102814553B
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CN
China
Prior art keywords
gear
grinding
wheel
grinding wheel
trimming
Prior art date
Application number
CN201110381316.6A
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Chinese (zh)
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CN102814553A (en
Inventor
邓效忠
郭建松
苏建新
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洛阳科大越格数控机床有限公司
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Priority to CN201110381316.6A priority Critical patent/CN102814553B/en
Publication of CN102814553A publication Critical patent/CN102814553A/en
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Publication of CN102814553B publication Critical patent/CN102814553B/en

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Abstract

The invention discloses a gear grinding machine with a numerical control forming grinding wheel; the grinding wheel comprises a stand which is provided with a horizontal sliding guide rail and a longitudinal sliding guide rail; a work piece rotary part is slidably assembled on the longitudinal sliding guide rail in a guiding way; a vertical column is slidably assembled on the horizontal sliding guide rail in a guiding way; and a grinding mechanism which is used for grinding a processed gear is slidably assembled on the vertical column in a guiding way along a vertical direction. The gear grinding machine with the numerical control forming grinding wheel also comprises a grinding wheel forming and finishing device which finishes a grinding wheel; the grinding wheel forming and finishing device comprises a finishing device base which is independently assembled on the vertical column above the grinding mechanism and a finishing wheel with the axis extending along a longitudinal direction; and the finishing wheel is slidably assembled on the sliding guide rail of a longitudinal finishing device of the finishing device base through a finishing wheel frame which extends outwards in a guiding way. According to the gear grinding machine with the numerical control forming grinding wheel, the problems of the prior art that the processing surface of the grinding wheel cannot be finished to be consistent with the shape of the gear slot of the processed gear, and the precise of the processing gear and the processing efficiency of the gear with a large specification are affected are solved.

Description

Numerical control formed grinding wheel gear grinding machine
Technical field
The present invention relates to field of machining, relate in particular to a kind of numerical control formed grinding wheel gear grinding machine.
Background technology
Prior art is according to the disclosed one of Chinese patent 200910218408.5 " numerical control worm gear-grinding machine ", the workpiece rotating part and the vertical secondary column corresponding with workpiece rotating part on this numerical control worm gear-grinding machine comprises support and is fixed on support and for machining gears, installed, support is provided with lateral slide rail, the slidable fit that leads in lateral slide rail has vertical head tree, vertical secondary column is provided with vertical secondary column rail plate, on the vertical secondary column rail plate of the corresponding position of the secondary vertical upright column of the axial top of workpiece rotating part, be provided with the taper support workpiece for shaft gear processing location, the tip of taper support workpiece is towards support direction, vertical head tree is provided with vertical head tree rail plate vertically, on vertical head tree rail plate, slidable fit is useful on the grinding mechanism of grinding worm, grinding mechanism comprises emery wheel rotating part and passes through the bistrique portion of emery wheel rotating part slidable fit on vertical head tree rail plate, bistrique portion comprises for the abrasive grinding wheel of Gear Processing with for driving the grinding motor of emery wheel work, bistrique portion is assemblied on vertical head tree rail plate by emery wheel rotating part, because this gear-grinding machine lacks the burring machine to abrasive grinding wheel, therefore abrasive grinding wheel section cannot be trimmed to consistent with the slot form of processed gear, have influence on the precision of processed gear and the working (machining) efficiency of Big sized gear.
Summary of the invention
The object of the present invention is to provide a kind of numerical control formed grinding wheel gear grinding machine, cannot be trimmed to unanimously with the slot form of processed gear to solve prior art abrasive grinding wheel machined surface, have influence on the precision of processed gear and the working (machining) efficiency of Big sized gear.
In order to address the above problem, technical scheme of the present invention is:
Numerical control formed grinding wheel gear grinding machine, comprise support and be assemblied on support for the workpiece rotating part of processed gear is installed, support is provided with lateral slide rail, the slidable fit that leads in lateral slide rail has vertical upright column, on vertical upright column, be useful on the grinding mechanism of the processed gear of grinding by the vertical rail plate guiding slidable fit arranging on it, described workpiece rotating part is slidedly assemblied on support by the longitudinal sliding motion guide rail guiding arranging on support, described numerical control formed grinding wheel gear grinding machine also comprises the form truing device to abrasive grinding wheel finishing, form truing device comprises and is independently assemblied in grinding mechanism top, the freeing wheel that the trimming device base assembling on vertical upright column and axis extend longitudinally, trimming device base is provided with longitudinal trimming device rail plate, described freeing wheel leads slidable fit on described longitudinal trimming device rail plate by overhanging finishing wheel carrier.
Described grinding mechanism comprises the bistrique mount pad of guiding slidable fit on described vertical upright column rail plate, on described bistrique mount pad, be provided with bistrique portion, for rotary bistrique portion around the emery wheel rotating part of lateral deflection with for detection of the gear error on-line measuring device of processed Errors in Gear Processing.
On described trimming device base, be also provided with for driving the described freeing wheel trimming device leading screw that longitudinally trimming device rail plate slides and providing the trimming device servomotor of power for trimming device leading screw.
Described emery wheel rotating part comprises the rotary disk for driving abrasive grinding wheel axis tilt, and described abrasive grinding wheel is arranged on rotary disk, and the axis of described rotary disk is along horizontally set.
On described support, being also provided with the vertical upright column that drives vertical upright column to slide along lateral slide rail guiding assembles leading screw and provides the vertical upright column assembling leading screw servomotor of power for vertical upright column assembles leading screw; On described support, be also provided with and drive the workpiece rotating part workpiece rotating part assembling leading screw that longitudinally rail plate guiding is slided and provide the workpiece rotating part assembling leading screw servomotor of power for workpiece rotating part assembles leading screw.
Beneficial effect of the present invention is: in the time that the abrasive grinding wheel of grinding mechanism need to be repaired, vertically moving and the vertical movement of grinding mechanism of the freeing wheel of the form truing device by grinding mechanism top, abrasive grinding wheel machined surface is trimmed to the shape consistent with the slot form of processed gear, and the present invention can effectively improve the precision of processed gear and the working (machining) efficiency of Big sized gear.
Further effect is: processed gear is arranged on the installed surface of workpiece rotating part, can rotate around vertical direction with workpiece rotating part, can also be along the longitudinal movement with the longitudinal sliding motion guide rail arranging on support.Emery wheel rotating part drives abrasive grinding wheel around transverse rotation, and when grinding internal spur gear, the line of the axis of abrasive grinding wheel and emery wheel rotating part axis extends along vertical; When grinding helical teeth internal gear, the axis of abrasive grinding wheel with the line of emery wheel rotating part axis and vertically angled (helical angle), numerical control formed grinding wheel gear grinding machine of the present invention can grinding straight-tooth external gear, internal spur gear, helical teeth external gear and helical teeth internal gear, purposes is very extensive, can also effectively ensure precision and the working (machining) efficiency of processed gear simultaneously.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment of the present invention.
Detailed description of the invention
The embodiment of numerical control formed grinding wheel gear grinding machine is as shown in Figure 1: comprise support 1, support is provided with lateral slide rail 4 and longitudinal sliding motion guide rail 21, the slidable fit that leads in lateral slide rail 4 is useful on the vertical upright column 5 that abrasive grinding wheel 17 is installed, the slidable fit that leads on longitudinal sliding motion guide rail 21 is useful on installs the vertical workpiece rotating part 19 extending of processed gear 18 and axis edge, and workpiece rotating part 19 has horizontally disposed processed gear installed surface.Support 1 is provided with the vertical upright column that drives vertical upright column 5 to slide along lateral slide rail 4 guiding and assembles leading screw 3 and provide the vertical upright column assembling leading screw servomotor 2 of power for vertical upright column assembles leading screw 3; On support 1, be also provided with and drive the workpiece rotating part 19 workpiece rotating part assembling leading screw 20 that longitudinally rail plate 21 guiding are slided and provide the workpiece rotating part assembling leading screw servomotor 23 of power for workpiece rotating part assembles leading screw 20.Vertical upright column 5 is provided with vertical upright column slip slide rail 6, the slidable fit that leads on vertical upright column slip slide rail 6 is useful on the grinding mechanism of the processed gear 18 of grinding, grinding mechanism comprises the bistrique mount pad 25 of slidable fit on described vertical upright column rail plate 6, bistrique portion 16 is installed on bistrique mount pad 25, for with rotary bistrique portion 16 around the emery wheel rotating part 15 of lateral deflection with for detection of the gear error on-line measuring device 14 of processed Errors in Gear Processing, gear error on-line measuring device 14 comprises detection probe 13 and error Acquisition Processor (not shown), the scope of its detection has profile of tooth, teeth directional, the mismachining tolerance such as tooth pitch and base pitch, gear error on-line measuring device 14 belongs to prior art (being not described in detail) herein .bistrique portion 16 comprises by installing rack and is installed on the abrasive grinding wheel 17 on emery wheel rotating part 15, and abrasive grinding wheel 17 is deep into the inside processing internal tooth of processed gear 18 by installing rack.Emery wheel rotating part 15 comprises the rotary disk that drives abrasive grinding wheel 17 axis tilts and axis to extend transversely, and the installing rack that abrasive grinding wheel 17 is installed is fixed on rotary disk.Numerical control formed grinding wheel gear grinding machine also comprises for the form truing device 12 to abrasive grinding wheel finishing, form truing device 12 comprises the freeing wheel 11 that trimming device base 7 on the vertical upright column 5 that is independently assemblied in bistrique portion 16 tops and axis extend longitudinally, trimming device base 7 is provided with longitudinal trimming device rail plate 9, and the overhanging finishing wheel carrier of described freeing wheel 11 leads slidable fit on described longitudinal trimming device rail plate 9.On trimming device base 7, be also provided with for driving trimming device leading screw 8 that freeing wheel 11 slides along trimming device rail plate 9 guiding and providing the trimming device servomotor 10 of power for trimming device leading screw 8.In other embodiment in the present invention, the transmission component that in the present embodiment, all leading screw and corresponding servomotor form all can be replaced by hydraulic pressure or Pneumatic Transmission assembly.Orthogonal both direction in horizontal plane is defined as respectively to directions X, Y-direction, and vertical direction is defined as Z direction, and horizontal stroke in the present invention, longitudinally corresponding with directions X and Y-direction is respectively vertical corresponding with Z direction.
Numerical control formed grinding wheel gear grinding machine of the present invention is adding man-hour to processed gear 18, processed gear 18 is installed on the machining gears installed surface of workpiece rotating part 19, the correspondence position of workpiece rotating part 19 below the drive of workpiece rotating part assembling leading screw 20 is moved to bistrique portion 16, adjusts bistrique mount pad 25 and makes inside (or outside) that abrasive grinding wheel 17 is deep into processed gear 18 so that processing internal tooth (or external tooth).Workpiece rotating part 19 has coordinated internal tooth (or external tooth) processing to processed gear 18 with bistrique portion 16.Gear error on-line measuring device 14 is for detection of processed gear 18 mismachining tolerance due to the processed gear 18 that the flute profile of abrasive grinding wheel 17 misaligns or other reason causes in process, thereby carries out adjusting to ensure machining accuracy and working (machining) efficiency accordingly.In the time that abrasive grinding wheel 17 is repaired, rotary disk drives abrasive grinding wheel 17 to upward deflect, so by freeing wheel 11 to its finishing, ensure that 18 the slot form of shape and processed gear of abrasive grinding wheel 17 is identical.Trimming device base 7 and separating of bistrique portion 16 of independent setting, make bistrique portion hang the length and greatly shorten, and ensured the machining accuracy of roll flute.Numerical control formed grinding wheel gear grinding machine of the present invention both can grinding straight-tooth in (outward) gear also can grinding tiltedly in (outward) gear, purposes is very extensive, the while can also effectively ensure precision and the working (machining) efficiency of processed gear 18.

Claims (3)

1. numerical control formed grinding wheel gear grinding machine, comprise support and be assemblied on support for the workpiece rotating part of processed gear is installed, support is provided with lateral slide rail, the slidable fit that leads in lateral slide rail has vertical upright column, on vertical upright column, be useful on the grinding mechanism of the processed gear of grinding by the vertical rail plate guiding slidable fit arranging on it, it is characterized in that: described workpiece rotating part is slidedly assemblied on support by the longitudinal sliding motion guide rail guiding arranging on support, described numerical control formed grinding wheel gear grinding machine also comprises the form truing device to abrasive grinding wheel finishing, form truing device comprises and is independently assemblied in grinding mechanism top, the freeing wheel that the trimming device base assembling on vertical upright column and axis extend longitudinally, trimming device base is provided with longitudinal trimming device rail plate, described freeing wheel leads slidable fit on described longitudinal trimming device rail plate by overhanging finishing wheel carrier, grinding mechanism comprises bistrique portion, bistrique portion comprises by installing rack and is installed on the abrasive grinding wheel on emery wheel rotating part, abrasive grinding wheel is deep into the inside processing internal tooth of processed gear by installing rack, described emery wheel rotating part comprises the rotary disk that drives abrasive grinding wheel axis tilt and axis to extend transversely, in the time that abrasive grinding wheel is repaired, rotary disk drives abrasive grinding wheel to upward deflect, and then by freeing wheel, it is repaired, ensure that the shape of abrasive grinding wheel is identical with the slot form of processed gear.
2. numerical control formed grinding wheel gear grinding machine according to claim 1, is characterized in that: on described trimming device base, be also provided with for driving the described freeing wheel trimming device leading screw that longitudinally trimming device rail plate slides and providing the trimming device servomotor of power for trimming device leading screw.
3. numerical control formed grinding wheel gear grinding machine according to claim 1, is characterized in that: on described support, be also provided with the vertical upright column that drives vertical upright column to slide along lateral slide rail guiding and assemble leading screw and provide the vertical upright column assembling leading screw servomotor of power for vertical upright column assembles leading screw; On described support, be also provided with and drive the workpiece rotating part workpiece rotating part assembling leading screw that longitudinally rail plate guiding is slided and provide the workpiece rotating part assembling leading screw servomotor of power for workpiece rotating part assembles leading screw.
CN201110381316.6A 2011-11-26 2011-11-26 Gear grinding machine with numerical control forming grinding wheel CN102814553B (en)

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CN103962653A (en) * 2013-02-01 2014-08-06 重庆兴旺工具制造有限公司 Numerical control shaping gear grinding machine tool
CN103264198B (en) * 2013-05-07 2015-08-05 西安交通大学 A kind of face gear grinding method
CN103464832B (en) * 2013-09-26 2015-12-02 常州驰轮精密齿轮齿条有限公司 Multifunctional numerical control grinding machine bed
CN104385142A (en) * 2014-11-17 2015-03-04 重庆兴旺工具制造有限公司 Numerical control grinding machine for injection molding machine screws
CN104874866A (en) * 2014-12-13 2015-09-02 余姚市庆达机械有限公司 Grinding machine for star wheel teeth of single-screw air compressors
DE102015000908A1 (en) * 2015-01-23 2016-07-28 Liebherr-Verzahntechnik Gmbh Method and device for gear processing a workpiece by a diagonal rolling process
CN104827130B (en) * 2015-06-04 2017-12-12 北京广宇大成数控机床有限公司 The processing unit (plant) for the face gear that straight-tooth engages with helical teeth
CN104985261B (en) * 2015-07-02 2018-06-05 河南科技大学 A kind of gear forming grinding mechanism
CN105171140A (en) * 2015-10-07 2015-12-23 邢永安 Numerical control gear grinding machine for internal gear
DE202016004284U1 (en) * 2016-07-13 2016-09-02 KAPP Werkzeugmaschinen GmbH Grinding machine for grinding a profile
CN110744391A (en) * 2019-10-29 2020-02-04 方坤棉 Precision processing machine for manufacturing valve plate of compressor

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CN202052992U (en) * 2011-03-21 2011-11-30 洛阳科大越格数控机床有限公司 Gear grinding machine for numerical-control formed grinding wheel
CN202344052U (en) * 2011-11-26 2012-07-25 洛阳科大越格数控机床有限公司 Digital control gear grinder with forming grinding wheel

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