CN108943433A - A kind of machining tool - Google Patents
A kind of machining tool Download PDFInfo
- Publication number
- CN108943433A CN108943433A CN201811116413.0A CN201811116413A CN108943433A CN 108943433 A CN108943433 A CN 108943433A CN 201811116413 A CN201811116413 A CN 201811116413A CN 108943433 A CN108943433 A CN 108943433A
- Authority
- CN
- China
- Prior art keywords
- polycrystalline diamond
- machining tool
- cutting edge
- layer
- cutter head
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
- B28D1/18—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by milling, e.g. channelling by means of milling tools
- B28D1/186—Tools therefor, e.g. having exchangeable cutter bits
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/28—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass cutting tools
- B23P15/34—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass cutting tools milling cutters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D18/00—Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D7/00—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting otherwise than only by their periphery, e.g. by the front face; Bushings or mountings therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D7/00—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting otherwise than only by their periphery, e.g. by the front face; Bushings or mountings therefor
- B24D7/18—Wheels of special form
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Mining & Mineral Resources (AREA)
- Polishing Bodies And Polishing Tools (AREA)
Abstract
The invention discloses a kind of machining tools, including polycrystalline diamond cutter head and the knife handle being connect with the polycrystalline diamond cutter head, the described one end of polycrystalline diamond cutter head far from the knife handle is evenly distributed with 56~70 polycrystalline diamond cutting edges in a ring, forms chip space between adjacent polycrystalline diamond cutting edge.Machining tool wearability of the invention is good, and the service life is long, and for the more efficient of work pieces process, process time is shorter, and the product size stability processed with the machining tool is good, reduces detection frequency, and rejection rate is low.
Description
Technical field
The present invention relates to cutting-tool engineering fields, in particular to a kind of machining tool.
Background technique
Diamond cutter have extreme hardness and wearability, high heat conductance, low thermal coefficient of expansion, low-friction coefficient, with it is non-
The features such as ferrous metal affinity is small makes it obtain very high machining accuracy and processing efficiency in high-speed cutting.Diamond cutter
Processing characteristics be to be determined by the crystal structure of diamond, in diamond crystal, each carbon atom is adjacent with four
Carbon atom forms covalent bond, is spatially in positive tetrahedron structure, binding force is high between the carbon atom of this structure, macroscopically
Show high hardness.
Currently, diamond cutter mainly has single-crystal diamond (MCD) cutter, polycrystalline diamond (PCD) cutter and diamond
Coated cutting tool.Due to the characteristic of diamond lattic structure, the directionality of performance is very strong, and single-crystal diamond is easily along its cleavage facial cleft；
Polycrystalline diamond is formed by the different fine diamond of orientation is grained sintered, is shown as isotropy, is not easy along its cleavage facial cleft；
Diamond-coated tools also can get isotropic diamond coatings, so being not easy along its cleavage by controlling depositing operation
Facial cleft.
Polycrystal diamond cutter compares with diamond-coated tools, and there are diamond coatings and cement carbide substrate by the latter
Binding force is weak, between coating and substrate difference of thermal expansion coefficients it is larger and the problems such as generate internal stress, diamond-coated tools are in height
Disbonding easily occurs when fast milling, leads to coating failure.Existing polycrystal diamond cutter has adhesive due to being added, hard
Degree and wearability are lower than diamond-coated tools, but the serious binding force problem of diamond-coated tools is not present in it, but exists
The problem of more poly- machining tool of sword number is difficult to cannot achieve the demand of high-precision and long-life.It is directed at present
The report of the poly- machining tool of sword number more (sword number is more than or equal to 10) is less.
Summary of the invention
In view of this, a kind of machining tool provided by the invention, preferably overcomes above-mentioned of the existing technology
Problem and defect, which uses polycrystalline diamond layer, and polycrystalline diamond layer includes cutter body and in a ring
56~70 polycrystalline diamond cutting edges being evenly distributed in cutter body, the row of being formed between adjacent polycrystalline diamond cutting edge
It considers slot to be worth doing, meets in process the needs of to multiple-cutting-edge machining tool, and the machining tool wearability is good, the service life is long,
For the more efficient of work pieces process, process time is shorter, and the product size stability processed with the machining tool is good,
Detection frequency is reduced, and rejection rate is low.
Specifically, the invention proposes technical solutions in detail below:
A kind of machining tool, including polycrystalline diamond cutter head and the knife handle being connect with the polycrystalline diamond cutter head,
The described one end of polycrystalline diamond cutter head far from the knife handle is evenly distributed with 56~70 polycrystalline diamond cutting edges in a ring,
Chip space is formed between adjacent polycrystalline diamond cutting edge.
As a further improvement of the above technical scheme, the polycrystalline diamond cutter head includes basal layer and polycrystalline diamond
Layer, one end of basal layer are connect with knife handle, and the other end of basal layer is fixedly connected with polycrystalline diamond layer；Described 56~70 poly-
Diamond cutting edge is evenly distributed on the one end of the polycrystalline diamond layer far from the basal layer in a ring.
As a further improvement of the above technical scheme, the basal layer and the knife handle are all made of the conjunction of tungsten carbide-base hard
Golden material.
As a further improvement of the above technical scheme, the polycrystalline diamond layer has end face and connect with the end face
Side, annular intersection of 56~70 polycrystalline diamond cutting edges along the end face and the side be uniformly distributed, institute
It states 56~70 polycrystalline diamond cutting edges and extends to the end face from the side.
As a further improvement of the above technical scheme, setting is fluted among the end face of the polycrystalline diamond layer.
As a further improvement of the above technical scheme, the polycrystalline diamond cutter head and the knife handle use vacuum welding
Mode connect；56~70 polycrystalline diamond cutting edges are integrally attached on the polycrystalline diamond layer.
As a further improvement of the above technical scheme, the helical angle of each polycrystalline diamond cutting edge is
45~65 °.
As a further improvement of the above technical scheme, the tread of each polycrystalline diamond cutting edge is 0.03-
0.1mm；The sword length of each polycrystalline diamond cutting edge is 1~3mm.
As a further improvement of the above technical scheme, the depth of the chip space is 0.06~0.15mm.
As a further improvement of the above technical scheme, the polycrystalline diamond cutting edge surface roughness Ra be 0.1~
0.4μm。
As a further improvement of the above technical scheme, 56~70 polycrystalline diamond cutting edges are uniformly annularly distributed in institute
State the opening periphery of groove.
Compared with prior art, a kind of beneficial effect of machining tool of the invention is:
(1) the machining tool of the invention machining tool uses polycrystalline diamond layer, and polycrystalline diamond layer
56~70 polycrystalline diamond cutting edges being evenly distributed in cutter body including cutter body and in a ring, adjacent plycrystalline diamond gold
Chip space is formed between hard rock cutting edge, meets in process the needs of to multiple-cutting-edge machining tool, and the machining
Cutter has that wearability is good, long service life, is at least one times of the service life of weld tabs pcd profile cutter, is used for the effect of work pieces process
Rate is higher, and process time is shorter, and the product size stability processed with the machining tool is good, reduces detection frequency, and
Rejection rate is low.
(2) further, the basal layer of polycrystalline diamond cutter head and knife handle are all made of in machining tool of the invention
Tungsten carbide base carbide alloy material, and the cutter body of polycrystalline diamond layer is integrated with 56~70 polycrystalline diamond cutting edges
Connection, the mill of the machining tool made is more preferable, and the service life is longer.
(3) further, machining tool of the invention is recessed by being provided among the end face of polycrystalline diamond layer
Slot avoids the workpiece such as the end face of polycrystalline diamond layer and glass material from contacting, and produces when to work pieces process such as ceramics or glass materials
Raw machining interference generates friction etc. to workpiece surfaces such as ceramics or glass materials, is located at convenient for each polycrystalline diamond cutting edge poly-
The part of the end face of diamond layer can more preferably to workpiece such as glass materials machining.
In conclusion the structure that the present invention is special, has the advantages that above-mentioned many and practical value, and in similar product
In there are no similar method and publish or use and really belong to innovation, produce handy and practical effect, more existing skill
Art has effects that the multinomial of enhancement, thus more suitable for practical, and there is extensive industrial value.
To enable the above objects, features and advantages of the present invention to be clearer and more comprehensible, preferred embodiment is cited below particularly, and cooperate
Appended attached drawing, is described in detail below.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is a kind of structural schematic diagram of machining tool of the present invention；
Fig. 2 is a kind of structural schematic diagram of polycrystalline diamond cutter head of the present invention；
Fig. 3 is the partial enlarged view of A in Fig. 2；
Fig. 4 is the partial enlarged view of B in Fig. 3；
Fig. 5 is the partial enlarged view of C in Fig. 3.
Drawing reference numeral explanation:
1 machining tool
100 polycrystalline diamond cutter heads
110 basal layers
120 polycrystalline diamond layers
121 polycrystalline diamond cutting edges
122 chip spaces
123 grooves
200 knife handles
Specific embodiment
To facilitate the understanding of the present invention, machining tool is described more fully below with reference to relevant drawings.
The embodiment of machining tool is given in attached drawing.But machining tool can be realized in many different forms,
It is not limited to the examples described herein.On the contrary, purpose of providing these embodiments is makes public affairs to machining tool
It is more thorough and comprehensive to open content.
Hereinafter, various embodiments of the present invention will be described more fully.The present invention can have various embodiments, and
It can adjust and change wherein.It should be understood, however, that: there is no various embodiments of the present invention are limited to spy disclosed herein
Determine the intention of embodiment, but should invention is construed as cover in the spirit and scope for falling into various embodiments of the present invention
All adjustment, equivalent and/or optinal plan.
Hereinafter, disclosed in the term " includes " that can be used in various embodiments of the present invention or " may include " instruction
Function, operation or the presence of element, and do not limit the increase of one or more functions, operation or element.In addition, such as existing
Used in various embodiments of the present invention, term " includes ", " having " and its cognate are meant only to indicate special characteristic, number
Word, step, operation, the combination of element, component or aforementioned item, and be understood not to exclude first one or more other
Feature, number, step, operation, element, component or aforementioned item combined presence or increase one or more features, number,
Step, operation, element, component or aforementioned item combination a possibility that.
In various embodiments of the present invention, statement " A or/and B " includes any combination or the institute of the text listed file names with
There is combination, such as, it may include A, it may include B or may include A and B both.
The statement (" first ", " second " etc.) used in various embodiments of the present invention can be modified in various implementations
Various constituent element in example, but respective sets can not be limited into element.For example, the above statement is not intended to limit the suitable of the element
Sequence and/or importance.The above statement is only used for the purpose for differentiating an element and other elements.For example, the first user fills
It sets and indicates different user device with second user device, although the two is all user apparatus.For example, of the invention each not departing from
In the case where the range of kind embodiment, first element is referred to alternatively as second element, and similarly, second element is also referred to as first
Element.
It should also be noted that in the present invention, unless otherwise specific regulation and definition, the arts such as " installation ", " connection ", " fixation "
Language shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection or being integrally connected；It can be machine
Tool connection, is also possible to be electrically connected；It can be and be directly connected to, and can be indirectly connected through an intermediary；It can be two
Connection inside element.For the ordinary skill in the art, above-mentioned term can be understood at this as the case may be
Concrete meaning in invention.
In the present invention, those skilled in the art are it is to be appreciated that indicating position or positional relationship in text
Term be orientation based on the figure or positional relationship, be merely for convenience of description of the present invention and simplification of the description, without
It is that the device of indication or suggestion meaning or element must have a particular orientation, be constructed and operated in a specific orientation, therefore
It is not considered as limiting the invention.
The term used in various embodiments of the present invention is used only for the purpose of describing specific embodiments and not anticipates
In limitation various embodiments of the present invention.Unless otherwise defined, otherwise all terms used herein (including technical term and
Scientific term) there is contain identical with the normally understood meaning of various embodiments of the present invention one skilled in the art
Justice.The term (term such as limited in the dictionary generally used) be to be interpreted as have in the related technical field
The identical meaning of situational meaning and Utopian meaning or meaning too formal will be interpreted as having, unless this
It is clearly defined in the various embodiments of invention.
Please refer to Fig.1 to Fig.3, the present invention provides a kind of machining tool, including polycrystalline diamond cutter head 100 and with
The knife handle 200 that the polycrystalline diamond cutter head 100 connects, the one end of the polycrystalline diamond cutter head 100 far from the knife handle 200
It is evenly distributed with 56~70 polycrystalline diamond cutting edges 121, the row of being formed between adjacent polycrystalline diamond cutting edge 121 in a ring
Consider slot to be worth doing.
Preferably, in the embodiment of the present invention, polycrystalline diamond cutter head 100 includes basal layer 110 and polycrystalline diamond layer, base
One end of bottom 110 is connect with knife handle 200, and the other end of basal layer 110 is fixedly connected with polycrystalline diamond layer；56~70 poly-
Diamond cutting edge 121 is evenly distributed on the one end of polycrystalline diamond layer 120 far from the basal layer 110 in a ring, adjacent
Chip space 122 is formed between polycrystalline diamond cutting edge 121.
It is understood that the one end of basal layer 110 far from polycrystalline diamond layer 120 and knife handle 200 are using the side welded
Formula is welded in one end of knife handle 200, and realization is welded and fixed, and makes the integral knot of shape of polycrystalline diamond cutter head 100 Yu knife handle 200
Structure.
It should be noted that polycrystalline diamond layer is separate in basal layer 110 with function metal powder by synthetic diamond micropowder
One end forming and sintering of knife handle 200 forms, which can be enumerated as the mixing of cobalt powder, nickel powder, chromium powder and tungsten carbide powder
Object；Wherein, the partial size of synthetic diamond micropowder can be 300~500 μm, and cobalt accounts for synthetic diamond micropowder and function metal powder is total
The mass percent of quality is no more than 12%.
Preferably, in the embodiment of the present invention, cut formation one by one through laser on above-mentioned polycrystalline diamond layer 120 is in ring
Equally distributed 56~70 polycrystalline diamond cutting edges 121 of shape and the chip space between polycrystalline diamond cutting edge 121
122, so that polycrystalline diamond layer 120 and 56~70 polycrystalline diamond cutting edge 121 is integrated connection structure, compared to tradition
Polycrystalline diamond cutter head 100 and polycrystalline diamond cutting edge 121 between welding structure, precision is higher, and intensity is more preferable so that
The mill of the machining tool arrived is more preferable, and the service life is longer.
Preferably, in the embodiment of the present invention, basal layer 110 and knife handle 200 are all made of tungsten carbide base carbide alloy material.It needs
It is noted that tungsten carbide base carbide alloy is the agglomerated material for cohering phase composition using tungsten carbide as hard phase and metal, this reality
It applies in example, the mass percent in tungsten carbide base carbide alloy containing cobalt is no more than 12%, and grain size is 0.4 μm, and hardness is
HRA92.5, density 14.10g/mm3, bending strength 4200N/mm2。
The shape of each polycrystalline diamond cutting edge 121 can be enumerated as triangle or trapezoidal etc..
Preferably, the side that above-mentioned polycrystalline diamond layer 120 has end face and connect with the end face, 56~70 plycrystalline diamond gold
Annular intersection of the hard rock cutting edge 121 along the end face and side is uniformly distributed, 56~70 polycrystalline diamond cutting edges 121 from
The side of cutter body 121A extends to end face, forms " 7 " font or " L " type.
Preferably, in the embodiment of the present invention, setting fluted 123 among the end face of the polycrystalline diamond layer 120.
It should be noted that avoiding plycrystalline diamond golden by the way that fluted 123 are arranged among the end face of polycrystalline diamond layer 120
The end face of hard rock layer 120 is contacted with workpiece such as glass materials, generates machining interference when to work pieces process such as ceramics or glass materials,
Friction etc. is generated to workpiece surfaces such as ceramics or glass materials, is located at polycrystalline diamond convenient for each polycrystalline diamond cutting edge 121
Layer 120 end face part can more preferably to workpiece such as glass materials machining.Further, in the present embodiment, gather
Diamond cutter head 100 and knife handle 200 are cylindrical shape, and the cross section of the groove 123 is circle, 56~70 plycrystalline diamond Buddha's warrior attendants
Stone cutting edge 121 is uniformly annularly distributed in the opening periphery of the groove 123, i.e. 56~70 polycrystalline diamond cutting edges 121 and groove
123 be same central axis.
Preferably, in the embodiment of the present invention, the helical angle of each polycrystalline diamond cutting edge 121 is 45~65 °.
Preferably, the tread of each polycrystalline diamond cutting edge 121 is 0.03~0.1mm；Each plycrystalline diamond gold
The sword length of hard rock cutting edge 121 is 1~3mm.
Preferably, 121 surface roughness Ra of polycrystalline diamond cutting edge is 0.1~0.4 μm.
Preferably, the depth dimensions of chip space 122 are 0.06~0.15mm.The groove profile of chip space 122 is U-shaped.Further
Ground, chip space 122 are located at the width dimensions of the end face part of cutter body 121A from end face periphery to end face center direction gradually
Successively decrease.
As shown in Figure 3 and Figure 4, the bottom surface of chip space 122 and wall surface are towards clockwise adjacent cutting edge 121
The angle of side wall is 92~98 °.
As shown in Figure 3 and Figure 5, the bottom surface of chip space 122 and wall surface are towards anticlockwise adjacent cutting edge 121
The angle of side wall is 83~88 °.
It should be noted that the numerous types of machining tool of the invention, exemplarily, machining tool be at
Type milling cutter forms required profile for carrying out milling to workpiece such as glass, ceramics.Machining tool is form grinding
Knife, for carrying out grinding-shaping to required precision to workpiece.
The present invention provides a kind of manufacturing process of machining tool 1, comprising:
(1) rigid 200 blank of knife handle and 100 blank of polycrystalline diamond polycrystalline diamond cutter head are provided.
(2) 100 blank of polycrystalline diamond polycrystalline diamond cutter head and 200 blank of knife handle are used into welding fixture
Contraposition is fixed, and vacuum welding is then carried out.
Preferably, 100 blank of polycrystalline diamond polycrystalline diamond cutter head and 200 blank of knife handle are subjected to vacuum
It further include respectively to 200 embryo of welding surface and the knife handle of 100 blank of polycrystalline diamond polycrystalline diamond cutter head before welding
The welding surface of part carries out sanding and polishing, is more advantageous in this way by 100 blank of polycrystalline diamond polycrystalline diamond cutter head and knife handle 200
Blank rapid abutting joint positioning welding.
(3) 100 blank of polycrystalline diamond polycrystalline diamond cutter head is passed through far from one end of 200 blank of knife handle
Laser cutting forms equally distributed 56~70 polycrystalline diamond cutting edges 121 in a ring, adjacent polycrystalline diamond cutting edge
Chip space 122, the chip which generates for machining to be discharged in time are formed between 121.
Preferably, by 100 blank of polycrystalline diamond polycrystalline diamond cutter head far from 200 blank of knife handle one
It further include using essence before end is cut by laser and to form equally distributed 56~70 polycrystalline diamond cutting edges 121 in a ring
100 blank of polycrystalline diamond polycrystalline diamond cutter head and 200 blank of the knife handle are refined to need respectively by close numerical control bed
Precision to be achieved.
Preferably, in the embodiment of the present invention, 100 blank of polycrystalline diamond polycrystalline diamond cutter head and 200 blank of knife handle are equal
For cylindrical shape.
It should be noted that the tread of polycrystalline diamond cutting edge 121 refers to the edge width of polycrystalline diamond cutting edge,
The tread of each polycrystalline diamond cutting edge 121 of the invention is 0.03~0.1mm, has both guaranteed polycrystalline diamond cutting edge 121
Intensity it is sufficient, and guarantee that obtained grinding knife tool has longer service life, and guarantee preferable stock-removing efficiency.Surface is thick
Rugosity refers to the unevenness of the smaller spacing that finished surface has and small peak valley, and value is smaller, then shows more smooth；The present invention
Each polycrystalline diamond cutting edge 121 edge surface roughness Ra be 0.1~0.4 μm, the polycrystalline diamond cutting edge 121
Cutting edge it is smooth sharp, so that the surface accuracy of the workpiece such as the glass being cut is guaranteed.The plycrystalline diamond gold each of of the invention
The helical angle of hard rock cutting edge 121 is 45~65 °, and the grinding knife tool which guarantees has preferable intensity, resistance to
Mill property and the chip rate of outflow.
56~70 sword machining tools 1 that the manufacturing process of machining tool 1 of the invention is prepared have resistance to
Good, the long service life of mill property, is at least one times of the service life of weld tabs pcd profile cutter, is used for the more efficient of work pieces process, adds
Shorter between working hour, the product size stability processed with the machining tool 1 is good, reduces detection frequency, and rejection rate is low.
Further, 100 blank of polycrystalline diamond polycrystalline diamond cutter head is by by basal layer 110 and plycrystalline diamond Buddha's warrior attendant
120 compacting sintering of rock layers forms；One end vacuum welding of the basal layer 110 far from the polycrystalline diamond layer 120 is in described
In 200 blank of knife handle.Equally distributed 56~70 plycrystalline diamonds in a ring are formed by laser processing on polycrystalline diamond layer 120
Diamond Cutting sword 121.
Further, it is laser machined in the end face of polycrystalline diamond layer 120 and side, 56~70 made are poly-
Diamond cutting edge 121 extends to end face from the side of polycrystalline diamond layer 120, forms " 7 " font or " L " type.
Certainly, the present invention is not intended to limit the shape of polycrystalline diamond cutting edge 121, each polycrystalline diamond cutting edge 121
Shape can also be enumerated as triangle or trapezoidal etc..
Further, in the embodiment of the present invention, the groove depth of chip space 122 is 0.06~0.15mm；On the one hand chip removal is avoided
The intensity that is too deep and influencing polycrystalline diamond cutting edge 121 of slot 122, makes its weakened, on the other hand avoids chip space 122 deep
Shallow influence processing is spent, guarantees ideal machining accuracy.Preferably, the groove width of chip space 122 is 0.15~0.45mm.Further
Ground, chip space 122 be located at the width dimensions of the end face part of polycrystalline diamond layer 120 from end face periphery to end face center direction by
Step is successively decreased.
The long land length for referring to polycrystalline diamond cutting edge 121 of the sword of polycrystalline diamond cutting edge 121, it is preferable that every
The sword length of a polycrystalline diamond cutting edge 121 is 1~3mm, guarantees effective cutting range of polycrystalline diamond cutting edge 121.
In the embodiment of the present invention, the sword length of each polycrystalline diamond cutting edge 121 includes positioned at the side and end of polycrystalline diamond layer 120
The sum of the length in face.
Further, the vacuum welding temperature is 600 DEG C~700 DEG C, and the vacuum welding time is 2~3h；This is true
Missing solder jointing temp and time can be such that 200 blank of knife handle is sufficiently welded in place with 100 blank of polycrystalline diamond polycrystalline diamond cutter head,
With preferable bonding strength.
Further, the basal layer 110 and 200 blank of the knife handle are all made of tungsten carbide base carbide alloy material system
At.
It should be noted that tungsten carbide base carbide alloy is the sintering for cohering phase composition using tungsten carbide as hard phase and metal
Material, in the present embodiment, the mass percent in tungsten carbide base carbide alloy containing cobalt is no more than 12%, and grain size is 0.4 μm,
Hardness is HRA92.5, density 14.10g/mm3, bending strength 4200N/mm2。
Further, the polycrystalline diamond layer 120 is by synthetic diamond micropowder and function metal powder in the basal layer
110 one end forming and sinterings far from 200 blank of knife handle form.The function metal powder may include cobalt powder, nickel powder, chromium powder and carbonization
Tungsten powder, wherein cobalt accounts for synthetic diamond micropowder and the mass percent of function metal powder gross mass is no more than 12%；It is described artificial
The partial size of diadust is preferably 300~500 μm；The partial size of the function metal powder is preferably 150~300 μm；Make to obtain
Polycrystalline diamond layer 120 it is more common 120 structural strength of polycrystalline diamond layer it is higher, wear-resisting property is more preferable.
Further, the manufacturing process of the machining tool 1 further include: in the polycrystalline diamond polycrystalline diamond
100 blank of cutter head forms a groove 123 far from laser processing is passed through among one end of 200 blank of knife handle.
It should be noted that avoiding the end face of cutter body by the way that fluted 123 are arranged among the end face of cutter body
It is contacted with workpiece such as glass materials, the part for being located at the end face of cutter body convenient for each polycrystalline diamond cutting edge 121 can be more
The good machining to workpiece such as glass materials.Further, in the present embodiment, the cross section of the groove 123 is round, 56
~70 polycrystalline diamond cutting edges 121 are uniformly annularly distributed in the opening periphery of the groove 123, i.e. 56~70 polycrystalline diamonds are cut
It cuts sword 121 and groove 123 is same central axis.
Embodiment 1
A kind of machining tool, including polycrystalline diamond cutter head 100 and knife handle 200；Polycrystalline diamond cutter head 100 includes
One end of basal layer 110 and polycrystalline diamond layer 120, basal layer 110 is fixedly connected with knife handle 200 using welding manner, substrate
The other end of layer 110 is sintered compressed together achieve a fixed connection with polycrystalline diamond layer 120；It is remote in polycrystalline diamond layer 120
One end from the basal layer 110 is uniformly distributed 70 polycrystalline diamond cutting edges 121, adjacent polycrystalline diamond cutting in a ring
Chip space 122 is formed between sword 121.The side that polycrystalline diamond layer 120 has end face and connect with the end face, 70 plycrystalline diamond gold
Hard rock cutting edge 121 to be formed by cutting one by one on polycrystalline diamond layer 120 through laser so that polycrystalline diamond layer 120 with
70 polycrystalline diamond cutting edges 121 are structure as a whole；70 polycrystalline diamond cutting edges 121 are along polycrystalline diamond layer 120
The annular intersection of end face and side is uniformly distributed, and 70 polycrystalline diamond cutting edges 121 are from the side of polycrystalline diamond layer 120
End face is extended to, " 7 " font or inverted "L" shape are formed.Setting fluted 123 among the end face of polycrystalline diamond layer 120.
Wherein, 200 blank of knife handle is made of tungsten carbide base carbide alloy material；Basal layer 110 is hard using tungsten carbide-base
Matter alloy material is made, and polycrystalline diamond layer 120 is made of the compound of synthetic diamond micropowder and function metal powder, wherein people
The partial size for making diadust is 400 μm, and function metal powder is that cobalt powder, nickel powder, chromium powder and tungsten carbide powder are 1.0 in mass ratio:
The mixed-powder of 3:3:3, the mass percent containing cobalt is no more than 12% in tungsten carbide base carbide alloy.
The tread of each cutting edge 121 is 0.06mm；The sword length of each cutting edge 121 is 1.8mm；Each cutting edge
121 edge surface roughness Ra is 0.12 μm；The helical angle of each cutting edge 121 is 50 °；The groove depth of chip space 122 is
0.07mm。
To the machining tool of the embodiment 1 and existing welding type PCD profile cutter and hard alloy profile cutter into
Row performance test comparison, as a result as shown in table 1 below.
Table 1
Embodiment 2
A kind of machining tool, including polycrystalline diamond cutter head 100 and knife handle 200；Polycrystalline diamond cutter head 100 includes
One end of basal layer 110 and polycrystalline diamond layer 120, basal layer 110 is fixedly connected with knife handle 200 using welding manner, substrate
The other end of layer 110 is sintered compressed together achieve a fixed connection with polycrystalline diamond layer 120；It is remote in polycrystalline diamond layer 120
One end from the basal layer 110 is uniformly distributed 62 polycrystalline diamond cutting edges 121, adjacent polycrystalline diamond cutting in a ring
Chip space 122 is formed between sword 121.The side that polycrystalline diamond layer 120 has end face and connect with the end face, 62 plycrystalline diamond gold
Hard rock cutting edge 121 to be formed by cutting one by one on polycrystalline diamond layer 120 through laser so that polycrystalline diamond layer 120 with
62 polycrystalline diamond cutting edges 121 are structure as a whole；62 polycrystalline diamond cutting edges 121 are along polycrystalline diamond layer 120
The annular intersection of end face and side is uniformly distributed, and 62 polycrystalline diamond cutting edges 121 are from the side of polycrystalline diamond layer 120
End face is extended to, " 7 " font or inverted "L" shape are formed.Setting fluted 123 among the end face of polycrystalline diamond layer 120.
Wherein, 200 blank of knife handle is made of tungsten carbide base carbide alloy material；Basal layer 110 is hard using tungsten carbide-base
Matter alloy material is made, and polycrystalline diamond layer 120 is made of the compound of synthetic diamond micropowder and function metal powder, wherein people
The partial size for making diadust is 400 μm, and function metal powder is that cobalt powder, nickel powder, chromium powder and tungsten carbide powder are 1.0 in mass ratio:
The mixed-powder of 3:3:3, the mass percent containing cobalt is no more than 12% in tungsten carbide base carbide alloy.
The tread of each cutting edge 121 is 0.05mm；The sword length of each cutting edge 121 is 2.8mm；Each cutting edge
121 edge surface roughness Ra is 0.28 μm；The helical angle of each cutting edge 121 is 55 °；The groove depth of chip space 122 is
0.13mm。
To the machining tool of the embodiment 2 and existing welding type PCD profile cutter and hard alloy profile cutter into
Row performance test comparison, as a result as shown in table 1 below.
Table 2
Embodiment 3
A kind of machining tool, including polycrystalline diamond cutter head 100 and knife handle 200；Polycrystalline diamond cutter head 100 includes
One end of basal layer 110 and polycrystalline diamond layer 120, basal layer 110 is fixedly connected with knife handle 200 using welding manner, substrate
The other end of layer 110 is sintered compressed together achieve a fixed connection with polycrystalline diamond layer 120；It is remote in polycrystalline diamond layer 120
One end from the basal layer 110 is uniformly distributed 56 polycrystalline diamond cutting edges 121, adjacent polycrystalline diamond cutting in a ring
Chip space 122 is formed between sword 121.The side that polycrystalline diamond layer 120 has end face and connect with the end face, 56 plycrystalline diamond gold
Hard rock cutting edge 121 to be formed by cutting one by one on polycrystalline diamond layer 120 through laser so that polycrystalline diamond layer 120 with
56 polycrystalline diamond cutting edges 121 are structure as a whole；56 polycrystalline diamond cutting edges 121 are along polycrystalline diamond layer 120
The annular intersection of end face and side is uniformly distributed, and 56 polycrystalline diamond cutting edges 121 are from the side of polycrystalline diamond layer 120
End face is extended to, " 7 " font or inverted "L" shape are formed.Setting fluted 123 among the end face of polycrystalline diamond layer 120.
Wherein, 200 blank of knife handle is made of tungsten carbide base carbide alloy material；Basal layer 110 is hard using tungsten carbide-base
Matter alloy material is made, and polycrystalline diamond layer 120 is made of the compound of synthetic diamond micropowder and function metal powder, wherein people
The partial size for making diadust is 400 μm, and function metal powder is that cobalt powder, nickel powder, chromium powder and tungsten carbide powder are 1.0 in mass ratio:
The mixed-powder of 3:3:3, the mass percent containing cobalt is no more than 12% in tungsten carbide base carbide alloy.
The tread of each cutting edge 121 is 0.04mm；The sword length of each cutting edge 121 is 2.3mm；Each cutting edge
121 edge surface roughness Ra is 0.38 μm；The helical angle of each cutting edge 121 is 45 °；The groove depth of chip space 122 is
0.15mm。
To the machining tool of the embodiment 1 and existing welding type PCD profile cutter and hard alloy profile cutter into
Row performance test comparison, as a result as shown in table 3 below.
Table 3
Although the above more term for having used expression structure, such as " knife handle ", " basal layer ", " polycrystalline diamond layer "
Deng, but it does not exclude the possibility of using other terms.The use of these items is only for be more convenient to describe and explain this
The essence of invention；Being construed as any additional limitation is disagreed with spirit of that invention.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of machining tool, it is characterised in that: connect including polycrystalline diamond cutter head and with the polycrystalline diamond cutter head
The knife handle connect, the described one end of polycrystalline diamond cutter head far from the knife handle are evenly distributed with 56~70 plycrystalline diamond Buddha's warrior attendants in a ring
Stone cutting edge forms chip space between adjacent polycrystalline diamond cutting edge.
2. machining tool according to claim 1, it is characterised in that: the polycrystalline diamond cutter head includes basal layer
And polycrystalline diamond layer, it is remote that 56~70 polycrystalline diamond cutting edges are evenly distributed on the polycrystalline diamond layer in a ring
One end from the basal layer.
3. machining tool according to claim 2, it is characterised in that: the basal layer and the knife handle are all made of carbon
Change tungsten base cemented carbide material.
4. machining tool according to claim 2, it is characterised in that: the polycrystalline diamond layer have end face and with
The side of the end face connection, annular intersection of 56~70 polycrystalline diamond cutting edges along the end face and the side
It is uniformly distributed, 56~70 polycrystalline diamond cutting edges extend to the end face from the side.
5. machining tool according to claim 2, it is characterised in that: set among the end face of the polycrystalline diamond layer
It is equipped with groove.
6. machining tool according to claim 2, it is characterised in that: the polycrystalline diamond cutter head and the knife handle
It is connected by the way of vacuum welding；56~70 polycrystalline diamond cutting edges are integrally attached to the polycrystalline diamond layer
On.
7. machining tool according to claim 1, it is characterised in that: the spiral shell of each polycrystalline diamond cutting edge
Swing angle is 45~65 °.
8. machining tool according to claim 1, it is characterised in that: the sword of each polycrystalline diamond cutting edge
Width is 0.03~0.1mm；The sword length of each polycrystalline diamond cutting edge is 1~3mm.
9. machining tool according to claim 1, it is characterised in that: the depth of the chip space be 0.06~
0.15mm。
10. machining tool according to claim 1, it is characterised in that: polycrystalline diamond cutting edge surface is thick
Rugosity Ra is 0.1~0.4 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811116413.0A CN108943433A (en) | 2018-09-25 | 2018-09-25 | A kind of machining tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811116413.0A CN108943433A (en) | 2018-09-25 | 2018-09-25 | A kind of machining tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108943433A true CN108943433A (en) | 2018-12-07 |
Family
ID=64472178
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811116413.0A Pending CN108943433A (en) | 2018-09-25 | 2018-09-25 | A kind of machining tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108943433A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020063006A1 (en) * | 2018-09-25 | 2020-04-02 | 汇专科技集团股份有限公司 | Diamond cutting tool for hard-brittle difficult-to-machine material |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4033204A (en) * | 1975-08-12 | 1977-07-05 | Viktor Samsonovich Salukvadze | Method of making rotary cutters |
| CN101622097A (en) * | 2007-01-23 | 2010-01-06 | 劳斯莱斯有限公司 | Make the method for milling cutter |
| CN201470965U (en) * | 2009-09-14 | 2010-05-19 | 哈尔滨飞机工业集团有限责任公司 | Organic glass milling tools |
| CN104640658A (en) * | 2012-07-27 | 2015-05-20 | 日立工具股份有限公司 | Multi-edge end mill |
| CN107738077A (en) * | 2017-11-14 | 2018-02-27 | 富耐克超硬材料股份有限公司 | Whole PC BN circular rod-shaped cutting tools and preparation method thereof |
| CN107891173A (en) * | 2017-11-14 | 2018-04-10 | 富耐克超硬材料股份有限公司 | Whole PC D circular rod-shaped cutting tools and preparation method thereof |
-
2018
- 2018-09-25 CN CN201811116413.0A patent/CN108943433A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4033204A (en) * | 1975-08-12 | 1977-07-05 | Viktor Samsonovich Salukvadze | Method of making rotary cutters |
| CN101622097A (en) * | 2007-01-23 | 2010-01-06 | 劳斯莱斯有限公司 | Make the method for milling cutter |
| CN201470965U (en) * | 2009-09-14 | 2010-05-19 | 哈尔滨飞机工业集团有限责任公司 | Organic glass milling tools |
| CN104640658A (en) * | 2012-07-27 | 2015-05-20 | 日立工具股份有限公司 | Multi-edge end mill |
| CN107738077A (en) * | 2017-11-14 | 2018-02-27 | 富耐克超硬材料股份有限公司 | Whole PC BN circular rod-shaped cutting tools and preparation method thereof |
| CN107891173A (en) * | 2017-11-14 | 2018-04-10 | 富耐克超硬材料股份有限公司 | Whole PC D circular rod-shaped cutting tools and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020063006A1 (en) * | 2018-09-25 | 2020-04-02 | 汇专科技集团股份有限公司 | Diamond cutting tool for hard-brittle difficult-to-machine material |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5643523A (en) | Method of manufacturing diamond-coated cutting tool inserts | |
| WO2016043127A1 (en) | Cutting insert and manufacturing method therefor | |
| EP1859882A1 (en) | Cbn cutting tool for high-grade, high-efficiency machining | |
| CN109454282A (en) | A kind of manufacturing process of polycrystalline diamond cutter head process tool | |
| KR102214373B1 (en) | Cutting insert | |
| US5273379A (en) | Blank material for drill and drill therefrom | |
| CN109454249B (en) | Optical turning tool and cutting method thereof | |
| CN108994557A (en) | A kind of manufacturing process of polycrystalline diamond process tool | |
| CN109014358A (en) | A kind of manufacturing process of machining tool | |
| CN109365845B (en) | Optical turning tool and machining process thereof | |
| JP6191839B2 (en) | Diamond sintered ball end mill and manufacturing method thereof | |
| CN109794634A (en) | A kind of roughing bulk ceramics milling cutter | |
| CN108942131A (en) | The processing method of milling cutter | |
| CN108943434A (en) | A kind of polycrystalline diamond process tool | |
| CN108943436A (en) | A kind of polycrystalline diamond cutter head process tool | |
| CN108943433A (en) | A kind of machining tool | |
| JPH06190610A (en) | Diamond tool | |
| CN209521117U (en) | A kind of machining tool | |
| JP2001212703A (en) | Polycrystalline hard sintered cutting tool | |
| CN209521116U (en) | A kind of polycrystalline diamond cutter head process tool | |
| CN209521112U (en) | A kind of polycrystalline diamond process tool | |
| JP2003175408A (en) | Polycrystal hard sintered body throw-away tip | |
| KR20180088454A (en) | Cutting tool | |
| WO2018068669A1 (en) | Superhard material cutting component and manufacturing method therefor and use thereof | |
| JP2001179517A (en) | Diamond drill and method of manufacturing the same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 510000 Guangdong Guangzhou High-tech Industrial Development Zone Science City Nanyun No. 2 Road No. 8 Product Yao Electronics Industry Park Door and Machine Building (Block C) First and Second Floors Applicant after: CONPROFE TECHNOLOGY GROUP Co.,Ltd. Applicant after: CONPROFE GREEN TOOLS Co.,Ltd. Address before: 510000 Guangdong Guangzhou High-tech Industrial Development Zone Science City Nanyun No. 2 Road No. 8 Product Yao Electronics Industry Park Door and Machine Building (Block C) First and Second Floors Applicant before: CONPROFE TECHNOLOGY GROUP Co.,Ltd. Applicant before: GUANGZHOU HUIZHUAN TOOLS Co.,Ltd. |
|
| CB02 | Change of applicant information | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20200201 Address after: 510000 Guangdong Guangzhou High-tech Industrial Development Zone Science City Nanyun No. 2 Road No. 8 Product Yao Electronics Industry Park Door and Machine Building (Block C) First and Second Floors Applicant after: CONPROFE TECHNOLOGY GROUP Co.,Ltd. Applicant after: SMARTGUY INTELLIGENT EQUIPMENT Co.,Ltd. GUANGZHOU BRANCH Address before: 510000 Guangdong Guangzhou High-tech Industrial Development Zone Science City Nanyun No. 2 Road No. 8 Product Yao Electronics Industry Park Door and Machine Building (Block C) First and Second Floors Applicant before: CONPROFE TECHNOLOGY GROUP Co.,Ltd. Applicant before: CONPROFE GREEN TOOLS Co.,Ltd. |
|
| TA01 | Transfer of patent application right | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181207 |
|
| RJ01 | Rejection of invention patent application after publication |