CN203197280U - Turning-milling dual-purpose blade for heavy shaft forge pieces - Google Patents
Turning-milling dual-purpose blade for heavy shaft forge pieces Download PDFInfo
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- CN203197280U CN203197280U CN 201320150366 CN201320150366U CN203197280U CN 203197280 U CN203197280 U CN 203197280U CN 201320150366 CN201320150366 CN 201320150366 CN 201320150366 U CN201320150366 U CN 201320150366U CN 203197280 U CN203197280 U CN 203197280U
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Abstract
The utility model belongs to the technical field of tools for turning-milling machining and discloses a turning-milling dual-purpose blade for heavy shaft forge pieces in order to solve the problems that currently, in a heavy shaft forge piece hydrogenation barrel section rough machining process, large-scale cuttings are hard in chip breaking, tool-chip friction is high, so that a tool is severe in abrasion, radiation conditions are bad during a cutting process, high temperate makes a tool body to be soft, and accordingly tool-chip binding happens, and blades for turning machining and milling machining cannot be universal. An arc transition blade is arranged at the blade tip portions between every two adjacent straight-line-shaped cutting blades. The four corners of a protruding platform are provided with four V-shaped boss sets. Four middle boss sets are arranged in the middle portions of four side faces of the protruding platform. Chip breaking grooves are formed between oblique faces of the protruding platform and oblique faces of protruding edges. A fastening screw counter bored hole is machined in the protruding platform, and a front tool face radiating groove communicated with the fastening screw counter bored hole is machined in the protruding platform. A tool bottom radiating groove communicated with the fastening screw counter bored hole is machined in the bottom tool face of the blade. The turning-milling dual-purpose blade is used for large-cutting-depth milling machining on large-scale hydrogenation barrel section workblanks.
Description
Technical field
The utility model belongs to turnning and milling tool technical field, relates in particular to the special-purpose turnning and milling dual-purpose knife of a kind of heavy forged shaft sheet.
Background technology
Large-scale hydrogenation shell ring blank is directly to forge to form, and weight can reach more than 400 ton, and work surface has the unexistent forging defect of a lot of common forgings, such as: forge shovel ditch, oxide skin, forge crack and metal covering etc.; The used material of hydrogenation shell ring is more special, has very strong high temperature toughness.At present, the waste processing of hydrogenation shell ring need to be carried out turning and Milling Process, processing cutter for same such as turning is the welded type lathe tool of single-blade, the cutting data that forging defect causes in the process changes very greatly, the mechanical shock that cutter bears is in the dynamic change constantly, the cutting force maximum can reach about 10 tons, cutter is easy to be hit and ruptures, add that present cutter does not have chip-breaker, make the smear metal in the process be difficult to fracture, be wrapped on the cutter, make the radiating condition variation of cutter, thereby cause cutting zone temperature constantly raise (can reach 1000 ℃).A large amount of heat in metal cuttings are deposited on the cutting zone, have accelerated the softening of cutter, thereby are easy to cause that the cutting edge of cutter and smear metal produce cutter-bits bonding phenomenon, and cutter life is low, seriously restricts the raising of production efficiency.In addition, the used blade of the turning of extreme heavy forged shaft and Milling Process is different at aspects such as 26S Proteasome Structure and Functions, can't be general mutually, thus there are function singleness, range of application is narrow, versatility is poor problem.
The utility model content
The purpose of this utility model provides the special-purpose turnning and milling dual-purpose knife of a kind of heavy forged shaft sheet, to solve at present in the waste process of heavy forged shaft hydrogenation shell ring, large-scale smear metal chip breaking is difficult, cutter-bits friction is large, cause tool wear serious, radiating condition is poor in the working angles, and high temperature bonds the softening cutter-bits that cause of cutter hub, and can't be the mutually general problem of turning and the used blade of Milling Process.
In order to achieve the above object, technical solution adopted in the utility model is:
The special-purpose turnning and milling dual-purpose knife of heavy forged shaft sheet, the profile of described blade is the truncated rectangular pyramids shape, and the area of blade bed plate face is less than the area of blade rake face, four outer edge of blade rake face are processed with respectively four linear cutting edges, point of a knife place between every adjacent two linear cutting edges is provided with the circular arc transitional edges, link to each other by the circular arc transitional edges between every adjacent two linear cutting edges, the middle part of blade rake face is provided with the raised platforms of truncated rectangular pyramids shape, four bights of raised platforms are provided with four groups of V-arrangement boss, every group of V-arrangement boss is comprised of a large V-arrangement boss and two little V-arrangement boss, large V-arrangement boss is arranged on the diagonal of raised platforms, two little V-arrangement boss are symmetricly set on the both sides of large V-arrangement boss with respect to the center line of large V-arrangement boss, the tip of large V-arrangement boss and two little V-arrangement boss all arranges towards circular arc transitional edges direction, each links to each other the two ends of large V-arrangement boss with an end of a described little V-arrangement boss, the middle part of four sides of raised platforms is provided with four groups of middle part boss, every group of middle part boss arranges near corresponding linear cutting edge, every group of middle part boss is comprised of a middle part V-arrangement boss and two arc cams, two arc cams are symmetricly set on the both sides of middle part V-arrangement boss with respect to the center line of middle part V-arrangement boss, the top of two arc cams and middle part V-arrangement boss all arranges outwardly, each links to each other the two ends of middle part V-arrangement boss with an end of a described arc cam, the edge of blade rake face is equipped with protruding stupefied, protruding stupefied and raised platforms adjacent side are the inclined-plane that tilts to blade bed plate face direction, by forming chip-breaker between the inclined-plane of raised platforms and the protruding stupefied inclined-plane, the geometric center place that is positioned at blade on the raised platforms is processed with the trip bolt counterbore along the blade thickness direction, be processed with respectively the rake face radiating groove that an end communicates with the trip bolt counterbore on four diagonal of raised platforms, be positioned on the blade bed plate face on four diagonal connect respectively be processed with four with radiating groove at the bottom of the cutter that the trip bolt counterbore communicates, the relief angle α of described blade
0=7 °, the radius of circular arc transitional edges is 5mm.
The beneficial effects of the utility model:
1, the profile of blade is the truncated rectangular pyramids shape, and is provided with four cutting edges, has Duoed three cutting edges than the heavy blade of existing waste processing.The quantity of cutting edge is present four times, and can significantly improve service life, can be present four times in theory.
2, link to each other by the circular arc transitional edges between every adjacent two linear cutting edges, not only can improve point of a knife intensity, improve the shock resistance of cutter, make simultaneously stable cutting, vibration reduces.
3, four groups of V-arrangement boss are arranged near the circular arc transitional edges, play the effect of reinforcement, improved the point of a knife impact resistance, and reduced large-scale smear metal to the friction at cutter cutting edge anterior angle position, reduced cutter-bits contact area, increased simultaneously the efficiently radiates heat area of cutter, favourable to the cooling of cutter.In addition, can also reduce the crimp radius of smear metal, play the effect of chip breaking.
4, the middle part of four of raised platforms sides is provided with four groups of middle part boss, and four groups of middle part boss are near the cutting edge setting, play the effect of reinforcement, played simultaneously and reduced friction, reduce cutter-bits contact area, increase the effect of efficiently radiates heat area, in addition, smear metal is intercepted, prevent when large-scale chip curling from flowing out the destruction to adjacent point of a knife.
5, the side of raised platforms can make smear metal become more smoothly smooth and easy when entering curling bending as the dust lead wall, has also played simultaneously to reduce friction, reduces cutter-bits contact area, increases the effect of efficiently radiates heat area.
6, the rake face radiating groove is set, reduces cutter-bits contact area, increased the rake face area of dissipation, be convenient to the circulation of air, be beneficial to the quick cooling of blade.When cutting fluid is arranged, can carry out the volume drainage to cutting fluid, make cutting fluid in time take away heat on rake face and the trip bolt, play very large cooling and lubricating effect.
7, the rake face chip-breaker is set, make the heat in metal cutting that produces in the working angles only have a small amount of boss that is gathered in the groove both sides, and the position that is not touched will be the heat transferred air, and most of heat in metal cutting will be taken away by smear metal simultaneously, thereby plays very large cooling and lubricating effect.If useful cooling fluid, rake face chip-breaker also will play the effect of volume cooling fluid, blade is cooled off fast.And because the rake face chip-breaker is three-dimensional structure, the tool setting bits play good dust lead and curling action, make the very large smear metal of toughness under the effect of crimp force, occur very large Texturizedly, and finally fracture.
8, the bed plate face is as the support convex surface of cutter, and effectively vibrationproof, and the repetitive positioning accuracy in the raising blade installation process have also improved stable cutting.
9, be designed with radiating groove on the bed plate face; mainly be in order to protect knife bar (turning) and cutterhead (milling); the existence of radiating groove; in the middle of making blade and knife bar (or cutterhead) contact area circulation of air is arranged; play cooling effect, also reduced the contact area of blade and knife bar (or cutterhead) simultaneously.When using cutting fluid, can carry out the volume drainage to cutting fluid, make cutting fluid in time take away heat on blade bottom, knife bar (or cutterhead) and the trip bolt, it is adequately protected.
10, but blade turnning and milling of the present utility model is dual-purpose, has practical characteristics.
Description of drawings
Fig. 1 is the front view of the special-purpose turnning and milling dual-purpose knife of heavy forged shaft of the present utility model sheet, and Fig. 2 is the top view of Fig. 1, and Fig. 3 is the A-A cutaway view of Fig. 2, and Fig. 4 is the upward view of Fig. 1, and Fig. 5 is the B-B cutaway view of Fig. 4.
The specific embodiment
The specific embodiment one: such as Fig. 1-shown in Figure 5, the special-purpose turnning and milling dual-purpose knife of the heavy forged shaft sheet of present embodiment, the profile of described blade is the truncated rectangular pyramids shape, and the area of blade bed plate face is less than the area of blade rake face, it is characterized in that: four outer edge of blade rake face are processed with respectively four linear cutting edges 1, point of a knife place between every adjacent two linear cutting edges 1 is provided with circular arc transitional edges 6, link to each other by circular arc transitional edges 6 between every adjacent two linear cutting edges 1, the middle part of blade rake face is provided with the raised platforms 7 of truncated rectangular pyramids shape, four bights of raised platforms 7 are provided with four groups of V-arrangement boss, every group of V-arrangement boss is comprised of a large V-arrangement boss 7-1 and two little V-arrangement boss 7-2, large V-arrangement boss 7-1 is arranged on the diagonal of raised platforms 7, two little V-arrangement boss 7-2 are symmetricly set on the both sides of large V-arrangement boss 7-1 with respect to the center line of large V-arrangement boss 7-1, the tip of large V-arrangement boss 7-1 and two little V-arrangement boss 7-2 is all towards the 6 direction settings of circular arc transitional edges, each links to each other the two ends of large V-arrangement boss 7-1 with the end of a described little V-arrangement boss 7-2, the middle part of four sides of raised platforms 7 is provided with four groups of middle part boss, every group of middle part boss arranges near corresponding linear cutting edge 1, every group of middle part boss is comprised of a middle part V-arrangement boss 7-3 and two arc cam 7-4, two arc cam 7-4 are symmetricly set on the both sides of middle part V-arrangement boss 7-3 with respect to the center line of middle part V-arrangement boss 7-3, the top of two arc cam 7-4 and middle part V-arrangement boss 7-3 all arranges outwardly, each links to each other the two ends of middle part V-arrangement boss 7-3 with the end of a described arc cam 7-4, the edge of blade rake face is equipped with protruding stupefied, protruding stupefied and raised platforms 7 adjacent side are the inclined-plane (side of raised platforms 7 is the dust lead wall) that tilts to blade bed plate face direction, by forming chip-breaker 9 between the inclined-plane of raised platforms 7 and the protruding stupefied inclined-plane, the geometric center place that is positioned at blade on the raised platforms 7 is processed with trip bolt counterbore 4 along the blade thickness direction, be processed with respectively the rake face radiating groove 8 that an end communicates with trip bolt counterbore 4 on four diagonal of raised platforms 7, be positioned on the blade bed plate face on four diagonal connect respectively be processed with four with radiating groove 11 at the bottom of the cutter that trip bolt counterbore 6 communicates, the relief angle α of described blade
0=7 °, the radius of circular arc transitional edges 6 is 5mm.Select the orthodrome design, improved the shock resistance of point of a knife intensity and cutter, make simultaneously stable cutting, vibration reduces.
The specific embodiment two: in conjunction with Fig. 1, Fig. 3 and Fig. 5 explanation, the thickness S=10mm of the described blade of present embodiment.Satisfy requirement of strength.Undocumented technical characterictic is identical with the specific embodiment one in the present embodiment.
The specific embodiment three: the anterior angle of the described blade of present embodiment=10 °.Undocumented technical characterictic is identical with the specific embodiment two in the present embodiment.
The specific embodiment four: the cutting edge inclination of the described blade of present embodiment is 0 °.Undocumented technical characterictic is identical with the specific embodiment three in the present embodiment.
When the special-purpose turnning and milling dual-purpose knife of heavy forged shaft of the present utility model sheet used, whole blade was fixed on the lathe tool knife bar (or milling cutter body) by trip bolt.
Extreme heavy type in the extreme heavy forged shaft generally refers to large diameter cylinder type workpiece or the heavy wall cylindrical work pieces of working under high temperature and high pressure environment, its Surface Machining is in bad condition, there are the defectives such as shovel ditch, oxide skin, burning into sand, forging fold, difficulty of processing is large, is mainly manifested in cutting force greatly (maximum can reach about 10t), cutting temperature high (reaching as high as 1000 ℃ in the actual processing), toughness of material is large, the chip breaking difficulty, cutter life is short, and production efficiency is low.
Claims (4)
1. the special-purpose turnning and milling dual-purpose knife of heavy forged shaft sheet, the profile of described blade is the truncated rectangular pyramids shape, and the area of blade bed plate face is less than the area of blade rake face, it is characterized in that: four outer edge of blade rake face are processed with respectively four linear cutting edges (1), point of a knife place between every adjacent two linear cutting edges (1) is provided with circular arc transitional edges (6), link to each other by circular arc transitional edges (6) between every adjacent two linear cutting edges (1), the middle part of blade rake face is provided with the raised platforms (7) of truncated rectangular pyramids shape, four bights of raised platforms (7) are provided with four groups of V-arrangement boss, every group of V-arrangement boss is comprised of a large V-arrangement boss (7-1) and two little V-arrangement boss (7-2), large V-arrangement boss (7-1) is arranged on the diagonal of raised platforms (7), two little V-arrangement boss (7-2) are symmetricly set on the both sides of large V-arrangement boss (7-1) with respect to the center line of large V-arrangement boss (7-1), the tip of large V-arrangement boss (7-1) and two little V-arrangement boss (7-2) is all towards circular arc transitional edges (6) direction setting, each links to each other the two ends of large V-arrangement boss (7-1) with an end of a described little V-arrangement boss (7-2), the middle part of four sides of raised platforms (7) is provided with four groups of middle part boss, every group of middle part boss arranges near corresponding linear cutting edge (1), every group of middle part boss is comprised of a middle part V-arrangement boss (7-3) and two arc cams (7-4), two arc cams (7-4) are symmetricly set on the both sides of middle part V-arrangement boss (7-3) with respect to the center line of middle part V-arrangement boss (7-3), the top of two arc cams (7-4) and middle part V-arrangement boss (7-3) all arranges outwardly, each links to each other the two ends of middle part V-arrangement boss (7-3) with an end of a described arc cam (7-4), the edge of blade rake face is equipped with protruding stupefied, protruding stupefied and raised platforms (7) adjacent side are the inclined-plane that tilts to blade bed plate face direction, by forming chip-breaker (9) between the inclined-plane of raised platforms (7) and the protruding stupefied inclined-plane, the geometric center place that is positioned at blade on the raised platforms (7) is processed with trip bolt counterbore (4) along the blade thickness direction, be processed with respectively the rake face radiating groove (8) that an end communicates with trip bolt counterbore (4) on four diagonal of raised platforms (7), be positioned on the blade bed plate face on four diagonal connect respectively be processed with four with radiating groove (11) at the bottom of the cutter that trip bolt counterbore (6) communicates, the relief angle α of described blade
0=7 °, the radius of circular arc transitional edges (6) is 5mm.
2. the special-purpose turnning and milling dual-purpose knife of described heavy forged shaft sheet according to claim 1 is characterized in that: the thickness S=10mm of described blade.
3. the special-purpose turnning and milling dual-purpose knife of described heavy forged shaft sheet according to claim 2 is characterized in that: the anterior angle of described blade=10 °.
4. the special-purpose turnning and milling dual-purpose knife of described heavy forged shaft sheet according to claim 3, it is characterized in that: the cutting edge inclination of described blade is 0 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320150366 CN203197280U (en) | 2013-03-29 | 2013-03-29 | Turning-milling dual-purpose blade for heavy shaft forge pieces |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320150366 CN203197280U (en) | 2013-03-29 | 2013-03-29 | Turning-milling dual-purpose blade for heavy shaft forge pieces |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203197280U true CN203197280U (en) | 2013-09-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320150366 Expired - Fee Related CN203197280U (en) | 2013-03-29 | 2013-03-29 | Turning-milling dual-purpose blade for heavy shaft forge pieces |
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| Country | Link |
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| CN (1) | CN203197280U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103862074A (en) * | 2014-04-08 | 2014-06-18 | 哈尔滨理工大学 | Heavy cutting blade of double-chip-breaking structure |
-
2013
- 2013-03-29 CN CN 201320150366 patent/CN203197280U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103862074A (en) * | 2014-04-08 | 2014-06-18 | 哈尔滨理工大学 | Heavy cutting blade of double-chip-breaking structure |
| CN103862074B (en) * | 2014-04-08 | 2016-02-10 | 哈尔滨理工大学 | A kind of double break bits structure heavy cutting blade |
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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: 20130918 Termination date: 20140329 |