CN103375168B

CN103375168B - High-efficiency cutting tooth

Info

Publication number: CN103375168B
Application number: CN201210134729.9A
Authority: CN
Inventors: 李仕清
Original assignee: Individual
Current assignee: Haining Yuanhua Town Industrial Investment Co Ltd
Priority date: 2012-04-20
Filing date: 2012-04-20
Publication date: 2015-05-20
Anticipated expiration: 2032-04-20
Also published as: CN103375168A

Abstract

The invention provides a high-efficiency cutting tooth head or high-efficiency cutting tooth. The high-efficiency cutting tooth is used for decomposing a punching resistance or has a spinning function, is high in heat radiating efficiency and long in service life, and comprises a cutting tooth body and a cutting tooth head. The high-efficiency cutting tooth is characterized in that a cutting surface is arranged on the cutting tooth head, high-efficiency punching platforms and a compound positioning decomposing platform are convexly arranged on the inner side of the cutting tooth head, the high-efficiency punching platform at the outermost side is an anti-cracking punching platform, the relationship of the heights of the anti-cracking punching platform or high-efficiency punching platform and the adjacent high-efficiency punching platform at the inner side is defined as: the heights of the anti-cracking punching platform or high-efficiency punching platform and the adjacent high-efficiency punching platform at the inner side is a value obtained by multiplying amount of feed by a product, when the hardness or viscosity of a workpiece to be processed is higher and a tool is larger, the cutting amount of feed is smaller and the product multiplied by the amount of feed is larger; when the hardness or viscosity of the workpiece to be processed is higher and a tool is smaller, the cutting amount of feed is smaller and the product multiplied by the amount of feed is larger; when the hardness or viscosity of the workpiece to be processed is lower and a tool is larger, the cutting amount of feed is larger and the product multiplied by the amount of feed is smaller; and when the hardness or viscosity of the workpiece to be processed is lower and a tool is smaller, the cutting amount of feed is larger and the product multiplied by the amount of feed is smaller.

Description

A kind of pick

Technical field:

The present invention relates to a kind of pick, this pick is used for the coal-winning machine in coal production, in the coal excavation apparatus such as development machine.

Background technology

At present, the pick used in coal excavation apparatus is made up of cutting pick head and pick body, the front end of cutting pick head is roughly in single conical structure, the cone structure that although the conehead that some cutting pick head are divided into top angle larger is sharp and rear portion tapering is less, but its cutting way there is no large difference, these cutting pick head adopt cut coal seam time resistance larger, the heat that easy generation is larger, the wearing and tearing of cutting pick head are accelerated, the power simultaneously also making coal-cutting machinery consumption a large amount of, when round blunt shape is worn in cutting pick head tip, its frictional force is larger, the wearing and tearing of cutting pick head are accelerated further, and the power consumption of coal-cutting machinery also strengthens further, because resistance strengthens, the destructive power of pick body and coal-cutting machinery is also strengthened further.

Summary of the invention:

The present invention proposes in view of the above-mentioned problems.To provide for the purpose of a kind of neoteric pick, this kind of pick stock-removing efficiency is high, and resistance is little, and radiating efficiency is high, and the life-span is long, and energy-saving effect is remarkable, declines to a great extent to the destructive power of coal-cutting machinery.

In order to achieve the above object, the present invention adopts following technical proposals:

A kind of pick, relate to various pick or various pick-like bit or various cutting pick, comprise pick body and cutting pick head, this pick body and cutting pick head are linked together integratedly, at various pick, or various pick-like bit, or in the cutting pick head of various cutting pick, be provided with cone point or dise knife head, or ring cone or ring arc body, or complex loop cone, or complex loop arc body, at the rear portion of cutting pick head pressed on ring cone or ring arc body, or the rear portion of complex loop cone, or the rear portion of complex loop arc body is handle of a knife, or the rear portion of handle of a knife arranges positioning handle, the rear portion of handle of a knife or the outside of positioning handle are the tool rest of pick body, the rear portion of tool rest is the pull end of pick body, cutting pick head is arranged on the tool rest of pick body, ring cone or ring arc body, be raised in rear portion stair-stepping at least one-level complex loop cone, or stair-stepping at least one-level complex loop arc body, ring cone or ring arc body, the complex loop cone adjacent with rear portion, or ring cone or ring arc body, or complex loop cone, or complex loop arc body, or the tool rest of pick body, or pull end is provided with at least one groove, or at least one skewed slot, or at least one helicla flute, or groove, or skewed slot, or the setting of spiral fluted inner bulge at least one-level compound groove, or at least one-level composite inclined groove, or at least one-level composite screw groove, or be provided with in pick body tool rest and protruding coordinate with the cutting pick head that positioning handle caves in, has one-level ring cone at least, or ring arc body, or at least one-level complex loop cone, or at least one-level complex loop arc body is provided with cutting face or combined cut face for efficiently to cut platform, it is that cracking resistance cuts platform that platform is efficiently cut in outermost combined cut face namely, and be formed with cutting edge, or combined cutting edges, or front cutting edge, or compound front cutting edge, outermost cutting edge, or front cutting edge, or spiral cutting sword is that cracking resistance divides cutting blade, the combined cutting edges of inner side, or compound front cutting edge, or composite screw cutting edge is efficient point cutting blade, it is characterized in that: in the cutting pick head of pick, towards the cutting face of cutting direction or the inner side in rear cutting face, stepped projection be formed with at least one-level arc convex or oblique projection, with cutting face behind at least one-level combined cut face of inner side or compound, arc convex or oblique projection to cutting pick head direction extend through with secondary cutting face or after cutting face crossing, rear cutting face or secondary cutting face are formed the recessed sword in side or skew back sword, with stair-stepping cutting edge, or arc convex or oblique projection have extended to form at least one-level compound location and have decomposed platform to direction, combined cut face, the combined cut face of stepped distribution is for efficiently to cut platform, outermost platform of efficiently cutting is that cracking resistance cuts platform, outermost cutting edge or front cutting edge are that cracking resistance divides cutting blade, efficiently cut platform and the compound of inner bulge are located and are decomposed platform, or cutting face, or after cutting face intersect the combined cutting edges of formation or compound front cutting edge is efficient point cutting blade, or the contextual definition of efficiently cutting the height of platform that cracking resistance is cut platform or efficiently cut platform adjacent with inner side is, the height of efficiently cutting platform that cracking resistance is cut platform or efficiently cut platform and adjacent inner side is that the depth of cut is multiplied by product number, when work piece hardness or viscosity is higher and cutter is larger time, cut the depth of cut less, the product number that the depth of cut is taken advantage of is larger, when work piece hardness or viscosity is higher and cutter is less time, cut the depth of cut less, the product number that the depth of cut is taken advantage of is larger, when work piece hardness or viscosity is lower and cutter is larger time, cut the depth of cut larger, the product number that the depth of cut is taken advantage of is less, when work piece hardness or viscosity is lower and cutter is less time, cut the depth of cut larger, the product number that the depth of cut is taken advantage of is less, or the height in combined cut face that cracking resistance is cut platform or efficiently cut platform and adjacent inner side is for being more than or equal to 0.01 millimeter, or 4/5ths of the thickness of the bits of discharging after being less than this kind of Tool in Cutting, or be less than the height of the product number of 9 times cutting the amount of feeding, or cracking resistance cuts the width of platform for being greater than 0.6 millimeter, or be less than or equal to 1/3rd of this tool diameter, or the inner side in combined cut face arranges a groove near axial centre place, or cracking resistance cuts platform, or efficiently cutting platform and compound, to decompose platform crossing, be formed with the angle being more than or equal to 90 °, or in the cutting pick head cutting face of pick with rear cutting face, or cutting face, side is intersected, or the cutting face corner of cutting edge and front cutting edge intersection, local arranges cracking resistance and leads and cut platform, cracking resistance leads Qie Tai and cracking resistance, and to cut platform effect similar, in angle, and be formed respectively and efficiently cut platform, with rear cutting face, or cutting edge or the front cutting edge of the local of formation are intersected in secondary cutting face, for cracking resistance divides cutting blade, inner side is formed with at least one-level and efficiently divides cutting blade, or cracking resistance divides cutting blade, or on efficient point cutting blade, be provided with at least one recess sword, in opening to cutting face, or rear cutting face, or cutting face, side, or efficiently cut platform extension, or enlarged extension gradually, be formed with at least one groove, or skewed slot, or helical groove.

A kind of pick, relate to various pick or various pick-like bit or various cutting pick, comprise pick body and cutting pick head, this pick body and cutting pick head are linked together, it is characterized in that, in the cutting pick head of various pick or various pick-like bit or various cutting pick, be provided with cone point or dise knife head or ring cone or ring arc body or cracking resistance complex loop cone or cracking resistance complex loop arc body, the rear portion of ring cone or ring arc body or cracking resistance complex loop cone or cracking resistance complex loop arc body, or the part of the cutting pick head exposing pick body is handle of a knife, or the rear portion of handle of a knife arranges positioning handle, the rear portion of handle of a knife or positioning handle is the tool rest of pick body, the rear portion of tool rest is the pull end of pick body, the cone point of cutting pick head or dise knife head are raised at least one-level lepospondylous body or ring arc body or at least on one-level cracking resistance complex loop cone or cracking resistance complex loop arc body, or the pull end of pick body is provided with at least one groove or at least one helical groove or at least one cracking resistance compound groove or at least one cracking resistance spiral cracking resistance compound groove, or pick body tool rest is provided with protruding coordinates with the cutter head that positioning handle caves in.

A kind of pick, relate to various pick or various pick-like bit or various cutting pick, comprise pick body and cutting pick head, this pick body and cutting pick head are linked together, it is characterized in that, in the cutting pick head of various pick or various pick-like bit or various cutting pick, be provided with cone point or dise knife head or ring cone or ring arc body or cracking resistance complex loop cone or cracking resistance complex loop arc body, the rear portion of ring cone or ring arc body or cracking resistance complex loop cone or cracking resistance complex loop arc body, or the part of the cutting pick head exposing pick body is handle of a knife, or the rear portion of handle of a knife arranges positioning handle, the rear portion of handle of a knife or positioning handle is the tool rest of pick body, the rear portion of tool rest is the pull end of pick body, have one-level ring cone or ring arc body or at least one-level cracking resistance complex loop cone or at least one-level cracking resistance complex loop arc body is provided with cutting edge or cracking resistance combined cutting edges at least, front cutting edge or cracking resistance compound front cutting edge and cutting face or cracking resistance combined cut face, cutting blade or cracking resistance compound is divided to divide cutting blade, cutting edge or point cutting blade or cracking resistance combined cutting edges or cracking resistance compound are divided on cutting blade and are arranged at least one recess sword or cracking resistance compound recess sword.

Preferably, the various pick related to of described pick or the cutting pick head of various pick-like bit or various cutting pick are exposed on the cutting pick head handle of a knife of pick body front end or pick body pull end and have at least one groove or helical groove that is left-handed or dextrorotation, or at least one cracking resistance compound groove or at least one cracking resistance spiral cracking resistance compound groove that is left-handed or dextrorotation.

Preferably, the cutting pick head of described pick is provided with cone point or dise knife head, with ring cone or ring arc body, or complex loop cone or complex loop arc body, or ring cone or ring arc body, or on complex loop cone or complex loop arc body, be provided with at least one groove, or skewed slot, or helical groove, or compound groove, or compound skewed slot, or composite screw groove, or the rear portion of handle of a knife arranges positioning handle, or positioning handle is recessed to form as locating hole, or cone point or dise knife head are raised in ring cone or the ring arc body of at least one-level arranged in step shape, or complex loop cone or complex loop arc body, be provided with cutting edge, front cutting edge and cutting face or efficiently divide cutting blade, or cracking resistance divides cutting blade, compound front cutting edge and efficiently cut platform, or cracking resistance cuts platform, or various different setting is combined in the pick in same cutting pick head.

Preferably, the anterior tool rest of pick body of the various pick related to of described pick or various pick-like bit or various cutting pick there are at least one groove or helical groove that is left-handed or dextrorotation, or at least one cracking resistance compound groove or at least one cracking resistance spiral cracking resistance compound groove that is left-handed or dextrorotation.

Preferably, at described pick, or various pick-like bit, or in the cutting pick head of various cutting pick, be exposed to the cutting pick head handle of a knife of pick body front end, or on pick body pull end, there is at least one groove, or skewed slot, or left-handed, or the helical groove of dextrorotation, or at least one is left-handed, or the compound groove of dextrorotation, or at least one compound skewed slot, or at least one spiral compound groove that is left-handed or dextrorotation.

Preferably, at the various pick related to of described pick or at least one ring cone of various pick-like bit or various cutting pick or ring arc body or at least, the cutting edge of one-level cracking resistance complex loop cone or cracking resistance complex loop arc body or cracking resistance combined cutting edges and cutting face are provided with at least one fraction cutting blade and radiating surface.

Preferably, at the various pick of described pick, or various pick-like bit, or on the ring cone of various cutting pick or ring arc body, or at least one-level complex loop cone, or on complex loop arc body, the cutting edge arranged, or point cutting blade, or on combined cutting edges, be provided with recess sword, or overlap compound recess sword, recess sword or compound recess sword extend back, and form radiating groove, or overlap composite radiating groove.

Preferably, at the various picks of described pick, or various pick-like bit, or various cutting pick, at least one ring cone or ring arc body, or at least one-level complex loop cone, or the cutting edge of complex loop arc body, or combined cutting edges, and on cutting face, be provided with at least one-level and efficiently divide cutting blade and efficiently cut platform.

Preferably, the various pick related to of described pick or the pick body of various pick-like bit or various cutting pick are provided with keyway.

Preferably, at the various pick related to of described pick or the cutting pick head of various pick-like bit or various cutting pick or pick body epicone point or dise knife head, with ring cone or ring arc body or cracking resistance complex loop cone or cracking resistance complex loop arc body, or ring cone or ring arc body or cracking resistance complex loop cone or cracking resistance complex loop arc body are provided with at least one groove or skewed slot or helical groove or cracking resistance compound groove or cracking resistance compound skewed slot or cracking resistance composite screw groove, or the rear portion of handle of a knife arranges positioning handle, or positioning handle is recessed to form as locating hole, be raised at least one-level by the ring cone of step arrangement or ring arc body or cracking resistance complex loop cone or cracking resistance complex loop arc body, have at least on one-level ring cone or ring arc body or cracking resistance complex loop cone or cracking resistance complex loop arc body, be provided with cutting edge, front cutting edge and cutting face or cracking resistance combined cutting edges, cracking resistance compound front cutting edge and cracking resistance combined cut face, or cutting edge or cracking resistance combined cutting edges are provided with at least one fraction cutting blade, or cutting edge or cracking resistance combined cutting edges or point cutting blade or cracking resistance compound divide the setting of manifold single features cutting blade being provided with at least one recess sword or cracking resistance compound recess sword, or the various combination of two kinds of features, or the various combination of three kinds of features, or the various combination of four kinds of features, or the various combination of five kinds of features, or the various combination of six kinds of features, or the various combination of seven kinds of features, or the various combination of eight kinds of features, or all feature is arranged on same pick.

Preferably, little cone point or a dise knife head is had in the cutting pick head front end of described pick.

Preferably, the cutting pick head of described pick is provided with helical groove or the spiral cracking resistance compound groove of the left-handed or dextrorotation of at least one of spin function.

Preferably, the tool rest of described pick is provided with helical groove or the spiral cracking resistance compound groove of spin function.

Preferably, the tool rest of the pick body of described pick is provided with projection to coordinate with the cutter head that positioning handle caves in.

Preferably, the ring cone or ring arc body of the cutting pick head of described pick there are at least one groove or cracking resistance compound groove.

Preferably, at least one-level cracking resistance complex loop cone or cracking resistance complex loop arc body of the cutting pick head of described pick there are at least one groove or cracking resistance compound groove.

Preferably, the tool rest of the pick body of described pick has at least one groove or cracking resistance compound groove.

Preferably, the tool rest of the pick body of described pick there are helical groove or the spiral cracking resistance compound groove of at least one left-handed or dextrorotation.

Preferably, the pull end of the pick body of described pick has at least one groove or cracking resistance compound groove.

Preferably, the pull end of the pick body of described pick there is the recessed or spiral cracking resistance compound groove of at least one spiral that is left-handed or dextrorotation.Preferably, the cutting pick head handle of a knife of described pick has at least one groove or cracking resistance compound groove.

Preferably, the cutting pick head handle of a knife of described pick there are helical groove or the spiral cracking resistance compound groove of at least one left-handed or dextrorotation.

Preferably, the cutting edge ring cone or ring arc body of the cutting pick head of described pick arranged and cutting face are provided with point cutting blade and radiating surface.

Preferably, at least one ring cone of described pick or ring arc body or at least, the cutting edge of one-level cracking resistance complex loop cone or complex loop arc body or cracking resistance combined cutting edges and cutting face are provided with at least one fraction cutting blade and radiating surface.

Beneficial effect:

Owing to being provided with cutting face in the cutting pick head of pick, and define cutting edge cut obviously more a lot of than the efficiency of grinding doubly, and efficiently cut platform and define outermost cracking resistance in arranging of cutting face projection and cut platform, define efficient cutting blade and the cracking resistance of dividing simultaneously and divide cutting blade, improve the breaking resistance of the cutting pick head of pick, thus both improve efficiency, extend application life again, pick can improve die-cut efficiency by adopting the setting of cutting pick head pressed on ring cone or ring arc body, die-cut resistance can be effectively decomposed by arranging groove in cutting pick head, complex loop cone or complex loop arc body, compound groove the function that another step enhances cutting pick head operationally Resisting fractre is set, extend the lasting efficient function of cutting pick head, the spin function of groove is achieved by the setting of helical groove or cracking resistance composite screw groove, slow down the impact force to cutter head, extend the application life of cutter head, and the setting of cutting edge upper notch sword improves the efficiency of cutting pick head, the setting of combined cutting edges and compound recess sword further increases again the breaking resistance of cutter head, the intensity of pick can be improved by the tool rest of pick body or pull end being arranged groove or compound groove, by the tool rest of pick body or pull end being arranged helical groove or the composite screw groove of left-handed or dextrorotation, further enhance the spin function of pick.

Accompanying drawing illustrates:

Technical scheme of the present invention and advantage will be described in detail in conjunction with the drawings, in the figure:

Fig. 1 Fig. 2 is the schematic diagram of a kind of pick of the first embodiment of the present invention.

Fig. 3 is the schematic diagram of a kind of pick of the second embodiment of the present invention.

Fig. 4 is the schematic diagram of a kind of pick of the 3rd embodiment of the present invention.

Fig. 5 is the schematic diagram of a kind of pick of the 4th embodiment of the present invention.

Fig. 6 Fig. 7 is the schematic diagram of a kind of pick of the 5th embodiment of the present invention.

Detailed description of the invention:

The preferred embodiment of a kind of pick of the present invention is explained below in conjunction with accompanying drawing, at embodiment 1---mainly sharp with the cone of the groove that cutting pick head is arranged or projection in 7, the cutting edge that ring cone or ring arc body are arranged, front cutting edge and cutting face are that example is described.

Embodiment 1

As shown in Fig. 1 Fig. 2, the pick of the-embodiment of the present invention, relate to various pick or various pick-like bit or various cutting pick, comprise pick body 1 and cutting pick head 2, this pick body 1 and cutting pick head 2 are linked together integratedly, at various pick, or various pick-like bit, or in the cutting pick head of various cutting pick, be provided with cone point or dise knife head 3, or ring cone or ring arc body 4, or complex loop cone 19, or complex loop arc body 19, ring cone or ring arc body 4, or complex loop cone, or the rear portion of complex loop arc body, for the handle of a knife 5 of cutting pick head, or the rear portion of handle of a knife 5 arranges positioning handle 6, the outside of handle of a knife 5 or positioning handle 6 is the tool rest 7 of pick body 1, the rear portion of tool rest 7 is the pull end 8 of pick body, cutting pick head 2 is arranged on the tool rest 7 of pick body 1, ring cone or ring arc body 4, be raised in rear portion stair-stepping at least one-level complex loop cone 19, or on stair-stepping at least one-level complex loop arc body 19, ring cone or ring arc body 4, the complex loop cone 19 adjacent with rear portion, or complex loop arc body 19, or the tool rest 7 of pick body 1, or pull end 8 is provided with at least one groove 9, or at least one skewed slot 9, or at least one helicla flute 9, or groove 9, or skewed slot 9, or the setting of the inner bulge of helicla flute 9 at least one-level compound groove, or at least one-level composite inclined groove, or at least one-level composite screw groove, or be provided with in pick body 1 tool rest 7 and protruding coordinate with the cutting pick head 2 that positioning handle 6 caves in, has one-level ring cone at least, or ring arc body 4, or at least one-level complex loop cone, or at least one-level complex loop arc body is provided with cutting face 10 or combined cut face 11, the at least one-level combined cut face of inner side is for efficiently to cut platform 11, platform 10 is cut for cracking resistance in outermost cutting face 10, and be formed with cutting edge 12, or combined cutting edges 13, or front cutting edge 12, or compound front cutting edge 13, outermost cutting edge 12, or front cutting edge 12, or spiral cutting sword 12 divides cutting blade 12 for cracking resistance, the combined cutting edges 13 of inner side, or compound front cutting edge 13, or composite screw cutting edge 13 is efficient point cutting blade 13, it is characterized in that: in the cutting pick head 2 of pick, towards the cutting face 10 of cutting direction or the inner side in rear cutting face 15, stepped projection be formed with at least one-level arc convex or oblique protruding 14, with cutting face 16 behind at least one-level combined cut face 11 of inner side or compound, arc convex or oblique protruding 14 to cutting pick head 2 direction extend through with secondary cutting face or after cutting face 16 crossing, rear cutting face or secondary cutting face 16 are formed the recessed sword in side or skew back sword 17, or arc convex or oblique protruding 14 has extended to form at least one-level compound location decomposition platform 18 to direction, combined cut face 11, the combined cut face 11 of stepped distribution is for efficiently to cut platform 11, outermost platform of efficiently cutting is that cracking resistance cuts platform 10, outermost cutting edge or front cutting edge are that cracking resistance divides cutting blade 12, the platform 11 of efficiently cutting of inner bulge is located with compound and is decomposed platform 18, or cutting face, or after cutting face 16 intersect the combined cutting edges 13 that formed or compound front cutting edge 13 be efficiently divide cutting blade, or the contextual definition of efficiently cutting the height h of platform 11 that cracking resistance is cut platform 10 or efficiently cut platform 11 adjacent with inner side is, cracking resistance is cut platform 10 or efficiently cut platform 11 with the height of efficiently cutting platform 11 of adjacent inner side is that the depth of cut is multiplied by product number, when work piece hardness or viscosity is higher and cutter is larger time, cut the depth of cut less, the product number that the depth of cut is taken advantage of is larger, when work piece hardness or viscosity is higher and cutter is less time, cut the depth of cut less, the product number that the depth of cut is taken advantage of is larger, when work piece hardness or viscosity is lower and cutter is larger time, cut the depth of cut larger, the product number that the depth of cut is taken advantage of is less, when work piece hardness or viscosity is lower and cutter is less time, cut the depth of cut larger, the product number that the depth of cut is taken advantage of is less, or the height h efficiently cutting platform 11 that the cracking resistance arranged in the cutting pick head 2 of pick is cut platform 10 or efficiently cut platform 11 and adjacent inner side is for being more than or equal to 0.01 millimeter, or cracking resistance cuts width a or a ' of platform for being more than or equal to 1 millimeter, or be less than or equal to 1/3rd of this cutter head width, or the height in combined cut face that cracking resistance is cut platform or efficiently cut platform and adjacent inner side is for being more than or equal to 0.01 millimeter, or 4/5ths of the thickness of the bits of discharging after being less than this kind of Tool in Cutting, or be less than the height of the product number of 9 times cutting the amount of feeding, or cracking resistance cuts the width a ' of platform or a for being greater than 0.6 millimeter, or be less than or equal to 1/3rd of this tool diameter, or cracking resistance cuts platform, or efficiently cutting platform and compound, to decompose platform crossing, be formed with the angle being more than or equal to 90 °, or intersect with rear cutting face or cutting face, side in the Combined cutting tool bit of combined blade cutting face of combined sword cutter tip or compound sword cutting tool, the corner that the cutting edge formed is crossing with front cutting edge, local arranges cracking resistance and leads and cut platform 10, cracking resistance is led and is cut platform 10 and cut platform 10 to cracking resistance and act on similar, in angle, and be formed respectively and efficiently cut platform, the cutting edge of the local crossing with rear cutting face or cutting face, side or front cutting edge, for cracking resistance divides cutting blade, inner side is formed with at least one-level and efficiently divides cutting blade, or cracking resistance divides cutting blade or efficient dividing on cutting blade to be provided with at least one recess sword, in opening to cutting face, or rear cutting face, or cutting face, side, or efficiently cut platform extension, or enlarged extension gradually, be formed with at least one groove, or skewed slot, or helical groove.

According to said structure, owing to having cutting face or combined cut face in ring cone or ring arc body 4, define cracking resistance and cut platform 10 and cracking resistance divides cutting blade 12, cut obviously higher than the efficiency of grinding doubly a lot, so compared with cutter head in the past, pick considerably reduces the resistance that cutter is subject to when cutting, thus reduces the frictional resistance of cutter head 2, enhance radiating effect, make the stressed reduction of pick, meanwhile, the impact force that cutter hub 2 is subject to reduces, extend the application life of cutter hub, improve efficiency.

By formation so, cut platform 10 owing to outputing cracking resistance in the cutting pick head of pick and efficiently cut platform 11, decompose the cutting force of cutting edge, pick is made to rotate the cutting hardness that improve cutting edge in the process of rushing and cutting, efficiency is improve because this reducing resistance, also just extend the application life of pick simultaneously, pull end arranges the resistance that groove or skewed slot or helicla flute reduce further pick simultaneously, improve efficiency to greatest extent.

Embodiment 2

Shown in Fig. 3, on the basis of the effect of the first embodiment, the pick of the second embodiment of the present invention, relate to various pick or various pick-like bit or various cutting pick, comprise pick body 1 and cutting pick head 2, this pick body 1 and cutting pick head 2 are linked together integratedly, at various pick, or various pick-like bit, or in the cutting pick head of various cutting pick, be provided with cone point or dise knife head 3, or ring cone or ring arc body 4, or complex loop cone 19, or complex loop arc body 19, ring cone or ring arc body 4, or complex loop cone, or the rear portion of complex loop arc body, for the handle of a knife 5 of cutting pick head, or the rear portion of handle of a knife 5 arranges positioning handle 6, the outside of handle of a knife 5 or positioning handle 6 is the tool rest 7 of pick body 1, the rear portion of tool rest 7 is the pull end 8 of pick body, cutting pick head 2 is arranged on the tool rest 7 of pick body 1, ring cone or ring arc body 4, be raised in rear portion stair-stepping at least one-level complex loop cone 19, or on stair-stepping at least one-level complex loop arc body 19, ring cone or ring arc body 4, the complex loop cone 19 adjacent with rear portion, or complex loop arc body 19, or the tool rest 7 of pick body 1, or pull end 8 is provided with at least one groove 9, or at least one skewed slot 9, or at least one helicla flute 9, or groove 9, or skewed slot 9, or the setting of the inner bulge of helicla flute 9 at least one-level compound groove, or at least one-level composite inclined groove, or at least one-level composite screw groove, or be provided with in pick body 1 tool rest 7 and protruding coordinate with the cutting pick head 2 that positioning handle 6 caves in, has one-level ring cone at least, or ring arc body 4, or at least one-level complex loop cone, or at least one-level complex loop arc body is provided with cutting face 10 or combined cut face 11, the at least one-level combined cut face of inner side is for efficiently to cut platform 11, platform 10 is cut for cracking resistance in outermost cutting face 10, and be formed with cutting edge 12, or combined cutting edges 13, or front cutting edge 12, or compound front cutting edge 13, outermost cutting edge 12, or front cutting edge 12, or spiral cutting sword 12 divides cutting blade 12 for cracking resistance, the combined cutting edges 13 of inner side, or compound front cutting edge 13, or composite screw cutting edge 13 is efficient point cutting blade 13, it is characterized in that: in the cutting pick head 2 of pick, towards the cutting face 10 of cutting direction or the inner side in rear cutting face 15, stepped projection be formed with at least one-level arc convex or oblique protruding 14, with cutting face 16 behind at least one-level combined cut face 11 of inner side or compound, arc convex or oblique protruding 14 to cutting pick head 2 direction extend through with secondary cutting face or after cutting face 16 crossing, rear cutting face or secondary cutting face 16 are formed the recessed sword in side or skew back sword 17, or arc convex or oblique protruding 14 has extended to form at least one-level compound location decomposition platform 18 to direction, combined cut face 11, the combined cut face 11 of stepped distribution is for efficiently to cut platform 11, outermost platform of efficiently cutting is that cracking resistance cuts platform 10, outermost cutting edge or front cutting edge are that cracking resistance divides cutting blade 12, the platform 11 of efficiently cutting of inner bulge is located with compound and is decomposed platform 18, or cutting face, or after cutting face 16 intersect the combined cutting edges 13 that formed or compound front cutting edge 13 be efficiently divide cutting blade, or the contextual definition of efficiently cutting the height h of platform 11 that cracking resistance is cut platform 10 or efficiently cut platform 11 adjacent with inner side is, cracking resistance is cut platform 10 or efficiently cut platform 11 with the height of efficiently cutting platform 11 of adjacent inner side is that the depth of cut is multiplied by product number, when work piece hardness or viscosity is higher and cutter is larger time, cut the depth of cut less, the product number that the depth of cut is taken advantage of is larger, when work piece hardness or viscosity is higher and cutter is less time, cut the depth of cut less, the product number that the depth of cut is taken advantage of is larger, when work piece hardness or viscosity is lower and cutter is larger time, cut the depth of cut larger, the product number that the depth of cut is taken advantage of is less, when work piece hardness or viscosity is lower and cutter is less time, cut the depth of cut larger, the product number that the depth of cut is taken advantage of is less, or the height h efficiently cutting platform 11 that the cracking resistance arranged in the cutting pick head 2 of pick is cut platform 10 or efficiently cut platform 11 and adjacent inner side is for being more than or equal to 0.01 millimeter, or cracking resistance cuts width a or a ' of platform for being more than or equal to 1 millimeter, or be less than or equal to 1/3rd of this cutter head width, or the height in combined cut face that cracking resistance is cut platform or efficiently cut platform and adjacent inner side is for being more than or equal to 0.01 millimeter, or 4/5ths of the thickness of the bits of discharging after being less than this kind of Tool in Cutting, or be less than the height of the product number of 9 times cutting the amount of feeding, or cracking resistance cuts the width a ' of platform or a for being greater than 0.6 millimeter, or be less than or equal to 1/3rd of this tool diameter, or cracking resistance cuts platform, or efficiently cutting platform and compound, to decompose platform crossing, be formed with the angle being more than or equal to 90 °, or intersect with rear cutting face or cutting face, side in the Combined cutting tool bit of combined blade cutting face of combined sword cutter tip or compound sword cutting tool, the corner that the cutting edge formed is crossing with front cutting edge, local arranges cracking resistance and cuts platform, and be formed respectively and efficiently cut platform, the cutting edge of the local crossing with rear cutting face or cutting face, side or front cutting edge, for cracking resistance divides cutting blade, inner side is formed with at least one-level and efficiently divides cutting blade, or cracking resistance divides cutting blade or efficient dividing on cutting blade to be provided with at least one recess sword, in opening to cutting face, or rear cutting face, or cutting face, side, or efficiently cut platform extension, or enlarged extension gradually, be formed with at least one groove, or skewed slot, or helical groove.

Embodiment 3

As shown in Figure 4, first---on the basis of the effect of two embodiments, the pick of the 3rd embodiment of the present invention, relate to various pick or various pick-like bit or various cutting pick, comprise pick body 1 and cutting pick head 2, this pick body 1 and cutting pick head 2 are linked together integratedly, at various pick, or various pick-like bit, or in the cutting pick head of various cutting pick, be provided with cone point or dise knife head 3, or ring cone or ring arc body 4, or complex loop cone 19, or complex loop arc body 19, ring cone or ring arc body 4, or complex loop cone, or the rear portion of complex loop arc body, for the handle of a knife 5 of cutting pick head, or the rear portion of handle of a knife 5 arranges positioning handle 6, the outside of handle of a knife 5 or positioning handle 6 is the tool rest 7 of pick body 1, the rear portion of tool rest 7 is the pull end 8 of pick body, cutting pick head 2 is arranged on the tool rest 7 of pick body 1, ring cone or ring arc body 4, be raised in rear portion stair-stepping at least one-level complex loop cone 19, or on stair-stepping at least one-level complex loop arc body 19, ring cone or ring arc body 4, the complex loop cone 19 adjacent with rear portion, or complex loop arc body 19, or the tool rest 7 of pick body 1, or pull end 8 is provided with at least one groove 9, or at least one skewed slot 9, or at least one helicla flute 9, or groove 9, or skewed slot 9, or the setting of the inner bulge of helicla flute 9 at least one-level compound groove, or at least one-level composite inclined groove, or at least one-level composite screw groove, or be provided with in pick body 1 tool rest 7 and protruding coordinate with the cutting pick head 2 that positioning handle 6 caves in, has one-level ring cone at least, or ring arc body 4, or at least one-level complex loop cone, or at least one-level complex loop arc body is provided with cutting face 10 or combined cut face 11, the at least one-level combined cut face of inner side is for efficiently to cut platform 11, platform 10 is cut for cracking resistance in outermost cutting face 10, and be formed with cutting edge 12, or combined cutting edges 13, or front cutting edge 12, or compound front cutting edge 13, outermost cutting edge 12, or front cutting edge 12, or spiral cutting sword 12 divides cutting blade 12 for cracking resistance, the combined cutting edges 13 of inner side, or compound front cutting edge 13, or composite screw cutting edge 13 is efficient point cutting blade 13, it is characterized in that: in the cutting pick head 2 of pick, towards the cutting face 10 of cutting direction or the inner side in rear cutting face 15, stepped projection be formed with at least one-level arc convex or oblique protruding 14, with cutting face 16 behind at least one-level combined cut face 11 of inner side or compound, arc convex or oblique protruding 14 to cutting pick head 2 direction extend through with secondary cutting face or after cutting face 16 crossing, rear cutting face or secondary cutting face 16 are formed the recessed sword in side or skew back sword 17, or arc convex or oblique protruding 14 has extended to form at least one-level compound location decomposition platform 18 to direction, combined cut face 11, the combined cut face 11 of stepped distribution is for efficiently to cut platform 11, outermost platform of efficiently cutting is that cracking resistance cuts platform 10, outermost cutting edge or front cutting edge are that cracking resistance divides cutting blade 12, the platform 11 of efficiently cutting of inner bulge is located with compound and is decomposed platform 18, or cutting face, or after cutting face 16 intersect the combined cutting edges 13 that formed or compound front cutting edge 13 be efficiently divide cutting blade, or the contextual definition of efficiently cutting the height h of platform 11 that cracking resistance is cut platform 10 or efficiently cut platform 11 adjacent with inner side is, cracking resistance is cut platform 10 or efficiently cut platform 11 with the height of efficiently cutting platform 11 of adjacent inner side is that the depth of cut is multiplied by product number, when work piece hardness or viscosity is higher and cutter is larger time, cut the depth of cut less, the product number that the depth of cut is taken advantage of is larger, when work piece hardness or viscosity is higher and cutter is less time, cut the depth of cut less, the product number that the depth of cut is taken advantage of is larger, when work piece hardness or viscosity is lower and cutter is larger time, cut the depth of cut larger, the product number that the depth of cut is taken advantage of is less, when work piece hardness or viscosity is lower and cutter is less time, cut the depth of cut larger, the product number that the depth of cut is taken advantage of is less, or the height h efficiently cutting platform 11 that the cracking resistance arranged in the cutting pick head 2 of pick is cut platform 10 or efficiently cut platform 11 and adjacent inner side is for being more than or equal to 0.01 millimeter, or cracking resistance cuts width a or a ' of platform for being more than or equal to 1 millimeter, or be less than or equal to 1/3rd of this cutter head width, or the height in combined cut face that cracking resistance is cut platform or efficiently cut platform and adjacent inner side is for being more than or equal to 0.01 millimeter, or 4/5ths of the thickness of the bits of discharging after being less than this kind of Tool in Cutting, or be less than the height of the product number of 9 times cutting the amount of feeding, or cracking resistance cuts the width a ' of platform or a for being greater than 0.6 millimeter, or be less than or equal to 1/3rd of this tool diameter, or cracking resistance cuts platform, or efficiently cutting platform and compound, to decompose platform crossing, be formed with the angle being more than or equal to 90 °, or intersect with rear cutting face or cutting face, side in the Combined cutting tool bit of combined blade cutting face of combined sword cutter tip or compound sword cutting tool, the corner that the cutting edge formed is crossing with front cutting edge, local arranges cracking resistance and cuts platform, and be formed respectively and efficiently cut platform, the cutting edge of the local crossing with rear cutting face or cutting face, side or front cutting edge, for cracking resistance divides cutting blade, inner side is formed with at least one-level and efficiently divides cutting blade, or cracking resistance divides cutting blade or efficient dividing on cutting blade to be provided with at least one recess sword, in opening to cutting face, or rear cutting face, or cutting face, side, or efficiently cut platform extension, or enlarged extension gradually, be formed with at least one groove, or skewed slot, or helical groove.

According to said structure, owing to having cutting face or combined cut face in ring cone or ring arc body 4, define cracking resistance and cut platform 10 and cracking resistance divides cutting blade 12, cut obviously higher than the efficiency of grinding doubly a lot, so compared with cutter head in the past, pick considerably reduces the resistance that cutter is subject to when cutting, thus reduce the frictional resistance of cutter head 2, enhance radiating effect, make efficient cutting tooth head or the stressed reduction of efficient cutting tooth, meanwhile, the impact force that cutter hub 2 is subject to reduces, extend the application life of cutter hub, improve efficiency.

Embodiment 4

Shown in Fig. 5, first---on the basis of the effect of three embodiments, the pick of the 4th embodiment of the present invention, relate to various pick or various pick-like bit or various cutting pick, comprise pick body 1 and cutting pick head 2, this pick body 1 and cutting pick head 2 are linked together integratedly, at various pick, or various pick-like bit, or in the cutting pick head of various cutting pick, be provided with cone point or dise knife head 3, or ring cone or ring arc body 4, or complex loop cone 19, or complex loop arc body 19, ring cone or ring arc body 4, or complex loop cone, or the rear portion of complex loop arc body, for the handle of a knife 5 of cutting pick head, or the rear portion of handle of a knife 5 arranges positioning handle 6, or positioning handle is recessed to form as locating hole 6, the outside of handle of a knife 5 or positioning handle 6 is the tool rest 7 of pick body 1, the rear portion of tool rest 7 is the pull end 8 of pick body, cutting pick head 2 is arranged on the tool rest 7 of pick body 1, ring cone or ring arc body 4, be raised in rear portion stair-stepping at least one-level complex loop cone 19, or on stair-stepping at least one-level complex loop arc body 19, ring cone or ring arc body 4, the complex loop cone 19 adjacent with rear portion, or complex loop arc body 19, or the tool rest 7 of pick body 1, or pull end 8 is provided with at least one groove 9, or at least one skewed slot 9, or at least one helicla flute 9, or groove 9, or skewed slot 9, or the setting of the inner bulge of helicla flute 9 at least one-level compound groove, or at least one-level composite inclined groove, or at least one-level composite screw groove, or be provided with in pick body 1 tool rest 7 and protruding coordinate with the cutting pick head 2 that positioning handle 6 caves in, has one-level ring cone at least, or ring arc body 4, or at least one-level complex loop cone, or at least one-level complex loop arc body is provided with cutting face 10 or combined cut face 11, the at least one-level combined cut face of inner side is for efficiently to cut platform 11, platform 10 is cut for cracking resistance in outermost cutting face 10, and be formed with cutting edge 12, or combined cutting edges 13, or front cutting edge 12, or compound front cutting edge 13, outermost cutting edge 12, or front cutting edge 12, or spiral cutting sword 12 divides cutting blade 12 for cracking resistance, the combined cutting edges 13 of inner side, or compound front cutting edge 13, or composite screw cutting edge 13 is efficient point cutting blade 13, it is characterized in that: in the cutting pick head 2 of pick, towards the cutting face 10 of cutting direction or the inner side in rear cutting face 15, stepped projection be formed with at least one-level arc convex or oblique protruding 14, with cutting face 16 behind at least one-level combined cut face 11 of inner side or compound, arc convex or oblique protruding 14 to cutting pick head 2 direction extend through with secondary cutting face or after cutting face 16 crossing, rear cutting face or secondary cutting face 16 are formed the recessed sword in side or skew back sword 17, or arc convex or oblique protruding 14 has extended to form at least one-level compound location decomposition platform 18 to direction, combined cut face 11, the combined cut face 11 of stepped distribution is for efficiently to cut platform 11, outermost platform of efficiently cutting is that cracking resistance cuts platform 10, outermost cutting edge or front cutting edge are that cracking resistance divides cutting blade 12, the platform 11 of efficiently cutting of inner bulge is located with compound and is decomposed platform 18, or cutting face, or after cutting face 16 intersect the combined cutting edges 13 that formed or compound front cutting edge 13 be efficiently divide cutting blade, or the contextual definition of efficiently cutting the height h of platform 11 that cracking resistance is cut platform 10 or efficiently cut platform 11 adjacent with inner side is, cracking resistance is cut platform 10 or efficiently cut platform 11 with the height of efficiently cutting platform 11 of adjacent inner side is that the depth of cut is multiplied by product number, when work piece hardness or viscosity is higher and cutter is larger time, cut the depth of cut less, the product number that the depth of cut is taken advantage of is larger, when work piece hardness or viscosity is higher and cutter is less time, cut the depth of cut less, the product number that the depth of cut is taken advantage of is larger, when work piece hardness or viscosity is lower and cutter is larger time, cut the depth of cut larger, the product number that the depth of cut is taken advantage of is less, when work piece hardness or viscosity is lower and cutter is less time, cut the depth of cut larger, the product number that the depth of cut is taken advantage of is less, or the height h efficiently cutting platform 11 that the cracking resistance arranged in the cutting pick head 2 of pick is cut platform 10 or efficiently cut platform 11 and adjacent inner side is for being more than or equal to 0.01 millimeter, or cracking resistance cuts width a or a ' of platform for being more than or equal to 1 millimeter, or be less than or equal to 1/3rd of this cutter head width, or the height in combined cut face that cracking resistance is cut platform or efficiently cut platform and adjacent inner side is for being more than or equal to 0.01 millimeter, or 4/5ths of the thickness of the bits of discharging after being less than this kind of Tool in Cutting, or be less than the height of the product number of 9 times cutting the amount of feeding, or cracking resistance cuts the width a ' of platform or a for being greater than 0.6 millimeter, or be less than or equal to 1/3rd of this tool diameter, or cracking resistance cuts platform, or efficiently cutting platform and compound, to decompose platform crossing, be formed with the angle being more than or equal to 90 °, or intersect with rear cutting face or cutting face, side in the Combined cutting tool bit of combined blade cutting face of combined sword cutter tip or compound sword cutting tool, the corner that the cutting edge formed is crossing with front cutting edge, local arranges cracking resistance and cuts platform, and be formed respectively and efficiently cut platform, the cutting edge of the local crossing with rear cutting face or cutting face, side or front cutting edge, for cracking resistance divides cutting blade, inner side is formed with at least one-level and efficiently divides cutting blade, or cracking resistance divides cutting blade or efficient dividing on cutting blade to be provided with at least one recess sword 20, in opening to cutting face, or rear cutting face, or cutting face, side, or efficiently cut platform extension, or enlarged extension gradually, be formed with at least one groove, or skewed slot, or helical groove 9.According to said structure, owing to having cutting face or combined cut face in ring cone or ring arc body 4, define cracking resistance and cut platform 10 and cracking resistance divides cutting blade 12, cut obviously higher than the efficiency of grinding doubly a lot, so compared with cutter head in the past, pick considerably reduces the resistance that cutter is subject to when cutting, thus reduces the frictional resistance of cutter head 2, enhance radiating effect, make the stressed reduction of pick, meanwhile, the impact force that cutter hub 2 is subject to reduces, extend the application life of cutter hub, improve efficiency.

Embodiment 5

As Fig. 6, shown in Fig. 7, first---on the basis of the effect of four embodiments, the pick of the 5th embodiment of the present invention, relate to various pick or various pick-like bit or various cutting pick, comprise pick body 1 and cutting pick head 2, this pick body 1 and cutting pick head 2 are linked together integratedly, at various pick, or various pick-like bit, or in the cutting pick head of various cutting pick, be provided with cone point or dise knife head 3, or ring cone or ring arc body 4, or complex loop cone 19, or complex loop arc body 19, ring cone or ring arc body 4, or complex loop cone, or the rear portion of complex loop arc body, for the handle of a knife 5 of cutting pick head, or the rear portion of handle of a knife 5 arranges positioning handle 6, the outside of handle of a knife 5 or positioning handle 6 is the tool rest 7 of pick body 1, the rear portion of tool rest 7 is the pull end 8 of pick body, cutting pick head 2 is arranged on the tool rest 7 of pick body 1, ring cone or ring arc body 4, be raised in rear portion stair-stepping at least one-level complex loop cone 19, or on stair-stepping at least one-level complex loop arc body 19, ring cone or ring arc body 4, the complex loop cone 19 adjacent with rear portion, or complex loop arc body 19, or the tool rest 7 of pick body 1, or pull end 8 is provided with at least one groove 9, or at least one skewed slot 9, or at least one helicla flute 9, or groove 9, or skewed slot 9, or the setting of the inner bulge of helicla flute 9 at least one-level compound groove, or at least one-level composite inclined groove, or at least one-level composite screw groove, or be provided with in pick body 1 tool rest 7 and protruding coordinate with the cutting pick head 2 that positioning handle 6 caves in, has one-level ring cone at least, or ring arc body 4, or at least one-level complex loop cone, or at least one-level complex loop arc body is provided with cutting face 10 or combined cut face 11, the at least one-level combined cut face of inner side is for efficiently to cut platform 11, platform 10 is cut for cracking resistance in outermost cutting face 10, and be formed with cutting edge 12, or combined cutting edges 13, or front cutting edge 12, or compound front cutting edge 13, outermost cutting edge 12, or front cutting edge 12, or spiral cutting sword 12 divides cutting blade 12 for cracking resistance, the combined cutting edges 13 of inner side, or compound front cutting edge 13, or composite screw cutting edge 13 is efficient point cutting blade 13, it is characterized in that: in the cutting pick head 2 of pick, towards the cutting face 10 of cutting direction or the inner side in rear cutting face 15, stepped projection be formed with at least one-level arc convex or oblique protruding 14, with cutting face 16 behind at least one-level combined cut face 11 of inner side or compound, arc convex or oblique protruding 14 to cutting pick head 2 direction extend through with secondary cutting face or after cutting face 16 crossing, rear cutting face or secondary cutting face 16 are formed the recessed sword in side or skew back sword 17, or arc convex or oblique protruding 14 has extended to form at least one-level compound location decomposition platform 18 to direction, combined cut face 11, the combined cut face 11 of stepped distribution is for efficiently to cut platform 11, outermost platform of efficiently cutting is that cracking resistance cuts platform 10, outermost cutting edge or front cutting edge are that cracking resistance divides cutting blade 12, the platform 11 of efficiently cutting of inner bulge is located with compound and is decomposed platform 18, or cutting face, or after cutting face 16 intersect the combined cutting edges 13 that formed or compound front cutting edge 13 be efficiently divide cutting blade, or the contextual definition of efficiently cutting the height h of platform 11 that cracking resistance is cut platform 10 or efficiently cut platform 11 adjacent with inner side is, cracking resistance is cut platform 10 or efficiently cut platform 11 with the height of efficiently cutting platform 11 of adjacent inner side is that the depth of cut is multiplied by product number, when work piece hardness or viscosity is higher and cutter is larger time, cut the depth of cut less, the product number that the depth of cut is taken advantage of is larger, when work piece hardness or viscosity is higher and cutter is less time, cut the depth of cut less, the product number that the depth of cut is taken advantage of is larger, when work piece hardness or viscosity is lower and cutter is larger time, cut the depth of cut larger, the product number that the depth of cut is taken advantage of is less, when work piece hardness or viscosity is lower and cutter is less time, cut the depth of cut larger, the product number that the depth of cut is taken advantage of is less, or the height h efficiently cutting platform 11 that the cracking resistance arranged in the cutting pick head 2 of pick is cut platform 10 or efficiently cut platform 11 and adjacent inner side is for being more than or equal to 0.01 millimeter, or cracking resistance cuts width a or a ' of platform for being more than or equal to 1 millimeter, or be less than or equal to 1/3rd of this cutter head width, or the height in Fu Tai cutting face that cracking resistance is cut platform or efficiently cut platform and adjacent inner side is for being more than or equal to 0.01 millimeter, or 4/5ths of the thickness of the bits of discharging after being less than this kind of Tool in Cutting, or be less than the height of the product number of 9 times cutting the amount of feeding, or cracking resistance cuts the width a ' of platform or a for being greater than 0.6 millimeter, or be less than or equal to 1/3rd of this tool diameter, or cracking resistance cuts platform, or efficiently cutting platform and compound, to decompose platform crossing, be formed with the angle being more than or equal to 90 °, or intersect with rear cutting face or cutting face, side in the Combined cutting tool bit of combined blade cutting face of combined sword cutter tip or compound sword cutting tool, the corner that the cutting edge formed is crossing with front cutting edge, local arranges cracking resistance and cuts platform, and be formed respectively and efficiently cut platform, the cutting edge of the local crossing with rear cutting face or cutting face, side or front cutting edge, for cracking resistance divides cutting blade, inner side is formed with at least one-level and efficiently divides cutting blade, or cracking resistance divides cutting blade or efficient dividing on cutting blade to be provided with at least one recess sword, in opening to cutting face, or rear cutting face, or cutting face, side, or efficiently cut platform extension, or enlarged extension gradually, be formed with at least one groove, or skewed slot, or helical groove.

By formation so, cut platform 10 owing to outputing cracking resistance in the cutting pick head of pick and efficiently cut platform 11, decompose the cutting force of cutting edge, making pick rotating the cutting hardness that improve cutting edge in the process of rushing and cutting, improve efficiency because this reducing resistance, also just extend the application life of pick simultaneously, pull end arranges groove simultaneously, or skewed slot, or helicla flute reduce further the resistance of pick, improves efficiency to greatest extent.

The cutting pick head of all embodiments is configured the die-cut resistance of equal decomposable asymmetric choice net and frictional force on different pick bodies above, improves radiating efficiency.

Although above to have protruding cone point or dise knife head 2, ring cone or ring arc body 4, and groove 9 helical groove 21, helical groove 22, composite screw groove, sharp knife shape also can be made in the front portion of convex tool section, or it is circular, or rhombus, or it is trapezoidal, or it is semicircle, or it is oval, or triangle, compound groove, groove, skewed slot, or compound skewed slot, helical groove, or composite screw groove, on be provided with cutting edge, combined cutting edges, front cutting edge and cutting face, divide cutting blade and radiating surface, recess sword 20, compound recess swords etc. are illustrated for example, but pick of the present invention also can have multistage ring cone or ring arc body or multiple groove, multistage point of cutting blade and radiating surface, recess sword, also can reeded structure on pick body, can adopt in such a configuration as described in the structure of embodiment and the combination of other arbitrary form, the structure of every grade is at various pick, or various pick-like bit, or on various cutting pick.

Above-described preferred embodiment is illustrative and not restrictive, when not departing from purport of the present invention and essential characteristic, the present invention can also otherwise carry out implementing and specializing, scope of the present invention is limited by claim, and all distortion in claim limited range all fall within the scope of the present invention.

Claims

1. a pick, relate to various pick or various pick-like bit or various cutting pick, comprise pick body and cutting pick head, this pick body and cutting pick head are linked together integratedly, at various pick, or various pick-like bit, or in the cutting pick head of various cutting pick, be provided with cone point or dise knife head, or ring cone or ring arc body, or complex loop cone, or complex loop arc body, at the rear portion of cutting pick head pressed on ring cone or ring arc body, or the rear portion of complex loop cone, or the rear portion of complex loop arc body is handle of a knife, or the rear portion of handle of a knife arranges positioning handle, the rear portion of handle of a knife or the outside of positioning handle are the tool rest of pick body, the rear portion of tool rest is the pull end of pick body, cutting pick head is arranged on the tool rest of pick body, ring cone or ring arc body, be raised in rear portion stair-stepping at least one-level complex loop cone, or stair-stepping at least one-level complex loop arc body, ring cone or ring arc body, the complex loop cone adjacent with rear portion, or ring cone or ring arc body, or complex loop cone, or complex loop arc body, or the tool rest of pick body, or pull end is provided with at least one groove, or at least one skewed slot, or at least one helicla flute, or groove, or skewed slot, or the setting of spiral fluted inner bulge at least one-level compound groove, or at least one-level composite inclined groove, or at least one-level composite screw groove, or be provided with in pick body tool rest and protruding coordinate with the cutting pick head that positioning handle caves in, has one-level ring cone at least, or ring arc body, or at least one-level complex loop cone, or at least one-level complex loop arc body is provided with cutting face or combined cut face for efficiently to cut platform, it is that cracking resistance cuts platform that platform is efficiently cut in outermost combined cut face namely, and be formed with cutting edge, or combined cutting edges, or front cutting edge, or compound front cutting edge, outermost cutting edge, or front cutting edge, or spiral cutting sword is that cracking resistance divides cutting blade, the combined cutting edges of inner side, or compound front cutting edge, or composite screw cutting edge is efficient point cutting blade, it is characterized in that: in the cutting pick head of pick, towards the cutting face of cutting direction or the inner side in rear cutting face, stepped projection be formed with at least one-level arc convex or oblique projection, with cutting face behind at least one-level combined cut face of inner side or compound, arc convex or oblique projection to cutting pick head direction extend through with secondary cutting face or after cutting face crossing, rear cutting face or secondary cutting face are formed the recessed sword in side or skew back sword, with stair-stepping cutting edge, or arc convex or oblique projection have extended to form at least one-level compound location and have decomposed platform to direction, combined cut face, the combined cut face of stepped distribution is for efficiently to cut platform, outermost platform of efficiently cutting is that cracking resistance cuts platform, outermost cutting edge or front cutting edge are that cracking resistance divides cutting blade, efficiently cut platform and the compound of inner bulge are located and are decomposed platform, or cutting face, or after cutting face intersect the combined cutting edges of formation or compound front cutting edge is efficient point cutting blade, or the contextual definition of efficiently cutting the height of platform that cracking resistance is cut platform or efficiently cut platform adjacent with inner side is, the height of efficiently cutting platform that cracking resistance is cut platform or efficiently cut platform and adjacent inner side is that the depth of cut is multiplied by product number, when work piece hardness or viscosity is higher and cutter is larger time, cut the depth of cut less, the product number that the depth of cut is taken advantage of is larger, when work piece hardness or viscosity is higher and cutter is less time, cut the depth of cut less, the product number that the depth of cut is taken advantage of is larger, when work piece hardness or viscosity is lower and cutter is larger time, cut the depth of cut larger, the product number that the depth of cut is taken advantage of is less, when work piece hardness or viscosity is lower and cutter is less time, cut the depth of cut larger, the product number that the depth of cut is taken advantage of is less, or the height in combined cut face that cracking resistance is cut platform or efficiently cut platform and adjacent inner side is for being more than or equal to 0.01 millimeter, or 4/5ths of the thickness of the bits of discharging after being less than this kind of Tool in Cutting, or be less than the height of the product number of 9 times cutting the amount of feeding, or cracking resistance cuts the width of platform for being greater than 0.6 millimeter, or be less than or equal to 1/3rd of this tool diameter, or the inner side in combined cut face arranges a groove near axial centre place, or cracking resistance cuts platform, or efficiently cutting platform and compound, to decompose platform crossing, be formed with the angle being more than or equal to 90 °, or in the cutting pick head cutting face of pick with rear cutting face, or cutting face, side is intersected, or the cutting face corner of cutting edge and front cutting edge intersection, local arranges cracking resistance and leads and cut platform, cracking resistance leads Qie Tai and cracking resistance, and to cut platform effect similar, in angle, and be formed respectively and efficiently cut platform, with rear cutting face, or cutting edge or the front cutting edge of the local of formation are intersected in secondary cutting face, for cracking resistance divides cutting blade, inner side is formed with at least one-level and efficiently divides cutting blade, or cracking resistance divides cutting blade, or on efficient point cutting blade, be provided with at least one recess sword, in opening to cutting face, or rear cutting face, or cutting face, side, or efficiently cut platform extension, or enlarged extension gradually, be formed with at least one groove, or skewed slot, or helical groove.

2. pick as claimed in claim 1, it is characterized in that, cutting pick head is provided with cone point or dise knife head, with ring cone or ring arc body, or complex loop cone or complex loop arc body, or ring cone or ring arc body, or on complex loop cone or complex loop arc body, be provided with at least one groove, or skewed slot, or helical groove, or compound groove, or compound skewed slot, or composite screw groove, or the rear portion of handle of a knife arranges positioning handle, or positioning handle is recessed to form as locating hole, or cone point or dise knife head are raised in ring cone or the ring arc body of at least one-level arranged in step shape, or complex loop cone or complex loop arc body, be provided with cutting edge, front cutting edge and cutting face or efficiently divide cutting blade, or cracking resistance divides cutting blade, compound front cutting edge and efficiently cut platform, or cracking resistance cuts platform, or various different setting is combined in the pick in same cutting pick head.

3. pick as claimed in claim 1, is characterized in that: at described various pick, or various pick-like bit, or in the cutting pick head of various cutting pick, be exposed to the cutting pick head handle of a knife of pick body front end, or on pick body pull end, there is at least one groove, or skewed slot, or left-handed, or the helical groove of dextrorotation, or at least one is left-handed, or the compound groove of dextrorotation, or at least one compound skewed slot, or at least one spiral compound groove that is left-handed or dextrorotation.

4. pick as claimed in claim 1, it is characterized in that: at described various pick, or various pick-like bit, or various cutting pick, the anterior tool rest of pick body on, there is at least one groove, or left-handed, or the helical groove of dextrorotation, or at least one compound groove, or at least one is left-handed, or the spiral compound groove of dextrorotation.

5. pick as claimed in claim 1, it is characterized in that: at described various pick, or various pick-like bit, or various cutting pick, at least one ring cone or ring arc body, or at least one-level complex loop cone, or the cutting edge of complex loop arc body, or combined cutting edges, and on cutting face, be provided with at least one-level and efficiently divide cutting blade and efficiently cut platform.

6. pick as claimed in claim 1, is characterized in that, at described various pick, or various pick-like bit, or on the ring cone of various cutting pick or ring arc body, or at least one-level complex loop cone, or on complex loop arc body, the cutting edge of setting, or point cutting blade, or on combined cutting edges, be provided with recess sword, or overlap compound recess sword, recess sword or compound recess sword extend back, form radiating groove, or overlap composite radiating groove.

7. pick as claimed in claim 1, is characterized in that, at described various pick, or various pick-like bit, or on the pick body of various cutting pick, be provided with keyway.