CN218325736U - Gear rolling transmission spline with pressure reduction groove - Google Patents
Gear rolling transmission spline with pressure reduction groove Download PDFInfo
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- CN218325736U CN218325736U CN202222142840.4U CN202222142840U CN218325736U CN 218325736 U CN218325736 U CN 218325736U CN 202222142840 U CN202222142840 U CN 202222142840U CN 218325736 U CN218325736 U CN 218325736U
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Abstract
The utility model discloses a gear rolling transmission spline with pressure reducing grooves, which comprises a connecting piece and a shaft body, wherein the shaft center of the connecting piece is provided with a connecting shaft, the shaft body is coaxially connected with the connecting shaft, the outer surface of the shaft body is provided with a plurality of annularly distributed spline teeth, and the side wall of the spline teeth is provided with a plurality of annularly distributed pressure reducing grooves; an annular pressure reduction groove is designed on the spline teeth, the extrusion force of each tooth can be dispersed into the pressure reduction groove in the process of forming the gear rolling, and the extrusion force of the gear rolling can be greatly reduced; lubricating grease can be stored in the annular pressure reducing groove, so that the abrasion resistance of the spline is improved; and the gear rolling is a cold extrusion molding process, material removing processing is not needed, and gear milling is material removing processing. Therefore, the processing steps are reduced, the processing efficiency is improved, the diameter of the spline tooth blank can be reduced, and the material cost is reduced.
Description
Technical Field
The utility model relates to a spline technical field specifically is a take rolling teeth transmission spline of relief groove.
Background
The existing spline tooth forming modes mainly comprise two modes of milling and rolling. The gear milling process has the advantage of being capable of machining large-size splines, but is low in efficiency. The gear rolling process has high efficiency which is more than 10 times of the gear milling efficiency, but the gear rolling process is limited by equipment power, a modulus, a length and a diameter of a spline, and only the spline with a smaller specification can be processed.
At present, the spline of the transmission shaft of the domestic light truck mainly adopts a gear milling process due to large specification, the abrasion of processing equipment is large, and the processing steps are multiple, so that the processing efficiency is low.
SUMMERY OF THE UTILITY MODEL
This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the abstract and the title of the present application to avoid obscuring the purpose of this section, the abstract and the title of the present application, and such simplifications or omissions cannot be used to limit the scope of the present invention.
The present invention has been made in view of the above and/or other problems that exist in the use of the prior art screw following support transmission structure.
Therefore, the utility model aims at providing a take gear rolling transmission spline of relief groove can reduce the processing step, improves machining efficiency to spline tooth blank diameter can reduce, reduces material cost, has promoted material utilization rate.
For solving the technical problem, according to the utility model discloses an aspect, the utility model provides a following technical scheme:
a gear rolling transmission spline with a pressure reducing groove comprises:
the connecting shaft is arranged at the axis of the connecting piece;
the axis body, axis body and connecting axle coaxial coupling, the surface of axis body is provided with a plurality of annular spline teeth that distribute, the lateral wall of spline tooth is provided with a plurality of annular decompression grooves.
As a take gear rolling transmission spline's of relief groove preferred scheme, wherein, the lateral wall that the connecting axle was kept away from to the connecting piece sets up connecting portion, the juncture of connecting piece and connecting axle is provided with first chamfer.
As a take the preferred scheme of gear rolling transmission spline of relief groove, wherein, the juncture of axis body and connecting axle is provided with the second chamfer.
As a take gear rolling transmission spline's of relief groove preferred scheme, wherein, the spline tooth is provided with the transition respectively along the axial both ends of axis body domatic, the inside of relief groove is provided with outside inclined plane relatively.
As an optimal selection scheme of a gear rolling transmission spline of area relief groove, wherein, the spline modulus of axis body is 1.5, the quantity of annular relief groove is 3-4.
Compared with the prior art, the utility model discloses the beneficial effect who has is: according to the gear rolling transmission spline with the pressure reduction groove, spline teeth are processed through a gear rolling forming process, the modulus of the spline is 1.5, and the extrusion force borne by equipment is small during gear rolling, so that the forming is easy; an annular pressure reduction groove is designed on the spline teeth, the extrusion force of each tooth can be dispersed into the pressure reduction groove in the process of forming the gear rolling, and the extrusion force of the gear rolling can be greatly reduced; lubricating grease can be stored in the annular pressure reducing groove, so that the abrasion resistance of the spline is improved; and the gear rolling is a cold extrusion molding process, material removing processing is not needed, and gear milling is material removing processing. Therefore, processing steps are reduced, processing efficiency is improved, the diameter of the spline tooth blank can be reduced, material cost is reduced, and material utilization rate is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the present invention will be described in detail with reference to the accompanying drawings and detailed embodiments, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor. Wherein:
fig. 1 is a schematic view of the overall structure of the gear rolling transmission spline with the pressure reducing groove of the present invention;
fig. 2 is a schematic side view of the gear rolling transmission spline with the pressure reduction groove of the present invention.
Fig. 3 is a schematic view of a top view portion of the gear rolling transmission spline with the pressure reduction groove of the present invention.
100. A connecting member; 110. a connecting portion; 120. a first chamfer; 200. a shaft body; 210. a connecting shaft; 211. a second chamfer; 220. spline teeth; 221. a transitional slope surface; 230. an annular pressure relief groove; 231. an inclined surface.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below.
Next, the present invention will be described in detail with reference to the schematic drawings, and in order to describe the embodiments of the present invention in detail, the sectional views showing the device structure will not be enlarged partially in general scale, and the schematic drawings are only examples, which should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.
To make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
The utility model provides a take gear rolling transmission spline of relief groove reduces the processing step, improves machining efficiency to spline tooth blank diameter can reduce, and reduce material cost has promoted material utilization rate.
Fig. 1 to 3 are schematic structural views illustrating an embodiment of a rolling tooth transmission spline with a pressure relief groove according to the present invention, and referring to fig. 1 to 3, a main body of the rolling tooth transmission spline with a pressure relief groove of the present embodiment includes a connecting member 100 and a shaft body 200.
The connecting piece 100 is connected with the transmission shaft through the connecting part 110, the connecting shaft 210 and the shaft body 200 are integrally formed, the strength is high, the precision is high, the bending resistance between the connecting piece 100 and the connecting shaft 210 is improved through the arrangement of the first chamfer 120, specifically, the connecting shaft 210 is arranged at the axis of the connecting piece 100, in the embodiment, the connecting part 110 is arranged on the side wall of the connecting piece 100 away from the connecting shaft 210, and the first chamfer 120 is arranged at the junction of the connecting piece 100 and the connecting shaft 210;
the shaft body 200 is processed into spline teeth 220 through a gear rolling forming process, the modulus of the spline is 1.5, and the extrusion force of equipment is small during gear rolling, so that the forming is easy; an annular pressure reduction groove 230 is designed on the spline teeth 220, so that the extrusion force of each tooth can be dispersed into the pressure reduction groove in the gear rolling forming process, and the extrusion force of gear rolling can be greatly reduced; grease can be stored in the annular pressure relief groove 230, which contributes to the improvement of the wear resistance of the spline; and the gear rolling is a cold extrusion molding process, material removing processing is not needed, and the gear milling is material removing processing. The gear milling process is replaced by a gear rolling process, the diameter of a blank of the spline teeth 220 can be reduced, the material cost is reduced, the material utilization rate is improved, and specifically, the shaft body 200 is coaxially connected with the connecting shaft 210, a plurality of spline teeth 220 distributed in an annular shape are arranged on the outer surface of the shaft body 200, a plurality of annular pressure reduction grooves 230 are formed in the side walls of the spline teeth 220, in the embodiment, a second chamfer 211 is arranged at the junction of the shaft body 200 and the connecting shaft 210, transition slope surfaces 221 are respectively arranged at the spline teeth 220 along the two axial ends of the shaft body 200, outward inclined surfaces 231 are oppositely arranged inside the pressure reduction grooves, the spline modulus of the shaft body 200 is 1.5, and the number of the annular pressure reduction grooves 230 is 3-4.
With reference to fig. 1-2, in the present embodiment, the rolling tooth transmission spline with a pressure reduction groove is specifically used in a process of processing spline teeth 220 by a rolling tooth forming process, a modulus of the spline is 1.5, and extrusion force applied to equipment during rolling teeth is small, so that the rolling teeth are easy to form; an annular pressure reduction groove 230 is designed on the spline teeth 220, and the extrusion force of each tooth can be dispersed into the pressure reduction groove in the process of forming the gear rolling, so that the extrusion force of the gear rolling can be greatly reduced; grease can be stored in the annular pressure relief groove 230, which contributes to the improvement of the wear resistance of the spline; and the gear rolling is a cold extrusion molding process, material removing processing is not needed, and the gear milling is material removing processing. Therefore, the processing steps are reduced, the processing efficiency is improved, the diameter of the blank of the spline tooth 220 can be reduced, the material cost is reduced, and the material utilization rate is improved.
While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the disclosed embodiments of the present invention can be used in any combination with each other, and the non-exhaustive description of these combinations in this specification is merely for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (5)
1. The utility model provides a take gear rolling transmission spline of relief groove which characterized in that includes:
the connecting piece (100), the axle center of the connecting piece (100) is provided with a connecting shaft (210);
the shaft body (200), shaft body (200) and connecting axle (210) coaxial coupling, the surface of shaft body (200) is provided with a plurality of annular distribution's spline tooth (220), the lateral wall of spline tooth (220) is provided with a plurality of annular decompression grooves (230).
2. The gear rolling transmission spline with the pressure relief groove as claimed in claim 1, wherein the connecting piece (100) is provided with a connecting portion (110) at a side wall away from the connecting shaft (210), and a first chamfer (120) is provided at a junction of the connecting piece (100) and the connecting shaft (210).
3. The gear rolling transmission spline with the pressure relief groove as claimed in claim 2, wherein a second chamfer (211) is arranged at the junction of the shaft body (200) and the connecting shaft (210).
4. The gear rolling transmission spline with the pressure reducing groove according to claim 3, wherein the spline teeth (220) are respectively provided with transition slope surfaces (221) at two axial ends of the shaft body (200), and the pressure reducing groove is oppositely provided with outward inclined surfaces (231) inside.
5. The gear rolling transmission spline with the pressure relief grooves according to claim 4, wherein the modulus of the spline of the shaft body (200) is 1.5, and the number of the annular pressure relief grooves (230) is 3-4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222142840.4U CN218325736U (en) | 2022-08-16 | 2022-08-16 | Gear rolling transmission spline with pressure reduction groove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222142840.4U CN218325736U (en) | 2022-08-16 | 2022-08-16 | Gear rolling transmission spline with pressure reduction groove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218325736U true CN218325736U (en) | 2023-01-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222142840.4U Active CN218325736U (en) | 2022-08-16 | 2022-08-16 | Gear rolling transmission spline with pressure reduction groove |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116197332A (en) * | 2023-05-05 | 2023-06-02 | 江苏海宇机械有限公司 | Automatic gear rolling machine for gears |
-
2022
- 2022-08-16 CN CN202222142840.4U patent/CN218325736U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116197332A (en) * | 2023-05-05 | 2023-06-02 | 江苏海宇机械有限公司 | Automatic gear rolling machine for gears |
| CN116197332B (en) * | 2023-05-05 | 2023-07-07 | 江苏海宇机械有限公司 | Automatic gear rolling machine for gears |
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