CN103706872A - Combined broach - Google Patents
Combined broach Download PDFInfo
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- CN103706872A CN103706872A CN201210394244.3A CN201210394244A CN103706872A CN 103706872 A CN103706872 A CN 103706872A CN 201210394244 A CN201210394244 A CN 201210394244A CN 103706872 A CN103706872 A CN 103706872A
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Abstract
The invention provides a combined broach. Cutting edges of the broach are high in crack resistance and easy to position. The combined broach comprises a broach head. The combined broach is characterized in that on cutting faces facing the rotation direction, at least one level of various inner oblique cutting faces or combined cutting faces , at the bottom or on the lateral sides, are formed through triangular-groove-shaped, trapezoid-groove-shaped, arc-triangular-groove-shaped or arc-trapezoid-groove-shaped recesses or through arc protrusions or oblique protrusions, and an included angle larger than 90 degrees but smaller than 180 degrees is formed between each cutting face or combined cutting face and the corresponding inner oblique cutting face or combined cutting face; or, the arc protrusions or oblique protrusions vertically extend to form combined positioning and decomposing platforms intersecting with the combined cutting faces on the inner side, and various inner oblique blades, side recessed blades or side oblique blades are formed to enable the stress to incline towards the inner side during cutting, so that the arm of force is reduced and cutting resistance of the outer side is decomposed, cutting efficiency and service life of the broach reach the maximum values, cost is reduced, and resources are saved.
Description
Technical field:
The present invention relates to a kind of broaching tool, this broaching tool is for the pulling eye of the operations such as brill of machining.
Background technology:
The broaching tool using in machining at present consists of chamfering blades, front cutting edge, cutting face, secondary cutting face, cutting edge, cutting edge is roughly single cutting force way, though be that every broaching tool has a plurality of cutting bars, on each cutting bar, there is a complete cutting edge, the cutting edge of this kind of structure is tapering broaching tool especially, integral body is stressed, resistance is very large, often cause broaching tool fracture, cause waste product, even cause industrial accident, and hand broaching tool, because resistance is required great effort when the pulling eye very greatly more, workman's workload is very large, and efficiency is very low.
Summary of the invention:
The present invention is exactly in view of the above-mentioned problems and proposes, and one a kind of novel combination broach is provided is object, and this kind of cutter radiating efficiency is high, and cutting resistance is little, and the life-span is long.
In order to achieve the above object, the present invention adopts following technical proposals:
A kind of combination broach, comprise the shank of tool and cutterhead, this shank of tool and cutterhead form as one, cutterhead is provided with a plurality of bite pieces or cutting cutter tooth piece integratedly, on each bite piece or cutting cutter tooth piece, face towards cutting direction is cutting face, the rear side in cutting face is rear cutting face, or the face of both sides, He Hou cutting face, cutting face is side cutting face, intersect in Yu Hou cutting face, cutting face, be formed with at least one cutting edge or arc milling sword, the crossing side cutting edge that is formed with in Yu Ce cutting face, cutting face, described combination broach is at various keyway broaches, or various spline broaches, or various straight spline broaches, or various involute spline broaches, or various path centring rectangular spline broaches, or various with side tooth keyway broach, or other various broaching tools, it is characterized in that: on combination broach, integratedly, or connect and carry out with forming as one the setting of following technical scheme, on the cutting face towards direction of rotation, triangular groove shape or dovetail groove shape, or arc triangle groove shape or the trapezoidal groove depression of arc be provided with the bottom of one-level at least or sidepiece, with cutting face or combined cut face be formed with have be greater than 90 ° be less than 180 ° of angles in the bevel of cutting sth. askew, or the bevel of cutting sth. askew in arc, or the bevel of cutting sth. askew in compound, or the bevel of cutting sth. askew in compound arcuate, or combined cut face, or arc combined cut face, or in the bevel of cutting sth. askew, or the bevel of cutting sth. askew in arc, or the bevel of cutting sth. askew in compound, or the bevel of cutting sth. askew in compound arcuate, or combined cut face, or arc combined cut face, decomposing platform with compound location intersects, be formed with the angle that is greater than 30 ° or is less than 120 °, or intersect through cutting face or the combined cut face of arc convex or oblique projection and inner side, or the extension that erects of arc convex or oblique projection, be formed with the compound location decomposition platform that is greater than 30 ° or is less than 120 ° of angles, or compound location is decomposed platform and is more than or equal to 90 ° of angles with cutting face or crossing being formed with of combined cut face of inner side, or triangular groove shape or dovetail groove shape, or the bottom of arc triangle groove shape or arc dovetail groove shape or sidepiece setting in the bevel of cutting sth. askew, or the bevel of cutting sth. askew in arc, or the bevel of cutting sth. askew in compound, or the bevel of cutting sth. askew in compound arcuate, or combined cut face, or arc combined cut face, or arc convex or oblique projection extend to front end, or extend to rear portion, or arc extends, to cutting edge or combined cutting edges, or side cutting edge, or on compound side cutting edge, be formed with oblique sword in interior oblique sword or arc, or oblique sword in compound interior oblique sword or compound arcuate, the recessed sword of side or skew back sword, triangular groove shape or dovetail groove shape, or arc triangle groove shape or the setting of arc dovetail groove shape, or spread configuration in the bevel of cutting sth. askew, or the bevel of cutting sth. askew in arc, or the bevel of cutting sth. askew in compound, or the bevel of cutting sth. askew in compound arcuate, combined cut face, or arc combined cut face is for efficiently cutting platform, triangular groove shape or dovetail groove shape, or arc triangle groove shape or the setting of arc dovetail groove shape or spread configuration cutting edge, or combined cutting edges, or combined cutting edges, or interior oblique sword, or oblique sword in arc, or compound interior oblique sword, or oblique sword in compound arcuate, for efficient minute cutting blade, the outermost platform of efficiently cutting is that cracking resistance is cut platform, outermost efficient minute cutting blade is that cracking resistance is divided cutting blade, or cutting face, or combined cut face, or the face-to-face side of arc combined cut, or on the face of side, be provided with groove below.
A kind of combination broach, comprise the shank of tool and cutterhead, this shank of tool and cutterhead form as one, cutterhead is provided with a plurality of bite pieces or cutting cutter tooth piece integratedly, on each bite piece or cutting cutter tooth piece, face towards cutting direction is cutting face, the rear side in cutting face is rear cutting face, or the face of both sides, He Hou cutting face, cutting face is side cutting face, intersect in Yu Hou cutting face, cutting face, be formed with at least one cutting edge or arc milling sword, the crossing side cutting edge that is formed with in Yu Ce cutting face, cutting face, described combination broach is at various keyway broaches, or various spline broaches, or various straight spline broaches, or various involute spline broaches, or various path centring rectangular spline broaches, or various with side tooth keyway broach, or other various broaching tools, on combination broach, integratedly, or connect and carry out with forming as one the setting of following technical scheme, on the cutting face towards direction of rotation, triangular groove shape or dovetail groove shape, or arc triangle groove shape or the trapezoidal groove depression of arc be provided with the bottom of one-level at least or sidepiece, with cutting face or combined cut face be formed with have be greater than 90 ° be less than 180 ° of angles in the bevel of cutting sth. askew, or the bevel of cutting sth. askew in arc, or the bevel of cutting sth. askew in compound, or the bevel of cutting sth. askew in compound arcuate, or combined cut face, or arc combined cut face, or in the bevel of cutting sth. askew, or the bevel of cutting sth. askew in arc, or the bevel of cutting sth. askew in compound, or the bevel of cutting sth. askew in compound arcuate, or combined cut face, or arc combined cut face, decomposing platform with compound location intersects, be formed with the angle that is greater than 30 ° or is less than 120 °, or intersect through cutting face or the combined cut face of arc convex or oblique projection and inner side, or the extension that erects of arc convex or oblique projection, be formed with the compound location decomposition platform that is greater than 30 ° or is less than 120 ° of angles, or compound location is decomposed platform and is more than or equal to 90 ° of angles with cutting face or crossing being formed with of combined cut face of inner side, or triangular groove shape or dovetail groove shape, or the bottom of arc triangle groove shape or arc dovetail groove shape or sidepiece setting in the bevel of cutting sth. askew, or the bevel of cutting sth. askew in arc, or the bevel of cutting sth. askew in compound, or the bevel of cutting sth. askew in compound arcuate, or combined cut face, or arc combined cut face, or arc convex or oblique projection extend to front end, or extend to rear portion, or arc extends, to cutting edge or combined cutting edges, or side cutting edge, or on compound side cutting edge, be formed with oblique sword in interior oblique sword or arc, or oblique sword in compound interior oblique sword or compound arcuate, the recessed sword of side or skew back sword, triangular groove shape or dovetail groove shape, or arc triangle groove shape or the setting of arc dovetail groove shape, or spread configuration in the bevel of cutting sth. askew, or the bevel of cutting sth. askew in arc, or the bevel of cutting sth. askew in compound, or the bevel of cutting sth. askew in compound arcuate, combined cut face, or arc combined cut face is for efficiently cutting platform, triangular groove shape or dovetail groove shape, or arc triangle groove shape or the setting of arc dovetail groove shape or spread configuration cutting edge, or combined cutting edges, or combined cutting edges, or interior oblique sword, or oblique sword in arc, or compound interior oblique sword, or oblique sword in compound arcuate, for efficient minute cutting blade, the outermost platform of efficiently cutting is that cracking resistance is cut platform, outermost efficient minute cutting blade is that cracking resistance is divided cutting blade, or cutting face, or combined cut face, or the face-to-face side of arc combined cut, or on the face of side, be provided with groove below, it is characterized in that: inner side, cutting face or rear portion, the combined cut face that arranges of projection, the corner that the cutting edge intersect forming with rear cutting face and side cutting edge are crossing, part is set to cracking resistance cutting table, and be formed with respectively and efficiently cut platform, with the crossing cutting edge in rear cutting face or local side cutting edge be cracking resistance cutting edge, extend and rear cutting face forward, or side cutting face, or intersect in the cutting face on end face, be formed with the cutting face of angle, what on the cutting face of Gai corner, cave in arranges arranged in step shape, outermost cutting face or cutting face are cracking resistance cutting table, with side cutting face, outside, or side cutting face, or intersect in rear cutting face, be formed with the cracking resistance cutting edge of both sides, or cracking resistance is cut platform, or efficiently cut platform and compound decomposition platform and intersect, or erect crossing through arc convex or oblique projection, be formed with the angle that is more than or equal to 90 °, the any one cutting way of above structure, or the formed combination sword of any combination of above cutting way arranges formed combination broach on broaching tool.
A kind of combination broach, comprise the shank of tool and cutterhead, this shank of tool and cutterhead form as one, cutterhead is provided with a plurality of bite pieces or cutting cutter tooth piece integratedly, on each bite piece or cutting cutter tooth piece, face towards cutting direction is cutting face, the rear side in cutting face is rear cutting face, or the face of both sides, He Hou cutting face, cutting face is side cutting face, intersect in Yu Hou cutting face, cutting face, be formed with at least one cutting edge or arc milling sword, the crossing side cutting edge that is formed with in Yu Ce cutting face, cutting face, described combination broach is at various keyway broaches, or various spline broaches, or various straight spline broaches, or various involute spline broaches, or various path centring rectangular spline broaches, or various with side tooth keyway broach, or other various broaching tools, it is characterized in that: on combination broach, integratedly, or connect and carry out with forming as one the setting of following technical scheme, on the cutting face towards direction of rotation, triangular groove shape or dovetail groove shape, or arc triangle groove shape or the trapezoidal groove depression of arc be provided with the bottom of one-level at least or sidepiece, with cutting face or combined cut face be formed with have be greater than 90 ° be less than 180 ° of angles in the bevel of cutting sth. askew, or the bevel of cutting sth. askew in arc, or the bevel of cutting sth. askew in compound, or the bevel of cutting sth. askew in compound arcuate, or combined cut face, or arc combined cut face, or in the bevel of cutting sth. askew, or the bevel of cutting sth. askew in arc, or the bevel of cutting sth. askew in compound, or the bevel of cutting sth. askew in compound arcuate, or combined cut face, or arc combined cut face, decomposing platform with compound location intersects, be formed with the angle that is greater than 30 ° or is less than 120 °, or intersect through cutting face or the combined cut face of arc convex or oblique projection and inner side, or the extension that erects of arc convex or oblique projection, be formed with the compound location decomposition platform that is greater than 30 ° or is less than 120 ° of angles, or compound location is decomposed platform and is more than or equal to 90 ° of angles with cutting face or crossing being formed with of combined cut face of inner side, or triangular groove shape or dovetail groove shape, or the bottom of arc triangle groove shape or arc dovetail groove shape or sidepiece setting in the bevel of cutting sth. askew, or the bevel of cutting sth. askew in arc, or the bevel of cutting sth. askew in compound, or the bevel of cutting sth. askew in compound arcuate, or combined cut face, or arc combined cut face, or arc convex or oblique projection extend to front end, or extend to rear portion, or arc extends, to cutting edge or combined cutting edges, or side cutting edge, or on compound side cutting edge, be formed with oblique sword in interior oblique sword or arc, or oblique sword in compound interior oblique sword or compound arcuate, the recessed sword of side or skew back sword, triangular groove shape or dovetail groove shape, or arc triangle groove shape or the setting of arc dovetail groove shape, or spread configuration in the bevel of cutting sth. askew, or the bevel of cutting sth. askew in arc, or the bevel of cutting sth. askew in compound, or the bevel of cutting sth. askew in compound arcuate, combined cut face, or arc combined cut face is for efficiently cutting platform, triangular groove shape or dovetail groove shape, or arc triangle groove shape or the setting of arc dovetail groove shape or spread configuration cutting edge, or combined cutting edges, or combined cutting edges, or interior oblique sword, or oblique sword in arc, or compound interior oblique sword, or oblique sword in compound arcuate, for efficient minute cutting blade, the outermost platform of efficiently cutting is that cracking resistance is cut platform, outermost efficient minute cutting blade is that cracking resistance is divided cutting blade, or cutting face, or combined cut face, or the face-to-face side of arc combined cut, or on the face of side, be provided with groove below, it is characterized in that: cracking resistance is cut platform or efficiently cut platform and the projection of compound decomposition platform intersection one arranges arc convex or oblique projection, and be formed with the 1 at least stair-stepping ladder sword of one-level or 2 minutes cutting blades, the at least one-level cutting edge of 3 cutting blades at various broaching tools or cutting cutter hub, or side cutting edge, or front cutting edge, arc milling sword, or curved side cutting edge, or cutting edge before arc, or cracking resistance combined cutting edges, or the compound side cutting edge of cracking resistance, or the compound front cutting edge of cracking resistance, or cracking resistance compound arcuate cutting edge, or cracking resistance compound arcuate side cutting edge, or on cutting edge, be provided with at least one recess sword before cracking resistance compound arcuate, 4 or recess sword on overlap at least compound recess sword of one-level cracking resistance, be opening to cutting face, or side cutting face, or rear cutting face, or arc milling face, or curved side cutting face, or cutting face after arc, or combined cut face, or compound side cutting face, or compound rear cutting face, or compound arcuate cutting face, or compound arcuate side cutting face, or after compound arcuate, extend in cutting face, form at least one groove, or the compound groove overlapping on groove, the any one cutting way of above structure, or the formed combination sword of any combination of above cutting way arranges formed combination broach on broaching tool.
Preferably, described combination broach is at various keyway broaches, various spline broaches, various straight spline broaches, various involute spline broaches, various path centring rectangular spline broaches, are provided with at least one recess sword or compound recess sword and are opening and have extended to form at least one groove or compound groove to Huo Hou cutting face, Huo Ce cutting face, cutting face on the various cutting edges with side tooth keyway broach or side cutting edge or compound side cutting edge.
Preferably, described combination broach is at various keyway broaches, various spline broaches, various straight spline broaches, various involute spline broaches, various path centring rectangular spline broaches, are provided with at least one recess sword or compound recess sword and are opening and amplify gradually shape and be distributed on Huo Ce cutting face, Huo Hou cutting face, cutting face and be formed with at least one groove or compound groove on the various side cutting edges with side tooth keyway broach.
Preferably, described combination broach relates to various keyway broaches, various spline broaches, various straight spline broaches, various involute spline broaches, various path centring rectangular spline broaches, various bands side tooth keyway broach and other polyhedron broaching tools.
Beneficial effect:
By triangular groove shape or dovetail groove shape, or arc triangle groove shape or the trapezoidal groove depression of arc be provided with the bottom of one-level at least or sidepiece, with cutting face or combined cut face have be greater than 90 ° be less than 180 ° of angles in the bevel of cutting sth. askew, or the bevel of cutting sth. askew in arc, or the bevel of cutting sth. askew in compound, or the bevel of cutting sth. askew in compound arcuate, be formed with oblique sword in interior oblique sword or arc, or oblique sword in compound interior oblique sword or compound arcuate, stressed inclination to the inside while making to cut, reduce and decomposed the cutting resistance in outside, by the detailed restriction of angle and data, further successfully realized determining of more high-precision numerical value, make the stock-removing efficiency of cutter and reach maximum service life, arc convex or oblique projection have effectively been strengthened again the breaking resistance of cutter, improved efficiency, reduced cost, saved resource.
Accompanying drawing explanation:
Technical scheme of the present invention and advantage will be described in detail in conjunction with the drawings, in this accompanying drawing,
Fig. 1, Fig. 7-Figure 14 are the keyway broach side-looking generalized sections of the combination broach of the first embodiment of the present invention.
Fig. 2, Fig. 7-Figure 14 are that the keyway broach of the combination broach of the first embodiment of the present invention is faced generalized section.
Fig. 3, Fig. 7-Figure 14 are the keyway broach side-looking generalized sections of the combination broach of the second embodiment of the present invention.
Fig. 4, Fig. 7-Figure 14 are that the keyway broach of the combination broach of the second embodiment of the present invention is faced generalized section.
Fig. 5, Fig. 7-Figure 14 are the path centring rectangular spline broach side-looking generalized sections of the combination broach of the 3rd embodiment of the present invention.
Fig. 6, Fig. 7-Figure 14 are that the path centring rectangular spline broach of the combination broach of the 3rd embodiment of the present invention is faced generalized section.
The specific embodiment:
The preferred embodiment of a kind of combination broach of the present invention will be explained in conjunction with the drawings below, in embodiment 1-7, mainly take and there is combined cutting edges or strengthen platform or recess sword or ladder sword describe as example, in the following description, identical parts are used identical symbol and omit its specific description.
Embodiment 1
As Fig. 1 Fig. 2, shown in Fig. 7-Figure 14, the combination broach of the first embodiment of the present invention, compound keyway broach specifically, comprise the shank of tool 1 and cutterhead 2, this shank of tool 1 and cutterhead 2 form as one, cutterhead 2 is provided with a plurality of bite pieces or cutting cutter tooth piece 3 integratedly, on each bite piece or cutting cutter tooth piece 3, face towards cutting direction is cutting face 4, the rear side in cutting face 4 is rear cutting face 5, or the face of cutting face 4 and both sides, rear cutting face is side cutting face 6, intersect with rear cutting face 5 in cutting face 4, be formed with at least one cutting edge 8 or arc milling sword 8, cutting face 4 is intersected and is formed with side cutting edge 9 with side cutting face 6, described combination broach is at various keyway broaches, or various spline broaches, or various straight spline broaches, or various involute spline broaches, or various path centring rectangular spline broaches, or various with side tooth keyway broach, or other various broaching tools, on combination broach, integratedly, or connect and carry out with forming as one the setting of following technical scheme, on the cutting face towards direction of rotation, triangular groove shape 50 or dovetail groove shape 50, or deep-slotted chip breaker fills 50, or arc dovetail groove shape 50 depression be provided with one-level bottom at least or sidepiece, with cutting face or combined cut face have be greater than 90 ° be less than 180 ° of angle β in the bevel 52 of cutting sth. askew, or the bevel 52 of cutting sth. askew in arc, or the bevel 52 of cutting sth. askew in compound, or the bevel 52 of cutting sth. askew in compound arcuate, or combined cut face, or arc combined cut face, or in the bevel 52 of cutting sth. askew, or the bevel 52 of cutting sth. askew in arc, or the bevel 52 of cutting sth. askew in compound, or the bevel 52 of cutting sth. askew in compound arcuate, or cutting face, or arc milling face, through arc convex or oblique protruding 25, triangular groove shape 50 or dovetail groove shape 50, or the setting of arc triangle groove shape 50 or arc dovetail groove shape 50 projections at least one-level and cutting face or combined cut face are greater than 90 ° and are less than 180 ° of angle β, or in the bevel 52 of cutting sth. askew, or the bevel 52 of cutting sth. askew in arc, or the bevel 52 of cutting sth. askew in compound, or the bevel 52 of cutting sth. askew in compound arcuate, or combined cut face 11, or arc combined cut face 11, decomposing platform 10 with compound location intersects, be formed with the angle r that is greater than 30 ° or is less than 120 °, or intersect with cutting face 4 or the combined cut face 11 of inner side through arc convex or oblique protruding 25, or arc convex or oblique protruding 25 extensions that erect, be formed with the compound location decomposition platform 10 that is greater than 30 ° or is less than 120 ° of angle r, or the cutting face 4 of platform 10 and inner side is decomposed in compound location, or crossing being formed with of combined cut face is more than or equal to 90 ° of angle ω, or triangular groove shape 50 or dovetail groove shape 50, or the bottom of arc triangle groove shape 50 or arc dovetail groove shape 50 or sidepiece setting in the bevel 52 of cutting sth. askew, or the bevel 52 of cutting sth. askew in arc, or the bevel 52 of cutting sth. askew in compound, or the bevel 52 of cutting sth. askew in compound arcuate, or combined cut face 54, or arc combined cut face 54, or arc convex or oblique protruding 25 extends to front end, or extend to rear portion, to cutting edge 8, be formed with oblique sword 53 in interior oblique sword 53 or arc, or oblique sword 53 in compound interior oblique sword 53 or compound arcuate, or combined cutting edges 55, the recessed sword of side or skew back sword 21, triangular groove shape 50 or dovetail groove shape 50, or arc triangle groove shape 50 or 50 settings of arc dovetail groove shape, or spread configuration in the bevel 52 of cutting sth. askew, or the bevel 52 of cutting sth. askew in arc, or the bevel 52 of cutting sth. askew in compound, or the bevel 52 of cutting sth. askew in compound arcuate, cutting face 54, 11, 4 or combined cut face 54, 11, 4, arc milling face 54, 11, 4 or arc combined cut face 54, 11, 4 for efficiently cutting platform, triangular groove shape 50 or dovetail groove shape 50, or arc triangle groove shape 50 or arc dovetail groove shape 50 setting or the formed cutting edges 9 of spread configuration, 55, or combined cutting edges 9, 13, or interior oblique sword 53, or oblique sword 53 in arc, or compound interior oblique sword 53, or oblique sword 53 in compound arcuate, for efficient minute cutting blade, the outermost platform 4 of efficiently cutting is cut platform for cracking resistance, outermost efficient minute cutting blade is that cracking resistance is divided cutting blade, triangular groove shape 50 or dovetail groove shape 50, or arc triangle groove shape 50 or arc dovetail groove shape 50 relate to the design of Fig. 7-Figure 14.
On the cutting face 4 or circular cutting face 4 in cutting direction, the at least combined cut face 11 of one-level inner side that is provided with through arc convex or oblique protruding 17 stepped projections, or arc convex or oblique protruding 17 extensions that erect, be formed with the compound location crossing with the combined cut face 11 of inner side and decompose platform 15, cutting face 4 with combined cutting edges 12 arranged in step shapes, 11 for efficiently cutting platform, the cutting edge 8 of arranged in step shape, 12 or side cutting edge 9 be efficient minute cutting blade, the outermost platform 4 of efficiently cutting is cut platform 4 for cracking resistance, outermost efficient minute cutting blade 8, 9 divide cutting blade for cracking resistance, or arc convex or oblique protruding 17 extends or arc extends to front end, or extend on cutting edge 8 to rear portion extension or arc, be formed with the recessed sword of side or skew back sword 21, with stair-stepping cutting edge 8, 12, or the contextual definition that cracking resistance is cut platform 4 or efficiently cut the height h that efficiently cuts platform that platform is adjacent with inner side is, cracking resistance is cut platform or is efficiently cut platform and the height h that efficiently cuts platform of adjacent inner side is that the depth of cut is multiplied by product number, when work piece hardness or viscosity are larger compared with high and cutter, the cutting depth of cut is less, the product number that the depth of cut is taken advantage of is larger, when work piece hardness or viscosity compared with high and cutter hour, the cutting depth of cut is less, the product number that the depth of cut is taken advantage of is larger, when work piece hardness or viscosity are larger compared with low and cutter, the cutting depth of cut is larger, the product number that the depth of cut is taken advantage of is less, when work piece hardness or viscosity compared with low and cutter hour, the cutting depth of cut is larger, the product number that the depth of cut is taken advantage of is less, or the height h that efficiently cuts platform that cracking resistance is cut platform and adjacent inner side is for being more than or equal to 0.01 millimeter, or be less than the bits of discharging after this kind of Tool in Cutting thickness 4/5ths, or be less than the height of the product number of 9 times of the cutting amount of feeding, or the width α that cracking resistance is cut platform is for being more than or equal to 0.6 millimeter, or be less than or equal to 1/3rd of this tool diameter, or on the cutting face 4 of cutting edge and side cutting edge intersection, local depression be set to cracking resistance cutting table 20, inner side forms efficiently cuts platform, with crossing cutting edge 18 or the side cutting edge 19 in rear cutting face 5 or side cutting face 6 be cracking resistance cutting edge, or cracking resistance is cut platform, or efficiently cut platform and compound decomposition platform and intersect, be formed with the angle f that is more than or equal to 90 °, or cracking resistance is cut platform or is efficiently cut platform and the projection of compound decomposition platform 17 intersection one arranges arc convex or oblique protruding 17, and be formed with at least the stair-stepping ladder sword of one-level or minute cutting blade, at the cutting blade of various broaching tools or at least one-level cutting edge 8 of cutting cutter hub 3, or side cutting edge 9, or arc milling sword 8, or on curved side cutting edge 9, be provided with at least one recess sword 16, or on recess sword, overlap at least compound recess sword 16 of one-level cracking resistance, be opening to cutting face 4, or side cutting face 6, or rear cutting face 5, or arc milling face 4, or curved side cutting face 6, or cutting face 5 after arc, or combined cut face 11, or compound side cutting face, or compound rear cutting face, or compound arcuate cutting face, or compound arcuate side cutting face, or after compound arcuate, extend in cutting face, form at least one groove 22, or the compound groove overlapping on groove, the setting of arbitrary cutting way on broaching tool above, or arbitrary cutting way is at cutting edge, or side cutting edge, or on any cutting edge, be combined the combination sword that formed combination broach is set.
According to said structure, due on each cutting blade or cutting cutter hub 3, 4 arc convex or oblique protruding 17 be formed with and efficiently cut platform 11 or compound decomposition platform 15 along cutting face, make former cutting face 4 form very little cracking resistance and cut platform 4, and be formed with compound side cutting edge 13, strengthened the specific heat load of cutting edge 8 and side cutting edge 19, by the angle at cutting edge 8 and side cutting edge 13, cracking resistance cutting table 20 is set and has formed cracking resistance cutting table 20 and cracking resistance cutting edge 18, cracking resistance cutting edge 19, make this milling cutter protect all the time sharp and intensity, therefore improved efficiency, extended service life, by at cutting edge 8, or side cutting edge 19, or compound side cutting edge 13, former cutting edge is decomposed and makes it stressed minimizing and intensity increase, therefore further improved efficiency, further extended service life, make cutting way by the whole stressed a plurality of local pressures that are decomposed into of cutter, strengthen cutting face simultaneously and effectively increased again heat sinking function, extended cutter life and in process, keep high strength always.
Embodiment 2
As Fig. 3 Fig. 4, shown in Fig. 7-Figure 14, the combination broach of the second embodiment of the present invention, on the basis of the first embodiment, the present invention includes handle of a knife 1 and cutterhead 2, this handle of a knife 1 and cutterhead 2 form as one, cutterhead 2 is provided with a plurality of cutting cutter hubs 3 integratedly, the rear side of cutting the cutting face 4 towards cutting direction of cutter hub 3 at each is rear cutting face 5, the face of the sidepiece in cutting face 4 is side cutting face 6, cutting face 4 is intersected and is formed with at least one cutting edge 8 with rear cutting face 5, cutting face 4 is intersected and is formed with at least one side cutting edge 9 with side cutting face 6, the inner side arc convex in cutting face 4 or oblique protruding 17 the setting at least stair-stepping combined cut face of one-level efficiently cut platform 11, and at least the compound side cutting edge of one-level efficiently divides cutting blade 13, 11, cutting face 4 and combined cut face are formed with compound decomposition platform 15, cutting face 4 forms cracking resistance and cuts platform 4, side cutting edge 9 and compound decomposition platform 15 are formed with ladder sword with compound side cutting edge 13, arc convex or oblique protruding 17 intersects and is formed with the recessed sword of side or skew back sword 21 with side cutting face 6, what cracking resistance was cut platform 4 and adjacent inner side efficiently cuts height h between platform 11 for being more than or equal to 0.01 millimeter, or be less than the bits of discharging after this kind of Tool in Cutting thickness 4/5ths, or be less than the height of the product number of 9 times of the cutting amount of feeding, or the width that cracking resistance is cut platform 4 is for being greater than 0.6 millimeter, be less than or equal to 1/3rd of this tool diameter, or cracking resistance cut platform 4 with the height h that efficiently cuts platform 3 of adjacent inner side for being more than or equal to 0.01 millimeter, or be less than the bits of discharging after this kind of Tool in Cutting thickness 4/5ths, or be less than the height of the product number of 9 times of the cutting amount of feeding, or the width α that cracking resistance is cut platform 4 is for being greater than 0.6 millimeter, / 3rd cracking resistances that are less than or equal to this tool diameter are cut platform 4 and the angle of efficiently cutting between platform 11 is more than or equal to the angle f of 75 °, or inner side, cutting face or rear portion, the combined cut face that arranges of projection efficiently cuts platform 11, the corner that the crossing cutting edge forming in difference He Hou cutting face, homonymy cutting face, cutting face and front cutting edge are crossing, part is set to cracking resistance cutting table 20, with the crossing cutting edge in rear cutting face or local front cutting edge be cracking resistance cutting edge 18, side cutting edge 19 also has cracking resistance effect, so be all cracking resistance cutting edge, in cracking resistance, divide and on cutting blade 8, be formed with recess sword 16, cutting face extends to form fluted backward.
According to said structure, due on each cutting blade or cutting cutter hub 3, 4 arc convex or oblique protruding 17 be formed with and efficiently cut platform 11 or compound decomposition platform 15 along cutting face, make former cutting face 4 form very little cracking resistance and cut platform 4, and be formed with compound side cutting edge 13, strengthened the specific heat load of cutting edge 8 and side cutting edge 19, by the angle at cutting edge 8 and side cutting edge 13, cracking resistance cutting table 20 is set and has formed cracking resistance cutting table 20 and cracking resistance cutting edge 18, cracking resistance cutting edge 19, make this milling cutter protect all the time sharp and intensity, therefore improved efficiency, extended service life, by at cutting edge 8, or side cutting edge 19, or compound side cutting edge 13, on recess sword 16 is set, former cutting edge is decomposed and makes it stressed minimizing and intensity increase, therefore further improved efficiency, further extended service life, make cutting way by the whole stressed a plurality of local pressures that are decomposed into of cutter, strengthen cutting face simultaneously and effectively increased again heat sinking function, extended cutter life and in process, keep high strength always.
As Fig. 5 Fig. 6, shown in Fig. 7-Figure 14, the spline combination broach of the 3rd embodiment of the present invention, first---on the basis of two embodiments, the present invention includes handle of a knife 1 and cutterhead 2, this handle of a knife 1 and cutterhead 2 form as one, cutterhead 2 is provided with a plurality of cutting cutter hubs 3 integratedly, the rear side of cutting the cutting face 4 towards cutting direction of cutter hub 3 at each is rear cutting face 5, the face of the sidepiece in cutting face 4 is side cutting face 6, cutting face 4 is intersected and is formed with at least one cutting edge 8 with rear cutting face 5, cutting face 4 is intersected and is formed with at least one side cutting edge 9 with side cutting face 6, the inner side arc convex in cutting face 4 or oblique protruding 17 the setting at least stair-stepping combined cut face of one-level efficiently cut platform 11, and at least the compound side cutting edge of one-level efficiently divides cutting blade 13, 11, cutting face 4 and combined cut face are formed with compound decomposition platform 15, cutting face 4 forms cracking resistance and cuts platform 4, side cutting edge 9 and reinforcement platform 15 are formed with ladder sword with compound side cutting edge 13, what cracking resistance was cut platform 4 and adjacent inner side efficiently cuts height h between platform 11 for being more than or equal to 0.01 millimeter, or be less than the bits of discharging after this kind of Tool in Cutting thickness 4/5ths, or be less than the height of the product number of 9 times of the cutting amount of feeding, or the width that cracking resistance is cut platform 4 is for being greater than 0.6 millimeter, be less than or equal to 1/3rd of this tool diameter, or cracking resistance cut platform 4 with the height h that efficiently cuts platform 3 of adjacent inner side for being more than or equal to 0.01 millimeter, or be less than the bits of discharging after this kind of Tool in Cutting thickness 4/5ths, or be less than the height of the product number of 9 times of the cutting amount of feeding, or the width α that cracking resistance is cut platform 4 is for being greater than 0.6 millimeter, / 3rd cracking resistances that are less than or equal to this tool diameter are cut platform 4 and the angle of efficiently cutting between platform 11 is more than or equal to the angle f of 75 °, or inner side, cutting face or rear portion, the combined cut face that arranges of projection efficiently cuts platform 11, the corner that the crossing cutting edge forming in difference He Hou cutting face, homonymy cutting face, cutting face and front cutting edge are crossing, part is set to cracking resistance cutting table 20, with the crossing cutting edge in rear cutting face or local front cutting edge be cracking resistance cutting edge 18, side cutting edge 19 also has cracking resistance effect, so be all cracking resistance cutting edge.
According to said structure, due on each cutting blade or cutting cutter hub 3, 4 arc convex or oblique protruding 17 be formed with and efficiently cut platform 11 or compound decomposition platform 15 along cutting face, make former cutting face 4 form very little cracking resistance and cut platform 4, and be formed with compound side cutting edge 13, strengthened the specific heat load of cutting edge 8 and side cutting edge 19, by the angle at cutting edge 8 and side cutting edge 13, cracking resistance cutting table 20 is set and has formed cracking resistance cutting table 20 and cracking resistance cutting edge 18, cracking resistance cutting edge 19, make this milling cutter protect all the time sharp and intensity, therefore improved efficiency, extended service life, by at cutting edge 8, or side cutting edge 19, or compound side cutting edge 13, former cutting edge is decomposed and makes it stressed minimizing and intensity increase, therefore further improved efficiency, further extended service life, make cutting way by the whole stressed a plurality of local pressures that are decomposed into of cutter, strengthen cutting face simultaneously and effectively increased again heat sinking function, extended cutter life and in process, keep high strength always.
By the cutting edge of broaching tool or side cutting edge being made to ladder sword as above or the structure of recess sword, cutter scope of the present invention can be used for various keyway broaches, various spline broaches, various straight spline broaches, various involute spline broaches, various bands side tooth keyway broach.
By structure so, on the basis of the technique effect of embodiment 2, on the cutting face at each cutting blade 3, cutting edge 8 is resolved into some little cutting edges, decompose cutting force and reduced cutting resistance, reduced the possibility of broaching tool fracture, and improved operating efficiency, this technology can be applicable in various broaching tools.
By the cutting cutter tooth of broaching tool is made to structure as above, can expand the scope of application of the present invention, improve the stock-removing efficiency of combination broach and increase the service life.
Although the combination broach of the locating hole of take above location is illustrated as example, what but cutter of the present invention also can be used for arc convex on the cutting face of all broaching tools or oblique projection arranges stair-stepping combined cut face or stair-stepping compound rear cutting face, form at least stair-stepping side cutting edge of one-level or compound side cutting edge, on cutting edge or side cutting edge, be provided with recess sword, being opening extends to form as groove to Huo Hou cutting face, Huo Ce cutting face, cutting face, on cutting edge or side cutting edge or compound side cutting edge, be provided with recess sword, be opening and to Huo Hou cutting face, Huo Ce cutting face, cutting face, extend to form the combination broach into the multiple combination of the mode of groove.
Above-described preferred embodiment is illustrative and not restrictive, in the situation that not departing from purport of the present invention and essential characteristic, the present invention can also otherwise implement and specialize, 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 (9)
1. a combination broach, comprise the shank of tool and cutterhead, this shank of tool and cutterhead form as one, cutterhead is provided with a plurality of bite pieces or cutting cutter tooth piece integratedly, on each bite piece or cutting cutter tooth piece, face towards cutting direction is cutting face, the rear side in cutting face is rear cutting face, or the face of both sides, He Hou cutting face, cutting face is side cutting face, intersect in Yu Hou cutting face, cutting face, be formed with at least one cutting edge or arc milling sword, the crossing side cutting edge that is formed with in Yu Ce cutting face, cutting face, described combination broach is at various keyway broaches, or various spline broaches, or various straight spline broaches, or various involute spline broaches, or various path centring rectangular spline broaches, or various with side tooth keyway broach, or other various broaching tools, it is characterized in that: on combination broach, integratedly, or connect and carry out with forming as one the setting of following technical scheme, on the cutting face towards direction of rotation, triangular groove shape or dovetail groove shape, or arc triangle groove shape or the trapezoidal groove depression of arc be provided with the bottom of one-level at least or sidepiece, with cutting face or combined cut face be formed with have be greater than 90 ° be less than 180 ° of angles in the bevel of cutting sth. askew, or the bevel of cutting sth. askew in arc, or the bevel of cutting sth. askew in compound, or the bevel of cutting sth. askew in compound arcuate, or combined cut face, or arc combined cut face, or in the bevel of cutting sth. askew, or the bevel of cutting sth. askew in arc, or the bevel of cutting sth. askew in compound, or the bevel of cutting sth. askew in compound arcuate, or combined cut face, or arc combined cut face, decomposing platform with compound location intersects, be formed with the angle that is greater than 30 ° or is less than 120 °, or intersect through cutting face or the combined cut face of arc convex or oblique projection and inner side, or the extension that erects of arc convex or oblique projection, be formed with the compound location decomposition platform that is greater than 30 ° or is less than 120 ° of angles, or compound location is decomposed platform and is more than or equal to 90 ° of angles with cutting face or crossing being formed with of combined cut face of inner side, or triangular groove shape or dovetail groove shape, or the bottom of arc triangle groove shape or arc dovetail groove shape or sidepiece setting in the bevel of cutting sth. askew, or the bevel of cutting sth. askew in arc, or the bevel of cutting sth. askew in compound, or the bevel of cutting sth. askew in compound arcuate, or combined cut face, or arc combined cut face, or arc convex or oblique projection extend to front end, or extend to rear portion, or arc extends, to cutting edge or combined cutting edges, or side cutting edge, or on compound side cutting edge, be formed with oblique sword in interior oblique sword or arc, or oblique sword in compound interior oblique sword or compound arcuate, the recessed sword of side or skew back sword, or triangular groove shape or dovetail groove shape, or arc triangle groove shape or the setting of arc dovetail groove shape, or spread configuration form in the bevel of cutting sth. askew, or the bevel of cutting sth. askew in arc, or the bevel of cutting sth. askew in compound, or the bevel of cutting sth. askew in compound arcuate, combined cut face, or arc combined cut face is for efficiently cutting platform, triangular groove shape, or dovetail groove shape, or arc triangle groove shape, or arc dovetail groove shape, along cutting edge or side cutting edge, arrange, or compound spread configuration, formed combined cutting edges, or compound side cutting edge, or the cutting edge of spread configuration, or compound arcuate cutting edge, or interior oblique sword, or oblique sword in arc, or compound interior oblique sword, or oblique sword in compound arcuate, for efficient minute cutting blade, the outermost platform of efficiently cutting is that cracking resistance is cut platform, outermost efficient minute cutting blade is that cracking resistance is divided cutting blade.
2. a combination broach, comprise the shank of tool and cutterhead, this shank of tool and cutterhead form as one, cutterhead is provided with a plurality of bite pieces or cutting cutter tooth piece integratedly, on each bite piece or cutting cutter tooth piece, face towards cutting direction is cutting face, the rear side in cutting face is rear cutting face, or the face of both sides, He Hou cutting face, cutting face is side cutting face, intersect in Yu Hou cutting face, cutting face, be formed with at least one cutting edge or arc milling sword, the crossing side cutting edge that is formed with in Yu Ce cutting face, cutting face, described combination broach is at various keyway broaches, or various spline broaches, or various straight spline broaches, or various involute spline broaches, or various path centring rectangular spline broaches, or various with side tooth keyway broach, or other various broaching tools, on combination broach, integratedly, or connect and carry out with forming as one the setting of following technical scheme, on the cutting face towards direction of rotation, triangular groove shape or dovetail groove shape, or arc triangle groove shape or the trapezoidal groove depression of arc be provided with the bottom of one-level at least or sidepiece, with cutting face or combined cut face be formed with have be greater than 90 ° be less than 180 ° of angles in the bevel of cutting sth. askew, or the bevel of cutting sth. askew in arc, or the bevel of cutting sth. askew in compound, or the bevel of cutting sth. askew in compound arcuate, or combined cut face, or arc combined cut face, or in the bevel of cutting sth. askew, or the bevel of cutting sth. askew in arc, or the bevel of cutting sth. askew in compound, or the bevel of cutting sth. askew in compound arcuate, or combined cut face, or arc combined cut face, decomposing platform with compound location intersects, be formed with the angle that is greater than 30 ° or is less than 120 °, or intersect through cutting face or the combined cut face of arc convex or oblique projection and inner side, or the extension that erects of arc convex or oblique projection, be formed with the compound location decomposition platform that is greater than 30 ° or is less than 120 ° of angles, or compound location is decomposed platform and is more than or equal to 90 ° of angles with cutting face or crossing being formed with of combined cut face of inner side, or triangular groove shape or dovetail groove shape, or the bottom of arc triangle groove shape or arc dovetail groove shape or sidepiece setting in the bevel of cutting sth. askew, or the bevel of cutting sth. askew in arc, or the bevel of cutting sth. askew in compound, or the bevel of cutting sth. askew in compound arcuate, or combined cut face, or arc combined cut face, or arc convex or oblique projection extend to front end, or extend to rear portion, or arc extends, to cutting edge or combined cutting edges, or side cutting edge, or on compound side cutting edge, be formed with oblique sword in interior oblique sword or arc, or oblique sword in compound interior oblique sword or compound arcuate, the recessed sword of side or skew back sword, or triangular groove shape or dovetail groove shape, or arc triangle groove shape or the setting of arc dovetail groove shape, or spread configuration form in the bevel of cutting sth. askew, or the bevel of cutting sth. askew in arc, or the bevel of cutting sth. askew in compound, or the bevel of cutting sth. askew in compound arcuate, combined cut face, or arc combined cut face is for efficiently cutting platform, triangular groove shape, or dovetail groove shape, or arc triangle groove shape, or arc dovetail groove shape, along cutting edge or side cutting edge, arrange, or compound spread configuration, formed combined cutting edges, or compound side cutting edge, or the cutting edge of spread configuration, or compound arcuate cutting edge, or interior oblique sword, or oblique sword in arc, or compound interior oblique sword, or oblique sword in compound arcuate, for efficient minute cutting blade, the outermost platform of efficiently cutting is that cracking resistance is cut platform, outermost efficient minute cutting blade is that cracking resistance is divided cutting blade, it is characterized in that: inner side, cutting face or rear portion, the combined cut face that arranges of projection, the corner that the cutting edge intersect forming with rear cutting face and side cutting edge are crossing, part is set to cracking resistance cutting table, and be formed with respectively and efficiently cut platform, with the crossing cutting edge in rear cutting face or local side cutting edge be cracking resistance cutting edge, extend and rear cutting face forward, or side cutting face, or intersect in the cutting face on end face, be formed with the cutting face of angle, what on the cutting face of Gai corner, cave in arranges arranged in step shape, outermost cutting face or cutting face are cracking resistance cutting table, with side cutting face, outside, or side cutting face, or intersect in rear cutting face, be formed with the cracking resistance cutting edge of both sides, or cracking resistance is cut platform, or efficiently cut platform and compound decomposition platform and intersect, or erect crossing through arc convex or oblique projection, be formed with the angle that is more than or equal to 90 °, the any one cutting way of above structure, or the formed combination sword of any combination of above cutting way arranges formed combination broach on broaching tool.
3. a combination broach, comprise the shank of tool and cutterhead, this shank of tool and cutterhead form as one, cutterhead is provided with a plurality of bite pieces or cutting cutter tooth piece integratedly, on each bite piece or cutting cutter tooth piece, face towards cutting direction is cutting face, the rear side in cutting face is rear cutting face, or the face of both sides, He Hou cutting face, cutting face is side cutting face, intersect in Yu Hou cutting face, cutting face, be formed with at least one cutting edge or arc milling sword, the crossing side cutting edge that is formed with in Yu Ce cutting face, cutting face, described combination broach is at various keyway broaches, or various spline broaches, or various straight spline broaches, or various involute spline broaches, or various path centring rectangular spline broaches, or various with side tooth keyway broach, or other various broaching tools, it is characterized in that: on combination broach, integratedly, or connect and carry out with forming as one the setting of following technical scheme, on the cutting face towards direction of rotation, triangular groove shape or dovetail groove shape, or arc triangle groove shape or the trapezoidal groove depression of arc be provided with the bottom of one-level at least or sidepiece, with cutting face or combined cut face be formed with have be greater than 90 ° be less than 180 ° of angles in the bevel of cutting sth. askew, or the bevel of cutting sth. askew in arc, or the bevel of cutting sth. askew in compound, or the bevel of cutting sth. askew in compound arcuate, or combined cut face, or arc combined cut face, or in the bevel of cutting sth. askew, or the bevel of cutting sth. askew in arc, or the bevel of cutting sth. askew in compound, or the bevel of cutting sth. askew in compound arcuate, or combined cut face, or arc combined cut face, decomposing platform with compound location intersects, be formed with the angle that is greater than 30 ° or is less than 120 °, or intersect through cutting face or the combined cut face of arc convex or oblique projection and inner side, or the extension that erects of arc convex or oblique projection, be formed with the compound location decomposition platform that is greater than 30 ° or is less than 120 ° of angles, or compound location is decomposed platform and is more than or equal to 90 ° of angles with cutting face or crossing being formed with of combined cut face of inner side, or triangular groove shape or dovetail groove shape, or the bottom of arc triangle groove shape or arc dovetail groove shape or sidepiece setting in the bevel of cutting sth. askew, or the bevel of cutting sth. askew in arc, or the bevel of cutting sth. askew in compound, or the bevel of cutting sth. askew in compound arcuate, or combined cut face, or arc combined cut face, or arc convex or oblique projection extend to front end, or extend to rear portion, or arc extends, to cutting edge or combined cutting edges, or side cutting edge, or on compound side cutting edge, be formed with oblique sword in interior oblique sword or arc, or oblique sword in compound interior oblique sword or compound arcuate, the recessed sword of side or skew back sword, or triangular groove shape or dovetail groove shape, or arc triangle groove shape or the setting of arc dovetail groove shape, or spread configuration form in the bevel of cutting sth. askew, or the bevel of cutting sth. askew in arc, or the bevel of cutting sth. askew in compound, or the bevel of cutting sth. askew in compound arcuate, combined cut face, or arc combined cut face is for efficiently cutting platform, triangular groove shape, or dovetail groove shape, or arc triangle groove shape, or arc dovetail groove shape, along cutting edge or side cutting edge, arrange, or compound spread configuration, formed combined cutting edges, or compound side cutting edge, or the cutting edge of spread configuration, or compound arcuate cutting edge, or interior oblique sword, or oblique sword in arc, or compound interior oblique sword, or oblique sword in compound arcuate, for efficient minute cutting blade, the outermost platform of efficiently cutting is that cracking resistance is cut platform, outermost efficient minute cutting blade is that cracking resistance is divided cutting blade, it is characterized in that: cracking resistance is cut platform or efficiently cut platform and the projection of compound decomposition platform intersection one arranges arc convex or oblique projection, and be formed with the 1 at least stair-stepping ladder sword of one-level or 2 minutes cutting blades, the at least one-level cutting edge of 3 cutting blades at various broaching tools or cutting cutter hub, or side cutting edge, or front cutting edge, arc milling sword, or curved side cutting edge, or cutting edge before arc, or cracking resistance combined cutting edges, or the compound side cutting edge of cracking resistance, or the compound front cutting edge of cracking resistance, or cracking resistance compound arcuate cutting edge, or cracking resistance compound arcuate side cutting edge, or on cutting edge, be provided with at least one recess sword before cracking resistance compound arcuate, 4 or recess sword on overlap at least compound recess sword of one-level cracking resistance, be opening to cutting face, or side cutting face, or rear cutting face, or arc milling face, or curved side cutting face, or cutting face after arc, or combined cut face, or compound side cutting face, or compound rear cutting face, or compound arcuate cutting face, or compound arcuate side cutting face, or after compound arcuate, extend in cutting face, form at least one groove, or the compound groove overlapping on groove, the any one cutting way of above structure, or the formed combination sword of any combination of above cutting way arranges formed combination broach on broaching tool.
4. the combination broach as described in as arbitrary in claim 1-3, it is characterized in that, described combination broach is at various keyway broaches, or various spline broaches, or various path centring rectangular spline broaches, or various straight spline broaches, or various involute spline broaches, or on various cutting edges or side cutting edge with side tooth keyway broach, be provided with at least one recess sword or compound recess sword, be that opening extends back or amplify gradually shape and extend, be distributed in cutting face, or combined cut face, or rear cutting face, or on side cutting face, be formed with at least one groove or compound groove.
5. the combination broach as described in as arbitrary in claim 1-3, it is characterized in that, described combination broach is at various keyway broaches, or various spline broaches, or various straight spline broaches, or various involute spline broach, or various path centring rectangular spline broach, or various with side tooth keyway broach, or on other various broaching tools, be connected with carbide cutting cutter piece or carbide cutting cutter tooth piece.
6. the combination broach as described in as arbitrary in claim 1-3, it is characterized in that, on cutting face each cutting cutter tooth one of described combination broach or combination or seam polyhedron shape cutting cutter tooth together, be provided with stair-stepping combined cut face and compound rear cutting face or compound side cutting face, and be formed with the ladder sword of complex or the combination broach of minute cutting blade or recess sword.
7. combination broach as described in as arbitrary in claim 1-3, is characterized in that the broaching tool that compound sword is set of arc convex or oblique projection on the cutting face of the cutting cutter tooth of described combination broach.
8. combination broach as described in as arbitrary in claim 1-3, it is characterized in that, on the cutting edge of described combination broach or arc milling sword or side cutting edge, there is recess sword, be opening to cutting face, or arc milling face, or side cutting face, or rear cutting face, or combined cut face, or compound arcuate cutting face, or compound rear cutting face, or extended to form at least one groove on compound side cutting face.
9. the combination broach as described in as arbitrary in claim 1-3, it is characterized in that, described combination broach is at various keyway broaches, various spline broaches, various straight spline broaches, various involute spline broaches, various path centring rectangular spline broaches, on the various cutting edges with side tooth keyway broach or side cutting edge or compound side cutting edge, be provided with at least stair-stepping combined cutting edges of one-level and at least compound side cutting edge of one-level or arc milling sword, the stair-stepping table top of at least one-level forming on cutting face or arc milling face or combined cut face or compound arcuate cutting face is for strengthening platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210394244.3A CN103706872A (en) | 2012-10-01 | 2012-10-01 | Combined broach |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210394244.3A CN103706872A (en) | 2012-10-01 | 2012-10-01 | Combined broach |
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| CN103706872A true CN103706872A (en) | 2014-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210394244.3A Pending CN103706872A (en) | 2012-10-01 | 2012-10-01 | Combined broach |
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| CN108262523A (en) * | 2016-12-30 | 2018-07-10 | 李仕清 | A kind of broaching tool |
| CN109909360A (en) * | 2019-03-22 | 2019-06-21 | 东莞市瑞辉机械制造有限公司 | A kind of cutter with arcuation blade |
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| CN108262523A (en) * | 2016-12-30 | 2018-07-10 | 李仕清 | A kind of broaching tool |
| CN109909360A (en) * | 2019-03-22 | 2019-06-21 | 东莞市瑞辉机械制造有限公司 | A kind of cutter with arcuation blade |
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Application publication date: 20140409 |
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