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CN113305336A - Dovetail groove machining method - Google Patents

Dovetail groove machining method Download PDF

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Publication number
CN113305336A
CN113305336A CN202110720654.1A CN202110720654A CN113305336A CN 113305336 A CN113305336 A CN 113305336A CN 202110720654 A CN202110720654 A CN 202110720654A CN 113305336 A CN113305336 A CN 113305336A
Authority
CN
China
Prior art keywords
dovetail groove
mounting portion
tool
workbench
mounting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202110720654.1A
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Chinese (zh)
Inventor
何平
秦启书
李国清
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Saili Precision Technology Co ltd
Original Assignee
Zhejiang Saili Precision Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhejiang Saili Precision Technology Co ltd filed Critical Zhejiang Saili Precision Technology Co ltd
Priority to CN202110720654.1A priority Critical patent/CN113305336A/en
Publication of CN113305336A publication Critical patent/CN113305336A/en
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23C—MILLING
    • B23C3/00—Milling particular work; Special milling operations; Machines therefor
    • B23C3/28—Grooving workpieces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23C—MILLING
    • B23C3/00—Milling particular work; Special milling operations; Machines therefor
    • B23C3/28—Grooving workpieces
    • B23C3/34—Milling grooves of other forms, e.g. circumferential
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
    • B23Q1/25—Movable or adjustable work or tool supports

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Milling Processes (AREA)

Abstract

The invention provides a dovetail groove processing method, which comprises a workbench and a machine head, wherein a workpiece is arranged on the workbench and is clamped on the workbench; the processing method comprises the following steps: s1, placing and fixing the workpiece on the workbench; s2, a square groove milling cutter on the first tool rest is used for cutting a plurality of square grooves on the workpiece; s3, withdrawing the square groove milling cutter, aligning the inclined cutter of the first mounting part of the second cutter frame with one side of the square groove and scraping one side of the square groove by a set depth h; s4, when retracting, the inclined cutter of the second installation part of the second cutter rest and the other side of the square groove are adjusted and the other side of the square groove is scraped by a set depth h; and repeating the steps S3 and S4 until a dovetail groove with set specifications is formed.

Description

Dovetail groove machining method
Technical Field
The invention relates to a dovetail groove machining method.
Background
The existing dovetail groove with the length of more than 6 meters for the high-speed rail is generally processed and formed in a casting mode, but after the dovetail groove is formed in the casting mode, the dovetail groove is installed in a large gap, and the dovetail groove cannot meet the operating use standard of the high-speed rail.
Disclosure of Invention
In order to solve the problems, the invention provides a dovetail groove processing method, and aims to solve the problem of production and processing of an ultra-long dovetail groove.
The invention provides a dovetail groove processing method, which comprises a workbench and a machine head, wherein a workpiece is arranged on the workbench and is clamped on the workbench; the processing method comprises the following steps:
s1, placing and fixing the workpiece on the workbench;
s2, a square groove milling cutter on the first tool rest is used for cutting a plurality of square grooves on the workpiece;
s3, the square groove milling cutter is withdrawn, and the inclined cutter of the first mounting part of the second tool rest scrapes one side of the square groove to a set depth h;
s4, when retracting, the inclined cutter of the second installation part of the second cutter rest scrapes the other side of the square groove to set depth h;
and repeating the steps S3 and S4 until a dovetail groove with set specifications is formed.
In one or more embodiments, the first mounting portion is stepped from left to right, and the first mounting portion is inclined forward from top to bottom.
In one or more embodiments, the mounting surface of the first mounting portion is inclined rearward from the feed start end to the terminal end, and the first mounting portion is provided with a first mounting groove and a plurality of first screw holes.
In one or more embodiments, the second mounting portion is stepped from left to right, and the second mounting portion is inclined forward from top to bottom.
In one or more embodiments, the second mounting portion is provided with a second mounting groove and a plurality of second screw holes.
In one or more embodiments, the mounting surface of the second mounting portion is inclined rearward from the feed start end to the terminal end.
In one or more embodiments, the level of the tool mounted on the first mounting portion is higher than the level of the tool mounted on the second mounting portion.
In one or more embodiments, the first mounting portion and the second mounting portion are provided with a spacing therebetween that is greater than a maximum distance from the machining position to an edge of the machining table.
In one or more embodiments, a trapezoidal connecting groove is provided on the mounting frame, and a trapezoidal connecting block matched with the connecting groove is provided on the second tool rest.
The purpose of repeating S3 and S4 for multiple times when the second tool rest machines the square groove is to reduce the machining depth of the second tool rest in each feeding and retracting process, so that a dovetail groove with h depth can be formed by the next feeding and retracting process of the inclined tool driven by the machine head, and a dovetail groove required by design is formed after the inclined tool is scraped back and forth for multiple times.
The invention has the beneficial effects that: the problem that the super-long dovetail groove is difficult to produce and form is solved, the production speed of the super-long dovetail groove is improved, the production difficulty is reduced, one dovetail groove can be produced in 20-40 minutes by scraping, compared with the traditional casting, the equipment investment and the labor investment are greatly reduced, and the production speed and the production precision are greatly improved.
Drawings
FIG. 1 is a schematic view of a part of a dovetail groove processing apparatus.
FIG. 2 is a schematic diagram of a dovetail groove milling device.
FIG. 3 is a schematic view of a dovetail groove milling side of the dovetail groove processing apparatus.
FIG. 4 is another schematic diagram of a dovetail milling process performed by a dovetail machining apparatus.
Fig. 5 is a schematic view of a second tool holder.
Detailed Description
The application scheme is further described below with reference to the accompanying drawings:
referring to the attached drawings 1-5, a dovetail groove processing method comprises a workbench 1 and a machine head 2, wherein a workpiece is arranged on the workbench 1 and is clamped on the workbench 1, a first tool rest 4 and a second tool rest 5 are arranged on the machine head 2, the first tool rest 4 is provided with a square groove milling cutter, a first installation part 51 and a second installation part 54 are arranged on the second tool rest 5, and a plurality of inclined cutters which are obliquely arranged are arranged on the first installation part 51 and the second installation part 54; the processing method comprises the following steps:
s1, placing and fixing the workpiece on the workbench 1;
s2, the square groove milling cutter on the first tool rest 4 cuts a plurality of square grooves on the workpiece;
s3, withdrawing the square groove milling cutter, aligning the inclined cutter and one side of the square groove of the first mounting part 51 of the second tool rest 5, and scraping one side of the square groove by a set depth h;
s4, when retracting, the inclined cutter of the second installation part 54 of the second cutter rest 5 and the other side of the square groove are set, and the other side of the square groove is scraped by a set depth h;
and repeating the steps S3 and S4 until a dovetail groove with set specifications is formed.
Further, the first mounting part 51 is formed in a stepped shape from left to right, and the first mounting part 51 is inclined forward from top to bottom.
Further, the mounting surface of the first mounting portion 51 is inclined rearward from the feed start end toward the terminal end, and the first mounting portion 51 is provided with a first mounting groove 52 and a plurality of first screw holes 53.
Further, the second mounting portion 54 is stepped from left to right, and the second mounting portion 54 is inclined forward from top to bottom.
Further, the second mounting portion 54 is provided with a second mounting groove and a plurality of second screw holes.
Further, the mounting surface of the second mounting portion 54 is inclined rearward from the feed start end toward the terminal end.
Further, the level of the tool after being mounted on the first mounting portion 51 is higher than the level of the tool mounted on the second mounting portion 54.
Further, a space is provided between the first mounting portion 51 and the second mounting portion 54, which is larger than the maximum distance from the machining position to the edge of the machining table.
Further, a trapezoidal connecting groove is formed in the mounting frame, and a trapezoidal connecting block 55 matched with the connecting groove is arranged on the second tool rest 5.
The above preferred embodiments should be considered as examples of the embodiments of the present application, and technical deductions, substitutions, improvements and the like similar to, similar to or based on the embodiments of the present application should be considered as the protection scope of the present patent.

Claims (9)

1.一种燕尾槽加工方法，其特征在于，包括工作台、机头，所述工作台上设置有工件并被夹紧在工作台上，所述机头上设置有第一刀架和第二刀架，所述第一刀架为设置有方形槽铣刀，所述第二刀架上设置有第一安装部和第二安装部，第一安装部和第二安装部上均设置有若干个倾斜设置的斜刀；加工方法如下：1. a dovetail groove processing method, it is characterized in that, comprise workbench, machine head, described workbench is provided with workpiece and is clamped on workbench, described machine head is provided with the first tool rest and the first Two tool holders, the first tool holder is provided with a square groove milling cutter, the second tool holder is provided with a first installation part and a second installation part, and both the first installation part and the second installation part are provided with Several inclined cutters; the processing method is as follows: S1放置加工件与工作台上并固定；S1 is placed on the workpiece and the workbench and fixed; S2第一刀架上的方形槽铣刀在工件上开出若干条方形槽；The square groove milling cutter on the first tool holder of S2 cuts several square grooves on the workpiece; S3退出方形槽铣刀，第二刀架的第一安装部的斜刀对刀并对方形槽的一侧刮削设定深度h；S3 exits the square groove milling cutter, and the oblique knife of the first installation part of the second tool holder sets the tool and scrapes one side of the square groove with a set depth h; S4退刀时，把第二刀架的第二安装部的斜刀对方形槽的另一侧刮削设定深度h；S4 when retracting the tool, scrape the other side of the square groove with the oblique knife of the second mounting part of the second tool holder to a set depth h; 重复S3和S4直至形成设定规格的燕尾槽。S3 and S4 are repeated until a dovetail groove of the set size is formed. 2.根据权利要求1所述的燕尾槽加工设备及方法，其特征在于，所述第一安装部从左到右形成阶梯型，所述第一安装部从上到下倾斜向前。2 . The dovetail groove processing apparatus and method according to claim 1 , wherein the first mounting portion forms a stepped shape from left to right, and the first mounting portion is inclined forward from top to bottom. 3 . 3.根据权利要求2所述的燕尾槽加工设备及方法，其特征在于，所述第一安装部的安装面从进刀开始端向终端倾斜向后，所述第一安装部设置有第一安装槽和多个第一螺孔。3 . The dovetail groove processing equipment and method according to claim 2 , wherein the installation surface of the first installation portion is inclined backward from the start end of the feed to the end, and the first installation portion is provided with a first A mounting slot and a plurality of first screw holes. 4.根据权利要求1所述的燕尾槽加工设备及方法，其特征在于，所述第二安装部从左到右阶梯型设置，所述第二安装部从上到下倾斜向前。4 . The dovetail groove processing apparatus and method according to claim 1 , wherein the second mounting portion is arranged in a stepped shape from left to right, and the second mounting portion is inclined forward from top to bottom. 5 . 5.根据权利要求3所述的燕尾槽加工设备及方法，其特征在于，所述第二安装部设置有第二安装槽和多个第二螺孔。5 . The dovetail groove processing equipment and method according to claim 3 , wherein the second installation portion is provided with a second installation groove and a plurality of second screw holes. 6 . 6.根据权利要求4所述的燕尾槽加工设备及方法，其特征在于，所述第二安装部的安装面从进刀开始端向终端倾斜向后。6 . The dovetail groove processing apparatus and method according to claim 4 , wherein the mounting surface of the second mounting portion is inclined backward from the start end of the feed to the end end. 7 . 7.根据权利要求4所述的燕尾槽加工设备及方法，其特征在于，刀具安装在第一安装部后的水平高度高于刀具安装在第二安装部上的水平高度。7 . The dovetail groove processing apparatus and method according to claim 4 , wherein the horizontal height of the tool mounted on the first mounting portion is higher than the horizontal height of the tool mounted on the second mounting portion. 8 . 8.根据权利要求4所述的燕尾槽加工设备及方法，其特征在于，第一安装部和第二安装部之间设置有间距，该间距大于加工位置到加工台边缘的最大距离。8 . The dovetail groove processing apparatus and method according to claim 4 , wherein a distance is set between the first mounting portion and the second mounting portion, and the distance is greater than the maximum distance from the processing position to the edge of the processing table. 9 . 9.根据权利要求1所述的燕尾槽加工设备及方法，其特征在于，所述安装架上设置有梯形连接槽，所述第二刀架上设置有与连接槽配合的梯形连接块。9 . The dovetail groove processing equipment and method according to claim 1 , wherein the mounting frame is provided with a trapezoidal connecting groove, and the second tool holder is provided with a trapezoidal connecting block matched with the connecting groove. 10 .
CN202110720654.1A 2021-06-28 2021-06-28 Dovetail groove machining method Pending CN113305336A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110720654.1A CN113305336A (en) 2021-06-28 2021-06-28 Dovetail groove machining method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110720654.1A CN113305336A (en) 2021-06-28 2021-06-28 Dovetail groove machining method

Publications (1)

Publication Number Publication Date
CN113305336A true CN113305336A (en) 2021-08-27

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Application Number Title Priority Date Filing Date
CN202110720654.1A Pending CN113305336A (en) 2021-06-28 2021-06-28 Dovetail groove machining method

Country Status (1)

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CN (1) CN113305336A (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09234616A (en) * 1996-02-29 1997-09-09 ▲桜▼井精技株式会社 Chamfering device and its feeding base
WO2003070435A1 (en) * 2002-02-20 2003-08-28 Hong-Soon Park Apparatus for forming groove used in cutting blade
DE102006007787A1 (en) * 2006-02-20 2007-08-23 Siemens Ag Cutting tool producing high-precision spherical-section bearing recess in workpiece, is rotated about axis at right angles to that of chuck rotating workpiece
CN112658354A (en) * 2021-01-19 2021-04-16 北京梵邦科技有限公司 Can adjust quick milling machine of dovetail of degree of depth
CN217121872U (en) * 2021-06-28 2022-08-05 浙江赛锐精密技术有限公司 Dovetail groove machining equipment

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09234616A (en) * 1996-02-29 1997-09-09 ▲桜▼井精技株式会社 Chamfering device and its feeding base
WO2003070435A1 (en) * 2002-02-20 2003-08-28 Hong-Soon Park Apparatus for forming groove used in cutting blade
DE102006007787A1 (en) * 2006-02-20 2007-08-23 Siemens Ag Cutting tool producing high-precision spherical-section bearing recess in workpiece, is rotated about axis at right angles to that of chuck rotating workpiece
CN112658354A (en) * 2021-01-19 2021-04-16 北京梵邦科技有限公司 Can adjust quick milling machine of dovetail of degree of depth
CN217121872U (en) * 2021-06-28 2022-08-05 浙江赛锐精密技术有限公司 Dovetail groove machining equipment

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