CN115026352A - Special machine tool for grinding double-spindle-face gear - Google Patents
Special machine tool for grinding double-spindle-face gear Download PDFInfo
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- CN115026352A CN115026352A CN202210671328.0A CN202210671328A CN115026352A CN 115026352 A CN115026352 A CN 115026352A CN 202210671328 A CN202210671328 A CN 202210671328A CN 115026352 A CN115026352 A CN 115026352A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23F—MAKING GEARS OR TOOTHED RACKS
- B23F15/00—Methods or machines for making gear wheels of special kinds not covered by groups B23F7/00 - B23F13/00
- B23F15/06—Making gear teeth on the front surface of wheels, e.g. for clutches or couplings with toothed faces
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- 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
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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
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- Grinding-Machine Dressing And Accessory Apparatuses (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
Abstract
The invention discloses a special machine tool for grinding double-spindle-face gears, which comprises a base frame, a first grinding spindle, a second grinding spindle, a machine tool C-axis motion mechanism, a roller mounting frame, a roller driving servo motor, a diamond roller and a face gear clamp tool; installing a face gear on a face gear clamp tool, wherein the face gear is driven to rotate by a C-axis movement mechanism of a machine tool; and the first grinding main shaft and the second grinding main shaft alternately perform grinding wheel dressing and face gear grinding until the grinding depth reaches the preset grinding depth, and finishing the face gear grinding. The device has simple structure, is easy to process and manufacture, greatly improves the grinding efficiency of the face gear, and lays a foundation for the mass production of the face gear.
Description
Technical Field
The invention belongs to the technical field of machining, and particularly relates to a special machine tool for grinding double-spindle-face gears.
Background
The face gear as a novel gear is applied to foreign countries, particularly to a helicopter, so that high attention and deep research of scientific research personnel in China are aroused, the processing theory, the processing test and the like of China are finished, and a highly efficient solution is not provided for a face gear tooth grinding process. The present face gear grinding machine has low gear grinding efficiency, one circle of time or even longer time is needed for grinding one face gear, the face gear cannot be produced in large batch, and great difficulty is caused to the wide application of the face gear.
At present, a worm grinding wheel grinding method is adopted for a face gear, a diamond roller is used for finishing the worm grinding wheel firstly, then the finished grinding wheel is used for grinding the face gear, and for a hard tooth face gear, grinding of the face gear cannot be finished once, and multiple times of finishing and multiple times of feeding are needed until the theoretical tooth depth of the face gear is obtained. The dressing efficiency of the worm grinding wheel by using the diamond roller is extremely low, and usually 50% or even more of the total time of single gear grinding is occupied, which is a very important factor causing the gear grinding efficiency of the face gear to be low.
Aiming at the problem of low efficiency of the gear grinding of the face gear, an effective solution is not seen at present.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a special double-spindle face gear grinding machine tool, which comprises a base frame, a first grinding spindle, a second grinding spindle, a machine tool C-axis motion mechanism, a roller mounting frame, a roller driving servo motor, a diamond roller and a face gear clamp tool; installing a face gear on a face gear clamp tool, wherein the face gear is driven to rotate by a C-axis movement mechanism of a machine tool; and the first grinding main shaft and the second grinding main shaft alternately perform grinding wheel dressing and face gear grinding until the grinding depth reaches the preset grinding depth, and finishing the face gear grinding. The device has simple structure, is easy to process and manufacture, greatly improves the grinding efficiency of the face gear, and lays a foundation for the mass production of the face gear.
The technical scheme adopted by the invention for solving the technical problem comprises the following steps:
a double-spindle-face gear grinding special machine tool comprises a base frame, a first grinding spindle, a second grinding spindle, a machine tool C-axis movement mechanism, a roller mounting frame, a roller driving servo motor, a diamond roller and a face gear clamp tool;
the first grinding spindle comprises a first X-axis motion mechanism, a first Y-axis motion mechanism, a first Z-axis motion mechanism, a first A-axis driving servo motor, a first grinding wheel driving servo motor and a first grinding wheel;
the first X-axis motion mechanism is arranged on the base frame and can drive a part arranged on the first X-axis motion mechanism to move along the left and right directions of the machine tool; the first Z-axis movement mechanism is arranged on the first X-axis movement mechanism and can drive a part arranged on the first Z-axis movement mechanism to move along the vertical direction of the machine tool; the first A-axis driving servo motor is arranged on the first Z-axis movement mechanism, can drive a component arranged on the first A-axis driving servo motor to rotate around the axis of the first A-axis driving servo motor, and is used for dressing a first grinding wheel; the first Y-axis movement mechanism is arranged on the first A-axis driving servo motor and can drive a part arranged on the first Y-axis movement mechanism to move along the front and back directions of the machine tool; the first grinding wheel driving servo motor is arranged on the first Y-axis movement mechanism; the first grinding wheel is arranged on a first grinding wheel driving servo motor, and the first grinding wheel is driven by the first grinding wheel driving servo motor to rotate around the axis of the first grinding wheel;
the second grinding main shaft and the first grinding main shaft are symmetrically arranged on two sides of the base frame;
the second grinding spindle comprises a second X-axis motion mechanism, a second Y-axis motion mechanism, a second Z-axis motion mechanism, a second A-axis driving servo motor, a second grinding wheel driving servo motor and a second grinding wheel;
the second X-axis motion mechanism is arranged on the base frame and can drive components arranged on the second X-axis motion mechanism to move along the left and right directions of the machine tool; the second Z-axis motion mechanism is arranged on the second X-axis motion mechanism and can drive a part arranged on the second Z-axis motion mechanism to move along the vertical direction of the machine tool; the second A-axis driving servo motor is arranged on the second Z-axis movement mechanism, can drive a component arranged on the second A-axis driving servo motor to rotate around the axis of the second A-axis driving servo motor, and is used for trimming a second grinding wheel; the second Y-axis movement mechanism is arranged on the second A-axis driving servo motor and can drive a part arranged on the second Y-axis movement mechanism to move along the front and back directions of the machine tool; the second grinding wheel driving servo motor is arranged on the second Y-axis movement mechanism; the second grinding wheel is arranged on a second grinding wheel driving servo motor, and the second grinding wheel is driven by the second grinding wheel driving servo motor to rotate around the axis of the second grinding wheel;
the C-axis movement mechanism of the machine tool is arranged in the middle of the machine tool and can rotate around the axis of the C-axis movement mechanism; the face gear clamp tool is installed on a C-axis movement mechanism of the machine tool; the roller mounting rack is arranged behind the base frame; the roller driving servo motor is arranged on the roller mounting frame; the diamond roller is arranged on the roller driving servo motor and is driven by the roller driving servo motor to rotate around the axis of the diamond roller;
when the face gear grinding work is carried out, the face gear is arranged on a face gear clamp tool, and the face gear is driven to rotate by a C-axis movement mechanism of a machine tool; firstly, a diamond roller is used for trimming a first grinding wheel, and then the first grinding wheel moves to the position above a face gear through the movement of each component in a first grinding main shaft to grind the tooth surface of the face gear; when the face gear is ground by the first grinding wheel, the second grinding wheel moves to the diamond roller through the movement of each part in the second grinding main shaft, and the diamond roller trims the second grinding wheel; the difference between the grinding time of the gear with the setting surface and the dressing time of the grinding wheel is not more than 30 percent; then, the second grinding wheel moves to the position above the face gear through the movement of all parts in the second grinding main shaft, and the tooth surface of the face gear is ground; when the face gear is ground by the second grinding wheel, the first grinding wheel moves to the diamond roller through the movement of each part in the first grinding main shaft, and the diamond roller trims the first grinding wheel; and circulating in the way, the first grinding spindle and the second grinding spindle alternately perform grinding wheel dressing and face gear grinding until the grinding depth reaches the preset grinding depth, and finishing the face gear grinding.
The invention has the following beneficial effects:
(1) the device has simple structure and is easy to process and manufacture.
(2) The invention overcomes the problem of low efficiency of the existing single-spindle face gear grinding machine tool, greatly improves the face gear grinding efficiency, and lays a foundation for mass production of face gears.
(3) The invention has good universality, can be used for grinding cylindrical gears, helical gears and the like, and has wider application range.
(4) The invention is easy to improve and can be improved into machine tools with different sizes to adapt to the grinding of gears with different sizes.
Drawings
Fig. 1 is a general structural schematic diagram of the double-spindle face gear grinding special machine tool.
Fig. 2 is a schematic view of the first grinding spindle of the present invention.
Fig. 3 is a schematic view of a second grinding spindle of the present invention.
Fig. 4 is a schematic view of a first grinding spindle grinding face gear of the present invention.
Fig. 5 is a schematic view of a second grinding spindle grinding face gear of the present invention.
In the figure: 1-base frame, 2-first grinding spindle, 3-second grinding spindle, 4-machine tool C-axis motion mechanism, 5-roller mounting frame, 6-roller driving servo motor, 7-diamond roller, 8-face gear clamp tool, 9-face gear, 201-first X-axis motion mechanism, 202-first Y-axis motion mechanism, 203-first Z-axis motion mechanism, 204-first A-axis driving servo motor, 205-first grinding wheel driving servo motor, 206-first grinding wheel, 301-second X-axis motion mechanism, 302-second Y-axis motion mechanism, 303-second Z-axis motion mechanism, 304-second A-axis driving servo motor, 305-second grinding wheel driving servo motor and 306-second grinding wheel.
Detailed Description
The invention is further illustrated with reference to the following figures and examples.
The invention aims to overcome the defects in the prior art and provide the special machine tool for grinding the double-spindle-face gear, which has high efficiency and high precision.
A double-spindle face gear grinding special machine tool comprises a base frame 1, a first grinding spindle 2, a second grinding spindle 3, a machine tool C-axis movement mechanism 4, a roller mounting frame 5, a roller driving servo motor 6, a diamond roller 7 and a face gear clamp tool 8;
the first grinding spindle 2 comprises a first X-axis motion mechanism 201, a first Y-axis motion mechanism 202, a first Z-axis motion mechanism 203, a first A-axis drive servo motor 204, a first grinding wheel drive servo motor 205 and a first grinding wheel 206;
the first X-axis movement mechanism 201 is arranged on the base frame 1 and can drive components arranged on the first X-axis movement mechanism 201 to move along the left and right directions of the machine tool; the first Z-axis motion mechanism 203 is arranged on the first X-axis motion mechanism 201 and can drive a part arranged on the first Z-axis motion mechanism 203 to move along the vertical direction of the machine tool; the first a-axis driving servo motor 204 is arranged on the first Z-axis movement mechanism 203, and can drive a component mounted on the first a-axis driving servo motor 204 to rotate around the axis of the first a-axis driving servo motor 204, so as to trim the first grinding wheel 206; the first Y-axis motion mechanism 202 is arranged on the first a-axis drive servo motor 204 and can drive a component arranged on the first Y-axis motion mechanism 202 to move along the front-back direction of the machine tool; the first grinding wheel driving servo motor 205 is arranged on the first Y-axis movement mechanism 202; the first grinding wheel 206 is mounted on a first grinding wheel driving servo motor 205, and the first grinding wheel 206 is driven by the first grinding wheel driving servo motor 205 to rotate around the axis of the first grinding wheel 206;
the second grinding main shaft 3 and the first grinding main shaft 2 are symmetrically arranged on two sides of the base frame 1;
the second grinding spindle 3 comprises a second X-axis motion mechanism 301, a second Y-axis motion mechanism 302, a second Z-axis motion mechanism 303, a second a-axis drive servo motor 304, a second grinding wheel drive servo motor 305 and a second grinding wheel 306;
the second X-axis movement mechanism 301 is arranged on the base frame 1 and can drive components arranged on the second X-axis movement mechanism 301 to move along the left and right directions of the machine tool; the second Z-axis movement mechanism 303 is arranged on the second X-axis movement mechanism 301 and can drive a component arranged on the second Z-axis movement mechanism 303 to move along the vertical direction of the machine tool; the second a-axis driving servo motor 304 is arranged on the second Z-axis moving mechanism 303, and can drive a component mounted on the second a-axis driving servo motor 304 to rotate around the axis of the second a-axis driving servo motor 304, so as to dress the second grinding wheel 306; the second Y-axis motion mechanism 302 is arranged on the second a-axis drive servo motor 304 and can drive a part mounted on the second Y-axis motion mechanism 302 to move along the front-back direction of the machine tool; the second grinding wheel driving servo motor 305 is arranged on the second Y-axis movement mechanism 302; the second grinding wheel 306 is mounted on a second grinding wheel driving servo motor 305, and the second grinding wheel 306 is driven by the second grinding wheel driving servo motor 305 to rotate around the axis of the second grinding wheel 306;
the C-axis movement mechanism 4 of the machine tool is arranged in the middle of the machine tool, and the C-axis movement mechanism 4 of the machine tool can rotate around the axis of the C-axis movement mechanism; the face gear clamp tool 8 is arranged on the C-axis movement mechanism 4 of the machine tool; the roller mounting rack 5 is arranged behind the base frame 1; the roller driving servo motor 6 is arranged on the roller mounting frame 5; the diamond roller 7 is arranged on the roller driving servo motor 6, and the diamond roller 7 is driven by the roller driving servo motor 6 to rotate around the axis of the diamond roller;
when the face gear 9 is subjected to gear grinding work, the face gear 9 is installed on a face gear clamp tool 8, and the face gear 9 is driven to rotate by a C-axis movement mechanism 4 of the machine tool; the first grinding wheel 206 is dressed by using the diamond roller 7, and then the first grinding wheel 206 moves to the upper part of the face gear 9 through the movement of each part in the first grinding spindle 2 to grind the tooth surface of the face gear 9; when the face gear 9 is ground by the first grinding wheel 206, the second grinding wheel 306 moves to the diamond roller 7 through the movement of each part in the second grinding spindle 3, and the diamond roller 7 dresses the second grinding wheel 306 according to a grinding wheel dressing method; according to the existing face gear grinding work, the time difference between the grinding wheel finishing and the grinding wheel grinding of the face gear is not large in the face gear grinding process; next, the second grinding wheel 306 moves above the face gear 9 by the movement of each component in the second grinding spindle 3, and grinds the tooth surface of the face gear 9; when the face gear 9 is ground by the second grinding wheel 306, the first grinding wheel 206 moves to the diamond roller 7 through the movement of each component in the first grinding spindle 2, and the diamond roller 7 dresses the first grinding wheel 206; and circulating in this way, the first grinding spindle 2 and the second grinding spindle 3 alternately perform grinding wheel dressing and face gear 9 grinding work until the grinding depth reaches the preset grinding depth, and stopping grinding until the face gear 9 is ground.
Claims (2)
1. A special machine tool for grinding double-spindle-face gears is characterized by comprising a base frame, a first grinding spindle, a second grinding spindle, a machine tool C-axis movement mechanism, a roller mounting frame, a roller driving servo motor, a diamond roller and a face gear clamp tool;
the first grinding spindle comprises a first X-axis movement mechanism, a first Y-axis movement mechanism, a first Z-axis movement mechanism, a first A-axis driving servo motor, a first grinding wheel driving servo motor and a first grinding wheel;
the first X-axis motion mechanism is arranged on the base frame and can drive a part arranged on the first X-axis motion mechanism to move along the left and right directions of the machine tool; the first Z-axis movement mechanism is arranged on the first X-axis movement mechanism and can drive a part arranged on the first Z-axis movement mechanism to move along the vertical direction of the machine tool; the first A-axis driving servo motor is arranged on the first Z-axis movement mechanism, can drive a component arranged on the first A-axis driving servo motor to rotate around the axis of the first A-axis driving servo motor, and is used for dressing a first grinding wheel; the first Y-axis motion mechanism is arranged on the first A-axis driving servo motor and can drive a part arranged on the first Y-axis motion mechanism to move along the front and back directions of the machine tool; the first grinding wheel driving servo motor is arranged on the first Y-axis movement mechanism; the first grinding wheel is arranged on a first grinding wheel driving servo motor, and the first grinding wheel is driven by the first grinding wheel driving servo motor to rotate around the axis of the first grinding wheel;
the second grinding main shaft and the first grinding main shaft are symmetrically arranged on two sides of the base frame;
the second grinding spindle comprises a second X-axis motion mechanism, a second Y-axis motion mechanism, a second Z-axis motion mechanism, a second A-axis driving servo motor, a second grinding wheel driving servo motor and a second grinding wheel;
the second X-axis motion mechanism is arranged on the base frame and can drive components arranged on the second X-axis motion mechanism to move along the left and right directions of the machine tool; the second Z-axis motion mechanism is arranged on the second X-axis motion mechanism and can drive a part arranged on the second Z-axis motion mechanism to move along the vertical direction of the machine tool; the second A-axis driving servo motor is arranged on the second Z-axis movement mechanism, can drive a component arranged on the second A-axis driving servo motor to rotate around the axis of the second A-axis driving servo motor, and is used for dressing a second grinding wheel; the second Y-axis motion mechanism is arranged on the second A-axis drive servo motor and can drive a part arranged on the second Y-axis motion mechanism to move along the front and back directions of the machine tool; the second grinding wheel driving servo motor is arranged on the second Y-axis movement mechanism; the second grinding wheel is arranged on a second grinding wheel driving servo motor, and the second grinding wheel is driven by the second grinding wheel driving servo motor to rotate around the axis of the second grinding wheel driving servo motor;
the C-axis movement mechanism of the machine tool is arranged in the middle of the machine tool and can rotate around the axis of the C-axis movement mechanism; the face gear clamp tool is installed on a C-axis movement mechanism of the machine tool; the roller mounting rack is arranged behind the base frame; the roller driving servo motor is arranged on the roller mounting frame; the diamond roller is arranged on the roller driving servo motor and is driven by the roller driving servo motor to rotate around the axis of the diamond roller;
when the face gear grinding work is carried out, the face gear is arranged on a face gear clamp tool and is driven to rotate by a C-axis movement mechanism of a machine tool; firstly, a diamond roller is used for trimming a first grinding wheel, and then the first grinding wheel moves to the position above a face gear through the movement of each component in a first grinding main shaft to grind the tooth surface of the face gear; when the face gear is ground by the first grinding wheel, the second grinding wheel moves to the diamond roller through the movement of each part in the second grinding main shaft, and the diamond roller trims the second grinding wheel; the difference between the grinding time of the gear on the setting surface and the dressing time of the grinding wheel does not exceed a set proportion; then, the second grinding wheel moves to the position above the face gear through the movement of all parts in the second grinding main shaft, and the tooth surface of the face gear is ground; when the face gear is ground by the second grinding wheel, the first grinding wheel moves to the diamond roller through the movement of each part in the first grinding main shaft, and the diamond roller trims the first grinding wheel; and circulating in the way, the first grinding spindle and the second grinding spindle alternately perform grinding wheel dressing and face gear grinding until the grinding depth reaches the preset grinding depth, and finishing the face gear grinding.
2. The special machine tool for grinding double main axial face gear according to claim 1, wherein the set proportion is 30%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210671328.0A CN115026352B (en) | 2022-06-15 | 2022-06-15 | Machine tool special for gear grinding of double-spindle face gear |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210671328.0A CN115026352B (en) | 2022-06-15 | 2022-06-15 | Machine tool special for gear grinding of double-spindle face gear |
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| Publication Number | Publication Date |
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| CN115026352A true CN115026352A (en) | 2022-09-09 |
| CN115026352B CN115026352B (en) | 2023-04-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210671328.0A Active CN115026352B (en) | 2022-06-15 | 2022-06-15 | Machine tool special for gear grinding of double-spindle face gear |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003011021A (en) * | 2001-06-29 | 2003-01-15 | Okamoto Machine Tool Works Ltd | Gear grinding apparatus and dressing method for grinding wheel |
| CN101015870A (en) * | 2006-11-08 | 2007-08-15 | 湖南中大创远数控装备有限公司 | Six-five axis spiral awl gear cutting machine |
| CN102101203A (en) * | 2010-12-30 | 2011-06-22 | 湖南中大创远数控装备有限公司 | Processing machine tool of six-axis five-linkage helical bevel gear |
| CN113927101A (en) * | 2020-07-14 | 2022-01-14 | 中南大学 | Grinding method for face gear worm grinding wheel |
-
2022
- 2022-06-15 CN CN202210671328.0A patent/CN115026352B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003011021A (en) * | 2001-06-29 | 2003-01-15 | Okamoto Machine Tool Works Ltd | Gear grinding apparatus and dressing method for grinding wheel |
| CN101015870A (en) * | 2006-11-08 | 2007-08-15 | 湖南中大创远数控装备有限公司 | Six-five axis spiral awl gear cutting machine |
| CN102101203A (en) * | 2010-12-30 | 2011-06-22 | 湖南中大创远数控装备有限公司 | Processing machine tool of six-axis five-linkage helical bevel gear |
| CN113927101A (en) * | 2020-07-14 | 2022-01-14 | 中南大学 | Grinding method for face gear worm grinding wheel |
Non-Patent Citations (1)
| Title |
|---|
| 吴文杰;: "数控成形砂轮磨齿机的研制" * |
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