CN2595502Y - Elongating knife rod unit for lathe - Google Patents
Elongating knife rod unit for lathe Download PDFInfo
- Publication number
- CN2595502Y CN2595502Y CN 03211077 CN03211077U CN2595502Y CN 2595502 Y CN2595502 Y CN 2595502Y CN 03211077 CN03211077 CN 03211077 CN 03211077 U CN03211077 U CN 03211077U CN 2595502 Y CN2595502 Y CN 2595502Y
- Authority
- CN
- China
- Prior art keywords
- knife bar
- lathe
- cutter head
- knife
- square hole
- 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 - Lifetime
Links
Images
Landscapes
- Auxiliary Devices For Machine Tools (AREA)
Abstract
The utility model relates to an elongating knife rod unit with larger inner diameter for a lathe to machining long straight pipes, which comprises a knife head, a knife rod, a guide wooden key and a knife rod seat, wherein, the knife head is provided with a coolant outlet, the inner part of the knife head is provided with a coolant passage which is communicated with the high pressure coolant conveyed by a hollow part of the knife rod, a front cone part of the knife head is provided with a square hole for knife installation, and all cylinders are provided with rectangular holes for floating knife installation. The upper side of the middle part of the knife head is provided with a guide slot and a flute, the guide wooden key is arranged in the guide slot, the knife head is connected with the knife rod by a screw, and then the elongating knife rod unit for the lathe is formed. The utility model effectively solves the internal diameter machining technology problem of the lathe for machining straight pipes which has the characteristics of low machinability, high requirement of the coaxiality of the inner diameter and the outer diameter and long blank. The utility model improves the product quality and the machinability of the lathe.
Description
(1) technical field
The utility model relates to the lathe frock, particularly adds the bigger lathe of section chief's straight tube and internal diameter spreading knife bar group.
(2) background technology
Normal conditions, processing straight tube endoporus on lathe adopts the whole rimmer knife bar of staight shank, the method that clamping cuts on square tool post.But require the straight tube internal diameter processing high, that blank is long for difficult Material Processing, interior external diameter axiality, as the long straight tube internal diameter processing of OCr18Ni9Ti, can't process reason with said method: the one arbor stiffness does not satisfy the requirement of endoporus machining accuracy; It two does not get rid of sticking and long smear metal difficulty; It three can not provide sufficient cooling fluid for cutting.The utility model can improve processing conditions, has guaranteed machining accuracy effectively.
(3) summary of the invention
Technical problem to be solved in the utility model, provide a kind of have reduce heat in metal cutting, chip removal effectively, strengthen the integral rigidity structure and can solve difficult Material Processing, interior external diameter axiality requires high, as to satisfy the straight tube endoporus requirement on machining accuracy of blank length lathe spreading knife bar group.
The technical scheme that the utility model adopted is:
Lathe comprises chuck, knife bar, cutter head, guiding wood key, knife bar seat with spreading knife bar group.Chuck is the special-purpose chuck that clamps long straight tube, and chuck is installed on the chuck of lathe spindle.Be laid with cooling liquid outlet on the cutter head, cooling liquid outlet communicates with the cooling fluid main channel by the cooling fluid subchannel of establishing in the cutter head, and the cooling fluid main channel communicates with the high-pressure coolant that the knife bar hollow bulb is carried.Be provided with the square hole of mounting cutter at the inner cone body of cutter head, the screwed hole of cutter fastening bolt is laid in the square hole top, the upper wall of its screwed hole and square hole connects, the cylinder of square hole rear side is provided with the rectangular opening that floating tooling is installed, cutter head is provided with gathering sill and chip area above the middle part, the guiding wood key is installed in the gathering sill, and cutter head is by being threaded on the knife bar.Knife bar passes the knife bar seat and is supported on the knife bar seat, and the cooperation of knife bar seat is installed on the middle carriage of lathe, constitutes lathe spreading knife bar group.
The square hole of set mounting cutter is three on the above-mentioned cutter head, and the rectangular opening that floating tooling is installed is one.
Above-mentioned knife bar is a hollow, and its rear end sealing connects a high-pressure coolant input mouth.
Above-mentioned cutter head is assemblied in the knife bar, connects with rectangular thread simultaneously, and it is solid on knife bar that cutter head is connected.
Three square holes of set mounting cutter on the above-mentioned cutter head, nine screwed holes are laid in its square hole top.
The utility model has solved lathe effectively and has required straight tube internal diameter process technology problem high, that blank is long for difficult Material Processing, interior external diameter axiality, as to use the utility model be the straight tube processing internal diameter of 1060-1840mm to material OCr18Ni9Ti, length, guaranteed that interior external diameter axiality is less than 0.3mm, the both ends of the surface depth of parallelism is less than 0.5mm, machined surface roughness Ra≤6.3mm.The guiding wood key is installed on the cutter head plays unsteady supporting role, improve and guarantee the integral rigidity of spreading knife bar group, cutter head also is provided with chip area, has improved machining condition, has improved the lathe grinding performance.
(4) description of drawings
Fig. 1 is the utility model structural representation.
Fig. 2 is Fig. 1 N place enlarged drawing.
Fig. 3 is Figure 1A-A place enlarged drawing.
Fig. 4 is a cooling passage partial sectional view of the present utility model.
Fig. 5 is that the K of Fig. 2 is to view.
(5) specific embodiment
Lathe comprises chuck 1, cutter head 4, knife bar 5, guiding wood key 3, knife bar seat 6 with spreading knife bar group.
Chuck 1 is the special-purpose chuck that clamps long straight tube 2, and chuck 1 is installed on the chuck of lathe spindle, and the straight tube 2 of clamping can keep concentricity and perpendicularity with lathe spindle.
Cutter head 4, the inner cone body of cutter head 4 is provided with the square hole 7 of three mounting cutters, three screwed holes 9 of cutter fastening bolt are laid in the top of each square hole 7, its screwed hole 9 connects with the upper wall of square hole 7, the cylinder of square hole 7 rear sides is provided with the rectangular opening 8 that floating tooling is installed, and the unsteady cutter that is installed in rectangular opening 8 adds that to reduce the precision of lathe own man-hour be the influence of workpiece.Cutter head 4 middle parts are provided with four gathering sills 11 and two chip areas 10, and its chip area 10 is scrap fallaway in time.Also be laid with a plurality of cooling liquid outlets 12 on the cutter head 4, cooling liquid outlet 12 communicates with cooling fluid main channel 14 by the cooling fluid subchannel 13 of establishing in the cutter head 4, cooling fluid main channel 14 communicates with the high-pressure coolant that knife bar 5 hollow bulbs are carried, for cutting provides sufficient cooling.
Knife bar 5, knife bar 5 are to be used to connect cutter head 4 and coolant system, and knife bar 5 is a hollow, and its rear end sealing connects a high-pressure coolant input mouth 15, is used to carry high-pressure coolant.Guiding wood key 3 is the lignum vitae material, be installed on the above-mentioned cutter head 4 in the gathering sill 11, it plays unsteady supporting role, has strengthened the integral rigidity of lathe with spreading knife bar group, and guiding wood key 3 contacts with the blank tube wall, its running-in characteristic is good, can choose less contact gap, make processing steadily, can guarantee machining accuracy again, guiding wood key 3 is chosen hardwood, and the direction of fiber is consistent with direction of rotation more wear-resistant.
Cutter head 4 is assemblied in the knife bar 5, make circumferential location with Φ 155H7/g6 cooperation, do axial location with the shaft shoulder, connect with rectangular thread simultaneously, it is solid on knife bar 5 that cutter head 4 is connected, and knife bar 5 passes knife bar seat 6 and is supported on the knife bar seat 6,6 cooperations of knife bar seat are installed on the middle carriage of lathe, it is whole that its center is adjustable, guarantees and the axiality of lathe, so just constitutes lathe spreading knife bar group.
Claims (5)
1, lathe spreading knife bar group, comprise chuck (1), knife bar (5), cutter head (4), knife bar seat (6), it is characterized in that cutter head (4) is laid with cooling liquid outlet (12), cooling liquid outlet (12) communicates with cooling fluid main channel (14) by the cooling fluid subchannel (13) of establishing in the cutter head (4), cooling fluid main channel (14) communicates with the high-pressure coolant that knife bar (5) hollow bulb is carried, be provided with the square hole (7) of mounting cutter at the inner cone body of cutter head (4), the screwed hole (9) of cutter fastening bolt is laid in square hole (7) top, its screwed hole (9) connects with the upper wall of square hole (7), the cylinder of square hole (7) rear side is provided with the rectangular opening (8) that floating tooling is installed, cutter head (4) is provided with gathering sill (11) and chip area (10) above the middle part, guiding wood key (3) is installed in gathering sill (11), cutter head (4) is by being threaded on the knife bar (5), knife bar (5) passes knife bar seat (6) and is supported on the knife bar seat (6), and knife bar seat (6) cooperation is installed on the middle carriage of lathe.
2, lathe according to claim 1 is characterized in that with spreading knife bar group it is three that described cutter head (4) is gone up the square hole (7) of set mounting cutter.
3, lathe according to claim 1 is characterized in that with spreading knife bar group described knife bar (5) is hollow, and its rear end sealing connects a high-pressure coolant input mouth (15).
4, lathe according to claim 1 is characterized in that with spreading knife bar group described cutter head (4) is assemblied in the knife bar (5), is connected with knife bar (5) by rectangular thread.
5, lathe according to claim 1 is characterized in that with spreading knife bar group the inner cone body of cutter head (4) is provided with three square holes (7) of mounting cutter, and three screwed holes (9) are laid in each square hole (7) top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03211077 CN2595502Y (en) | 2003-01-21 | 2003-01-21 | Elongating knife rod unit for lathe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03211077 CN2595502Y (en) | 2003-01-21 | 2003-01-21 | Elongating knife rod unit for lathe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2595502Y true CN2595502Y (en) | 2003-12-31 |
Family
ID=33754247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03211077 Expired - Lifetime CN2595502Y (en) | 2003-01-21 | 2003-01-21 | Elongating knife rod unit for lathe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2595502Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101372040B (en) * | 2008-09-11 | 2010-06-09 | 钱利敏 | Seamless steel pipe inner bore cutting and processing equipment as well as method for processing the same |
| CN102476195A (en) * | 2010-11-30 | 2012-05-30 | 哈尔滨建成集团有限公司 | Special tool rest for machining inner bore |
| CN102501074A (en) * | 2011-10-12 | 2012-06-20 | 罗键 | Cutting-stirring friction-welding combined machining equipment and manufacturing method thereof |
| CN105171001A (en) * | 2015-09-22 | 2015-12-23 | 武汉重工铸锻有限责任公司 | Machining device and machining method of high-hardness deep blind hole special-shaped curved surface |
| CN106514316A (en) * | 2016-12-05 | 2017-03-22 | 中北大学 | Drill rod supporting device |
| CN110549135A (en) * | 2019-09-23 | 2019-12-10 | 四川旭虹光电科技有限公司 | variable diameter hinge reaming centralizer |
-
2003
- 2003-01-21 CN CN 03211077 patent/CN2595502Y/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101372040B (en) * | 2008-09-11 | 2010-06-09 | 钱利敏 | Seamless steel pipe inner bore cutting and processing equipment as well as method for processing the same |
| CN102476195A (en) * | 2010-11-30 | 2012-05-30 | 哈尔滨建成集团有限公司 | Special tool rest for machining inner bore |
| CN102476195B (en) * | 2010-11-30 | 2013-04-17 | 哈尔滨建成集团有限公司 | Special tool rest for machining inner bore |
| CN102501074A (en) * | 2011-10-12 | 2012-06-20 | 罗键 | Cutting-stirring friction-welding combined machining equipment and manufacturing method thereof |
| CN102501074B (en) * | 2011-10-12 | 2014-04-16 | 罗键 | Cutting-stirring friction-welding combined machining equipment and manufacturing method thereof |
| CN105171001A (en) * | 2015-09-22 | 2015-12-23 | 武汉重工铸锻有限责任公司 | Machining device and machining method of high-hardness deep blind hole special-shaped curved surface |
| CN106514316A (en) * | 2016-12-05 | 2017-03-22 | 中北大学 | Drill rod supporting device |
| CN106514316B (en) * | 2016-12-05 | 2018-08-17 | 中北大学 | A kind of drill steel support device |
| CN110549135A (en) * | 2019-09-23 | 2019-12-10 | 四川旭虹光电科技有限公司 | variable diameter hinge reaming centralizer |
| CN110549135B (en) * | 2019-09-23 | 2021-03-02 | 绵阳骏伟科技有限公司 | Variable diameter hinge reaming centralizer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110757105A (en) | Machining method of thin-wall sleeve type part | |
| CN201201067Y (en) | Combined drill and reamer | |
| CN201067813Y (en) | Large-scale deep hole drill boring lathe | |
| CN2595502Y (en) | Elongating knife rod unit for lathe | |
| CN201711548U (en) | Combined adjustable tool holder | |
| CN209736659U (en) | Guide strip knife | |
| CN109128323A (en) | A kind of double helix side edge milling cutter towards composite material hole milling | |
| CN100509196C (en) | Method for processing deep hole drill knife bar chip area utilizing common planning cart and special tool thereof | |
| CN2675309Y (en) | Multi-spindle multi-cutter multi-blade diamond fine boring machine | |
| CN1806979A (en) | Ring-cutting knife | |
| CN2845979Y (en) | Tool special for floating boring and cutting deep hole | |
| CN204171383U (en) | A kind of deep hole quick change knife bar | |
| CN103212955A (en) | Machining method of conical pin holes for connection of rudderstock and tiller | |
| CN201760627U (en) | X-shaped contour-parallel tool with guide sealing device | |
| CN206997934U (en) | A kind of quick-change type welds reamer | |
| CN207942071U (en) | Modified endoporus Lathe Tool for Cutting Trapezoid Threads | |
| CN213105738U (en) | Positioning tool for machining excircle of slender thin-wall pipe fitting | |
| CN2843686Y (en) | Speical outlet crank cutter bar of boring and milling machine | |
| CN218135023U (en) | Special cutter for machining valve disc | |
| CN213614195U (en) | Combined tool for processing mounting screw hole of cylinder cover of cylinder body at one time | |
| CN216990051U (en) | Milling cutter with unequal blade diameters | |
| CN220462245U (en) | Internal cooling row tool rest for numerical control lathe | |
| CN215746473U (en) | Diesel engine frame deep hole chamfer cutter | |
| CN214602338U (en) | Machining device for large-pitch multi-thread trapezoidal threads in ultra-deep hole | |
| CN215698056U (en) | Adjustable direction boring cutter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: BOHAI SHIPYARD GROUP CO., LTD. Free format text: FORMER OWNER: BOHAI SHIP HEAVY INDUSTRY CO LTD. Effective date: 20100813 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 125004 TECHNOLOGY CENTER OF BOHAI SHIPBUILDING HEAVY INDUSTRY CO., LTD. LONGGANG DISTRICT, HULUDAO CITY, LIAONING PROVINCE TO: 125000 NO.132, JINHU ROAD, LONGGANG DISTRICT, HULUDAO CITY, LIAONING PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20100813 Address after: 125000 Huludao City, Liaoning province Longgang District Jinhu Road No. 132 Patentee after: Bohai Shipyard Group Co., Ltd. Address before: 125004 technical center of Bohai Shipbuilding Heavy Industry Co., Ltd., Longgang District, Huludao, Liaoning Patentee before: Bohai Ship Heavy Industry Co., Ltd. |
|
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20130121 Granted publication date: 20031231 |