CN104295665B - A kind of high moment of torsion Timing Belt preparation method - Google Patents
A kind of high moment of torsion Timing Belt preparation method Download PDFInfo
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- CN104295665B CN104295665B CN201410628747.1A CN201410628747A CN104295665B CN 104295665 B CN104295665 B CN 104295665B CN 201410628747 A CN201410628747 A CN 201410628747A CN 104295665 B CN104295665 B CN 104295665B
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- mould
- hole
- tooth
- elastomeric material
- pad
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16G—BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSES; CHAINS; FITTINGS PREDOMINANTLY USED THEREFOR
- F16G1/00—Driving-belts
- F16G1/28—Driving-belts with a contact surface of special shape, e.g. toothed
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16G—BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSES; CHAINS; FITTINGS PREDOMINANTLY USED THEREFOR
- F16G1/00—Driving-belts
- F16G1/06—Driving-belts made of rubber
- F16G1/08—Driving-belts made of rubber with reinforcement bonded by the rubber
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16G—BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSES; CHAINS; FITTINGS PREDOMINANTLY USED THEREFOR
- F16G1/00—Driving-belts
- F16G1/06—Driving-belts made of rubber
- F16G1/08—Driving-belts made of rubber with reinforcement bonded by the rubber
- F16G1/10—Driving-belts made of rubber with reinforcement bonded by the rubber with textile reinforcement
Abstract
A preparation method for high moment of torsion Timing Belt, described Timing Belt has annular belt body, and described annular belt body comprises: be equidistantly arranged with multiple band teeth (94) along the inner peripheral surface of described annular belt body; Described with tooth surface on the coated stretchy nylon cloth (93) with anti-wear performance; The core rope (92) laying along the circumferential direction of described annular belt body in described annular belt body inside, and carry on the back (91) at described core rope (92) back side by the coated band of the sizing material with bending property.
Description
Technical field
The present invention relates to Timing Belt field, the high moment of torsion Timing Belt of especially a kind of S3M preparation method.
Background technology
In recent years, along with the development of machinery industry, people, in order to reduce equipment volume, need height to someThe transmission system of moment of torsion replaces V band with synchronously bringing, again because transmission speed ratio is larger, with conventional S5MBelt is because belt pitch is too large, and whole drive system structure is excessive, causes whole equipment volume excessive, becomesThis is too high, can not be accepted by market. Conventional S3M belt, is mainly used in requiring that noise is low, light loadIn the middle of the transmission system of transmission, often there is tooth portion wear phenomenon in the occasion of some high moment of torsion runnings, obtain notTo the accreditation in market.
Summary of the invention
The present invention aims to provide the preparation method of the Timing Belt that a kind of preparation technology is simple and economic, and its tooth portionThere is good wearability and stronger shearing force.
In the present invention, a kind of preparation method of high moment of torsion Timing Belt, described Timing Belt has annular belt body, instituteStating annular belt body comprises: be equidistantly arranged with multiple band teeth along the inner peripheral surface of described annular belt body; At described bandThe stretchy nylon cloth with anti-wear performance being coated on tooth surface; In described annular belt body inside along described annularThe core rope that the circumferential direction of belt body is laid, and coated by the sizing material with bending property at the described core rope back sideThe band back of the body;
The method of the invention comprises the following steps: rubber composition to carry out mixing, obtains mixing sizing material→ obtained a mixing sizing material part is made to rubber cement for stretchy nylon cloth is carried out to impregnation, therebyBe made into cloth cover, a part is rolled into desired thickness, obtains film → in mould assembling → after assemblingMould on be inserted in described cloth cover, coiling, film is attached on the mould after coiling → sulfuration →Be ground to desired thickness → cutting, to obtain the Timing Belt of required width.
According to a further aspect in the invention, a kind of moulding of belt and cutting method, used a kind of mould,Wherein, the quantity of described mould is multiple, and each described mould is cylindrical, its excircleOn face, be provided with axially extended mould teeth groove, be used to form the band tooth on described Timing Belt, centre is axialThrough hole, is also provided with axle in the wall thickness between described axially extending bore and the outer circumference surface of each described mouldTo the fastening through-hole of extending and location blind hole, the quantity of fastening through-hole is multiple and even in a circumferential directionDistribute, the quantity of location blind hole is two and relative on diameter;
Described method is also used elastomeric material pad and elastomeric material pad broaching cutters;
Described elastomeric material pad is annular, is provided with at upwards equally distributed multiple pad through hole and directly of weekProtrude two location relative on footpath, and protrude for coordinating with described location blind hole, at described circle described locationInner periphery place on the tabular surface of the both sides of annular is provided with axial outwardly circumference from described tabular surfaceFlange, the centre of point described elastomeric material pad is pad through hole, described pad through hole connects the institute on the tabular surface of both sidesState the body of circumferential flange and described annular;
On the inner periphery of described elastomeric material pad broaching cutters, be formed with broaching tooth;
In the step of mould assembling, by sandwiched described elastomeric material pad between multiple described moulds,The location protrusion of described elastomeric material pad is coordinated, described circumference with the described location blind hole on mouldThe outer circumference surface of flange coordinates with the axially extending bore inwall of mould, and pad through hole and mould is tightGu through-hole alignment, and with turnbuckle through described fastening through-hole and described pad through hole and use tightening nutFastening, now, described elastomeric material pad is compressed; Afterwards, utilize elastomeric material pad broaching cutters to be pulled through groupMould after dress, thus the tooth that makes to broach carries out elastomeric material pad by the mould teeth groove of mouldCutting is to form the shape corresponding with mould;
In the step of described cutting, described tightening nut is unclamped gradually, and turnbuckle is extracted out, thisTime, described elastomeric material pad recovers shape gradually; Then utilize belt cutter at described elastomeric material pad placeTool carries out the cutting of direction perpendicular to axial direction, thus carry out without mould is unloaded in the situation that synchronousThe cutting of band, obtains the Timing Belt of required width.
Valuably, described toothed root knuckle radius rrFor 0.30mm, waist knuckle radius rbbFor 1.92mm,Top radius raFor 0.30mm, tooth depth htFor 1.15mm, the distance of center circle of both sides waist knuckle radius from S is1.95, profile of tooth top is the flat flank of tooth.
Valuably, the formula of described rubber cement batching is: 100 parts of neoprenes, 40 parts of fast extruding furnace blacks, 1Part stearic acid, 2 parts of environment protection oils, 4 parts of zinc oxide, 2.5 parts of age resistor, 4 parts of tackifying resins, 5 parts of magnesia,1.08 part promoter.
What the present invention had has beneficial effect is significantly, owing to having adopted without mould dismounting is cut beltThe aspect of cutting, can at utmost avoid the structural damage of band tooth tooth top, the conveying that therefore can improve bandMoment of torsion, and:
1), by the design to tooth profile of tooth, make belt band tooth and belt wheel race no-float, avoid beltWhile being subject to high torque load in the running, part tooth portion is stressed excessive;
2), band tooth tooth cloth has good wearability and has good cohesive with band tooth sizing material;
3), because rubber has higher stress at definite elongation, make belt band tooth there is stronger shearing force, with glassGlass cotton rope is bonding firmly, makes belt be with tooth all to there will not be crimp in the time running up or high moment of torsion turns roundSerious phenomenon.
Brief description of the drawings
Figure 1 shows that the stereogram of a kind of Timing Belt involved in the present invention.
Fig. 2 is the cutaway view of A portion in Fig. 1.
Fig. 3 is the structural representation of mould in the present invention (2).
Fig. 4 is the structural representation of elastomeric material pad;
Fig. 5 is the schematic diagram of elastomeric material pad broaching cutters;
Fig. 6 is the schematic diagram of the mould (2) after assembling.
Detailed description of the invention
Introduce best mode for carrying out the invention below with reference to suitable accompanying drawing.
Because be widely used in the middle of the transmission system for high torque drive, belt teeth portion has wear-resisting preferablyProperty and stronger shearing force.
The preparation method of the high moment of torsion Timing Belt of a kind of S3M of the present invention, described Timing Belt has annular belt body,Described annular belt body comprises: be equidistantly arranged with multiple band teeth 94 along the inner peripheral surface of described annular belt body; InstituteState with the stretchy nylon cloth 93 with anti-wear performance coated on tooth surface; In described annular belt body inside along instituteState the core rope 92 that the circumferential direction of annular belt body is laid, and at described core rope 92 back sides by thering is bendabilityThe coated band back of the body 91 of sizing material of energy;
The method of the invention comprises the following steps: rubber composition to carry out mixing, obtains mixing sizing material→ obtained a mixing sizing material part is made to rubber cement for stretchy nylon cloth is carried out to impregnation, therebyBe made into cloth cover, a part is rolled into desired thickness, obtains film → assemble at mould 2 → after assemblingMould 2 on be inserted in described cloth cover, coiling, is attached to film on the mould 2 after coiling → sulfuration→ be ground to desired thickness → cutting, to obtain the Timing Belt of required width.
Valuably, the quantity of described mould 2 is multiple, and each described mould 2 is cylindrical, itsOn outer circumference surface, be provided with axially extended mould teeth groove 22, be used to form the band tooth 94 on described Timing Belt,Centre is axially extending bore 24, the wall between described axially extending bore 24 and the outer circumference surface of each described mould 2In thick, be also provided with axially extended fastening through-hole 23 and location blind hole 21, the quantity of fastening through-hole 23 is manyIndividual and be uniformly distributed in a circumferential direction, the quantity of location blind hole 21 be two and on diameter relatively;
Described method is also used elastomeric material pad 3 and elastomeric material pad broaching cutters 1;
Described elastomeric material pad 3 is annular, be provided with week upwards equally distributed multiple pad through hole 33 andTwo location relative on diameter protrude 31, and described location protrudes 31 for coordinating with described location blind hole 21,Inner periphery place on the tabular surface of the both sides of described annular is provided with from described tabular surface axially convexThe circumferential flange 34 going out, the centre of point described elastomeric material pad 3 is pad through hole 32, described pad through hole 32 connects twoDescribed circumferential flange 34 on side tabular surface and the body of described annular;
On the inner periphery of described elastomeric material pad broaching cutters 1, be formed with broaching tooth 11;
In the step of assembling at mould 2, by sandwiched described elastomeric material pad between multiple described moulds 23, the location protrusion 31 of described elastomeric material pad 3 is coordinated with the described location blind hole 21 on mould 2,The outer circumference surface of described circumferential flange 34 coordinates with axially extending bore 24 inwalls of mould 2, and pad through hole 32Aim at the fastening through-hole 23 of mould 2, and with turnbuckle 4 through described fastening through-hole 23 and instituteState pad through hole 32 and fastening with tightening nut 41, now, described elastomeric material pad is compressed; Afterwards, utilizeElastomeric material pad broaching cutters 1 is pulled through the mould 2 after assembling, and the tooth 11 that makes to broach is by mould 2Thereby mould teeth groove 22 elastomeric material pad 3 is cut to form the shape corresponding with mould 2;
In the step of described cutting, described tightening nut 41 is unclamped gradually, and turnbuckle is extracted out,Now, described elastomeric material pad recovers shape gradually; Then utilize belt cutting at described elastomeric material pad placeCutter carries out the cutting of direction perpendicular to axial direction, thus carry out without mould is unloaded in the situation that withWalk the cutting of band, obtain the Timing Belt of required width.
The structure of Timing Belt of the present invention is as shown in Figure 1 and Figure 2: annular belt body, along belt body inner peripheral surface etc.Apart from multiple band teeth of arranging, with on tooth surface, have the good stretchy nylon cloth of wearability coated, along the circle of belt bodyThe core rope that Zhou Fangxiang lays, being positioned at the core rope back side has the better sizing material of bending property coated.
To belt band tooth tooth Shape Design, profile of tooth Timing Belt as shown in Figure 2, is characterized in that, described curveThe root knuckle radius r of toothrFor 0.30mm, waist knuckle radius rbbFor 1.92mm, top radius raFor0.30mm, tooth depth htFor 1.15mm, the distance of center circle of both sides waist knuckle radius is 1.95 from S, profile of tooth topFor the flat flank of tooth.
Can carry out rubber cement dipping process to band tooth base fabric, when design rubber cement formula, first consider the wearability of sizing materialWith fill tooth, simultaneously have good cohesive and all right with mold releasability with belt body. Neoprene hasPreferably wearability and have good cohesive with belt body, by the formula Design to neoprene, makes its toolThere is These characteristics. Cement stock used can be selected following formula:
By weight: 100 parts of neoprenes, 40 parts of fast extruding furnace blacks, 1 part of stearic acid, 2 parts of environment protection oils,4 parts of zinc oxide, 2.5 parts of age resistor, 4 parts of tackifying resins, 5 parts of magnesia, 1.08 parts of promoter.
By 1 elastomeric compound: the proportioning of 3 solvent cyclohexanes is made into rubber cement, can be directly by adhesive in rubber cementFor example blocked isocyanate is sneaked in rubber cement. With homemade impregnation equipment make nylon cloth fill be mixed with sealing differentIn the rubber cement bucket of cyanate, soak into completely, be then transferred to compression roller, make rubber cement by the extruding of two compression rollersAll be expressed to nylon cloth the inside, make nylon cloth there is better wearability, then nylon cloth is transferred to oven dryDevice repeats said process again and carries out face glue impregnation operation. By immersing glue process, not only make to be with tooth infantees to haveWearability, also has good cohesive preferably.
Band tooth base fabric is being cut into preliminary dimension after rubber cement is processed. With ultrasonic bonding by predetermined nylon clothTwo opposites weld together, can obtain columniform band tooth base fabric cloth cover.
To need on the mould of moulding with tooth base fabric cloth cover cover, then under the state that tension force is constant, will pass through keepingThe core rope of adhesive treatment is wrapped in band tooth base fabric outside.
After selecting traditional mixing facilities mixing, sizing material is rolled into the film of required thickness in accordance with regulations, willFilm is attached on the made-up belt of forming, and film when laminating is smooth, the Zhe that avoids wrinkling affect thickness of belt withOutward appearance row.
Gum cover is placed in steam vulcanization (cure) tank and carries out preheating, after preheating completes, be enclosed within outside the made-up belt of formingFace, made-up belt outer wall and gum cover inwall gap are 5mm left and right, large flat bread on pad. Then in certain steamingSteam pressure, under the time, in vulcanizing tank, vulcanize.
In HTHP sulfidation, these fluidised rubber form rubber layer and band tooth infantees oneWork the rubber being pressed in teeth groove and form band tooth. After sulfidization molding, cylindrical shape belt body is taken out from vulcanizing tank,It is carried out to the demoulding, then use grinding roller grinding milling drum to being with back-grinding to specific thickness, then band cylinder is pressedCertain width cuts, and can obtain many Timing Belts simultaneously.
As mentioned above, there is following advantages by the Timing Belt of preparation of the present invention:
1), by the design to tooth profile of tooth, make belt band tooth and belt wheel race no-float, avoid beltWhile being subject to high torque load in the running, part tooth portion is stressed excessive;
2), by the selecting and the research and development of tooth cloth sizing compound formula of tooth tooth cloth, make to be with tooth tooth cloth to have betterWearability and there is good cohesive with band tooth sizing material;
3), by the research and development to tooth sizing material, make rubber there is higher stress at definite elongation, make belt band tooth toolThere is stronger shearing force, bonding firmly with glass cotton rope, make belt band in the time running up or high moment of torsion turns roundTooth all there will not be the serious phenomenon of crimp.
Claims (4)
1. a preparation method for high moment of torsion Timing Belt, described Timing Belt has annular belt body, described endless beltBody comprises: be equidistantly arranged with multiple band teeth (94) along the inner peripheral surface of described annular belt body; At described band tooth tableThe stretchy nylon cloth (93) with anti-wear performance being coated on face; In described annular belt body inside along described annularThe core rope (92) that the circumferential direction of belt body is laid, and at described core rope (92) back side by thering is bending propertyThe coated band of the sizing material back of the body (91);
Described method comprises the following steps: rubber composition to carry out mixing, obtains mixing sizing material → by instituteThe mixing sizing material part obtaining is made rubber cement for stretchy nylon cloth is carried out to impregnation, thereby is made intoCloth cover, a part is rolled into desired thickness, obtains film → by mould (2) assembling → after assemblingOn mould (2), be inserted in described cloth cover, coiling, is attached to film on the mould (2) after coiling→ vulcanize → be ground to desired thickness → cutting, to obtain the Timing Belt of required width;
Wherein, the quantity of described mould (2) is multiple, and each described mould (2) is cylinderShape, is provided with axially extended mould teeth groove (22) on its outer circumference surface, be used to form on described Timing BeltBand tooth (94), centre is axially extending bore (24), each described mould (2) described axially logicalIn wall thickness between hole (24) and outer circumference surface, be also provided with axially extended fastening through-hole (23) and fixedPosition blind hole (21), the quantity of fastening through-hole (23) is multiple and is uniformly distributed in a circumferential direction, locationThe quantity of blind hole (21) is two and relative on diameter;
Described method is also used elastomeric material pad (3) and elastomeric material pad broaching cutters (1);
Described elastomeric material pad (3) is annular, is provided with at upwards equally distributed multiple pad through holes (33) of weekAnd (31) are protruded in relative two location on diameter, (31) are protruded for described fixed in described locationPosition blind hole (21) coordinates, and the inner periphery place on the tabular surface of the both sides of described annular is provided with from describedAxial outwardly circumferential flange (34) on tabular surface, the centre of point described elastomeric material pad (3) is padThrough hole (32), described pad through hole (32) connect described circumferential flange (34) on both sides tabular surfaces andThe body of described annular;
On the inner periphery of described elastomeric material pad broaching cutters (1), be formed with broaching tooth (11);
In the step of mould (2) assembling, by sandwiched described bullet between multiple described moulds (2)Property material cushion (3), make the location of described elastomeric material pad (3) protrude (31) and mould (2)On described location blind hole (21) coordinate, the outer circumference surface of described circumferential flange (34) and mould (2)Axially extending bore (24) inwall coordinate, and pad through hole (32) and the fastening through-hole (23) of mould (2)Aim at, and with turnbuckle (4) pass described fastening through-hole (23) and described pad through hole (32) andFastening with tightening nut (41), now, described elastomeric material pad is compressed; Afterwards, utilize elastomeric materialPad broaching cutters (1) is pulled through the mould (2) after assembling, and the tooth (11) that makes to broach passes through shaping mouldThe mould teeth groove (22) of tool (2) thus elastomeric material pad (3) is cut to form and mould(2) corresponding shape;
In the step of described cutting, described tightening nut (41) is unclamped gradually, and by turnbuckleExtract out, now, described elastomeric material pad recovers shape gradually; Then utilize skin at described elastomeric material pad placeBelt cutter tool carries out the cutting of direction perpendicular to axial direction, thereby without mould is unloaded in the situation thatCarry out the cutting of Timing Belt, obtain the Timing Belt of required width.
2. preparation method as claimed in claim 1, described toothed root knuckle radius rrFor 0.30mm,Waist knuckle radius rbbFor 1.92mm, top radius raFor 0.30mm, tooth depth htFor 1.15mm, both sides waistThe distance of center circle of portion's knuckle radius is 1.95mm from S, and profile of tooth top is the flat flank of tooth.
3. preparation method as claimed in claim 1, wherein, the formula of described rubber cement batching is: 100 partsNeoprene, 40 parts of fast extruding furnace blacks, 1 part of stearic acid, 2 parts of environment protection oils, 4 parts of zinc oxide, 2.5 parts anti-Old agent, 4 parts of tackifying resins, 5 parts of magnesia, 1.08 parts of promoter.
4. the preparation method as described in one of aforementioned claim, wherein, described fastening through-hole (23)Quantity is six.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410628747.1A CN104295665B (en) | 2014-11-10 | 2014-11-10 | A kind of high moment of torsion Timing Belt preparation method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410628747.1A CN104295665B (en) | 2014-11-10 | 2014-11-10 | A kind of high moment of torsion Timing Belt preparation method |
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| CN104295665A CN104295665A (en) | 2015-01-21 |
| CN104295665B true CN104295665B (en) | 2016-05-18 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3988153B1 (en) | 2015-03-31 | 2024-04-24 | Fisher & Paykel Healthcare Limited | A user interface for supplying gases to an airway |
| CN106003750B (en) * | 2016-07-05 | 2017-12-19 | 宁波凯驰胶带有限公司 | A kind of manufacture method of miniature timing belt |
| EP3995168A1 (en) | 2016-08-11 | 2022-05-11 | Fisher & Paykel Healthcare Limited | A collapsible conduit, patient interface and headgear connector |
| PL3820686T3 (en) | 2018-07-10 | 2023-01-30 | Walther Flender Gmbh | Method for producing driving belts |
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|---|---|---|---|---|
| US4486375A (en) * | 1983-02-23 | 1984-12-04 | Mitsuboshi Belting Ltd. | Method of manufacturing toothed belts |
| CN1618852A (en) * | 2004-09-21 | 2005-05-25 | 广水市茂鑫特种胶带有限责任公司 | Automobile synchronous belt and its manufacturing method |
| CN202251664U (en) * | 2011-08-24 | 2012-05-30 | 宁波凯驰胶带有限公司 | One-step forming synchronous belt |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06104341B2 (en) * | 1990-01-16 | 1994-12-21 | バンドー化学株式会社 | Manufacturing method and manufacturing apparatus for round belt |
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2014
- 2014-11-10 CN CN201410628747.1A patent/CN104295665B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4486375A (en) * | 1983-02-23 | 1984-12-04 | Mitsuboshi Belting Ltd. | Method of manufacturing toothed belts |
| CN1618852A (en) * | 2004-09-21 | 2005-05-25 | 广水市茂鑫特种胶带有限责任公司 | Automobile synchronous belt and its manufacturing method |
| CN202251664U (en) * | 2011-08-24 | 2012-05-30 | 宁波凯驰胶带有限公司 | One-step forming synchronous belt |
Non-Patent Citations (1)
| Title |
|---|
| 微型橡胶同步带的研制;张敦;《橡胶工业》;19961030;第43卷(第10期);第602-605页 * |
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