CN103963089A - Belt cutting wheel - Google Patents
Belt cutting wheel Download PDFInfo
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- CN103963089A CN103963089A CN201410148829.6A CN201410148829A CN103963089A CN 103963089 A CN103963089 A CN 103963089A CN 201410148829 A CN201410148829 A CN 201410148829A CN 103963089 A CN103963089 A CN 103963089A
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- belt
- blade
- cutting
- cutting wheel
- cutting edge
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Abstract
The invention discloses a belt cutting wheel used for cutting a triangular belt. The belt cutting wheel comprises two disc-shaped base bodies which are detachable and capable of rotating around axes. Each base body comprises a mounting portion located on the outer side in the radial direction and an assembling portion located on the inner side in the radial direction, the mounting portions of the two base bodies are separated in the axial direction, a plurality of accommodating portions used for mounting blades are arranged on the inner sides, corresponding in the axial direction, of the mounting portions of the base bodies respectively, each accommodating portion comprises a mounting face used for mounting the blade, a plurality of thin plate type blades used for cutting the triangular belt are arranged on the accommodating portions and are mounted on the mounting faces through fastening elements, each blade comprises a cutting edge used for cutting the triangular belt, and the radial rake angle of each cutting edge is within the range of -36 degrees to -76 degrees.
Description
Technical field
The present invention relates to a kind of belt cutting wheel, relate in particular to a kind of for cutting the belt cutting wheel of side, V-belt.
Background technology
Auto industry or other industrial machinery fields are used belt conventionally, for example V--belt Drive relevant device.In the manufacture process of belt, conventionally first manufacture the rubber bush of tubular, then sleeve edge is circumferentially cut into several elongated belts.The cross section of the belt cutting out is generally rectangle, re-uses two sides of emery wheel polishing belt, makes it have inclined side, and cross section becomes trapezoidally, has 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 conventionally, as diamond dust, high rigidity carbon steel etc., by intensive abrasive particle polishing belt side, make belt side become inclined-plane from vertical plane, and then make V-belt.There are multiple shortcomings but grind belt by emery wheel.First, the abrasive dust producing is easily deposited between abrasive particle, be difficult for discharging between the abrasive particle of emery wheel, and then affect follow-up grinding progress, for broken belt end is discharged, and reduce the temperature of emery wheel, need in grinding process, implement the operation of suspending, and then extended grinding time of each belt, reduce production efficiency; The second, in the time of grinding belt, emery wheel rotating speed is higher, and emery wheel and belt produce sliding friction, the heat the producing broken end of belt of easily igniting, initiation fire; The 3rd, described broken last small volume, weight is lighter, is not easy to collect, and makes the dust of grinding step more, pollutes; The 4th, the cotton rope that is exposed to belt surface easily produces burr because grind, and in use, the burr of cotton rope are easily pullled by belt wheel, and 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, a kind of new belt cutting wheel is provided, this belt cutting wheel arranges blade in the position correspondence for cutting belt side, by set blade cut belt side, and then forms the belt that side is inclined-plane.As No. 3685828 patent of Japanese Patent discloses, cutting tool forms the blade of cutting belt in the both sides of belt, with reference to description and in conjunction with Fig. 3 (a) and Fig. 3 (c), the included angle A of cutting edge projection vertically and radius is about 5 degree, and the sword plate 14 radially included angle B of projection and axis is about 40 degree.This cutter is in cutting when belt because included angle A is less, so cutting edge for the effect of belt more close to cutting, when cutting, sword plate is larger for the impact of belt; Because included angle B is less, so cutting edge cuts belt to approach perpendicular to the direction of belt, the mode that cutting edge acts on belt approaches scraping, 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, it has improved structure 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, makes belt cutting 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, be used for cutting V-belt, comprise two removable, and the discoid matrix that can rotate around axis, each matrix comprises the department of assembly of installation portion and the radially inner side of radial outside, the installation portion of two matrixes is axially being spaced from each other, the installation portion of two matrixes is respectively arranged with some for the resettlement section of blade is installed in axial corresponding inner side, resettlement section comprises the installed surface for blade is installed, on resettlement section, be provided with some for cutting the sheet-type blade of 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 to select to have the belt cutting wheel of suitable radial rake blade, more smooth and easy can make blade incision V-belt time, more laborsaving when cutting, extends the service life of blade.
Preferably, linearly or arc, when cutting edge initially contacts with V-belt, 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 in the time of cutting V-belt, has at least a blade to act on V-belt to be cut on each matrix.
Preferably, the knife number on each matrix is 20.
Preferably, around the part of installed surface, be provided with the locating surface matching with insert shape, match restriction blade position with installed surface, on blade, be provided with installing hole, on the installed surface of matrix, be provided with screw, screw secures to blade through installing hole the screw of installed surface.
Preferably, blade is provided with for blade being arranged on to the binding face of resettlement section installed surface and the back plane relative with binding face, back plane tilts with respect to the datum level vertical with axis, and back plane and datum level angle number of degrees scope are arbitrarily angled between 3 ° to 45 °.
Preferably, the number of degrees scope of back plane and datum level angle is arbitrarily angled between 8 ° to 30 °.
Preferably, back plane and datum level angle are 13 °.
Brief description of the drawings
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 of the cutting of member shown in Fig. 3 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, one belt cutting wheels 100, this belt cutting wheel 100 is for cutting belt 20, the V-belt 20 that is inclined plane in particular for cutting belt 20 sides, 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 matrixes 1 that can rotate around axis X, in the form of annular discs, is provided with some for cutting the blade 2 of belt on matrix 1.Two matrixes 1 comprise the department of assembly 17 of installation portion 10 and the radially inner side of radial outside, the installation portion 10 of two matrixes 1 is spaced from each other at axial direction, so that blade 2 and cutting V-belt 20 are installed, the installation portion 10 of any matrix 1 is respectively arranged with some for the resettlement section 11 of blade 2 is installed in axial corresponding inner side, resettlement section 11 is arranged on the outside of matrix 1 in radial direction.Resettlement section 11 comprises the installed surface 12 for blade 2 is installed.Around installed surface 12, be provided with the locating surface 13 matching with blade 2 profiles, locating surface 13 can match with installed surface 12 and limit blade 2, blade 2 is not produced on installed surface 12 and slide or rotate.In an embodiment, also can fixed blade 2 be installed in conjunction with other fixed forms, for example, by tightening member, blade 2 be fixed in resettlement section 11.Concrete, on blade 2, be provided with at least one installing hole 22, on the installed surface 12 of matrix 1, be provided with a screw 14 simultaneously, blade 2 is mounted to after installed surface 12, at least one screw 15 secures to the screw 14 of installed surface 12 through installing hole 22, in conjunction with aforementioned installed surface 12 and locating surface 13, blade 2 is stably fixed in resettlement section 11.This combination is simple in structure, and stability is better, mount and dismount all very convenient, convenient operation.In other embodiments, also can only use tightening member, and without locating surface 13 is set, 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 initially contacts with belt 20, cutting edge 21 is tangent with the edge of V-belt 20, cutting edge 21 is the incision V-belt 20 of sliding in the time of initial contact V-belt 20, and non-blade port 21 bearing of trends are mutually vertical with V-belt 20 directions of motion, it is more smooth and easy when such design makes blade 2 cut V-belt 20, when cutting, pressure is larger, more laborsaving, the service life of prolongation blade 2, also less for the impact of V-belt 20.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 comprises binding face 23 for fitting with installed surface 12 and the back plane 24 relative with binding face 23, described back plane 24 with respect to binding face 23 away from installed surface 12.Described back plane 24 tilts with respect to the datum level vertical with rotation X 16, the angle number of degrees scope of back plane 24 and datum level 16 is arbitrarily angled between 3 ° to 45 °, be preferably arbitrarily angled between 8 ° to 30 °, in optimum embodiment, the two angle is 13 °.In the time that angle exceeds aforementioned range of choice, taking extreme 90 ° as example, the cutting edge 21 of blade 2 can be swiped on the surface of 20 sides, V-belt, instead of cutting.In the time that angle is in OK range, blade 2 can better cut V-belt 20, equal 45 ° as example taking angle, the suffered power of described blade 21 can be decomposed into circumferential decomposing force and axial decomposing force, in the time that described angle is 45 °, the suffered power of blade 21 along the circumferential decomposing force of back plane 24 directions with close along the axial decomposing force of tightening member bearing of trend; In the time that 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 suffered axial impact of the tightening member of blade 2 becomes large, is unfavorable for fixing for blade 2 of tightening member.
Ginseng Fig. 3 and Fig. 4, in the present invention, the blade 2 on each matrix 1 is preferably provided with 20, can certainly be according to the quantity of the factor such as diameter, the size of the blade 2 increase and decrease blade 2 of the diameter of discoid matrix 1, belt pulley that V-belt 20 is wound around 3.The selection of blade 2 quantity is according to being: belt cutting wheel 100 is in the time of cutting V-belt 20, on each matrix 1, have at least a blade 2 to act on V-belt 20 to be cut, V-belt 20 is subject to the active force of belt cutting wheel 100 all the time, ensure the continuity of belt cutting wheel 100 for V-belt to be cut 20 active forces, reduced or reduced the impact of belt cutting wheel 100 to V-belt 20.Described blade is multiple independently blades 2, changes, but not replaces all blades 2, and then can extend the service life of single blade 2 when one or several blade 2 excessive wear therein or while damage, has reduced production cost.In the present invention, blade 2 quantity on two matrixes 1 equate, and are symmetrical arranged, and the active force that acts on 20 both sides, V-belt to be cut is identical, avoided working angles intermediate cam band 20 because of the cutting that one-sided stress deformation causes unstable.
With reference to figure 2, the axial rake C of the cutting edge 21 of blade 2 is-72, in other embodiments, can adjust the angle of axial rake C to produce the V-belt with different angles inclined plane, has strengthened the applicability of belt cutting wheel 100.
To sum up, the belt cutting wheel 100 in the present invention, by selecting the different angles of blade 2 and cutting edge 21, is realized the better cutting to V-belt 20, has promoted operating efficiency, and compared to grinding, the operating efficiency of machining is high; Machining has reduced the generation of heat, and the waste material that cutting produces is sheet, greatly reduces fire risk; Sheet waste material volume is larger simultaneously, is convenient to the collection and treatment of waste material in follow-up work.
Claims (10)
1. a belt cutting wheel, be used for cutting V-belt, comprise two removable, and the discoid matrix that can rotate around axis, described each matrix comprises the department of assembly of installation portion and the radially inner side of radial outside, 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 for the resettlement section of blade is installed in axial corresponding inner side, described resettlement section comprises the installed surface for blade is installed, on resettlement section, be provided with some for cutting the sheet-type blade of 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 initially contacts with V-belt, 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 in the time of cutting V-belt, has at least a blade to act on V-belt to be cut on each matrix.
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: around the part of installed surface, be provided with the locating surface matching with insert shape, match restriction blade position with installed surface, on described blade, be provided with installing hole, on the installed surface of matrix, be provided with screw, screw secures to blade through described installing hole the screw of described installed surface.
8. belt cutting wheel as claimed in claim 1, it is characterized in that: described blade is provided with binding face and the back plane relative with described binding face for blade being arranged on to described resettlement section installed surface, back plane tilts with respect to the datum level vertical with axis, and back plane and datum level angle number of degrees scope are arbitrarily angled between 3 ° to 45 °.
9. belt cutting wheel as claimed in claim 8, is characterized in that: the number of degrees scope 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 true CN103963089A (en) | 2014-08-06 |
| CN103963089B CN103963089B (en) | 2015-11-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410148829.6A Active CN103963089B (en) | 2014-04-15 | 2014-04-15 | Belt cutting wheel |
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Citations (6)
| 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 |
| 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1183390A1 (en) * | 1983-09-28 | 1985-10-07 | Предприятие П/Я Р-6455 | Device for cutting out belts from vulcanized rolled-up stock |
-
2014
- 2014-04-15 CN CN201410148829.6A patent/CN103963089B/en active Active
Patent Citations (6)
| 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 |
| 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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| CN103963089B (en) | 2015-11-25 |
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