CN2313691Y - Extruding broach - Google Patents
Extruding broach Download PDFInfo
- Publication number
- CN2313691Y CN2313691Y CN 97247101 CN97247101U CN2313691Y CN 2313691 Y CN2313691 Y CN 2313691Y CN 97247101 CN97247101 CN 97247101 CN 97247101 U CN97247101 U CN 97247101U CN 2313691 Y CN2313691 Y CN 2313691Y
- Authority
- CN
- China
- Prior art keywords
- broach
- knife bar
- cutter head
- extruding
- utility
- 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.)
- Expired - Fee Related
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- Milling, Broaching, Filing, Reaming, And Others (AREA)
Abstract
The utility model relates to an extruding broach which is composed of a broach head and a broach bar. The utility model is suitable for extruding and processing inner circular holes with discontinuous large margin cutting, and has the advantages of simple assembly and replacement, convenient operation and steel saving. The utility model not only can be used for extruding and processing connecting holes of connecting plates for caterpillar bands, but also can be used for strong extrusion of other types of connecting hole parts.
Description
The utility model relates to a kind of cutter of field of machining, is specifically related to a kind of burnishing broach.
Burnishing broach is generally formed integral cutter with cutter head and knife bar butt welding in the prior art.This in production and processing, shortcomings such as the cutter easy fracture damages, raw materials consumption is big, anufacturability difference.The utility model designs a kind of powerful burnishing broach that is suitable for processing the discontinuity connecting through hole at above-mentioned shortcoming.
Task of the present utility model is to provide a kind of powerful burnishing broach of processing metal discontinuity connecting through hole.
The technical solution of the utility model can realize by following measures:
A kind of burnishing broach is made up of cutter head and knife bar, it is characterized in that: cutter head can be set on the knife bar by cylindrical hole in it, and locatees vertically by the step of knife bar one end.
The utility model also is: will be processed with leading round platform, extruding circular cone, calibration cylinder and back taper on the cutter head external cylindrical surface, knife bar one end is processed with the stop bit step.
In addition: tool tip material is high-speed steel, heat treatment HRC60-66, face coat TiN; The knife bar material is spring steel, heat treatment HRC40-45.
The advantage that the utility model is had compared to existing technology:
1. knife bar bending strength height, good springiness;
2. knife bar is reusable, saves knife bar material and knife bar manufacturing expenses;
3. good, the long service life of cutter head wearability, and detachable the replacing.
The drawing explanation of accompanying drawing:
Fig. 1. the burnishing broach structure chart;
Fig. 2. burnishing broach work enlarged drawing;
Fig. 3. burnishing broach work schematic diagram.
Among the figure: 1. cutter head 2. knife bars 3. are extruded workpiece
When the utility model is implemented: according to Fig. 1, Fig. 2, shown in Figure 3, at first by Fig. 3 being extruded on the positioning fixture that workpiece 3 is contained in broaching machine, the shank of knife bar 2 is passed the endoporus of cutter head 1, cutter head 1 is positioned on the working bank of knife bar 2 as shown in Figure 2 vertically; Shank with knife bar 2 passes the endoporus to be processed that is extruded workpiece 3 again, the shank clamping of knife bar 2 in drawing the jaw of art, the starting broaching machine is pressed the pulling of direction shown in P power knife bar 2 among Fig. 3, extruding broaching end-of-job after cutter head 1 is all by the endoporus to be processed that is extruded workpiece 3.
Claims (3)
1. a burnishing broach is made up of cutter head and knife bar, it is characterized in that: cutter head (1) can be set on the knife bar (2) by cylindrical hole in it, and locatees vertically by the step of knife bar (2) one ends.
2. according to the described burnishing broach of claim 1, it is characterized in that: be processed with leading round platform, extruding circular cone, calibration cylinder and back taper on cutter head (1) external cylindrical surface, knife bar (2) one ends are processed with the stop bit step.
3. according to the described burnishing broach of claim 1, it is characterized in that: cutter head (1) material is a high-speed steel, heat treatment HRC60-66, face coat TiN; Knife bar (2) material is a spring steel, heat treatment HRC40-45.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97247101 CN2313691Y (en) | 1997-12-26 | 1997-12-26 | Extruding broach |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97247101 CN2313691Y (en) | 1997-12-26 | 1997-12-26 | Extruding broach |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2313691Y true CN2313691Y (en) | 1999-04-14 |
Family
ID=33954748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97247101 Expired - Fee Related CN2313691Y (en) | 1997-12-26 | 1997-12-26 | Extruding broach |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2313691Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103537767A (en) * | 2013-10-30 | 2014-01-29 | 无锡华洋滚动轴承有限公司 | Pultrusion forming cutting tool of inner tooth surface of reverse stopping bearing |
-
1997
- 1997-12-26 CN CN 97247101 patent/CN2313691Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103537767A (en) * | 2013-10-30 | 2014-01-29 | 无锡华洋滚动轴承有限公司 | Pultrusion forming cutting tool of inner tooth surface of reverse stopping bearing |
| CN103537767B (en) * | 2013-10-30 | 2016-08-24 | 无锡华洋滚动轴承有限公司 | Reverse clamping stopper bearing inner toothed surface pultrusion cutter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |