CN100539891C - Foaming machine at the bottom of a kind of EVA two-coloured shoe - Google Patents
Foaming machine at the bottom of a kind of EVA two-coloured shoe Download PDFInfo
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- CN100539891C CN100539891C CNB2006100880505A CN200610088050A CN100539891C CN 100539891 C CN100539891 C CN 100539891C CN B2006100880505 A CNB2006100880505 A CN B2006100880505A CN 200610088050 A CN200610088050 A CN 200610088050A CN 100539891 C CN100539891 C CN 100539891C
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Abstract
The present invention discloses foaming machine at the bottom of the cheap EVA two-coloured shoe of a kind of compact conformation, expense.Comprise that frame reaches the patrix of being located at movably on the frame, a counterdie and an EVA material injection device, mould and being used in also being provided with between patrix and the counterdie the mould shifting device of mould from moving apart between patrix and the counterdie, also be provided with the 2nd EVA material injection device on the described frame, described frame is provided with four guide pillars, two duplex guide pin bushings are located at respectively on four guide pillars movably, described mould shifting device comprises that an overturning oil cylinder and an end are articulated in the pivoted arm on the valve rod of described overturning oil cylinder, the valve body of described overturning oil cylinder is fixed on one of them duplex guide pin bushing, the described pivoted arm other end and described middle mould set firmly and are one, described pivoted arm middle part is articulated on the described duplex guide pin bushing, and the present invention is used to produce the EVA foamed shoe sole with two kinds of colors.
Description
Technical field
The present invention relates to a kind of EVA sole making apparatus, relate in particular to foaming machine at the bottom of a kind of EVA two-coloured shoe.
Background technology
EVA foamed shoe sole manufacturing technology has been known, as the Taiwan technical scheme that No. 87120582 patent disclosed, it is that several melted materials are injected in the same mould by ejaculator with certain pressure, thereby foaming makes the foamed shoe sole with multiple color, but the footwear material that the prepared sole of this technical scheme can not make different colours is distinguished in adjacent boundary part to each other, thereby the inconsistent or asymmetric situation of sole color of same style occurs.The sole shooting foaming method for making of Taiwan No. 87113457 a kind of EVA double-color and double-hardness of patent disclosure combination, this method for making is earlier a kind of EVA material with particular color and hardness to be made bulk, again with the EVA material of shoot mode in its peripheral another kind of color of coating and hardness, form foamed shoe sole thus, but the EVA melted material of injecting after in this kind sole foaming forming process can make still more or less the adjacent boundary of two kinds of colors part be distorted and be difficult to keep a smoothed curve with two kinds of colors.
The Chinese patent CN1736285A that announced on February 22nd, 2006 discloses the manufacture method of a kind of pair of hardness EVA foamed shoe sole, it comprises the steps: to take in advance with EVA is the appropriate amount of material of main component, make still uncrosslinked, foaming but be the block first embryo sheet and the second embryo sheet equally, described this first embryo sheet has different colors and hardness with the second embryo sheet, this the first embryo sheet and the second embryo sheet are inserted in the same mould, and make its predetermined position adjacent, thereby heating mould makes this two embryos sheet carry out crosslinked and foaming makes two hardness EVA foamed shoe sole.This technical scheme weak point is a complex process, need produce the first embryo sheet and the second embryo sheet in advance, and when inserting the first embryo sheet and the second embryo sheet, different operating personnel's placement locations is different, thereby the two hardness foamed shoe sole disunities that make, defect rate height or finishing process that need be follow-up.
Summary of the invention
The purpose of this invention is to provide foaming machine at the bottom of the cheap EVA two-coloured shoe of a kind of compact conformation, expense.
Technical scheme of the present invention is such: foaming machine at the bottom of a kind of EVA two-coloured shoe, comprise that frame reaches the patrix of being located at movably on the frame, a counterdie and an EVA material injection device, mould and being used in also being provided with between patrix and the counterdie the mould shifting device of mould from moving apart between patrix and the counterdie, also be provided with the 2nd EVA material injection device on the described frame, described frame is provided with four guide pillars, two duplex guide pin bushings are located at respectively on four guide pillars movably, described mould shifting device comprises that an overturning oil cylinder and an end are articulated in the pivoted arm on the valve rod of described overturning oil cylinder, the valve body of described overturning oil cylinder is fixed on one of them duplex guide pin bushing, the described pivoted arm other end and described middle mould set firmly and are one, and described pivoted arm middle part is articulated on the described duplex guide pin bushing.
Foaming machine at the bottom of the above-mentioned EVA two-coloured shoe, mould hoist cylinder in also being provided with on the described frame, the valve rod of described middle mould hoist cylinder is fixedly arranged on described two duplex guide pin bushings.
Foaming machine at the bottom of the above-mentioned EVA two-coloured shoe, also comprise a plugging pin oil cylinder, the cylinder body of described plugging pin oil cylinder is fixedly arranged on the duplex guide pin bushing, described plugging pin oil cylinder and described overturning oil cylinder lay respectively at middle mould both sides, and the position of the corresponding described plugging pin oil cylinder valve rod of described middle mould is provided with pin-and-hole and makes that the valve rod of described plugging pin oil cylinder can be freely in described pin-and-hole turnover.
Foaming machine at the bottom of the above-mentioned EVA two-coloured shoe also is arranged with the middle carriage that is used for fixing patrix movably on described each guide pillar, be provided with the elevating mechanism that is used for the described patrix of lifting between described frame and the middle carriage.
Foaming machine at the bottom of the above-mentioned EVA two-coloured shoe, described middle carriage also is provided with and is used to control the footwear core locking cylinder that patrix footwear core ejects, be provided with the moving bar that a patrix footwear core and an end connect described patrix footwear core in the described patrix, the described moving bar other end extends to the outside of patrix and is provided with locating hole, be provided with the spring that is used to make described patrix footwear core to eject from the patrix die cavity between described moving bar and the patrix, the valve rod of described footwear core locking cylinder passes described locating hole in non-die opening state and prevent that patrix footwear core from ejecting from the die cavity of patrix.
Foaming machine at the bottom of the above-mentioned EVA two-coloured shoe, described counterdie is located on the described frame by pressurizing cylinder is removable.
Foaming machine at the bottom of the EVA two-coloured shoe provided by the invention, do not need to produce in advance the first embryo sheet and the second embryo sheet and follow-up embryo sheet positioning process, but by two EVA ejecting devices in first moulding on the equipment at the bottom of crosslinked foaming directly makes the EVA two-coloured shoe again, technology is simple, the yield rate height; By mould and mould shifting device thereof in increasing on the basis of existing foaming machine, control procedure is simple, effectively, and compact conformation saves the foaming machine of the first embryo sheet and the second embryo sheet, and is with low cost.
Description of drawings
Fig. 1 is a foaming machine example structure schematic diagram of the present invention;
The specific embodiment
Before reading the specific embodiment, believe read over No. 87120582 patent in Taiwan, No. 90215337 patent in Taiwan, No. 87113457 patent in Taiwan and on February 22nd, 2006 bulletin Chinese patent CN1736285A help the technical scheme understanding technical problem to be solved by this invention better and adopted.
Embodiment discloses preparation method at the bottom of a kind of EVA two-coloured shoe, and it comprises the steps:
The EVA melt foaming material of a, two kinds of colors injects two die cavitys respectively by EVA ejecting device separately, these two die cavitys are two adjacent die cavitys on the same mould, specifically, two die cavitys are made of patrix and middle mould, middle mould and counterdie respectively, and described middle mould is the common ground of two die cavitys.
B, after expanded material is filled with two die cavitys, two EVA ejecting devices are moved apart mould, patrix is moved to certain height, allow and move a bit of distance on the mould with the alignment pin between mould in leaving and the counterdie in described, then in mould turn over respect to counterdie and turn 90 degrees.
C, allow described patrix be moved downward to lower limit, pressurized cylinder moves up then, realizes matched moulds up and down, and the heating upper and lower mould makes that going up sole embryo sheet carries out crosslinked foaming between adjacent with following sole embryo sheet.
D, through the foamed time set as 4 minutes, open patrix rapidly, the embryo of the sole up and down sheet after crosslinked fuses, and has well-defined two kinds of colors.
In addition, employed foaming machine at the bottom of a kind of making EVA two-coloured shoe also is provided, with reference to figure 1, described foaming machine comprises frame 1, is located at patrix 2, middle mould 3, counterdie 4, an EVA material injection device (not shown), the 2nd EVA material injection device (not shown) on the frame 1, and is used for the mould shifting device of mould 3 from removing between patrix 2 and the counterdie 4.
Wherein, described frame 1 vertically is provided with the guide pillar 5 of four rectangular distributions, per two guide pillars 5 are provided with the duplex guide pin bushing 51 that can be free to slide along guide pillar 5, described mould shifting device comprises overturning oil cylinder 52 and pivoted arm 53, duplex guide pin bushing 51 middle parts on two guide pillars 5 in described left side (left side of corresponding diagram 1) and the cylinder body of overturning oil cylinder 52 are hinged, the valve rod 521 of described overturning oil cylinder 52 is hinged with pivoted arm 53 1 ends, described pivoted arm 53 other ends and middle mould 3 set firmly and are integral, described pivoted arm 53 middle parts 531 are articulated on the duplex guide pin bushing 51, by such setting, when moving to certain altitude on the patrix 2, described middle mould 3 can be done 90 ° of upsets with respect to counterdie 4 under overturning oil cylinder 52 effects.
Described frame 1 is provided with middle mould hoist cylinder 54, specifically, the valve body 541 of middle mould hoist cylinder 54 is fixedly arranged on the frame 1, and the valve rod 542 of described middle mould hoist cylinder 54 is fixedly arranged on the duplex guide pin bushing 51, thereby middle mould hoist cylinder 54 can be controlled the lifting of two duplex guide pin bushings 51.
The right side of mould 3 is provided with pin-and-hole 31 in described, and described right side duplex guide pin bushing 51 (corresponding diagram 1 right side) is provided with plugging pin oil cylinder 55, and the valve rod 551 of described plugging pin oil cylinder 55 can free in and out in described pin-and-hole 31.Like this, when central mould 3 moved up and down, the valve rod 551 of described plugging pin oil cylinder 55 enters described pin-and-hole 31 made whole middle mould 3 at the vertical direction stress equalization.
Also be arranged with the middle carriage 6 that is used for fixing patrix 2 usefulness movably on described four guide pillars 5, described middle carriage 6 is realized quick oscilaltion by elevating mechanism, connected mode between this middle carriage and the frame is existing the application on existing foaming machine, carefully do not state one by one at this as known technology.
Described patrix 2 is provided with patrix footwear core 21, moving bar 22 1 ends are connected with described patrix footwear core 21, upper side and its end that moving bar 22 other ends extend to patrix 2 outsides and pass middle carriage 6 are provided with locating hole 221, be provided with the spring 23 that is used for patrix footwear core 21 is ejected patrix 2 die cavitys between described patrix 2 and the patrix footwear core 21, described middle carriage 6 is provided with footwear core locking cylinder 62, when foaming machine was in for the first time die opening state, the valve rod 621 of described footwear core locking cylinder 62 passed described locating hole 221 and ejects in patrix 2 die cavitys to prevent described patrix footwear core 21.
Be provided with pressurizing cylinder 7 between described frame 1 and the counterdie 4, the valve body of described pressurizing cylinder 7 is fixedly arranged on the frame 1, the valve rod of described pressurizing cylinder 7 is fixedly arranged on counterdie 4 downsides, pressurize by 7 pairs of upper and lower moulds of pressurizing cylinder when foaming like this, mould moved apart back upper and lower mould matched moulds during pressurizing cylinder 7 can also guarantee simultaneously.
In addition, each oil cylinder except that pressurizing cylinder 7 of above-mentioned foaming machine can substitute with cylinder, can realize purpose of the present invention equally.
In the time of at the bottom of utilizing above-mentioned foaming machine to produce the EVA two-coloured shoe, allow the valve rod 551 of plugging pin oil cylinder 55 insert in the pin-and-hole 31 earlier, mould 3 carried out matched moulds with counterdie 4 during middle then mould hoist cylinder 54 moved down and makes, described middle carriage 6 is moved down, realize patrix 2, middle mould 3, counterdie 4 matched moulds, footwear core locking cylinder 62 actions this moment, the valve rod 621 of footwear core oil cylinder 62 enters in the locating hole 221.At this moment, two EVA material injection devices being located at frame 1 rear side to mould near and to the die cavity between patrix 2 and the middle mould 3, middle horizontal 3 and counterdie 4 between die cavity inject the EVA melting charge of two kinds of different colours.
After finishing when shooting material, two EVA material injection devices retreat, middle carriage 6 upwards moves drive patrix 2 at a slow speed and moves up under the effect of patrix elevating mechanism (not shown), this moment the melting charge in the die cavity on the low side and time shortly also has little time foaming because of heating-up temperature, and then the alignment pin during middle mould 3 moves up under middle mould hoist cylinder 54 effects and leaves between mould 3 and the counterdie 4, then plugging pin oil cylinder 55 actions, valve rod 551 retractions of plugging pin oil cylinder 55, then overturning oil cylinder 52 actions, under pivoted arm 53 effects, mould 3 rotated counterclockwise 90 degree (facing Fig. 1 sees) to plumbness during overturning oil cylinder 52 drove, mould 3 during mould hoist cylinder 54 moves down once more and prevents to run into when middle carriage 6 from moving down simultaneously, then middle carriage 6 drive patrixes 2 move down, and counterdie 4 moves final realization patrix 2 and counterdie 4 matched moulds under pressurizing cylinder 7 effects then.Behind the matched moulds, 7 pairs of counterdies 4 of pressurizing cylinder apply and upward pressure and keep, simultaneously, 62 actions of footwear core locking cylinder, its valve rod 621 withdraws from from locating hole 221.
Behind the foamed time of setting, pressurizing cylinder 7 releases, middle carriage 6 rapid rising die sinkings, under spring 23 effects, patrix footwear core 21 ejects from patrix 2 die cavitys, pressurizing cylinder 7 drive counterdies 4 move down simultaneously, during driving, moves on the mould 3 by middle mould hoist cylinder 54, this moment, operating personnel can take off workpiece and to patrix 2 die cavitys, counterdie 4 die cavitys, middle mould 3 lower surfaces clean, pressing button after being over allows described overturning oil cylinder 52 move, middle mould 3 clockwise rotates 90 degree, and then plugging pin oil cylinder 55 actions make its valve rod 551 enter pin-and-hole 31, under middle mould hoist cylinder 54 effects, in mould 3 move down and with counterdie 4 matched moulds, the upper surface of mould 3 in operating personnel's cleaning makes middle carriage drive patrix 2 by the matched moulds button then and moves down realization patrix 2, middle mould 3, counterdie 4 matched moulds, circulation and so forth.
Claims (6)
1, foaming machine at the bottom of a kind of EVA two-coloured shoe, comprise that frame reaches the patrix of being located at movably on the frame, a counterdie and an EVA material injection device, mould and being used in it is characterized in that also being provided with between described patrix and the counterdie the mould shifting device of mould from moving apart between patrix and the counterdie, also be provided with the 2nd EVA material injection device on the described frame, described frame is provided with four guide pillars, two duplex guide pin bushings are located at respectively on four guide pillars movably, described mould shifting device comprises that an overturning oil cylinder and an end are articulated in the pivoted arm on the valve rod of described overturning oil cylinder, the valve body of described overturning oil cylinder is fixed on one of them duplex guide pin bushing, the described pivoted arm other end and described middle mould set firmly and are one, and described pivoted arm middle part is articulated on the described duplex guide pin bushing.
2, foaming machine at the bottom of the EVA two-coloured shoe as claimed in claim 1, mould hoist cylinder in it is characterized in that also being provided with on the described frame, the valve rod of described middle mould hoist cylinder is fixedly arranged on described two duplex guide pin bushings.
3, foaming machine at the bottom of the EVA two-coloured shoe as claimed in claim 2, it is characterized in that also comprising a plugging pin oil cylinder, the cylinder body of described plugging pin oil cylinder is fixedly arranged on the duplex guide pin bushing, described plugging pin oil cylinder and described overturning oil cylinder lay respectively at middle mould both sides, and the position of the corresponding described plugging pin oil cylinder valve rod of described middle mould is provided with pin-and-hole and makes that the valve rod of described plugging pin oil cylinder can be freely in described pin-and-hole turnover.
4, foaming machine at the bottom of the EVA two-coloured shoe as claimed in claim 1 is characterized in that also being arranged with the middle carriage that is used for fixing patrix on described each guide pillar movably, is provided with the elevating mechanism that is used for the described patrix of lifting between described frame and the middle carriage.
5, foaming machine at the bottom of the EVA two-coloured shoe as claimed in claim 4, it is characterized in that described middle carriage also is provided with the footwear core locking cylinder that is used to control the ejection of patrix footwear core, be provided with the moving bar that a patrix footwear core and an end connect described patrix footwear core in the described patrix, the described moving bar other end extends to the outside of patrix and is provided with locating hole, be provided with the spring that is used to make described patrix footwear core to eject from the patrix die cavity between described moving bar and the patrix, the valve rod of described footwear core locking cylinder passes described locating hole in non-die opening state and prevent that patrix footwear core from ejecting from the die cavity of patrix.
6, foaming machine at the bottom of the EVA two-coloured shoe as claimed in claim 1 is characterized in that described counterdie is located on the described frame by pressurizing cylinder is removable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100880505A CN100539891C (en) | 2006-06-17 | 2006-06-17 | Foaming machine at the bottom of a kind of EVA two-coloured shoe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100880505A CN100539891C (en) | 2006-06-17 | 2006-06-17 | Foaming machine at the bottom of a kind of EVA two-coloured shoe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1868359A CN1868359A (en) | 2006-11-29 |
| CN100539891C true CN100539891C (en) | 2009-09-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100880505A Expired - Fee Related CN100539891C (en) | 2006-06-17 | 2006-06-17 | Foaming machine at the bottom of a kind of EVA two-coloured shoe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100539891C (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101920570B (en) * | 2009-06-15 | 2013-02-13 | 上海杜尔邦泰富实业有限公司 | Multicolored rubber sole machine and middle template lifting mechanism thereof |
| CN102302239A (en) * | 2011-06-21 | 2012-01-04 | 宏玮协志(中国)有限公司 | Secondary double-color sole processing technology |
| CN105196519B (en) * | 2015-10-29 | 2018-03-27 | 赵永其 | One-shot forming inflatable mould and the method using its processing hot water bag |
| CN106750871A (en) * | 2017-03-08 | 2017-05-31 | 广东国立科技股份有限公司 | A kind of preparation method of the multi-functional EVA type movement leisure shoe soles of polychrome |
| CN109480381A (en) * | 2018-11-20 | 2019-03-19 | 安徽世界村新材料有限公司 | A kind of high resiliency dual density foam-in-mould rubber soles and its production technology |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3555588A (en) * | 1968-12-19 | 1971-01-19 | Seak Ltd | Manufacture of individual footwear |
-
2006
- 2006-06-17 CN CNB2006100880505A patent/CN100539891C/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3555588A (en) * | 1968-12-19 | 1971-01-19 | Seak Ltd | Manufacture of individual footwear |
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| Publication number | Publication date |
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| CN1868359A (en) | 2006-11-29 |
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