CN108437505A - A kind of sole injection molding and its injection molding method - Google Patents
A kind of sole injection molding and its injection molding method Download PDFInfo
- Publication number
- CN108437505A CN108437505A CN201810214542.7A CN201810214542A CN108437505A CN 108437505 A CN108437505 A CN 108437505A CN 201810214542 A CN201810214542 A CN 201810214542A CN 108437505 A CN108437505 A CN 108437505A
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- China
- Prior art keywords
- sole
- lower mold
- shoe
- moulding
- injection molding
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D35/00—Producing footwear
- B29D35/06—Producing footwear having soles or heels formed and joined on to preformed uppers using a moulding technique, e.g. by injection moulding, pressing and vulcanising
- B29D35/061—Producing footwear having soles or heels formed and joined on to preformed uppers using a moulding technique, e.g. by injection moulding, pressing and vulcanising by injection moulding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D35/00—Producing footwear
- B29D35/0009—Producing footwear by injection moulding; Apparatus therefor
- B29D35/0018—Moulds
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
Abstract
The present invention provides a kind of sole injection molding and its injection moulding methods, for the sole integrally formed with spikes, including lower mold, with Sole moulding chamber, the bottom surface of Sole moulding chamber is by sole face and is located on the shoe last surface of shoes outer side bottom surface and forms, groove compatible with shoe tack is offered on sole face, the prefabricated outsole with shoe tack is fixed on by the grafting with groove in the region in sole face；Upper mold is articulated with the side of lower mold, offers upper of a shoe week along banding mouth, after molding, upper of a shoe week constitutes sole die cavity along banding mouth and Sole moulding chamber.The method is after prefabricated outsole is placed in lower mold, to Sole moulding intracavitary administration Sole moulding liquid, then upper mold and lower mold are molded, upper of a shoe week constitutes sole die cavity along banding mouth and Sole moulding chamber, and prefabricated outsole can be integrally formed on vamp after cooling.The present invention effectively reduces cost of labor, increases production capacity, improves production efficiency.
Description
Technical field
The present invention relates to shoe-making die and patch bottom method and technology field more particularly to a kind of sole injection molding and its injections
Molding method.
Background technology
Shoes mould typically refers to the mold of the footwear such as sport footwear, beach shoes, slippers, rubber overshoes, wherein based on sport footwear.Mould
Tool refer in industrial production to be molded, be blow molded, squeeze out, die casting or the methods of forging forming, smelting, punching press, stretching obtain institute
Need the various moulds and tool of product.
The trend of sport footwear, which has been more than, payes attention to shape design and popularity, and function also has become emphasis with comfort
One of.The especially part of sole, major famous brand sport footwear manufacturer spare no effort to put into the work of innovation one after another.Sole
Therefore mould factory shortens in face of the variation of shoe style free form surface, product life cycle, and promote the demands such as quality；And it is that can reach city
Field demand, certainly will will be substantially improved in the design and manufacturing technology of die for shoe-sole.
Sports shoes bottom materials generally have RB (rubber), RS (blown rubber), TPR (thermoplastic elastomer (TPE)), EVA (ethylene-
Acetate ethylene copolymer, including IMEVA project one-pass molding EVA and CMEVA traditional secondary be molded EVA), PU, TR, BR, TPU,
PVC etc..Different motion shoes sole needs to design different die for shoe-sole because of its material difference, while using different patch bottom sides
The mold of several main materials such as method, wherein RB, EVA, TPR is most widely used.
Such as the Chinese invention patent of 106739055 A of Publication No. CN disclose a kind of rubber soles injection molding and
Injection moulding method, injection molding include the upper mold that can be molded successively, middle mould and lower die, and lower die is provided with the shoes that can be arranged upper of a shoe
Last carving, middle mould are formed with upper of a shoe week up and down along banding hole, and upper mold is formed with Sole moulding slot and is connected to Sole moulding slot
Injection orifice, when molding, upper of a shoe week is along banding hole and shoe tree banding upper of a shoe week edge, middle mould, shoe tree, upper of a shoe week edge and Sole moulding slot
Surround closed sole die cavity.The patent uses injection molding of rubber, but rubber-sole is not particularly suited for taking exercises, shoes are especially
It is football boot, because rubber injection bottom is heavier, and there are the risks of easy degumming, in addition to this, the rubber soles injection mold
Tool is only applicable to make without spikes, and its production method be also not particularly suited for having such as football boot spikes need to be arranged have compared with
Good buffering damping capaicty, to prevent rushing, hit when movement, and cause foot it is injured have spikes.
The mode that sport footwear traditional at present has the patch bottom process of spikes to mostly use artificial brush coating greatly such as football boot will
Sole is fixed with vamp, and which production capacity is low, not only needs to prepare glue in advance, the manual brush coating uniformity after preparing compared with
The phenomenon that difference, brush coating intensity is big repeatedly, and manufactured sport footwear is susceptible to degumming, in addition to this, glue used have certain
Pollution, workers with long time, which is in pollution environment to work, will generate body larger injury.
Invention content
The technical problem to be solved in the present invention is to overcome defect described in the prior art, to provide a kind of sole note
Mold and its injection moulding method are penetrated, of the invention has spikes bottom injection molding there are spikes for making football boot etc., can be by shoes
Bottom integral injection molding reduces cost of labor, increases production capacity, improves production efficiency, which eliminates tradition and match glue
The step of, shorten the production time, obtained product is not easy degumming, washable durable.
In order to achieve the above objectives, the present invention adopts the following technical scheme that：
A kind of sole injection molding, for the sole integrally formed with spikes, including：
Lower mold has Sole moulding chamber, and the bottom surface of the Sole moulding chamber by sole face and is located on the sole
Shoe last surface composition on the outside of face, the sole face match with equipped with the prefabricated outsole of shoe tack, offered on the sole face and
The compatible groove of the shoe tack, the prefabricated outsole are fixed on described by the grafting between the shoe tack and the groove
In the region in sole face；
Upper mold is articulated with the side of the lower mold, offers upper of a shoe week along banding mouth, the upper mold with it is described under
After mold clamping, the upper of a shoe week constitutes sole die cavity along banding mouth and the Sole moulding chamber.
Preferably：The prefabricated outsole is thin slice rubber-sole, and the bottom surface of the thin slice rubber-sole is integrally formed with shoe tack.
Preferably：Engaging slot is additionally provided on the buckling surface of the upper mold, the engaging slot is adapted with the lower mold,
With after the lower mold clamping, the lower mold is fixed in the engaging slot upper mold.
Further：Winding device is respectively equipped on corresponding two trough rims of engaging slot, the winding device is used
The lower mold to be positioned in the engaging slot.
Preferably：The lower mold is equipped with locating piece or locating slot, and the upper mold is equipped with and the locating piece phase
Matched locating slot, or the locating piece that matches with the locating slot.
A method of there is spikes bottom using the injection moulding of above-mentioned sole injection molding, includes the following steps：
(1) shoe tack of the prefabricated outsole is inserted in the groove of the lower mold and is positioned；
(2) to the Sole moulding intracavitary administration Sole moulding liquid for being fixed with the prefabricated outsole；
(3) will cover the good vamp of last carving has the Sole moulding in upper of a shoe week after banding mouth across the upper mold with injection
The lower mold of liquid is molded, and can be obtained to be shaped on vamp after cooling and shaping has spikes bottom.
Preferably：The Sole moulding liquid is polyurethane injection liquid.
Preferably：The injection temperature of the polyurethane injection liquid is 60 ± 5 DEG C.
Preferably：The cooling time is 4-6min.
Beneficial effects of the present invention are：
(1) present invention is used to prepare the spikes that have with shoe tack, such as football spikes, track and field spikes, fishing spikes, Gao Er
The sports running shoes such as husband's spikes have spikes and the maximum distinctive points of traditional sport footwear to be that sole has an alloy nail, thus sole with
The firm connection of vamp is the key for having spikes.The sole injection molding of the present invention is by prefabricated outsole and vamp one with shoe tack
Body formed, effectively overcoming conventionally employed manual brush coating, occurred degumming phenomenon and labor intensity are big, production capacity is low to fix
The problem of.Wherein the bottom surface of Sole moulding chamber by sole face and is located on the shoe last surface of shoes outer side bottom surface and forms, on sole face
Groove compatible with shoe tack is offered, prefabricated outsole can be positioned directly in sole face institute by the grafting between shoe tack and groove
Region in, avoid the problem that occurring when prefabricated outsole to be shaped on vamp offset deviation and generate defect ware,
In use, after prefabricated outsole is placed in lower mold, the Sole moulding intracavitary administration Sole moulding liquid of mold still further below then will be upper
Mold is molded with lower mold, and upper of a shoe week constitutes sole die cavity along banding mouth and Sole moulding chamber, and prefabricated outsole is after cooling
It can be integrally formed on vamp, effectively reduce cost of labor, increase production capacity, improve production efficiency；
(2) it in order to further be accurately positioned vamp and prefabricated outsole, avoids occurring to slide in molding or injection causing
The problems such as molding sole is crooked, engaging slot is arranged in the present invention on the buckling surface of upper mold, and engaging slot is adapted with lower mold；
Locating piece or locating slot can be also set on lower mold simultaneously, the locating slot that setting matches with locating piece on the upper mold, or
The locating piece to match with locating slot；In addition, winding device is respectively set on corresponding two trough rims of engaging slot, work as molding
Afterwards, lower mold is sticked in engaging slot, and locating piece is fixed in locating slot, and lower mold is further located in engaging by winding device
Slot；
(3) the present invention also provides having the method at spikes bottom using the injection moulding of sole injection molding, used in note
It is preferably polyurethane injection liquid to penetrate liquid, since the group contained in polyurethane macromolecular is all highly polar group, and macromolecular
In also contain polyethers or polyester flexible segment, therefore for traditional rubber injection liquid have higher mechanical strength and
Oxidation stability；Higher flexibility and resilience；And excellent oil resistivity, solvent resistance, water resistance and fire resistance, by gathering
Sole dress made of urethane injection is light, is firmly bonded, at low cost and be not easy degumming.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the structural schematic diagram of one embodiment of the invention；
The prefabricated outsole structural schematic diagram that Fig. 2 is provided by one embodiment of the invention；
The Instep structure for shoes schematic diagram that Fig. 3 is provided by one embodiment of the invention.
Reference sign：
Mold under 1-；11- Sole moulding chambers；111- soles face；112- shoe last surfaces；12- grooves；2- upper molds；21- uppers of a shoe
Week is along banding mouth；22- engaging slots；The prefabricated outsoles of 3-；31- shoe tacks；4- vamps；5- winding devices；6- locating pieces；7- locating slots.
Specific implementation mode
Technical scheme of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
The every other embodiment that personnel are obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term "center", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for the description present invention and simplify description, do not indicate or imply the indicated device or element must have a particular orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
Can also be electrical connection to be mechanical connection；It can be directly connected, can also indirectly connected through an intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
As long as in addition, technical characteristic involved in invention described below different embodiments non-structure each other
It can be combined with each other at conflict.
As shown in Figs. 1-3, the present invention provides a kind of sole injection moldings, for the sole integrally formed with spikes, packet
It includes：Lower mold 1 has Sole moulding chamber 11, and the bottom surface of Sole moulding chamber 11 by sole face 111 and is located on sole face 111
The shoe last surface 112 in outside forms, and sole face 111 matches with the prefabricated outsole 3 equipped with shoe tack 31, is offered on sole face 111
Groove 12 compatible with shoe tack 31, prefabricated outsole 3 are fixed on sole face 111 by the grafting between shoe tack 31 and groove 12
Region in；Upper mold 2 is articulated with the side of lower mold 1, offers upper of a shoe week along banding mouth 21, upper mold 2 and lower mold 1
After molding, upper of a shoe week constitutes sole die cavity along banding mouth 21 and Sole moulding chamber 11.
The present invention is used to prepare the spikes that have with shoe tack 31, such as football spikes, track and field spikes, fishing spikes, Gao Er
The sports running shoes such as husband's spikes have spikes and the maximum distinctive points of traditional sport footwear to be that sole has an alloy nail, thus sole with
The firm connection of vamp is the key for having spikes.The sole injection molding of the present invention is by prefabricated outsole 3 and shoes with shoe tack 31
Face 4 is integrally formed, and effectively overcomes the big, production with fixed occurred degumming phenomenon and labor intensity of conventionally employed manual brush coating
The low problem of energy.
Wherein the bottom surface of Sole moulding chamber 11 is by sole face 111 and 112 groups of shoe last surface being located on the outside of sole face 111
At offering groove 12 compatible with shoe tack 31 on sole face 111, prefabricated outsole 3 passes through between shoe tack 31 and groove 12
Grafting can be positioned directly in the region at 111 place of sole face, avoid going out when prefabricated outsole 3 to be shaped on vamp 4
Existing offset deviation leads to the problem of defect ware, when in use, after the merging time of prefabricated outsole 3 mold 1, shoes of mold 1 still further below
Then injection shoes bottom shaping dope in bottom forming cavity 11 molds the upper mold 2 for being equipped with vamp 4 and lower mold 1, upper of a shoe week edge
Banding mouth 21 is corresponding with sole face 111, and constitutes sole die cavity with Sole moulding chamber 11, and Sole moulding liquid is squeezed vamp 4
Pressure filling is cold in the sole die cavity that the madial wall by 4 lateral surface of vamp, shoe last surface 112 and Sole moulding chamber 11 forms
But it is formed prefabricated outsole 3 being shaped on vamp 4 afterwards and has spikes bottom, effectively reduced cost of labor, increase production
Can, improve production efficiency.Wherein hinged mode can be that hinge is arranged between upper mold 2 and lower mold 1, pass through hinge
Realize the molding or die sinking between upper mold 2 and lower mold 1；Prefabricated outsole 3 is preferably bottom surface integrally formed with the thin of shoe tack 31
Piece rubber-sole.
As shown in Figure 1, in order to further be accurately positioned vamp 4 and prefabricated outsole 3, avoid occurring in molding or injection
Sliding the problems such as causing molding sole crooked, engaging slot 22 can also be set on the buckling surface of upper mold 2, engaging slot 22 and
Lower mold 1 is adapted；Locating piece 6 or locating slot 7 can be also set on lower mold 1 simultaneously, setting and locating piece on upper mold 2
6 locating slots 7 to match, or the locating piece 6 that matches with locating slot 7；In addition, on 22 corresponding two trough rims of engaging slot
Be respectively set winding device 5, wherein winding device 5 is to open up threaded hole on the trough rim of engaging slot 22, using with threaded hole phase
The screw of adaptation realizes the fastening to lower mold 1, and after molding, lower mold 1 is sticked in engaging slot 22, while locating piece 6 is solid
It is scheduled in locating slot 7, lower mold 1 is further then being located in engaging slot 22 with winding device 5.
As shown in Figs. 1-3, there is the method at spikes bottom using the injection moulding of sole injection molding the present invention also provides a kind of,
Include the following steps：
(1) shoe tack 31 of prefabricated outsole 3 is inserted in the groove of lower mold 1 and is positioned；
(2) 60 DEG C of polyurethane injection liquid is injected into the Sole moulding chamber 11 for be fixed with prefabricated outsole 3；
(3) will cover the good vamp 4 of last carving has polyurethane injection liquid in upper of a shoe week after banding mouth 21 across upper mold 2 with injection
Lower mold 1 molded, can be obtained to be shaped on vamp 4 after cooling 5min moldings has spikes bottom.
Injection used in it is preferably polyurethane injection liquid, since the group contained in polyurethane macromolecular is all strong
Polar group, and also contain polyethers or polyester flexible segment in macromolecular, therefore for traditional rubber injection liquid
With higher mechanical strength and oxidation stability；Higher flexibility and resilience；And excellent oil resistivity, solvent resistant
Property, water resistance and fire resistance, the sole dress made of polyurethane injection liquid is light, is firmly bonded, at low cost and be not easy degumming.
It is unlike the embodiments above as an alternative embodiment, the note of polyurethane injection liquid in step (2)
It is 65 DEG C to penetrate temperature, and cooling time is 6min in step (3).
It is unlike the embodiments above as another optional embodiment, the note of polyurethane injection liquid in step (2)
It is 55 DEG C to penetrate temperature, and cooling time is 4min in step (3).
The foregoing is merely the specific implementation modes of the present invention, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, all answer by the change or replacement that can be readily occurred in
It is included within the scope of the present invention.Therefore, protection scope of the present invention should be with the scope of the claims
It is accurate.
Claims (9)
1. a kind of sole injection molding, for the sole integrally formed with spikes, which is characterized in that including：
Lower mold has Sole moulding chamber, and the bottom surface of the Sole moulding chamber by sole face and is located on outside the sole face
The shoe last surface of side forms, and the sole face matches with the prefabricated outsole for being equipped with shoe tack, offered on the sole face with it is described
The compatible groove of shoe tack, the prefabricated outsole are fixed on the sole by the grafting between the shoe tack and the groove
In the region in face；
Upper mold is articulated with the side of the lower mold, offers upper of a shoe week along banding mouth, the upper mold and the lower mold
After molding, the upper of a shoe week constitutes sole die cavity along banding mouth and the Sole moulding chamber.
2. sole injection molding according to claim 1, which is characterized in that the prefabricated outsole is thin slice rubber-sole, institute
The bottom surface of thin slice rubber-sole is stated integrally formed with shoe tack.
3. sole injection molding according to claim 1, which is characterized in that be additionally provided with card on the buckling surface of the upper mold
Slot is closed, the engaging slot is adapted with the lower mold, and the upper mold with after the lower mold clamping, fix by the lower mold
In in the engaging slot.
4. sole injection molding according to claim 3, which is characterized in that on corresponding two trough rims of engaging slot
It is respectively equipped with winding device, the winding device is the lower mold to be positioned in the engaging slot.
5. sole injection molding according to claim 1, which is characterized in that the lower mold is equipped with locating piece or positioning
Slot, the upper mold are equipped with the locating slot to match with the locating piece, or the locating piece to match with the locating slot.
6. a kind of method having spikes bottom using the sole injection molding injection moulding as described in any one of claim 1-5, packet
Include following steps：
(1) shoe tack of the prefabricated outsole is inserted in the groove of the lower mold and is positioned；
(2) to the Sole moulding intracavitary administration Sole moulding liquid for being fixed with the prefabricated outsole；
(3) will cover has the Sole moulding liquid in upper of a shoe week of the good vamp of last carving across the upper mold after banding mouth with injection
Lower mold is molded, and can be obtained to be shaped on vamp after cooling and shaping has spikes bottom.
7. according to the method described in claim 1, it is characterized in that, the Sole moulding liquid is polyurethane injection liquid.
8. the method according to the description of claim 7 is characterized in that the injection temperature of the polyurethane injection liquid is 60 ± 5 DEG C.
9. the method according to the description of claim 7 is characterized in that the cooling time is 4-6min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810214542.7A CN108437505A (en) | 2018-03-15 | 2018-03-15 | A kind of sole injection molding and its injection molding method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810214542.7A CN108437505A (en) | 2018-03-15 | 2018-03-15 | A kind of sole injection molding and its injection molding method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108437505A true CN108437505A (en) | 2018-08-24 |
Family
ID=63194553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810214542.7A Pending CN108437505A (en) | 2018-03-15 | 2018-03-15 | A kind of sole injection molding and its injection molding method |
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| Country | Link |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109106001A (en) * | 2018-10-24 | 2019-01-01 | 李宁（中国）体育用品有限公司 | The production mold and production method of Pneumatic soles |
| CN109703089A (en) * | 2019-01-31 | 2019-05-03 | 东莞市兴茂橡塑科技有限公司 | A kind of cast-type polyurethane transparent sole manufacture craft |
| CN110236265A (en) * | 2019-06-13 | 2019-09-17 | 万同军 | A kind of graphene far infrared intelligent Shoes with device temperature control and preparation method thereof |
| US11420133B2 (en) * | 2019-05-22 | 2022-08-23 | Happy Dragon Studio, LLC | Moldable material toy builder |
| CN117584394A (en) * | 2024-01-18 | 2024-02-23 | 晋江市匠成模具科技有限公司 | Three-color three-density shoe, shoe making mold and shoe making method |
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| CN208247521U (en) * | 2018-03-15 | 2018-12-18 | 双驰实业股份有限公司 | A kind of sole injection molding |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109106001A (en) * | 2018-10-24 | 2019-01-01 | 李宁（中国）体育用品有限公司 | The production mold and production method of Pneumatic soles |
| CN109703089A (en) * | 2019-01-31 | 2019-05-03 | 东莞市兴茂橡塑科技有限公司 | A kind of cast-type polyurethane transparent sole manufacture craft |
| US11420133B2 (en) * | 2019-05-22 | 2022-08-23 | Happy Dragon Studio, LLC | Moldable material toy builder |
| CN110236265A (en) * | 2019-06-13 | 2019-09-17 | 万同军 | A kind of graphene far infrared intelligent Shoes with device temperature control and preparation method thereof |
| CN117584394A (en) * | 2024-01-18 | 2024-02-23 | 晋江市匠成模具科技有限公司 | Three-color three-density shoe, shoe making mold and shoe making method |
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