CN1311095A

CN1311095A - Method for producing foamed shoes

Info

Publication number: CN1311095A
Application number: CN 00102831
Authority: CN
Inventors: 纪正贤
Original assignee: Individual
Current assignee: Individual
Priority date: 2000-03-03
Filing date: 2000-03-03
Publication date: 2001-09-05

Abstract

This invention provides a mfg. method for foamed shoe body. The foamed mixture material is tailored with one monolithic foaming or one monolithic ejected foaming expansion into foamed shoe insole primary blank; the said primary blank, a shoe sole coated with adhesive gum and a vamp sleeve on a shoe last are altogether placed in a fixed-shape mould with equiscale for monolithic gun curing or pressing-cooling formation, and pressed into foamed shoe insole peripheral configuration structure with embossed lines, and thus the finished product of foumed shoe body is made up. Alternately, by wrapping and tying a thermo-plastic decorative sheet layer onto the shoe insole primary blank still in high-temp. state and the said layer being grip-positioned in opposite direction on the vamp periphery on the said shoe last by using a set of mould seat gripping device, the foamed shoe body is made up by monolithic gumming pressing.

Description

The manufacture method of foamed shoe body

The present invention relates to footwear art, refer in particular to a kind of manufacture method of foamed shoe body.

Press general by the made footwear body of EVA expanded material, its footwear body structure was formed with the institute's one gummed of the big end of footwear with bottom by the end in the footwear in middle level, and the peripheral rim at the end is established and is glued together a decorative panel strip in footwear, the EVA foamed material layer of footwear body then has preferable elasticity and toughness, its main material consists of with the EVA of predetermined ratio (ethylene vinyl acetate resin), material such as blowing agent and bridging agent is mixed stirring, and become the rubber-like foamed material layer through foamable, nationality is with the material as foamed shoe body, with comfort and the increase elasticity shock-absorbing effect that the foot dress is provided; And once " method for making of the end and periphery contour thereof in the EVA foaming footwear " patent application case was proposed before the inventor to Patent Office of the People's Republic of China, and through checking and approving bulletin, patent gazette is announced No. 287091, the method for making at the end in the relevant a kind of footwear that foam of this patent case, be that the periphery at the end in these foaming footwear then needs other frame to establish and glues together a decorative panel strip, and the manufacture method of relevant this decorative panel strip, " method for making of end periphery contour decorative panel strip in the foaming footwear " the patent case that can consult then that the inventor files an application and check and approve through the Decree of Patent Office of China, patent gazette is announced No. 318810, and this patent case is also through getting permission United States Patent (USP), (United States Patent (USP) certificate the 5th, 843, No. 352), and this patent case discloses a kind of nationality by the quantitative decorative panel strip germule of the foaming made reduce in scale of composite material, and it is inserted in the heat pressing and molding mold or embossing shaper of reduce in scale or equal proportion, made decorative panel strip finished product with embossing lines; In fact, in the foaming footwear in this known patent case method for making behind the position foamings out of the ordinary such as the end and decorative panel strip, giving frame again establishes and composes one, so its not only required machine tool cost of method for making of known foamed shoe body is higher, and its processing procedure is comparatively complicated, necessity that the improvement studied is again arranged in fact, moreover, after portions such as the end and decorative panel strip are positioned at foaming out of the ordinary in the foaming footwear in the known method for making, picked up again and select frame to establish contraposition and compose a footwear body, it then is not to combine together via hot-pressing and foaming that this kind adds the hot gluing mode, so when strenuous exercise's state, the decorative panel strip of its tool embossing lines still has at its gummed position and comes off and glue together untight shortcoming, so how to strengthen the overall construction intensity of foamed shoe body, reach the drawback that improves simultaneously on the known footwear system method, then await the shoemaking dealer in fact and do further research improvement.

In view of this, this case inventor is engaged in the research and development and the manufacturing experience of foaming footwear for many years with it, the improvement of concentrating on studies then, and the phase can be improved above-mentioned shortcoming, and several times trial-manufacture of sample and test, and confirm that specifically the present invention really can reach the expection effect, finish the present invention eventually.

Main purpose of the present invention is to provide the manufacture method of foamed shoe body, its method for making is with the EVA (ethylene vinyl acetate resin) of predetermined ratio, material such as blowing agent and bridging agent is mixed stirring, then this foaming mixture material is expanded with foamable and make a long and flat foaming body, and it is tailored end germule structure in the individual footwear that foamed that pluralize, then, utilize firing equipment to be the condition of high temperature to heat end germule in these footwear that foamed, maybe end germule in the quantitative scaled down footwear is made in this foaming mixture material one ejaculation or spreading, and it is again via the heating of a high-temperature molding mould, treat after the die sinking and end germule structure in the footwear that the complete foaming and intumescing of one becomes to have foamed, subsequently, be about to end germule in these footwear of foaming that are the condition of high temperature, one scribbles the big end of footwear and footwear body member such as vamp that are sheathed on the shoe tree of viscose glue, and the interior one glue of the shaper that is placed in an equal proportion in the lump reaches the pressing cooling and shaping admittedly, and can do moment local warming to this equal proportion shaper, and the shaper of this equal proportion is with this vamp, the footwear body member such as end germule and the big end of footwear in the footwear of having foamed is made the shaper of one pressing, so the present invention is via this cooling pressing fixating shape step, be pressed into end periphery contour structure in the foaming footwear with embossing lines, and be made into integration the finished product of foamed shoe body.And another method for making of foamed shoe body of the present invention is, establish in the peripheral rim of this vamp and to be sewed with a spike layer, and nationality is to coat end germule in these footwear of foaming that are the condition of high temperature, thereupon, nationality is by the mold closing action of shoe tree, bed die seat and two side form seats, be able to a vamp, is high temperature foamed end germule and the big end of footwear in the footwear and the compression moulding of one gummed, and and then can make in these footwear that foam that are the condition of high temperature thermoplasticity spike layer of end germule and coating be able to one to be pressed into and to have embossing lines structure.The another method for making of foamed shoe body of the present invention, it is in one group of die holder anchor clamps is positioned at vamp periphery on the shoe tree with the subtend clamping, and construct corresponding to the apical margin die parting line of two side form seats in the die parting line structure of this group die holder anchor clamps root edge, so when mold closing moves, the root edge die parting line fluid-tight engagement of the apical margin die parting line of this two side forms seat and this group die holder anchor clamps then, make in these footwear that foam that are the condition of high temperature end periphery be able to one and accurately be pressed into structure with embossing lines, then, via the cooling pressing fixating shape step of die holder mould, then opening mold is to take out the finished product of foamed shoe body.

Method for making of the present invention can improve in the known foaming footwear end and its periphery decorative panel strip need separate make after the solid all-in-one-piece shortcoming of glue again, and the made foamed shoe body of the present invention really can strengthen its footwear body structure intensity, simultaneously, the present invention can be by the demand of manufacturing foamed shoe body quality fineness, and its manufacturing equipment and processing procedure are adjusted in arrangement, when significantly being saved manufacturing cost and worker, so the true accessory of the present invention has the invention creation of value and progressive on the industry.

For making the auditor can further understand major technique content of the present invention and effect thereof, lift number preferred embodiment and attached, and describe in detail as the back with graphic:

Fig. 1 is tailored end germule structural representation in the equal proportion footwear that pluralize for the long and flat foaming body that will foam of the present invention.

Fig. 2 is for the end in end germule in the made reduce in scale footwear of the present invention, the footwear that foamed and have the molding structure schematic diagram at the end in the footwear of embossing lines

Fig. 3 is the structural representation of the present invention with the end and a vamp in the made footwear that foam and the typing of the one at the big end of footwear gummed.

Fig. 4 is the made foamed shoe body schematic appearance of the present invention.

Fig. 5 is the foamed shoe body element of embodiments of the invention 2 and the stereochemical structure decomposing schematic representation of part die holder facility.

Fig. 6 is the assembling cross-sectional view at the end in vamp, spike layer and the footwear of embodiments of the invention 2.

Fig. 7 is the assembling cross-sectional view at the end in vamp, spike layer and the footwear of embodiments of the invention 2.(its demonstration will foam in the footwear end set to coat be assembled in vamp bottom and peripheral part thereof)

Fig. 8 is the assembling cross-sectional view at the end in vamp, spike layer and the footwear of embodiments of the invention 2.(it shows that nationality coats in the footwear end in the bottom peripheral edge position of vamp by the spike layer with one)

Fig. 9 is the foamed shoe body element of the embodiment of the invention 3 and the stereochemical structure decomposing schematic representation of part die holder facility.

Figure 10 be the embodiment of the invention 3 relevant bed die seat and about the structural representation of two side form seats.

Figure 11 is the structural representation of the relevant vamp clamping die holder of the embodiment of the invention 3

Figure 12 is the one pressing and forming structural representation of foamed shoe body element in the die holder facility of the embodiment of the invention 3.

Figure 13 is the pressing structure schematic diagram of the die holder facility of the embodiment of the invention 3.

Figure 14 is the foamed shoe sole element of the embodiment of the invention 4 and the stereochemical structure decomposing schematic representation of part die holder facility.

Figure 15 be in the foaming footwear of the embodiment of the invention 4 end element along the cutaway view of x-x line

Figure 16 glues together the footwear cutaway view at the big end for end element in the foaming footwear of the embodiment of the invention 4.

Figure 17 sews up the structural representation of a sandals face for end element periphery in the foaming footwear of the embodiment of the invention 4.

Figure 18 is end element in the relevant foaming footwear of the embodiment of the invention 5, sandals face and the stereochemical structure decomposing schematic representation of die holder facility partly

Figure 19 is the structural representation of an element periphery chimeric sandals face in the end in the foaming footwear of the embodiment of the invention 5.

Figure 20 for end element and sandals face in the foaming footwear of Figure 19 by die holder anchor clamps to be clamped on the structural representation of a shoe tree.

Figure 21 links sheet with stitch be positioned the to foam structural representation at the end in the footwear with the sandals face root edge of Figure 20.

The made foaming sandals of Figure 22 the present invention three-dimensional structure diagram.

Embodiment 1

Consult Fig. 1-Fig. 4, the manufacture method of relevant foamed shoe body of the present invention is with the EVA of predetermined ratio (ethylene vinyl acetate resin), material such as blowing agent and bridging agent is mixed stirring, then this foaming mixture material is expanded with foamable and make a long and flat foaming body 10, and its nationality is tailored this long and flat foaming body 10 by guillotine germule 11 structures in the end in the footwear that foamed that pluralize, then, then utilize firing equipments such as baking oven to heat germule 11 structures in the end in these footwear that foamed, in addition, method for making of the present invention also can directly the foaming mixture material be penetrated with one or end germule 12 in the quantitative reduce in scale footwear is made in spreading, it is again via the heating of a high-temperature molding mould A1, treat opening mold and fully foaming and intumescing become germule 13 structures in the end in the footwear that foamed, then, this method for making is with this being the condition of high temperature and being coated with end germule 11 in the footwear of foaming of viscose glue, 13, the big end 17 of one footwear and footwear body member such as vamp 18 that are sheathed on the shoe tree 19, the interior one glue of shaper B1 that then is placed in an equal proportion in the lump reaches the pressing cooling and shaping admittedly, and in this high temperature has foamed footwear end germule 11,13 and vamp 18 between (for example: polyamine base Ethyl formate) can pour into the thermoplastic expanded material of aqueous PU, make the thermoplastic expanded material of PU be able to expanded foamed this high temperature end germule 11 in the footwear that foamed that takes shape in, 13 and vamp 18 between, in addition and in this shaper B1 with respect to end germule 11 in these footwear that foamed, 13 peripheral position, then nationality is pressed on this high temperature end germule 11 in the footwear that foamed by the top element of pulling being pulled in the little plaque 151 of several pieces tool difformity color materials or shock-absorbing pad 15 tops, on 13, and this shoe tree 19 also can belong to a vapour-pressure type shoe last or hat block body, make the pressing of footwear body stressed more even, can do moment local warming to this shaper in addition, and this equal proportion shaper B1 is to this vamp 18, end germule 11 in the footwear has foamed, 13 and footwear body member such as the big end 17 of footwear make the shaper of one pressing, and end germule 11 in these footwear that foamed, 13 thickness is slightly larger than the chamber wall thickness of this shaper B1, be with, the present invention is via this cooling pressing fixating shape step, be pressed into end periphery contour structure in the foaming footwear with embossing lines, and be made into integration the finished product of foamed shoe body;

Method for making of the present invention also can to this high temperature foamed in the footwear end germule 13 via preliminary fixating shape step after, be beneficial to be embedded a shock-absorbing pad 15 in these germule 13 apical margin shrinkage pools 14, then, this method for making is with end germule 13 in these footwear that foamed, the big end 17 of one footwear and footwear body member such as vamp 18 that are sheathed on the shoe tree 19, then be placed in the lump in one group of pressing mold that can slide up and down clipping, make the above one glue solid pressure synthesis type down of these footwear body member, thereupon, it carries out local heat by the heating facility with germule 13 2 side peripheries in the end in the footwear that this has been foamed, the left and right sides subtend that is beneficial to two side shapers is pressed on germule 13 peripheries in the end in these footwear that foamed, so can finish typing embossing lines to end periphery in these footwear that foamed, be with, the present invention is via this pressing fixating shape step, be pressed into end periphery contour structure in the foaming footwear with embossing lines, and be made into integration the finished product of foamed shoe body;

As for, this is cooling and shaping in the shaper B2 that end germule 13 in the footwear that foam of the condition of high temperature can directly be placed in an equal proportion, and then can utilize warmer that this shaper B2 is done moment local warming if necessary, increase the typing effect of germule 13 periphery contour lines in the end in these footwear that foamed with the part, as for, this equal proportion shaper B2 provides this to be foamed end germule 13 in the footwear of high temperature and makes the shaper of embossing lines, in addition and this method for making also can be carried out surface grinding processing operation to germule 13 peripheries in the end in the chilled footwear that foamed, nationality is to improve the quality at the end in the foaming footwear, then, then need again nationality by high-temperature service with end germule 13 in these chilled footwear that foamed of heating, and in having foamed footwear, this can be embedded with a shock-absorbing pad 15 in heel apical margin shrinkage pool 14 of end germule 13, and the internal face ad-hoc location in this shaper B2 can install several pieces tool difformities in advance, the little plaque 151 of color material, make the little plaque 151 of this specific moulding be able to be the high temperature germule 13 one compression mouldings in the end in the footwear of having foamed with this, so nationality is with the shock-absorbing elasticity that increases the end in the foaming footwear and make it have multifarious shape-designing, cooling and shaping step via this equal proportion shaper B2, made one and had the semi-finished product structure at the end 16 in the foaming footwear of embossing lines and diversity moulding, in addition and this method for making also can be this foamed end germule 13 and in the footwear of condition of high temperature and is sheathed on footwear body member such as vamp 18 on the shoe tree 19, the interior one glue of shaper B2 that then is placed in this equal proportion in the lump reaches the pressing cooling and shaping admittedly, is made into integration the foamed shoe body finished product that need not the big end of footwear;

Also can be made into for end germule 13 in these footwear that foamed and to have the hollow gasbag structure, and when end germule 13 is placed in the stock mould tool B3 in footwear that this high temperature has been foamed, its nationality is stressed on (not shown) in the hollow gasbag of end germule 3 in these footwear that foamed with aeration by the blow pressure tip, and then make the end germule 13 peripheral surface compression swelling effect of being bullied of having foamed in the footwear of this hollow, and be able to be the state of fitting tightly with this shaper B3 wall, end germule 13 is finalized the design be pressed into bottom structure in the foaming footwear with accurate embossing lines, thereupon, then the aeration mouth with the end in these inflatable foaming footwear gives the hot pressing fusion, made bottom structure in the inflatable foaming footwear, and this inflatable bottom structure that foamed in the footwear can install the blowing pressure additional and adjusts element, so this method for making not only can be strengthened the inflatable embossing lines typing effect of end germule 13 in the footwear that foamed, and can significantly reduce expanded material and weight reduction; In addition, (for example: polyamine base Ethyl formate) in having foamed footwear, also can pour into this high temperature the thermoplastic expanded material of aqueous PU in the hollow gasbag of end germule 13, and fine hole in having foamed footwear, this is arranged on end germule 13, make the thermoplastic expanded material of this PU be able to end germule 13 hollow gasbag internal foam moulding in this has foamed footwear, and be made into integration the foaming sport footwear finished product that is filled with the thermoplastic expanded material of PU.

Embodiment 2

Consult Fig. 5-Fig. 8, its foaming footwear method for making comprises following steps: at first be provided with a heelpiece 21 in the bottom surface of a vamp 20, in the periphery of this vamp 20 then frame establish and sew up or cementation has a spike layer 22, wherein this spike layer 22 belongs to a kind of book escutcheon sheet with thermoplasticity material of specific profile moulding and color and luster variation, and these spike layer 22 apical margin frames are established the peripheral part of sewing up or adhering to this vamp 20, as shown in Figure 7, make this spike layer 22 and the intermarginal interlayer accommodation space that is formed with of this 20 week of vamp, in addition in the root edge of this spike layer 22 then around being equipped with a backguy 23, but be sheathed on the shoe tree 29 as for these vamp 20 one, then, can be that end germule 24 is embedded heelpiece 21 positions that are coated on this vamp 20 in the footwear that foam of the condition of high temperature with one, and the periphery of end germule 24 extends edge 25 in this has foamed footwear, then correspondingly be embedded driving fit in the interlayer accommodation space of 22 on this vamp 20 and this spike layer, as shown in Figure 7, end germule 24 can be fully coated fully by

heelpiece

21 and 22 on this spike layer of this vamp 20 in the footwear so this has foamed, but be the present invention's nationality by these spike layer 22 root edges of tension stitch around the backguy 23 that wears, this high temperature has been foamed, and end germule 24 is able to by this spike layer 22 location that coats in the footwear, as shown in Figure 8, so carried out follow-up shoemaking steps such as embossing typing;

Subsequently, the one big end 26 of footwear that scribbles PUR, be embedded on the bed die seat 28, and these bed die seat 28 movable displacements, make this shoe tree 29 and 28 of this bed die seats be subjected to oil (gas) cylinder pressure action and when doing pressing action up and down, and be able to this vamp 20, one is the high temperature end germule 24 and the big end of the footwear one gummed compression moulding down more than 26 in the footwear of having foamed, simultaneously, the side form seat 27 that these bed die seat about 28 two sides are located in the position also can be subjected to the action of oil (gas) cylinder pressure and do the mold closing action, owing to being provided with the embossing lines concavo-convex quarter on these two side forms seat, 27 internal faces, can make this be that high temperature has foamed germule 24 peripheries in the end in the footwear and the thermoplasticity spike layer 22 that coated is able to one and is pressed into and has specific profile and embossing lines moulding construction, then this two side forms seat 27 can heat the part in advance if necessary, and can on the chamber wall of these two side forms seat, 27 shapers, be equipped with fine and closely woven air-vent (not shown) in the part, when making 24 weeks of end germule in these footwear that foamed because of the accurate highly difficult concave convex texture of compacting, and can in mold closing moment to get rid of remnant gas swimmingly, then, via the cooling and shaping step of mould, then opening mold is to make the foamed shoe body finished product with high-quality accurate lines moulding;

In addition, but nationality of the big ends 26 of these footwear is constructed as shown in Figure 5 by its leading edge catch 261 and heel catch 262, and the corresponding ora terminalis position, front and back that is glued at this vamp 20 that coats, nationality is to strengthen the whole glued construction intensity of 20 of the big end 26 of these footwear and vamps, and method for making of the present invention is to make the leading edge catch 261 at the big end 26 of these footwear and the heel catch 262 can be when mold closing, closely be pressed on the ora terminalis position, front and back of vamp 20, so can be when mold closing and by corresponding position be located at a top two side form seats 27 in pull the element (not shown) with roof pressure in the leading edge catch 261 at the big end 26 of these footwear and back account catch 262, promptly in this two side forms seat 27 in mold closing or die sinking when action, then can make corresponding top pull element with returning, be strengthened the structural strength of the gummed adhesion of 20 of front and back ora terminalis of the big ends 26 of these footwear and vamps to do roof pressure or action;

Embodiment 3

Consult Fig. 9-Figure 13, the method for making of its foamed shoe body comprises following steps: at first, its bottom surface in a vamp 30 is provided with a heelpiece 31, and this vamp 30 is sheathed on the shoe tree 39, and this shoe tree 39 can belong to a vapour-pressure type shoe last or hat block body structure and movable displacement, make the pressing of footwear body stressed more even, then, one group of die holder anchor clamps 40 can be positioned at vamp 30 peripheries on this shoe tree 39 with the subtend clamping, then the periphery contour with this vamp 30 is identical to be somebody's turn to do the internal face profile 45 of organizing left and right sides die holder anchor clamps 40, and be provided with the die parting line structure of tool wave contour surface in apical margin 46 correspondences of these group left and right sides die holder anchor clamps 40, and slightly be scalene cone or be equipped with a sheet metal (not shown) in apical margin 46 positions of these die holder anchor clamps 40, make vamp 30 peripheral parts that are coated on these die holder anchor clamps 40 root edges accurately be coated with viscose glue, and foamed to be glued at one exactly that the ends 32 periphery extends in the edge 33 in the footwear, as for, the end 32, is high temperature and is coated with PUR in these foaming footwear, on a bed die seat 38, then be embedded with at the big end 35 of footwear in addition, and also be coated with PUR in the big end 35 of these footwear, make this shoe tree 39 and 38 of this bed die seats be subjected to oil (gas) cylinder pressure action and when doing pressing action up and down, and be able to this vamp 30, one be high temperature foamed in the footwear end 32 and the big end of footwear more than 35 down the one gummed be pressed into a foamed shoe body finished product;

Simultaneously, the side form seat 37 that these bed die seat about 38 two sides are located in the position can be subjected to the action of oil (gas) cylinder pressure and do the mold closing action, since on these two side forms seat, 37 internal faces except that being provided with the embossing lines quarter, and 36 also corresponding die parting line structures that are provided with tool wave contour surface of root edge of two side form seats 37 about this, so when mold closing moves, then root edge 36 die parting lines of this two side forms seat 37 are constructed clamping then to being positioned at the apical margin 46 die parting lines structure of these group left and right sides die holder anchor clamps 40, making this be the condition of high temperature ends 32 periphery edge 33 that foamed in the footwear is able to one and accurately is pressed into the moulding construction with specific profile and embossing lines, then, via the cooling and shaping step of shaper, then opening mold is to take out the finished product of foamed shoe body; Then this two side forms seat 37, shoe tree 39 and this bed die seat 38 can heat the part in advance if having, and for the embossing element of the recycling heating in die parting line position of the ends 32 front-and-back stop edge in these footwear that foamed to do moment local embossing typing operation, to increase the precision press molding effect of foamed shoe body;

Relevant present embodiment method for making, then also can be behind the solid thermoplasticity spike layer 22 of these vamp 30 periphery glue, again nationality by these group left and right sides die holder anchor clamps 40 to be located in the apical margin of this spike layer 22, then, this is the condition of high temperature and has foamed that the end 32 can be coated with complete stitch by the backguy 23 of this spike layer 22 in the footwear, and when mold closing moves, then owing to the root edge 36 of two side form seats 37 about this and the apical margin 46 corresponding die parting lines structures that are provided with tool wave contour surface of these group left and right sides die holder anchor clamps 40, make this spike layer 22 be suppressed with accurate wave profile lines, and its spike layer burr waste material on die parting line, then the processing that also is easy to rim charge is repaiied except that operation, and then increases the quality bills of materials of foamed shoe body.

Embodiment 4

End semi-finished product method for making embodiment in the relevant sandals foaming footwear of the present invention, then see also Figure 14-shown in Figure 17, at first it is in the footwear of foaming of the condition of high temperature front and back end, the ends 54 in one and is equipped with respectively and links sheet 55, on a bed die seat 48, then be embedded with the big end 56 of footwear of a coated heat melten gel, then, when mold closing moves, then these two side forms seat, 57 clampings are to being arranged in 54 peripheries at the bottom of these footwear of foaming that are high temperature, be able to one and accurately be pressed into moulding construction with specific profile and embossing lines, and this shoe tree 49 and 48 of this bed die seats are subjected to oil (gas) cylinder pressure action and when doing pressing action up and down, be able to that this is foamed in the footwear end 54 and the big end 56 of footwear of high temperature and be pressed into one with gummed up and down, and it is via the cooling and shaping step of shaper, then opening mold is to make the semi-finished product of foamed shoe body, then, it can be sutured in a sandals face 50 root edges on this binding sheet 55 that protrudes out with processing, is made into integration a foaming sandals body structure.

Embodiment 5

Relevant sandals foamed shoe body method for making embodiment of the present invention, then see also the 18th figure-shown in Figure 22, at first nationality is positioned at sandals face 50 peripheries on this shoe tree 49 by one group of die holder anchor clamps 60 with the subtend clamping, and this sandals face 50 lateral margins sew up several pieces link sheets 51 and upwards pass a correspondence perforation 53 that is the end 54 in the footwear that foam of high temperature, and then link with these several pieces that sheet 51 is curved to be analysed and be integral with backguy 52 mutual stitches, making this sandals face 50 and this be the high temperature end 54 of having foamed in the footwear is able to clamping and is positioned on this shoe tree 49, on a bed die seat 48, be embedded with in addition a big end 56 of footwear that is coated with PUR, then, when mold closing moves, then these two side forms seat, 57 clampings are high temperature 54 peripheries at the bottom of the footwear that foamed to being arranged in this, be able to one and accurately be pressed into moulding construction with specific profile and embossing lines, and this shoe tree 49 and 48 of this bed die seats are subjected to oil (gas) cylinder pressure action and when doing pressing action up and down, be able to foamed in the footwear end 54 and the big end 56 of footwear of this high temperature is pressed into one with gummed up and down, and it is again via the cooling and shaping step of shaper, then opening mold to be being made into integration foaming sandals body structure, and it serves as a contrast again becomes a foaming sandals body finished product with a shoe-pad 59.

In sum, method for making of the present invention can improve in the known foaming footwear end and its periphery decorative panel strip need separate make after the solid all-in-one-piece shortcoming of glue again, the made foamed shoe body of the present invention then really can strengthen its footwear body structure intensity, simultaneously, the present invention can be by the demand of manufacturing foamed shoe body quality fineness, and its manufacturing equipment and processing procedure are adjusted in arrangement, when significantly being saved manufacturing cost and worker, it is the invention creation that value and progressive on the industry are arranged with, the true accessory of method for making of the present invention.

Claims

1, a kind of manufacture method of foamed shoe body is mixed stirring with the materials such as ethylene vinyl acetate resin, blowing agent and bridging agent of predetermined ratio, this foaming mixture material is expanded with foamable make a long and flat foaming body then; Nationality is tailored this long and flat foaming body by guillotine the end germule structure in the footwear that foamed that pluralizes; Utilize firing equipment to be the condition of high temperature to heat end germule in these footwear that foamed, with this being high temperature and being coated with end germule in the footwear of foaming of viscose glue, one is coated with the big end of footwear and footwear body member such as vamp that are sheathed on the shoe tree of viscose glue, and the interior one glue of the shaper that is placed in an equal proportion in the lump reaches the pressing cooling and shaping admittedly, and can do moment local warming to this equal proportion shaper, and the shaper of this equal proportion is a pair of this vamp, the footwear body member such as end germule and the big end of footwear in the footwear of having foamed is made the shaper of one pressing, via this cooling pressing fixating shape step, be pressed into end periphery contour structure in the foaming footwear with embossing lines, and one is pressed into the finished product of foamed shoe body.

2, the manufacture method of foamed shoe body according to claim 1, it is characterized in that: but in this foaming mixture material one penetrate or end germule in the quantitative scaled down footwear is made in spreading, and it is again via the heating of a high-temperature molding mould, opening mold and one expand into end germule structure in the footwear that foam.

3, the manufacture method of foamed shoe body according to claim 1 is characterized in that: the little plaque that can install several pieces tool difformities, color material in this shaper in advance.

4, the manufacture method of foamed shoe body according to claim 1 is characterized in that: this high temperature has foamed and can pour into aqueous polyurethane thermoplastic foamed material between the end germule and vamp in the footwear.

5, the manufacture method of foamed shoe body according to claim 1 is characterized in that: this shoe tree comprises vapour-pressure type shoe last or hat block body structure.

6, the manufacture method of foamed shoe body according to claim 1 is characterized in that: the thickness of end germule is slightly larger than the chamber wall thickness of this shaper in these footwear that foamed.

7, the manufacture method of foamed shoe body according to claim 1 is characterized in that: end germule comprises having the hollow gasbag structure in these footwear that foamed, and nationality is when being placed in germule in this shaper, and in addition aeration adds and is pressed at the end in the inflatable foaming footwear.

8, the manufacture method of foamed shoe body according to claim 1 is characterized in that: this high temperature has foamed, and end germule also can be placed in the stock mould tool in the footwear, and nationality is pressed into end semi-finished product in the foaming footwear with typing.

9. the manufacture method of a foamed shoe body, ethylene vinyl acetate resin with predetermined ratio, material such as blowing agent and bridging agent is mixed stirring, then this foaming mixture material is made the high temperature end germule in the footwear that foamed with foamable, and this germule via preliminary fixating shape step after, be beneficial to be embedded a shock-absorbing pad in the apical margin shrinkage pool of this germule, then, it is with end germule in these footwear that foamed, the big end of one footwear and footwear body member such as vamp that are sheathed on the shoe tree, then being placed in one group in the lump can slide up and down and make the above jai pressing and forming of one glue down of these footwear body member in the folder pressing mold of pulling, thereupon, its nationality carries out local heat by the heating facility again with germule two side peripheries in the end in the footwear that this has been foamed, the left and right sides subtend that is beneficial to two side shapers is pressed on end germule periphery in these footwear that foamed, and nationality is to be pressed into end periphery contour structure in the foaming footwear with embossing lines.

10. the manufacture method of a foamed shoe body, its method for making comprises following steps: at first be provided with a heelpiece in the bottom surface of a vamp, in the periphery of this vamp then frame establish and sew up or cementation has a spike layer, in addition in the root edge of this spike layer then around being equipped with a backguy, and this vamp one is sheathed on the shoe tree, be with one that end germule is embedded the bottom position that is coated on this vamp in the footwear that foam of the condition of high temperature, and the periphery of end germule extends edge in these footwear that foamed, then can corresponding be embedded driving fit in the interlayer accommodation space of this vamp and this spike layer, end germule can be fully coated fully by heelpiece and this spike layer institute of this vamp in these footwear that foamed, and nationality by tension stitch this spike layer root edge institute around the backguy that wears, make in these footwear of foaming that are the condition of high temperature end germule be able to coat fully and locate by this spike layer institute; Subsequently, on a bed die seat, then be embedded with the big end of footwear, and be coated with PUR in these footwear at big the end, make to be subjected to the action of oil pressure or pneumatic cylinder between this shoe tree and this bed die seat and when doing pressing action up and down, and be able to this vamp, is high temperature foamed end germule and footwear one gummed compression moulding down at the big end in the footwear; Simultaneously, the side form seat that these bed die seat two sides are located in the position can be subjected to oil pressure or pneumatic cylinder to move and move as mold closing, and because the internal face of this two side forms seat is provided with the embossing lines concavo-convex quarter, make this be that the condition of high temperature has foamed end germule periphery in the footwear and the thermoplasticity spike layer that coated is able to one and is pressed into and has embossing lines moulding construction, via the cooling pressing fixating shape step of die holder mould, then opening mold is to take out the finished product of foamed shoe body.

11, the manufacture method of foamed shoe body according to claim 10 is characterized in that: this spike layer belongs to a thin escutcheon sheet with thermoplasticity material of specific profile moulding and color and luster variation.

12. the manufacture method of a foamed shoe body, its method for making comprises following steps: its bottom surface in a vamp is provided with a heelpiece, and this vamp is sheathed on the shoe tree, one group of die holder anchor clamps can be positioned at vamp periphery on this shoe tree with the subtend clamping, and be provided with the die parting line structure of tool wave contour surface in the apical margin correspondence of these group die holder anchor clamps, accurately be coated with viscose glue in vamp root edge and heelpiece extending part, be with one that end germule one is glued at this vamp heelpiece position in the footwear of foaming of the condition of high temperature, on a bed die seat, then be embedded with at the big end of footwear in addition, and also be coated with PUR in these footwear at big the end, make to be subjected to the action of oil pressure or pneumatic cylinder between this shoe tree and this bed die seat and when doing pressing action up and down, and be able to this vamp, one is the high temperature above one down of the end germule and the big end of the footwear gummed compression moulding in the footwear of having foamed; Simultaneously, the side form seat that these bed die seat two sides are located in the position can be subjected to oil pressure or pneumatic cylinder to move and move as mold closing, since on the internal face of this two side forms seat except that being provided with the embossing lines quarter, and the then also corresponding die parting line structure that is provided with tool wave contour surface of root edge in this two side forms seat, so when mold closing moves, then the root edge die parting line of this two side forms seat structure clamping is to being positioned at the apical margin die parting line structure of these group left and right sides die holder anchor clamps, make in these footwear that foam that are the condition of high temperature end germule periphery edge be able to one and accurately be pressed into moulding construction with embossing lines, via the cooling pressing fixating shape step of die holder mould, then opening mold is to take out the finished product of foamed shoe body.

13, the manufacture method of foamed shoe body according to claim 12 is characterized in that: the leading edge catch at this big end of footwear and heel catch nationality by the top pull element with the roof pressure driving fit in ora terminalis position, the front and back of vamp.

14, the manufacture method of foamed shoe body according to claim 12 is characterized in that: the die parting line position of end front-and-back stop edge can utilize the embossing element of heating to do moment local embossing typing operation in these foaming footwear.

15, the manufacture method of foamed shoe body according to claim 12, it is characterized in that: but vamp periphery glue is consolidated-thermoplasticity spike layer, its again nationality by these group left and right sides die holder anchor clamps to be located in the apical margin of this spike layer, this is that end germule can be coated in this spike layer in the footwear of foaming of the condition of high temperature then

16, the manufacture method of foamed shoe body according to claim 12 is characterized in that: but the die parting line of this group die holder anchor clamps root edge structure clamping is to being positioned at the apical margin die parting line structure of this bed die seat.

17, the manufacture method of foamed shoe body according to claim 12 is characterized in that: the apical margin position of these group die holder anchor clamps slightly is scalene cone or is equipped with a sheet metal, to separate the usefulness of viscose glue as thin portion.

18. the manufacture method of a foamed shoe body, its method for making comprises following steps: it is in the footwear of foaming of the condition of high temperature in one, and both sides are equipped with the binding sheet respectively at the end, on a bed die seat, then be embedded with a big end of footwear that is coated with PUR, when mold closing moves, then this two side forms seat clamping is to being arranged in periphery at the bottom of these footwear of foaming that are high temperature, be able to one and accurately be pressed into moulding construction with specific profile and embossing lines, and be subjected to the action of oil pressure or pneumatic cylinder between this shoe tree and this bed die seat and when doing pressing action up and down, be able to that this is foamed in the footwear end and the big end of footwear of high temperature and be pressed into one with gummed up and down, and it is via the cooling and shaping step of shaper, then opening mold is to make the semi-finished product of foamed shoe body, it can be sutured in a sandals face root edge on this binding sheet that protrudes out with processing, is made into integration a foaming sandals body structure.

19, a kind of manufacture method of foamed shoe body, its method for making comprises following steps: its nationality is positioned at sandals face periphery on the shoe tree by one group of die holder anchor clamps with the subtend clamping, bore a hole and upwards pass a correspondence that is the end in the high temperature foaming footwear in several pieces binding sheets that this sandals face lateral margin is sewed up, and then link with these several pieces that sheet is curved to be prayed and be integral with the mutual stitch of backguy, making this sandals face and this be in the high temperature foaming footwear end is able to clamping and is positioned on this shoe tree, on a bed die seat, be embedded with in addition a big end of footwear that is coated with PUR, when mold closing moves, then two side form seat clampings are to being arranged in periphery at the bottom of these foaming footwear that are the condition of high temperature, be able to one and accurately be pressed into moulding construction with specific profile and embossing lines, and between this shoe tree and this bed die seat, be subjected to the action of oil pressure or pneumatic cylinder and when doing pressing action up and down, be able to that this is in the high temperature foaming footwear end and the big end of footwear and be pressed into one with gummed up and down, and via the cooling and shaping step of shaper, then opening mold is to be made into integration foaming sandals body structure again for it.