Background technology
Shoes are indispensable daily necessities in people's daily life, and sole is the important component of shoes.In the prior art
Sole generally comprise outsole and midsole, the outsole of shoes generally uses the preferable rubber material of wearability, to increase shoes
Elasticity and comfort, the midsole of shoes is generally using more soft EVA materials, because outsole is different with the material of midsole,
The process of traditional making sole is usually first to EVA midsole foamings, while to carry out rubber sole, then manually
Midsole and outsole are bonded by glue, in adhesion process, first have to remove the flash in outsole and midsole, then in outsole and
Inorganic agent is coated on the binding face of midsole, then upper glue laminating, at the same will carefully by outsole and insole binding along alignment, avoid by
In being bonded, the inaccurate product that influences is beautiful, therefore shoes are made in this traditional bond EVA midsoles and rubber sole by glue
The production method at bottom, entire production process need a large amount of manual operationss, not only time-consuming and laborious, low production efficiency also to easily cause big
Bottom and insole binding need outsole and midsole to open up mold respectively along being misaligned or come unglued and other issues, of high cost,
Production cycle is long, while the inorganic agent and glue that are used in production process typically contain harmful substance, distribute pernicious gas, pollution
Environment, damages the body of worker.
In order to solve the above-mentioned technical problem, the Chinese patent of Patent No. 201220320083.9 disclose a kind of one at
Type sole, including EVA midsoles, as the unvulcanized sheet rubber of outsole and with the rubber plastic film of adhesive effect, it is described
For rubber plastic film between EVA midsoles and unvulcanized sheet rubber, the EVA midsoles and unvulcanized sheet rubber pass through rubber
Modeling film acts on hot-forming in a mold be integrated.The integrated molding sole midsole and the outsole system of being integrally formed
At, it is no longer necessary to using glue bonding midsole and outsole, production process is reduced, improves the yield and quality of product, reduces production
Cost, while the injury of pollution and worker body of the glue to environment is avoided, it is highly practical;But the integrated molding sole
It is only applicable to the half finished rubber piece that thickness is 0.3-0.6mm, because in order to keep EVA forming stabilities and decorative pattern clarity,
Temperature when half finished rubber piece is hot-forming together with EVA midsoles should control heating in 180 degree or so, and thickness is more than
The conductivity of heat of the half finished rubber piece of 0.3-0.6mm is very poor, and under the heating temperature of 180 degree, half finished rubber piece can not vulcanize
Completely, styling can not be completed, therefore, the scope of application for being integrally formed sole is limited, is not suitable for large area or has
The integrated molding of certain thickness sheet rubber and EVA midsoles makes, and large area or has certain thickness sheet rubber and EVA midsoles
Between can only still use existing hand lay-up mode of operation, production quality is poor, low production efficiency, hand labor intensity it is big and
And easily cause environmental pollution.
Invention content
Therefore, for above-mentioned problem, the present invention proposes that a kind of mould is interior and is integrally formed sole and its manufacture craft, the mould
Interior integrated molding sole and its manufacture craft can be suitable for the integrated molding of the sheet rubber and EVA midsoles of any thickness and area
It makes, is bonded without using glue, reduce production process, improve the yield and quality of product, reduce production cost, keep away simultaneously
Exempt from the injury of pollution and worker body of the glue to environment.
To realize above-mentioned technical problem, the solution that the present invention takes is:A kind of interior integrated molding sole of mould, including
EVA midsoles, hot melt adhesive film, the sheet rubber vulcanizated, the hot melt adhesive film include PET extexines and are attached on PET extexines
Viscose glue stratum granulosum, the PET extexines can be separated from each other with the viscose glue stratum granulosum;The sheet rubber vulcanizated be by
Integrated vulcanizing is made unvulcanized sheet rubber in rubber pattern together with hot melt adhesive film;The sheet rubber vulcanizated passes through hot melt
Glued membrane and the sheet rubber that EVA midsoles are hot-forming in mould is integrated, and the hot melt adhesive film is set to the EVA midsoles and vulcanizates
Between.
Further, the viscose glue stratum granulosum includes EVA97%, zinc stearate 1.5%, the stearic acid of VA contents 28%
1.5%。
Further, the thickness of the hot melt adhesive film is 0.2-0.5mm.
Further, the thickness of the sheet rubber vulcanizated is more than 3mm.
Further, the sheet rubber vulcanizated is sheet compatible with the bottom shape of EVA midsoles and size
Formula sheet rubber.
A kind of interior manufacture craft for being integrally formed sole of mould, includes the following steps:
(1)The sheet rubber that unvulcanized sheet rubber and hot melt adhesive film integrated vulcanizing in rubber pattern are vulcanizated,
In, the unvulcanized sheet rubber is bonded with the viscose glue stratum granulosum of hot melt adhesive film;
(2)The PET extexines of hot melt adhesive film on the sheet rubber vulcanizated are thrown off so that the viscose glue particle of hot melt adhesive film
Layer leakage;
(3)The sheet rubber vulcanizated handled by step 2 is placed in EVA molds, EVA midsoles, and EVA are added
Midsole is bonded with the viscose glue stratum granulosum of hot melt adhesive film, and the sheet rubber vulcanizated is by hot melt adhesive film and EVA midsoles in EVA molds
Hot pressing is integrally formed, and obtains being integrally formed sole in mould after cooling.
By using preceding solution, the invention has the advantages that integrally-forming shoe in the mould designed as described above
Bottom has following advantage compared with prior art:
1, by the independent independent process of the sulfidation of sheet rubber, the sheet rubber by intact vulcanized operation being capable of complete sulphur
Change, the sheet rubber after complete cure can be directly hot-forming, therefore, by the sheet rubber vulcanizated and hot pressing together in EVA
When molding, the sheet rubber that different because of material, forming requirements are different and occur would not occur and vulcanize incomplete, sheet rubber
The sheet rubbers such as can not be molded cannot be molded synchronous situation with EVA midsoles, avoid sheet rubber and integrally formed can not be asked with EVA
Topic operates therefore, it is possible to the integrated molding of sheet rubber and EVA suitable for any area and thickness.
2, by hot melt adhesive film and EVA midsoles, the hot pressing in EVA molds is integrally formed the sheet rubber vulcanizated, no longer
It needs, using inorganic agent and glue bonding midsole and outsole, to reduce production process, while improving product yield, also drop
Low production cost, also avoids midsole and outsole bonding loosely causes to come unglued and edge is misaligned that influence product beautiful
Problem improves product quality, and improves production environment, avoids the wound of pollution and worker body of the glue to environment
Evil, and more convenient sole of the making with different specific demands.
3, the hot melt adhesive film includes PET extexines and the viscose glue stratum granulosum being attached on PET extexines, in hot melt adhesive film
During the sheet rubber vulcanizated being obtained with integrated vulcanizing in half finished rubber piece mould, the PET extexines of the hot melt adhesive film
Buffer action can be played, viscose glue stratum granulosum can be separated from each other by PET extexines with mold, avoid viscose glue in sulfidation
Granulosa bonds on the mold surface, avoids the problem that the sheet rubber vulcanizated can not demould, effectively realizes hot melt adhesive film energy
Enough vulcanizations together with half finished rubber piece make the operation of the sheet rubber vulcanizated, can save artificial brush coating operation, promote production
Quality, it is highly practical;And by the carrier function of PET extexines, mucilage materials can be with granulated on PET extexines
State exists, and the mucilage materials of particle shape can preferably establish crosslinking relationship between rubber molecule, EVA molecules, effectively carry
The binding force between the sheet rubber vulcanizated and EVA midsoles, Improving The Quality of Products are risen;And the hot melt adhesive film is located at vulcanization
Only to be achieved that by viscose glue stratum granulosum when being combined between good sheet rubber, EVA midsoles, need not be as the PET of carrier outside
Surface layer, then making the product quality of integrated molding sole in mould will not be limited by the physical property of PET extexines, therefore, institute
The sticky degree for only needing to consider viscose glue stratum granulosum when hot melt adhesive film makes is stated, the stretching without considering film forming is strong
The mechanical properties such as degree, processing is simple, at low cost, is suitble to quantitatively produce and use, and reduces the production that sole is integrally formed in mould
Quality influence factor improves product use value.
Specific implementation mode
In conjunction with the drawings and specific embodiments, the present invention is further described.
Referring to figs. 1 to Fig. 2, the embodiment of the present invention discloses, a kind of interior integrated molding sole of mould, including EVA midsoles 1,
Hot melt adhesive film 2, the sheet rubber 3 vulcanizated, the hot melt adhesive film 2 include PET extexines 21 and are attached on PET extexines 21
Viscose glue stratum granulosum 22,22 layers of EVA97%, zinc stearate 1.5%, stearic acid 1.5% for including VA contents 28% of the viscose glue particle, institute
Stating PET extexines 21 and the viscose glue stratum granulosum 22 can be separated from each other, the shapes and sizes of the hot melt adhesive film 2 with it is described
The bottom shape and size of EVA midsoles 1 are adapted;The sheet rubber 3 vulcanizated is by unvulcanized sheet rubber and hot melt adhesive
Integrated vulcanizing is made film 2 in rubber pattern together, the bottom surface of the shapes and sizes and EVA midsoles 1 of the sheet rubber 3 vulcanizated
Shapes and sizes are adapted;The PET extexines 21 of hot melt adhesive film 2 on the sheet rubber 3 vulcanizated are thrown off, it is described to vulcanizate
Sheet rubber 3 is integrated by the way that the viscose glue stratum granulosum 22 and EVA midsoles 1 of hot melt adhesive film 2 are hot-forming in mould, the hot melt adhesive film
2 are set between the EVA midsoles 1 and the sheet rubber 3 vulcanizated.
It is integrally formed sole in the mould designed in summary, the sheet rubber and EVA of any thickness and area can be suitable for
The integrated molding of midsole makes, and is bonded without using glue, reduces production process, improves the yield and quality of product, reduces life
Cost is produced, while avoiding the injury of pollution and worker body of the glue to environment.
The foregoing descriptions are merely the embodiment using this origination techniques content, any those skilled in the art use this wound
Make done modifications and changes, all belong to the scope of the claims of this creation opinion, and is not limited to those disclosed embodiments.