CN213317754U

CN213317754U - Novel cutter special for machining transmission main shaft cover plate

Info

Publication number: CN213317754U
Application number: CN202022285708.XU
Authority: CN
Inventors: 吴晓军; 杨阳; 刘俊
Original assignee: Hubei Huayang Auto Transmission System Co ltd
Current assignee: Hubei Huayang Auto Transmission System Co ltd
Priority date: 2020-10-14
Filing date: 2020-10-14
Publication date: 2021-06-01
Anticipated expiration: 2030-10-14

Abstract

The utility model discloses a novel cutter of processing gearbox main shaft apron is exclusively used in relates to automobile parts and makes technical field, and it includes handle of a knife and tool bit, and the both sides of tool bit are provided with the groove that link up of V-arrangement respectively along the axial, and one of them inside wall of just linking up the groove is provided with the cutting edge. The utility model discloses a with the PCD cutter of car main shaft looks adaptation, one-time processing can, need not to change the cutter, improved production efficiency and product quality.

Description

Novel cutter special for machining transmission main shaft cover plate

Technical Field

The utility model relates to an automobile parts makes technical field, and specifically a novel cutter of processing gearbox main shaft apron is exclusively used in.

Background

Referring to fig. 1, a main shaft cover plate of an automobile is arranged in a gearbox and plays a role of fixing a speed change gear main shaft, and a double-taper hole is required to be machined in the manufacturing process of the main shaft cover plate so as to be assembled with a spinal tube oil pipe. However, the existing machining mode needs 6 different cutters (two cone milling cutters, two cone reamers, one chamfer cutter and one face milling cutter) for matched machining, so that not only is the machining efficiency low, but also the problems of cutter jumping, repeated tool setting and the like are caused due to the frequent cutter replacement, the product quality is directly influenced, and the distances, the diameters and the angles from the end surfaces of the products to the depth of the taper holes of 6 and 24 are difficult to guarantee.

SUMMERY OF THE UTILITY MODEL

To the defect that exists among the prior art, the utility model aims to provide a novel cutter of processing gearbox main shaft apron is exclusively used in adopts the PCD cutter with car main shaft looks adaptation, and one-time processing can, need not to change the cutter, has improved production efficiency and product quality.

In order to achieve the above purpose, the utility model adopts the technical proposal that: the utility model provides a be exclusively used in novel cutter of processing gearbox main shaft apron, includes handle of a knife and tool bit, the both sides of tool bit are provided with the groove that link up of V-arrangement respectively along the axial, and link up one of them inside wall in groove and be provided with the cutting edge.

The further improvement lies in that: the knife handle, the knife head and the knife edge are made of PCD materials.

The further improvement lies in that: the tool bit is sequentially divided into a head section, a waist section and a tail section from front to back, and the head section, the waist section and the tail section are in a step shape with sequentially increasing outer diameters.

The further improvement lies in that: the part of the through groove, which is positioned at the tail section, is provided with an arc-shaped inclined plane, and the part of the cutting edge, which is positioned at the tail section, is provided with a discharging space.

The further improvement lies in that: the blade comprises a first blade section, a second blade section and a third blade section; the first blade part section is matched with the head part section, and the front end of the first blade part section is provided with a chamfer section; the second edge part section is matched with the waist part section, and a chamfer transition section is arranged between the second edge part section and the first edge part section; the third edge section is matched with the tail section, and an inclined transition section is arranged between the third edge section and the second edge section.

The further improvement lies in that: the front end of one of the through grooves is provided with a notch part, and the front end of the blade in the through groove is provided with an extension part matched with the notch part.

The further improvement lies in that: the two through grooves are arranged in central symmetry.

The further improvement lies in that: the edges of the blades extend out of the through grooves, and the extending lengths of the blades are equal.

The further improvement lies in that: the knife handle, the knife head and the knife edge are of an integrated structure.

The beneficial effects of the utility model reside in that:

the utility model discloses in, adopt with the PCD cutter of automobile main shaft looks adaptation (replaced traditional white steel material), one-time processing can, need not to change the cutter, improved production efficiency and product quality, machining efficiency is improved to 3.5 minutes/by 28 minutes/piece.

Drawings

FIG. 1 is a schematic diagram of a portion of a spindle cover plate to be machined according to the prior art;

fig. 2 is a front view of the novel cutter in the embodiment of the invention;

fig. 3 is a side view of the novel cutting tool in an embodiment of the present invention;

fig. 4 is a schematic structural view of a blade portion according to an embodiment of the present invention.

Reference numerals:

1-a knife handle;

2-a cutter head; 21-a head section; 22-waist section; 23-a tail section; 24-a through groove; 25-a cut-out; 26-a discharge space; 27-arc inclined plane;

3-a blade; 31-a first blade section; 32-a second blade section; 33-a third blade section; 34-a chamfer section; 35-chamfering the transition section; 36-a sloped transition section; 37-an extension.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout.

In the description of the present invention, it should be noted that, for the orientation words, such as the terms "center", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the orientation and the positional relationship are indicated based on the orientation or the positional relationship shown in the drawings, and the description is only for convenience of describing the present invention and simplifying the description, but not for indicating or implying that the device or the element referred to must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific protection scope of the present invention.

Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, the definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and "a plurality" or "a plurality" in the description of the invention means two or more unless a specific definition is explicitly provided.

The technical solution and the advantages of the present invention will be more clear and clear by further describing the embodiments of the present invention with reference to the drawings of the specification. The embodiments described below are exemplary and are intended to be illustrative of the present invention, but should not be construed as limiting the invention.

Referring to fig. 2 and 3, the embodiment of the utility model provides a novel cutter of processing gearbox main shaft apron is exclusively used in, including handle of a knife 1 and tool bit 2, the both sides of tool bit 2 are provided with the groove 24 that link up of V-arrangement respectively along the axial, and is concrete, and two link up groove 24 centrosymmetric settings. One of the inner side walls of the through groove 24 is provided with a blade 3. Specifically, the edges of the blades 3 extend from the through grooves 24 by the same length. The knife handle 1, the knife head 2 and the knife edge 3 are made of PCD materials, and the knife handle 1, the knife head 2 and the knife edge 3 are of an integrated structure.

Referring to fig. 2, the cutter head 2 is sequentially divided into a head section 21, a waist section 22 and a tail section 23 from front to back, and the head section 21, the waist section 22 and the tail section 23 are in a step shape with sequentially increasing outer diameters. In particular, the section of the through slot 24 located in the tail section 23 has an arcuate bevel 27 and the section of the blade 3 located in the tail section 23 has a discharge space 26. One of the through grooves 24 has a notch 25 at the tip thereof, and the blade 3 in the through groove 24 has an extension 37 fitted to the notch 25 at the tip thereof.

Referring to fig. 4, the blade 3 comprises a first blade section 31, a second blade section 32 and a third blade section 33; the first blade section 31 is matched with the head section 21, and the front end of the first blade section 31 is provided with a chamfer section 34; the second blade section 32 is matched with the waist section 22, and a chamfer transition section 35 is arranged between the second blade section 32 and the first blade section 31; the third blade section 33 is adapted to the tail section 23 and an inclined transition section 36 is provided between the third blade section 33 and the second blade section 32.

In the description of the specification, reference to the description of "one embodiment," "preferably," "an example," "a specific example" or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention, and schematic representations of the terms in this specification do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

With the above structure and principle in mind, those skilled in the art should understand that the present invention is not limited to the above embodiments, and all modifications and substitutions based on the present invention and adopting the known technology in the art are within the scope of the present invention, which should be limited by the claims.

Claims

1. The utility model provides a novel cutter of processing gearbox main shaft apron is exclusively used in, includes handle of a knife (1) and tool bit (2), its characterized in that: two sides of the cutter head (2) are respectively provided with a V-shaped through groove (24) along the axial direction, and one inner side wall of the through groove (24) is provided with a cutting edge (3).

2. The novel tool special for machining the transmission main shaft cover plate is characterized in that: the knife handle (1), the knife head (2) and the knife edge (3) are made of PCD materials.

3. The novel tool special for machining the transmission main shaft cover plate is characterized in that: the cutter head (2) is sequentially divided into a head section (21), a waist section (22) and a tail section (23) from front to back, and the head section (21), the waist section (22) and the tail section (23) are in a step shape with sequentially increasing outer diameters.

4. The novel tool special for machining the transmission main shaft cover plate is characterized in that: the part of the through groove (24) positioned on the tail section (23) is provided with an arc inclined surface (27), and the part of the blade (3) positioned on the tail section (23) is provided with a discharge space (26).

5. The novel tool special for machining the transmission main shaft cover plate is characterized in that: the blade (3) comprises a first blade section (31), a second blade section (32) and a third blade section (33); the first blade section (31) is matched with the head section (21), and the front end of the first blade section (31) is provided with a chamfer section (34); the second blade section (32) is matched with the waist section (22), and a chamfer transition section (35) is arranged between the second blade section (32) and the first blade section (31); the third blade section (33) is adapted to the tail section (23), and an inclined transition section (36) is arranged between the third blade section (33) and the second blade section (32).

6. The novel tool special for machining the transmission main shaft cover plate is characterized in that: a notch (25) is provided at the front end of one of the through grooves (24), and an extension (37) adapted to the notch (25) is provided at the front end of the blade (3) in the through groove (24).

7. The novel tool special for machining the transmission main shaft cover plate is characterized in that: the two through grooves (24) are arranged in a central symmetry way.

8. The novel tool special for machining the transmission main shaft cover plate is characterized in that: the edges of the blades (3) extend out of the through grooves (24) and have the same extension length.

9. The novel tool special for machining the transmission main shaft cover plate is characterized in that: the knife handle (1), the knife head (2) and the knife edge (3) are of an integrated structure.