CN202151717U - Special milling cutter for milling corner angles among three continuously staggered deep holes - Google Patents
Special milling cutter for milling corner angles among three continuously staggered deep holes Download PDFInfo
- Publication number
- CN202151717U CN202151717U CN2011201688932U CN201120168893U CN202151717U CN 202151717 U CN202151717 U CN 202151717U CN 2011201688932 U CN2011201688932 U CN 2011201688932U CN 201120168893 U CN201120168893 U CN 201120168893U CN 202151717 U CN202151717 U CN 202151717U
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- cutter
- cylindrical handle
- milling
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- cutterhead
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Abstract
The utility model discloses a special milling cutter for milling corner angles among three continuously staggered deep holes. The milling cutter comprises a first milling cutter body and a second milling cutter body, wherein the first milling cutter body comprises a first cylindrical handle; a first cutter head is coaxially arranged at one end of the first cylindrical handle; a plurality of cutter teeth are uniformly distributed on the outer circumference of the first cutter head; the second milling cuter body comprises a second cylindrical handle; a second cutter head is coaxially arranged at one end of the second cylindrical handle; a plurality of cutter teeth are uniformly distributed on the outer circumference of the second cutter head; a concave end face key and a convex end face key are respectively arranged at the other end of the first cylindrical handle and the other end of the second cylindrical handle and are matched with each other; through holes for installing bolts are respectively formed on central shafts; and the central shafts pass through the first milling cutter body and the second milling cutter body respectively. The milling cutter solves the problem that the corner angles formed among the three continuously staggered deep holes cannot be eliminated in the prior art during machining of waist-shaped deep holes.
Description
Technical field
The utility model belongs to the Machining Technology field, is specifically related to a kind of three and connects staggered deep hole corner angle milling special-purpose milling cutter.
Background technology
In the heat exchanger product, in order to improve heat exchange efficiency, critical piece adopts the bigger materials of thermal conductivity factor such as red copper, fine aluminium on the one hand; A large amount of heat exchanging medium passages is set on the other hand, and the circulation through heat transferring medium further strengthens the heat exchange effect.The some of them passage adopts many row's single hole structures.Along with being growing more intense of market competition, heat exchanger manufacturing enterprise in order to save material, reduces production costs, and improves the competitiveness of enterprise product, heat exchanger plates Thickness Design more and more thinner.If passage still adopts many row's single hole structures like this,, directly influence the size of cross sectional area then owing to the restriction in aperture.Therefore, the many rows of normal employing mounting holes increase cross sectional area, to guarantee the heat exchange effect of heat exchanger.The degree of depth of these waist shape access openings often reaches 2000mm～4000mm; Adopt general cutting working method can't accomplish processing to this waist shape deep hole; Can only be to adopt the method for deep hole machining to be processed into three even staggered deep holes earlier generally speaking, finally form waist shape deep hole through removing the corner angle that form between the three even staggered deep holes again.For the processing of three even staggered deep holes, we have developed " soft metal ultralong deep hole process tool " and " staggered deep hole processing cutter ", connect the corner angle that form between the staggered deep holes and will remove three, can't realize that at present difficulty is very big.Must research and develop special-purpose technological equipments such as disc milling cutter, solve three and connect the difficult problem that staggered deep holes remove corner angle.
The utility model content
The purpose of the utility model provides a kind of three and connects staggered deep hole corner angle milling special-purpose milling cutter, has solved in the process of waist shape deep hole, and prior art can't realize that three connect the removal problem of the corner angle that form between the staggered deep hole.
The technical scheme that the utility model adopted is; A kind of three connect staggered deep hole corner angle milling special-purpose milling cutter; Comprise first cutter body and second cutter body, first cutter body comprises first cylindrical handle, an end of first cylindrical handle first cutterhead that has been coaxially set; Be evenly distributed with a plurality of cutters tooth on the excircle of first cutterhead; Second cutter body comprises second cylindrical handle, and an end of second cylindrical handle second cutterhead that has been coaxially set is evenly distributed with a plurality of cutters tooth on the excircle of second cutterhead; The other end of first cylindrical handle and second cylindrical handle is respectively arranged with the concavo-convex straight end-face key that matches, and the central shaft that connects first cutter body and second cutter body has the through hole that is used for mounting screw.
Cutter tooth quantity on first cutter body and second cutter body is 8～10, and the cylindrical angle of cutting edge γ of each cutter tooth
O1Be 10 °～12 °, cylindrical edge clearance angle α
O1It is 12 °～15 °; End face sword drift angle κ
R2Be 3 °～5 °, end face edge clearance angle α
O2It is 10 °～12 °.
Symmetry has two and is used for the flat key groove that is connected with sprocket wheel on the outer surface of first cylindrical handle.
On first cutterhead near all having the cannelure that is used for sealed bearing near the second cylindrical handle end face on the end face of first cylindrical handle and second cutterhead.
The beneficial effect of the utility model is, carrying out three when connecting the corner angle milling of staggered deep holes, and smear metal is tiny, is convenient to discharge, and working angles is steady, and working (machining) efficiency is high, stable processing quality.As the corner angle milling test result that red copper cooling wall Φ (35～38) mm * (2000～4000) mm three connects staggered deep hole being shown that the utility model is a kind of effective cutter that carries out three even staggered deep hole corner angle millings with the utility model.
Description of drawings
Fig. 1 is the structural representation of the utility model;
Fig. 2 is the knife-tooth structure sketch map of first cutter body in the utility model;
Wherein, 1. first cutter body, 1-1. first cylindrical handle, 1-2. first cutterhead, 1-3. first through hole, 1-4. first cannelure, 1-5. flat key groove, 2. second cutter body, 2-1. second cylindrical handle, 2-2. second cutterhead, 2-3. second through hole, 2-4. second cannelure.
The specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment the utility model is elaborated.
As depicted in figs. 1 and 2; A kind of three connect staggered deep hole corner angle milling special-purpose milling cutter; Comprise that first cutter body 1 and second cutter body, 2, the first cutter body 1 comprise the first cylindrical handle 1-1, the end of the first cylindrical handle 1-1, the first cutterhead 1-2 that has been coaxially set; Be evenly distributed with 8 cutters tooth on the excircle of the first cutterhead 1-2, the cylindrical angle of cutting edge γ of each cutter tooth
O1Be 10 °～12 °, cylindrical edge clearance angle α
O1It is 12 °～15 °; End face sword drift angle κ
R2Be 3 °～5 °, end face edge clearance angle α
O2It is 10 °～12 °; The other end of the first cylindrical handle 1-1 is provided with the convex surface key; Symmetry has two and is used for the flat key groove 1-5 that is connected with sprocket wheel on the outer surface of the first cylindrical handle 1-1; The central shaft that connects first cutter body 1 has the first through hole 1-3 that is used for mounting screw, and the first cutterhead 1-2 goes up on the end face near the first cylindrical handle 1-1 and has the first cannelure 1-4 that is used for sealed bearing.Second cutter body 2 comprises the second cylindrical handle 2-1, and the end of the second cylindrical handle 2-1, the second cutterhead 2-2 that has been coaxially set is evenly distributed with 8 cutters tooth, the cylindrical angle of cutting edge γ of each cutter tooth on the excircle of the second cutterhead 2-2
O1Be 10 °～12 °, cylindrical edge clearance angle α
O1It is 12 °～15 °; End face sword drift angle κ
R2Be 3 °～5 °, end face edge clearance angle α
O2It is 10 °～12 °; The other end of the second cylindrical handle 2-1 is provided with recessed straight end-face key; Convex surface key on this recessed straight end-face key and the first cylindrical handle 1-1 matches; Both engagements are assembled together first cutter body 1 and second cutter body 2 through it when work, and the central shaft of second cutter body 2 has the second through hole 2-3 that is used for mounting screw, and the first through hole 1-3 and the second through hole 2-3 are formed for the through hole of mounting screw jointly.The second cutterhead 2-2 goes up on the end face near the second cylindrical handle 2-1 and has the second cannelure 2-4 that is used for sealed bearing.
The utility model adopts the chain kind of drive that driven by motor the utility model is rotated at a high speed in use, carries out the corner angle milling of three even staggered deep holes.The matching requirements of bearing, sprocket wheel etc. when guaranteeing milling, the utility model is made up of first cutter body 1 and second cutter body 2, links into an integrated entity through screw 2 again.When making the utility model; Earlier first cutter body 1 and second cutter body 2 are processed integral structure; After treating that cutter tooth, keyway etc. machine, cut into first cutter body 1 of band convex surface key and second cutter body 2 again, so that control the circular runout of cutter tooth on first cutter body 1 and second cutter body 2 with recessed straight end-face key; And the synchronism of cutting, cutting out, the stationarity of raising working angles.Blade material is chosen the carbide alloy that is suitable for cutting materials such as red copper, fine aluminium.The geometric parameter of cutter tooth is chosen by cylindrical angle of cutting edge γ
O1Be 10 °～12 °, cylindrical edge clearance angle α
O1It is 12 °～15 °; End face sword drift angle κ
R2Be 3 °～5 °, end face edge clearance angle α
O2It is 10 °～12 °.So both guaranteed that cutting edge was sharp, smear metal is tiny, is convenient to discharge, and helps improving the stationarity of working angles again.The flat key groove 1-5 that connects with sprocket wheel is designed to two of symmetries, to improve the transmission capacity of power.The first cannelure 1-4 and the second cannelure 2-4 are used for cooperating with bearing holder (housing, cover) and seal, and prevent that smear metal from getting into bearing.
Claims (4)
1. one kind three connects staggered deep hole corner angle milling special-purpose milling cutter; It is characterized in that; Comprise first cutter body (1) and second cutter body (2); Said first cutter body (1) comprises first cylindrical handle (1-1); One end of said first cylindrical handle (1-1), first cutterhead (1-2) that has been coaxially set is evenly distributed with a plurality of cutters tooth on the excircle of said first cutterhead (1-2), and said second cutter body (2) comprises second cylindrical handle (2-1); One end of said second cylindrical handle (2-1), second cutterhead (2-2) that has been coaxially set; Be evenly distributed with a plurality of cutters tooth on the excircle of said second cutterhead (2-2), the other end of said first cylindrical handle (1-1) and second cylindrical handle (2-1) is respectively arranged with the concavo-convex straight end-face key that matches, and the central shaft that connects said first cutter body (1) and second cutter body (2) has the through hole that is used for mounting screw.
2. connect staggered deep hole corner angle milling special-purpose milling cutter according to claim 1 described three, it is characterized in that the cutter tooth quantity on said first cutter body (1) and second cutter body (2) is 8～10, and the cylindrical angle of cutting edge γ of each cutter tooth
O1Be 10 °～12 °, cylindrical edge clearance angle α
O1It is 12 °～15 °; End face sword drift angle κ
R2Be 3 °～5 °, end face edge clearance angle α
O2It is 10 °～12 °.
3. connect staggered deep hole corner angle milling special-purpose milling cutters according to claim 1 described three, it is characterized in that, symmetry has two and is used for the flat key groove (1-5) that is connected with sprocket wheel on the outer surface of said first cylindrical handle (1-1).
4. connect staggered deep hole corner angle milling special-purpose milling cutter according to claim 1 described three; It is characterized in that said first cutterhead (1-2) is gone up near the end face of first cylindrical handle (1-1) and second cutterhead (2-2) and gone up near all having the cannelure that is used for sealed bearing on the end face of second cylindrical handle (2-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201688932U CN202151717U (en) | 2011-05-25 | 2011-05-25 | Special milling cutter for milling corner angles among three continuously staggered deep holes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201688932U CN202151717U (en) | 2011-05-25 | 2011-05-25 | Special milling cutter for milling corner angles among three continuously staggered deep holes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202151717U true CN202151717U (en) | 2012-02-29 |
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ID=45692226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201688932U Expired - Fee Related CN202151717U (en) | 2011-05-25 | 2011-05-25 | Special milling cutter for milling corner angles among three continuously staggered deep holes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202151717U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103938837A (en) * | 2014-05-12 | 2014-07-23 | 永康市豪迈工具有限公司 | Tool pan structure used for wall grooving machine |
| CN108436161A (en) * | 2018-04-30 | 2018-08-24 | 中铁宝桥集团有限公司 | Medium-and low-speed maglev F rails magnetic pole strength and detection faces while process tool |
| CN110385450A (en) * | 2018-04-20 | 2019-10-29 | 晨昇科技股份有限公司 | The structure of cutter |
| CN111604530A (en) * | 2020-05-15 | 2020-09-01 | 西北工业大学 | Disc milling cutter for large-plane large-cutting-depth efficient milling |
-
2011
- 2011-05-25 CN CN2011201688932U patent/CN202151717U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103938837A (en) * | 2014-05-12 | 2014-07-23 | 永康市豪迈工具有限公司 | Tool pan structure used for wall grooving machine |
| CN110385450A (en) * | 2018-04-20 | 2019-10-29 | 晨昇科技股份有限公司 | The structure of cutter |
| CN108436161A (en) * | 2018-04-30 | 2018-08-24 | 中铁宝桥集团有限公司 | Medium-and low-speed maglev F rails magnetic pole strength and detection faces while process tool |
| CN111604530A (en) * | 2020-05-15 | 2020-09-01 | 西北工业大学 | Disc milling cutter for large-plane large-cutting-depth efficient milling |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120229 Termination date: 20140525 |