CN109397427B - Ceramic cutter - Google Patents
Ceramic cutter Download PDFInfo
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- CN109397427B CN109397427B CN201811305451.0A CN201811305451A CN109397427B CN 109397427 B CN109397427 B CN 109397427B CN 201811305451 A CN201811305451 A CN 201811305451A CN 109397427 B CN109397427 B CN 109397427B
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- ceramic cutter
- cutter tooth
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27G—ACCESSORY MACHINES OR APPARATUS FOR WORKING WOOD OR SIMILAR MATERIALS; TOOLS FOR WORKING WOOD OR SIMILAR MATERIALS; SAFETY DEVICES FOR WOOD WORKING MACHINES OR TOOLS
- B27G13/00—Cutter blocks; Other rotary cutting tools
- B27G13/08—Cutter blocks; Other rotary cutting tools in the shape of disc-like members; Wood-milling cutters
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27C—PLANING, DRILLING, MILLING, TURNING OR UNIVERSAL MACHINES FOR WOOD OR SIMILAR MATERIAL
- B27C1/00—Machines for producing flat surfaces, e.g. by rotary cutters; Equipment therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27B—SAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
- B27B33/00—Sawing tools for saw mills, sawing machines, or sawing devices
- B27B33/02—Structural design of saw blades or saw teeth
- B27B33/08—Circular saw blades
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Cutting Tools, Boring Holders, And Turrets (AREA)
Abstract
The invention provides a ceramic cutter, which comprises a cutter body, wherein 8 spiral ceramic cutter tooth groups with a centrosymmetric structure are annularly arranged on the outer side of the cutter body, the central angle of each spiral ceramic cutter tooth group is 45 degrees, four ceramic cutter tooth seats are arranged in any spiral ceramic cutter tooth group side by side, and four ceramic cutter teeth are respectively and correspondingly fixed on the four ceramic cutter tooth seats; in any spiral ceramic cutter tooth group: the central angle formed by the ceramic cutter tooth I and the ceramic cutter tooth II, the central angle formed by the ceramic cutter tooth II and the ceramic cutter tooth III and the central angle formed by the ceramic cutter tooth III and the ceramic cutter tooth IV are respectively 12-14 degrees, 9-12 degrees and 5-9 degrees; the ceramic cutter can realize the cutting of wood and wood composite materials, and ensures the cutting processing precision and the reliability of the cutter. The ceramic cutter tooth edge breaking can be effectively avoided, the ceramic cutter tooth strength is improved, the service life of the ceramic cutter tooth is prolonged, the cutting surface roughness is reduced, the cutting surface quality is improved, and the cutting machining efficiency is improved.
Description
Technical Field
This application is a divisional application of patent application 201610697427.0 (entitled "a ceramic woodworking knife") filed on 2016, 08, 19.
The invention relates to the field of wood and wood composite material cutting processing, in particular to a ceramic cutter applied to wood cutting.
Background
As is well known, ceramic cutting tools have been widely used in metal cutting, and the advantages thereof are mainly shown in: firstly, the ceramic cutter has high hardness and wear resistance, and the normal temperature hardness of the ceramic cutter reaches 91-95HRA and exceeds that of hard alloy; the ceramic knife has high heat resistance, the hardness is 80HRA at 1200 ℃, the reduction of the strength and the toughness is less, and the cutting speed of the ceramic knife is 2 to 10 times higher than that of hard alloy; high chemical stability and good oxidation resistance and bonding resistance at high temperature; the friction coefficient is lower, and the friction coefficient of the ceramic cutter during cutting is lower than that of the hard alloy cutter; the density of the ceramic cutter material is only one fourth of that of the hard alloy cutter material, so that the cutting speed (rotating speed) of the cutter can be further increased; sixthly, the ceramic cutter has low price and abundant raw materials. The advantages also provide a plurality of advantages for the ceramic cutter applied to the field of wood cutting processing.
Compared with metal, wood is a highly anisotropic and uneven natural composite material, an extraction substance inside the wood, an adhesive inside the wood composite material or an external facing material and has a high cutting speed, the cutting force of the ceramic cutter is a dynamic cutting force in the wood cutting process, particularly in the back milling process, the cutting force can change along with the change of the position of the cutting edge, and the impact load of the dynamic cutting force which changes in a good ratio is applied to the cutting edge of the ceramic cutter, so that the cutter is prone to edge breakage. Therefore, ceramic cutting tools are generally considered to be unsuitable for use in cutting wood and wood composites.
Disclosure of Invention
The invention aims to solve the problems that when the ceramic cutter is applied to cutting of wood and wood composite materials, edge tipping, fiber tearing and scooping are easy to occur, the cutting processing surface is rough, the cutting quality of wood joint parts is poor and the service life of the cutter is low, and the strength, the service life and the cutting quality of the ceramic cutter are improved.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention provides a ceramic cutter which comprises a cutter body, wherein 4-8 ceramic cutter tooth groups with a centrosymmetric structure are annularly arranged on the outer side of the cutter body, the central angle of each ceramic cutter tooth group is 360 degrees/4-8, and each ceramic cutter tooth group consists of 2-6 ceramic cutter tooth seats in parallel and ceramic cutter teeth fixed on each ceramic cutter tooth seat.
Preferably, the method comprises the following steps: the outer side of the cutter body is annularly provided with 8 ceramic cutter tooth groups with a centrosymmetric structure, the central angle of each ceramic cutter tooth group is 45 degrees, and each ceramic cutter tooth group consists of 4 ceramic cutter tooth seats side by side and ceramic cutter teeth fixed on each ceramic cutter tooth seat.
Preferably, the method comprises the following steps: the outer side of the cutter body is annularly provided with 8 spiral ceramic cutter tooth groups in a centrosymmetric structure, the central angle of each spiral ceramic cutter tooth group is 45 degrees, and four ceramic cutter tooth seats and four ceramic cutter teeth are arranged in any spiral ceramic cutter tooth group side by side and are respectively and correspondingly fixed on the four ceramic cutter tooth seats;
wherein: the four ceramic cutter tooth seats are respectively a ceramic cutter tooth seat I, a ceramic cutter tooth seat II, a ceramic cutter tooth seat III and a ceramic cutter tooth seat IV, and the four ceramic cutter teeth are respectively a ceramic cutter tooth I fixed on the ceramic cutter tooth seat I, a ceramic cutter tooth II fixed on the ceramic cutter tooth seat II, a ceramic cutter tooth III fixed on the ceramic cutter tooth seat III and a ceramic cutter tooth IV fixed on the ceramic cutter tooth seat IV;
in any spiral ceramic cutter tooth group: the central angle formed by the ceramic cutter tooth I and the ceramic cutter tooth II, the central angle formed by the ceramic cutter tooth II and the ceramic cutter tooth III and the central angle formed by the ceramic cutter tooth III and the ceramic cutter tooth IV are respectively 12-14 degrees, 9-12 degrees and 5-9 degrees; and the central angle formed by the ceramic cutter tooth I of any spiral ceramic cutter tooth group and the adjacent ceramic cutter tooth IV of the adjacent previous spiral ceramic cutter tooth group is 14-16 degrees.
Preferably, the method comprises the following steps: in any spiral ceramic cutter tooth group: the central angle formed by the ceramic cutter tooth I and the ceramic cutter tooth II, the central angle formed by the ceramic cutter tooth II and the ceramic cutter tooth III and the central angle formed by the ceramic cutter tooth III and the ceramic cutter tooth IV are respectively 13 degrees, 10 degrees and 7 degrees; and the central angle formed by the ceramic cutter tooth I of any spiral ceramic cutter tooth group and the adjacent ceramic cutter tooth IV of the other adjacent spiral ceramic cutter tooth group is 15 degrees. The beneficial effect of this structural design lies in: in the same spiral ceramic cutter tooth group: the central angle formed by the ceramic cutter tooth I and the adjacent ceramic cutter tooth IV of the other adjacent spiral ceramic cutter tooth group is the largest, so that the cutting amount of the ceramic cutter tooth I in each spiral ceramic cutter tooth group is the largest, and then the central angles formed between the ceramic cutter tooth I and the ceramic cutter tooth II, between the ceramic cutter tooth II and the ceramic cutter tooth III and between the ceramic cutter tooth III and the ceramic cutter tooth IV in the same spiral ceramic cutter tooth group are reduced, so that the cutting amount of the same spiral ceramic cutter tooth group is gradually reduced, and the improvement of the cutting quality is ensured.
Preferably, the method comprises the following steps: in any spiral ceramic cutter tooth group: the front angles of the four ceramic cutter teeth (namely the ceramic cutter tooth I, the ceramic cutter tooth II, the ceramic cutter tooth III and the ceramic cutter tooth IV) are respectively 5 degrees, 10 degrees, 15 degrees and 20 degrees; the back angles of the four ceramic cutter teeth are all 5 degrees; the wedge angles on the four ceramic cutter teeth are respectively 80 degrees, 75 degrees, 70 degrees and 65 degrees. The beneficial effect of this structural design is: the ceramic cutter tooth I has the largest bending strength, the ceramic cutter tooth II has the largest bending strength, the ceramic cutter tooth III has the smallest bending strength, the ceramic cutter tooth IV has the smallest bending strength, the functional requirements of the four ceramic cutter teeth in each spiral ceramic cutter tooth group are met, the ceramic cutter tooth with a large wedge angle is guaranteed to be subjected to cutting processing with large cutting amount, and the ceramic cutter tooth with a small wedge angle is subjected to high-precision cutting processing. This is mainly due to the higher strength and lower sharpness of the large wedge angle ceramic blade, while the lower strength and higher sharpness of the small wedge angle ceramic blade. And the rake angles of the four ceramic cutter teeth in each spiral ceramic cutter tooth group are gradually increased, which is beneficial to the gradual improvement of the cutting quality.
Preferably, the method comprises the following steps: the spiral angles of the four ceramic cutter teeth in any spiral ceramic cutter tooth group are respectively 5 degrees, 4 degrees, 3 degrees and 2 degrees. The beneficial effect of this structural design lies in: the spiral ceramic cutter tooth group with the spiral angle can improve the cutting quality of the ceramic cutter tooth, and the spiral angle of the ceramic cutter tooth is gradually reduced along with the reduction of the wedge angle of the ceramic cutter tooth, so that the cutting stability of the ceramic cutter tooth can be improved, and the service life of the ceramic cutter tooth can be prolonged.
Preferably, the method comprises the following steps: in any spiral ceramic cutter tooth group: the ceramic knife teeth comprise a ceramic knife tooth I and a ceramic knife tooth III, wherein a plurality of comb tooth grooves perpendicular to a cutting edge of the ceramic knife tooth I are formed in the rear knife face of the ceramic knife tooth I, a plurality of comb tooth grooves perpendicular to the cutting edge of the ceramic knife tooth II are formed in the rear knife face of the ceramic knife tooth II, a plurality of comb tooth grooves perpendicular to the cutting edge of the ceramic knife tooth III are formed in the rear knife face of the ceramic knife tooth III, and a plurality of comb tooth grooves perpendicular to a cutting edge of the ceramic knife tooth IV are formed in the rear knife face of the ceramic knife tooth IV.
Preferably, the method comprises the following steps: in any spiral ceramic cutter tooth group: comb tooth grooves on the rear cutter surfaces of two adjacent ceramic cutter teeth are arranged in a mutually staggered manner; and comb tooth grooves on the rear cutter faces of two adjacent ceramic cutter teeth in different spiral ceramic cutter tooth groups are also arranged in a mutually staggered manner. The beneficial effect of this structural design lies in: the friction and the cutting force between the rear cutter face and the cutting plane are reduced, the comb tooth grooves are arranged to help the cutting of wood fibers, the wood fibers are not affected by the fiber direction, the wood fibers are prevented from being scooped up (fluffed), and particularly when the wood knots are cut, the cutting quality of the cutting plane can be improved.
Preferably, the method comprises the following steps: the rear knife faces of the four ceramic knife teeth in any spiral ceramic knife tooth group are provided with oblique edges. The beneficial effect of this structural design lies in: the wedge angle of every pottery sword tooth can be increased, the intensity of every pottery sword tooth is improved, avoids tipping, increases the life-span, because ceramic material's low coefficient of friction, less relief angle can not increase the friction between back knife face and the cutting plane in addition, can not reduce the cutting quality of cutting plane yet.
Wherein: the cutter body is a No. 45 steel cutter body.
The bevel angle referred by the invention means that a chamfer is processed at the position of the rear tool face of the ceramic cutter tooth close to the cutting edge. Because the arc radius of the cutting edge of the ceramic cutter is smaller and is generally 5-10 mu m, the surface width of the inclined edge angle is about 40 mu m, so that the size of the wedge angle can be increased to a certain extent.
The relief angle refers to the angle between the flank face and the cutting plane measured in the orthogonal plane, and the relief angle referred to in the present invention is the angle formed between the flank face and the cutting plane of the ceramic cutter tooth, as shown in fig. 3.
Rake angle refers to the angle between the rake face and the base measured in orthogonal planes. The rake angle has the main effect of sharpening the cutting edge and affecting the strength of the cutting blade. The rake angle is usually 5-25 degrees, and the rake angle referred to in the invention is the included angle formed by the rake face and the base face of the ceramic cutter tooth, and is specifically shown as 3.
The wedge angle refers to an included angle between the front cutter face and the rear cutter face of the ceramic cutter tooth, the wedge angle has direct influence on cutting, and the larger the wedge angle is, the higher the strength of a cutting part is, so that the value of the wedge angle is selected to be as small as possible under the condition of ensuring sufficient strength. The wedge angle referred to in the present invention is the angle formed by the rake face and the flank face of the ceramic cutter tooth, and is specifically shown in fig. 3.
The helix angle refers to the acute angle between the tangent of the cylindrical helix and the straight generatrix of the cylindrical surface passing through the tangent point. The helix angle referred to in the present invention is the angle formed between the line on which the cutting edge of the ceramic cutter tooth is located and the straight generatrix (i.e. the axis of the cutter body provided with the central axial hole) of the ceramic cutter of the present invention, and is specifically shown in fig. 3.
The central angle generally refers to an angle between two adjacent vertices of a regular polygon and a connecting line of the centers of the two vertices, or a central angle, which is a circle with a center as a vertex and a radius as two sides. The central angle referred to in the invention is an included angle formed between two adjacent ceramic cutter teeth, and is specifically shown as 3.
The invention has the technical effects that: the ceramic cutter can realize the cutting of wood and wood composite materials, and ensures the cutting processing precision and the reliability of the cutter. The ceramic cutter tooth edge breaking can be effectively avoided, the ceramic cutter tooth strength is improved, the service life of the ceramic cutter tooth is prolonged, the cutting surface roughness is reduced, the cutting surface quality is improved, and the cutting machining efficiency is improved.
Drawings
FIG. 1 is a schematic perspective view of a ceramic cutting tool according to the present invention;
FIG. 2 is a front view of a ceramic cutting tool tooth set structure according to the present invention;
FIG. 3 is a second front view of a ceramic cutter tooth set structure of the ceramic cutter of the present invention;
FIG. 4 is a perspective view of a ceramic cutter tooth set structure of the ceramic cutter of the present invention;
FIG. 5 is a schematic view of the helix angle configuration of a ceramic cutting tooth set of FIG. 4 taken from view A;
FIG. 6 is a schematic view of a ceramic tooth according to the present invention;
FIG. 7 is a schematic view of a ceramic tooth relief surface of FIG. 6;
fig. 8 is a schematic diagram of the flank rake angle at the position of ceramic tooth B in fig. 6.
The attached drawings are marked as follows: the cutter body 1, the central shaft hole 10, ceramic cutter toothholder I21, ceramic cutter toothholder II 22, ceramic cutter toothholder III 23, ceramic cutter toothholder IV 24, ceramic cutter tooth I31, ceramic cutter tooth II 32, ceramic cutter tooth III 33, ceramic cutter tooth IV 34, the rear cutter face 11, the comb tooth groove 110 and the oblique edge angle 12.
Detailed Description
The following describes a detailed embodiment of the present invention with reference to the accompanying drawings.
As shown in fig. 1 to 8, the present invention provides a ceramic cutting tool, which includes a cutting tool body 1 and a central shaft hole 10 formed in the cutting tool body 1, wherein: the cutter body 1 is a No. 45 steel cutter body. The outer side of the cutter body 1 is annularly provided with 8 spiral ceramic cutter tooth groups in a centrosymmetric structure, the central angle of each spiral ceramic cutter tooth group is 45 degrees, and four ceramic cutter tooth seats and four ceramic cutter teeth are arranged in any spiral ceramic cutter tooth group side by side and are respectively and correspondingly fixed on the four ceramic cutter tooth seats;
as shown in FIGS. 1-4 2: the four ceramic cutter tooth seats are respectively a ceramic cutter tooth seat I21, a ceramic cutter tooth seat II 22, a ceramic cutter tooth seat III 23 and a ceramic cutter tooth seat IV 24, and the four ceramic cutter teeth are respectively a ceramic cutter tooth I31 fixed on the ceramic cutter tooth seat I21, a ceramic cutter tooth II 32 fixed on the ceramic cutter tooth seat II 22, a ceramic cutter tooth III 33 fixed on the ceramic cutter tooth seat III 23 and a ceramic cutter tooth IV 34 fixed on the ceramic cutter tooth seat IV 24.
As shown in fig. 3: in any spiral ceramic cutter tooth group: the central angle formed by the ceramic cutter tooth I31 and the ceramic cutter tooth II 32, the central angle formed by the ceramic cutter tooth II 32 and the ceramic cutter tooth III 33, and the central angle formed by the ceramic cutter tooth III 33 and the ceramic cutter tooth IV 34 are respectively 13 degrees, 10 degrees and 7 degrees; and the ceramic cutter tooth I31 of any spiral ceramic cutter tooth group forms a central angle of 15 degrees with the adjacent ceramic cutter tooth IV 34 of the other adjacent spiral ceramic cutter tooth group. The beneficial effect of this structural design lies in: in the same spiral ceramic cutter tooth group: the central angle formed by the ceramic cutter tooth I31 and the adjacent ceramic cutter tooth IV 34 of the other adjacent spiral ceramic cutter tooth group is the largest, so that the cutting amount of the ceramic cutter tooth I31 in each spiral ceramic cutter tooth group is the largest, and then the central angles formed between the ceramic cutter tooth I31 and the ceramic cutter tooth II 32, between the ceramic cutter tooth II 32 and the ceramic cutter tooth III 33 and between the ceramic cutter tooth III 33 and the ceramic cutter tooth IV 34 in the same spiral ceramic cutter tooth group are reduced, so that the cutting amount of the same spiral ceramic cutter tooth group is gradually reduced, and the improvement of the cutting quality is ensured.
As shown in fig. 3: in any spiral ceramic cutter tooth group: the front angles of the four ceramic cutter teeth (namely the ceramic cutter tooth I31, the ceramic cutter tooth II 32, the ceramic cutter tooth III 33 and the ceramic cutter tooth IV 34) are respectively 5 degrees, 10 degrees, 15 degrees and 20 degrees; the back angles of the four ceramic cutter teeth are all 5 degrees; the wedge angles on the four ceramic cutter teeth are respectively 80 degrees, 75 degrees, 70 degrees and 65 degrees. The beneficial effect of this structural design is: the ceramic cutter tooth I31 has the largest bending strength, the ceramic cutter tooth II 32 has the largest bending strength, the ceramic cutter tooth III 33 has the reduced bending strength, the ceramic cutter tooth IV 34 has the smallest bending strength, the functional requirements of the four ceramic cutter teeth in each spiral ceramic cutter tooth group are met, the ceramic cutter tooth with a large wedge angle is guaranteed to be subjected to cutting processing with large cutting amount, and the ceramic cutter tooth with a small wedge angle is subjected to high-precision cutting processing. This is mainly due to the higher strength and lower sharpness of the large wedge angle ceramic blade, while the lower strength and higher sharpness of the small wedge angle ceramic blade. And the rake angles of the four ceramic cutter teeth in each spiral ceramic cutter tooth group are gradually increased, which is beneficial to the gradual improvement of the cutting quality.
As shown in FIGS. 4-5: the spiral angles of the four ceramic cutter teeth in any spiral ceramic cutter tooth group are respectively 5 degrees, 4 degrees, 3 degrees and 2 degrees. The beneficial effect of this structural design lies in: the spiral ceramic cutter tooth group with the spiral angle can improve the cutting quality of the ceramic cutter tooth, and the spiral angle of the ceramic cutter tooth is gradually reduced along with the reduction of the wedge angle of the ceramic cutter tooth, so that the cutting stability of the ceramic cutter tooth can be improved, and the service life of the ceramic cutter tooth can be prolonged.
As shown in FIGS. 6 to 7: in any spiral ceramic cutter tooth group: a plurality of comb tooth grooves 110 which are vertical to the cutting edge of the ceramic cutter tooth I31 are arranged on the rear cutter face 11 of the ceramic cutter tooth I31, a plurality of comb tooth grooves 110 which are vertical to the cutting edge of the ceramic cutter tooth II 32 are arranged on the rear cutter face 11 of the ceramic cutter tooth II 32, a plurality of comb tooth grooves 110 which are vertical to the cutting edge of the ceramic cutter tooth III 33 are arranged on the rear cutter face 11 of the ceramic cutter tooth III 33, and a plurality of comb tooth grooves 110 which are vertical to the cutting edge of the ceramic cutter tooth IV 34 are arranged on the rear cutter face 11 of the ceramic cutter tooth IV 34. And: the comb tooth grooves 110 on the rear tool face 11 of two adjacent ceramic tool teeth are arranged in a mutually staggered manner; and the comb tooth grooves 110 on the rear tool faces 11 of two adjacent ceramic tool teeth in different spiral ceramic tool tooth groups are also arranged in a mutually staggered mode. The beneficial effect of this structural design lies in: the friction and the cutting force between the rear cutter face 11 and the cutting plane are reduced, the comb tooth grooves 110 are beneficial to cutting off wood fibers, the wood fibers are not influenced by the fiber direction, the wood fibers are prevented from being scooped up (fluffed), and particularly when wood knot parts are cut, the cutting quality of the cutting plane can be improved.
As shown in fig. 8: the back knife surfaces 11 of the four ceramic knife teeth in any spiral ceramic knife tooth group are all provided with oblique edges and corners 12. The beneficial effect of this structural design lies in: the effective wedge angle of every pottery sword tooth can be increased, the intensity of every pottery sword tooth is improved, avoids tipping, increases the life-span, moreover because ceramic material's low coefficient of friction, the less relief angle can not increase the friction between back knife face 11 and the cutting plane, can not reduce the cutting quality of cutting plane yet.
The bevel 12 in the embodiments of the present invention means that a chamfer is formed on the flank of the ceramic tooth near the cutting edge. The arc radius of the cutting edge of the ceramic cutter is smaller and is generally 5-10 mu m, so the surface width of the inclined edge angle is about 40 mu m, and the size of the wedge angle can be increased to a certain extent.
The relief angle refers to the angle between the flank face and the cutting plane measured in the orthogonal plane, and the relief angle referred to in the present invention is the angle formed between the flank face 11 and the cutting plane thereof in the ceramic cutter tooth, as shown in fig. 3.
Rake angle refers to the angle between the rake face and the base measured in orthogonal planes. The rake angle has the main effect of sharpening the cutting edge and affecting the strength of the cutting blade. The rake angle is the included angle formed by the rake face and the base face of the ceramic cutter tooth, and is specifically shown as 3.
The wedge angle is the included angle between the front cutter face and the rear cutter face 11 of the ceramic cutter tooth, the wedge angle has direct influence on cutting, the larger the wedge angle is, the higher the strength of a cutting part is, so the wedge angle is selected to be as small as possible under the condition of ensuring enough strength. The wedge angle referred to in the present invention is the angle formed by the rake face and the flank face 11 of the ceramic tooth, and is specifically shown in fig. 3.
The helix angle refers to the acute angle between the tangent of the cylindrical helix and the straight generatrix of the cylindrical surface passing through the tangent point. The helix angle referred to in the present invention is the angle formed between the line on which the cutting edge of the ceramic cutter tooth lies and the straight generatrix (i.e. the axis of the central axial bore 10) of the ceramic cutter of the present invention, as shown in detail in fig. 3.
The central angle generally refers to an angle between two adjacent vertices of a regular polygon and a connecting line of the centers of the two vertices, or a central angle, which is a circle with a center as a vertex and a radius as two sides. The central angle referred to in the invention is an included angle formed between two adjacent ceramic cutter teeth, and is specifically shown as 3.
The ceramic cutter can realize the cutting of wood and wood composite materials, and ensures the cutting processing precision and the reliability of the cutter. The ceramic cutter tooth edge breaking can be effectively avoided, the ceramic cutter tooth strength is improved, the service life of the ceramic cutter tooth is prolonged, the cutting surface roughness is reduced, the cutting surface quality is improved, and the cutting machining efficiency is improved.
It is to be emphasized that: the above embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any way, and all simple modifications, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention are within the scope of the technical solution of the present invention.
Claims (2)
1. A ceramic cutter comprises a cutter body and is characterized in that 8 spiral ceramic cutter tooth groups with a centrosymmetric structure are annularly arranged on the outer side of the cutter body, the central angle of each spiral ceramic cutter tooth group is 45 degrees, four ceramic cutter tooth seats are arranged in any spiral ceramic cutter tooth group side by side, and four ceramic cutter teeth are respectively and correspondingly fixed on the four ceramic cutter tooth seats;
wherein: the four ceramic cutter tooth seats are respectively a ceramic cutter tooth seat I, a ceramic cutter tooth seat II, a ceramic cutter tooth seat III and a ceramic cutter tooth seat IV, and the four ceramic cutter teeth are respectively a ceramic cutter tooth I fixed on the ceramic cutter tooth seat I, a ceramic cutter tooth II fixed on the ceramic cutter tooth seat II, a ceramic cutter tooth III fixed on the ceramic cutter tooth seat III and a ceramic cutter tooth IV fixed on the ceramic cutter tooth seat IV;
in any spiral ceramic cutter tooth group: the central angle formed by the ceramic cutter tooth I and the ceramic cutter tooth II, the central angle formed by the ceramic cutter tooth II and the ceramic cutter tooth III and the central angle formed by the ceramic cutter tooth III and the ceramic cutter tooth IV are respectively 12-14 degrees, 9-12 degrees and 5-9 degrees;
and the central angle formed by the ceramic cutter tooth I of any spiral ceramic cutter tooth group and the adjacent ceramic cutter tooth IV of another adjacent spiral ceramic cutter tooth group is 14-16 degrees;
the front angles of the four ceramic cutter teeth in any spiral ceramic cutter tooth group are respectively 5 degrees, 10 degrees, 15 degrees and 20 degrees; the back angles of the four ceramic cutter teeth are all 5 degrees; wedge angles on the four ceramic cutter teeth are respectively 80 degrees, 75 degrees, 70 degrees and 65 degrees; the spiral angles on the four ceramic cutter teeth are respectively 5 degrees, 4 degrees, 3 degrees and 2 degrees;
a plurality of comb tooth grooves perpendicular to the cutting edge of the ceramic cutter tooth I are formed in the rear cutter face of the ceramic cutter tooth I, a plurality of comb tooth grooves perpendicular to the cutting edge of the ceramic cutter tooth II are formed in the rear cutter face of the ceramic cutter tooth II, a plurality of comb tooth grooves perpendicular to the cutting edge of the ceramic cutter tooth III are formed in the rear cutter face of the ceramic cutter tooth III, and a plurality of comb tooth grooves perpendicular to the cutting edge of the ceramic cutter tooth IV are formed in the rear cutter face of the ceramic cutter tooth IV;
comb tooth grooves on the rear cutter faces of two adjacent ceramic cutter teeth in any spiral ceramic cutter tooth group are arranged in a mutually staggered manner; comb tooth grooves on the rear cutter faces of two adjacent ceramic cutter teeth in different spiral ceramic cutter tooth groups are also arranged in a mutually staggered manner;
the rear knife faces of the four ceramic knife teeth in any spiral ceramic knife tooth group are provided with oblique edges.
2. A ceramic cutting tool according to claim 1, wherein in any one of the sets of helical ceramic cutting teeth: the central angle formed by the ceramic cutter tooth I and the ceramic cutter tooth II, the central angle formed by the ceramic cutter tooth II and the ceramic cutter tooth III and the central angle formed by the ceramic cutter tooth III and the ceramic cutter tooth IV are respectively 13 degrees, 10 degrees and 7 degrees;
and the central angle formed by the ceramic cutter tooth I of any spiral ceramic cutter tooth group and the adjacent ceramic cutter tooth IV of the other adjacent spiral ceramic cutter tooth group is 15 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811305451.0A CN109397427B (en) | 2016-08-19 | 2016-08-19 | Ceramic cutter |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610697427.0A CN106272721B (en) | 2016-08-19 | 2016-08-19 | A kind of ceramics wood cutter |
| CN201811305451.0A CN109397427B (en) | 2016-08-19 | 2016-08-19 | Ceramic cutter |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610697427.0A Division CN106272721B (en) | 2016-08-19 | 2016-08-19 | A kind of ceramics wood cutter |
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| Publication Number | Publication Date |
|---|---|
| CN109397427A CN109397427A (en) | 2019-03-01 |
| CN109397427B true CN109397427B (en) | 2020-10-16 |
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| CN201811305501.5A Active CN109732717B (en) | 2016-08-19 | 2016-08-19 | Spiral ceramic cutter tooth structure |
| CN201610697427.0A Active CN106272721B (en) | 2016-08-19 | 2016-08-19 | A kind of ceramics wood cutter |
| CN201811305451.0A Active CN109397427B (en) | 2016-08-19 | 2016-08-19 | Ceramic cutter |
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| CN201811305501.5A Active CN109732717B (en) | 2016-08-19 | 2016-08-19 | Spiral ceramic cutter tooth structure |
| CN201610697427.0A Active CN106272721B (en) | 2016-08-19 | 2016-08-19 | A kind of ceramics wood cutter |
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| CN109732718B (en) * | 2018-09-11 | 2024-05-24 | 蓝帜(中国)刀具系统有限公司 | Multifunctional woodworking milling cutter for milling edges of veneer shaving board |
| CN114951832B (en) * | 2022-06-30 | 2024-04-23 | 深圳市中孚能电气设备有限公司 | Cutter assembly |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE559577C (en) * | 1929-08-08 | 1932-09-21 | Eclipse Aviat Corp | Electrical shielding of spark plugs |
| CN1929976A (en) * | 2004-01-20 | 2007-03-14 | 圆刨锯有限公司 | Circular plane saw |
| CN201168987Y (en) * | 2008-03-25 | 2008-12-24 | 姜岳卿 | Woodworking tool |
| RU125502U1 (en) * | 2012-07-19 | 2013-03-10 | Черкашин Валентин Павлович | ENHANCED END MILL |
| CN103624856A (en) * | 2013-12-18 | 2014-03-12 | 蓝帜（南京）工具有限公司 | Scraper for processing concave profile of wood and plastic sheet materials |
| CN104889466A (en) * | 2015-06-11 | 2015-09-09 | 山东大学 | Integral full-ceramic super dense-tooth three-edge milling cutter and manufacturing method thereof |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2830109C2 (en) * | 1978-07-08 | 1981-12-10 | Franken Fabrik für Präzisionswerkzeuge und Präzisionsteile Richard Voigt Nachf., 8501 Rückersdorf | Hob for roughing and finishing a gear tooth system |
| DE3924714A1 (en) * | 1988-07-28 | 1990-02-22 | Howema Gmbh Wittenborn & Edel | Mechanism for machining wood panel edge faces - has tool with cutter edges, arranged in circular conical surface with specified sharp angle |
| FR2688160B1 (en) * | 1992-03-06 | 1995-06-16 | Guilliet Sa Ets | MACHINING DEVICE FOR A WOOD WORKING MACHINE AND MACHINE COMPRISING SUCH A DEVICE. |
| CN2829942Y (en) * | 2005-09-30 | 2006-10-25 | 长安汽车（集团）有限责任公司 | Lathe tool for working Mg alloy workpiece |
| CN101961800A (en) * | 2010-10-26 | 2011-02-02 | 南京林业大学 | High-speed steel circular saw blade |
| PL2484471T3 (en) * | 2011-02-02 | 2014-01-31 | Ledermann Gmbh & Co Kg | Machining tool |
| DE102012019801A1 (en) * | 2012-10-10 | 2014-04-10 | Hufschmied Zerspanungssysteme Gmbh | Cutting tool for machining and method for repairing a component made of fiber-reinforced plastic |
| CN204935813U (en) * | 2015-08-24 | 2016-01-06 | 重庆佐恩家具有限公司 | Timber cast-cutting saw slice |
| CN205889416U (en) * | 2016-08-19 | 2017-01-18 | 南京林业大学 | Novel ceramic wood cutting tool |
-
2016
- 2016-08-19 CN CN201811305501.5A patent/CN109732717B/en active Active
- 2016-08-19 CN CN201610697427.0A patent/CN106272721B/en active Active
- 2016-08-19 CN CN201811305451.0A patent/CN109397427B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE559577C (en) * | 1929-08-08 | 1932-09-21 | Eclipse Aviat Corp | Electrical shielding of spark plugs |
| CN1929976A (en) * | 2004-01-20 | 2007-03-14 | 圆刨锯有限公司 | Circular plane saw |
| CN201168987Y (en) * | 2008-03-25 | 2008-12-24 | 姜岳卿 | Woodworking tool |
| RU125502U1 (en) * | 2012-07-19 | 2013-03-10 | Черкашин Валентин Павлович | ENHANCED END MILL |
| CN103624856A (en) * | 2013-12-18 | 2014-03-12 | 蓝帜（南京）工具有限公司 | Scraper for processing concave profile of wood and plastic sheet materials |
| CN104889466A (en) * | 2015-06-11 | 2015-09-09 | 山东大学 | Integral full-ceramic super dense-tooth three-edge milling cutter and manufacturing method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106272721B (en) | 2019-01-29 |
| CN106272721A (en) | 2017-01-04 |
| CN109732717A (en) | 2019-05-10 |
| CN109397427A (en) | 2019-03-01 |
| CN109732717B (en) | 2021-02-26 |
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