CN217253136U - Thread milling cutter with replaceable cutter head - Google Patents
Thread milling cutter with replaceable cutter head Download PDFInfo
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- CN217253136U CN217253136U CN202123189719.9U CN202123189719U CN217253136U CN 217253136 U CN217253136 U CN 217253136U CN 202123189719 U CN202123189719 U CN 202123189719U CN 217253136 U CN217253136 U CN 217253136U
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- cutter
- tool bit
- cutter head
- thread milling
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The utility model discloses a but tool bit substitution thread milling cutter, including cutter arbor, tool bit and cutting edge. The beneficial effects of the utility model are that: the utility model discloses a carry out detachable connection through fastening bolt between cutter arbor and the tool bit, make things convenient for the later stage when the tool bit wearing and tearing are serious, change the tool bit, when installing, through the positioning action between locating piece and the constant head tank, can carry out quick location with cutter arbor and tool bit, the utility model discloses fixed slipmat that is provided with in the junction of cutter arbor and tool bit, direct contact between cutter arbor and the tool bit can be prevented, avoid causing wearing and tearing to the two, influence the life of this cutter, be provided with a plurality of louvre on the surface of tool bit, be convenient for when milling, dispel the heat the tool bit, avoid high temperature to cause destruction to the tool bit, the outside surface of cutter arbor and tool bit is provided with the carbide coating moreover, is convenient for improve the self hardness of this cutter, improves its life.
Description
Technical Field
The utility model relates to a thread milling cutter specifically is a but tool bit substitution thread milling cutter belongs to milling cutter technical field.
Background
A milling cutter is a rotating tool for milling machining having one or more cutter teeth. When in work, each cutter tooth cuts off the allowance of the workpiece in sequence and intermittently. The milling cutter is mainly used for processing planes, steps, grooves, formed surfaces, cut-off workpieces and the like on a milling machine, wherein the spiral milling cutter is used for processing planes on a horizontal milling machine. The cutter teeth are distributed on the circumference of the milling cutter and are divided into straight teeth and spiral teeth according to tooth profiles. The teeth are divided into coarse teeth and fine teeth.
However, the existing spiral milling cutter has some problems when in use:
1) the cutter head and the cutter bar of the common spiral milling cutter are integrated, when one of the cutter head or the cutter bar is damaged, the integral cutter head or the cutter bar is usually required to be replaced, the use cost is increased, waste is caused, and the installation efficiency is influenced due to the lack of a positioning reference during installation;
2) the existing spiral milling cutter lacks heat dissipation measures, when the spiral milling cutter works for a long time, the cutter head is often damaged due to overhigh temperature, and the existing thread milling cutter has poor hardness, so that the service life of the thread milling cutter is short.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a but tool bit substitution thread milling cutter just in order to solve above-mentioned problem.
The utility model discloses a following technical scheme realizes above-mentioned purpose: comprises that
The upper end of the cutter rod is fixedly provided with a clamping groove, and the cutter rod is conveniently and quickly connected with a lathe through the clamping groove;
the cutter head is fixedly arranged at the lower end of the cutter rod;
and three cutting edges which are respectively arranged on the outer side surface of the cutter head.
As a further aspect of the present invention: the tool bit is characterized in that a mounting groove is fixedly formed in the center of the lower end of the tool bar, a mounting column is fixedly connected to the center of the upper end of the tool bit, threaded holes are formed in the centers of four side walls of the mounting column, a fastening bolt is connected into each threaded hole in a matched mode, and the tool bar is detachably connected with the tool bit through the fastening bolts.
As the utility model discloses further scheme again: the interior top surface central point of mounting groove puts fixed mounting has the locating piece, and the inside constant head tank that is provided with of upper end of erection column.
As a further aspect of the present invention: and an elastic rubber pad sleeved on the positioning block is arranged on the inner top surface of the mounting groove.
As a further aspect of the present invention: and an anti-slip pad is fixedly arranged at the joint of the cutter bar and the cutter head.
As the utility model discloses further scheme again: the surface of the cutter head is provided with a plurality of heat dissipation holes.
As the utility model discloses further scheme again: and hard alloy coatings are arranged on the outer side surfaces of the cutter bar and the cutter head.
The utility model has the advantages that:
1) the utility model discloses a carry out detachable connection through fastening bolt between cutter arbor and the tool bit, make things convenient for the later stage when the tool bit wearing and tearing are serious, change the tool bit, when installing, through the positioning action between locating piece and the constant head tank, can carry out quick location with cutter arbor and tool bit, and the interior top surface of mounting groove is provided with and cup joints the elastic rubber pad on the locating piece, can prevent direct contact between locating piece and the constant head tank, avoid causing wearing and tearing, lead to fastening bolt can't carry out the location connection;
2) the utility model discloses be provided with the slipmat at the fixed junction of cutter arbor and tool bit, can prevent direct contact between cutter arbor and the tool bit, avoid causing wearing and tearing to the two, influence the life of this cutter, be provided with a plurality of louvre on the surface of tool bit, be convenient for when milling, dispel the heat to the tool bit, avoid high temperature to cause the destruction to the tool bit, the outside surface of cutter arbor and tool bit is provided with the carbide coating moreover, is convenient for improve the self hardness of this cutter, improves its life.
Drawings
FIG. 1 is a schematic view of the disassembled structure of the thread milling cutter of the present invention;
FIG. 2 is a schematic view of the connection structure of the thread milling cutter of the present invention;
fig. 3 is a schematic view of the thread milling cutter of the present invention.
In the figure: 1. the tool comprises a tool bar, 2, a clamping groove, 3, a mounting groove, 4, an elastic rubber pad, 5, a positioning block, 6, a fastening bolt, 7, an anti-slip pad, 8, a mounting column, 9, a threaded hole, 10, a positioning groove, 11, a tool bit, 12, a chip groove, 13, a heat dissipation hole, 14 and a hard alloy coating.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example one
Referring to fig. 1 to 3, a thread milling cutter with replaceable cutting head includes
The upper end of the cutter bar 1 is internally and fixedly provided with a clamping groove 2, and the cutter bar 1 is conveniently and quickly connected with a lathe through the clamping groove 2;
a cutter head 11 fixedly arranged at the lower end of the cutter bar 1;
and three cutting edges 12 provided and respectively installed on the outer side surfaces of the cutter head 4.
The embodiment of the utility model provides an in, the lower extreme central point of cutter arbor 1 puts inside fixed mounting groove 3 of having seted up, the upper end central point of tool bit 11 puts fixedly connected with erection column 8, four side lateral wall central points of erection column 8 put and all are provided with screw hole 9, and all cooperate in every screw hole 9 to be connected with fastening bolt 6, carry out detachable the connection through fastening bolt 6 between cutter arbor 1 and the tool bit 11, make things convenient for the later stage when tool bit 11 wearing and tearing are serious, change tool bit 11.
The embodiment of the utility model provides an in, the interior top surface central point of mounting groove 3 puts fixed mounting has locating piece 5, and the inside constant head tank 10 that is provided with in upper end of erection column 8, through the positioning action between locating piece 5 and the constant head tank 10, can fix a position cutter arbor 1 and tool bit 11 fast.
The embodiment of the utility model provides an in, the interior top surface of mounting groove 3 is provided with cup joints resilient rubber pad 4 on the locating piece 5 can prevent direct contact between locating piece 5 and the constant head tank 10, avoids causing wearing and tearing, leads to fastening bolt 6 can not carry out the location connection.
Example two
Referring to fig. 1 to 3, a thread milling cutter with replaceable cutting head includes
The upper end of the cutter bar 1 is internally and fixedly provided with a clamping groove 2, and the cutter bar 1 is conveniently and quickly connected with a lathe through the clamping groove 2;
a cutter head 11 fixedly arranged at the lower end of the cutter bar 1;
and cutting edges 12 provided in three and respectively installed on the outer side surfaces of the cutter head 4.
The embodiment of the utility model provides an in, the fixed slipmat 7 that is provided with in junction of cutter arbor 1 and tool bit 11 can prevent direct contact between cutter arbor 1 and the tool bit 11, avoids causing wearing and tearing to the two, influences the life of this cutter.
The embodiment of the utility model provides an in, the surface of tool bit 4 is provided with a plurality of louvre 13, is convenient for when milling, dispel the heat to tool bit 4, avoids high temperature to cause destruction to tool bit 4.
In the embodiment of the utility model provides an in, the outside surface of cutter arbor 1 and tool bit 11 is provided with carbide coating 14, is convenient for improve the self hardness of this cutter, improves its life.
The working principle is as follows: when using this kind of tool bit substitution thread milling cutter, at first through the positioning action between locating piece 5 and the constant head tank 10, can advance line location with cutter arbor 1 and tool bit 11, then be connected cutter arbor 1 and the four side walls of tool bit 11 through fastening bolt 6, make things convenient for the later stage when tool bit 11 wearing and tearing are serious, change tool bit 11, fixed slipmat 7 that is provided with in the junction of cutter arbor 1 and tool bit 11, can prevent direct contact between cutter arbor 1 and the tool bit 11, avoid causing wearing and tearing to the two, influence the life of this cutter, when milling, the heat that 4 surperficial surfaces of tool bit produced, can dispel the heat through louvre 13, and be provided with carbide coating 14 at the outside surface of cutter arbor 1 and tool bit 11, be convenient for improve the self hardness of this cutter, improve its life.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it is to be understood that all embodiments may be combined as appropriate by one of ordinary skill in the art to form other embodiments as will be apparent to those of skill in the art from the description herein.
Claims (7)
1. A thread milling cutter with replaceable cutter head is characterized by comprising
The upper end of the cutter bar (1) is internally and fixedly provided with a clamping groove (2), and the cutter bar (1) is conveniently and quickly connected with a lathe through the clamping groove (2);
the cutter head (11) is fixedly arranged at the lower end of the cutter bar (1);
and three cutting edges (12) which are respectively arranged on the outer side surface of the cutter head (11).
2. A cutter head replaceable thread milling cutter according to claim 1, wherein: the tool bar is characterized in that a mounting groove (3) is fixedly formed in the inner portion of the center of the lower end of the tool bar (1), a mounting column (8) is fixedly connected to the center of the upper end of the tool bit (11), threaded holes (9) are formed in the center of the side walls of the four sides of the mounting column (8), fastening bolts (6) are connected into each threaded hole (9) in a matched mode, and the tool bar (1) is detachably connected with the tool bit (11) through the fastening bolts (6).
3. A cutter head replaceable thread milling cutter according to claim 2, wherein: the mounting structure is characterized in that a positioning block (5) is fixedly mounted at the center of the inner top surface of the mounting groove (3), and a positioning groove (10) is formed in the upper end of the mounting column (8).
4. A cutter head replaceable thread milling cutter according to claim 3, wherein: and an elastic rubber pad (4) sleeved on the positioning block (5) is arranged on the inner top surface of the mounting groove (3).
5. A cutter head replaceable thread milling cutter according to claim 1, wherein: and an anti-slip pad (7) is fixedly arranged at the joint of the cutter bar (1) and the cutter head (11).
6. A cutter head replaceable thread milling cutter according to claim 1, wherein: the surface of the cutter head (11) is provided with a plurality of heat dissipation holes (13).
7. A cutter head replaceable thread milling cutter according to claim 1, wherein: the outer side surfaces of the cutter bar (1) and the cutter head (11) are provided with hard alloy coatings (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123189719.9U CN217253136U (en) | 2021-12-18 | 2021-12-18 | Thread milling cutter with replaceable cutter head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123189719.9U CN217253136U (en) | 2021-12-18 | 2021-12-18 | Thread milling cutter with replaceable cutter head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217253136U true CN217253136U (en) | 2022-08-23 |
Family
ID=82888361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123189719.9U Active CN217253136U (en) | 2021-12-18 | 2021-12-18 | Thread milling cutter with replaceable cutter head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217253136U (en) |
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2021
- 2021-12-18 CN CN202123189719.9U patent/CN217253136U/en active Active
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