CN103963089B - Belt cutting wheel - Google Patents
Belt cutting wheel Download PDFInfo
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- CN103963089B CN103963089B CN201410148829.6A CN201410148829A CN103963089B CN 103963089 B CN103963089 B CN 103963089B CN 201410148829 A CN201410148829 A CN 201410148829A CN 103963089 B CN103963089 B CN 103963089B
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Abstract
Present invention is disclosed a kind of belt cutting wheel, for cutting V-belt, comprise two removable, and the disc-shaped shank that can rotate about the axis, described each matrix comprises the installation portion of radial outside and the department of assembly of radially inner side, the installation portion of described two matrixes is axially being spaced from each other, the installation portion of described two matrixes is respectively arranged with some resettlement sections for installing blade in axial corresponding inner side, described resettlement section comprises the installed surface for installing blade, resettlement section is provided with some sheet-type blades for cutting V-belt, described blade is installed on installed surface by tightening member, described blade comprises the cutting edge for cutting V-belt, the angular range of wherein said cutting edge radial rake is-36 ° to-76 °.
Description
Technical field
The present invention relates to a kind of belt cutting wheel, particularly relating to a kind of belt cutting wheel for cutting side, V-belt.
Background technology
Auto industry or other field of industrial machinery use belt usually, such as V--belt Drive relevant device.In the manufacture process of belt, usually first manufacture the rubber bush of tubular, then sleeve is circumferentially cut into several elongated belts.The cross section of the belt cut out is generally rectangle, and re-use two sides of emery wheel polishing belt, make it have inclined side, namely cross section becomes trapezoidal, has namely made common V-belt.
Aforementioned emery wheel is generally disc, is made into preset shape at the circumferencial direction of outer rim, and the surface of outer rim arranges tiny abrasive particle usually, as diamond dust, high rigidity carbon steel etc., by intensive abrasive finishing process belt side, make belt side become inclined-plane from vertical plane, and then make V-belt.But grind belt by emery wheel there is multiple shortcoming.First, the abrasive dust produced easily is deposited between abrasive particle, not easily discharge between the abrasive particle of emery wheel, and then affect follow-up grinding progress, in order to be discharged at broken for belt end, and reduce the temperature of emery wheel, need the operation implementing to suspend in grinding process, and then extend the grinding time of each belt, reduce production efficiency; The second, when grinding belt, emery wheel rotating speed is higher, and emery wheel and belt produce sliding friction, and the heat produced easily ignites the broken end of belt, initiation fire; 3rd, described broken last small volume, lighter in weight, is not easy to collect, makes the dust of grinding step more, pollute; 4th, the cotton rope being exposed to belt surface easily produces burr because of grinding, and in use, the burr of cotton rope are easily pullled by belt wheel, whole piece cotton rope is separated from the rubber of belt, and then causes belt to lose efficacy.
For the defect of above-mentioned abrasive type emery wheel, provide a kind of new belt cutting wheel, this belt cutting wheel arranges blade in the position correspondence for cutting belt side, and by set blade cut belt side, and then formation side is the belt on inclined-plane.As Japanese Patent No. 3685828 patent disclose, cutting tool forms the blade cutting belt in the both sides of belt, with reference to description composition graphs 3 (a) and Fig. 3 (c), cutting edge projects vertically and is about 5 degree with the included angle A of radius, and sword plate 14 radially projects and is about 40 degree with the included angle B of axis.This cutter when cutting belt because included angle A is less, thus cutting edge for the effect of belt more close to cutting, during cutting, sword plate is larger for the impact of belt; Because included angle B is less, so cutting edge is to cut belt close to the direction perpendicular to belt, cutting edge acts on the close scraping of mode on belt, so cutting effect is still poor, the belt surface fineness of making is poor, easily produces burr.
In sum, be necessary to provide a kind of novel belt cutting wheel, its structure with improvement is to overcome the defect of existing belt cutting wheel.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of new belt cutting wheel, belt is cut more smooth and easy, laborsaving.
In order to solve the problems of the technologies described above, the invention provides a kind of belt cutting wheel, for cutting V-belt, comprise two removable, and the disc-shaped shank that can rotate about the axis, each matrix comprises the installation portion of radial outside and the department of assembly of radially inner side, the installation portion of two matrixes is axially being spaced from each other, the installation portion of two matrixes is respectively arranged with some resettlement sections for installing blade in axial corresponding inner side, resettlement section comprises the installed surface for installing blade, resettlement section is provided with some sheet-type blades for cutting V-belt, blade is installed on installed surface by tightening member, blade comprises the cutting edge for cutting V-belt, wherein the angular range of cutting edge radial rake is-36 ° to-76 °.
Beneficial effect of the present invention is the belt cutting wheel selecting to have suitable radial rake blade, more smooth and easy when blade can be made to cut V-belt, more laborsaving during cutting, extends service life of blade.
Preferably, linearly or arc, when cutting edge and V-belt initial contact, the edge of cutting edge and V-belt is tangent for cutting edge.
Preferably, the angular range of cutting edge radial rake is-46 ° to-66 °.
Preferably, the angle of cutting edge radial rake is-56 °.
Preferably, the knife number on two matrixes is equal, and is symmetrical arranged, and when cutting V-belt, each matrix has at least a blade act on V-belt to be cut.
Preferably, the knife number on each matrix is 20.
Preferably, the portion of installed surface be provided with match with insert shape, matching with installed surface limits the locating surface of blade position, blade is provided with installing hole, the installed surface of matrix is provided with screw, blade is secured to the screw of installed surface through installing hole by screw.
Preferably, blade is provided with binding face for blade being arranged on resettlement section installed surface and the back plane relative with binding face, back plane tilts relative to the datum level with axes normal, and back plane and datum level angle range of degrees are arbitrarily angled between 3 ° to 45 °.
Preferably, the range of degrees of back plane and datum level angle is arbitrarily angled between 8 ° to 30 °.
Preferably, back plane and datum level angle are 13 °.
Accompanying drawing explanation
Fig. 1 is the perspective exploded view of belt cutting wheel.
Fig. 2 is the schematic side view of belt cutting wheel.
Fig. 3 is the cross-sectional schematic along III-III line in Fig. 2.
Fig. 4 is the schematic diagram that component shown in Fig. 3 cuts belt.
Detailed description of the invention
Below in conjunction with accompanying drawing detailed introduce the specific embodiment of the present invention.
Referring to figs. 1 to 4, a belt cutting wheel 100, this belt cutting wheel 100, for cutting belt 20, is the V-belt 20 of inclined plane in particular for cutting belt 20 side, and belt cutting wheel 100 is substantially in the form of annular discs and can rotate around axis X.
Ginseng Fig. 1, belt cutting wheel 100 comprises two removable and can rotate around axis X, matrixes 1 in the form of annular discs, matrix 1 is provided with some blades 2 for cutting belt.Two matrixes 1 comprise the installation portion 10 of radial outside and the department of assembly 17 of radially inner side, the installation portion 10 of two matrixes 1 is spaced from each other at axial direction, so that install blade 2 and cut V-belt 20, the installation portion 10 of any one matrix 1 is respectively arranged with some resettlement sections 11 for installing blade 2 in axial corresponding inner side, and resettlement section 11 is arranged on the outside of matrix 1 in radial direction.Resettlement section 11 comprises the installed surface 12 for installing blade 2.Around installed surface 12, be provided with the locating surface 13 matched with blade 2 profile, locating surface 13 can match with installed surface 12 and limit blade 2, blade 2 is not produced on installed surface 12 and slides or rotate.In an embodiment, also in conjunction with other fixed forms, fixed blade 2 can be installed, such as, by tightening member, blade 2 be fixed in resettlement section 11.Concrete, blade 2 is provided with at least one installing hole 22, the installed surface 12 of simultaneously matrix 1 is provided with a screw 14, after blade 2 is mounted to installed surface 12, at least one screw 15 secures to the screw 14 of installed surface 12 through installing hole 22, be stably fixed in resettlement section 11 by blade 2 in conjunction with aforementioned installed surface 12 and locating surface 13.This combination structure is simple, and stability is better, and installation and removal are all very convenient, convenient operation.In other embodiments, also only can use tightening member, and without the need to arranging locating surface 13, not repeat one by one at this.
Referring to figs. 1 to Fig. 4, blade 2 is sheet-type, cutting edge 21 linearly or arc, when cutting edge 21 and belt 20 initial contact, cutting edge 21 is tangent with the edge of V-belt 20, then cutting edge 21 is incision V-belts 20 of sliding when initial contact V-belt 20, and non-blade port 21 bearing of trend is mutually vertical with V-belt 20 direction of motion, it is more smooth and easy when such design makes blade 2 cut V-belt 20, during cutting, pressure is larger, more laborsaving, extend the service life of blade 2, the impact for V-belt 20 is also less.The angular range of cutting edge 21 radial rake A is-36 ° to-76 °, and preferable range is-46 ° to-66 °, and wherein preferred value is-56 °.
Blade 2 comprise for the binding face 23 that installed surface 12 fits and the back plane 24 relative with binding face 23, described back plane 24 relative to binding face 23 away from installed surface 12.Described back plane 24 tilts relative to the datum level 16 vertical with rotation X, the angle range of degrees of back plane 24 and datum level 16 is arbitrarily angled between 3 ° to 45 °, what be preferably between 8 ° to 30 ° is arbitrarily angled, and in optimum embodiment, the two angle is 13 °.When angle exceeds aforementioned range of choice, for extreme 90 °, then the cutting edge 21 of blade 2 can be swiped on the surface of side, V-belt 20, instead of cuts.When angle is in OK range, blade 2 can better cut V-belt 20,45 ° are equaled for angle, power suffered by described blade 21 can be analyzed to circumferential decomposing force and axial decomposing force, when described angle is 45 °, the circumferential decomposing force along back plane 24 direction of the power suffered by blade 21 is close with the axial decomposing force along tightening member bearing of trend; When angle is greater than 45 °, described circumferential decomposing force is less than axial decomposing force, and the stock-removing efficiency of belt cutting wheel 100 reduces, and the axial impact suffered by the tightening member of blade 2 becomes large, is unfavorable for tightening member fixing for blade 2.
Ginseng Fig. 3 and Fig. 4, in the present invention, the blade 2 on each matrix 1 is preferably provided with 20, can certainly according to the diameter of disc-shaped shank 1, V-belt 20 is wound around the factor such as the diameter of belt pulley 3, the size of blade 2 and increases and decreases the quantity of blade 2.The selection gist of blade 2 quantity is: belt cutting wheel 100 is when cutting V-belt 20, each matrix 1 have at least a blade 2 act on V-belt 20 to be cut, then V-belt 20 is subject to the active force of belt cutting wheel 100 all the time, ensure that the continuity of belt cutting wheel 100 for V-belt 20 to be cut active force, reduce or reduce the impact of belt cutting wheel 100 pairs of V-belts 20.Described blade is multiple independently blades 2, can one or several blade 2 excessive wear wherein time or the time of damage change, and all blades 2 of non-replaced, and then can extend the service life of single blade 2, reduce production cost.In the present invention, blade 2 quantity on two matrixes 1 is equal, and is symmetrical arranged, then the active force acting on both sides, V-belt 20 to be cut is identical, avoids the cutting instability that working angles intermediate cam band 20 causes because of one-sided stress deformation.
With reference to figure 2, the axial rake C of the cutting edge 21 of blade 2 is-72, and in other embodiments, the angle that can adjust axial rake C, to produce the V-belt with different angles inclined plane, enhances the applicability of belt cutting wheel 100.
To sum up, the belt cutting wheel 100 in the present invention is by selecting the different angles of blade 2 and cutting edge 21, and realize, to the better cutting of V-belt 20, improving operating efficiency, compared to grinding, the operating efficiency of machining is high; Machining decreases the generation of heat, and cutting the waste material produced is sheet, greatly reduces fire risk; Flake waste volume is comparatively large simultaneously, is convenient to the collection process of waste material in follow-up work.
Claims (10)
1. a belt cutting wheel, for cutting V-belt, comprise two removable, and the disc-shaped shank that can rotate about the axis, each described matrix comprises the installation portion of radial outside and the department of assembly of radially inner side, the installation portion of two described matrixes is axially being spaced from each other, the installation portion of two described matrixes is respectively arranged with some resettlement sections for installing blade in axial corresponding inner side, described resettlement section comprises the installed surface for installing blade, resettlement section is provided with some sheet-type blades for cutting V-belt, described blade is installed on installed surface by tightening member, described blade comprises the cutting edge for cutting V-belt, it is characterized in that: the angular range of described cutting edge radial rake is-36 ° to-76 °.
2. belt cutting wheel as claimed in claim 1, is characterized in that: linearly or arc, when cutting edge and V-belt initial contact, the edge of cutting edge and V-belt is tangent for described cutting edge.
3. belt cutting wheel as claimed in claim 1 or 2, is characterized in that: the angular range of described cutting edge radial rake is-46 ° to-66 °.
4. belt cutting wheel as claimed in claim 1 or 2, is characterized in that: the angle of described cutting edge radial rake is-56 °.
5. belt cutting wheel as claimed in claim 1, is characterized in that: the knife number on two matrixes is equal, and is symmetrical arranged, and when cutting V-belt, each matrix has at least a blade act on V-belt to be cut.
6. belt cutting wheel as claimed in claim 5, is characterized in that: the knife number on each matrix is 20.
7. belt cutting wheel as claimed in claim 1, it is characterized in that: the portion of installed surface be provided with match with insert shape, matching with installed surface limits the locating surface of blade position, described blade is provided with installing hole, the installed surface of matrix is provided with screw, and blade is secured to the screw of described installed surface through described installing hole by screw.
8. belt cutting wheel as claimed in claim 1, it is characterized in that: described blade is provided with binding face for blade being arranged on described resettlement section installed surface and the back plane relative with described binding face, back plane tilts relative to the datum level with axes normal, and back plane and datum level angle range of degrees are arbitrarily angled between 3 ° to 45 °.
9. belt cutting wheel as claimed in claim 8, is characterized in that: the range of degrees of described back plane and datum level angle is arbitrarily angled between 8 ° to 30 °.
10. belt cutting wheel as claimed in claim 8, is characterized in that: described back plane and datum level angle are 13 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410148829.6A CN103963089B (en) | 2014-04-15 | 2014-04-15 | Belt cutting wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410148829.6A CN103963089B (en) | 2014-04-15 | 2014-04-15 | Belt cutting wheel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103963089A CN103963089A (en) | 2014-08-06 |
| CN103963089B true CN103963089B (en) | 2015-11-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410148829.6A Active CN103963089B (en) | 2014-04-15 | 2014-04-15 | Belt cutting wheel |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4534102A (en) * | 1981-05-26 | 1985-08-13 | Hetz G Brian | Method of making polymeric belt cutting apparatus |
| SU1183390A1 (en) * | 1983-09-28 | 1985-10-07 | Предприятие П/Я Р-6455 | Device for cutting out belts from vulcanized rolled-up stock |
| JPS62199319A (en) * | 1986-02-26 | 1987-09-03 | Bando Chem Ind Ltd | Manufacture of v ribbed belt |
| JPH08164568A (en) * | 1994-12-14 | 1996-06-25 | Bando Chem Ind Ltd | V-shape cutting device of low edge v-belt |
| EP2015907B1 (en) * | 2006-02-24 | 2010-01-06 | Arntz Beteiligungs GmbH & Co. KG | Rotationally drivable cutting or milling tool and method for producing driving and conveyor belts |
| CN202344006U (en) * | 2011-11-17 | 2012-07-25 | 天津欧波精密仪器股份有限公司 | Dual-blade disc milling cutter with stepped table |
| CN203831467U (en) * | 2014-04-15 | 2014-09-17 | 盖茨优霓塔传动系统(苏州)有限公司 | Belt cutting wheel |
-
2014
- 2014-04-15 CN CN201410148829.6A patent/CN103963089B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4534102A (en) * | 1981-05-26 | 1985-08-13 | Hetz G Brian | Method of making polymeric belt cutting apparatus |
| SU1183390A1 (en) * | 1983-09-28 | 1985-10-07 | Предприятие П/Я Р-6455 | Device for cutting out belts from vulcanized rolled-up stock |
| JPS62199319A (en) * | 1986-02-26 | 1987-09-03 | Bando Chem Ind Ltd | Manufacture of v ribbed belt |
| JPH08164568A (en) * | 1994-12-14 | 1996-06-25 | Bando Chem Ind Ltd | V-shape cutting device of low edge v-belt |
| EP2015907B1 (en) * | 2006-02-24 | 2010-01-06 | Arntz Beteiligungs GmbH & Co. KG | Rotationally drivable cutting or milling tool and method for producing driving and conveyor belts |
| CN202344006U (en) * | 2011-11-17 | 2012-07-25 | 天津欧波精密仪器股份有限公司 | Dual-blade disc milling cutter with stepped table |
| CN203831467U (en) * | 2014-04-15 | 2014-09-17 | 盖茨优霓塔传动系统(苏州)有限公司 | Belt cutting wheel |
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| CN103963089A (en) | 2014-08-06 |
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