CN106246802B - Transmission belt - Google Patents
Transmission belt Download PDFInfo
- Publication number
- CN106246802B CN106246802B CN201610854277.XA CN201610854277A CN106246802B CN 106246802 B CN106246802 B CN 106246802B CN 201610854277 A CN201610854277 A CN 201610854277A CN 106246802 B CN106246802 B CN 106246802B
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- CN
- China
- Prior art keywords
- transmission belt
- rubber
- tissue layer
- fabric
- annular knurl
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- F16G5/00—V-belts, i.e. belts of tapered cross-section
- F16G5/04—V-belts, i.e. belts of tapered cross-section made of rubber
Abstract
The present invention provides a kind of transmission belt, the back of the transmission belt is covered with tissue layer, the tissue layer has the banjo fixing butt jointing of suture sewing, and the outer surface of the tissue layer is the pattern structure rubber of protrusion, suture is capped in the pattern structure rubber of protrusion, the transmission belt adopted the structure is compared with traditional back has the transmission belt of fabric, which has preferable appearance, and noise is further improved.
Description
Technical field:
The present invention relates to the transmission belts that fabric is contained at transmission belt, especially back.
Background technique:
With the continuous improvement of human living standards, automobile market also make rapid progress develop, and to stabilization, relax
Suitable requirement is higher and higher, therefore remains operational in transmission system to the transmission belt of automobile driving system steady and low noise
It is required that just higher and higher.
The power transmission belt of early stage is as shown in Figure 1, as needed twine fabric 11, rubber 12, tension cotton rope 13, rubber 14
It is wound on mold 15 and forms gum cover, then carry out curing bag, the gum cover after vulcanization is cut into preset width according to various sizes
Power transmission belt.Fabric 11 is wrapped on cylindrical die 15, and can be in mold substantially parallel with cylindrical die axis
Outer surface forms connector, just will appear the overlapping overlap joint of one fixed width in the joint, causes tension cotton rope not in a plane
On, and the power transmission belt produced is thicker in the joint thickness, to there is transmission in transmission belt unstable in the process of running
And generate noise problem.
To improve this situation, and another power transmission belt manufacture craft is developed, as shown in figure 3, the back of transmission belt
Fabric docking in portion's is sewn into annular shape using suture, and when production covers tissue layer on mold, then winds rubber, cotton rope etc.,
Avoid lap joint in this way, thus improve to a certain extent joint thickness it is thicker caused by transmission back belt it is uneven
Whole problem, improves power transmission belt traveling comfort, largely reduces in power transmission belt operation due to connecing
It is in uneven thickness and caused by with pulley contact when generated noise.But since fabric is using suture sewing, transmission belt
The suture of connector floats on the surface of transmission belt, the appearance of transmission belt is influenced, and in transmission belt operational process, since belt is curved
Song generates periodic noise as shown in Fig. 2, suture d is caused to be detached from transmission belt back surfaces when with pulley contact, and due to
Long-term abrasion, suture are easily broken off, and the periodic noises issued when belt wheel is contacted with suture in operation can increase.
Summary of the invention:
The further improvement carried out present invention is generally directed to above-mentioned technical problem provides a kind of back and knits
Object, fabric use the transmission belt of suture sewing, and the raised pattern structure rubber of fabric surface, the suture of this transmission belt by
It covers in by pattern structure rubber without leaking outside, the appearance of transmission belt is preferable, and can be further reduced or solve transmission belt operation
Belt wheel contacts the periodic noises problem for causing abrasion and the generation of suture with suture in the process.
In order to achieve the above object, adhering to rubber the invention adopts the following technical scheme: transmission belt successively includes bottom rubber layer
Glue-line, the tension cotton rope being embedded into adherency rubber layer, and it is integrated to the tissue layer at adherency rubber layer back, tissue layer tool
The banjo fixing butt jointing of seamed sewer, the outer surface of the tissue layer are the pattern structure of protrusion, which is covered by pattern structure rubber
Lid.
The pattern structure of the protrusion is preferably annular knurl.
The annular knurl is preferably twill annular knurl.
The orthographic projection of the twill annular knurl in tissue layer is equilateral parallelogram, adjacent two in twill annular knurl bottom
The angle at angle is 60 ° and 120 °.
The bottom two of the twill annular knurl is 0.5~1 millimeter to the spacing of parallel edges.
The height of the twill annular knurl is 0.1 millimeter~0.4 millimeter.
The preferred height of the twill annular knurl is 0.2 millimeter~0.25 millimeter.
The pattern structure rubber section shape of the protrusion can be the structures such as rectangle, triangle.
The fabric of the tissue layer is preferably the fabric for carrying out rubberizing or frictioning processing after dipping process again.
The fabric of the tissue layer is preferably cord fabric.
The transmission belt adopted the structure, one side suture are covered by pattern structure rubber, and the exposed influence of suture is avoided to pass
Dynamic band presentation quality, and reduce the periodic noises problem of abrasion and the generation of suture and pulley contact.
Detailed description of the invention:
Fig. 1 is the transmission belt partial cutaway view that the prior art has bridging arrangement.
Fig. 2 is the schematic diagram that prior art suture is detached from back layers in transmission belt bending.
Fig. 3 is the schematic diagram for being driven back belt suture.
Fig. 4 is transmission belt schematic diagram of the present invention.
Fig. 5 is the pattern structure rubber diagrammatic cross-section of transmission belt embodiment protrusion of the present invention.
Fig. 6 is the pattern structure rubber orthographic projection schematic diagram of transmission belt embodiment protrusion of the present invention.
Fig. 7 is transmission belt of the present invention and contrast sample's noise test correlation data figure.
Specific embodiment:
The specific embodiment of the invention is further described referring to the drawings.
Transmission belt of the invention by taking V-ribbed belt as an example, but not limited to this, also can be synchronous belt or V band.
V-ribbed belt as shown in Figure 4 includes bottom rubber layer 1, adheres to rubber layer 5, the tensile cord in insertion adherency rubber layer
Rope 2 and the back tissue layer 4 for being integrated to adherency 5 back of rubber layer, as shown in figure 3, the tissue layer has banjo fixing butt jointing c, this is right
Connector c is sewed using suture d, the rib for having at least one to extend in the bottom rubber layer 1 along transmission belt length direction.
Identical rubber can be used for bottom rubber layer, the rubber for adhering to rubber layer or different rubber is made, and rubber layer can
With by it is in the prior art for example: the one or more of rubber mix systems of hydrogenation nitrile rubber, neoprene, ethylene propylene diene rubber etc.
At also may include other kinds of rubber, the fiber for improving intensity or water imbibition, this specific embodiment can be added in rubber
In, adherency rubber layer is added with the binder that increases adherence, with improve with tension cotton rope and with bottom rubber layer, back fabric
Adhesion strength between layer, improves the service life of transmission belt.
Tension cotton rope 2 can be made of materials such as aroma type polyamide, nylon, polyester, but be not limited with these materials,
It can be other materials.
Tissue layer 4 can be only fabric or the tissue layer after fabric treating.Cord fabric, Wide-angle cloth can be used in fabric
Common various fabrics in equal power transmission belts.It is common a kind of that impregnation, rubber, frictioning, rubberizing etc. can be used in the processing of fabric
Or the processing mode processing of a variety of combinations, only impregnation or the processing mode of rubber, the glue on fabric are soaked than relatively thin, therefore preferably
The process mode for carrying out frictioning or rubberizing after glue again makes to cover certain thickness rubber outside fabric, convenient for annular knurl
Molding.
The specific embodiment of the invention by taking cord fabric as an example, the warp of the cord fabric can be used polyester and cotton blend twisting and
At weft is made of single or blended material, is adopted the structure the stability that can increase transmission belt transverse direction and is indulged
To flexibility, cord fabric is preferably first dipping process, then carries out rubberizing processing, on the one hand makes to cover outside fabric certain thickness
Rubber flows to form knurled pattern structure when squeezing convenient for enough rubber, on the other hand convenient for the connector of sewing fabric.
Tissue layer 4 is sewed by suture d, as shown in Fig. 2, nylon, polyester, cotton, fiber crops, thermoplasticity material can be selected in the material of suture
Material, suture can be monofilament, twisting, can a kind of material or multiple material twist, form a nothing at the back of transmission belt
The banjo fixing butt jointing c of bridging arrangement.
Raised pattern structure rubber 3 in back, that is, tissue layer of transmission belt, pattern structure is with oblique in the present embodiment
Line annular knurl is described, but is not limited to twill annular knurl, can be the pattern structure of arbitrary shape, if section is rectangle, just
It is rectangular, it is trapezoidal, semicircle etc..As shown in figure 5, for the benefit of production and processing is preferably twill annular knurl, the section shape of twill annular knurl
For triangle, the bottom surface of triangle is the tissue layer of transmission belt；As shown in fig. 6, orthographic projection of the twill annular knurl in tissue layer is
Equilateral parallelogram, the angle at two adjacent angles of parallelogram are 60 ° and 120 °, and the decorative pattern of annular knurl protrudes tissue layer,
Therefore the pattern structure rubber covering that the suture in tissue layer is knurled, that is, suture will not exposed knitting in transmission belt outer surface
The joint of nitride layer.
It is driven the performance with ribbing in transmission process to improve, one layer of fabric can also be covered by being driven in ribbed surfaces, this is knitted
The preferable weft-knitted fabric of ductility can be used in object.
What back knurling structure can be obtained by, this example is only a kind of embodiment, but is not to this biography of production
The dynamic limitation with process flow.The existing technological process of production can be used, the tissue layer of sewing is placed on molding hub, in fabric
Tension cotton rope, bottom rubber layer are successively wound on layer, then take the rubber sleeve being wound by above-mentioned material from molding hub
Out, it puts into mold and is vulcanized.The forming process of the mould structure and transmission belt can be with reference to China Patent Publication No.
Described in CN103161879A, the disclosure patent is compared, there is knurling structure corresponding with transmission belt annular knurl in the internal model of the mold,
There is the groove corresponding with transmission belt rib of arrangement, in sulfidation, internal model drives rubber sleeve to act in high pressure on external mold
Lower expansion outward squeezes rubber sleeve, and under the pressure of interior external mold, the rubber on rubber sleeve generates flowing, the rubber in tissue layer to
It is flowed in the concave decorative pattern of internal model, forms the pattern structure rubber of protrusion, therefore the pattern structure rubber of protrusion at tissue layer back
Glue makes the suture overwhelming majority or is completely covered in the flower, and the rubber of bottom rubber layer is flowed into external mold groove, and then is formed
The rib of transmission belt, adherency rubber layer penetrates the gap between tension cotton rope to fabric laminar flow under stress, and then makes tensile cord
Rope is embedded into adherency rubber layer.
It is completely the same to obtain the pattern structure rubber for burying suture completely and pattern structure rubber height, it needs to control
The height H of pattern structure rubber, as shown in Figure 5, it is preferred that 0.1 millimeter of the height H average out to of pattern structure rubber to 0.6 milli
Rice, wherein 0.2 millimeter to 0.25 millimeter of pattern structure rubber average height is most preferably result.
The spacing L on the parallel both sides of twill knurled pattern structure rubber is excessive, as shown in fig. 6, the density mistake of i.e. protrusion
Low, then the density of the corresponding protrusion on mold reduces, and possibly can not press against completely suture in vulcanization makes it not depart from fabric
Surface, thus the spacing L of two parallel edges of pattern structure rubber bottom surface be 0.5 millimeter to 1 millimeter when, more can completely press against
Suture makes it not expose disengaging in fabric surface, and obtained transmission belt appearance is ideal, and complete Sutureless is exposed.
Fig. 7 is the bar chart of noise test data comparison, and the longitudinal axis is the correspondence transmission belt maximum noise that test equipment obtains
Decibel value, belt 1, belt 2, belt 3 are transmission belt of the back without knurling structure, and belt 4, belt 5 are that back has knurling structure
Transmission belt.According to test data it is found that the maximum noise value of transmission belt of the back without knurling structure is generally higher than 71 decibels, reach
To 72 decibels or so, back has the transmission belt maximum noise value of knurling structure to maintain essentially in 70 decibels, even lower than 70 decibels,
It can be seen that back has the transmission belt noise problem of knurling structure to obtain further improvement.
From the foregoing, it will be observed that such transmission belt has preferable appearance, while such transmission belt is used, since transmission belt is being driven
Belt wheel and suture only have seldom contact or do not contact completely in the process, reduce running noise, run transmission belt
It is more steady, while pattern structure keeps belt more soft, improves the service life of transmission belt.
Claims (7)
1. a kind of transmission belt successively includes bottom rubber layer (1), adhere to rubber layer (5), tension cotton rope in insertion adherency rubber layer
(2), and be integrated to adherency rubber layer back tissue layer (4), it is characterised in that: the tissue layer have suture sewing docking
Connector (c), the outer surface of the tissue layer are the pattern structure rubber (3) of protrusion, and the pattern structure rubber is annular knurl, and decorative pattern
Height be 0.1 millimeter~0.4 millimeter, the fabric of the tissue layer is cord fabric, and the suture is covered by pattern structure rubber.
2. transmission belt as described in claim 1, which is characterized in that the annular knurl is twill annular knurl.
3. transmission belt as claimed in claim 2, which is characterized in that orthographic projection of the twill annular knurl in tissue layer is equilateral
Parallelogram, the angle at adjacent two angle of the parallelogram are 60 ° and 120 °.
4. transmission belt as claimed in claim 3, which is characterized in that the spacing of two parallel edges of twill annular knurl bottom is 0.5
Millimeter~1 millimeter.
5. transmission belt as claimed in claim 4, which is characterized in that the height of the twill annular knurl is 0.2 millimeter~0.25 milli
Rice.
6. transmission belt as described in claim 1, which is characterized in that the pattern structure rubber section of the protrusion is rectangle.
7. transmission belt as described in claim 1, which is characterized in that the tissue layer is to carry out rubberizing again or scrape after dipping process
The fabric of glue processing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610854277.XA CN106246802B (en) | 2016-09-01 | 2016-09-01 | Transmission belt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610854277.XA CN106246802B (en) | 2016-09-01 | 2016-09-01 | Transmission belt |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106246802A CN106246802A (en) | 2016-12-21 |
| CN106246802B true CN106246802B (en) | 2019-03-29 |
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ID=57611942
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610854277.XA Active CN106246802B (en) | 2016-09-01 | 2016-09-01 | Transmission belt |
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| Country | Link |
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| CN (1) | CN106246802B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108458050A (en) * | 2017-02-22 | 2018-08-28 | 盖茨优霓塔传动系统(苏州)有限公司 | V-ribbed belt |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005061593A (en) * | 2003-08-20 | 2005-03-10 | Mitsuboshi Belting Ltd | V-ribbed belt |
| CN2700640Y (en) * | 2004-06-08 | 2005-05-18 | 广州市中南精工橡胶制品有限公司 | Rubber transmission belt |
| JP2006125488A (en) * | 2004-10-28 | 2006-05-18 | Mitsuboshi Belting Ltd | V-ribbed belt |
| CN201100365Y (en) * | 2007-10-31 | 2008-08-13 | 蒋春雷 | Texture car multi-wedge belt |
| CN102242793B (en) * | 2011-03-22 | 2013-12-25 | 舟山市大众胶带有限公司 | Method for manufacturing driving belt |
| CN202301741U (en) * | 2011-09-29 | 2012-07-04 | 宁波凯驰胶带有限公司 | Elastic V-ribbed belt |
| CN205173366U (en) * | 2015-11-30 | 2016-04-20 | 盖茨优霓塔传动系统(苏州)有限公司 | Power transmission belt |
| CN206129986U (en) * | 2016-09-01 | 2017-04-26 | 盖茨优霓塔传动系统(苏州)有限公司 | Driving belt |
-
2016
- 2016-09-01 CN CN201610854277.XA patent/CN106246802B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202251664U (en) * | 2011-08-24 | 2012-05-30 | 宁波凯驰胶带有限公司 | One-step forming synchronous belt |
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| Publication number | Publication date |
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| CN106246802A (en) | 2016-12-21 |
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