CN101518929A - Precise tooth socket mold and vulcanization technology for producing trimming cut V-belts therewith - Google Patents
Precise tooth socket mold and vulcanization technology for producing trimming cut V-belts therewith Download PDFInfo
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- CN101518929A CN101518929A CN200910074035A CN200910074035A CN101518929A CN 101518929 A CN101518929 A CN 101518929A CN 200910074035 A CN200910074035 A CN 200910074035A CN 200910074035 A CN200910074035 A CN 200910074035A CN 101518929 A CN101518929 A CN 101518929A
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- tooth socket
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Abstract
The invention belongs to the technical field of vulcanized molds and discloses a precise tooth socket mold and a vulcanization process for producing trimming cut V-belts therewith. The vulcanization process comprises the following steps: sequentially winding top adhesive plaster, pasting buffer film, winding a strong layer thread rope and pasting an adhesive layer film and bottom anti-wear film outside a smooth round mold to form a strip stock; sleeving an ultrathin stainless-steel tooth socket film with the thickness of 0.2 mm to 0.3 mm and an adhesive sleeve outside the strip stock; and vulcanizing at a pressure difference, stripping, cutting and grinding into circular V-shaped adhesive belts. The precise tooth socket mold molds tooth profile by a stainless-steel tooth socket, prevents the thread rope from greatly shrinking, solves the problem of different datum length of the same-mold adhesive belts, enables the adhesive belts to have little elongation, enables sizing material to have good compactness, good double-faced lustrousness and stable use quality and has the advantages of simplicity, rapidness and material and labor saving.
Description
Technical field
The invention belongs to technical field of vulcanized, relate in particular to a kind of accurate teeth groove mould and produce the edge V tape molding sulfuration process with it.
Background technology
The mould of making the tooth-shaped edge V tape on automobile engine and other industrial internal combustion engine or other transmission system has two kinds.A kind of is the cylindrical metal mould of spline, on cylindrical metal teeth groove mould, twine bottom wear-resistant film, the bonding film of fitting during manufacturing successively, twine cotton rope, applying cushion film, twine the top adhesive plaster, put gum cover, put into the sulfuration cylinder thereafter and carry out differential pressure curing.Another kind is with rubber teeth groove gum cover external pressure, the gum cover inwall is made serrate slot, order is twined top adhesive plaster, applying cushion film, twines cotton rope, applying adhesive linkage film, twines primer, is put rubber teeth groove gum cover on light face circle mould, puts into the sulfuration cylinder thereafter and carries out differential pressure curing.
When the cylindrical metal mould of spline was produced, the V of every kind of specifications and models band must have special-purpose tooth profile metal groove mould, and the mould manufacturing needs a large amount of 20～30mm thick-wall tubes and large-scale gear hobbing machine tool equipment.Manufacturing cycle is long, the processing cost height.Owing on the mould a large amount of teeth groove are arranged, the teeth groove space is arranged below glue-line during moulding, in this case the cotton rope of Chan Raoing in sulfidation because the flowing of sizing material, cotton rope can form 1～3% and shrink and the effective line differential instability, and this contraction and instability can discharge in product uses, thereby cause the percentage elongation height and the vibrating noise of V band big.Problems such as the high profile of tooth of the big noise of product percentage elongation is not full, percent defective is high in order to solve, sizing material compactness difference, promptly after twining enough bottom films on the profile of tooth mould, interrupt moulding, mold removal is put into the sulfuration cylinder on make-up machine, with 4～5Mpa steam pressure pressurization 5 minutes, after filling and leading up teeth groove, in the sulfuration cylinder, take out, again the applying bonded adhesives twines cotton rope on make-up machine, this explained hereafter efficient is low, and is difficult for grasping, and careless slightly primer surface has just surpassed the sulphur point, cause the bonding strength of interlayer to descend the service life of having reduced product.
When producing with rubber teeth groove gum cover external pressure, because the profile of tooth of edge V tape is to extrude during by the sulfuration of the teeth groove of gum cover inwall, vulcanizing under same pressure, the deliquescing under 170 °～180 ° the condition of being heated of rubber tooth has influenced the stable of pressure.Therefore cause:
1. the compactness of bonding, glue of glue and cotton rope and glue is affected, and the serious local detachment phenomenon that has need be scrapped, and general influences service life.
2. the outward appearance tarnish of tooth portion, gum cover used to the later stage, and tooth can shoal, diminish, and this is because the rubber contraction forms.
3. because rubber dentition vulcanizer segmentation press cure, the thickness evenness that adds rolling out film is not enough, and situation such as ring joint place thickening, and the thickness uniformity of tooth gum cover is relatively poor, and cause the sulfureted band tube pressure that bears inhomogeneous, also influenced local bonding force.
4. need because of sealing, when bringing into use, gum cover exceeds 15～20mm than mould, in use can progressively shrink, as the band tube gum cover that vulcanizes 500mm height needs the 520mm height, but it is serious to be compressed to the 500mm distortion during sulfuration, makes the packing element two ends cause pit, use to just improvement to some extent of later stage, waste is respectively by statistics: between 40～80mm, and average 60mm, loss about 12%.
Summary of the invention
First problem that the present invention will solve just provides a kind of adhesive tape qualification rate height of manufacturing, and teeth groove is full, sizing material compactness height, the bright and clean beautiful accurate teeth groove mould in bottom and top.Solved the problem that same mould adhesive tape datum length differs, and the adhesive tape percentage elongation is little.Second problem that the present invention will solve just provides a kind of and produces the edge V tape molding sulfuration process with accurate teeth groove mould.
For solving above-mentioned first technical problem, the technical solution used in the present invention is: comprise light face circle mould, light face circle mould is provided with made-up belt outward, is with gum cover, and the inboard of described gum cover is with the metal-toothed channel mould.
Its additional technical feature is: the thickness of described metal-toothed channel mould is 0.2mm-0.3mm; The teeth groove of described metal-toothed channel mould is U-shaped, V-arrangement, circular arc, trapezoidal, triangle or other shapes; Described metal-toothed channel mould is a corrosion resistant plate; Described metal-toothed channel mould is steel plate, aluminium sheet or other metallic plate.
For solving above-mentioned second technical problem, the technical solution used in the present invention is: may further comprise the steps:
The first step, outside light face circle mould, twine top adhesive plaster, applying breaker strip successively, twine the strength layer cotton rope, applying adhesive linkage film, the bottom wear-resistant film of fitting constitute made-up belt;
Second goes on foot, puts ultra-thin stainless steel teeth groove mould outside made-up belt;
The 3rd the step, on stainless steel teeth groove mould overcoat gum cover;
The 4th step, install the die cap plate, put into the sulfuration cylinder, carry out differential pressure curing by internal steam pipe and outer steam pipe feeding steam in accurate teeth groove die tip;
The 5th step, sulfuration finish, and the cylindric made-up belt of making are cut the V-type adhesive tape that is polished into ring-type.
Its additional technical feature is: put into external pressure steam by outer steam pipe earlier and reach 0.9～1.1Mpa, feed steam by internal steam pipe again and make the interior steam of pressing reach 0.5-0.6Mpa.
Accurate teeth groove mould provided by the present invention compared with prior art, is with the teeth groove mould that the stainless steel and other metal materials of 0.2mm-0.3mm thickness is done between made-up belt and gum cover.When making tooth-shaped edge V tape, on light face circle mould, twine top adhesive plaster, applying breaker strip, winding strength layer cotton rope, applying adhesive linkage film, the bottom wear-resistant film formation made-up belt of fitting successively, put teeth groove mould and gum cover that the 0.2mm-0.3mm ultra-thin stainless steel is done, put into the sulfuration cylinder and carry out differential pressure curing, put into external pressure steam 0.9～1.1Mpa earlier, put into again and press steam 0.5-0.6Mpa.Make edge V tape with this mould, compare, make of the passive filling of original mould teeth groove, become the active externally of mould teeth groove and exerted pressure in the bottom with the cylindrical metal mould of spline.Profile of tooth is gone out by the mold pressing of stainless steel teeth groove, and only there is original shrinkage in cotton rope in sulfidation, has stopped mould slot cavity and has filled the cotton rope contraction problem that causes, and has solved the problem that the cog belt datum length differs.Eliminate original defective workmanship, stopped hidden danger of quality.And compare with rubber teeth groove gum cover, band tube when sulfuration, metal-toothed mould hardness height, thereby it is also high to be carried in the packing element upward pressure, good in the compactness of same pressure condition lower rubber cylinder, thereby make the steady quality of adhesive tape.The adhesive tape that is vulcanized, top and bottom all are the Metal Contact face, so the two sides glossiness is good.The demoulding is more convenient, and because of metal pattern and the rubber demoulding are easy to manyly than rubber and rubber, because of rubber and rubber have inter-adhesive problem, particularly tooth portion is meshing closely, so the demoulding is difficult.Aspect material, light face circle mould is saved steel about 60% than the cylindrical metal mould of spline, and processing charges saves 500%.The processing of ultra-thin stainless steel tooth mould is simple, quick, has improved the inherent quality of V band, has prolonged service life greatly.And make cog belt and polywedge bet can a mould dual-purpose.The mould manufacturing is simple, quick, material-saving, saving of labor.Need not a large amount of ∮ 20～30mm thick-wall tubes and large-scale gear hobbing processing mechanical apparatus.Simplified manufacturing process, omitted the vapour pressure tooth, post forming is once finished moulding, sulfuration; Save great deal of steel, the energy and human resources, improved production efficiency greatly.
Description of drawings
Fig. 1 is the structural representation of the accurate teeth groove mould of the present invention;
Fig. 2 is the structural representation of stainless steel teeth groove mould;
Fig. 3 is the sulfuration structural representation of accurate teeth groove mould.
The specific embodiment
Be described in further details below in conjunction with the structure and the principle of accompanying drawing accurate teeth groove mould provided by the present invention.
As shown in Figure 1, accurate teeth groove mould provided by the present invention comprises stainless steel light face circle mould 1, twine top adhesive plaster 2, applying breaker strip 3, winding strength layer cotton rope 4, applying adhesive linkage film 5, the bottom wear-resistant film 6 formation made-up belts of fitting on the light face circle mould 1 successively, put 0.2mm-0.3mm ultra-thin stainless steel teeth groove mould 7 and gum cover 8 then.As shown in Figure 2, the teeth groove of stainless steel teeth groove mould 7 is a U-shaped, can certainly be V-arrangement, circular arc, trapezoidal, triangle or other shapes.
Accurate teeth groove mould provided by the present invention, when making tooth-shaped edge V tape, on light face circle mould 1, twine top adhesive plaster 2, applying breaker strip 3, winding strength layer cotton rope 4, applying adhesive linkage film 5, the bottom wear-resistant film 6 formation made-up belts of fitting successively, put 0.2mm-0.3mm ultra-thin stainless steel teeth groove mould 7 and gum cover 8 then, again as shown in Figure 3, put into sulfuration cylinder 9, install die cap plate 10, earlier put into external pressure steam and reach 0.9～1.1Mpa by outer steam pipe 11, put into by internal steam pipe 12 again after 5 minutes and press steam to reach 0.5-0.6Mpa, carry out differential pressure curing.Sulfuration finishes, and cylindric made-up belt itemize cutting of making and the V-type adhesive tape that is polished into ring-type are got final product.
The present invention is not limited only to said structure, those skilled in the art, and in essential scope of the present invention, the variation of making, remodeling, interpolation or replacement also should belong to protection scope of the present invention.
Claims (7)
1, accurate teeth groove mould comprises light face circle mould, and light face circle mould is provided with made-up belt outward, is with gum cover, and it is characterized in that: the inboard of described gum cover is with the metal-toothed channel mould.
2, accurate teeth groove mould according to claim 1, it is characterized in that: the thickness of described metal-toothed channel mould is 0.2mm-0.3mm.
3, accurate teeth groove mould according to claim 1 is characterized in that: the teeth groove of described metal-toothed channel mould is U-shaped, V-arrangement, circular arc, trapezoidal, triangle or other shapes.
4, accurate teeth groove mould according to claim 1, it is characterized in that: described metal-toothed channel mould is a corrosion resistant plate.
5, accurate teeth groove mould according to claim 1 is characterized in that: described metal-toothed channel mould is steel plate, aluminium sheet or other metallic plate.
6, produce the edge V tape molding sulfuration process with each described accurate teeth groove mould of claim 1 to 5, it is characterized in that, may further comprise the steps:
The first step, outside light face circle mould, twine top adhesive plaster, applying breaker strip successively, twine the strength layer cotton rope, applying adhesive linkage film, the bottom wear-resistant film of fitting constitute made-up belt;
Second goes on foot, puts the thick ultra-thin stainless steel teeth groove of 0.2mm-0.3mm mould outside made-up belt;
The 3rd the step, on stainless steel teeth groove mould overcoat gum cover;
The 4th step, install the die cap plate, put into the sulfuration cylinder, carry out differential pressure curing by internal steam pipe and outer steam pipe feeding steam in accurate teeth groove die tip;
The 5th step, sulfuration finish, and the cylindric made-up belt itemize cutting polishing of making is the V-type adhesive tape of ring-type.
7, the accurate teeth groove mould of usefulness according to claim 6 is produced the edge V tape molding sulfuration process, it is characterized in that: put into external pressure steam by outer steam pipe earlier and reach 0.9～1.1Mpa, feed steam by internal steam pipe again and make the interior steam of pressing reach 0.5-0.6Mpa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100740359A CN101518929B (en) | 2009-03-27 | 2009-03-27 | Precise tooth socket mold and vulcanization technology for producing trimming cut V-belts therewith |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100740359A CN101518929B (en) | 2009-03-27 | 2009-03-27 | Precise tooth socket mold and vulcanization technology for producing trimming cut V-belts therewith |
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| Publication Number | Publication Date |
|---|---|
| CN101518929A true CN101518929A (en) | 2009-09-02 |
| CN101518929B CN101518929B (en) | 2011-05-18 |
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| CN2009100740359A Expired - Fee Related CN101518929B (en) | 2009-03-27 | 2009-03-27 | Precise tooth socket mold and vulcanization technology for producing trimming cut V-belts therewith |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107020712A (en) * | 2017-06-12 | 2017-08-08 | 兰溪市夏华橡塑机械厂 | The sulfurizing mould of wall scroll cogged V-belt |
| CN107756690A (en) * | 2017-11-09 | 2018-03-06 | 绍兴柯桥剑彪机械制造有限公司 | Grouped belt vulcanization circle mould |
| CN108527736A (en) * | 2018-05-05 | 2018-09-14 | 浙江保尔力胶带有限公司 | A kind of vulcanization plant and production technology of tooth form rubber belt cover die |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003340934A (en) * | 2002-05-30 | 2003-12-02 | Mitsuboshi Belting Ltd | Method for manufacturing v-ribbed belt, and v-ribbed belt |
| CN2799213Y (en) * | 2005-06-13 | 2006-07-26 | 杭州金泰胶带有限公司 | Rubber belt cover die |
| CN100503221C (en) * | 2005-10-13 | 2009-06-24 | 宁波丰茂远东橡胶有限公司 | Clipping toothed V-shaped band vulcanization of vehicle |
| CN100467259C (en) * | 2006-12-12 | 2009-03-11 | 浙江紫金港胶带有限公司 | Reverse-forming sulfuration method for sealed type tooth-shaped edge V tape of rubber lagging |
-
2009
- 2009-03-27 CN CN2009100740359A patent/CN101518929B/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107020712A (en) * | 2017-06-12 | 2017-08-08 | 兰溪市夏华橡塑机械厂 | The sulfurizing mould of wall scroll cogged V-belt |
| CN107756690A (en) * | 2017-11-09 | 2018-03-06 | 绍兴柯桥剑彪机械制造有限公司 | Grouped belt vulcanization circle mould |
| CN107756690B (en) * | 2017-11-09 | 2024-02-23 | 绍兴柯桥剑彪机械制造有限公司 | Circular mould for vulcanizing combined belt |
| CN108527736A (en) * | 2018-05-05 | 2018-09-14 | 浙江保尔力胶带有限公司 | A kind of vulcanization plant and production technology of tooth form rubber belt cover die |
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| Publication number | Publication date |
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| CN101518929B (en) | 2011-05-18 |
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Granted publication date: 20110518 Termination date: 20160327 |