CN104551271A - Trepanning tool for machining threads - Google Patents
Trepanning tool for machining threads Download PDFInfo
- Publication number
- CN104551271A CN104551271A CN201310522172.0A CN201310522172A CN104551271A CN 104551271 A CN104551271 A CN 104551271A CN 201310522172 A CN201310522172 A CN 201310522172A CN 104551271 A CN104551271 A CN 104551271A
- Authority
- CN
- China
- Prior art keywords
- knife
- handle
- tool
- hole
- cutter
- 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
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
- B23G5/00—Thread-cutting tools; Die-heads
- B23G5/005—Thread-cutting tools; Die-heads with lubrication or cooling devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
- B23G5/00—Thread-cutting tools; Die-heads
- B23G5/02—Thread-cutting tools; Die-heads without means for adjustment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
- B23G2200/00—Details of threading tools
- B23G2200/10—Threading tools comprising cutting inserts
Abstract
The invention relates to a trepanning tool for machining threads. The trepanning tool comprises a tool handle and a tool bit, wherein the tool handle is conical; two rows of installing holes are symmetrically formed in the circumferential surface of the tool handle; each installing hole is spherical; the tool bit is provided with a demising hole along the axial direction; two cutting blades which are provided with cutting edges are symmetrically arranged on the inner wall surface of the demising hole; the cutting edges of the cutting blades consist of threaded cutting edges and pipe orifice cutting edges. The trepanning tool for machining threads has the advantages of high trepanning efficiency and high accuracy.
Description
Technical field
The present invention relates to a kind of cover cutter of machining screw.
Background technology
Thread generator complex structure, with high costs, and generally there is the not high drawback of precision due to present thread generator, therefore easily there is security incident in actual use.Disclose a kind of external thread machining machine in prior art, comprise brace table, described brace table upper end is fixedly connected with cutting knife, the rear end connecting fluid cylinder pressure of described brace table, and described hydraulic cylinder is connected with motor; Also comprise metal tube fixture, described metal tube fixture rear end is connected with motor and is rotated by Electric Machine Control.This device maintains static adding man-hour cutting knife, drives workpiece axial feed, rotated by driven by motor workpiece by hydraulic cylinder.The time that this processing machine is processed needed for one screw thread is long, and efficiency is lower, and the location of knife bar is simple, and the precision of the screw thread after processing is low.
Summary of the invention
For the deficiencies in the prior art, the invention provides the cover cutter of the machining screw that a kind of efficiency is high and precision is high.
The technical scheme solved the problems of the technologies described above is as follows:
The cover cutter of machining screw, comprise handle of a knife and cutter head, described handle of a knife is the handle of a knife of taper, the periphery of handle of a knife is symmetrical arranged two row installing holes, each installing hole is sphere hole, cutter head is axially arranged with a resigning hole along it, the internal face of resigning hole is symmetrical arranged the cutting tip that two have cutting edge, the cutting edge on cutting tip is made up of screw chasing sword and mouth of pipe cutting edge.
The tapering of described handle of a knife is 2 °-3 °.
The radian of described installing hole is 120 to 150 degree.
Described handle of a knife is provided with the Cooling Holes be communicated with cutter head.
Have employed such scheme, during processing work, the handle of a knife of cover cutter is connected with drive unit, when being connected with drive unit, be embedded in the installing hole on handle of a knife by the steel ball on drive unit, the displacement due to steel ball is fixing, fixing, the height that steel ball enters into installing hole is also fixing, thus symmetrically arranged installing hole coordinates the steel ball on drive unit to contribute to the raising of installation accuracy.The tool bit casing of cover cutter, on workpiece to be machined, starts drive unit, and cutter head is rotated along with drive unit, due to the screw chasing sword that cutter head distributes, thus can at the outer surface rapid processing external threads of workpiece.Therefore, the present invention has the advantage that precision is high and working (machining) efficiency is high.
Accompanying drawing explanation
Fig. 1 is the front view of the cover cutter of machining screw of the present invention;
Fig. 2 is the left view of Fig. 1;
In figure, 1 is handle of a knife, and 2 is cutter head, and 3 is installing hole, and 4 is resigning hole, and 5 is cutting tip, and 6 is screw chasing sword, and 7 is mouth of pipe cutting edge.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention will be further described.
With reference to Fig. 1, the cover cutter of machining screw of the present invention, comprises handle of a knife 1 and cutter head 2.Described handle of a knife 1 is the handle of a knife of taper, and the tapering of handle of a knife is 2 °-3 °.The radian of installing hole is 120 to 150 degree, the steel ball of position tool shanks can be avoided like this to be embedded in installing hole too much, avoid steel ball to drop from drive unit.The periphery of handle of a knife 1 is symmetrical arranged two row installing holes 3, each installing hole is sphere hole.Cutter head 2 is axially arranged with a resigning hole 4 along it, the internal face of resigning hole 4 is symmetrical arranged the cutting tip 5 that two have cutting edge, cutting edge on cutting tip is made up of screw chasing sword 6 and mouth of pipe cutting edge 7, on the outer circumference surface of workpiece, process external screw thread by screw chasing sword, process chamfering by mouth of pipe cutting edge at the mouth of pipe of workpiece.Handle of a knife is provided with the Cooling Holes 8 be communicated with cutter head, by Cooling Holes, handle of a knife and cutter head can be made in process to be cooled fast, by the effect of heat trnasfer, also cutting tip can be made to be cooled fast, thus the life-span of cutting tip is guaranteed.
Claims (4)
1. the cover cutter of a machining screw, it is characterized in that: comprise handle of a knife and cutter head, described handle of a knife is the handle of a knife of taper, the periphery of handle of a knife is symmetrical arranged two row installing holes, each installing hole is sphere hole, cutter head is axially arranged with a resigning hole along it, the internal face of resigning hole is symmetrical arranged the cutting tip that two have cutting edge, the cutting edge on cutting tip is made up of screw chasing sword and mouth of pipe cutting edge.
2. the cover cutter of machining screw according to claim 1, is characterized in that: the tapering of described handle of a knife is 2 °-3 °.
3. the cover cutter of machining screw according to claim 1, is characterized in that: the radian of described installing hole is 120 to 150 degree.
4. the cover cutter of machining screw according to claim 1, is characterized in that: described handle of a knife is provided with the Cooling Holes be communicated with cutter head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310522172.0A CN104551271A (en) | 2013-10-29 | 2013-10-29 | Trepanning tool for machining threads |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310522172.0A CN104551271A (en) | 2013-10-29 | 2013-10-29 | Trepanning tool for machining threads |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104551271A true CN104551271A (en) | 2015-04-29 |
Family
ID=53068919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310522172.0A Pending CN104551271A (en) | 2013-10-29 | 2013-10-29 | Trepanning tool for machining threads |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104551271A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111565875A (en) * | 2017-11-20 | 2020-08-21 | 硬质金属工具厂保罗霍恩有限公司 | Rotary cutting tool |
-
2013
- 2013-10-29 CN CN201310522172.0A patent/CN104551271A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111565875A (en) * | 2017-11-20 | 2020-08-21 | 硬质金属工具厂保罗霍恩有限公司 | Rotary cutting tool |
| US11517967B2 (en) | 2017-11-20 | 2022-12-06 | Hartmetall-Werkzeugfabrik Paul Horn Gmbh | Whirling tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150429 |