CN202174278U - Welding forming knife - Google Patents
Welding forming knife Download PDFInfo
- Publication number
- CN202174278U CN202174278U CN2011202557399U CN201120255739U CN202174278U CN 202174278 U CN202174278 U CN 202174278U CN 2011202557399 U CN2011202557399 U CN 2011202557399U CN 201120255739 U CN201120255739 U CN 201120255739U CN 202174278 U CN202174278 U CN 202174278U
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- CN
- China
- Prior art keywords
- blade
- milling cutter
- sword face
- cutter sword
- edge surface
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- 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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Abstract
The utility model provides a welding forming knife, which can be used for machining mounting holes with step-shaped inner walls and lead the mounting holes to be high in concentricity and precision. The welding forming knife comprises a handle and a working portion, the handle and the working portion are integrally formed, the working portion comprises at least one blade and a spiral chip groove, an axial end of the blade is arranged in a welded manner, and the spiral chip groove is arranged peripherally and is adjacent to the blade. The welding forming knife is characterized in that a small milling knife edge surface, a middle milling knife edge surface and a large milling knife edge surface are successively arrayed on the outer side of the blade, the distance from the small milling knife edge surface to the axis of the handle, the distance from the middle milling knife edge surface to the axis of the handle and the distance from the large milling knife edge surface to the axis of the handle are successively increased, and the small milling knife edge surface is located at an end, which is farther than the end with the blade, of the blade. The small milling knife edge surface, the middle milling knife edge surface and the large milling knife edge surface which are arranged on the same blade can realize milling operation for a mounting hole while the handle rotates, knife changing operation is omitted, so that unnecessary errors are avoided, and accordingly the milled mounting hole not only is high in concentricity, but also is fine in precision.
Description
Technical field
The utility model relates to a kind of cutter, especially a kind of welding fabrication cutter that is used for moulding hole on the engine housing.
Background technology
At present; Can relate to the installing hole of processed complex in the manufacturing of the car engine box body on the market; This installing hole is a blind hole; Be provided with a plurality of stair-stepping annular round platforms in the installing hole, and parts such as spring, securing member and keeper are installed in the installing hole, and then satisfy the needs such as fixing, location and buffering protection of car engine box body.Because the internal structure of this installing hole is comparatively complicated; So the processing method of this installing hole also need manyly cooperate cutter could realize; At first get out corresponding pass, then through many steps that in the hole of institute's moulding, mill out different milling cutters a plurality of annulars through drill bit.But; Add man-hour when needs use different cutters, then will change, locate mounted cutter, the cutter after so just possibly occurring changing can not keep fully with one heart; Thereby make that the installing hole aperture that processes is either large or small; Perhaps depart from self axial position, make troubles for corresponding component is installed, even can cause scrapping of product.
Summary of the invention
In order to overcome the deficiency of prior art, it is step-like installing hole that the utility model provides a kind of inwall of processing, and makes this installing hole concentricity high, the welding fabrication cutter that precision is good.
The utility model solves the technical scheme that its technical problem adopted: a kind of welding fabrication cutter; Comprise that shank reaches and the integrated working portion of this shank; This working portion includes the blade that the axial end welding is provided with, and helical flute circumferentially is set, and this helical flute is adjacent to the blade setting; It is characterized in that: said blade has one at least; The outside of blade is arranged in order little milling cutter sword face, middle milling cutter sword face and the big milling cutter sword face of being provided with, and little milling cutter sword face, middle milling cutter sword face and big milling cutter sword identity distance shank axis distance increase successively, this little milling cutter sword face be positioned on the blade than shank place end than far-end.
Further being set to of the utility model: said knife number has four; Blade axially is provided with also along working portion and circumferentially distributes around working portion symmetrically; Said helical flute quantity is corresponding with knife number, and each helical flute is the blade setting of adjacent correspondence respectively.
Further being set to again of the utility model: the cross sectional shape of said little milling cutter sword face, middle milling cutter sword face and big milling cutter sword face is L shaped; End face on L shaped is vertical and parallel each other with shank axis successively, and head and the tail are adjacent respectively for the end face on little milling cutter sword face, middle milling cutter sword face and the big milling cutter sword face.
The beneficial effect of the utility model is: be arranged at the little milling cutter sword face on the same blade, middle milling cutter sword face and big milling cutter sword face; Can under the rotation of shank, carry out milling machine operation simultaneously to installing hole; Need not to carry out tool changing operation; Avoided unnecessary error to produce thus, not only concentricity is high to make prepared installing hole, and precision might as well.Thereby can guarantee the concentricity and the precision of installing hole processing on the motorcar air conditioner casing to the full extent, improve the mechanization of producing, and saved the time of changing different cutters to a certain extent, and then improved production efficiency, practice thrift cost.Wherein, blade and working portion are provided with for welding, will be convenient to the replacing of blade like this, and the more expensive metal of the general employing of blade, and shank then can adopt more cheap metal, the corresponding cost of having practiced thrift.
Description of drawings
Fig. 1 is the sketch map of the utility model embodiment.
Fig. 2 is that the A of Fig. 1 is to view.
Fig. 3 is the sketch map of the utility model embodiment blade.
The specific embodiment
Like Fig. 1,2, shown in 3; Present embodiment comprises that shank 1 reaches and this shank 1 integrated working portion 2; This working portion 2 includes the blade 21 that the axial end welding is provided with, and helical flute 22 circumferentially is set, and said helical flute 22 is provided with adjacent to blade 21; Said helical flute 22 quantity are corresponding with blade 21 quantity, and each helical flute 22 blade 21 of adjacent correspondence respectively is provided with.Blade 21 quantity have four; Blade 21 axially is provided with also along working portion 2 and circumferentially distributes around working portion 2 symmetrically; The outside of blade 21 is arranged in order the little milling cutter sword face 211 that is provided with, middle milling cutter sword face 212 and big milling cutter sword face 213; Little milling cutter sword face 211, middle milling cutter sword face 212 and big milling cutter sword face 213 increase apart from shank 1 axial line distance successively, this little milling cutter sword face 211 be positioned on the blade 21 than shank 1 place end than far-end.The cross sectional shape of said little milling cutter sword face 211, middle milling cutter sword face 212 and big milling cutter sword face 213 is L shaped; End face on L shaped is perpendicular or parallel each other with shank 1 axis respectively, and head and the tail are adjacent respectively for the end face on little milling cutter sword face 211, middle milling cutter sword face 212 and the big milling cutter sword face 213.Stair-stepping structure will appear in the installing hole inwall that mills out through little milling cutter sword face 211, middle milling cutter sword face 212 and big milling cutter sword face 213 thus.
In the utility model; Be arranged at the little milling cutter sword face 211 on the same blade 21, middle milling cutter sword face 212 and big milling cutter sword face 213; Can under the rotation of shank 1, carry out milling machine operation simultaneously, need not to carry out tool changing operation, avoid unnecessary error to produce thus installing hole; Not only concentricity is high to make prepared installing hole, and precision might as well.Thereby can guarantee the concentricity and the precision of installing hole processing on the motorcar air conditioner casing to the full extent, improve the mechanization of producing, and saved the time of changing different cutters to a certain extent, and then improved production efficiency, practice thrift cost.Wherein, blade 21 and working portion 2 are provided with for welding, will be convenient to the replacing of blade 21 like this, and the more expensive metal of blade 21 general employings, and shank 1 then can adopt more cheap metal, the corresponding cost of having practiced thrift.The utility model can also have other embodiments, and the technical scheme that equal replacement of all employings or equivalent transformation form all drops within the scope of the utility model requirement protection.
Claims (3)
1. welding fabrication cutter; Comprise that shank reaches and the integrated working portion of this shank; This working portion includes the blade that the axial end welding is provided with, and helical flute circumferentially is set, and this helical flute is adjacent to the blade setting; It is characterized in that: said blade has one at least; The outside of blade is arranged in order little milling cutter sword face, middle milling cutter sword face and the big milling cutter sword face of being provided with, and little milling cutter sword face, middle milling cutter sword face and big milling cutter sword identity distance shank axis distance increase successively, this little milling cutter sword face be positioned on the blade than shank place end than far-end.
2. welding fabrication cutter according to claim 1; It is characterized in that: said knife number has four; Blade axially is provided with also along working portion and circumferentially distributes around working portion symmetrically; Said helical flute quantity is corresponding with knife number, and each helical flute is the blade setting of adjacent correspondence respectively.
3. welding fabrication cutter according to claim 2; It is characterized in that: the cross sectional shape of said little milling cutter sword face, middle milling cutter sword face and big milling cutter sword face is L shaped; End face on L shaped is vertical and parallel each other with shank axis successively, and head and the tail are adjacent respectively for the end face on little milling cutter sword face, middle milling cutter sword face and the big milling cutter sword face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202557399U CN202174278U (en) | 2011-07-19 | 2011-07-19 | Welding forming knife |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202557399U CN202174278U (en) | 2011-07-19 | 2011-07-19 | Welding forming knife |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202174278U true CN202174278U (en) | 2012-03-28 |
Family
ID=45864187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202557399U Expired - Fee Related CN202174278U (en) | 2011-07-19 | 2011-07-19 | Welding forming knife |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202174278U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103042268A (en) * | 2012-12-18 | 2013-04-17 | 大连瑞谷科技有限公司 | Step forming milling cutter for arc trapezoid hole of bearing retainer |
| CN103394720A (en) * | 2013-08-09 | 2013-11-20 | 浙江万金机械有限公司 | Dedicated molding knife for nuts |
| CN106312163A (en) * | 2016-10-19 | 2017-01-11 | 厦门永裕机械工业有限公司 | Combined tool for machining of brake cylinder |
| CN106984839A (en) * | 2017-04-20 | 2017-07-28 | 郑州市钻石精密制造有限公司 | A kind of anti-swing rotating tool |
| CN109500437A (en) * | 2018-12-28 | 2019-03-22 | 常州青峰亿康机械有限公司 | A kind of special molding cutter of rail traffic snap ring |
-
2011
- 2011-07-19 CN CN2011202557399U patent/CN202174278U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103042268A (en) * | 2012-12-18 | 2013-04-17 | 大连瑞谷科技有限公司 | Step forming milling cutter for arc trapezoid hole of bearing retainer |
| CN103394720A (en) * | 2013-08-09 | 2013-11-20 | 浙江万金机械有限公司 | Dedicated molding knife for nuts |
| CN106312163A (en) * | 2016-10-19 | 2017-01-11 | 厦门永裕机械工业有限公司 | Combined tool for machining of brake cylinder |
| CN106984839A (en) * | 2017-04-20 | 2017-07-28 | 郑州市钻石精密制造有限公司 | A kind of anti-swing rotating tool |
| CN109500437A (en) * | 2018-12-28 | 2019-03-22 | 常州青峰亿康机械有限公司 | A kind of special molding cutter of rail traffic snap ring |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120328 Termination date: 20150719 |
|
| EXPY | Termination of patent right or utility model |