CN204524362U - Composite hole machined combination cutting drill milling chamfering coated cutting tool - Google Patents
Composite hole machined combination cutting drill milling chamfering coated cutting tool Download PDFInfo
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- CN204524362U CN204524362U CN201520136653.2U CN201520136653U CN204524362U CN 204524362 U CN204524362 U CN 204524362U CN 201520136653 U CN201520136653 U CN 201520136653U CN 204524362 U CN204524362 U CN 204524362U
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Abstract
The utility model provides a kind of composite hole machined combination cutting drill milling chamfering coated cutting tool, it has a pivot axis, it comprises shank, the cutter head being connected to the neck on described shank one end and being connected on an end of described neck, the diameter of described neck is less than the diameter of described shank, described cutter head comprises two cutting portions rotational symmetric relative to described pivot axis, cutting portion described in each comprises the end sword being positioned at described cutter head top, all swords and transition are connected to the transitional edges on described end sword and described Zhou Ren, two described Zhou Ren of two described cutting portions are positioned on the same face of cylinder, described transitional edges by the face of cylinder at two described all sword places gradually towards the inside convergent in end of described end sword.The surface of cutter head scribbles one deck diamond coatings, due to particular edge structure and the diamond coatings of cutter, not easily produce layering when machining composite material, tear, burr, wire drawing, collapse the defects such as block, and improve cutter life.
Description
Technical field
The utility model belongs to industrial knife technical field, particularly relates to a kind of composite hole machined combination cutting drill milling chamfering coated cutting tool.
Background technology
At present, composite obtains at space industry because of its excellent performance and applies widely, and its component quality is light, specific stiffness is high, belong to difficult-to-machine material, in process, composite easily produces layering, tears, burr, wire drawing, collapse the defects such as block, the size Control in hole is more difficult, add man-hour temperature more than 250 DEG C, very easily occur material softening, the problems such as cutter blocking, and cutter very easily weares and teares in process, cutter life is very low.
Utility model content
The purpose of this utility model is to provide a kind of composite hole machined to combine cutting drill milling chamfering coated cutting tool, be intended to solve that existing cutter easily produces layering, tears in machining composite material process, burr, wire drawing, collapse the defects such as block, meanwhile, solving existing cutter adding very easily producing heating blocking, problem that cutter life is low man-hour.
The utility model realizes like this, a kind of composite hole machined combination cutting drill milling chamfering coated cutting tool, it has a pivot axis, described composite hole machined combination cutting drill milling chamfering coated cutting tool comprises shank, the cutter head being connected to the neck on described shank one end and being connected on an end of described neck, the diameter of described neck is less than the diameter of described shank, described cutter head comprises two cutting portions rotational symmetric relative to described pivot axis, cutting portion described in each comprises the end sword being positioned at described cutter head top, all swords and transition are connected to the transitional edges on described end sword and described Zhou Ren, two described Zhou Ren of two described cutting portions are positioned on the same face of cylinder, described transitional edges by the face of cylinder at two described all sword places gradually towards the inside convergent in end of described end sword, the surface of the described cutter head of described cutter scribbles one deck diamond coatings.
Further, described transitional edges comprises and is connected to the first Circular Nose Cutting Edge between described end sword and described Zhou Ren and the second Circular Nose Cutting Edge successively; One end of described first Circular Nose Cutting Edge is connected on described end sword, and the other end is connected on described second Circular Nose Cutting Edge; One end of described second Circular Nose Cutting Edge is connected on described first Circular Nose Cutting Edge, the other end is connected on described Zhou Ren, described first Circular Nose Cutting Edge and described end sword tangent, described second Circular Nose Cutting Edge and described all swords tangent, described first Circular Nose Cutting Edge and described second Circular Nose Cutting Edge tangent.
Further, the diameter of described first Circular Nose Cutting Edge is less than the diameter of described second Circular Nose Cutting Edge.
Further, cutting portion described in each also comprises the transition part be formed between described neck and described cutter head, and this transition part puts the first edge on a knife or a pair of scissors and forms the chamfering blades of anti-chamfering function, described chamfering blades is connected on described Zhou Ren.
Further, the junction between two described end swords is formed with escape.
Further, hold described in each sword open relief angle formed end sword after knife face, described in each, cutting portion has chip area, and described chip area is connected with knife face after described end sword.
Further, described end cutlery has intilted cutting edge inclination.
Further, described shank, described neck and described cutter head are processed by the same cylinder body of rod, and the face of cylinder diameter that two described all tooth shapes of two described cutting portions become is identical with the diameter of described shank.
The composite hole machined combination cutting drill milling chamfering coated cutting tool that the utility model provides is connected by transitional edges with between Zhou Ren at end sword, and transitional edges by the face of cylinder at two described all sword places gradually towards the inside convergent in end of described end sword, make cutter in working angles, the cutting of Zhou Ren is transitted to gradually by the cutting of end sword, and transitional edges also plays the function of cutting, thus, end sword, transitional edges and Zhou Ren constitute a complete cutting edge, cutting force is steadily increased progressively, not easily layering is produced during machining composite material, tear, burr, wire drawing, collapse the defects such as block, and improve cutter life.Simultaneously, the surface coating of the cutter head of cutter, coating is diamond coatings, it has less coefficient of friction, less cutting force and function consumption is produced when cutting, and less frictional heat and excellent anti-chip knurl, make cutter when machining composite material, improve the crudy in hole, and greatly improve cutting-tool's used life.
Accompanying drawing explanation
Fig. 1 is the planar structure view of the composite hole machined combination cutting drill milling chamfering coated cutting tool that the utility model embodiment provides.
Fig. 2 is the partial enlarged drawing of the composite hole machined combination cutting drill milling chamfering coated cutting tool of Fig. 1.
Fig. 3 is the three-dimensional structure diagram of the composite hole machined combination cutting drill milling chamfering coated cutting tool of Fig. 1.
Fig. 4 is the plan structure figure of the cutter head of the composite hole machined combination cutting drill milling chamfering coated cutting tool of Fig. 2.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Please refer to Fig. 1 to Fig. 4, the composite hole machined combination cutting drill milling chamfering coated cutting tool 100 that the utility model embodiment provides has a pivot axis a, described composite hole machined combination cutting drill milling chamfering coated cutting tool 100 comprises shank 11, the cutter head 10 being connected to the neck 6 on described shank 11 1 end and being connected on an end of described neck 6, the diameter of described neck 6 is less than the diameter of described shank 11, described cutter head 10 comprises relative to rotational symmetric two cutting portions 20 of described pivot axis a, cutting portion 20 described in each comprises the end sword 21 being positioned at described cutter head 10 top, all swords 4 and transition are connected to described end sword 21 and the transitional edges 30 on described all swords 4, two described all swords 4 of two described cutting portions 20 are positioned on the same face of cylinder, described transitional edges 30 by the face of cylinder at two described all sword 4 places gradually towards the inside convergent in end of described end sword 21, the surface of the described cutter head 10 of described cutter 100 scribbles one deck diamond coatings.
The composite hole machined combination cutting drill milling chamfering coated cutting tool 100 that the utility model provides is connected by transitional edges 30 with between all swords 4 at end sword 21, and transitional edges 30 by the face of cylinder at two described all sword 4 places gradually towards the inside convergent in end of described end sword 21, make cutter 100 in working angles, the cutting of all swords 4 is transitted to gradually by the cutting of end sword 21, and transitional edges 30 also plays the function of cutting, thus, end sword 21, transitional edges 30 and all swords 4 constitute a complete cutting edge 9, cutting force is steadily increased progressively, not easily layering is produced during machining composite material, tear, burr, wire drawing, collapse the defects such as block, and improve cutter 100 life-span, simultaneously, the surface coating of the cutter head 10 of cutter 100, coating is diamond coatings, it has less coefficient of friction, less cutting force and function consumption is produced when cutting, and less frictional heat and excellent anti-chip knurl, make cutter when machining composite material, improve the crudy in hole, and greatly improve cutting-tool's used life.
Further, described transitional edges 30 comprises the first Circular Nose Cutting Edge 2 and the second Circular Nose Cutting Edge 3 be connected to successively between described end sword 21 and described all swords 4; One end of described first Circular Nose Cutting Edge 2 is connected on described end sword 21, and the other end is connected on described second Circular Nose Cutting Edge 3; One end of described second Circular Nose Cutting Edge 3 is connected on described first Circular Nose Cutting Edge 2, the other end is connected on described all swords 4, described first Circular Nose Cutting Edge 2 is tangent with described end sword 21, and described second Circular Nose Cutting Edge 3 is tangent with described all swords 4, described first Circular Nose Cutting Edge 2 and described second Circular Nose Cutting Edge 3 tangent.By transitional edges 30 is adopted bicircular arcs structure, respectively with end sword 21 and all swords 4 tangent, cutting force is steadily increased progressively.
Further, the diameter of described first Circular Nose Cutting Edge 2 is less than the diameter of described second Circular Nose Cutting Edge 3.
Further, cutting portion 20 described in each also comprises the transition part be formed between described neck 6 and described cutter head 10, this transition part puts the first edge on a knife or a pair of scissors and forms the chamfering blades 5 of anti-chamfering function, and described chamfering blades 5 is connected on described all swords 4.The existence of chamfering blades 5, realizes going out the anti-chamfering function of the edge of a knife, can process out the edge of a knife and produce layering, tear, burr, wire drawing, collapse the defects such as block during machining composite material.Described chamfering blades 5 to be put the first edge on a knife or a pair of scissors with the transition portion of neck 6 by all sword 4 and is formed.
Further, the junction between two described end swords 21 is formed with escape 24.Vertical range between two end swords 21 is twolip eccentric throw H, and in the present embodiment, two end swords 21 be arranged in parallel, and this twolip eccentricity range is 0.05-0.09mm.
Further, hold described in each sword 21 open relief angle formed end sword after knife face 22, described in each, cutting portion 20 has chip area 23, and described chip area 23 is connected with knife face 22 after described end sword.
Further, described end sword 21 has intilted cutting edge inclination 1.In the present embodiment, cutting edge inclination 1 is 7 degree, and in other embodiments, cutting edge inclination 1 can be selected arbitrarily between 9 degree at 5 degree.
Further, described shank 11, described neck 6 and described cutter head 10 are processed by the same cylinder body of rod, the face of cylinder diameter that two described all swords 4 of two described cutting portions 20 are formed is identical with the diameter of described shank 11, and all swords 4 offer to form in the peripheral surface of the cylinder body of rod.Described neck 6 is connected with shank 11 by transition cone 7.
Composite hole machined combination cutting drill milling chamfering coated cutting tool 100 of the present utility model can use one cutter is processed the hole of different size, different shaped jet holes, as circular hole, elliptical aperture, window opening etc. efficiently, in high quality.
In the utility model, two cutting portions 20 are relative to described pivot axis a Rotational Symmetry, and after all swords 4 on two cutting portions 20, transitional edges 30, end sword 21, end sword, knife face 22, chip area 23, chamfering blades 5 are all relative to rotary middle spindle line a Rotational Symmetry.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (8)
1. a composite hole machined combination cutting drill milling chamfering coated cutting tool, it has a pivot axis, described composite hole machined combination cutting drill milling chamfering coated cutting tool comprises shank, the cutter head being connected to the neck on described shank one end and being connected on an end of described neck, the diameter of described neck is less than the diameter of described shank, it is characterized in that: described cutter head comprises two cutting portions rotational symmetric relative to described pivot axis, cutting portion described in each comprises the end sword being positioned at described cutter head top, all swords and transition are connected to the transitional edges on described end sword and described Zhou Ren, two described Zhou Ren of two described cutting portions are positioned on the same face of cylinder, described transitional edges by the face of cylinder at two described all sword places gradually towards the inside convergent in end of described end sword, the surface of the described cutter head of described cutter scribbles one deck diamond coatings.
2. composite hole machined combination cutting drill milling chamfering coated cutting tool as claimed in claim 1, is characterized in that: described transitional edges comprises and is connected to the first Circular Nose Cutting Edge between described end sword and described Zhou Ren and the second Circular Nose Cutting Edge successively; One end of described first Circular Nose Cutting Edge is connected on described end sword, and the other end is connected on described second Circular Nose Cutting Edge; One end of described second Circular Nose Cutting Edge is connected on described first Circular Nose Cutting Edge, the other end is connected on described Zhou Ren, described first Circular Nose Cutting Edge and described end sword tangent, described second Circular Nose Cutting Edge and described all swords tangent, described first Circular Nose Cutting Edge and described second Circular Nose Cutting Edge tangent.
3. composite hole machined combination cutting drill milling chamfering coated cutting tool as claimed in claim 2, is characterized in that: the diameter of described first Circular Nose Cutting Edge is less than the diameter of described second Circular Nose Cutting Edge.
4. composite hole machined combination cutting drill milling chamfering coated cutting tool as claimed in claim 1, it is characterized in that: cutting portion described in each also comprises the transition part be formed between described neck and described cutter head, this transition part puts the first edge on a knife or a pair of scissors and forms the chamfering blades of anti-chamfering function, described chamfering blades is connected on described Zhou Ren.
5. composite hole machined combination cutting drill milling chamfering coated cutting tool as claimed in claim 1, is characterized in that: the junction between two described end swords is formed with escape.
6. composite hole machined combination cutting drill milling chamfering coated cutting tool as claimed in claim 1, it is characterized in that: hold described in each sword open relief angle formed end sword after knife face, described in each, cutting portion has chip area, and described chip area is connected with knife face after described end sword.
7. composite hole machined combination cutting drill milling chamfering coated cutting tool as claimed in claim 1, is characterized in that: described end cutlery has intilted cutting edge inclination.
8. composite hole machined combination cutting drill milling chamfering coated cutting tool as claimed in claim 1, it is characterized in that: described shank, described neck and described cutter head are processed by the same cylinder body of rod, the face of cylinder diameter that two described all tooth shapes of two described cutting portions become is identical with the diameter of described shank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520136653.2U CN204524362U (en) | 2015-03-10 | 2015-03-10 | Composite hole machined combination cutting drill milling chamfering coated cutting tool |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520136653.2U CN204524362U (en) | 2015-03-10 | 2015-03-10 | Composite hole machined combination cutting drill milling chamfering coated cutting tool |
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| CN204524362U true CN204524362U (en) | 2015-08-05 |
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| CN201520136653.2U Active CN204524362U (en) | 2015-03-10 | 2015-03-10 | Composite hole machined combination cutting drill milling chamfering coated cutting tool |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108582320A (en) * | 2018-07-16 | 2018-09-28 | 明珠家具股份有限公司 | Sand limit cutter and sand limit machine |
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2015
- 2015-03-10 CN CN201520136653.2U patent/CN204524362U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108582320A (en) * | 2018-07-16 | 2018-09-28 | 明珠家具股份有限公司 | Sand limit cutter and sand limit machine |
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