CN208408757U - A kind of gear cutting machine - Google Patents

A kind of gear cutting machine Download PDF

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Publication number
CN208408757U
CN208408757U CN201820995082.1U CN201820995082U CN208408757U CN 208408757 U CN208408757 U CN 208408757U CN 201820995082 U CN201820995082 U CN 201820995082U CN 208408757 U CN208408757 U CN 208408757U
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China
Prior art keywords
spindle
slide unit
machining spindle
cutting machine
gear cutting
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CN201820995082.1U
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Inventor
李国胜
张春晖
尚吉顺
史伟
陈闹
潘勇勇
胡勇
李锡晗
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HUNAN ZHONGDA CHUANGYUAN DIGITAL CONTROL EQUIPMENT CO Ltd
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HUNAN ZHONGDA CHUANGYUAN DIGITAL CONTROL EQUIPMENT CO Ltd
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Abstract

The utility model discloses a kind of gear cutting machines, gantry support and slide unit are provided on its column, pivot platform can be provided on the slide unit along vertical axis fixed-axis rotation, the middle part for pivoting platform can be provided with to rotation the work spindle being removably adapted to workpiece to be machined, the middle part of the gantry support rotation and can movably be provided with the machining spindle being removably adapted to cutter or grinding wheel along horizontal and vertical direction, the machining spindle to move horizontally direction consistent with the extending direction of its rotation axis, and the rotation axis of the work spindle and the rotation axis of the machining spindle are horizontally extending;The slide unit can be movably set on the column in the horizontal direction, and the slide unit move horizontally direction and the machining spindle to move horizontally direction perpendicular.The structure space of the gear cutting machine is reasonable, and device structure intensity and reliability are higher, and its processing efficiency and product quality are preferable.

Description

A kind of gear cutting machine
Technical field
The utility model relates to machine numerically-controlled machine tool equipment technical field, in particular to a kind of gear cutting machine.
Background technique
In the prior art, Machining Spiral Bevel Gear equipment has mechanical type hypoid generating machine and numerical control screw conic tooth Take turns machining tool.Mechanical type hypoid generating machine is being phased out, and numerical-control machine tool for processing spiral bevel gear is mesh The emphasis of preceding research directly controls three linear axis (i.e. X, Y, Z axis) and three rotation axis (i.e. A, B, C using computer Axis), with the working motion of analog mechanical type spiral bevel gear, to process spiral bevel gear.Numerical control helical bevel gear processing Complicated mechanical structure is converted to software control by lathe, realizes the informationization and intelligence of Machining Spiral Bevel Gear.
For general numerical-control machine tool for processing spiral bevel gear, structure is generally included: column is moveably secured to machine Work spindle on column and the machining spindle being moveably secured on column;The method of its machining of bevel gears is: by cutter or Grinding wheel is mounted on machining spindle, and workpiece is mounted on work spindle, rotates cutter or grinding wheel around cutter or grinding wheel axis, Rotate workpiece around axis of workpiece;Any of work spindle and machining spindle are mobile relative to column along the vertical direction, with Cutter or grinding wheel are moved closer in the vertical direction with workpiece to align and contact, while appointing in work spindle and machining spindle One is moved along first level direction relative to column, so that cutter or grinding wheel are moved closer in the horizontal direction with workpiece with right Position contact, simultaneous processing main shaft make dead axle pivot relative to column around vertical pivot axis, so that cutter or grinding wheel and workpiece knot It closes and processes tooth socket on workpiece.
Although being limited however, above structure can satisfy basic Gear Processing demand by its own structure, exist as Lower problem: 1, being influenced by column structure, and work spindle and machining spindle move horizontally that space is limited, and effective processing of gear is made Industry face and molding effect are restricted;2, machining spindle is moved in a manner of fixed-axis rotation opposite to each other around vertical pivot axis, by Machining spindle high speed rotation is needed in process principle, the high-revolving spinning motion of machining spindle causes to pivot shaft vibration, thus shadow The dynamic property of pivotal axis is rung, and then influences gear surface processing quality;3, it is limited by column structure, pivot axis is located at peace Mounted in machining spindle cutter or grinding wheel datum level on rear side of, between machining spindle axis and column defined by region It is interior, since the region is defined, the diameter of pivotal axis is caused to be limited, so that pivotal axis is rigidly poor, and due to above-mentioned zone It is limited, cause the driving method of pivotal axis to be limited, it can not the relatively advanced torque motor with direct drive structure of placement technique Etc. driving equipments, constrain the overall performance of lathe.
Therefore, the structure space for how optimizing gear cutting machine guarantees its structural strength and reliability, improves its processing Efficiency and product quality are the important technological problems that those skilled in the art need to solve at present.
Utility model content
The purpose of the utility model is to provide a kind of gear cutting machine, the structure space of the gear cutting machine is reasonable, Device structure intensity and reliability are higher, and its processing efficiency and product quality are preferable.
In order to solve the above technical problems, the utility model provides a kind of gear cutting machine, including column, on the column It is provided with gantry support and slide unit, pivot platform, the pivot platform can be provided on the slide unit along vertical axis fixed-axis rotation Middle part can be provided with to rotation the work spindle being removably adapted to workpiece to be machined, the middle part of the gantry support can from Turn and can movably be provided with the machining spindle being removably adapted to cutter or grinding wheel, the processing along horizontal and vertical direction Main shaft moves horizontally that direction is consistent with the extending direction of its rotation axis, and the rotation axis of the work spindle and it is described plus The rotation axis of work main shaft is horizontally extending;
The slide unit can be movably set on the column in the horizontal direction, and the slide unit move horizontally direction with The machining spindle to move horizontally direction perpendicular.
Preferably, the first guide rail is provided on the column, the slide unit is movably arranged on first guide rail, The extending direction of first guide rail and the slide unit move horizontally that direction is consistent, and the slide unit move horizontally direction with The length direction of the gantry support is consistent.
Preferably, the second guide rail extended along the vertical direction is provided on the gantry support, it can on second guide rail Movably be provided with pedestal, be provided with sliding block on the pedestal horizontally moveablely, and the moving direction of the sliding block with it is described The rotation axis extending direction of machining spindle is identical, and the machining spindle is specifically set on the sliding block.
Preferably, the rotation axis extending direction on the pedestal along the machining spindle is provided with third guide rail, described Have on sliding block and slides the guide groove being adapted to the third guide rail.
Preferably, the machining spindle is any one of cutter spindle or grinding wheel spindle.
Preferably, when the machining spindle is grinding wheel spindle, the side of the work spindle is provided with dresser.
Preferably, the driving device that the pivot platform can be driven to rotate is provided on the slide unit.
Preferably, the driving device is coaxially directly to drive the torque motor being adapted to the pivot platform.
In the course of work, workpiece is filled for relatively above-mentioned background technique, gear cutting machine provided by the utility model After being assemblied on machining spindle assigned in work spindle and by cutter or grinding wheel etc., control slide unit is moved to appropriate position in the horizontal direction It sets, while controlling machining spindle and being moved respectively along the extending direction and vertical direction of the rotation axis of machining spindle, so that cutter Or grinding wheel is contacted with workpiece to implement milling processing, work spindle can be made around vertical by pivoting the pivot of platform in process The axis in direction moderately rotates.The gear cutting machine will pivot the pivot knot of platform and the integrated assembling of work spindle due to using Structure, so that pivoting the relative position no longer office of the components such as pivot axis and column and the work spindle of platform in equipment running process It is limited to narrow limited area, the more wide in range freedom of selection of opposite rigging position, to effectively optimize lathe internal junction Structure, and pivot and no longer directly assembled between platform and machining spindle, so that there is no because of machining spindle between pivot structure and machining spindle Pivot assembly shakes caused by high speed rotation, ensure that the pivot operational reliability for pivoting platform and associated component;In addition, comparing The stress distribution more adduction of the gantry support structure used in rectangle column structure relatively conventional in the prior art, the application Reason, stress is more stable, and constructive interference is not present between gantry support and the motion profile of slide unit, can significantly improve slide unit Effective shift motion to keep the optional adapting position between work spindle and machining spindle more, and then makes the Gear Processing The accessories adaptability such as the workpiece and cutter of lathe or grinding wheel is stronger, and processing efficiency and product quality are more preferable.
In another preferred embodiment of the utility model, the first guide rail is provided on the column, the slide unit is removable Ground is set on first guide rail, the extending direction of first guide rail and the slide unit to move horizontally direction consistent, and The slide unit to move horizontally direction consistent with the length direction of the gantry support.The long side of first guide rail and gantry support Parallel structure can further avoid the interference between gantry support main structure and slide unit motion profile, to further extend Effective moving distance of slide unit guarantees the processing efficiency and product quality of the gear cutting machine.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the schematic perspective view of gear cutting machine provided by a kind of specific embodiment of the utility model;
Fig. 2 is the rear structure schematic diagram of Fig. 1.
Specific embodiment
The core of the utility model is to provide a kind of gear cutting machine, and the structure space of the gear cutting machine is reasonable, Device structure intensity and reliability are higher, and its processing efficiency and product quality are preferable.
In order to make those skilled in the art better understand the scheme of the utility model, with reference to the accompanying drawing and specific implementation The utility model is described in further detail for mode.
Fig. 1 and Fig. 2 are please referred to, Fig. 1 is gear cutting machine provided by a kind of specific embodiment of the utility model Schematic perspective view;Fig. 2 is the rear structure schematic diagram of Fig. 1.
In a specific embodiment, gear cutting machine provided by the utility model, including column 11 are set on column 11 It is equipped with gantry support 12 and slide unit 13, can be provided with along vertical axis fixed-axis rotation on slide unit 13 and pivot platform 131, pivots platform 131 middle part can be provided with to rotation the work spindle 132 being removably adapted to workpiece to be machined, the middle part of gantry support 12 Rotation and the machining spindle 121 being removably adapted to cutter or grinding wheel can be movably provided with along horizontal and vertical direction, The rotation axis of work spindle 132 and the rotation axis of machining spindle 121 are horizontally extending;Slide unit 13 is movably set Be placed on column 11, and slide unit 13 move horizontally direction and machining spindle 121 to move horizontally direction perpendicular.
In the course of work, workpiece is assemblied in work spindle 132 and cutter or grinding wheel are assemblied on machining spindle 121 Afterwards, control slide unit 13 moves to the appropriate position in the horizontal direction, while controlling machining spindle 121 along the rotation of machining spindle 121 The extending direction and vertical direction of axis move respectively, so that cutter or grinding wheel are contacted with workpiece to implement milling processing, add Work spindle 132 can be made moderately to rotate around the axis of vertical direction by pivoting the pivot of platform 131 during work.The Gear Processing Lathe will pivot the pivot structure of platform 131 and the integrated assembling of work spindle 132 due to using, so that in equipment running process, The relative position of the pivot axis and the components such as column 11 and work spindle 132 that pivot platform 131 is no longer limited to narrow restriction Region, the more wide in range freedom of selection of opposite rigging position, in fact, the position of the pivot axis of the pivot platform 131 can be with Front, rear portion even co-planar locations in the end face of work spindle 132, to effectively optimize lathe internal structure, and pivot It is no longer directly assembled between platform 131 and machining spindle 121, so that there is no because of machining spindle between pivot structure and machining spindle 121 Pivot assembly shakes caused by 121 high speed rotations, ensure that the pivot operational reliability for pivoting platform 131 and associated component;This Outside, compared with the prior art in relatively conventional rectangle column structure, the stress point of the gantry support structure used in the application Cloth is more reasonable, and stress is more stable, and constructive interference, Neng Gouxian are not present between gantry support 12 and the motion profile of slide unit 13 The effective shift motion for improving slide unit 13 is write, to make optional adapting position between work spindle 132 and machining spindle 121 more It is more, and then keep the workpiece of the gear cutting machine and the accessories adaptability such as cutter or grinding wheel stronger, processing efficiency and product Better quality.
Further, the first guide rail 111 is provided on column 11, slide unit 13 is movably arranged on the first guide rail 111, The extending direction of first guide rail 111 and slide unit 13 move horizontally that direction is consistent, and slide unit 13 moves horizontally direction and gantry The length direction of bracket 12 is consistent.First guide rail 111 structure parallel with the long side of gantry support 12 can further avoid Interference between 13 motion profile of 12 main structure of gantry support and slide unit, thus further extend slide unit 13 it is effective move away from From guaranteeing the processing efficiency and product quality of gear cutting machine.
Specifically, the second guide rail 122 extended along the vertical direction is provided on gantry support 12, it can on the second guide rail 122 Movably be provided with pedestal 124, be provided with sliding block 125 on pedestal 124 horizontally moveablely, and the moving direction of sliding block 125 with The rotation axis extending direction of machining spindle 121 is identical, and machining spindle 121 is specifically set on sliding block 125.Pass through the pedestal 124 and second guide rail 122 sliding adapter structure, ensure that the quick and precisely adjustment to 124 vertical position of pedestal, and then realize Quick accurate adjusting to 121 vertical position of machining spindle, to guarantee corresponding Workpiece Machining Accuracy and product quality.
More specifically, the rotation axis extending direction on pedestal 124 along machining spindle 121 is provided with third guide rail 123, it is sliding Have on block 125 and slides the guide groove 126 being adapted to third guide rail 123.Pass through the sliding between the guide groove 126 and third guide rail 123 Cooperation is realized and is adjusted to the position of sliding block 125 in the horizontal direction, and then realizes the axial horizontal position tune to machining spindle 121 It is whole, to meet work pieces process demand.
On the other hand, machining spindle 121 is any one of cutter spindle or grinding wheel spindle.It is used specific to practical set When, when the gear cutting machine by as gear grinding machines in use, can be set to grinding wheel spindle as machining spindle 121 in figure At position;When the gear cutting machine by as tooth milling machine in use, can be set to milling cutter as machining spindle 121 in figure At position, in principle, as long as the practical application that can satisfy the gear cutting machine needs.
Further, when machining spindle 121 is grinding wheel spindle, the side of work spindle 132 is provided with dresser 133.When needing to implement roll flute operation to the gear workpieces on work spindle 132, the dresser 133 can be opened to pass through The dresser 133 implements gear teeth grinding to respective gears, is used with guaranteeing that the toothing of gear can satisfy subsequent assembly It needs.
It should be pointed out that the gear cutting machine can carry out the structure of corresponding assembly according to different Gear Processing operating conditions Adjustment when needing to be ground gear, can regard dresser 133 as main Gear Processing group as described above Part;And when needing to carry out milling to gear, it can be using cutter or grinding wheel as main Gear Processing component, and according to flute profile And the cutter or grinding wheel of the different different sizes that can change the outfit of the dimensions of tooth, to meet actual processing needs.
The driving device (not shown) that platform 131 rotates is pivoted in addition, being provided with and can drive on slide unit 13.Equipment operation In the process, it is to pivot platform 131 to provide the driving force of steady and continuous by the driving device, can be realized with guaranteeing to pivot platform 131 It is corresponding to pivot adjustment, to meet corresponding Gear Processing demand.
In addition, above-mentioned driving device is and pivots that platform 131 is coaxial directly drives the torque motor (not shown) being adapted to.Due to Using the above-mentioned pivot structure that will pivot platform 131 and the integrated assembling of work spindle 132, so that pivoting the pivot axis of platform 131 The restriction of position is not will receive, so as to have sufficient space to arrange the torque motor coaxially directly driven, torque electricity The power output stability and high efficiency of machine, can sufficiently meet the product process requirements of the gear cutting machine, and significantly improve it Working performance and product quality.
Certainly, above-mentioned torque motor is only preferred embodiment, can also use worm and gear or gear drive in practical application Mechanism etc. is used as driving device, in principle, as long as being that by the pivot operation for pivoting platform 131 and guaranteeing the Gear Processing The actual operating mode of lathe.
In summary, workpiece in the course of work, is assemblied in workpiece by the gear cutting machine provided in the utility model Main shaft and after cutter or grinding wheel are assemblied on machining spindle, control slide unit moves to the appropriate position in the horizontal direction, same to time control Machining spindle processed moves respectively along the extending direction and vertical direction of the rotation axis of machining spindle, so that cutter or grinding wheel and work Part contact can make axis of the work spindle around vertical direction by pivoting the pivot of platform in process to implement milling processing Appropriateness rotation, to guarantee cutter or grinding wheel to the circumferential direction of workpiece and radial processing effect.The gear cutting machine is due to using The pivot structure of platform and the integrated assembling of work spindle will be pivoted, so that pivoting the pivot axis and machine of platform in equipment running process The relative position of the components such as column and work spindle is no longer limited to narrow limited area, and the selection of opposite rigging position is more Wide in range freedom to effectively optimize lathe internal structure, and is pivoted and is no longer directly assembled between platform and machining spindle, so that pivoting Pivot assembly shakes caused by being not present between structure and machining spindle because of machining spindle high speed rotation, ensure that and pivots platform and phase Close the pivot operational reliability of component;In addition, rectangle column structure relatively conventional in compared with the prior art, adopted in the application The stress distribution of gantry support structure is more reasonable, and stress is more stable, and between gantry support and the motion profile of slide unit There is no constructive interferences, can significantly improve effective shift motion of slide unit, thus make between work spindle and machining spindle can It selects adapting position more, and then keeps the workpiece of the gear cutting machine and the accessories adaptability such as cutter or grinding wheel stronger, add Work efficiency rate and product quality are more preferable.
Gear cutting machine provided by the utility model is described in detail above.It is used herein specifically a Example is expounded the principles of the present invention and embodiment, this reality that the above embodiments are only used to help understand With novel method and its core concept.It should be pointed out that for those skilled in the art, not departing from this Under the premise of utility model principle, several improvements and modifications can be made to this utility model, these improvement and modification are also fallen Enter in the protection scope of the utility model claims.

Claims (8)

1. a kind of gear cutting machine, it is characterised in that: including column, gantry support and slide unit, institute are provided on the column Pivot platform can be provided with along vertical axis fixed-axis rotation by stating on slide unit, the middle part for pivoting platform can be provided with to rotation and quilt The work spindle that workpieces processing is removably adapted to, the middle part of the gantry support rotation and can be moved along horizontal and vertical direction Be provided with the machining spindle being removably adapted to cutter or grinding wheel dynamicly, the machining spindle move horizontally direction and its from The extending direction of shaft axis is consistent, and the rotation axis of the rotation axis of the work spindle and the machining spindle is along level Direction extends;
The slide unit can be movably set on the column in the horizontal direction, and the slide unit move horizontally direction with it is described Machining spindle to move horizontally direction perpendicular.
2. gear cutting machine as described in claim 1, it is characterised in that: the first guide rail is provided on the column, it is described Slide unit is movably arranged on first guide rail, the extending direction of first guide rail and the side of moving horizontally of the slide unit To consistent, and the slide unit to move horizontally direction consistent with the length direction of the gantry support.
3. gear cutting machine as described in claim 1, it is characterised in that: be provided with along the vertical direction on the gantry support The second guide rail extended is movably disposed within pedestal on second guide rail, is provided with horizontally moveablely on the pedestal Sliding block, and the moving direction of the sliding block is identical as the rotation axis extending direction of the machining spindle, the machining spindle tool Body is set on the sliding block.
4. gear cutting machine as claimed in claim 3, it is characterised in that: along the rotation of the machining spindle on the pedestal Axis extending direction is provided with third guide rail, has on the sliding block and slides the guide groove being adapted to the third guide rail.
5. gear cutting machine as described in claim 1, it is characterised in that: the machining spindle is cutter spindle or grinding wheel master Any one of axis.
6. gear cutting machine as claimed in claim 5, it is characterised in that: when the machining spindle is grinding wheel spindle, institute The side for stating work spindle is provided with dresser.
7. gear cutting machine as described in claim 1, it is characterised in that: the pivot can be driven by being provided on the slide unit The driving device of platform rotation.
8. gear cutting machine as claimed in claim 7, it is characterised in that: the driving device is coaxial with the pivot platform The straight torque motor for driving adaptation.
CN201820995082.1U 2018-06-26 2018-06-26 A kind of gear cutting machine Active CN208408757U (en)

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CN201820995082.1U CN208408757U (en) 2018-06-26 2018-06-26 A kind of gear cutting machine

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108555399A (en) * 2018-06-26 2018-09-21 湖南中大创远数控装备有限公司 A kind of gear cutting machine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108555399A (en) * 2018-06-26 2018-09-21 湖南中大创远数控装备有限公司 A kind of gear cutting machine

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