CN109514009A - Helical gears gear hobbing roll flute is integrally machined equipment - Google Patents

Helical gears gear hobbing roll flute is integrally machined equipment Download PDF

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Publication number
CN109514009A
CN109514009A CN201811588292.XA CN201811588292A CN109514009A CN 109514009 A CN109514009 A CN 109514009A CN 201811588292 A CN201811588292 A CN 201811588292A CN 109514009 A CN109514009 A CN 109514009A
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CN
China
Prior art keywords
gear
hobbing
roll flute
integrally machined
machined equipment
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.)
Granted
Application number
CN201811588292.XA
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Chinese (zh)
Other versions
CN109514009B (en
Inventor
吴晓冬
朱湘敏
陈福明
曾佑红
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.)
Jiangxi Fg New Energy Transmission Technology Co Ltd
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Jiangxi Fg New Energy Transmission Technology Co Ltd
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Publication date
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Priority to CN201811588292.XA priority Critical patent/CN109514009B/en
Publication of CN109514009A publication Critical patent/CN109514009A/en
Application granted granted Critical
Publication of CN109514009B publication Critical patent/CN109514009B/en
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Classifications

    • 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
    • B23F5/20Making 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 milling
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23FMAKING GEARS OR TOOTHED RACKS
    • B23F19/00Finishing gear teeth by other tools than those used for manufacturing gear teeth
    • B23F19/02Lapping gear teeth
    • 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
    • B23F23/02Loading, unloading or chucking arrangements for workpieces
    • B23F23/06Chucking arrangements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q1/00Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
    • B23Q1/25Movable or adjustable work or tool supports
    • B23Q1/26Movable or adjustable work or tool supports characterised by constructional features relating to the co-operation of relatively movable members; Means for preventing relative movement of such members
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q5/00Driving or feeding mechanisms; Control arrangements therefor
    • B23Q5/22Feeding members carrying tools or work
    • B23Q5/34Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Gear Processing (AREA)

Abstract

The present invention relates to Gear Processing field, discloses a kind of helical gears gear hobbing roll flute and be integrally machined equipment, comprising: hobbing device, the hobbing device include hobboing cutter and hob head;Gear grinding device, the gear grinding device include grinding wheel worm screw and worm seat, and the screw pitch of the grinding wheel worm screw is equal to the screw pitch of the hobboing cutter, and the precession direction of the helix of the grinding wheel worm screw and the precession direction of the helix of the hobboing cutter are identical;Commutate linkage, and the commutation linkage includes the first semiaxis, the second semiaxis and commutator.The present invention carries out gear hobbing process by setting hobbing device, to workpiece, forms the gear teeth;By the way that gear grinding device is arranged, so that carrying out roll flute processing to gear while gear hobbing process, secondary clamping is not needed, work efficiency is high;Reduce process time so that hobbing device is synchronous with gear grinding device, rotates backward by setting commutation linkage, and improves the processing quality of gear.

Description

Helical gears gear hobbing roll flute is integrally machined equipment
Technical field
The present invention relates to Gear Processing fields, are integrally machined and set more particularly to a kind of helical gears gear hobbing roll flute It is standby.
Background technique
Gear-hobbing machine is most widely used a kind of lathe in gear cutting machine, the machinable straight tooth column tooth on gear-hobbing machine Wheel, helical gears etc..Gear grinding machines are using grinding wheel as finishing roller gear or certain gears (helical gear, cone tooth Wheel etc.) gear cutting machine of the process tool flank of tooth, deformation after being mainly used for eliminating heat treatment and improves the accuracy of gear.
Helical gears are important a kind of gear-types in mechanical gear, have meshing performance is good, registration is big, Compact-sized advantage, is widely used in mechanical transmission fields.
However, machine to obtain the tooth form of gear part by gear hobbing, toward contact to be finished using gear grinding machines with The every error for correcting gear, due to needing to carry out clamping, positioning and processing again to gear, in the processing of helical gears There is a problem of that process velocity is slow, machining accuracy is low in the process.
Summary of the invention
The object of the present invention is to provide a kind of helical gears gear hobbing roll flutes to be integrally machined equipment, to solve roller gear The problems such as process velocity is slow in process, machining accuracy is low.
To achieve the goals above, the present invention provides a kind of helical gears gear hobbing roll flute and is integrally machined equipment, comprising:
Hobbing device, the hobbing device include hobboing cutter and hob head, and one end of the hob head is formed with hobboing cutter support, The hobboing cutter is mounted on the hob head by the hobboing cutter support, and the other end of the hobbing device is equipped with for driving The hob head gear of the hob head rotation;
Gear grinding device, the gear grinding device include grinding wheel worm screw and worm seat, and the screw pitch of the grinding wheel worm screw is equal to described The screw pitch of hobboing cutter, the precession direction of the helix of the grinding wheel worm screw and the precession direction of the helix of the hobboing cutter are identical, institute The one end for stating worm seat is formed with worm bearing, and the grinding wheel worm screw is mounted on the worm seat by the worm bearing, The other end of the worm seat is equipped with the worm seat gear for driving the worm seat rotation;
Commutate linkage, and the commutation linkage includes the first semiaxis, the second semiaxis and commutator, and described the first half One end of axis is equipped with the first gear that cooperates with the hob head gear, and the other end is connect with the commutator, and described the second half One end of axis is equipped with the second gear cooperated with the worm seat gear, and the other end is connect with the commutator;
Rack, the hobbing device and the gear grinding device are mounted on the rack, the commutator and the rack It is fixedly connected.
Preferably, the commutator includes the first axle shaft gear, the second axle shaft gear, tumbler gear and commutator shell, The tumbler gear is rotatably arranged on the commutator shell, in first axle shaft gear and second axle shaft gear Each engaged with the tumbler gear, first semiaxis is connect with first axle shaft gear, second semiaxis It is connect with second axle shaft gear, the commutator shell is fixedly connected with the rack.
Preferably, it further includes first longitudinal direction feed arrangement and that the helical gears gear hobbing roll flute, which is integrally machined equipment, Two longitudinal feeding devices, the hobbing device are mounted on a set of first longitudinal direction feed arrangement, the gear grinding device installation On second longitudinal direction feed arrangement, each of the first longitudinal direction feed arrangement and the second longitudinal direction feed arrangement and institute Rack is stated to be fixedly connected.
Preferably, it further includes hob head driving device that the helical gears gear hobbing roll flute, which is integrally machined equipment, described Hob head driving device and the hob head gear cooperate to drive the hob head to rotate.
Preferably, it further includes control device that the helical gears gear hobbing roll flute, which is integrally machined equipment, the control dress It sets and is electrically connected with the first longitudinal direction feed arrangement, the second longitudinal direction feed arrangement and the hob head driving device.
Preferably, it further includes cross feed device and work that the helical gears gear hobbing roll flute, which is integrally machined equipment, Platform, the workbench are mounted on the rack by the cross feed device.
Preferably, rotating device is installed on the workbench, so that work gear to be added can be in hobbing process in institute It states and is rotated on workbench.
Preferably, it further includes clamping device that the helical gears gear hobbing roll flute, which is integrally machined equipment, the clamping dress It sets including support frame and clamping head, the clamping head is movably arranged on support frame as described above along the first preset direction, wherein institute It states clamping head and rotating device cooperates.
Preferably, the transmission ratio of the hob head gear and the first gear is equal to the worm seat gear and described the The transmission ratio of two gears.
Preferably, the hobbing device and the gear grinding device are arranged at interval along the second preset direction.
Through the above technical solutions, helical gears gear hobbing roll flute of the invention, which is integrally machined equipment, passes through setting gear hobbing Device carries out gear hobbing process to workpiece, forms the gear teeth;By setting gear grinding device, cooperated using grinding wheel worm screw with the gear teeth, So that carrying out roll flute processing to gear while gear hobbing process, secondary clamping is not needed, work efficiency is high;It is commutated by setting Linkage, so that hobbing device is synchronous with gear grinding device, rotates backward, hobboing cutter works at the same time with grinding wheel worm screw, is non-interference, Reduce process time, and improves the processing quality of gear.
Detailed description of the invention
Fig. 1 is the main view that helical gears gear hobbing roll flute according to an embodiment of the present invention is integrally machined equipment Figure;
Fig. 2 is the vertical view that helical gears gear hobbing roll flute according to an embodiment of the present invention is integrally machined equipment Figure;
Fig. 3 is the wheel train structure schematic diagram of commutation linkage in Fig. 1;
Fig. 4 is the structural schematic diagram of clamping device in Fig. 1.
Description of symbols
1 hobbing device, 2 gear grinding device
3 commutation 4 racks of linkage
5a first longitudinal direction feed arrangement 5b second longitudinal direction feed arrangement
6 cross feed device, 7 workbench
8 rotating device, 9 clamping device
10 control device, 11 hob head
12 hob head gear, 21 worm seat
22 worm seat gear, 31 first semiaxis
32 second semiaxis, 33 commutator
91 support frame, 92 clamping head
311 first gear, 321 second gear
331 first axle shaft gear, 332 second axle shaft gear
333 tumbler gear, 334 commutator shell
Specific embodiment
Below in conjunction with attached drawing, detailed description of the preferred embodiments.It should be understood that this place is retouched The specific embodiment stated is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
In the present invention, in the absence of explanation to the contrary, the noun of locality used such as " upper and lower ", which refers to, to be installed and used It is upper and lower under state;" inside and outside " typically refers to relative to the inside and outside of each component profile itself.
The present invention provides a kind of helical gears gear hobbing roll flute and is integrally machined equipment, as shown in Figures 1 to 4, comprising:
Hobbing device 1, the hobbing device 1 include hobboing cutter and hob head 11, and one end of the hob head 11 is formed with rolling Knife support, the hobboing cutter are mounted on the hob head 11 by the hobboing cutter support, the other end installation of the hobbing device 1 There is the hob head gear 12 for driving the hob head 11 to rotate;
Gear grinding device 2, the gear grinding device 2 include grinding wheel worm screw and worm seat 21, and the screw pitch of the grinding wheel worm screw is equal to The screw pitch of the hobboing cutter, the precession direction of the helix of the grinding wheel worm screw and the precession direction phase of the helix of the hobboing cutter Together, one end of the worm seat 21 is formed with worm bearing, and the grinding wheel worm screw is mounted on the snail by the worm bearing On pole socket 21, the other end of the worm seat 21 is equipped with the worm seat gear 22 for driving the worm seat 21 to rotate;
Commutate linkage 3, and the commutation linkage 3 includes the first semiaxis 31, the second semiaxis 32 and commutator 33, institute The one end for stating the first semiaxis 31 is equipped with the first gear 311 cooperated with the hob head gear 12, the other end and the commutator 33 connections, one end of second semiaxis 32 are equipped with the second gear 321 cooperated with the worm seat gear 22, the other end and institute State the connection of commutator 33;
Rack 4, the hobbing device 1 and the gear grinding device 2 are mounted in the rack 4, the commutator 33 and institute Rack 4 is stated to be fixedly connected.
Helical gears gear hobbing roll flute of the invention is integrally machined equipment by setting hobbing device 1, carries out to workpiece Gear hobbing process forms the gear teeth;By the way that gear grinding device 2 is arranged, cooperated using grinding wheel worm screw with the gear teeth, so that in gear hobbing process While to gear carry out roll flute processing, do not need secondary clamping, work efficiency is high;By setting commutation linkage 3, so that Hobbing device 1 is synchronous with gear grinding device 2, rotates backward, and hobboing cutter works at the same time with grinding wheel worm screw, is non-interference, reduces processing Time, and improve the processing quality of gear.
Among the above, the screw pitch of grinding wheel worm screw is equal to the screw pitch of hobboing cutter so that grinding wheel worm screw and when hobboing cutter constant velocity rotation with Identical speed drives gear rotation to be processed;The precession direction of the helix of worm screw and helix in hobboing cutter in grinding wheel worm screw Precession direction is identical, and grinding wheel worm screw is engaged with work gear to be added simultaneously with hobboing cutter.
Hobbing device 1 is synchronous with gear grinding device 2, rotates backward in order to make, and a kind of embodiment according to the present invention is described Commutator 33 includes the first axle shaft gear 331, the second axle shaft gear 332, tumbler gear 333 and commutator shell 334, described to change It is rotatably arranged on the commutator shell 334 to gear 333, first axle shaft gear 331 and second half axle gear Each of wheel 332 is engaged with the tumbler gear 333, and first semiaxis 31 connects with first axle shaft gear 331 It connects, second semiaxis 32 is connect with second axle shaft gear 332, the commutator shell 334 and the fixed company of the rack 4 It connects.Such setting so that first semiaxis 31 is identical with the velocity of rotation of second semiaxis 32, rotation direction on the contrary, from And it realizes that hobbing device 1 is synchronous with gear grinding device 2, rotate backward.
In order to drive hobbing device 1 along the axial movement of workpiece to be processed, a kind of embodiment according to the present invention is described It further includes first longitudinal direction feed arrangement 5a and second longitudinal direction feed arrangement 5b that helical gears gear hobbing roll flute, which is integrally machined equipment, The hobbing device 1 is mounted on a set of first longitudinal direction feed arrangement 5a, the gear grinding device 2 be mounted on second longitudinal direction into To on device 5b, each of the first longitudinal direction feed arrangement 5a and the second longitudinal direction feed arrangement 5b and the rack 4 are fixedly connected.
In order to drive rotation and the hob head 11 of the hobboing cutter and the grinding wheel worm screw to rotate, one kind according to the present invention Embodiment, it further includes hob head driving device, the hob head that the helical gears gear hobbing roll flute, which is integrally machined equipment, Driving device and the hob head gear 12 cooperate to drive the hob head 11 to rotate.It further include hobboing cutter driving in the present invention Device and grinding wheel worm drive, the hobboing cutter driving device and the hobboing cutter cooperate the rotation to drive the hobboing cutter, institute Grinding wheel worm drive and grinding wheel worm screw cooperation are stated to drive the rotation of the grinding wheel worm screw.
In order to control the movement of longitudinal feeding device 5 and driving device, a kind of embodiment according to the present invention is described oblique It further includes control device 10 that tooth roller gear gear hobbing roll flute, which is integrally machined equipment, the control device 10 and the first longitudinal direction into It is electrically connected to device 5a, the second longitudinal direction feed arrangement 5b and the hob head driving device.
In order to facilitate the placement and taking-up of workpiece, a kind of embodiment according to the present invention, the helical gears rolling It further includes cross feed device 6 and workbench 7 that tooth roll flute, which is integrally machined equipment, and the workbench 7 is filled by the traverse feed 6 are set to be mounted in the rack 4.
Among the above, in order to enable workpiece being rotated by hobboing cutter, a kind of embodiment according to the present invention is described Rotating device 8 is installed, so that work gear to be added can rotate on the workbench 7 in hobbing process on workbench 7.
In order to keep workpiece held stationary, a kind of embodiment according to the present invention, helical teeth Cylinder Gear in rotation It further includes clamping device 9 that wheel gear hobbing roll flute, which is integrally machined equipment, and the clamping device 9 includes support frame 91 and clamping head 92, institute It states clamping head 92 to be movably arranged on support frame as described above 91 along the first preset direction, wherein the clamping head 92 and rotating device 8 cooperations.Wherein, the first preset direction is axial consistent with work gear to be added
In order to keep hobbing device 1 consistent with the rotational angle of gear grinding device 2, a kind of embodiment according to the present invention, institute The transmission ratio for stating hob head gear 12 and the first gear 311 is equal to the worm seat gear 22 and the second gear 321 Transmission ratio.
In order to avoid hobbing device 1 and gear grinding device 2 interfere in work process, a kind of implementation according to the present invention Mode, the hobbing device 1 and the gear grinding device 2 are arranged at interval along the second preset direction.Wherein, described second is default Direction is radially consistent with work gear to be added.
When being integrally machined equipment using the helical gears gear hobbing roll flute, workpiece to be processed is placed on workbench 7 On, workbench 7 is moved between hobbing device 1 and gear grinding device 2 using cross feed device 6, using clamping device 9 by work Part steps up, and controls longitudinal feeding device 5 using control device 10 and hobbing device 1 and gear grinding device 2 is driven to move to above workpiece, Driving device drives hob head 11 to rotate, and while hob head 11 rotates, hob head gear 12 drives first gear 311 to rotate, To drive the rotation of the first semiaxis 31, the first axle shaft gear 331 drives the second axle shaft gear 332 by tumbler gear 333, thus The second semiaxis 32 is driven to rotate, the second semiaxis 32 drives second gear 321 to rotate, so that worm seat gear 22 is driven to rotate, band Dynamic worm seat 21 rotates, to make that hob head 11 and worm seat 21 are reversed, angularly rotate, after reaching designated position, hobboing cutter with The rotation of grinding wheel worm screw carries out gear hobbing to gear, roll flute is processed, and in process, first longitudinal direction feed arrangement 5a drives gear hobbing dress 1 is set along workpiece axial downward movement, second longitudinal direction feed arrangement 5b drives gear grinding device 2 along workpiece axial downward movement, until Helical gears complete the process.
The preferred embodiment of the present invention has been described above in detail, still, during present invention is not limited to the embodiments described above Detail within the scope of the technical concept of the present invention can be with various simple variants of the technical solution of the present invention are made, this A little simple variants all belong to the scope of protection of the present invention.
It is further to note that specific technical features described in the above specific embodiments, in not lance In the case where shield, it can be combined in any appropriate way.In order to avoid unnecessary repetition, the present invention to it is various can No further explanation will be given for the combination of energy.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally The thought of invention, it should also be regarded as the disclosure of the present invention.

Claims (10)

1. a kind of helical gears gear hobbing roll flute is integrally machined equipment characterized by comprising
Hobbing device (1), the hobbing device (1) include hobboing cutter and hob head (11), and one end of the hob head (11) is formed Have hobboing cutter support, the hobboing cutter is mounted on the hob head (11) by the hobboing cutter support, the hobbing device (1) it is another One end is equipped with the hob head gear (12) for driving the hob head (11) to rotate;
Gear grinding device (2), the gear grinding device (2) include grinding wheel worm screw and worm seat (21), the screw pitch etc. of the grinding wheel worm screw In the screw pitch of the hobboing cutter, the precession direction of the helix of the grinding wheel worm screw and the precession direction phase of the helix of the hobboing cutter Together, one end of the worm seat (21) is formed with worm bearing, and the grinding wheel worm screw is mounted on described by the worm bearing On worm seat (21), the other end of the worm seat (21) is equipped with the worm seat tooth for driving the worm seat (21) to rotate It takes turns (22);
It commutates linkage (3), the commutation linkage (3) includes the first semiaxis (31), the second semiaxis (32) and commutator (33), one end of first semiaxis (31) is equipped with the first gear (311) that cooperates with the hob head gear (12), and described the The other end of one semiaxis (31) is connect with the commutator (33), and one end of second semiaxis (32) is equipped with and the worm seat The second gear (321) of gear (22) cooperation, the other end of second semiaxis (32) are connect with the commutator (33);
Rack (4), the hobbing device (1) and the gear grinding device (2) are mounted on the rack (4), the commutator (33) it is fixedly connected with the rack (4).
2. helical gears gear hobbing roll flute according to claim 1 is integrally machined equipment, which is characterized in that the commutation Device (33) includes the first axle shaft gear (331), the second axle shaft gear (332), tumbler gear (333) and commutator shell (334), The tumbler gear (333) is rotatably arranged on the commutator shell (334), first axle shaft gear (331) and institute Each of second axle shaft gear (332) is stated to engage with the tumbler gear (333), first semiaxis (31) with it is described First axle shaft gear (331) connection, second semiaxis (32) connect with second axle shaft gear (332), the commutator Shell (334) is fixedly connected with the rack (4).
3. helical gears gear hobbing roll flute according to claim 1 is integrally machined equipment, which is characterized in that the helical teeth It further includes first longitudinal direction feed arrangement (5a) and second longitudinal direction feed arrangement (5b) that roller gear gear hobbing roll flute, which is integrally machined equipment, The hobbing device (1) is mounted on the first longitudinal direction feed arrangement (5a), and the gear grinding device (2) is mounted on second longitudinal direction On feed arrangement (5b), each of the first longitudinal direction feed arrangement (5a) and the second longitudinal direction feed arrangement (5b) with The rack (4) is fixedly connected.
4. helical gears gear hobbing roll flute according to claim 3 is integrally machined equipment, which is characterized in that the helical teeth It further includes hob head driving device that roller gear gear hobbing roll flute, which is integrally machined equipment, the hob head driving device and the hobboing cutter Seat gear (12) cooperates to drive the hob head (11) to rotate.
5. helical gears gear hobbing roll flute according to claim 4 is integrally machined equipment, which is characterized in that the helical teeth It further includes control device (10) that roller gear gear hobbing roll flute, which is integrally machined equipment, the control device (10) and the first longitudinal direction Feed arrangement (5a), the second longitudinal direction feed arrangement (5b) and hob head driving device electrical connection.
6. helical gears gear hobbing roll flute according to claim 1 is integrally machined equipment, which is characterized in that the helical teeth It further includes cross feed device (6) and workbench (7) that roller gear gear hobbing roll flute, which is integrally machined equipment, and the workbench (7) is logical The cross feed device (6) is crossed to be mounted on the rack (4).
7. helical gears gear hobbing roll flute according to claim 6 is integrally machined equipment, which is characterized in that the work Rotating device (8) are installed, so that work gear to be added can rotate on the workbench (7) in hobbing process on platform (7).
8. helical gears gear hobbing roll flute according to claim 7 is integrally machined equipment, which is characterized in that the helical teeth It further includes clamping device (9) that roller gear gear hobbing roll flute, which is integrally machined equipment, the clamping device (9) include support frame (91) and Clamping head (92), the clamping head (92) are movably arranged on support frame as described above (91) along the first preset direction, wherein described Clamping head (92) and rotating device (8) cooperate.
9. helical gears gear hobbing roll flute according to claim 1 is integrally machined equipment, which is characterized in that the hobboing cutter The transmission ratio of seat gear (12) and the first gear (311) is equal to the worm seat gear (22) and the second gear (321) transmission ratio.
10. helical gears gear hobbing roll flute as claimed in any of claims 1 to 9 is integrally machined equipment, special Sign is that the hobbing device (1) and the gear grinding device (2) are arranged at interval along the second preset direction.
CN201811588292.XA 2018-12-25 2018-12-25 Helical gear hobbing and grinding integrated processing equipment Active CN109514009B (en)

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CN109514009B CN109514009B (en) 2024-05-17

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