CN213319020U - Silencing ring gear milling mandrel - Google Patents
Silencing ring gear milling mandrel Download PDFInfo
- Publication number
- CN213319020U CN213319020U CN202021820880.4U CN202021820880U CN213319020U CN 213319020 U CN213319020 U CN 213319020U CN 202021820880 U CN202021820880 U CN 202021820880U CN 213319020 U CN213319020 U CN 213319020U
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- China
- Prior art keywords
- ring
- positioning
- mandrel
- noise elimination
- silencing
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- 230000030279 gene silencing Effects 0.000 claims abstract description 32
- 230000008030 elimination Effects 0.000 claims abstract description 26
- 238000003379 elimination reaction Methods 0.000 claims abstract description 26
- 238000003754 machining Methods 0.000 claims abstract description 17
- 238000003801 milling Methods 0.000 claims abstract description 14
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000003638 chemical reducing agent Substances 0.000 abstract description 7
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 5
- 230000002452 interceptive effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
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Abstract
The utility model discloses a noise elimination ring mills tooth mandrel as the positioner of supplementary processing noise elimination ring, the processing requirement of noise elimination ring does, and the relative benchmark hole of terminal surface tooth on the noise elimination ring is evenly laid. In view of this, the silencing ring gear milling mandrel comprises a positioning mandrel, an annular pressing plate and a screw, wherein one end of the positioning mandrel is provided with a clamping part and is fixedly installed on a machining device for machining the silencing ring through the clamping part, the other end of the positioning mandrel is provided with a positioning inner hole, the silencing ring is assembled in the positioning inner hole, and the annular pressing plate is pressed on the outer side of the quasi inner hole of the silencing ring and is fixedly connected with the positioning mandrel through the screw. The utility model provides a noise elimination ring mills tooth mandrel adds man-hour to noise elimination ring face tooth, can carry out the clamping location to noise elimination ring, has solved the problem that clamping difficulty, precision are difficult to guarantee in the course of working to improve noise elimination ring's machining efficiency and processingquality, guaranteed heavy cross country vehicle chassis main reducer's performance from this field.
Description
Technical Field
The utility model relates to a noise elimination ring processing field, concretely relates to noise elimination ring mills tooth mandrel.
Background
The sound attenuation ring is a part of a differential assembly, and the differential assembly belongs to a part of a main speed reducer of a chassis of a heavy off-road vehicle. The silencing ring has the functions of reducing the noise of the differential mechanism and even the whole main speed reducer, reducing the rigid impact between internal parts of the main speed reducer and reducing the abrasion, thereby improving the performance of the main speed reducer and prolonging the service life.
The silencing ring has the problems of difficult clamping and difficult alignment of a reference inner hole during machining, and the factors restrict the machining efficiency and the machining quality of the silencing ring.
SUMMERY OF THE UTILITY MODEL
The utility model provides a positioner of supplementary processing noise elimination ring, noise elimination ring mill tooth mandrel has improved the machining efficiency and the processingquality of noise elimination ring effectively.
In order to achieve the above object, the utility model adopts the following technical scheme:
the end face teeth on the silencing ring are uniformly distributed relative to a reference inner hole, the silencing ring milling tooth mandrel comprises a positioning mandrel, an annular pressing plate and a screw, a clamping part is arranged at one end of the positioning mandrel, a positioning inner hole is formed in the other end of the positioning mandrel, the silencing ring is assembled in the positioning inner hole, and the annular pressing plate is pressed on the outer side of the positioning inner hole of the silencing ring and is fixedly connected with the positioning mandrel through the screw.
Preferably, the positioning mandrel is of a stepped cylindrical structure, the small-diameter end of the positioning mandrel is a clamping portion and is fixedly mounted on processing equipment for processing the silencing ring through the clamping portion, the end face of the clamping portion is a front face, a positioning inner hole is coaxially formed in the center of the large-diameter end, and a threaded hole is coaxially formed in the bottom of the positioning inner hole.
Preferably, the number of the threaded holes is three, the threaded holes are uniformly distributed along the circumferential direction, and the threaded holes are internally provided with hexagon socket head cap screws.
Preferably, the annular pressure plate is provided with a positioning excircle for assembling with the quasi inner hole of the silencing ring, and the annular pressure plate is provided with three groups of ring grooves for installing three hexagon socket head cap screws.
Preferably, the annular groove is provided with a large hole for penetrating through a cylindrical head of the socket head cap screw.
Preferably, the positioning mandrel is provided with a lightening hole in the center.
Due to the structure, the beneficial effects of the utility model reside in that:
1. the utility model provides a noise elimination ring mills tooth mandrel adds man-hour to noise elimination ring face tooth, can carry out the clamping location to noise elimination ring, has solved the problem that clamping difficulty, precision are difficult to guarantee in the course of working to improve noise elimination ring's machining efficiency and processingquality, guaranteed heavy cross country vehicle chassis main reducer's performance from this field.
2. The large hole arranged in the ring groove can prevent the head of the screw from interfering in the process of milling the teeth of the silencing ring, and meanwhile, the screw does not need to be unscrewed from the positioning mandrel, and the annular pressing plate can be quickly assembled and disassembled by adjusting the relative position of the annular pressing plate and the positioning mandrel.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below.
FIG. 1 is a schematic structural view of a sound dampening ring;
FIG. 2 is a schematic view of the overall structure of the present invention;
FIG. 3 is a cross-sectional view of FIG. 2;
FIG. 4 is a schematic view of the positioning mandrel of the present invention;
FIG. 5 is a cross-sectional view of FIG. 4;
FIG. 6 is a schematic structural view of the annular pressing plate of the present invention;
fig. 7 is a cross-sectional view of fig. 6.
Detailed Description
The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The model of the sound attenuation ring is shown in fig. 1, and the end face teeth 11 on the sound attenuation ring 1 have strict symmetry requirements relative to the reference inner hole 12, namely 16 end face teeth 11 are uniformly distributed relative to the reference inner hole 12. The machine tool for machining the noise elimination ring 1 is a vertical machining center VTC-20B, and in the numerical control gear milling Jb15 process step, the problems of difficult clamping and difficult alignment of a reference inner hole exist, and the factors restrict the machining efficiency and the machining quality of the noise elimination ring.
As shown in fig. 2 to 7, the present embodiment provides a milling gear spindle for a silencing ring, which is used as a positioning device for assisting in machining a silencing ring 1, and includes a positioning spindle 2, an annular pressing plate 3, and a screw 4, wherein one end of the positioning spindle 2 is provided with a clamping portion 21, the other end of the positioning spindle is provided with a positioning inner hole 22, the silencing ring 1 is assembled in the positioning inner hole 22, and the annular pressing plate 3 is pressed on the outer side of a quasi inner hole 12 of the silencing ring and is fixedly connected to the positioning spindle 2 through the screw 4.
In this embodiment, the positioning mandrel 2 is a stepped cylindrical structure, the small diameter end of the positioning mandrel is a clamping portion 21, the clamping portion 21 is fixedly mounted on a processing device for processing the silencing ring 1, the end surface of the clamping portion 21 is an alignment surface, a positioning inner hole 22 is coaxially formed in the center of the large diameter end, and a threaded hole 23 is coaxially formed in the bottom of the positioning inner hole 22.
In this embodiment, the number of the threaded holes 23 is three, and the threaded holes 23 are uniformly arranged along the circumferential direction, and the threaded holes 23 are internally provided with hexagon socket head cap screws 4.
In this embodiment, the annular pressing plate 3 is provided with a positioning outer circle 31 for assembling with the quasi inner hole 12 of the silencing ring, and three groups of ring grooves 32 for accommodating three hexagon socket head cap screws 4 are arranged on the annular pressing plate 3.
In this embodiment, a large hole 33 is formed in the ring groove 32 and is used for penetrating through a cylindrical head of the socket head cap screw 4, so as to prevent the head of the screw 4 from interfering in the process of milling the teeth of the sound-deadening ring 1, and at the same time, the ring-shaped pressure plate 3 can be quickly assembled and disassembled by adjusting the relative position of the ring-shaped pressure plate 3 and the positioning spindle 2 (the screw 4 can be quickly assembled and disassembled without being unscrewed from the positioning spindle 2).
In the present embodiment, the positioning mandrel 2 is provided with a lightening hole 24 in the center.
The working process principle of the structure is as follows:
before the numerical control gear milling Jb15 process step, the reference inner hole 12 (phi 95H10) on the noise elimination ring 1 needs to be machined to phi 80G7 (the process requirement is convenient for assembling with the device, and then the phi 80G7 is expanded to the final size phi 95H 10).
When the silencing ring 1 is machined, the silencing ring 1 is firstly assembled in a positioning inner hole 22 of a positioning mandrel 2; then, assembling the positioning excircle 31 on the annular pressure plate 3 with the reference inner hole 12 before the step of the noise elimination ring 1Jb15, and simultaneously assembling with the positioning inner hole 22 of the positioning mandrel 2; and then, three hexagon socket head cap screws 4 are used for clamping the annular pressing plate 3, the positioning mandrel 2 and the product silencing ring 1, so that the silencing ring 1 is integrated with the device in the embodiment in the process of machining the end face teeth 11, and finally, the clamping part 21 of the positioning mandrel 2 is clamped and aligned on a chuck of a vertical machining center VTC-20B and used as a machining reference of the VTC-20B, and the end face teeth 11 can be machined after alignment.
The silencing ring gear milling mandrel solves the problems that clamping is difficult and precision is difficult to guarantee in the machining process of end face teeth 11 of a silencing ring 1. By using the device, the noise elimination ring 1 can be quickly clamped and aligned, and the requirement of the symmetry degree of the 16 end face teeth 11 relative to the reference inner hole 12 of the noise elimination ring 1 is converted into, so that the processing efficiency and the processing quality of the noise elimination ring 1 are improved, and the performance of a main speed reducer of a chassis of a heavy off-road vehicle is guaranteed in the field.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a noise elimination ring mills tooth mandrel, the terminal surface tooth on the noise elimination ring is evenly laid relative benchmark hole, its characterized in that: the silencing device comprises a positioning mandrel, an annular pressing plate and a screw, wherein one end of the positioning mandrel is provided with a clamping part, the other end of the positioning mandrel is provided with a positioning inner hole, a silencing ring is assembled in the positioning inner hole, and the annular pressing plate is pressed on the outer side of the quasi inner hole of the silencing ring and is fixedly connected with the positioning mandrel through the screw.
2. The noise dampening ring gear milling spindle of claim 1, wherein: the positioning mandrel is of a stepped cylindrical structure, the small-diameter end of the positioning mandrel is a clamping part and is fixedly installed on machining equipment for machining the silencing ring through the clamping part, the end face of the clamping part is used for finding the front face, the center of the large-diameter end is coaxially provided with a positioning inner hole, and the bottom of the positioning inner hole is coaxially provided with a threaded hole.
3. The noise dampening ring gear milling spindle of claim 2, wherein: the threaded holes are three and are uniformly distributed along the circumferential direction, and hexagonal socket head cap screws are arranged in the threaded holes.
4. The noise dampening ring gear milling spindle of claim 3, wherein: the annular pressing plate is provided with a positioning excircle for assembling with the silencing ring group quasi inner hole, and three groups of ring grooves for loading three hexagon socket head cap screws are arranged on the annular pressing plate.
5. The noise dampening ring gear milling spindle of claim 4, wherein: the ring groove is internally provided with a large hole for penetrating through the cylindrical head of the socket head cap screw.
6. The noise dampening ring gear milling spindle of claim 1, wherein: and a lightening hole is formed in the center of the positioning mandrel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021820880.4U CN213319020U (en) | 2020-08-27 | 2020-08-27 | Silencing ring gear milling mandrel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021820880.4U CN213319020U (en) | 2020-08-27 | 2020-08-27 | Silencing ring gear milling mandrel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213319020U true CN213319020U (en) | 2021-06-01 |
Family
ID=76100731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021820880.4U Active CN213319020U (en) | 2020-08-27 | 2020-08-27 | Silencing ring gear milling mandrel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213319020U (en) |
-
2020
- 2020-08-27 CN CN202021820880.4U patent/CN213319020U/en active Active
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