CN220311789U

CN220311789U - Cutter structure

Info

Publication number: CN220311789U
Application number: CN202320223744.4U
Authority: CN
Inventors: 苏斌; 郭江波; 陕进军; 李占雷; 张勇; 许勇
Original assignee: Gree Wu'an Precision Equipment Manufacturing Co ltd; Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Wu'an Precision Equipment Manufacturing Co ltd; Gree Electric Appliances Inc of Zhuhai
Priority date: 2023-02-15
Filing date: 2023-02-15
Publication date: 2024-01-09
Anticipated expiration: 2033-02-15

Abstract

The utility model provides a cutter structure, which comprises a cutter head part, wherein the cutter head part is rotatably arranged; a blade member connected to the bit member, the blade member having a cutting edge for cutting a workpiece; the cutting edge is provided with a plurality of cutting boundaries, the plurality of cutting boundaries are used for being in contact with a workpiece, and the plurality of cutting boundaries are sequentially connected along the extending direction perpendicular to the tool bit part.

Description

Cutter structure

Technical Field

The utility model relates to the field of machining, in particular to a cutter structure.

Background

In the process of producing castings, an outer wall of the machine shell is met, and due to assembly requirements, the condition that leakage cannot occur under the pressure of 1.5mpa in a machine shell cavity is ensured, so that the sealing performance of holes or sealing end covers around the machine shell is high. In the actual product design process, in order to fully achieve the sealing effect, the shell is subjected to machining at different angles, namely the orifice part is required to be chamfered for a plurality of times in the actual machining process.

However, in order to machine a plurality of chamfers, a plurality of double-edged chamfering tools need to be customized for machining in the actual machining process, thereby causing problems of long machining waiting time and high cost.

Disclosure of Invention

The utility model mainly aims to provide a cutter structure for solving the problem that the cutter in the prior art is low in efficiency when processing a workpiece with a plurality of chamfers.

In order to achieve the above object, according to one aspect of the present utility model, there is provided a cutter structure comprising: the tool bit part is rotatably arranged; a blade member connected to the bit member, the blade member having a cutting edge for cutting a workpiece; the cutting edge has a plurality of cutting boundaries, and a plurality of cutting boundaries are all used for contacting with the work piece, and a plurality of cutting boundaries are connected in proper order along the direction of stretching that is perpendicular to the tool bit part.

Further, the cutter structure comprises: the first cutting boundary extends along a preset direction; the second cutting boundary is connected with the first cutting boundary, and a first preset included angle is formed between the extending direction of the second cutting boundary and the preset direction; the third cutting boundary is connected with one end, far away from the first cutting boundary, of the second cutting boundary, and a second preset included angle is formed between the extending direction of the third cutting boundary and the extending direction of the second cutting boundary.

Further, the first preset included angle is positioned at one side of the first cutting boundary and the second cutting boundary, which are far away from the body of the tool bit part, and the angle of the first preset included angle is a; wherein a is more than 180 degrees and less than 360 degrees; the second preset included angle is positioned at one side of the second cutting boundary and one side of the third cutting boundary, which are close to the body of the tool bit part, and the angle of the second preset included angle is b; wherein, 90 DEG < b < 180 deg.

Further, the cutter head component has a first connecting boundary and a second connecting boundary, the first cutting boundary is connected with the first connecting boundary, and the second cutting boundary is connected with the second connecting boundary; the first connecting boundary and the second connecting boundary are arranged in parallel, and the first connecting boundary and the second connecting boundary are both arranged perpendicular to the rotation axis of the tool bit part.

Further, the second connection boundary is located at a side of the first connection boundary remote from the rotational axis of the cutter member.

Further, the cutter head component comprises a first cutting surface and a second cutting surface which are connected with each other, and a plurality of cutting boundaries are positioned on the intersection line of the first cutting surface and the second cutting surface; wherein the first cutting surface and the rotational axis of the cutter head part are located on the same plane.

Further, the plurality of blade members are arranged on the cutter head member in a surrounding manner at intervals.

Further, the cutter head component comprises a plurality of mounting components, the blade components are arranged on the mounting components, the plurality of blade components are arranged in one-to-one correspondence with the plurality of mounting components, and the plurality of mounting components are arranged in a central symmetry manner by taking the rotation axis of the cutter head component as a symmetry axis; an avoidance groove is arranged between two adjacent mounting parts.

Further, the mounting member has a mounting groove, and the bit member is disposed on the mounting groove.

Further, the cutter structure is also provided with a cutter handle part, and the cutter handle part is connected with one end of the cutter head part far away from the blade part.

By applying the technical scheme of the utility model, the cutter structure comprises a cutter head part, and the cutter head part is rotatably arranged; a blade member connected to the bit member, the blade member having a cutting edge for cutting a workpiece; the cutting edge has a plurality of cutting boundaries, and a plurality of cutting boundaries are all used for contacting with the work piece, and a plurality of cutting boundaries are connected in proper order along the direction of stretching that is perpendicular to the tool bit part. By adopting the arrangement, the blade part is provided with the plurality of cutting boundaries, and each cutting boundary is manufactured and formed according to the shape of the specific machining part of the workpiece, so that the plurality of parts of the workpiece can be machined and formed once when the cutter structure is machined, the time for replacing cutters during machining is saved, the machining efficiency is improved, and the problem of low efficiency of the cutter in the prior art when machining the workpiece with a plurality of chamfers is solved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

fig. 1 shows a schematic structural view of an embodiment of the tool configuration of the present utility model;

FIG. 2 shows a side view of the tool configuration of the present utility model;

fig. 3 shows a schematic view of the blade structure of the tool structure of the present utility model.

Wherein the above figures include the following reference numerals:

10. cutting the boundary; 101. a first cutting boundary; 102. a second cutting boundary; 103. a third cutting boundary; 104. a first connection boundary; 105. a second connection boundary;

1. a cutter head component; 11. a first cutting surface; 12. a second cutting face; 13. a mounting member; 14. an avoidance groove; 2. a blade member; 3. a tool shank assembly.

Detailed Description

It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.

The cutter structure of the present embodiment, referring to fig. 1 to 3, includes: the tool bit part 1, the tool bit part 1 is rotatably arranged; a blade member 2, the blade member 2 being connected to the tool bit member 1, the blade member 2 having a cutting edge for cutting a workpiece; the cutting edge has a plurality of cutting edges 10, each of the plurality of cutting edges 10 being for contact with a workpiece, the plurality of cutting edges 10 being connected in sequence in a direction perpendicular to the extension of the cutter member 1. With the above arrangement, the blade member 2 is provided with the plurality of cutting edges 10, and each cutting edge 10 is formed according to the shape of a specific machining part of the workpiece, so that when the cutter structure is machined, the plurality of parts of the workpiece can be machined and formed at one time, thereby saving the time of changing the cutter during machining, improving the machining efficiency and solving the problem of low efficiency of the cutter in the prior art when machining the workpiece with a plurality of chamfers.

Referring to fig. 3, in the cutter structure of the present embodiment, the cutter structure includes: the first cutting boundary 101, the first cutting boundary 101 extending along a preset direction; the second cutting boundary 102, the second cutting boundary 102 is connected with the first cutting boundary 101, and a first preset included angle is formed between the extending direction of the second cutting boundary 102 and the preset direction; the third cutting boundary 103, the third cutting boundary 103 is connected with one end of the second cutting boundary 102 away from the first cutting boundary 101, and a second preset included angle is formed between the extending direction of the third cutting boundary 103 and the extending direction of the second cutting boundary 102.

By adopting the arrangement, the cutter structure of the embodiment integrates the traditional three chamfering processing tools with different angles into one cutter, so that the processing time is reduced to about 15s from the original 60s, and the efficiency is nearly 4 times.

Referring to fig. 3, in the cutter structure of the present embodiment, a first preset included angle is located on a side of the first cutting boundary 101 and the second cutting boundary 102 away from the body of the cutter member 1, and the angle of the first preset included angle is a; wherein a is more than 180 degrees and less than 360 degrees; the second preset included angle is positioned on one side of the second cutting boundary 102 and the third cutting boundary 103, which is close to the body of the tool bit part 1, and the angle of the second preset included angle is b; wherein, 90 DEG < b < 180 deg. In this way, the stability of the cutter can be improved, and the service life of the blade member 2 can be prolonged.

In the tool configuration of the present embodiment, referring to fig. 3, the tool bit member 1 has a first connecting boundary 104 and a second connecting boundary 105, the first cutting boundary 101 is connected with the first connecting boundary 104, and the second cutting boundary 102 is connected with the second connecting boundary 105; the first connecting boundary 104 and the second connecting boundary 105 are arranged parallel to each other, and the first connecting boundary 104 and the second connecting boundary 105 are arranged perpendicular to the rotation axis of the tool bit part 1.

Referring to fig. 3, in the tool configuration of the present embodiment, the second connecting boundary 105 is located on the side of the first connecting boundary 104 remote from the rotational axis of the tool bit member 1. In this way, the amount of machining of the tool structure can be reduced.

Referring to fig. 2, in the cutter structure of the present embodiment, the cutter member 1 includes a first cutting face 11 and a second cutting face 12 connected to each other, and a plurality of cutting boundaries 10 are located on intersections of the first cutting face 11 and the second cutting face 12; wherein the first cutting surface 11 is located on the same plane as the rotational axis of the cutter member 1.

In the cutter structure of the present embodiment, referring to fig. 2, the plurality of blade members 2 are provided in plural, the plurality of blade members 2 are circumferentially arranged on the cutter head member 1 at intervals.

Referring to fig. 2, in the cutter structure of the present embodiment, the cutter head member 1 includes a plurality of mounting members 13, the blade members 2 are provided on the mounting members 13, the plurality of blade members 2 are provided in one-to-one correspondence with the plurality of mounting members 13, and the plurality of mounting members 13 are provided in central symmetry with the rotation axis of the cutter head member 1 as a symmetry axis; between two adjacent mounting members 13, there is provided a relief groove 14.

In the cutter structure of the present embodiment, referring to fig. 2, the mounting member 13 has a mounting groove on which the cutter head member 1 is disposed.

Referring to fig. 1, in the cutter structure of the present embodiment, the cutter structure further has a cutter shaft member 3, and the cutter shaft member 3 is connected to an end of the cutter head member 1 remote from the blade member 2.

The cutter structure of this embodiment is described as follows:

the blade member 2 is manually welded to the cutter member 1, and then the first cutting boundary 101, the second cutting boundary 102, and the third cutting boundary 103 are ground by the numerical control knife grinder to the blade member 2, and then the holder member 3 is attached to the cutter member 1. During processing, the vertical machining center or the horizontal machining center is utilized to machine a bottom hole of a workpiece, then a cutter is replaced, and chamfering and one-time countersinking forming are realized by utilizing a cutter structure, so that 3 chamfering and one-time forming are realized, wherein in order to ensure the machining smoothness of the workpiece, the rotation is stopped at a certain data position, so that the smoothness of a sealing surface is ensured.

In order to ensure the stability of metal cutting and the requirements of mechanical property and processing precision, the manufacturing material of the cutter structure adopts carburized low carbon steel or low alloy steel, and the specific method is that the manufacturing part is placed in an active carburized medium, heated to a single-phase austenite region of 900-950 ℃, and kept for a sufficient time, so that the active carbon atoms decomposed in the carburized medium infiltrate into the surface layer of the steel part, thereby obtaining high carbon on the surface layer, and the original components of the core part are still maintained. The heat treatment process is a common heat treatment process for metal materials, can ensure that the surface of a workpiece permeated with carbon obtains high hardness, improves the wear resistance degree of the workpiece, ensures the strength and the wear resistance of a non-calibrated tool handle to meet the designed hardness requirement, and realizes the rust prevention treatment to a certain extent through the surface blackening process.

The cutter structure of the embodiment can improve the processing efficiency. The cost of a single workpiece is reduced.

From the above description, it can be seen that the above embodiments of the present utility model achieve the following technical effects:

the cutter structure of the utility model comprises: the tool bit part 1, the tool bit part 1 is rotatably arranged; a blade member 2, the blade member 2 being connected to the tool bit member 1, the blade member 2 having a cutting edge for cutting a workpiece; the cutting edge has a plurality of cutting edges 10, each of the plurality of cutting edges 10 being for contact with a workpiece, the plurality of cutting edges 10 being connected in sequence in a direction perpendicular to the extension of the cutter member 1. With the above arrangement, the blade member 2 is provided with the plurality of cutting edges 10, and each cutting edge 10 is formed according to the shape of a specific machining part of the workpiece, so that when the cutter structure is machined, the plurality of parts of the workpiece can be machined and formed at one time, thereby saving the time of changing the cutter during machining, improving the machining efficiency and solving the problem of low efficiency of the cutter in the prior art when machining the workpiece with a plurality of chamfers.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present application unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the authorization specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

In the description of the present application, it should be understood that, where azimuth terms such as "front, rear, upper, lower, left, right", "transverse, vertical, horizontal", and "top, bottom", etc., indicate azimuth or positional relationships generally based on those shown in the drawings, only for convenience of description and simplification of the description, these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present application; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

In addition, the terms "first", "second", etc. are used to define the components, and are merely for convenience of distinguishing the corresponding components, and unless otherwise stated, the terms have no special meaning, and thus should not be construed as limiting the scope of the present application.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A cutter structure, comprising:

a cutter head part (1), the cutter head part (1) being rotatably arranged;

a blade member (2), the blade member (2) being connected to the bit member (1), the blade member (2) having a cutting edge for cutting a workpiece; the cutting edge is provided with a plurality of cutting boundaries (10), the plurality of cutting boundaries (10) are used for contacting the workpiece, and the plurality of cutting boundaries (10) are sequentially connected along the extending direction perpendicular to the tool bit part (1);

the cutter structure comprises:

a first cutting boundary (101), the first cutting boundary (101) extending along a preset direction;

the second cutting boundary (102), the second cutting boundary (102) is connected with the first cutting boundary (101), and a first preset included angle is formed between the extending direction of the second cutting boundary (102) and the preset direction;

the third cutting boundary (103), the third cutting boundary (103) is connected with one end of the second cutting boundary (102) far away from the first cutting boundary (101), and a second preset included angle is formed between the extending direction of the third cutting boundary (103) and the extending direction of the second cutting boundary (102).

2. The tool structure according to claim 1, characterized in that the first preset included angle is located at a side of the first cutting boundary (101) and the second cutting boundary (102) remote from the body of the tool bit part (1), the first preset included angle being an angle a; wherein a is more than 180 degrees and less than 360 degrees; the second preset included angle is positioned on one side of the second cutting boundary (102) and one side of the third cutting boundary (103) close to the body of the tool bit part (1), and the angle of the second preset included angle is b; wherein, 90 DEG < b < 180 deg.

3. The tool structure according to claim 1, characterized in that the tool bit part (1) has a first connection boundary (104) and a second connection boundary (105), the first cutting boundary (101) being connected to the first connection boundary (104), the second cutting boundary (102) being connected to the second connection boundary (105); the first connecting boundary (104) and the second connecting boundary (105) are arranged in parallel, and the first connecting boundary (104) and the second connecting boundary (105) are arranged perpendicular to the rotation axis of the tool bit part (1).

4. A tool structure according to claim 3, characterized in that the second connection boundary (105) is located on the side of the first connection boundary (104) remote from the axis of rotation of the tool bit part (1).

5. The tool structure according to claim 1, wherein the tool bit member (1) comprises a first cutting face (11) and a second cutting face (12) connected to each other, a plurality of the cutting boundaries (10) being located at the intersection of the first cutting face (11) and the second cutting face (12); wherein the first cutting surface (11) and the rotation axis of the tool bit part (1) are located on the same plane.

6. The tool structure according to claim 1, wherein a plurality of the blade members (2) are provided, the plurality of the blade members (2) being circumferentially arranged on the tool bit member (1) at intervals.

7. The tool structure according to claim 6, wherein the tool bit member (1) includes a plurality of mounting members (13), the blade member (2) is disposed on the mounting members (13), the plurality of blade members (2) are disposed in one-to-one correspondence with the plurality of mounting members (13), and the plurality of mounting members (13) are disposed in central symmetry with respect to a rotation axis of the tool bit member (1) as a symmetry axis; a relief groove (14) is formed between two adjacent mounting parts (13).

8. The tool structure according to claim 7, characterized in that the mounting part (13) has a mounting groove, on which the tool bit part (1) is arranged.

9. A tool arrangement according to claim 1, characterized in that the tool arrangement further has a handle part (3), which handle part (3) is connected to an end of the tool bit part (1) remote from the blade part (2).