CN203076613U - Special ultimate-ultra-heavy-load large-cutting-depth impact-resistant type blade - Google Patents
Special ultimate-ultra-heavy-load large-cutting-depth impact-resistant type blade Download PDFInfo
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- CN203076613U CN203076613U CN 201320122668 CN201320122668U CN203076613U CN 203076613 U CN203076613 U CN 203076613U CN 201320122668 CN201320122668 CN 201320122668 CN 201320122668 U CN201320122668 U CN 201320122668U CN 203076613 U CN203076613 U CN 203076613U
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Abstract
The utility model discloses a special ultimate-ultra-heavy-load large-cutting-depth impact-resistant type blade, and belongs to the technical field of tools for turning machining, aiming at solving the problems that the existing tools for turning machining are single-edge welded type turning tools and very easy to break due to an impact, a tool-chip bonding phenomenon between the cutting edges of the tools and chips is easy to cause because the tools are not provided with chip-breaking grooves, the tools are low in service life, and increase for the production efficiency is seriously restricted. According to the special ultimate-ultra-heavy-load large-cutting-depth impact-resistant type blade, a long cutting edge and a short cutting edge are machined at the edge of the front blade surface of the blade; a double-arc tool nose is machined at the corner part of the front blade surface of the blade; the projected platform side surface of the front blade surface of the blade is an arc-shaped concave surface; the area encircled by the arc-shaped concave surface and the peripheral side of the front blade surface of the blade forms an arc-shaped chip-breaking groove; a flow guide groove is formed around the bottom of the arc-shaped chip-breaking groove; a tooth-shaped groove is machined in the peripheral side of a fastening screw counter bore; a blade bottom overflow heat dissipation hole is machined in the bottom surface convex column of the blade; and a blade bottom centre heat dissipation hole is formed between two support bosses. The special ultimate-ultra-heavy-load large-cutting-depth impact-resistant type blade disclosed by the utility model is used for large-cutting-depth turning machining in rough machining for large forging blanks.
Description
Technical field
The utility model belongs to turning tool technical field, relates in particular to the special-purpose blade of the big cutting-in shock resistance of a kind of limit super-heavy load type.
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 be carried out turning and Milling Process, as turning processing cutter for same 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 quickened 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.
The utility model content
The purpose of this utility model provides the special-purpose blade of the big cutting-in shock resistance of a kind of limit super-heavy load type, to solve present turning processing cutter for same is the welded type lathe tool of single-blade, cutter is easy to be hit and ruptures, and because cutter is not provided with chip-breaker, the cutting edge and the smear metal that cause cutter easily produce cutter-bits bonding phenomenon, cutter life is low, seriously restricts the problem that production efficiency improves.
In order to achieve the above object, technical solution adopted in the utility model is:
The special-purpose blade of the big cutting-in shock resistance of limit super-heavy load type, the horizontal cross sectional geometry of described blade is a rectangle, the cross sectional shape that described blade is parallel to the cross section of length direction and is parallel to width is isosceles trapezoid, the area of blade bottom surface is less than the area of blade rake face, two long edges of blade rake face are processed with a long cutting edge respectively, two minor face edge places of blade rake face are processed with a short cutting edge respectively, four bights of blade rake face are processed with two arc points of a knife respectively, the middle part of blade rake face is provided with rectangular raised platform, the area of described raised platform is less than the area of blade rake face, four sides of raised platform are arc-shaped concave, the zone that is surrounded by four arc-shaped concaves and the blade rake face neighboring of raised platform constitutes the arc chip-breaker, the arc chip-breaker is provided with diversion groove around the bottom, the geometric center place that is positioned at the blade rake face on the raised platform is processed with the trip bolt counterbore along the blade thickness direction, be positioned at the uniform profile of tooth groove that is processed with of outer circumference of trip bolt counterbore on the raised platform, blade bottom surface broad ways is provided with two projections, two projections are symmetrical arranged with respect to the center of trip bolt counterbore, be processed with overflow louvre at the bottom of the cutter of perforation along its length direction in each projection, the overflow louvre communicates with the trip bolt counterbore at the bottom of the cutter, the blade bottom surface is provided with two support rims along its length, two support rims are symmetrical arranged with respect to the center line of blade bottom surface length direction, constitute center radiating groove at the bottom of the cutter between space between two support rims and the blade bottom surface, the zone that is surrounded by the lateral surface and the neighboring, blade bottom surface of support rim constitutes cutter bottom perimeter radiating groove, thickness S=8～the 10mm of described blade, the relief angle α of described blade
0=8 °.
The beneficial effects of the utility model:
1, the utility model adopts monolithic construction, the cutter not easy fracture that is hit, owing to be provided with long cutting edge and short cutting edge, when the large forgings blank being carried out big cutting-in turning roughing, adopts long cutting edge can improve stock-removing efficiency; Under the situation that does not need full depth, select short cutting edge for use, can improve machining accuracy.
2, two arc points of a knife adopt two bar curve circular arc designs, in working angles, can effectively reduce cutting resistance, smear metal edge to generation pushes in advance, thereby has promoted the chip breaking effect of arc chip-breaker, and can well reduce the cutting noise and improve the blade shock resistance.
3, be provided with four hemispherical projections at four two arc point of a knife places of blade rake face next-door neighbour, reduced the degree of depth of the arc chip-breaker of long cutting edge and short cutting edge junction, curling favourable to little smear metal when little cutting depth, the smear metal that produces in the time of simultaneously can be to full depth is effectively led and has been reduced near the point of a knife contact area with smear metal, thereby has reduced the heat transmission of cutter-bits at the point of a knife place.
4, design arc chip-breaker, and the dust lead wall of arc chip-breaker (being the side of raised platform) designs for circular arc, can not only effectively promote the intensity and the working angles precision of arc chip-breaker, can effectively large-scale smear metal be curled and lead simultaneously, reduce large-scale smear metal and walk crosswise the possibility of swing, the cutting edge and the smear metal that prevent blade produce cutter-bits bonding phenomenon, have prolonged the service life of blade, have improved production efficiency.
5, design has diversion groove around arc chip-breaker bottom, effectively reduced the contact area of smear metal and arc chip-breaker bottom, simultaneously the effective volume cutting fluid of energy under the situation of using cutting fluid is being arranged, well the blade cutting zone carries out radiating and cooling.
6, be positioned at the uniform profile of tooth groove that is processed with of outer circumference of trip bolt counterbore on the raised platform, this profile of tooth groove can not only the volume cutting fluid, simultaneously the fastening screw head of a nail that passes the trip bolt counterbore is immersed in the cutting fluid of profile of tooth groove institute volume, good effect is played in the cooling of trip bolt; When smear metal was flowed through herein, the liquid film that cutting fluid is formed around the profile of tooth groove was broken simultaneously, thereby formed new cutting liquid film cooling rake face and trip bolt.
7, the blade bottom design has projection, and portion offers overflow louvre at the bottom of the cutter that communicates with the trip bolt hole within it, and the cutting fluid and the air that enter the trip bolt hole can be discharged by overflow louvre at the bottom of the cutter, thereby plays the effect of cold and hot exchange.
8, the center radiating groove passes the trip bolt hole at the bottom of the cutter, has not only increased the efficiently radiates heat area of blade bottom, has also reduced the contact area of blade and knife bar simultaneously, has reduced the heat transmission between blade and knife bar, and the function of volume cutting fluid is arranged.
9, design has cutter bottom perimeter radiating groove around blade bottom, has effectively increased the area of dissipation of blade bottom, can play cutting fluid and air that volume cutting fluid and drainage overflow louvre at the bottom of the cutter is discharged simultaneously.
10, blade bottom and knife bar are installed the position that contacts and are designed to support rim at the bottom of the cutter, have reduced the contact area between blade and knife bar, have reduced the required required precision of installation simultaneously, and have played good antihunt action.
11, the blade of the present utility model maximum cutting force that can bear can reach 100～110KN, maximum depth of cut can reach 30mm, can satisfy the full depth requirement of big (maximum can reach tens tons) needs of workpiece material removal amount in the ultra-large type forging blank roughing process.Be 1.1 times of ordinary blade the service life of blade of the present utility model, and working (machining) efficiency more originally improved about 30%.
Description of drawings
Fig. 1 is the front view of the special-purpose blade of the big cutting-in shock resistance of limit super-heavy load of the present utility model type, Fig. 2 is the vertical view of Fig. 1, Fig. 3 is the A-A cutaway view of Fig. 2, Fig. 4 is the upward view of Fig. 1, Fig. 5 is the B-B cutaway view of Fig. 4, and Fig. 6 is the stereogram of the special-purpose blade of the big cutting-in shock resistance of limit super-heavy load of the present utility model type.
The specific embodiment
The specific embodiment one: as Fig. 1-shown in Figure 6, the special-purpose blade of the big cutting-in shock resistance of the limit super-heavy load type of present embodiment, the horizontal cross sectional geometry of described blade is a rectangle, the cross sectional shape that described blade is parallel to the cross section of length direction and is parallel to width is isosceles trapezoid, the area of blade bottom surface is less than the area of blade rake face, two long edges of blade rake face are processed with a long cutting edge 16 respectively, two minor face edge places of blade rake face are processed with a short cutting edge 17 respectively, four bights of blade rake face are processed with two arc points of a knife 1 respectively, the middle part of blade rake face is provided with rectangular raised platform 15, the area of described raised platform 15 is less than the area of blade rake face, four sides of raised platform 15 are arc-shaped concave 18, four arc-shaped concaves 18 by raised platform 15 constitute arc chip-breaker 3 with the zone that blade rake face neighboring surrounds, be provided with diversion groove 4 around arc chip-breaker 3 bottoms, the geometric center place that is positioned at the blade rake face on the raised platform 15 is processed with trip bolt counterbore 6 along the blade thickness direction, be positioned at the uniform profile of tooth groove 5 that is processed with of outer circumference of trip bolt counterbore 6 on the raised platform 15, blade bottom surface broad ways is provided with two projections 8, two projections 8 are symmetrical arranged with respect to the center of trip bolt counterbore 6, be processed with overflow louvre 7 at the bottom of the cutter of perforation along its length direction in each projection 8, overflow louvre 7 communicates with trip bolt counterbore 6 at the bottom of the cutter, the blade bottom surface is provided with two support rims 11 along its length, two support rims 11 are symmetrical arranged with respect to the center line of blade bottom surface length direction, constitute center radiating groove 10 at the bottom of the cutter between space between two support rims 11 and the blade bottom surface, the zone that is surrounded by the lateral surface and the neighboring, blade bottom surface of support rim 11 constitutes cutter bottom perimeter radiating groove 9, thickness S=8～the 10mm of described blade, the relief angle α of described blade
0=8 ° (being the angle between knife face 13 and the vertical plane behind the blade).
The specific embodiment two: in conjunction with Fig. 1-Fig. 3 and Fig. 5 and Fig. 6 explanation, four two arc point of a knife 1 places of next-door neighbour are provided with four hemispherical projections 2 on the described blade rake face of present embodiment, and hemispherical projections 2 is arranged on the diagonal of blade rake face.Undocumented technical characterictic is identical with the specific embodiment one in the present embodiment.
The specific embodiment three: the cutting edge inclination of the described blade of present embodiment is 0 °.Undocumented technical characterictic is identical with the specific embodiment two in the present embodiment.
When the special-purpose blade of the big cutting-in shock resistance of limit super-heavy load of the present utility model type used, blade was fixed on the knife bar (or cutterhead) by trip bolt.
Claims (3)
1. the special-purpose blade of the big cutting-in shock resistance of a limit super-heavy load type, the horizontal cross sectional geometry of described blade is a rectangle, it is characterized in that: the cross sectional shape that described blade is parallel to the cross section of length direction and is parallel to width is isosceles trapezoid, the area of blade bottom surface is less than the area of blade rake face, two long edges of blade rake face are processed with a long cutting edge (16) respectively, two minor face edge places of blade rake face are processed with a short cutting edge (17) respectively, four bights of blade rake face are processed with two arc points of a knife (1) respectively, the middle part of blade rake face is provided with rectangular raised platform (15), the area of described raised platform (15) is less than the area of blade rake face, four sides of raised platform (15) are arc-shaped concave (18), four arc-shaped concaves (18) by raised platform (15) constitute arc chip-breaker (3) with the zone that blade rake face neighboring surrounds, arc chip-breaker (3) is provided with diversion groove (4) around the bottom, the geometric center place that is positioned at the blade rake face on the raised platform (15) is processed with trip bolt counterbore (6) along the blade thickness direction, be positioned at the uniform profile of tooth groove (5) that is processed with of outer circumference of trip bolt counterbore (6) on the raised platform (15), blade bottom surface broad ways is provided with two projections (8), two projections (8) are symmetrical arranged with respect to the center of trip bolt counterbore (6), be processed with overflow louvre (7) at the bottom of the cutter of perforation along its length direction in each projection (8), overflow louvre (7) communicates with trip bolt counterbore (6) at the bottom of the cutter, the blade bottom surface is provided with two support rims (11) along its length, two support rims (11) are symmetrical arranged with respect to the center line of blade bottom surface length direction, center radiating groove (10) at the bottom of the formation cutter between space between two support rims (11) and the blade bottom surface, the zone that is surrounded by the lateral surface and the neighboring, blade bottom surface of support rim (11) constitutes cutter bottom perimeter radiating groove (9), thickness S=8～the 10mm of described blade, the relief angle α of described blade
0=8 °.
2. according to the special-purpose blade of the big cutting-in shock resistance of the described limit super-heavy load of claim 1 type, it is characterized in that: four two arc points of a knife (1) of next-door neighbour locate to be provided with four hemispherical projections (2) on the described blade rake face, and hemispherical projections (2) is arranged on the diagonal of blade rake face.
3. according to the special-purpose blade of the big cutting-in shock resistance of the described limit super-heavy load of claim 2 type, 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 201320122668 CN203076613U (en) | 2013-03-18 | 2013-03-18 | Special ultimate-ultra-heavy-load large-cutting-depth impact-resistant type blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320122668 CN203076613U (en) | 2013-03-18 | 2013-03-18 | Special ultimate-ultra-heavy-load large-cutting-depth impact-resistant type blade |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203076613U true CN203076613U (en) | 2013-07-24 |
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ID=48822490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320122668 Expired - Fee Related CN203076613U (en) | 2013-03-18 | 2013-03-18 | Special ultimate-ultra-heavy-load large-cutting-depth impact-resistant type blade |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203076613U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103128329A (en) * | 2013-03-18 | 2013-06-05 | 哈尔滨理工大学 | Limitation overload large cutting-in impact resistant type dedicated blade |
| CN104708039A (en) * | 2015-03-20 | 2015-06-17 | 上海鹤工进出口有限公司 | Novel blade and manufacturing method thereof |
-
2013
- 2013-03-18 CN CN 201320122668 patent/CN203076613U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103128329A (en) * | 2013-03-18 | 2013-06-05 | 哈尔滨理工大学 | Limitation overload large cutting-in impact resistant type dedicated blade |
| CN104708039A (en) * | 2015-03-20 | 2015-06-17 | 上海鹤工进出口有限公司 | Novel blade and manufacturing method thereof |
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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: 20130724 Termination date: 20150318 |
|
| EXPY | Termination of patent right or utility model |