CN204800960U - Polychrome EVA jets out mould - Google Patents

Abstract

The utility model relates to a system shoe mold utensil technical field provides one kind and is applicable to present monochromatic EVA and jets out the board, can effectually produce the off -the -shelf polychrome EVA jets out mould of double -colored or polygenetic EVA, from top to bottom in proper order including hanger plate, backing plate, shrouding on, mould, medium plate and lower mould, it is located the two relative that and all is equipped with the die cavity on simultaneously to go up mould and lower mould, upward still be equipped with the sprue that is linked together rather than the die cavity on the mould, the medium plate is for extracting the locating between mould and the lower mould of formula, be connected through suspension structure between hanger plate and the shrouding, suspension structure can follow and hangs the plate thickness orientation and stretch out and draw back, form the chamber that holds that has the function of opening and shutting through suspension structure between hanger plate and the shrouding, the backing plate holds the intracavity for extracting locating of formula.

Description

Polychrome EVA jetting mold

Technical field

The utility model relates to shoe-making die technical field, particularly a kind of polychrome EVA jetting mold.

Background technology

Because the blended foaming product of EVA resin has softness, good springiness, the performances such as resistance to chemical attack, therefore slippers are widely used in by as footwear material, sandals, in the shoes such as playshoes, what the domestic and international board for making EVA shoe adopted mostly at present is monochromatic EVA injection board, the combination penetrating board and EVA mould by monochromatic EVA reaches the object of an EVA shoe ejection formation, use simple, it is convenient to make, but, the EVA mould being applicable to monochromatic EVA injection board at present can only for the production of the various slippers of monochromatic EVA material, the finished products such as sole, because the single rifle of penetrating that monochromatic EVA penetrates board can only be disposable by a kind of color, the EVA raw material of single physical property injects in EVA mould and carries out disposal molding foaming, and along with the raising of people's living standard and the requirement of personalization, market has needed to produce the EVA shoe of double-colored or more color, therefore, traditional monochromatic EVA injection board and traditional EVA mould is used to carry out the manufacture craft backwardness of EVA ejection formation, can not meet the need of market.

Number of patent application is the Chinese patent of 201110281544.6, disclose a kind of mould manufactured at the bottom of double-color EVA shoes, it comprises patrix, counterdie, on every colour table, under every colour table, the centre of upper die and lower die is provided with die cavity, on match with patrix every colour table, under match with counterdie every colour table, upper die and lower die are equipped with the passage of injection EVA material to die cavity, mould at the bottom of described making double-color EVA shoes is had two the double-colored EVA penetrating rifle and penetrates board with special and be combined, effectively can realize the making of double-color EVA shoes, improve workmanship and production efficiency, but, mould at the bottom of described manufacture double-color EVA shoes needs to coordinate special double-colored EVA to penetrate board to use, then the producer will make double-colored EVA foamed shoe sole, again certainly will to purchase a double-colored EVA and penetrate board, this special double-colored EVA penetrates board high cost, add production cost, a lot of small-sized Xie Cai manufacturer can cannot purchase through want of funds, at present, a lot of Xie Cai manufacturers existing use machine mostly is monochromatic EVA and penetrates board, mould at the bottom of described manufacture double-color EVA shoes is only applicable to double-colored EVA and penetrates board, fully not effective combination utilizes existing monochromatic EVA to penetrate board, also monochromatic EVA can be caused to penetrate the idle of board, cause the wasting of resources.

Therefore, how mould and monochromatic EVA are penetrated board be fully effectively combined utilize to reach double-colored or problem that polychrome EVA shoe makes object be current shoe-making die technical field be badly in need of the technical problem that solves.

Summary of the invention

Therefore, for above-mentioned problem, the utility model proposes one and be applicable to existing monochromatic EVA injection board, effectively can produce polychrome EVA jetting mold that is double-colored or polychrome EVA finished product.

For realizing above-mentioned technical problem, the solution that the utility model is taked is: polychrome EVA jetting mold, include boatswain chair successively from top to bottom, backing plate, shrouding, patrix, middle plate and counterdie, described upper die and lower die are positioned in the two relative side and are equipped with die cavity, described patrix is also provided with the sprue be connected with its die cavity, described middle plate be drawing out type be located between patrix and counterdie, described boatswain chair is connected by overhung construction with between shrouding, described overhung construction can stretch along the thickness direction of boatswain chair, form by overhung construction the container cavity that has folding function between described boatswain chair and shrouding, described backing plate is being located in container cavity of drawing out type.

Further: described overhung construction is made up of suspension rod and the spring be sheathed on suspension rod, and described suspension rod has Telescopic, and one end of described suspension rod is located on boatswain chair, and the other end is located on shrouding, and described spring is between boatswain chair and shrouding.

Further: described patrix lower surface both sides are respectively provided with two the first positioning convex, described counterdie upper surface both sides are respectively provided with two the first detents, described middle plate upper surface both sides are respectively provided with two the second detents, middle plate lower surface both sides are respectively provided with two the second positioning convex, first positioning convex of described patrix all can mate with the second detent of the first detent of counterdie, middle plate and be connected, and the first detent of described counterdie also can mate with the second positioning convex of middle plate and be connected.

Further: described first positioning convex, the first detent, the second positioning convex, the second detent are taper surface structure.

By adopting preceding solution, the beneficial effects of the utility model are: the polychrome EVA jetting mold of design as mentioned above compared with prior art, has following advantage:

Comprise the steps: when 1, preparing double-colored by described polychrome EVA jetting mold 1. to penetrate with existing traditional monochromatic EVA mould and existing traditional monochromatic EVA the prefoam EVA shoe embryo that board produces the first tone, 2. described polychrome EVA jetting mold is used, the prefoam EVA shoe embryo of the first tone first step 1. prepared is placed in the counterdie die cavity of described polychrome EVA jetting mold, middle plate is placed between upper die and lower die, extract backing plate simultaneously, enable the thickness of described polychrome EVA jetting mold mate existing traditional monochromatic EVA and penetrate board use, then penetrating board by existing traditional monochromatic EVA injects in the die cavity of patrix by single rifle of penetrating from the sprue of patrix by the EVA material of the second tone, form the prefoam EVA shoe embryo of the second tone, extract middle plate subsequently, backing plate is packed between boatswain chair and shrouding simultaneously and carries out thickness compensation, make polychrome EVA jetting mold still keep before same thickness penetrate board to adapt to mating existing traditional monochromatic EVA, sealing is kept time polychrome EVA mould is used, then the prefoam EVA shoe embryo of the first tone is made by stitching operation, the prefoam EVA shoe embryogenesis double-colored prefoam EVA shoe embryo of the second tone, in polychrome EVA jetting mold, foaming is directly carried out to this double-colored prefoam EVA shoe embryo just directly can obtain double-color EVA shoes if 3. now direct, and if desired form the EVA shoe of more polychrome, then to step 2. in double-colored EVA prefoam footwear embryo do not carry out foaming process, directly from mould, take out double-colored prefoam EVA shoe embryo, double-colored prefoam EVA shoe embryo is put into the counterdie die cavity of described polychrome EVA jetting mold, repeat the EVA material that step corresponding operating 2. injects three color scheme, can structure be just three look prefoam EVA shoe embryos, then carry out foaming and just obtain three look EVA shoe, on this basis, can need 2. to carry out corresponding number of cycles operation to step according to color, just can obtain polychrome EVA shoe fast,

Therefore, described polychrome EVA jetting mold structure is simple, easy to use, effectively penetrate in conjunction with existing traditional monochromatic EVA mould and existing traditional monochromatic EVA the improvement that board carries out production procedure, achieve the object just can manufacturing the EVA shoe of double-colored even polychrome in the situation penetrating board without the need to increasing any special double-colored EVA, make full use of existing resource, reduce production cost, be applicable to various Xie Cai manufacturer and use; And the object of polychrome can not only be reached by the product that described polychrome EVA jetting mold is produced, because the EVA material of each tone is that point not homogeneous operating procedure is not injected in mould respectively, as long as what therefore the EVA material of each each tone injected had is different raw material physical property, the product then produced by described polychrome EVA jetting mold is just also provided with different raw material physical property simultaneously, different physical requirements can be met, further improve the practicality of product, be beneficial to product promoting the use of commercially.

2, overhung construction between the boatswain chair of described polychrome EVA jetting mold and shrouding is made up of suspension rod and the spring be sheathed on suspension rod, described suspension rod has Telescopic, one end of described suspension rod is located on boatswain chair, the other end is located on shrouding, described spring is between boatswain chair and shrouding, then take out at backing plate, boatswain chair is made by pressing, shrouding, patrix, when mutually combining closely between middle plate and counterdie, spring can produce repulsion stress, the moment be drawn out of then is needed at middle plate, the repulsion stress of spring can make shrouding, patrix moves down rapidly to mate with counterdie and combines, the repulsion stress of spring also makes boatswain chair simultaneously, container cavity between shrouding can open rapidly, backing plate can be inserted wherein rapidly, therefore, when during described overhung construction can effectively keep, plate is drawn out of that moment described polychrome EVA jetting mold entirety tight sealing, structure is simple, practicality is high.

3, the location structure of the first positioning convex of described patrix, the first detent of counterdie, the second detent of middle plate, the second positioning convex of middle plate, make middle plate and upper die and lower die in conjunction with time Stability Analysis of Structures not easily depart from, can effectively be pulled out rapidly in one direction under the positioning and guiding of projection, groove when also making middle plate be drawn out of, in like manner, after middle plate is drawn out of, between patrix and counterdie, also improve structural stability by protruding with the positioning action of groove.

Accompanying drawing explanation

Fig. 1 is the structural representation of the utility model embodiment.

Detailed description of the invention

Now with specific embodiment, the utility model is further illustrated by reference to the accompanying drawings.

With reference to figure 1, what the utility model embodiment disclosed is, polychrome EVA jetting mold, include boatswain chair 1, backing plate 2, shrouding 3, patrix 4, middle plate 5 and counterdie 6 from top to bottom successively, described patrix 4 and counterdie 6 are positioned in the two relative side and are equipped with die cavity, described patrix 4 is also provided with the sprue 41 be connected with its die cavity, what described middle plate 5 was drawing out type is located between patrix 4 and counterdie 6, described patrix 4 lower surface both sides are respectively provided with two the first positioning convex 42, described counterdie 6 upper surface both sides are respectively provided with two the first detents 61, described middle plate 5 upper surface both sides are respectively provided with two the second detents 51, middle plate 5 lower surface both sides are respectively provided with two the second positioning convex 52, first positioning convex 42 of described patrix 4 and the first detent 61 of counterdie 6, second detent 51 of middle plate 5 all can mate connection, first detent 61 of described counterdie 6 also can mate with the second positioning convex 52 of middle plate 5 and be connected, described first positioning convex 42, first detent 61, second positioning convex 52, second detent 51 is taper surface structure,

Described boatswain chair 1 is connected by overhung construction 7 with between shrouding 3, described overhung construction 7 can stretch along the thickness direction of boatswain chair, form by overhung construction 7 container cavity that has folding function between described boatswain chair 1 and shrouding 3, what described backing plate 2 was drawing out type is located in container cavity; Described overhung construction 7 is made up of suspension rod and the spring be sheathed on suspension rod, and described suspension rod has Telescopic, and one end of described suspension rod is located on boatswain chair, and the other end is located on shrouding, and described spring is between boatswain chair and shrouding.

The polychrome EVA jetting mold designed in sum, structure is simple, easy to use, effectively penetrate in conjunction with existing traditional monochromatic EVA mould and existing traditional monochromatic EVA the improvement that board carries out production procedure, achieve the object just can manufacturing the EVA shoe of double-colored even polychrome in the situation penetrating board without the need to increasing any special double-colored EVA, make full use of existing resource, reduce production cost, be applicable to various Xie Cai manufacturer and use; And the object of polychrome can not only be reached by the product that described polychrome EVA jetting mold is produced, because the EVA material of each tone is that point not homogeneous operating procedure is not injected in mould respectively, as long as what therefore the EVA material of each each tone injected had is different raw material physical property, the product then produced by described polychrome EVA jetting mold is just also provided with different raw material physical property simultaneously, different physical requirements can be met, further improve the practicality of product, be beneficial to product promoting the use of commercially.

Above, be only the embodiment utilizing this origination techniques content, the modification that any those skilled in the art use this creation to do, change, all belong to the scope of the claims that this creation is advocated, and be not limited to those disclosed embodiments.

Claims (4)

1. polychrome EVA jetting mold, it is characterized in that: include boatswain chair successively from top to bottom, backing plate, shrouding, patrix, middle plate and counterdie, described upper die and lower die are positioned in the two relative side and are equipped with die cavity, described patrix is also provided with the sprue be connected with its die cavity, described middle plate be drawing out type be located between patrix and counterdie, described boatswain chair is connected by overhung construction with between shrouding, described overhung construction can stretch along the thickness direction of boatswain chair, form by overhung construction the container cavity that has folding function between described boatswain chair and shrouding, described backing plate is being located in container cavity of drawing out type.

2. polychrome EVA jetting mold according to claim 1, it is characterized in that: described overhung construction is made up of suspension rod and the spring be sheathed on suspension rod, described suspension rod has Telescopic, one end of described suspension rod is located on boatswain chair, the other end is located on shrouding, and described spring is between boatswain chair and shrouding.

3. polychrome EVA jetting mold according to claim 1 and 2, it is characterized in that: described patrix lower surface both sides are respectively provided with two the first positioning convex, described counterdie upper surface both sides are respectively provided with two the first detents, described middle plate upper surface both sides are respectively provided with two the second detents, middle plate lower surface both sides are respectively provided with two the second positioning convex, first positioning convex of described patrix and the first detent of counterdie, second detent of middle plate all can mate connection, first detent of described counterdie also can mate with the second positioning convex of middle plate and be connected.

4. polychrome EVA jetting mold according to claim 3, is characterized in that: described first positioning convex, the first detent, the second positioning convex, the second detent are taper surface structure.