CN202137424U - Spiral tool for combined positioning cutting - Google Patents

Spiral tool for combined positioning cutting Download PDF

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Publication number
CN202137424U
CN202137424U CN201120027137U CN201120027137U CN202137424U CN 202137424 U CN202137424 U CN 202137424U CN 201120027137 U CN201120027137 U CN 201120027137U CN 201120027137 U CN201120027137 U CN 201120027137U CN 202137424 U CN202137424 U CN 202137424U
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China
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cutting
face
edge
cutterhead
sword
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CN201120027137U
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Chinese (zh)
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李仕清
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Shandong Wei Wei Machinery Co., Ltd.
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李仕清
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Abstract

The utility model provides a spiral tool for combined positioning cutting, which is stable in stability, high in heat dissipation efficiency and long in service life, and can be easily positioned during drilling. The spiral tool comprises a tool bit, and is characterized in that 1 a stepped cutting edge, a chamfering edge and a chisel edge on at least two sides of the spiral tool form a S-shaped cutting edge 2, at least one concave edge 3 is arranged on the stepped cutting edges or chamfering edges, a step portion with a gradually reduced height is formed on the rear cutting surface from the chisel edge to two outer sides, the cutting edge forms a stepped edge 4 on the stepped rear cutting surface, a step portion with a gradually reduced height is formed on the rear cutting surface from the chisel edge to two outer sides, the cutting edge forms stepped edges on the stepped rear cutting surface, and at least one grade of stepped edge is provided with at least one concave edge, the concave edge presents a groove which opens towards the rear cutting surface or the cutting surface of which is distributed in an enlarging manner.

Description

The helical tooth blade of compound location cutting
Technical field:
The utility model relates to a kind of helical tooth blade of compound location cutting, and the helical tooth blade of this compound location cutting is used for drilling machine processing and pincers worker maintenance.
Background technology:
At present, the fluted drill that uses in the machining is by chisel edge, cutting edge, screw pair sword; Side edge constitutes, and cutting edge and secondary sword roughly are single structure, and adjective-centre structure is poor, and these fluted drill utmost points are not durable; Especially be easy to generate a large amount of heat when (milling) cut the higher workpiece of hardness boring, cause the hardness of cutter head to reduce, cause the wearing and tearing of cutter head, also there is the defective of frangible in this cutter head simultaneously; And because the cutting edge on cutter head both sides is symmetrical when work, and cutting output generally only is that tens of microns are to 1 millimeter; So when artificial reconditioning, be difficult to grasp angle and height, in addition, the precision in these fluted drills and the hole that processed is defective; Very easily occurrence of waste simultaneously, also exists workpiece is taken up the problem that causes industrial accident when the workpiece that processing approaches.
The utility model content:
The utility model is exactly to propose in view of the above-mentioned problems, is purpose with the helical tooth blade that provides a kind of novel compound location to cut, and this kind cutter radiating efficiency is high, and intensity is big, and the life-span is long, and when Drilling Operations, locatees easily.
For achieving the above object, the utility model adopts following technical proposals:
A kind of helical tooth blade of compound location cutting comprises cutterhead, it is characterized in that; Cutterhead is provided with a plurality of spiral bar integratedly, and the tooth shape towards cutting direction of each spiral bar becomes the spiral cutting sword, and the face towards cutting direction at spiral cutting sword place forms the cutting face; The face of cutting face rear side forms the cutting face, back; In the cutting face of cutterhead raising be formed with stage portion, this stage portion begins to be formed with one or more levels step with the mode that reduces highly gradually laterally from the cutterhead axial centre, the outer peripheral edges of every grade of step are formed with compound positioning table with respect to the outer peripheral edges of cutterhead; Outermost positioning table is for strengthening platform; Said cutting face is that step-like cutterhead is formed with stair-stepping cutting edge at end face with the cutting face, back is crossing, and the intersection of the cutting edge of at least two spiral bar is formed with chisel edge, between the chisel edge of every side and the cutting edge of this side one chamfering blades is set; At least the cutting edge of both sides, chamfering blades and chisel edge form the cutting edge of S shape or anti-S shape, i.e. the S sword.
Preferably, said described helical tooth blade is characterized in that, cutting edge, chamfering blades and the chisel edge on the two-stage at least of said spiral bar cutting face, stair-stepping back and fillet surface forms the cutting edge of S shape or anti-S shape, i.e. S sword.
Preferably; The helical tooth blade of described compound location cutting; It is characterized in that the direction raising ground from the position screw pair cutting edge toward the outer side of tool axis on the apex point of each spiral bar is formed with one-level cutting face and one-level spiral positioning platform and one-level screw pair cutting edge at least at least at least.
A kind of helical tooth blade of compound location cutting comprises cutterhead, it is characterized in that; Cutterhead is provided with a plurality of spiral bar integratedly, and the tooth shape towards cutting direction of each spiral bar becomes the spiral cutting sword, and the face towards cutting direction at spiral cutting sword place forms the cutting face; The face of cutting face rear side forms the cutting face, back; In the cutting face of cutterhead raising be formed with stage portion, this stage portion begins to be formed with one or more levels step with the mode that reduces highly gradually laterally from the cutterhead axial centre, the outer peripheral edges of every grade of step are formed with compound positioning table with respect to the outer peripheral edges of cutterhead; Outermost positioning table is for strengthening platform; The cutterhead of said cutting face and this stage portion is formed with stair-stepping cutting edge at end face, and the intersection of the cutting edge of at least two spiral bar is formed with chisel edge, between the chisel edge of every side and the cutting edge of this side one chamfering blades is arranged; At least the cutting edge of both sides; Chamfering blades and chisel edge form the cutting edge of S shape or anti-S shape, i.e. S sword is provided with at least one recess sword and is opening cutting face or cutting face are extended and amplified the shape grooves distributed backward on the cutting edge of chisel edge both sides or chamfering blades.
Preferably; Described helical tooth blade; It is characterized in that cutting edge or chamfering blades on the two-stage at least of said spiral bar cutting face, stair-stepping back and fillet surface are provided with at least one recess sword, the recess sword is opening cutting face or cutting face extension amplification shape grooves distributed backward; And cutting edge, chamfering blades and chisel edge form the cutting edge of S shape or anti-S shape, i.e. the S sword.
A kind of helical tooth blade of compound location cutting comprises cutterhead, it is characterized in that; Cutterhead is provided with a plurality of spiral bar integratedly, and the tooth shape towards cutting direction of each spiral bar becomes the spiral cutting sword, and the face towards cutting direction at spiral cutting sword place forms the cutting face; The face of cutting face rear side forms the cutting face, back; In the cutting face of cutterhead raising be formed with stage portion, this stage portion begins to be formed with one or more levels step with the mode that reduces highly gradually laterally from the cutterhead axial centre, the outer peripheral edges of every grade of step are formed with compound positioning table with respect to the outer peripheral edges of cutterhead; Outermost positioning table is for strengthening platform; The cutterhead of said cutting face and this stage portion is formed with stair-stepping cutting edge at end face, and the intersection of the cutting edge of at least two spiral bar is formed with chisel edge, between the chisel edge of every side and the cutting edge of this side one chamfering blades is arranged; At least the cutting edge of both sides, chamfering blades and chisel edge form the cutting edge of S shape or anti-S shape; Be the S sword, on the cutting face, back, be formed with the stage portion that reduces highly gradually from chisel edge to two outsides, cutting edge is formed with the ladder sword on stair-stepping cutting face.
Preferably; Described helical tooth blade; It is characterized in that, in the cutting face of said spiral bar or cutting edge or the chamfering blades on cutting face, back and the fillet surface at least one recess sword is set, the recess sword is opening cutting face or cutting face extension amplification shape grooves distributed backward; And cutting edge, chamfering blades and chisel edge form the cutting edge of S shape or anti-S shape, i.e. the S sword.
A kind of helical tooth blade of compound location cutting comprises cutterhead, it is characterized in that; Cutterhead is provided with a plurality of spiral bar integratedly; The tooth shape towards cutting direction of each spiral bar becomes the spiral cutting sword, and the face towards cutting direction at spiral cutting sword place forms the cutting face, and the face of cutting face rear side forms the cutting face, back; Raising is formed with stage portion in the cutting face of cutterhead; This stage portion begins to be formed with one or more levels step with the mode that reduces highly gradually laterally from the cutterhead axial centre, and the outer peripheral edges of every grade of step are formed with compound positioning table with respect to the outer peripheral edges of cutterhead, and extend in the cutting face backward; The cutterhead of said cutting face and this stage portion is being formed with stair-stepping cutting edge on the end face with on the cutting face, back; The intersection of the cutting edge of at least two spiral bar is formed with chisel edge, between the chisel edge of every side and the cutting edge of this side one chamfering blades is arranged, and the cutting edge of both sides and chamfering blades and chisel edge form the cutting edge of S shape or anti-S shape at least; It is the S sword; On the cutting face, back, be formed with highly gradually the stage portion that reduces from chisel edge to two outsides, cutting edge is formed with the ladder sword on cutting face, stair-stepping back, at least one recess sword is set on one-level ladder sword at least is opening cutting face or cutting face are extended and amplified the shape grooves distributed backward.
Preferably; The helical tooth blade of described compound location cutting; It is characterized in that; On the cutterhead of said cutter,, be whole alloy cutter head, or the cutting edge of the both sides at least of said alloy cutter head and chamfering blades and chisel edge form S sword or anti-S sword at said helical tooth blade to run through this cutterhead and to be folded with alloy cutter head with respect to the centrosymmetric mode of end face; Alloy cutter head begins to be formed with one or more levels step with the mode that reduces highly gradually laterally from the cutterhead axial centre, and on cutting face, back or cutting face, is formed with stair-stepping cutting edge.
Preferably; The helical tooth blade of described compound location cutting; It is characterized in that; On the back cutting face of said cutter, be formed with at least one groove and preceding cutting face or spiral heat dissipation platform or spiral positioning platform and intersect and to be formed with at least one recess sword, the bottom shape of the bottom shape of groove and recess sword is trapezoidal, triangle or arc or other polyhedron shapes.
Preferably, the helical tooth blade of described compound location cutting is characterized in that, in the cutting face of said cutter or spiral heat dissipation face or preceding cutting face and cutting face, back intersect and form at least one-level and divide cutting blade or location to divide cutting blade.
Preferably, the helical tooth blade of described compound location cutting is characterized in that, on the cutting edge of the convexity of said cutter or apex point, has the location to divide cutting blade and extends to form the spiral positioning platform to drillstock.
Preferably, the helical tooth blade of described compound location cutting is characterized in that, on the apex point of said cutter, is formed with one-level location branch cutting blade at least, one-level spiral positioning platform and one-level screw pair cutting edge at least at least.
Preferably, the helical tooth blade of described compound location cutting is characterized in that, is straight sword or recess sword or falls and be formed with branch cutting blade and little side edge on trapezoidal sword or triangle sword or the square opening sword at the cutting edge of said cutter.
Preferably, the helical tooth blade of described compound location cutting is characterized in that, the cutting edge that intersects at said cutter outermost and screw pair cutting edge or the angle of branch cutting blade and screw pair cutting edge are acute angle or right angle or obtuse angle.
Preferably, the helical tooth blade of described compound location cutting is characterized in that, connects cutter tip in the front portion of the spiral bar of said cutter.
Preferably, on the preceding cutting face of said compound location centering branch cutting blade, be formed with the centering screw pair sword of one-level compound location cutting at least.
Preferably, on the preceding cutting face of spiral, be formed with the screw pair sword of the compound location of one-level combined cut at least.
The centering screw pair sword outside of the helical tooth blade that preferably, cuts in said compound location is to being formed with groove or plane between the side edge.
The recess sword of the helical tooth blade that preferably, cuts in said compound location is down the multiaspect chamber shape of trapezoidal or square or arc.
Description of drawings:
Technical scheme of the utility model and advantage will be carried out detailed explanation in conjunction with the drawings, in this accompanying drawing:
Fig. 1 is the sketch map of cutter of first embodiment of the utility model.
Fig. 2 is the sketch map of cutter of second embodiment of the utility model.
Fig. 3 is the sketch map of cutter of the 3rd embodiment of the utility model.
Fig. 4 is the sketch map of cutter of the 4th embodiment of the utility model.
Fig. 5 is the sketch map of cutter of the 5th embodiment of the utility model.
Fig. 6 is the sketch map of cutter of the 6th embodiment of the utility model.
Fig. 7 is the sketch map of cutter of the 7th embodiment of the utility model.
Fig. 8 is the sketch map of cutter of the 8th embodiment of the utility model.
The specific embodiment:
To combine accompanying drawing that the preferred implementation of the helical tooth blade that cut the compound location of the utility model at length is described below, main in embodiment 1-4 is that example describes with the cutter with two spiral bar.
Embodiment 1:
As shown in Figure 1, the helical tooth blade of the compound location cutting of first embodiment of the utility model comprises cutterhead 1; Cutterhead 1 is provided with two spiral bar 2 integratedly; The face towards cutting direction of spiral bar 2 is cutting face 3, and the top rear side in cutting face 3 is cutting face 4, back, and outermost of spiral bar 2 is secondary cutting face 5; Cutting face 3 and the secondary cutting face 5 crossing front cutting edges 14 that are formed with; The inboard axial centre in cutting face 3 begins to be formed with one or more levels step 6 with the mode that reduces highly gradually laterally, and outermost one-level is for strengthening platform 7, and protruding cutting face 3 is formed with compound secondary sword 15 with intersecting; On cutting face 4, back, be formed with the stage portion 8 that reduces highly gradually to two outsides from chisel edge 9; Cutting edge 10 is formed with ladder sword 11 on stair-stepping cutting face, 10 of chisel edge 8 and cutting edges have chamfering blades 12 to extend to form fillet surface 13 downwards, and cutting edge 10 forms S sword or anti-S sword with chamfering blades 12 and chisel edge 9.
According to said structure and since at the center of cutterhead 1 top bump be provided with cutting face 4, back and stage portion 8 therefore this cutter have good stability, again since cutting face 3 be provided with and strengthen platform 7 and make this cutter when cutting, strengthen knowing clearly outer end cutting edge strength of cutterhead 1; Cutting edge 10 and chamfering blades 12 and chisel edge 9 form the center drag that the cutting edge of S shape or anti-S shape has effectively decomposed cutterhead 1; Strengthened cutterhead 1 stability, compared, increased a new compound secondary sword 15 again with cutter head in the past; Can carry out work with two front cutting edges thus; Thereby the cutting force that can decompose front cutting edge 14, the frictional strength of reduction front cutting edge 14 reduces the frictional heat generation; Can also increase simultaneously the area of dissipation of cutterhead; Reduce the cutterhead temperature, prolonged cutter life, and in process, keep high strength always.
Embodiment 2:
As shown in Figure 2; The helical tooth blade of the compound location cutting of second embodiment of the utility model; Comprise cutterhead 1, cutterhead 1 is provided with two spiral bar 2 integratedly, and the face towards cutting direction of spiral bar 2 is cutting face 3; The top rear side in cutting face 3 is cutting face 4, back; Outermost of spiral bar 2 is secondary cutting face 5, cutting face 3 and the secondary cutting face 5 crossing front cutting edges 14 that are formed with, and chisel edge 8 places in back cutting face 4 begin to be formed with one or more levels stage portion 8 with the mode that reduces highly gradually laterally; Protruding back cutting face 4 and 3 cutting faces, cutting face, the 3 crossing one-level combined cut swords 18 or 19 at least that are formed with; Cutting edge 10 is formed with ladder sword 11 on stair-stepping cutting face, 10 of chisel edge 8 and cutting edges have chamfering blades 12 to extend to form fillet surface 13 downwards, and cutting edge 10 forms S sword or anti-S sword with chamfering blades 12 and chisel edge 9.
According to said structure and since at the center of cutterhead 1 top bump be provided with cutting face 4, back and stage portion 8 therefore this cutter have good stability, cutting edge 10 and chamfering blades 12 and chisel edge 9 form the center drag that the cutting edge of S shape or anti-S shape has effectively decomposed cutterhead 1; Strengthened cutterhead 1 stability, compared, increased a new compound secondary sword 15 again with cutter head in the past; Can carry out work with two front cutting edges thus; Thereby the cutting force that can decompose front cutting edge 14, the frictional strength of reduction front cutting edge 14 reduces the frictional heat generation; Can also increase simultaneously the area of dissipation of cutterhead; Reduce the cutterhead temperature, prolonged cutter life, and in process, keep high strength always.
Embodiment 3:
As shown in Figure 3; The helical tooth blade of the compound location cutting of the 3rd embodiment of the utility model comprises cutterhead 1, and cutterhead 1 is provided with two spiral bar 2 integratedly; The face towards cutting direction of spiral bar 2 is cutting face 3; The top rear side in cutting face 3 is cutting face 4, back, and outermost of spiral bar 2 is secondary cutting face 5, cutting face 3 and the secondary cutting face 5 crossing front cutting edges 14 that are formed with; Inboard top chisel edge 9 beginnings in back cutting face 4 are formed with one or more levels step 6 with the mode that reduces highly gradually laterally; Cutting face, stair-stepping back 4 is intersected with cutting face 3 and is formed with one-level ladder sword 11 at least, at least one recess sword 17 is set on stair-stepping cutting edge 10 is opening and extends and amplify shape grooves distributed 16 in cutting face 4 backward, on cutting face 4, back, is formed with the stage portion 8 that reduces highly gradually to two outsides from chisel edge 9; Cutting edge 10 is formed with ladder sword 11 on stair-stepping cutting face, 10 of chisel edge 8 and cutting edges have chamfering blades 12 to extend to form fillet surface 13 downwards.
According to said structure, at the center of cutterhead 1 top bump be provided with cutting face 4, back and stage portion 8 therefore this cutter have good stability, again since cutting face 3 be provided with and strengthen platform 7 and make this cutter when cutting, strengthen knowing clearly outer end cutting edge strength of cutterhead 1; Cutting edge 10 and chamfering blades 12 and chisel edge 9 form the center drag that the cutting edge of S shape or anti-S shape has effectively decomposed cutterhead 1; Strengthened cutterhead 1 stability and compared, increased a new compound secondary sword 15 again, can carry out work with two front cutting edges thus with cutter head in the past; Thereby the cutting force that can decompose front cutting edge 14; Reduce the frictional strength of front cutting edge 14, effectively decomposed cutting resistance, the frictional heat generation is reduced through recess sword 17 is set; Can also increase simultaneously the area of dissipation of cutterhead; Reduce the cutterhead temperature, prolonged cutter life, and in process, keep high strength always.
Embodiment 4:
As shown in Figure 4, the helical tooth blade of the compound location cutting of the 4th embodiment of the utility model comprises cutterhead 1; Cutterhead 1 is provided with two spiral bar 2 integratedly; The face towards cutting direction of spiral bar 2 is cutting face 3, and the top rear side in cutting face 3 is cutting face 4, back, and outermost of spiral bar 2 is secondary cutting face 5; Cutting face 3 and the secondary cutting face 5 crossing front cutting edges 14 that are formed with; The inboard axial centre in cutting face 3 begins to be formed with one or more levels step 6 with the mode that reduces highly gradually laterally, and outermost one-level is for strengthening platform 7, and protruding cutting face 3 is formed with compound secondary sword 15 with intersecting; On cutting face 4, back, be formed with the stage portion 8 that reduces highly gradually to two outsides from chisel edge 9; At least one recess sword 17 is set on stair-stepping cutting edge 10 is opening cutting face 4 extension amplification shape grooves distributed 16 backward, cutting edge 10 is formed with ladder sword 11 on stair-stepping cutting face, and 10 of chisel edge 8 and cutting edges have chamfering blades 12 to extend to form fillet surface 13 downwards.
According to said structure and since at the center of cutterhead 1 top bump be provided with cutting face 4, back and stage portion 8 therefore this cutter have good stability, again since cutting face 3 be provided with and strengthen platform 7 and make this cutter when cutting, strengthen knowing clearly outer end cutting edge strength of cutterhead 1; Cutting edge 10 and chamfering blades 12 and chisel edge 9 form the center drag that the cutting edge of S shape or anti-S shape has effectively decomposed cutterhead 1; Strengthened cutterhead 1 stability and compared, increased a new compound secondary sword 15 again, can carry out work with two front cutting edges thus with cutter head in the past; Thereby the cutting force that can decompose front cutting edge 14; Reduce the frictional strength of front cutting edge 14, effectively decomposed cutting resistance, the frictional heat generation is reduced through recess sword 17 is set; Can also increase simultaneously the area of dissipation of cutterhead; Reduce the cutterhead temperature, prolonged cutter life, and in process, keep high strength always.
Embodiment 5:
Show like Fig. 5; The helical tooth blade of the compound location cutting of the 5th embodiment of the utility model comprises cutterhead 1; Cutterhead 1 is provided with two spiral bar 2 integratedly, and the face towards cutting direction of spiral bar 2 is cutting face 3, and the top rear side in cutting face 3 is cutting face 4, back; Outermost of spiral bar 2 is secondary cutting face 5; Cutting face 3 is intersected with secondary cutting face 5 and is formed with front cutting edge 14, and 10 of chisel edge 8 and cutting edges have chamfering blades 12 to extend to form fillet surface 13 downwards, and cutting edge 10 forms S sword or anti-S sword with chamfering blades 12 and chisel edge 9.
According to said structure, because at the center of cutterhead 1, cutting edge 10 and chamfering blades 12 and chisel edge 9 form the center drag that the cutting edge of S shape or anti-S shape has effectively decomposed cutterhead 1; Strengthened the stability of cutterhead 1, effectively decomposed cutting resistance, compared with cutter head in the past through recess sword 17 is set; Cutting resistance significantly reduces, and radiating effect significantly improves, and stock-removing efficiency strengthens significantly; The frictional heat generation is reduced, can also increase the area of dissipation of cutterhead simultaneously, reduce the cutterhead temperature; Prolonged cutter life, and in process, keep high strength always.
Embodiment 6:
Show like Fig. 6; The helical tooth blade of the compound location cutting of the 6th embodiment of the utility model comprises cutterhead 1, and cutterhead 1 is provided with two spiral bar 2 integratedly; The face towards cutting direction of spiral bar 2 is cutting face 3; The top rear side in cutting face 3 is cutting face 4, back, and outermost of spiral bar 2 is secondary cutting face 5, cutting face 3 and the secondary cutting face 5 crossing front cutting edges 14 that are formed with; The inboard axial centre in cutting face 3 begins to be formed with one or more levels step 6 with the mode that reduces highly gradually laterally; Outermost one-level is for strengthening platform 7, and protruding cutting face 3 is formed with compound secondary sword 15 with intersecting, and on cutting face 4, back, from the cutting edge 10 of chisel edge 9 at least two outsides at least one recess sword 17 is set; Cutting edge 10 is formed with ladder sword 11 on stair-stepping cutting face, 10 of chisel edge 8 and cutting edges have chamfering blades 12 to extend to form fillet surface 13 downwards.
According to said structure, because cutting face 3 is provided with and strengthens platform 7 and make this cutter when cutting, strengthen the outer end cutting edge strength of cutterhead 1, cutting edge 10 and chamfering blades 12 and chisel edge 9 form the center drag that the cutting edge of S shape or anti-S shape has effectively decomposed cutterhead 1; Strengthened cutterhead 1 stability, compared, increased a new compound secondary sword 15 again with cutter head in the past; Can carry out work with two front cutting edges thus, thereby can decompose the cutting force of front cutting edge 14, reduce the frictional strength of front cutting edge 14; Effectively decomposed cutting resistance through recess sword 17 is set, compared with cutter head in the past, cutting resistance significantly reduces; Radiating effect significantly improves, and stock-removing efficiency strengthens significantly, and the frictional heat generation is reduced; Can also increase simultaneously the area of dissipation of cutterhead; Reduce the cutterhead temperature, prolonged cutter life, and in process, keep high strength always.
Embodiment 7:
Show like Fig. 7; The helical tooth blade of the compound location cutting of the 7th embodiment of the utility model comprises cutterhead 1, and cutterhead 1 is provided with two spiral bar 2 integratedly; The face towards cutting direction of spiral bar 2 is cutting face 3; The top rear side in cutting face 3 is cutting face 4, back, and outermost of spiral bar 2 is secondary cutting face 5, cutting face 3 and the secondary cutting face 5 crossing front cutting edges 14 that are formed with; The inboard axial centre in cutting face 3 begins to be formed with one or more levels step 6 with the mode that reduces highly gradually laterally; Outermost one-level is for strengthening platform 7, and protruding cutting face 3 is formed with compound secondary sword 15 with intersecting, and on cutting face 4, back, is formed with the stage portion 8 that reduces highly gradually to two outsides from chisel edge 9; Cutting edge 10 is formed with ladder sword 11 on stair-stepping cutting face, 10 of chisel edge 8 and cutting edges have chamfering blades 12 to extend to form fillet surface 13 downwards.
According to said structure; Since at the center of cutterhead 1 top bump be provided with cutting face 4, back and stage portion 8 therefore this cutter have good stability, because cutting face 3 is provided with and strengthens platform 7 and make this cutter when cutting, strengthen knowing clearly outer end cutting edge strength of cutterhead 1, cutting edge 10 and chamfering blades 12 and chisel edge 9 form the center drag that the cutting edge of S shape or anti-S shape has effectively decomposed cutterhead 1 again; Having strengthened cutterhead 1 stability compares with cutter head in the past; Increased a new compound secondary sword 15 again, can carry out work with two front cutting edges thus, thereby can decompose the cutting force of front cutting edge 14; Reduce the frictional strength of front cutting edge 14; The frictional heat generation is reduced, can also increase the area of dissipation of cutterhead simultaneously, reduce the cutterhead temperature; Prolonged cutter life, and in process, keep high strength always.
Embodiment 8:
Show that like Fig. 8 the helical tooth blade of the compound location cutting of the 8th embodiment of the utility model comprises cutterhead 1; Cutterhead 1 is provided with two spiral bar 2 integratedly; The top of spiral bar 2 is run through is provided with an alloy cutter head 19, and alloy cutter head 19 is cutting face 3 towards the face of cutting direction, and the top rear side in cutting face 3 is cutting face 4, back; Outermost of alloy cutter head 19 is secondary cutting face 5; Cutting face 3 and the secondary cutting face 5 crossing front cutting edges 14 that are formed with, the inboard axial centre in cutting face 3 begins to be formed with one or more levels step 6 with the mode that reduces highly gradually laterally, and outermost one-level is for strengthening platform 7; Protruding cutting face 3 is formed with compound secondary sword 15 with intersecting; On cutting face 4, back, be formed with the stage portion 8 that reduces highly gradually from chisel edge 9 to two outsides, cutting edge 10 is formed with ladder sword 11 on stair-stepping cutting face, and 10 of chisel edge 8 and cutting edges have chamfering blades 12 to extend to form fillet surface 13 downwards.
According to said structure and since at the center of cutterhead 1 top bump be provided with cutting face 4, back and stage portion 8 therefore this cutter have good stability, again since cutting face 3 be provided with and strengthen platform 7 and make this cutter when cutting, strengthen knowing clearly outer end cutting edge strength of cutterhead 1; Cutting edge 10 and chamfering blades 12 and chisel edge 9 form the center drag that the cutting edge of S shape or anti-S shape has effectively decomposed cutterhead 1, have strengthened the stability of cutterhead 1, and the setting of alloy cutter head 19 makes the helical tooth blade of compound location cutting have higher efficient and intensity; Higher service life, compare with cutter head in the past, increased a new compound secondary sword 15 again; Can carry out work with two front cutting edges thus; Thereby the cutting force that can decompose front cutting edge 14, the frictional strength of reduction front cutting edge 14 reduces the frictional heat generation; Can also increase simultaneously the area of dissipation of cutterhead; Reduce the cutterhead temperature, prolonged cutter life, and in process, keep high strength always.
The shank of tool of the utility model can adopt the embodiment of various different structures, therefore omits its explanation at this.
Though more than be that example is illustrated with cutter with two spiral bar, the cutter of the utility model also can have a plurality of spiral bar, on each spiral bar, can adopt the combination like structure and other various ways thereof of said embodiment.
Above-described preferred implementation is illustrative rather than restrictive; Under the situation of purport that does not break away from the utility model and essential characteristic; The utility model can also otherwise be implemented and specialize; The scope of the utility model is limited claim, and all distortion in the claim limited range all fall in the scope of the utility model.

Claims (10)

1. the helical tooth blade of compound location cutting comprises cutterhead, it is characterized in that; Cutterhead is provided with a plurality of spiral bar integratedly, and the tooth shape towards cutting direction of each spiral bar becomes the spiral cutting sword, and the face towards cutting direction at spiral cutting sword place forms the cutting face; The face of cutting face rear side forms the cutting face, back; In the cutting face of cutterhead raising be formed with stage portion, this stage portion begins to be formed with one or more levels step with the mode that reduces highly gradually laterally from the cutterhead axial centre, the outer peripheral edges of every grade of step are formed with compound positioning table with respect to the outer peripheral edges of cutterhead; Outermost positioning table is for strengthening platform; Said cutting face is that step-like cutterhead is formed with stair-stepping cutting edge at end face with the cutting face, back is crossing, and the intersection of the cutting edge of at least two spiral bar is formed with chisel edge, between the chisel edge of every side and the cutting edge of this side one chamfering blades is set; At least the cutting edge of both sides, chamfering blades and chisel edge form the cutting edge of S shape or anti-S shape, i.e. the S sword.
2. helical tooth blade as claimed in claim 1 is characterized in that, cutting edge, chamfering blades and the chisel edge on the two-stage at least of said spiral bar cutting face, stair-stepping back and fillet surface forms the cutting edge of S shape or anti-S shape, i.e. S sword.
3. the helical tooth blade of compound location cutting comprises cutterhead, it is characterized in that; Cutterhead is provided with a plurality of spiral bar integratedly; The tooth shape towards cutting direction of each spiral bar becomes the spiral cutting sword, and the face towards cutting direction at spiral cutting sword place forms the cutting face, and the face of cutting face rear side forms the cutting face, back; Raising is formed with stage portion in the cutting face of cutterhead; This stage portion begins to be formed with one or more levels step with the mode that reduces highly gradually laterally from the cutterhead axial centre, and the outer peripheral edges of every grade of step are formed with compound positioning table with respect to the outer peripheral edges of cutterhead, and outermost positioning table is for strengthening platform; The cutterhead of said cutting face and this stage portion is formed with stair-stepping cutting edge at end face; The intersection of the cutting edge of at least two spiral bar is formed with chisel edge, between the chisel edge of every side and the cutting edge of this side one chamfering blades is arranged, and the cutting edge of both sides, chamfering blades and chisel edge form the cutting edge of S shape or anti-S shape at least; Be the S sword, at least one recess sword be set on the cutting edge of chisel edge both sides or chamfering blades be opening cutting face or cutting face are extended and amplified the shape grooves distributed backward.
4. the helical tooth blade of compound location cutting comprises cutterhead, it is characterized in that; Cutterhead is provided with a plurality of spiral bar integratedly, and the tooth shape towards cutting direction of each spiral bar becomes the spiral cutting sword, and the face towards cutting direction at spiral cutting sword place forms the cutting face; The face of cutting face rear side forms the cutting face, back; In the cutting face of cutterhead raising be formed with stage portion, this stage portion begins to be formed with one or more levels step with the mode that reduces highly gradually laterally from the cutterhead axial centre, the outer peripheral edges of every grade of step are formed with compound positioning table with respect to the outer peripheral edges of cutterhead; Outermost positioning table is for strengthening platform; The cutterhead of said cutting face and this stage portion is formed with stair-stepping cutting edge at end face, and the intersection of the cutting edge of at least two spiral bar is formed with chisel edge, between the chisel edge of every side and the cutting edge of this side one chamfering blades is arranged; At least the cutting edge of both sides, chamfering blades and chisel edge form the cutting edge of S shape or anti-S shape; Be the S sword, on the cutting face, back, be formed with the stage portion that reduces highly gradually from chisel edge to two outsides, cutting edge is formed with the ladder sword on stair-stepping cutting face.
5. the helical tooth blade of compound location cutting; Comprise cutterhead, it is characterized in that cutterhead is provided with a plurality of spiral bar integratedly; The tooth shape towards cutting direction of each spiral bar becomes the spiral cutting sword; The face towards cutting direction at spiral cutting sword place forms the cutting face, and the face of cutting face rear side forms the cutting face, back, and raising is formed with stage portion in the back cutting face of cutterhead; The axial centre of this stage portion chisel edge from the cutterhead top begins to be formed with one or more levels step with the mode that reduces highly gradually laterally; The outer peripheral edges of every grade of step are formed with compound positioning table with respect to the outer peripheral edges on cutterhead top, and the cutterhead of said cutting face and this stage portion is formed with stair-stepping cutting edge with the cutting face, back is crossing on the end face in cutting face, and the intersection of the cutting edge of at least two spiral bar is formed with chisel edge; Between the chisel edge of every side and the cutting edge of this side one chamfering blades is arranged; At least the cutting edge of both sides and chamfering blades and chisel edge form the cutting edge of S shape or anti-S shape, and promptly the S sword is formed with the stage portion that reduces highly gradually from chisel edge to two outsides on the cutting face, back; Cutting edge is formed with the ladder sword on cutting face, stair-stepping back, at least one recess sword is set on one-level ladder sword at least is opening cutting face or cutting face are extended and amplified the shape grooves distributed backward.
6. like the arbitrary described helical tooth blade of claim 1-5; It is characterized in that; In the cutting face of said spiral bar or cutting edge or the chamfering blades on cutting face, back and the fillet surface at least one recess sword is set; The recess sword is opening and cutting face or cutting face extends and amplify the shape grooves distributed backward, and cutting edge, chamfering blades and chisel edge form the cutting edge of S shape or anti-S shape, i.e. the S sword.
7. like the arbitrary described helical tooth blade of claim 1-6; It is characterized in that; Cutting edge or chamfering blades on the two-stage at least of said spiral bar cutting face, stair-stepping back and fillet surface are provided with at least one recess sword; The recess sword is opening and cutting face or cutting face extends and amplify the shape grooves distributed backward, and cutting edge, chamfering blades and chisel edge form the cutting edge of S shape or anti-S shape, i.e. the S sword.
8. the helical tooth blade that cuts like the arbitrary described compound location of claim 1-7; It is characterized in that; On the cutterhead of said cutter to run through this cutterhead and to be folded with alloy cutter head with respect to the centrosymmetric mode of end face; The cutting edge of the both sides at least of said alloy cutter head and chamfering blades and chisel edge form S sword or anti-S sword; Alloy cutter head begins to be formed with one or more levels step with the mode that reduces highly gradually laterally from the cutterhead axial centre, and on cutting face, back or cutting face, is formed with stair-stepping cutting edge.
9. the helical tooth blade that cuts like the arbitrary described compound location of claim 1-8; It is characterized in that; At said helical tooth blade is whole alloy cutter head; The cutting edge of the both sides at least of said alloy cutter head and chamfering blades and chisel edge form S sword or anti-S sword, and alloy cutter head begins to be formed with one or more levels step with the mode that reduces highly gradually laterally from the cutterhead axial centre, and on cutting face, back or cutting face, is formed with stair-stepping cutting edge.
10. like the helical tooth blade of the arbitrary described compound location cutting of claim 1-9, it is characterized in that recess sword at said helical tooth blade is for falling trapezoidal or square or arc multiaspect chamber shape.
CN201120027137U 2011-01-22 2011-01-22 Spiral tool for combined positioning cutting Expired - Fee Related CN202137424U (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102126039A (en) * 2011-01-22 2011-07-20 李仕清 Spiral cutter for composite positioned cutting
CN103381497A (en) * 2012-05-03 2013-11-06 李仕清 Centering spiral cutter for combined positioning and combined cutting
CN103706846A (en) * 2012-10-01 2014-04-09 李仕清 Centering spiral tool with combined positioning and combined cutting functions
CN104001972A (en) * 2013-11-26 2014-08-27 李仕清 Self-cooling technology for machining twist drill with spiral composite edge and machining method thereof
CN110802259A (en) * 2019-11-28 2020-02-18 上海钰工机电有限公司 Twist drill

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102126039A (en) * 2011-01-22 2011-07-20 李仕清 Spiral cutter for composite positioned cutting
CN103381497A (en) * 2012-05-03 2013-11-06 李仕清 Centering spiral cutter for combined positioning and combined cutting
CN103706846A (en) * 2012-10-01 2014-04-09 李仕清 Centering spiral tool with combined positioning and combined cutting functions
CN104001972A (en) * 2013-11-26 2014-08-27 李仕清 Self-cooling technology for machining twist drill with spiral composite edge and machining method thereof
CN110802259A (en) * 2019-11-28 2020-02-18 上海钰工机电有限公司 Twist drill
CN110802259B (en) * 2019-11-28 2021-07-06 上海钰工机电有限公司 Twist drill

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