CN114101810B - Gear shaping clamp structure for machining duplicate gear and using method - Google Patents
Gear shaping clamp structure for machining duplicate gear and using method Download PDFInfo
- Publication number
- CN114101810B CN114101810B CN202111575659.6A CN202111575659A CN114101810B CN 114101810 B CN114101810 B CN 114101810B CN 202111575659 A CN202111575659 A CN 202111575659A CN 114101810 B CN114101810 B CN 114101810B
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- gear
- positioning
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- locking
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- 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
- 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
- B23F5/12—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 planing or slotting
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
- Gear Processing (AREA)
Abstract
The invention discloses a gear shaping clamp structure for machining a duplicate gear, which comprises a clamp body, a locking piece, a positioning piece and a limiting piece, wherein the locking piece is arranged on the clamp body; the clamp body is used for clamping machined teeth of the duplicate gear, and the positioning teeth of the positioning piece are matched with tooth grooves of the machined teeth in the duplicate gear; the limiting piece is used for limiting the movement of the positioning piece, and the invention has the advantages of simple structure, low cost and high processing efficiency.
Description
Technical Field
The invention relates to the field of clamp structures, in particular to a gear shaping clamp structure for machining a duplicate gear and a using method of the gear shaping clamp structure.
Background
When the starting surface and the working surface of an aviation duplicate gear are not consistent, in order to accurately transmit motion, a certain angular relationship is designed between a large gear and a small gear, and generally a certain angular relationship is formed between a small gear 82 in a small gear and a large gear 81 in a large gear (the tooth thickness of the small gear 82 is required relative to the symmetry of the tooth thickness of the large gear 81).
Disclosure of Invention
The invention aims to solve the technical problem of overcoming the defects of the prior art and provides a gear shaping clamp structure for machining a duplicate gear, which is simple in structure, low in cost and high in machining efficiency, and a using method thereof.
In order to solve the technical problems, the invention adopts the following technical scheme:
a gear shaping clamp structure for machining a duplicate gear comprises a clamp body, a locking piece, a positioning piece and a limiting piece; the clamp body comprises a clamping part and a clamping head part, wherein a positioning hole is formed in the middle of the clamping part and used for positioning a machined gear in the duplicate gear; a notch penetrating through the inner wall and the outer wall of the clamping part is formed in one side of the clamping part, the two clamping head parts are connected to the clamping part and are oppositely arranged on two sides of the notch, and the locking part is used for preventing a machined gear in the duplicate gear from moving by locking the clamping head parts; the other side of the clamping part is provided with a mounting hole penetrating through the inner wall and the outer wall of the clamping part, the positioning piece is positioned in the mounting hole and matched with the mounting hole, the end part of the positioning piece close to one side of the positioning hole is provided with positioning teeth, and the positioning teeth are matched with tooth grooves of a machined gear in the duplicate gear; the locating part is used for limiting the locating part to move along the length direction of the locating part.
As a further improvement of the technical scheme:
the clamping portion is provided with a limiting hole perpendicular to the mounting hole, an inner wall of the limiting hole is provided with an inner thread, an outer wall of the limiting part is provided with an outer thread, and the inner thread is matched with the outer thread.
The chuck portion is equipped with the locking hole perpendicular with the breach, locking downthehole wall is equipped with the internal thread, the retaining member is equipped with the external screw thread outward, the internal thread with the external screw thread cooperatees.
The locking piece is a locking bolt.
The end part of the positioning piece far away from one side of the positioning hole is provided with a moving block convenient for moving the positioning piece.
The gear shaping clamp structure further comprises a cover plate, the top of the mounting hole is communicated with the outside, and the top of the mounting hole is covered by the cover plate.
The gear shaping clamp structure further comprises a mounting piece, and the mounting piece is used for connecting and fixing the cover plate and the clamping part.
The angle of the positioning teeth is beta, the pressure angle of a machined gear in the duplicate gear is alpha, and the requirement of beta =2 alpha is met.
The outer circumferential wall of the clamping part is provided with a release opening, and the release opening is used for releasing the stress of the clamping part when the locking part is screwed down.
The use method of the gear shaping clamp structure for machining the duplicate gear comprises the following steps:
s1, placing a standard part gear into a positioning hole, moving a positioning piece to enable positioning teeth to be matched with tooth grooves of the standard part gear, screwing a limiting piece to fix the position of the positioning piece, screwing a locking piece to fix the position of the standard part gear, and loosening the locking piece to take out the standard part gear after determining the angular position of a slotting cutter;
s2, placing the machined gear in the duplicate gear into the positioning hole, moving the positioning piece to enable the positioning teeth to be matched with the tooth grooves of the machined gear in the duplicate gear, screwing the limiting piece to fix the position of the positioning piece, and screwing the locking piece to fix the position of the machined gear in the duplicate gear;
and S3, performing gear shaping processing on the unprocessed gear in the duplicate gear.
Compared with the prior art, the invention has the advantages that:
the gear shaping clamp structure for machining the duplicate gear is suitable for machining the duplicate gear with the angular requirement, is simple in structure, firstly puts a standard part gear into the clamp to be aligned with a gear shaping cutter, then takes out the standard part gear, positions the machined tooth of the duplicate gear by using the positioning teeth of the positioning piece, ensures the angular requirement of the machined tooth and the machined tooth, and performs design, manufacturing and field machining verification, wherein the product percent of pass is 100 percent, the problem of machining the duplicate gear angular relation tooth is solved, the machining precision and the field production efficiency of the product are improved compared with the gear grinding machining with automatic tool setting, the duplicate gear with the angular requirement can be machined on a gear shaping machine tool, the working efficiency is improved, the machining cost is reduced, and the system efficiency is improved.
Drawings
FIG. 1 is a schematic view of the construction of the dual gear with angular demand of the present invention.
Fig. 2 is a schematic perspective view of a gear shaping jig structure for machining a duplicate gear according to the present invention.
Fig. 3 is a plan view showing a state in which the gear shaping jig structure for machining a duplicate gear of the present invention is used.
Fig. 4 isbase:Sub>A sectional view taken along linebase:Sub>A-base:Sub>A of fig. 3.
Fig. 5 is a cross-sectional view of a standard gear of the present invention.
Fig. 6 is a top view of a standard gear of the present invention.
The reference numerals in the figures denote: 1. a clamp body; 11. a clamping portion; 111. a release port; 12. a chuck part; 13. positioning holes; 14. a notch; 15. mounting holes; 16. a limiting hole; 2. a locking member; 3. a positioning member; 31. positioning teeth; 32. a moving block; 4. a mounting member; 5. a cover plate; 6. a limiting member; 8. a standard gear; 81. a large tooth; 82. a small tooth.
Detailed Description
The invention will be described in further detail below with reference to the drawings and specific examples. Unless otherwise specified, the instruments or materials employed in the present invention are commercially available.
Example 1:
as shown in fig. 2 to 4, the gear shaping clamp structure for machining a duplicate gear of the present embodiment includes a clamp body 1, a locking member 2, a positioning member 3, and a limiting member 6; the fixture body 1 comprises a clamping part 11 and a clamping head part 12, wherein a positioning hole 13 is formed in the middle of the clamping part 11, and the positioning hole 13 is used for positioning a machined gear in the duplicate gear; a notch 14 penetrating through the inner wall and the outer wall of the clamping part 11 is formed in one side of the clamping part 11, the two clamping head parts 12 are connected to the clamping part 11 and are oppositely arranged on two sides of the notch 14, and the locking part 2 prevents a machined gear in the duplicate gear from moving through the locking clamping head parts 12; the other side of the clamping part 11 is provided with a mounting hole 15 penetrating through the inner wall and the outer wall of the clamping part 11, the positioning piece 3 is positioned in the mounting hole 15 and matched with the mounting hole 15, the end part of the positioning piece 3 in the direction close to one side of the positioning hole 13 is provided with a positioning tooth 31, and the positioning tooth 31 is matched with a tooth groove of a machined gear in the duplicate gear; the limiting member 6 is used for limiting the movement of the positioning member 3 along the length direction of the positioning member 3.
The clamping portion 11 is provided with a limiting hole 16 perpendicular to the mounting hole 15, an inner wall of the limiting hole 16 is provided with an inner thread, an outer wall of the limiting part 6 is provided with an outer thread, and the inner thread is matched with the outer thread.
The head part 12 is provided with a locking hole vertical to the notch 14, the inner wall of the locking hole is provided with an internal thread, the locking part 2 is externally provided with an external thread, and the internal thread is matched with the external thread.
In this embodiment, the locking member 2 is a locking bolt.
The positioning member 3 is provided with a moving block 32 at an end portion in a direction away from the positioning hole 13 for facilitating movement of the positioning member 3. In this embodiment, the moving block 32 is a nut, and in other embodiments, the moving block 32 may be other components such as a screw that can be fixed on the positioning member 3.
The gear shaping clamp structure further comprises a cover plate 5, the top of the mounting hole 15 is communicated with the outside, and the cover plate 5 covers the top of the mounting hole 15.
The gear shaping clamp structure further comprises a mounting piece 4, and the mounting piece 4 is used for connecting and fixing the cover plate 5 and the clamping part 11. In this embodiment, the mounting member 4 is a screw.
The angle of the positioning teeth 31 is beta, the pressure angle of the machined gear in the duplicate gear is alpha, and beta =2 alpha is satisfied.
The outer circumferential wall of the clamping portion 11 is provided with a releasing opening 111, and the releasing opening 111 is used for releasing the stress of the clamping portion 11 when the locking member 2 is screwed.
In this embodiment, the notch 14 penetrates the upper and lower surfaces of the clamping portion 11, and the mounting hole 15 does not penetrate the upper and lower surfaces of the clamping portion 11.
In the invention, a standard gear 8 is also included, as shown in fig. 5, the standard gear 8 is a standard component of the duplex gear to be processed and is used for aligning the slotting cutter.
According to the invention, the standard part gear 8 is prepared according to requirements, the standard part gear 8 is firstly installed and fixed on a fixture structure, the standard part gear 8 is aligned with the slotting cutter, the angular directions of the machined teeth and the teeth to be machined of the subsequent duplicate gear are ensured, the standard part gear 8 is taken out, the machined gear of the duplicate gear is clamped, and the slotting machine tool is started for slotting. The standard gear 8 is marked with the angular desired large 81 and small 82 teeth (as shown in figure 6). The size precision of the standard part gear 8 in the embodiment is at least one grade higher than that of the duplicate gear to be processed.
The invention relates to a use method of a gear shaping clamp structure for machining a dual gear with an angular requirement, which comprises the following steps of:
s1, placing a standard part gear 8 into a positioning hole 13, moving a positioning part 3 to enable a positioning tooth 31 to be matched with a tooth groove of the standard part gear 8, screwing a limiting part 6 to fix the position of the positioning part 3, screwing a locking part 2 to fix the position of the standard part gear 8, determining the angular position of a slotting cutter (the initial position of the slotting cutter for starting machining), and then loosening the locking part 2 to take out the standard part gear 8;
s2, placing the processed gear in the duplicate gear into the positioning hole 13, moving the positioning piece 3 to enable the positioning teeth 31 to be matched with the tooth grooves of the processed gear in the duplicate gear, screwing the limiting piece 6 to fix the position of the positioning piece 3, and screwing the locking piece 2 to fix the position of the processed gear in the duplicate gear;
and S3, performing gear shaping processing on the unprocessed gear in the duplicate gear.
In this embodiment, the gear shaping jig structure is mounted on a gear shaping machine tool, the lower end of the gear shaping jig structure is fixed to the gear shaping machine tool through a T-shaped groove, the outer circumference of the tooth of a processed gear in a duplicate gear is used as a positioning reference a, and the symmetry of the small tooth thickness to the reference is not greater than Δ T (the specific value of the symmetry is based on actual requirements and is used as a reference for evaluating whether a final product meets requirements).
Taking an aviation dual gear as an example, it is known that: the module m =1, the pressure angle α =20 °, the number Z1=28 of teeth where the large tooth 81 is located, the number Z2=20 of teeth where the small tooth 82 is located, and the tooth thickness symmetry of the small tooth 82 with respect to the tooth thickness of the large tooth 81 is 0.15. The clamping position of the duplicate gear part is determined by the positioning part 3 of the gear shaping clamp structure, the initial position of the gear shaping cutter during gear shaping is determined by the workpiece of the gear shaping clamp, the angular requirement of the pinion and the bull gear is ensured in the gear shaping process, the measurement symmetry is 0.037 after actual processing, and the process requirement is met.
Although the present invention has been described with reference to the preferred embodiments, it is not intended to be limited thereto. Those skilled in the art can make numerous possible variations and modifications to the present invention, or modify equivalent embodiments to equivalent variations, without departing from the scope of the invention, using the teachings disclosed above. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention should fall within the protection scope of the technical scheme of the present invention, unless the technical spirit of the present invention departs from the content of the technical scheme of the present invention.
Claims (9)
1. The utility model provides a duplex gear processing is with gear shaping anchor clamps structure which characterized in that: comprises a clamp body (1), a locking piece (2), a positioning piece (3) and a limiting piece (6);
the clamp body (1) comprises a clamping part (11) and a clamping head part (12), a positioning hole (13) is formed in the middle of the clamping part (11), and the positioning hole (13) is used for positioning a machined gear in the duplicate gear; a notch (14) penetrating through the inner wall and the outer wall of the clamping part (11) is formed in one side of the clamping part (11), the two clamping head parts (12) are connected to the clamping part (11) and are oppositely arranged on two sides of the notch (14), and the locking part (2) prevents a machined gear in the duplicate gear from moving by locking the clamping head parts (12);
a mounting hole (15) penetrating through the inner wall and the outer wall of the clamping part (11) is formed in the other side of the clamping part (11), the positioning piece (3) is located in the mounting hole (15) and matched with the mounting hole (15), positioning teeth (31) are arranged at the end part of the positioning piece (3) in the direction close to one side of the positioning hole (13), and the positioning teeth (31) are matched with tooth grooves of a machined gear in the duplicate gear;
the limiting piece (6) is used for limiting the positioning piece (3) to move along the length direction of the positioning piece (3); the clamping part (11) is provided with a limiting hole (16) perpendicular to the mounting hole (15), the inner wall of the limiting hole (16) is provided with an internal thread, the outer wall of the limiting part (6) is provided with an external thread, and the internal thread is matched with the external thread; the clamping position of the duplicate gear part is determined through a positioning piece (3) of the gear shaping clamp structure, and the initial position of the gear shaping cutter during gear shaping processing is determined through the pair of the positioning pieces of the gear shaping clamp.
2. The gear shaping jig structure for machining a double pinion according to claim 1, characterized in that: the clamping head portion (12) is provided with a locking hole perpendicular to the notch (14), the inner wall of the locking hole is provided with an internal thread, an external thread is arranged outside the locking member (2), and the internal thread is matched with the external thread.
3. The gear shaping jig structure for machining a duplicate gear according to claim 2, characterized in that: the locking piece (2) is a locking bolt.
4. The gear shaping jig structure for processing a duplicate gear according to any of claims 1 to 3, wherein: the end part of the positioning piece (3) in the direction far away from one side of the positioning hole (13) is provided with a moving block (32) which is convenient for moving the positioning piece (3).
5. The gear shaping jig structure for processing a duplicate gear according to any of claims 1 to 3, wherein: the gear shaping clamp structure further comprises a cover plate (5), the top of the mounting hole (15) is communicated with the outside, and the cover plate (5) is arranged at the top of the mounting hole (15) in a covering mode.
6. The gear shaping jig structure for machining a duplicate gear according to claim 5, characterized in that: the gear shaping clamp structure further comprises a mounting piece (4), and the mounting piece (4) is used for fixedly connecting the cover plate (5) with the clamping part (11).
7. The gear shaping jig structure for processing a duplicate gear according to any of claims 1 to 3, wherein: the angle of the positioning teeth (31) is beta, the pressure angle of a machined gear in the duplex gear is alpha, and beta =2 alpha is satisfied.
8. The gear shaping jig structure for processing a duplicate gear according to any of claims 1 to 3, characterized in that: the outer circumferential wall of the clamping portion (11) is provided with a release opening (111), and the release opening (111) is used for releasing stress of the clamping portion (11) when the locking piece (2) is screwed down.
9. A method for using the gear shaping jig structure for machining a duplicate gear according to any one of claims 1 to 8, characterized in that: the method comprises the following steps:
s1, placing a standard part gear (8) into a positioning hole (13), moving a positioning piece (3) to enable positioning teeth (31) to be matched with tooth grooves of the standard part gear (8), screwing a limiting piece (6) to fix the position of the positioning piece (3), screwing a locking piece (2) to fix the position of the standard part gear (8), determining the clamping position of a duplicate gear part through the positioning piece (3) of a gear shaping clamp structure, determining the initial position of a gear shaping cutter during gear shaping processing through a tool setting piece of the gear shaping clamp, and loosening the locking piece (2) to take out the standard part gear (8) after determining the angular position of the gear shaping cutter;
s2, placing the machined gear in the duplicate gear into the positioning hole (13), moving the positioning piece (3) to enable the positioning teeth (31) to be matched with the tooth grooves of the machined gear in the duplicate gear, screwing the limiting piece (6) to fix the position of the positioning piece (3), and screwing the locking piece (2) to fix the position of the machined gear in the duplicate gear;
and S3, gear shaping processing is carried out on the unprocessed gear in the duplicate gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111575659.6A CN114101810B (en) | 2021-12-21 | 2021-12-21 | Gear shaping clamp structure for machining duplicate gear and using method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111575659.6A CN114101810B (en) | 2021-12-21 | 2021-12-21 | Gear shaping clamp structure for machining duplicate gear and using method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114101810A CN114101810A (en) | 2022-03-01 |
| CN114101810B true CN114101810B (en) | 2023-02-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111575659.6A Active CN114101810B (en) | 2021-12-21 | 2021-12-21 | Gear shaping clamp structure for machining duplicate gear and using method |
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| CN210139121U (en) * | 2019-06-06 | 2020-03-13 | 凯澄起重机械有限公司 | Gear shaft gear shaping clamp |
| CN212329905U (en) * | 2020-03-27 | 2021-01-12 | 宝鸡法士特齿轮有限责任公司 | Tooth aligning mistake proofing gear shaping clamp |
| CN215199989U (en) * | 2021-04-23 | 2021-12-17 | 韶能集团韶关宏大齿轮有限公司 | Gear shaping clamp for meeting requirement on gear position |
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2021
- 2021-12-21 CN CN202111575659.6A patent/CN114101810B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001198732A (en) * | 2000-01-07 | 2001-07-24 | Kubota Corp | Nc turret machining device |
| CN102091831A (en) * | 2011-01-30 | 2011-06-15 | 江苏中力齿轮有限公司 | Special fixture for machining gear teeth of high-precision multi-gear |
| CN102357846A (en) * | 2011-10-17 | 2012-02-22 | 河南柴油机重工有限责任公司 | Press mounting clamp and press mounting method for duplex spiral gear |
| CN202922046U (en) * | 2012-11-16 | 2013-05-08 | 大连洁能重工机械有限公司 | Gear grinding tool for large wind power gear shaft |
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| CN207656027U (en) * | 2017-11-24 | 2018-07-27 | 韶关市万立齿轮有限公司 | Duplex-gear gear shaping is to tooth tooling |
| CN110856879A (en) * | 2018-08-22 | 2020-03-03 | 上海汽车变速器有限公司 | System and method for precisely machining double-linkage teeth |
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| CN114101810A (en) | 2022-03-01 |
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