CN109514009B - Helical gear hobbing and grinding integrated processing equipment - Google Patents
Helical gear hobbing and grinding integrated processing equipment Download PDFInfo
- Publication number
- CN109514009B CN109514009B CN201811588292.XA CN201811588292A CN109514009B CN 109514009 B CN109514009 B CN 109514009B CN 201811588292 A CN201811588292 A CN 201811588292A CN 109514009 B CN109514009 B CN 109514009B
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- Prior art keywords
- gear
- hobbing
- seat
- hob
- grinding
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- 238000003754 machining Methods 0.000 abstract description 23
- 238000000034 method Methods 0.000 abstract description 4
- 230000001360 synchronised effect Effects 0.000 abstract description 4
- 229910001651 emery Inorganic materials 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23F—MAKING GEARS OR TOOTHED RACKS
- B23F5/00—Making 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
- B23F5/20—Making 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23F—MAKING GEARS OR TOOTHED RACKS
- B23F19/00—Finishing gear teeth by other tools than those used for manufacturing gear teeth
- B23F19/02—Lapping gear teeth
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23F—MAKING GEARS OR TOOTHED RACKS
- B23F23/00—Accessories or equipment combined with or arranged in, or specially designed to form part of, gear-cutting machines
- B23F23/02—Loading, unloading or chucking arrangements for workpieces
- B23F23/06—Chucking arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, 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
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/25—Movable or adjustable work or tool supports
- B23Q1/26—Movable 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, 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
- B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
- B23Q5/22—Feeding members carrying tools or work
- B23Q5/34—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gear Processing (AREA)
Abstract
The invention relates to the field of gear machining, and discloses a helical gear hobbing and grinding integrated machining device, which comprises: the gear hobbing device comprises a hob and a hob seat; the gear grinding device comprises a grinding wheel worm and a worm seat, the pitch of the grinding wheel worm is equal to that of the hob, and the precession direction of the spiral line of the grinding wheel worm is the same as that of the spiral line of the hob; the reversing linkage device comprises a first half shaft, a second half shaft and a reverser. The gear hobbing device is arranged to hobbing the workpiece to form gear teeth; by arranging the gear grinding device, the gear is subjected to gear grinding while the gear is subjected to gear hobbing, secondary clamping is not needed, and the working efficiency is high; through setting up switching-over aggregate unit for gear hobbing device and gear grinding device synchronous, reverse rotation has reduced process time, and has improved the processingquality of gear.
Description
Technical Field
The invention relates to the field of gear machining, in particular to a helical gear hobbing and grinding integrated machining device.
Background
The gear hobbing machine is the most widely used machine tool in gear machining machine tools, and can cut straight-tooth cylindrical gears, helical-tooth cylindrical gears and the like. The gear grinding machine is a gear processing machine tool for processing cylindrical gears or processing tooth surfaces of cutting tools of certain gears (helical gears, bevel gears and the like) by using a grinding wheel as a grinding tool, and is mainly used for eliminating deformation after heat treatment and improving gear precision.
The helical gear is an important gear type in mechanical gears, has the advantages of good meshing performance, large contact ratio and compact structure, and is widely applied to the field of mechanical transmission.
However, the gear shape of the gear part is obtained through gear hobbing, and the gear hobbing machine is often used for finish machining to correct various errors of the gear, and the gear needs to be clamped, positioned and machined again, so that the problems of low machining speed and low machining precision exist in the machining process of the helical gear.
Disclosure of Invention
The invention aims to provide gear hobbing and grinding integrated machining equipment for a helical gear, which aims to solve the problems of low machining speed, low machining precision and the like in the machining process of the helical gear.
In order to achieve the above object, the present invention provides a helical gear hobbing and gear grinding integrated processing apparatus, comprising:
The gear hobbing device comprises a hob and a hob seat, one end of the hob seat is provided with a hob seat, the hob is arranged on the hob seat through the hob seat, and the other end of the gear hobbing device is provided with a hob seat gear for driving the hob seat to rotate;
The gear grinding device comprises a grinding wheel worm and a worm seat, the pitch of the grinding wheel worm is equal to that of the hob, the precession direction of the spiral line of the grinding wheel worm is the same as that of the spiral line of the hob, one end of the worm seat is provided with a worm support, the grinding wheel worm is arranged on the worm seat through the worm support, and the other end of the worm seat is provided with a worm seat gear for driving the worm seat to rotate;
The reversing linkage device comprises a first half shaft, a second half shaft and a reverser, wherein one end of the first half shaft is provided with a first gear matched with the gear of the hob seat, the other end of the first half shaft is connected with the reverser, one end of the second half shaft is provided with a second gear matched with the gear of the worm seat, and the other end of the second half shaft is connected with the reverser;
the rack, the gear hobbing device with the gear grinding device is installed in the frame, the commutator with frame fixed connection.
Preferably, the commutator comprises a first half shaft gear, a second half shaft gear, a reversing gear and a commutator housing, wherein the reversing gear is rotatably arranged on the commutator housing, each of the first half shaft gear and the second half shaft gear is meshed with the reversing gear, the first half shaft is connected with the first half shaft gear, the second half shaft is connected with the second half shaft gear, and the commutator housing is fixedly connected with the frame.
Preferably, the helical gear hobbing and gear grinding integrated processing device further comprises a first longitudinal feeding device and a second longitudinal feeding device, wherein the hobbing device is arranged on one set of the first longitudinal feeding device, the gear grinding device is arranged on the second longitudinal feeding device, and each of the first longitudinal feeding device and the second longitudinal feeding device is fixedly connected with the frame.
Preferably, the helical gear hobbing and grinding integrated processing device further comprises a hobbing seat driving device, and the hobbing seat driving device is matched with the hobbing seat gear to drive the hobbing seat to rotate.
Preferably, the helical gear hobbing and grinding integrated processing device further comprises a control device, and the control device is electrically connected with the first longitudinal feeding device, the second longitudinal feeding device and the hob seat driving device.
Preferably, the helical gear hobbing and grinding integrated processing device further comprises a transverse feeding device and a workbench, wherein the workbench is mounted on the rack through the transverse feeding device.
Preferably, the table is provided with a rotation device to enable the gear to be processed to rotate on the table during the hobbing process.
Preferably, the helical gear hobbing and grinding integrated processing device further comprises a clamping device, wherein the clamping device comprises a supporting frame and a clamping head, the clamping head is movably arranged on the supporting frame along a first preset direction, and the clamping head is matched with the rotating device.
Preferably, the gear ratio of the hob seat gear to the first gear is equal to the gear ratio of the worm seat gear to the second gear.
Preferably, the hobbing means and the grinding means are arranged at a distance along a second predetermined direction.
By the technical scheme, the gear hobbing and grinding integrated machining equipment for the helical gear performs gear hobbing on a workpiece to form gear teeth by arranging the gear hobbing device; by arranging the gear grinding device, the gear grinding device utilizes the grinding wheel worm to be matched with the gear teeth, so that the gear is subjected to gear grinding during gear hobbing, secondary clamping is not needed, and the working efficiency is high; through setting up switching-over aggregate unit for gear hobbing device and gear grinding device synchronous, reverse rotation, hobbing cutter and emery wheel worm simultaneous working, mutually noninterfere, reduced process time, and improved the processingquality of gear.
Drawings
FIG. 1 is a front view of a helical gear hobbing and grinding integrated machining apparatus according to one embodiment of the present invention;
FIG. 2 is a top view of a helical gear hobbing and grinding integrated machining apparatus according to one embodiment of the present invention;
FIG. 3 is a schematic diagram of the train configuration of the reversing linkage of FIG. 1;
Fig. 4 is a schematic view of the structure of the clamping device in fig. 1.
Description of the reference numerals
Detailed Description
The following describes specific embodiments of the present invention in detail with reference to the drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the invention, are not intended to limit the invention.
In the present invention, unless otherwise stated, the use of azimuth words such as "upper and lower" means upper and lower in the installed state of use; "inner and outer" generally refer to the inner and outer relative to the contour of the components themselves.
The present invention provides a helical gear hobbing and grinding integrated processing device, as shown in fig. 1 to 4, comprising:
The gear hobbing device 1 comprises a hob and a hob seat 11, wherein a hob seat is formed at one end of the hob seat 11, the hob is installed on the hob seat 11 through the hob seat, and a hob seat gear 12 for driving the hob seat 11 to rotate is installed at the other end of the gear hobbing device 1;
the gear grinding device 2 comprises a grinding wheel worm and a worm seat 21, the pitch of the grinding wheel worm is equal to that of the hob, the precession direction of a spiral line of the grinding wheel worm is the same as that of the spiral line of the hob, a worm support is formed at one end of the worm seat 21, the grinding wheel worm is mounted on the worm seat 21 through the worm support, and a worm seat gear 22 for driving the worm seat 21 to rotate is mounted at the other end of the worm seat 21;
The reversing linkage device 3 comprises a first half shaft 31, a second half shaft 32 and a reverser 33, wherein one end of the first half shaft 31 is provided with a first gear 311 matched with the hob seat gear 12, the other end of the first half shaft is connected with the reverser 33, one end of the second half shaft 32 is provided with a second gear 321 matched with the worm seat gear 22, and the other end of the second half shaft 32 is connected with the reverser 33;
the rack 4, the gear hobbing device 1 and the gear grinding device 2 are installed on the rack 4, and the reverser 33 is fixedly connected with the rack 4.
The gear hobbing and grinding integrated processing equipment for the helical gear performs gear hobbing processing on a workpiece to form gear teeth by arranging the gear hobbing device 1; by arranging the gear grinding device 2, the gear grinding is carried out by utilizing the cooperation of the grinding wheel worm and the gear teeth, so that the gear is subjected to gear grinding while the gear hobbing is carried out, secondary clamping is not needed, and the working efficiency is high; through setting up switching-over aggregate unit 3 for gear hobbing device 1 and gear grinding device 2 synchronous, reverse rotation, hobbing cutter and emery wheel worm simultaneous working, mutually noninterfere, reduced process time, and improved the processingquality of gear.
The pitch of the grinding wheel worm is equal to that of the hob, so that the grinding wheel worm and the hob rotate at the same speed when rotating at the same speed to drive the gear to be processed; the precession direction of the spiral line of the worm in the grinding wheel worm is the same as that of the spiral line in the hob, so that the grinding wheel worm and the hob can be meshed with a gear to be processed at the same time.
In order to synchronize and reversely rotate the gear hobbing device 1 and the gear grinding device 2, according to one embodiment of the present invention, the commutator 33 includes a first half shaft gear 331, a second half shaft gear 332, a reversing gear 333, and a commutator housing 334, the reversing gear 333 is rotatably provided on the commutator housing 334, each of the first half shaft gear 331 and the second half shaft gear 332 is engaged with the reversing gear 333, the first half shaft 31 is connected with the first half shaft gear 331, the second half shaft 32 is connected with the second half shaft gear 332, and the commutator housing 334 is fixedly connected with the frame 4. The arrangement is such that the rotational speeds of the first half shaft 31 and the second half shaft 32 are the same and the rotational directions are opposite, thereby achieving a synchronous, counter-rotation of the gear hobbing device 1 and the gear grinding device 2.
In order to drive the gear hobbing device 1 to move along the axial direction of a workpiece to be machined, according to one embodiment of the invention, the gear hobbing and grinding integrated machining device for helical gears further comprises a first longitudinal feeding device 5a and a second longitudinal feeding device 5b, the gear hobbing device 1 is mounted on one set of the first longitudinal feeding devices 5a, the gear grinding device 2 is mounted on the second longitudinal feeding device 5b, and each of the first longitudinal feeding device 5a and the second longitudinal feeding device 5b is fixedly connected with the frame 4.
In order to drive the rotation of the hob and the grinding wheel worm and the rotation of the hob seat 11, according to one embodiment of the present invention, the helical gear hob grinding integrated machining apparatus further comprises a hob seat driving device, which cooperates with the hob seat gear 12 to drive the rotation of the hob seat 11. The invention further comprises a hob driving device and a grinding wheel worm driving device, wherein the hob driving device is matched with the hob to drive the hob to rotate, and the grinding wheel worm driving device is matched with the grinding wheel worm to drive the grinding wheel worm to rotate.
In order to control the movement of the longitudinal feed means 5 and the drive means, according to one embodiment of the invention, the helical spur gear hobbing and gear grinding integrated machining apparatus further comprises a control means 10, said control means 10 being electrically connected to said first longitudinal feed means 5a, said second longitudinal feed means 5b and said hob's drive means.
In order to facilitate the placement and removal of the workpiece, according to one embodiment of the invention, the helical gear hobbing and grinding integrated machining apparatus further comprises a infeed device 6 and a table 7, said table 7 being mounted on said frame 4 by means of said infeed device 6.
In the above, in order to enable the workpiece to rotate under the driving of the hob, according to one embodiment of the present invention, the table 7 is provided with a rotating device 8 to enable the gear to be machined to rotate on the table 7 during the hob.
In order to keep the workpiece stationary during rotation, according to one embodiment of the invention, the helical gear hobbing and grinding integrated machining apparatus further comprises a clamping device 9, the clamping device 9 comprising a support frame 91 and a clamping head 92, the clamping head 92 being movably arranged on the support frame 91 in a first preset direction, wherein the clamping head 92 cooperates with the rotation device 8. The first preset direction is consistent with the axial direction of the gear to be processed.
In order to match the rotation angle of the hob 1 and the grinding 2, according to one embodiment of the invention, the gear ratio of the hob base gear 12 to the first gear 311 is equal to the gear ratio of the worm base gear 22 to the second gear 321.
In order to avoid interference of the gear hobbing device 1 and the gear grinding device 2 during working, according to one embodiment of the invention the gear hobbing device 1 and the gear grinding device 2 are arranged at a distance in a second predetermined direction. The second preset direction is consistent with the radial direction of the gear to be processed.
When the helical gear hobbing and grinding integrated machining equipment is used, a workpiece to be machined is placed on a workbench 7, the workbench 7 is moved between a hobbing device 1 and a grinding device 2 by utilizing a transverse feeding device 6, the workpiece is clamped by utilizing a clamping device 9, a control device 10 is used for controlling a longitudinal feeding device 5 to drive the hobbing device 1 and the grinding device 2 to move above the workpiece, a driving device drives a hobbing seat 11 to rotate, a hobbing seat 11 rotates, a hobbing seat gear 12 drives a first gear 311 to rotate so as to drive a first half shaft 31 to rotate, a first half shaft gear 331 drives a second half shaft gear 332 through a reversing gear 333 so as to drive a second half shaft 32 to rotate, a second half shaft 32 drives a second gear 321 to drive a worm seat gear 22 to rotate, the hobbing seat 11 and the worm seat 21 are reversely and equiangularly rotated, the hobbing and the grinding device 2 are driven by the hobbing and the grinding device, and in the machining process, the first longitudinal feeding device 5a drives the hobbing device 1 to axially move downwards along the workpiece, and the second half shaft gear 5b drives the gear to axially move downwards until the helical gear is machined.
The preferred embodiments of the present invention have been described in detail above, but the present invention is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present invention within the scope of the technical concept of the present invention, and all the simple modifications belong to the protection scope of the present invention.
In addition, the specific features described in the above embodiments may be combined in any suitable manner without contradiction. The various possible combinations of the invention are not described in detail in order to avoid unnecessary repetition.
Moreover, any combination of the various embodiments of the invention can be made without departing from the spirit of the invention, which should also be considered as disclosed herein.
Claims (7)
1. The utility model provides a helical gear hobbing and gear grinding integrated processing equipment which characterized in that includes:
The gear hobbing device (1), the gear hobbing device (1) comprises a hob and a hob seat (11), one end of the hob seat (11) is provided with a hob seat, the hob is installed on the hob seat (11) through the hob seat, and the other end of the gear hobbing device (1) is provided with a hob seat gear (12) for driving the hob seat (11) to rotate;
The gear grinding device (2), the gear grinding device (2) comprises a grinding wheel worm and a worm seat (21), the pitch of the grinding wheel worm is equal to that of the hob, the precession direction of the spiral line of the grinding wheel worm is the same as that of the spiral line of the hob, one end of the worm seat (21) is provided with a worm support, the grinding wheel worm is arranged on the worm seat (21) through the worm support, and the other end of the worm seat (21) is provided with a worm seat gear (22) for driving the worm seat (21) to rotate;
The reversing linkage device (3), the reversing linkage device (3) comprises a first half shaft (31), a second half shaft (32) and a reverser (33), a first gear (311) matched with the roller seat gear (12) is arranged at one end of the first half shaft (31), the other end of the first half shaft (31) is connected with the reverser (33), a second gear (321) matched with the worm seat gear (22) is arranged at one end of the second half shaft (32), and the other end of the second half shaft (32) is connected with the reverser (33);
The rack (4), the gear hobbing device (1) and the gear grinding device (2) are arranged on the rack (4), and the reverser (33) is fixedly connected with the rack (4);
The commutator (33) comprises a first half shaft gear (331), a second half shaft gear (332), a reversing gear (333) and a commutator housing (334), wherein the reversing gear (333) is rotatably arranged on the commutator housing (334), each of the first half shaft gear (331) and the second half shaft gear (332) is meshed with the reversing gear (333), the first half shaft (31) is connected with the first half shaft gear (331), the second half shaft (32) is connected with the second half shaft gear (332), and the commutator housing (334) is fixedly connected with the rack (4);
The helical gear hobbing and gear grinding integrated processing equipment further comprises a first longitudinal feeding device (5 a) and a second longitudinal feeding device (5 b), wherein the hobbing device (1) is installed on the first longitudinal feeding device (5 a), the gear grinding device (2) is installed on the second longitudinal feeding device (5 b), and each of the first longitudinal feeding device (5 a) and the second longitudinal feeding device (5 b) is fixedly connected with the rack (4);
The helical gear hobbing and gear grinding integrated processing device further comprises a hobbing seat driving device, and the hobbing seat driving device is matched with the hobbing seat gear (12) to drive the hobbing seat (11) to rotate.
2. The helical gear hobbing and grinding integrated processing apparatus according to claim 1, characterized in that it further comprises a control device (10), said control device (10) being electrically connected to said first longitudinal feeding means (5 a), said second longitudinal feeding means (5 b) and said hob base driving means.
3. The helical gear hobbing and gear grinding integrated processing apparatus according to claim 1, characterized in that it further comprises a infeed device (6) and a table (7), said table (7) being mounted on said frame (4) by means of said infeed device (6).
4. A helical gear hobbing and grinding integrated processing apparatus as claimed in claim 3, characterized in that said table (7) is provided with rotation means (8) to enable rotation of the gear to be processed on said table (7) during hobbing.
5. The helical gear hobbing and gear grinding integrated processing apparatus according to claim 4, further comprising a clamping device (9), said clamping device (9) comprising a support frame (91) and a clamping head (92), said clamping head (92) being movably arranged on said support frame (91) along a first preset direction, wherein said clamping head (92) cooperates with a rotating device (8), wherein said first preset direction coincides with the axial direction of the gear to be processed.
6. The helical cylindrical gear hobbing and gear grinding integrated processing apparatus as claimed in claim 1, characterized in that the gear ratio of said hob base gear (12) to said first gear (311) is equal to the gear ratio of said worm base gear (22) to said second gear (321).
7. The helical cylindrical gear hobbing and grinding integrated processing apparatus according to any one of claims 1-6, characterized in that said hobbing device (1) and said grinding device (2) are arranged spaced apart along a second preset direction, wherein said second preset direction coincides with the radial direction of the gear to be processed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811588292.XA CN109514009B (en) | 2018-12-25 | 2018-12-25 | Helical gear hobbing and grinding integrated processing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811588292.XA CN109514009B (en) | 2018-12-25 | 2018-12-25 | Helical gear hobbing and grinding integrated processing equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109514009A CN109514009A (en) | 2019-03-26 |
| CN109514009B true CN109514009B (en) | 2024-05-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811588292.XA Active CN109514009B (en) | 2018-12-25 | 2018-12-25 | Helical gear hobbing and grinding integrated processing equipment |
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| CN (1) | CN109514009B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112496462A (en) * | 2020-12-28 | 2021-03-16 | 合肥皖液液压元件有限公司 | Rolling shaving following machining device for gear |
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