Molding cutter for machining oil nozzle of automobile transmission

Abstract

The utility model relates to the technical field of cutters, in particular to a forming cutter for machining an oil nozzle of an automobile transmission, which comprises a cutter handle part, a cutter tooth part is arranged on the left side of the cutter handle part, a front cutting edge and a groove body are respectively arranged on the outer side of the cutter tooth part, and a connecting part is arranged on the right side of the front cutting edge. According to the forming tool for machining the oil nozzle of the automobile transmission, by means of the structural design of the front cutting edge, the rear cutting edge and the connecting part, the cutting output of each cutting edge can be effectively reduced by adopting a four-edge structure, the roughness of the outer contour surface of the oil nozzle is improved, and the machining precision of the oil nozzle is improved. And meanwhile, under the arc connection of the front cutting edge, the rear cutting edge and the connecting part, the sealing effect when the oil nozzle is connected with a subsequent part can be improved, so that the machining efficiency of the cutter is improved, the profile tolerance of the oil nozzle is ensured, and the machining qualification rate of the cutter is improved.

Description

Technical Field

[0001] This utility model relates to the field of cutting tool technology, specifically a forming tool for machining automotive transmission oil nozzles. Background Technology

[0002] With the rapid development of new energy vehicles, the processing of new energy vehicle components is now subject to increasingly stringent requirements for efficiency and precision. New energy transmissions are generally made of aluminum alloy. As the connecting channel for transmission oil in and out of the transmission, to ensure a tight connection and seal with the pipelines, the oil nozzle typically adopts a non-standard molded design structure with a smaller outer side and a larger inner side. The inner and outer ends of the nozzles are smoothly transitioned, requiring a high degree of precision in their contours. Furthermore, to ensure a seal, the outer surface of the oil nozzle must have a roughness of no less than Ra0.4.

[0003] Currently, a forming tool used for machining automotive transmission oil nozzles typically involves two machining processes: roughing and finishing, to ensure the surface roughness of the nozzle opening. This requires six specialized tools to process the nozzle in multiple stages, resulting in poor machining efficiency and high tool costs. Furthermore, because the nozzle opening is machined in multiple stages with six tools, the accuracy of repeatability positioning, the design precision of different tools, and wear differences can easily lead to a low profile pass rate for the nozzle opening, causing parts to be easily scrapped or reworked.

[0004] In summary, this utility model solves the problems in the background art by designing a forming tool for machining automotive transmission oil nozzles. Utility Model Content

[0005] The purpose of this invention is to provide a forming tool for machining automotive transmission oil nozzles, in order to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A forming tool for machining automotive transmission oil nozzles includes a tool holder, a toothed portion on the left side of the tool holder, a front cutting edge and a groove on the outer side of the toothed portion, a connecting portion on the right side of the front cutting edge, and a rear cutting edge on the right side of the connecting portion.

[0008] As a preferred embodiment of this utility model, there are four front cutting edges, which are distributed in a ring at equal intervals about the left center of the cutting tooth portion.

[0009] As a preferred embodiment of this utility model, the cross-sectional shape of the groove is a straight structure.

[0010] As a preferred embodiment of this utility model, the angle of the front cutting edge is greater than the angle of the rear cutting edge.

[0011] As a preferred embodiment of this utility model, the connection between the front cutting edge and the connecting part is set in an arc.

[0012] As a preferred embodiment of this utility model, the connection between the rear cutting edge and the connecting part is set in an arc.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] In this invention, a forming tool for machining automotive transmission oil nozzles is designed with a front cutting edge, a rear cutting edge, and a connecting part. The four-flute structure effectively reduces the cutting amount of each cutting edge, improves the roughness of the outer contour surface of the oil nozzle, and enhances the sealing effect when the oil nozzle is connected to subsequent parts by the arc connection between the front cutting edge, the rear cutting edge, and the connecting part. This improves the machining efficiency of the tool, ensures the contour of the oil nozzle, and increases the machining qualification rate of the tool. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0016] Figure 2 This is a schematic diagram of the left side structure of the cutting tool of this utility model;

[0017] Figure 3 This is a front structural diagram of the cutting tool of this utility model.

[0018] In the diagram: 1. Handle; 2. Tooth; 3. Front cutting edge; 4. Groove; 5. Connecting part; 6. Back cutting edge. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0020] To facilitate understanding of this utility model, a more comprehensive description of the utility model will be given below with reference to the accompanying drawings, and several embodiments of the utility model will be provided. However, the utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and complete.

[0021] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or there may be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or there may be an intervening element. The terms "vertical," "horizontal," "left," "right," and similar expressions used in this document are for illustrative purposes only.

[0022] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0023] For examples, please refer to Figure 1-3 This utility model provides a technical solution:

[0024] A forming tool for machining automotive transmission oil nozzles includes a tool holder 1, a toothed portion 2 on the left side of the tool holder 1, a front cutting edge 3 and a groove 4 on the outer side of the toothed portion 2, a connecting portion 5 on the right side of the front cutting edge 3, and a rear cutting edge 6 on the right side of the connecting portion 5.

[0025] Specifically, there are four front cutting edges 3, which are distributed in a ring at equal intervals about the left center of the toothed part 2. The angle of the front cutting edges 3 is greater than the angle of the rear cutting edges 6. The connection between the front cutting edges 3 and the connecting part 5 is set in an arc, and the connection between the rear cutting edges 6 and the connecting part 5 is set in an arc.

[0026] In this implementation plan, such as Figure 3 As shown, the angle between the front cutting edges 3 is α, which is 60 degrees, and the angle between the rear cutting edges 6 is β, which is 30 degrees. By combining the front cutting edges 3 and the rear cutting edges 6, the roughness of the outer surface of the oil nozzle can be improved. The connection part 5 ensures the smoothness of the connection between the front cutting edges 3 and the rear cutting edges 6, which facilitates the sealing connection between the oil nozzle and the part.

[0027] Specifically, the cross-sectional shape of the tank 4 is a straight structure;

[0028] In this embodiment, the straight-line arrangement of the groove 4 can improve the rigidity of the tool, avoid tool breakage or chipping, and also facilitate chip removal.

[0029] The working process of this utility model is as follows: When using a forming tool for machining automotive transmission oil nozzles, the four front cutting edges 3 effectively reduce the cutting amount on each tooth surface, improving tool life and stability during use. The chips generated during cutting are discharged from the oil nozzle through the groove 4. As the cutting teeth 2 move, the rear cutting edge 6 gradually contacts the inner wall of the oil nozzle, further machining the inner wall and improving the roughness of the oil nozzle's contour surface. This ensures the sealing of the oil nozzle connection to the outer tube. At the same time, the arc setting between the connecting part 5 and the front cutting edges 3 and rear cutting edges 6 ensures a smooth connection at the inner wall of the oil nozzle, improving the sealing when the oil nozzle is connected to subsequent parts. This greatly improves processing efficiency and meets the user's needs.

[0030] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A forming tool for machining of oil nozzle ports of automobile gearboxes, comprising a shank portion (1), characterized in that: The left side of the tool shank (1) is provided with a tool tooth part (2), the outer side of the tool tooth part (2) is respectively provided with a front cutting edge (3) and a groove body (4), the right side of the front cutting edge (3) is provided with a connecting part (5), and the right side of the connecting part (5) is provided with a rear cutting edge (6).

2. A forming tool for machining of oil nozzle port of an automotive gearbox according to claim 1, characterized in that: The front cutting edge (3) is four, and the four front cutting edges (3) are annularly and equidistantly distributed about the left side center of the tool tooth part (2).

3. A forming tool for machining of oil nozzle port of an automotive gearbox according to claim 1, characterized in that: The cross-sectional shape of the groove body (4) is a linear structure.

4. The forming tool for machining the oil nozzle port of an automobile transmission according to claim 1, characterized in that: The angle of the front cutting edge (3) is greater than that of the rear cutting edge (6).

5. A forming tool for machining of oil nozzle port of an automobile transmission case according to claim 1, characterized in that: The connection between the front cutting edge (3) and the connecting part (5) is provided in a circular arc.

6. A forming tool for machining of oil nozzle port of an automobile transmission case according to claim 1, characterized in that: The connection between the rear cutting edge (6) and the connecting part (5) is provided in a circular arc.

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