CN220278484U - Frock structure for gearbox gear chamfering - Google Patents
Frock structure for gearbox gear chamfering Download PDFInfo
- Publication number
- CN220278484U CN220278484U CN202321438052.8U CN202321438052U CN220278484U CN 220278484 U CN220278484 U CN 220278484U CN 202321438052 U CN202321438052 U CN 202321438052U CN 220278484 U CN220278484 U CN 220278484U
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- China
- Prior art keywords
- chamfering tool
- locating
- spring
- chamfering
- tool mounting
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- 230000005540 biological transmission Effects 0.000 claims abstract description 11
- 238000003754 machining Methods 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 125000006850 spacer group Chemical group 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
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- Gear Processing (AREA)
Abstract
The utility model relates to a tool structure for chamfering a transmission gear, and belongs to the technical field of automobile transmission gear machining. The technical proposal is as follows: the chamfering tool comprises a locating plate (1), a locating frame (2), a chamfering tool mounting frame (3), a rotary locating shaft (4), a chamfering tool mounting shaft (6), a spring locating pin (12), a spring (13) and a chamfering tool (17), wherein the locating plate (1) is fixed on the locating frame (2), the chamfering tool mounting frame (3) is rotationally connected onto the locating frame through the rotary locating shaft (4), a spring (13) is arranged on the spring locating pin (12), the screw penetrates through the chamfering tool mounting frame to be fastened with one end of the spring locating pin, and the other end of the spring locating pin is connected onto the locating plate through threads; the chamfering tool (17) is fixed on a chamfering tool mounting shaft (6), and the chamfering tool mounting shaft is mounted on a chamfering tool mounting frame. The beneficial effects of the utility model are as follows: the chamfering processing of the gear can be realized, the cutter is replaced fast and conveniently, and the processing efficiency is improved.
Description
Technical Field
The utility model relates to a tool structure for chamfering a transmission gear, and belongs to the technical field of automobile transmission gear machining.
Background
The gear machining in the speed changer is one of the most critical links in the production and manufacture of the speed changer, the gear chamfering process is indispensable, the chamfering process is an important measure capable of preventing noise generated by tooth surface bulge caused by small collision and damaging the engaging tooth surface, improving the engaging precision, reducing the engaging impact, and playing an important role on whether the speed changer can normally work in the whole automobile.
At present, most of gear chamfering is processed by special machines, special tools are needed, when workpieces are replaced, the processing efficiency is low, and the gear chamfering machine is not suitable for processing small-batch and multi-variety parts.
Disclosure of Invention
The utility model aims to provide a tool structure for chamfering gears of a transmission, which can realize chamfering processing of the gears, is quick and convenient in tool replacement, improves processing efficiency and solves the problems in the prior art.
The technical scheme of the utility model is as follows:
the utility model provides a derailleur gear chamfering frock structure, contains locating plate, locating rack, chamfer sword mounting bracket, rotatory locating shaft, chamfer sword installation axle, spring locating pin, spring and chamfer sword, and the locating plate is fixed on the locating rack, and the chamfer sword mounting bracket rotates through rotatory locating shaft to be connected on the locating rack, is equipped with the spring on the spring locating pin, and the screw passes chamfer sword mounting bracket and is fastened with spring locating pin one end, and the spring locating pin other end passes through threaded connection on the locating plate; the chamfering tool is fixed on a chamfering tool mounting shaft which is arranged on a chamfering tool mounting frame.
One end of the spring positioning pin is provided with a screw hole matched with the screw, and the other end of the spring positioning pin is provided with external threads.
The chamfering tool mounting frame compresses a spring on the spring positioning pin and contacts with the positioning plate.
An adjusting pad is arranged between the chamfering tool and the chamfering tool mounting frame.
The sections of the locating rack and the chamfering tool mounting rack are of U-shaped structures.
The beneficial effects of the utility model are as follows: the chamfering machine has the advantages that the universality is high, chamfering machining of gears can be realized by using the lathe, the cutter is quickly and conveniently replaced, the chamfering machine is suitable for machining small-batch multiple parts, and the machining efficiency is improved.
Drawings
FIG. 1 is a front view of the present utility model;
FIG. 2 is a top view of the present utility model;
FIG. 3 is a left side view of the present utility model;
FIG. 4 is a front view of the locating plate of the present utility model;
FIG. 5 is a top view of the locating plate of the present utility model;
FIG. 6 is a front view of the spacer of the present utility model;
FIG. 7 is a top view of the spacer of the present utility model;
FIG. 8 is a left side view of the spacer of the present utility model;
FIG. 9 is a front view of the chamfering tool mounting bracket of the present utility model;
FIG. 10 is a top view of the chamfering tool mounting bracket of the present utility model;
FIG. 11 is a left side view of the chamfering tool mount of the present utility model;
FIG. 12 is a schematic view of a rotational positioning shaft according to the present utility model;
FIG. 13 is a schematic view of the installation of the chamfering tool of the present utility model;
FIG. 14 is a schematic view of a spring locator pin of the present utility model;
in the figure: the chamfering tool comprises a locating plate 1, a locating frame 2, a chamfering tool mounting frame 3, a rotary locating shaft 4, a first hexagonal nut 5, a chamfering tool mounting shaft 6, a gasket 7, an adjusting pad 8, a second hexagonal nut 9, a first cylindrical head socket head cap screw 10, a second cylindrical head socket head cap screw 11, a spring locating pin 12, a spring 13, a third cylindrical head socket head cap screw 14, a fourth cylindrical head socket head cap screw 15, a workpiece locating clamp 16, a chamfering tool 17 and a machined part 18.
Detailed Description
The utility model is further illustrated by way of example with reference to the accompanying drawings.
Referring to fig. 1-14, a tool structure for chamfering gears of a transmission comprises a positioning plate 1, a positioning frame 2, a chamfering tool mounting frame 3, a rotary positioning shaft 4, a chamfering tool mounting shaft 6, a spring positioning pin 12, a spring 13 and a chamfering tool 17, wherein the positioning plate 1 is fixed on the positioning frame 2, the chamfering tool mounting frame 3 is rotationally connected to the positioning frame 2 through the rotary positioning shaft 4, the spring positioning pin 12 is provided with the spring 13, a screw penetrates through the chamfering tool mounting frame 3 to be fastened with one end of the spring positioning pin 12, and the other end of the spring positioning pin 12 is connected to the positioning plate 1 through threads; the chamfering tool 17 is fixed on the chamfering tool mounting shaft 6, and the chamfering tool mounting shaft 6 is mounted on the chamfering tool mounting frame 3.
In this example, referring to fig. 1 to 14, the tool structure for chamfering a transmission gear comprises a positioning plate 1, a positioning frame 2, a chamfering tool mounting frame 3, a rotary positioning shaft 4, a hexagonal nut one 5, a chamfering tool mounting shaft 6, a gasket 7, an adjusting pad 8, a hexagonal nut two 9, a cylindrical head socket head cap screw one 10, a cylindrical head socket head cap screw two 11, a spring positioning pin 12, a spring 13, a cylindrical head socket head cap screw three 14, a cylindrical head socket head cap screw four 15 and a chamfering tool 17, wherein: the sections of the locating rack 2 and the chamfering tool mounting rack 3 are of U-shaped structures, as shown in fig. 6-11, one end of the spring locating pin 12 is provided with a screw hole matched with the screw, and the other end is provided with external threads, as shown in fig. 14. The chamfering tool 17 is a tool commonly used in the art.
The specific assembly process is as follows:
firstly, a positioning plate 1 and a positioning frame 2 are fastened and connected through four 15 (M8) socket head cap screws of 4 cylinder heads, then a chamfering tool mounting frame 3 is inserted into the positioning frame 2, through holes with the diameter of 20mm are concentrically aligned, a rotary positioning shaft 4 passes through the through holes, a hexagonal nut I5 fastens the rotary positioning shaft 4, the positioning frame 2 and the chamfering tool mounting frame 3 are assembled, and the chamfering tool mounting frame 3 rotates freely with the rotary positioning shaft 4;
the spring positioning pin 12 is mounted on the positioning plate 1 through M12 threads, at the moment, the spring 13 is sleeved on the spring positioning pin 12, and then the socket head cap screw II 11 (M6) passes through the chamfering tool mounting frame 3 to be fastened with the spring positioning pin 12;
the chamfering tool 17 is installed subsequently, the chamfering tool 17 is installed on the chamfering tool installation shaft 6, the end face of the adjusting pad 8 is pressed against the chamfering tool 17, the chamfering tool 17 is fastened by the aid of the hexagonal nut II 9, and then the chamfering tool installation shaft 6 is installed on the chamfering tool installation frame 3 and matched through the R10 arc groove;
finally, the chamfering tool mounting shaft 6 is fixed by using two socket head cap screws III 14 to prevent the chamfering tool mounting shaft from falling out, so that the whole assembly is completed.
The specific using method is as follows:
when the tool is used, the tool is mounted on a chuck of a machine tool, and a workpiece is clamped.
During processing, the main shaft starts to drive the workpiece to rotate slowly, the cutter is fed slowly along the radial direction of the X axis, the workpiece rotates slowly, the workpiece and the cutter can be smoothly meshed, the cutter continues to feed along the X axis, the chamfering tool mounting frame 3 compresses the spring 13 and contacts the positioning plate 1, and the cutter continues to feed to the chamfering size until chamfering processing is completed.
If the cutter is fed slowly, the external teeth of the cutter are contacted with the external teeth of the workpiece, and the chamfering tool mounting shaft 6 and the rotary positioning shaft 4 are designed to be eccentric by 5mm, so that the chamfering tool mounting frame 3 is extruded to rotate along with the continuous feeding of the cutter, and the cutter can automatically rotate and be correctly meshed with the workpiece due to the eccentric, so that the subsequent chamfering processing is completed.
The chamfering process is processed by the lathe, so that the rapid switching of workpieces is realized, the tool structure is designed in a universal way, the tool is suitable for processing of small batches of multiple varieties, and the problem that the processing efficiency is low due to the fact that the tool is only required to be replaced when the tool is required to be replaced in the prior art is solved.
Claims (5)
1. The utility model provides a derailleur gear frock structure for chamfer which characterized in that: the chamfering tool comprises a locating plate (1), a locating frame (2), a chamfering tool mounting frame (3), a rotary locating shaft (4), a chamfering tool mounting shaft (6), a spring locating pin (12), a spring (13) and a chamfering tool (17), wherein the locating plate (1) is fixed on the locating frame (2), the chamfering tool mounting frame (3) is rotationally connected onto the locating frame (2) through the rotary locating shaft (4), the spring locating pin (12) is provided with the spring (13), the screw penetrates through the chamfering tool mounting frame (3) to be fastened with one end of the spring locating pin (12), and the other end of the spring locating pin (12) is connected onto the locating plate (1) through threads; the chamfering tool (17) is fixed on a chamfering tool mounting shaft (6), and the chamfering tool mounting shaft (6) is mounted on the chamfering tool mounting frame (3).
2. A transmission gear chamfering tool structure as set forth in claim 1, wherein: one end of the spring positioning pin (12) is provided with a screw hole matched with the screw, and the other end is provided with external threads.
3. A transmission gear chamfering tool structure as set forth in claim 2, wherein: the chamfering tool mounting frame (3) compresses a spring (13) on the spring positioning pin (12) and is in contact with the positioning plate (1).
4. A transmission gear chamfering tool structure as set forth in claim 1, wherein: an adjusting pad (8) is arranged between the chamfering tool (17) and the chamfering tool mounting frame (3).
5. A transmission gear chamfering tool structure as set forth in claim 1, wherein: the sections of the locating rack (2) and the chamfering tool mounting rack (3) are of U-shaped structures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321438052.8U CN220278484U (en) | 2023-06-07 | 2023-06-07 | Frock structure for gearbox gear chamfering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321438052.8U CN220278484U (en) | 2023-06-07 | 2023-06-07 | Frock structure for gearbox gear chamfering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220278484U true CN220278484U (en) | 2024-01-02 |
Family
ID=89343699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321438052.8U Active CN220278484U (en) | 2023-06-07 | 2023-06-07 | Frock structure for gearbox gear chamfering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220278484U (en) |
-
2023
- 2023-06-07 CN CN202321438052.8U patent/CN220278484U/en active Active
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| GR01 | Patent grant |