Shaft hole semi-fine boring cutter for machining

Abstract

The utility model belongs to the technical field of machining tools, and particularly relates to a shaft hole semi-fine boring tool for machining. The first cutter body is arranged at the top of the cutter handle, and at least two first mounting parts are arranged at the top of the first cutter body; the second cutter body is arranged at the top of the first cutter body, and at least two second mounting parts are arranged at the top of the second cutter body; the first blades are arranged in the corresponding first mounting parts; according to the shaft hole semi-fine boring cutter for machining, the first blade is arranged in the first mounting part of the first cutter body, and the second blade is arranged in the second mounting part of the second cutter body, so that simultaneous machining or independent machining can be achieved during machining, and the cutter does not need to be replaced independently; therefore, the effects of reducing frequent cutter replacement and improving the machining efficiency are achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of mechanical processing tools, and in particular relates to a semi-finishing boring tool for machining shaft holes. Background Art

[0002] In the machining industry, semi-finishing of shaft holes is a critical and complex process, especially in situations where high precision is required, such as the machining of camshaft holes on diesel engine cylinder heads. The machining quality directly affects the overall performance and service life of the product.

[0003] In the traditional shaft hole processing process, especially in the semi-finishing stage, it is often necessary to frequently change the tool to adapt to different processing requirements, which not only increases the processing cost but also reduces production efficiency.

[0004] Therefore, in order to solve the above problems, it is necessary to design a semi-finishing boring tool for machining shaft holes. Utility Model Content

[0005] The utility model aims to provide a semi-finishing boring tool for machining shaft holes, so as to solve the technical problem of frequent tool replacement.

[0006] In order to solve the above technical problems, the utility model provides a semi-finishing boring tool for machining shaft holes, comprising:

[0007] knife handle;

[0008] A first blade body is arranged on the top of the blade handle, and at least two first mounting parts are provided on the top of the first blade body;

[0009] A second blade body is arranged on top of the first blade body, and has at least two second mounting portions on the top thereof;

[0010] a first blade disposed in a corresponding first mounting portion;

[0011] The second blade is arranged in the corresponding second mounting portion.

[0012] Furthermore, the two first mounting portions are arranged in a circular array;

[0013] The top of the first cutter body is provided with at least two first chip removal parts;

[0014] The two first chip removal parts are respectively communicated with the corresponding first mounting parts.

[0015] Furthermore, at least two reinforcing ribs are provided on the top of the first blade body;

[0016] One end surface of the reinforcing rib is flush with the side wall of the first chip removal portion; and

[0017] The other end surface of the reinforcing rib is flush with the side wall of the first mounting portion;

[0018] The reinforcing rib is suitable for supporting the first blade.

[0019] Furthermore, the two second mounting portions are arranged in a circular array;

[0020] The top of the second cutter body is provided with at least two second chip removal parts;

[0021] The two second chip removal parts are respectively communicated with the corresponding second mounting parts.

[0022] Furthermore, the first blade body is provided with at least two first avoidance portions; wherein

[0023] The first avoiding portion is in communication with the first mounting portion; and

[0024] The first avoidance portion is suitable for avoiding the tip of the first blade.

[0025] Furthermore, the second blade body is provided with at least two second avoidance portions; wherein

[0026] The second avoiding portion is in communication with the second mounting portion; and

[0027] The second avoidance portion is suitable for avoiding the tip of the second blade.

[0028] Furthermore, the side of the handle is provided with a flat surface;

[0029] The plane portion is suitable for limiting the position of the tool handle after installation.

[0030] Furthermore, the knife handle, the first knife body, the second knife body and the reinforcing ribs are integrally formed.

[0031] The beneficial effects of the utility model are:

[0032] (1) The utility model arranges the first blade in the first mounting portion of the first cutter body and the second blade in the second mounting portion of the second cutter body, so that the two can be processed simultaneously or separately without replacing the cutters separately, thereby reducing the frequency of tool replacement and improving processing efficiency.

[0033] Other features and advantages of the present invention will be described in the following description, and in part will become apparent from the description, or understood by practicing the present invention. The purpose and other advantages of the present invention are realized and obtained by the structures particularly pointed out in the description and the drawings.

[0034] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, preferred embodiments are given below and described in detail with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0036] Figure 1 It is an exploded view of a preferred embodiment of the entirety of the present invention;

[0037] Figure 2 It is a three-dimensional diagram of a preferred embodiment of the first blade body of the utility model;

[0038] Figure 3 It is a three-dimensional diagram of a preferred embodiment of the second blade body of the present invention.

[0039] In the picture:

[0040] The handle 1, the flat surface 11;

[0041] The first cutter body 2, the first mounting portion 21, the first chip removal portion 22, and the first avoidance portion 23;

[0042] The second cutter body 3, the second mounting portion 31, the second chip removal portion 32, and the second avoidance portion 33;

[0043] First blade 4, second blade 5, reinforcing rib 6. DETAILED DESCRIPTION

[0044] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts shall fall within the scope of protection of the present invention. Example 1

[0045] like Figures 1 to 3 As shown, this embodiment provides a semi-finishing boring tool for machining shaft holes, comprising:

[0046] A knife handle 1; a first knife body 2 arranged on the top of the knife handle 1, and having at least two first mounting parts 21 on the top thereof; a second knife body 3 arranged on the top of the first knife body 2, and having at least two second mounting parts 31 on the top thereof; a first blade 4, arranged in the corresponding first mounting part 21; a second blade 5, arranged in the corresponding second mounting part 31; wherein two of the first mounting parts 21 and the second mounting parts 31 are provided as the most preferred embodiment; wherein the first blade 4 and the first mounting part 21 are welded by, but not limited to welding; wherein the second blade 5 and the second mounting part 31 are welded by, but not limited to welding; wherein the first blade 4 and the first mounting part 21 are connected by, but not limited to, a movable connection; wherein the second blade 5 and the second mounting part 31 are connected by, but not limited to, a movable connection; wherein by adopting various methods such as welding or movable connection, the firmness of the connection is guaranteed or the replacement of the blade is facilitated.

[0047] The two first mounting portions 21 are arranged in a circular array; at least two first chip removal portions 22 are provided on the top of the first tool body 2; wherein the two first chip removal portions 22 are respectively connected to the corresponding first mounting portions 21; wherein the two first mounting portions 21 are arranged in a circular array, so that multiple blades can be cut simultaneously behind the first blade 4, thereby achieving the effect of balancing the cutting force, reducing vibration, and improving the processing stability; wherein the first chip removal portion 22 is provided, so that the chips can be discharged smoothly through the first chip removal portion 22, and at the same time, it is convenient for the cutting fluid to enter.

[0048] At least two reinforcing ribs 6 are provided on the top of the first tool body 2; wherein the end face of one end of the reinforcing rib 6 is flush with the side wall of the first chip removal part 22; and the other end face of the reinforcing rib 6 is flush with the side wall of the first mounting part 21; the reinforcing rib 6 is suitable for supporting the first blade 4; wherein the end face of one end of the reinforcing rib 6 is flush with the side wall of the first chip removal part 22, and the other end face of the reinforcing rib 6 is flush with the side wall of the first mounting part 21, thereby supporting the first blade 4, dispersing cutting stress, and preventing the first blade 4 from chipping, while not affecting chip removal and the installation of the first blade 4.

[0049] The two second mounting portions 31 are arranged in a circular array; at least two second chip removal portions 32 are provided on the top of the second cutter body 3; wherein the two second chip removal portions 32 are respectively connected to the corresponding second mounting portions 31; wherein the functions and effects of the second mounting portions 31 and the second chip removal portions 32 are consistent with the functions and effects of the first mounting portion 21 and the first chip removal portion 22, and are not described here.

[0050] At least two first avoidance portions 23 are provided on the first blade body 2; wherein the first avoidance portions 23 are connected to the first mounting portion 21; and the first avoidance portions 23 are suitable for avoiding the tip of the first blade 4; wherein by providing the first avoidance portions 23, the service life of the first blade 4 is extended, and the need for frequent blade replacement due to damage to the tip is reduced.

[0051] At least two second avoidance portions 33 are provided on the second blade body 3; wherein the second avoidance portions 33 are connected to the second mounting portion 31; and the second avoidance portions 33 are suitable for avoiding the tip of the second blade 5; wherein by providing the second avoidance portions 33, the service life of the second blade 5 is extended, and the need for frequent blade replacement due to damage to the tip is reduced.

[0052] A flat surface 11 is provided on the side of the tool handle 1; wherein the flat surface 11 is suitable for limiting the position of the tool handle 1 after installation; wherein, by providing the flat surface 11, the tool handle 1 can be limited in position when installed on a machine tool or other fixture, and the installation and positioning of the tool handle 1 is also facilitated.

[0053] The tool handle 1, the first tool body 2, the second tool body 3 and the reinforcing rib 6 are integrally formed; wherein the tool handle 1, the first tool body 2, the second tool body 3 and the reinforcing rib 6 are integrally formed, thereby achieving the effect of enhancing the overall rigidity of the tool and improving the processing accuracy.

[0054] In this embodiment, the first blade 4 is arranged in the first mounting portion 21 of the first blade body 2 and the second blade 5 is arranged in the second mounting portion 31 of the second blade body 3, so that processing can be carried out simultaneously or separately without replacing the tools separately, thereby reducing the frequent replacement of tools and improving processing efficiency.

[0055] The various devices selected in this application (components whose specific structures are not described) are all universal standard parts or components known to those skilled in the art, and their structures and principles can be known to those skilled in the art through technical manuals or conventional experimental methods.

[0056] In the description of the embodiments of the present invention, unless otherwise specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections or electrical connections; direct connections or indirect connections through an intermediate medium; and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on the specific circumstances.

[0057] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating positions or relationships, are based on the positions or relationships shown in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They do not indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0058] Based on the above-mentioned ideal embodiment of the present invention, and in accordance with the above description, relevant personnel can make various changes and modifications without departing from the technical scope of the present invention. The technical scope of the present invention is not limited to the content of the specification, but must be determined according to the scope of the claims.

Claims

1. A semi-finishing boring tool for machining shaft holes, characterized in that: include: Handle (1); A first blade body (2) is arranged on the top of the blade handle (1), and at least two first mounting portions (21) are provided on the top of the first blade body; A second blade body (3) disposed on top of the first blade body (2), with at least two second mounting portions (31) provided on the top; A first blade (4) is disposed in a corresponding first mounting portion (21); A second blade (5) is disposed in a corresponding second mounting portion (31); The two first mounting portions (21) are arranged in a circular array; The top of the first cutter body (2) is provided with at least two first chip removal portions (22); wherein The two first chip removal portions (22) are respectively communicated with corresponding first mounting portions (21); The top of the first blade (2) is provided with at least two reinforcing ribs (6); wherein One end surface of the reinforcing rib (6) is flush with the side wall of the first chip removal portion (22); and The other end surface of the reinforcing rib (6) is flush with the side wall of the first mounting portion (21); The reinforcing rib (6) is suitable for supporting the first blade (4); The two second mounting portions (31) are arranged in a circular array; The top of the second cutter body (3) is provided with at least two second chip removal parts (32); wherein The two second chip removal portions (32) are respectively communicated with corresponding second mounting portions (31).

2. A semi-finishing boring tool for machining shaft holes according to claim 1, characterized in that: At least two first avoidance portions (23) are provided on the first blade body (2); wherein The first avoidance portion (23) is in communication with the first mounting portion (21); and The first avoidance portion (23) is suitable for avoiding the tip of the first blade (4).

3. A semi-finishing boring tool for machining shaft holes as claimed in claim 2, characterized in that: The second blade (3) is provided with at least two second avoidance portions (33); wherein The second avoidance portion (33) is in communication with the second mounting portion (31); and The second avoidance portion (33) is suitable for avoiding the tip of the second blade (5).

4. A semi-finishing boring tool for machining shaft holes as claimed in claim 3, characterized in that: The side surface of the knife handle (1) is provided with a flat surface portion (11); wherein The plane portion (11) is suitable for the shank (1) after position limiting installation.

5. A semi-finishing boring tool for machining shaft holes as claimed in claim 4, characterized in that: The knife handle (1), the first knife body (2), the second knife body (3) and the reinforcing rib (6) are integrally formed.

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