CN218693958U

CN218693958U - Boring cutter for spigot chamfering

Info

Publication number: CN218693958U
Application number: CN202222077259.9U
Authority: CN
Inventors: 肖勇
Original assignee: Chongqing Chuannan Electromechanical Co ltd
Current assignee: Chongqing Chuannan Electromechanical Co ltd
Priority date: 2022-08-09
Filing date: 2022-08-09
Publication date: 2023-03-24
Anticipated expiration: 2032-08-09

Abstract

The application relates to a boring cutter for tang chamfer includes: the cutter body comprises a first cutter body and a second cutter body, the first cutter body is used for machining a first chamfer, and the second cutter body is used for machining a second chamfer; the tool apron comprises a fixing part and a balancing weight which are connected with each other, the first tool body is transversely arranged and mounted on the fixing part, the second tool body is vertically arranged and mounted on the fixing part, and tool tips of the first tool body and the second tool body are oppositely arranged; the fixed part is connected to one end of the knife handle. This application improves among the prior art processing tang structure's both sides chamfer and needs the tool changing for the productivity is not high relatively problem.

Description

Boring cutter for spigot chamfering

Technical Field

The application relates to the technical field of metal boring, in particular to a boring cutter for a spigot chamfer.

Background

The seam allowance is commonly called as a male seam allowance and a female seam allowance, the male seam allowance is a male seam allowance, the female seam allowance is a female seam allowance, and the male seam allowance is formed by a protruding short cylinder and an end face and is often used as a centering or connecting structure in a mechanical structure.

As shown in fig. 1, the seam allowance structure needs to be processed by a first chamfer 11 and a second chamfer 12, and when the inner diameter of the seam allowance structure is large, the boring tool in the prior art cannot usually bore the first chamfer 11 and the second chamfer 12 at one time, so that frequent tool changing is needed in the process of processing the first chamfer 11 and the second chamfer 12, and the productivity is relatively low.

Disclosure of Invention

Therefore, the boring cutter for the seam allowance chamfering is provided, and the problem that in the prior art, the chamfering at two sides of a seam allowance processing structure needs to be changed, so that the productivity is relatively low is solved.

A boring cutter for spigot chamfering, comprising:

the cutter body comprises a first cutter body and a second cutter body, the first cutter body is used for machining a first chamfer, and the second cutter body is used for machining a second chamfer;

the tool apron comprises a fixing part and a balancing weight which are connected with each other, the first tool body is transversely arranged and mounted on the fixing part, the second tool body is vertically arranged and mounted on the fixing part, and tool tips of the first tool body and the second tool body are oppositely arranged;

the fixed part is connected to one end of the knife handle.

In one embodiment, the tool apron comprises a connecting shaft, one end of the connecting shaft is connected to the fixing portion, and the other end of the connecting shaft is connected to the tool shank.

In one embodiment, a cooling channel is arranged in the connecting shaft, one end of the cooling channel penetrates through the tool shank, and the other end of the cooling channel extends to the first tool body so as to be used for cooling and discharging chips to the first tool body and the second tool body in the boring process.

In one embodiment, the fixing portion is a bar-shaped block structure, the weight block is an arc-shaped block structure, and an arc center of the weight block is disposed toward the fixing portion, and the weight block is mounted at an end of the fixing portion away from the first cutter body.

In one embodiment, the first tool body includes a first insert and a first toolholder mounted transversely to the fixed portion, the first insert being mounted to a side of the first toolholder remote from the counterweight.

In one embodiment, the second tool body comprises a second blade and a second tool holder, the second tool holder is arranged on one side of the fixing part far away from the balancing weight block, the second blade is arranged on the second tool holder, and a machining gap is formed between the second blade and the first blade.

To sum up, the boring cutter for tang chamfer of this application possesses following effect: the first cutter body is transversely installed on the fixing portion, the second cutter body is vertically installed on the fixing portion, the first cutter body and the second cutter body are integrated on the boring cutter, the cutter points of the first cutter body and the second cutter body are opposite, and when the boring cutter rotates, the two cutter points can machine a first chamfer and a second chamfer respectively, so that when a spigot structure is machined, frequent cutter changing is not needed, and production efficiency is improved.

Drawings

FIG. 1 is a partial schematic view of a docking station;

FIG. 2 is a schematic structural view of a boring cutter for chamfering a spigot in an embodiment of the present application;

FIG. 3 is a bottom view of the boring cutter for chamfering the spigot in the embodiment of the present application.

Reference numerals: 11. chamfering I; 12. chamfering II; 2. a cutter body; 21. a first cutter body; 211. a first blade; 212. a first tool holder; 22. a second blade body; 221. a second blade; 222. a second tool holder; 3. a tool apron; 31. a fixed part; 32. a balancing weight; 33. a connecting shaft; 4. a knife handle; 5. a cooling channel; 6. and (6) machining the gap.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

It should be noted that the illustrations provided in the present embodiments are only schematic illustrations of the basic idea of the present invention.

The drawings in the present specification illustrate only the structures, proportions, and dimensions of the invention, and are therefore not to be considered limiting, for the understanding and appreciation of those skilled in the art, but are not intended to limit the scope of the invention.

References in this specification to "upper", "lower", "left", "right", "middle", "longitudinal", "lateral", "horizontal", "inner", "outer", "radial", "circumferential", etc., indicate orientations and positional relationships based on those shown in the drawings, and are for convenience only to simplify the description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Referring to fig. 1, 2 and 3, the boring tool for spigot chamfering includes a tool body 2, a tool holder 3 and a tool holder 4. The cutter body 2 is used for processing a first chamfer 11 and a second chamfer 12 of a spigot structure, the cutter holder 3 is used as a main body supporting component for mounting the cutter body 2, the cutter holder 3 is mounted on the cutter handle 4, and the boring cutter can be mounted on external equipment through the cutter handle 4.

The tool apron 3 includes a fixing portion 31, a weight 32 and a connecting shaft 33, the fixing portion 31 is a strip-shaped block structure, the weight 32 is an arc-shaped block structure, an arc center of the weight 32 faces the fixing portion 31, the weight 32 and the fixing portion 31 are integrally formed, and the weight 32 is located at one end of the fixing portion 31 far away from the tool body 2. One end of the connecting shaft 33 is fixedly connected to the fixing portion 31, and the other end of the connecting shaft 33 is attached to the holder 4. The arc-shaped block structure is a plan view of the structure, which is a partial sector, and the partial sector of the weight 32 is a plan view formed by removing a sector with a larger diameter from a sector with a smaller diameter, and the volume of the weight 32 is increased by the partial sector.

Specifically, the fixing portion 31 and the weight 32 are made of 9CrSi and are processed by a heat treatment HRC 40-45.

With continued reference to fig. 2 and 3, the cutter body 2 includes a first cutter body 21 and a second cutter body 22, the first cutter body 21 is used for processing a first chamfer 11, the second cutter body 22 is used for processing a second chamfer 12, the first cutter body 21 is transversely arranged and mounted on the fixing portion 31, the second cutter body 22 is vertically arranged and mounted on the fixing portion 31, and the tool tips of the first cutter body 21 and the second cutter body 22 are arranged in opposite directions.

Specifically, the first cutter body 21 includes a first blade 211 and a first tool holder 212, the first blade 211 is mounted on a side of the first tool holder 212 away from the counterweight block 32 by screw locking, the first tool holder 212 is fixedly mounted on the fixing portion 31 by bolts, and the first tool holder 212 is transversely arranged. The second cutter body 22 comprises a second blade 221 and a second cutter holder 222, the second blade 221 is installed on the second cutter holder 222 in a locking mode through screws, the second cutter holder 222 is fixedly installed on one side, away from the balancing weight block 32, of the fixing portion 21 through bolts, the second cutter holder 222 is vertically arranged, a machining gap 6 is formed between the second blade 221 and the first blade 211, during machining, the edge of the spigot structure is clamped in the machining gap 6, therefore, the spigot structure can be simultaneously bored by the first blade 211 and the second blade 221 in the rotating process, and machining of a first chamfer 11 and a second chamfer 12 is completed.

More specifically, the first 212 and second 222 toolholders each employ the L08CA-09 specification, and the first 211 and second 221 inserts are diamond inserts and have the specification TCGT090204.

Referring to fig. 2 and 3, a cooling channel 5 is provided in the connecting shaft 33, the cooling channel 5 and the connecting shaft 33 are arranged coaxially, one end of the cooling channel 5 penetrates through the tool holder 4, so that the cooling channel 5 can be communicated with an external device, the other end of the cooling channel 5 extends to the first tool body 21, and the cooling channel 5 is provided with a branch channel which extends towards the first tool body 21 and is communicated with the external device, so as to cool and remove chips from the first tool body 21 and the second tool body 22 during the boring process.

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is specific and detailed, but not to be understood as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent application shall be subject to the appended claims.

Claims

1. A boring cutter for chamfering a spigot, comprising:

the cutter body (2), the cutter body (2) comprises a first cutter body (21) and a second cutter body (22), the first cutter body (21) is used for machining a first chamfer (11), and the second cutter body (22) is used for machining a second chamfer (12);

the tool apron (3) comprises a fixing part (31) and a balancing weight (32) which are connected with each other, the first tool body (21) is transversely arranged and mounted on the fixing part (31), the second tool body (22) is vertically arranged and mounted on the fixing part (31), and tool tips of the first tool body (21) and the second tool body (22) are oppositely arranged;

the cutter handle (4), fixed part (31) is connected in the one end of cutter handle (4).

2. The boring tool for chamfering the spigot according to claim 1, wherein the tool holder (3) includes a connecting shaft (33), one end of the connecting shaft (33) is connected to the fixing portion (31), and the other end of the connecting shaft (33) is connected to the tool holder (4).

3. The boring tool for the spigot chamfer according to claim 2, wherein a cooling channel (5) is arranged in the connecting shaft (33), one end of the cooling channel (5) penetrates through the shank (4), and the other end of the cooling channel (5) extends to the first tool body (21) so as to be used for cooling and discharging chips for the first tool body (21) and the second tool body (22) during the boring process.

4. The boring tool for chamfering spigot according to any one of claims 1 to 3, wherein the fixing portion (31) has a bar-shaped block structure, the weight block (32) has an arc-shaped block structure, an arc center of the weight block (32) is disposed toward the fixing portion (31), and the weight block (32) is mounted on an end of the fixing portion (31) away from the first cutter body (21).

5. The boring tool for chamfering the spigot according to any one of claims 1 to 3, wherein the first tool body (21) includes a first insert (211) and a first holder (212), the first holder (212) being transversely mounted to the fixing portion (31), the first insert (211) being mounted to a side of the first holder (212) remote from the counterweight (32).

6. The boring tool for chamfering the spigot according to claim 5, wherein the second tool body (22) includes a second insert (221) and a second tool holder (222), the second tool holder (222) is mounted to a side of the fixing portion (31) away from the weight block (32) and the second tool holder (222) is vertically disposed, the second insert (221) is mounted to the second tool holder (222), and a machining gap (6) is formed between the second insert (221) and the first insert (211).