CN221136671U - EVA (ethylene-vinyl acetate) double-injection-port injection foaming mold - Google Patents
EVA (ethylene-vinyl acetate) double-injection-port injection foaming mold Download PDFInfo
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- CN221136671U CN221136671U CN202322068446.5U CN202322068446U CN221136671U CN 221136671 U CN221136671 U CN 221136671U CN 202322068446 U CN202322068446 U CN 202322068446U CN 221136671 U CN221136671 U CN 221136671U
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- 238000005187 foaming Methods 0.000 title claims abstract description 30
- 238000002347 injection Methods 0.000 title claims abstract description 30
- 239000007924 injection Substances 0.000 title claims abstract description 30
- DQXBYHZEEUGOBF-UHFFFAOYSA-N but-3-enoic acid;ethene Chemical compound C=C.OC(=O)CC=C DQXBYHZEEUGOBF-UHFFFAOYSA-N 0.000 title description 23
- 239000005038 ethylene vinyl acetate Substances 0.000 title description 23
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 title description 23
- 239000000463 material Substances 0.000 claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 47
- 238000001816 cooling Methods 0.000 claims description 13
- 239000000945 filler Substances 0.000 claims 5
- 238000000034 method Methods 0.000 abstract description 7
- 239000007788 liquid Substances 0.000 description 8
- 238000007493 shaping process Methods 0.000 description 8
- 239000000498 cooling water Substances 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 238000007711 solidification Methods 0.000 description 3
- 230000008023 solidification Effects 0.000 description 3
- 239000003086 colorant Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model discloses an EVA double-material injection hole injection foaming mold, which relates to the technical field of EVA foaming molds and comprises a lower mold plate, wherein four groups of limiting holes are formed in the outer surface of the upper end of the lower mold plate, a material passage is formed in the outer surface of the upper end of the lower mold plate, a notch is formed in the outer surface of the front surface of the lower mold plate, the notch is connected with the material passage, two groups of lower shoe cavities are formed in the outer surface of the upper end of the lower mold plate, a plurality of groups of air holes are formed in the inner walls of the two groups of lower shoe cavities, a top plate is arranged on the inner surface of the lower end of the lower shoe cavity, a movable plate is arranged on the outer surface of the lower end of the lower mold plate, four groups of spring rods are arranged on the outer surface of the upper end of the movable plate and are connected with the lower mold plate, six groups of top columns are arranged in the movable plate, each three groups of top columns correspond to the positions of the lower shoe cavities, and the spring rods are utilized to enable the top columns in the movable plate to jack the top plate in the lower shoe cavity so as to finish demolding, and the demolding process is simpler and quicker.
Description
Technical Field
The utility model relates to the technical field of EVA foaming molds, in particular to an EVA double-injection-port injection foaming mold.
Background
Because the EVA resin blending foaming product has the performances of softness, good elasticity, chemical corrosion resistance and the like, the EVA resin blending foaming product is widely applied to shoes such as slippers, sandals, casual shoes and the like as shoe materials, and at present, a single-color EVA injection machine with a single material injection port is mostly adopted as a machine for manufacturing EVA shoes at home and abroad, and the aim of one-time injection molding of the EVA shoes is achieved through the combination of the single-color EVA injection machine and an EVA mold, so that the EVA resin blending foaming product is simple to use and convenient to manufacture.
Along with the improvement of the living standard of people and the personalized requirements, the market has required to produce EVA shoes with two colors or more colors, so the manufacturing process of EVA injection molding by using a traditional EVA injection machine with a single material injection port and a traditional EVA mold is behind, the market requirements cannot be met, the existing foaming mold has a slower shaping process, and the foaming mold is difficult to demould after shaping, so that in order to solve the defects in the prior art, we propose an EVA double material injection port injection foaming mold.
Disclosure of utility model
The utility model mainly aims to provide an EVA double-injection-port injection foaming mold, which can effectively solve the problems in the background technology.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
The utility model provides an EVA is two annotates material mouths and is penetrated foaming mould, includes the bed die board, bed die board upper end surface is provided with four sets of spacing holes, bed die board upper end surface is provided with the material passageway, bed die board front surface is provided with the notch, notch and material passageway are connected, bed die board upper end surface is provided with two sets of shoes die cavities, two sets of shoes die cavity inner wall all is provided with multiunit gas pocket, two sets of shoes die cavity lower extreme internal surface all is provided with the roof, bed die board lower extreme surface is provided with the fly leaf, fly leaf upper end surface is provided with four sets of spring levers and connects bed die board, the inside six sets of lifters that are provided with of fly leaf, wherein every three sets of lifters correspond a set of shoes die cavity positions down.
Preferably, the upper end surface of the lower die plate is provided with an upper die plate, the upper end surface of the upper die plate is provided with four groups of guide rods, the four groups of guide rods penetrate through the upper die plate and are correspondingly connected with four groups of limiting holes, the groove of the outer surface of the front end of the lower die plate is provided with screws, the upper end surface of the upper die plate is provided with two groups of material injection ports, and the lower end surface of the upper die plate is provided with two groups of upper shoe cavities.
Preferably, the outer surface of the lower end of the movable plate is provided with a water tank base, the outer surface of the front surface of the water tank base is provided with two groups of water inlet pipes, the outer surface of one side of the water tank base is provided with a water outlet, and the outer surface of the upper end of the water tank base is provided with a plurality of groups of water cooling pipes.
Preferably, a guide rod is arranged between the upper die plate and the lower die plate, and the upper die plate and the lower die plate are detachably connected through the guide rod.
Preferably, a groove is formed between the lower shoe cavity and the top plate, the lower shoe cavity and the top plate are connected through the groove in a clamping mode, a spring rod is arranged between the lower die plate and the movable plate, and the lower die plate is movably connected with the movable plate through the spring rod.
Preferably, a groove is formed between the water tank base and the water inlet pipe, the water tank base and the water inlet pipe are detachably connected through the groove, a screw is arranged between the water tank base and the movable plate, and the water tank base and the movable plate are detachably connected through the screw.
Advantageous effects
Compared with the prior art, the utility model has the following beneficial effects:
1. According to the utility model, the water inlet pipe is opened through the water tank base, so that cooling water is filled in the water cooling pipe in the water tank base, and the cooling water in the water cooling pipe flows repeatedly, so that the temperature of the die is quickly reduced, the solidification and shaping process of the heated foaming liquid raw material is quickened, the working time is shortened, the working efficiency is improved, and the use requirement of a user can be met.
2. According to the utility model, through the double material injection openings, two groups of lower shoe cavities and upper shoe cavities can be simultaneously injected, so that foaming liquid is uniformly filled into the lower shoe cavities for shaping, the upper die plate and the lower die plate can be fixed through the four groups of guide rods, so that the dies cannot deviate in positioning, after cooling is finished, the upper die plate is disassembled, the movable plate is extruded by pressing the lower die plate, and the ejector columns in the movable plate are pushed up to jack up the top plate in the lower shoe cavities by utilizing the spring rods, so that the demoulding process is simpler and quicker.
Drawings
FIG. 1 is a schematic view of the overall structure of the present utility model;
FIG. 2 is a schematic view of the overall split structure of the present utility model;
FIG. 3 is a schematic view of the lower mold plate structure of the present utility model;
fig. 4 is a schematic view of the upper die plate structure of the present utility model.
In the figure: 1. a lower die plate; 2. a movable plate; 3. a notch; 4. a water outlet; 5. a water inlet pipe; 6. a sink base; 7. an upper die plate; 8. a guide rod; 9. a screw; 10. a material injection port; 11. a limiting hole; 12. a lower shoe cavity; 13. a top plate; 14. a water-cooled tube; 15. a material passage; 16. a top column; 17. air holes; 18. a spring rod; 19. and (5) shoe feeding mold cavities.
Detailed Description
The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
In the first embodiment, as shown in fig. 1-4, when in use, through the double injection openings 10 on the outer surface of the upper mold plate 7, two groups of lower shoe cavities 12 and upper shoe cavities 19 can be simultaneously injected, so that foaming liquid can be uniformly filled into the lower shoe cavities 12 to carry out a cooling shaping process, the upper mold plate 7 and the lower mold plate 1 can be fixed through the four groups of guide rods 8, the mold cannot deviate in positioning, when in operation, cooling water can be filled into the water cooling pipe 14 in the water tank base 6 by opening the water inlet pipe 5, the temperature of the mold is quickly reduced by repeatedly flowing cooling water in the water cooling pipe 14, the solidification shaping process of the heated foaming liquid raw material is quickened, waste cooling water can be discharged from the water tank base 6 through the water outlet 4, the working time is shortened, the working efficiency is improved, and the use requirement of a user can be met.
In the second embodiment, as shown in fig. 1-4, an EVA dual-injection-port injection foaming mold, in which the overflowed foaming liquid seeps into the channel 15 during the injection process, flows out of the mold through the notch 3 to be recovered, after cooling is finished, the upper mold plate 7 is disassembled, the movable plate 2 is pressed by pressing the lower mold plate 1, the top plate 13 in the lower shoe cavity 12 is jacked up by the jack post 16 inside the movable plate 2 by the spring rod 18, so that the demolding process is completed, the demolding process is simpler and quicker, when the upper mold plate 7 and the lower mold plate 1 are covered, the upper shoe cavity 19 and the lower shoe cavity 12 are combined into a complete shoe cavity, and in the injection process, the generated bubbles are reduced by the air holes 17 arranged on the inner walls of the two groups of the lower shoe cavities 12, so that the quality of the produced sole is higher.
Principle of operation
It should be noted that, when in use, the utility model is an EVA double-injection hole injection foaming mold, through the double-injection hole 10 on the outer surface of the upper mold plate 7, two groups of lower shoe cavities 12 and upper shoe cavities 19 can be simultaneously injected, so that foaming liquid is uniformly filled into the lower shoe cavities 12 for cooling and shaping, the upper mold plate 7 and the lower mold plate 1 can be fixed through four groups of guide rods 8, so that the mold cannot deviate during positioning, when in operation, the water inlet pipe 5 is opened, so that cooling water is filled into the water cooling pipe 14 in the water tank base 6, the temperature of the mold is rapidly reduced through repeated flow in the water cooling pipe 14, the solidification and shaping process of the heated foaming liquid raw material is accelerated, the waste cooling water can be discharged from the water tank base 6 through the water outlet 4, foaming liquid overflowed in the material injection process seeps into the material passage 15 and flows out of the die through the notch 3 to be recovered, after cooling is finished, the upper die plate 7 is disassembled, the movable plate 2 is extruded by pressing the lower die plate 1, the top plate 13 in the lower shoe cavity 12 is jacked up by the jack post 16 in the movable plate 2 by the spring rod 18, so that demoulding is completed, when the upper die plate 7 and the lower die plate 1 are covered, the upper shoe cavity 19 and the lower shoe cavity 12 are combined into a complete shoe cavity, and air holes 17 are formed in the inner walls of the two groups of lower shoe cavities 12 during material injection, so that generated air bubbles can be reduced, and the produced sole has higher quality.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (6)
1. EVA two notes material mouth ejection foaming mould, including bed die board (1), its characterized in that: the novel shoe mold comprises a lower mold plate (1), and is characterized in that four groups of limiting holes (11) are formed in the outer surface of the upper end of the lower mold plate (1), a material passage (15) is formed in the outer surface of the upper end of the lower mold plate (1), a notch (3) is formed in the outer surface of the front surface of the lower mold plate (1), the notch (3) is connected with the material passage (15), two groups of lower shoe cavities (12) are formed in the outer surface of the upper end of the lower mold plate (1), a plurality of groups of air holes (17) are formed in the inner wall of each lower shoe cavity (12), a top plate (13) is arranged on the inner surface of the lower end of each lower shoe cavity (12), a movable plate (2) is arranged on the outer surface of the lower end of each lower mold plate (1), four groups of spring rods (18) are connected with the lower mold plate (1), six groups of top posts (16) are arranged inside the movable plate (2), and each three groups of top posts (16) correspond to the positions of one group of lower shoe cavities (12).
2. The EVA double-filler injection foaming mold according to claim 1, wherein: the upper end surface of lower mould board (1) is provided with mould board (7), it is provided with four guide bars (8) to go up mould board (7) upper end surface, four sets of guide bars (8) pass mould board (7) and four limit hole (11) of group and correspond to be connected, lower mould board (1) front end surface recess department is provided with screw (9), it is provided with two sets of material mouths (10) to go up mould board (7) upper end surface, it is provided with shoe die cavity (19) to go up mould board (7) lower extreme surface.
3. The EVA double-filler injection foaming mold according to claim 1, wherein: the water tank is characterized in that a water tank base (6) is arranged on the outer surface of the lower end of the movable plate (2), two groups of water inlet pipes (5) are arranged on the outer surface of the front surface of the water tank base (6), a water outlet (4) is arranged on the outer surface of one side of the water tank base (6), and a plurality of groups of water cooling pipes (14) are arranged on the outer surface of the upper end of the water tank base (6).
4. The EVA double-filler injection foaming mold according to claim 2, wherein: guide rods (8) are arranged between the upper die plate (7) and the lower die plate (1), and the upper die plate (7) and the lower die plate (1) are detachably connected through the guide rods (8).
5. The EVA double-filler injection foaming mold according to claim 1, wherein: the novel shoe mold is characterized in that a groove is formed between the lower shoe mold cavity (12) and the top plate (13), the lower shoe mold cavity (12) and the top plate (13) are connected in a clamping mode through the groove, a spring rod (18) is arranged between the lower mold plate (1) and the movable plate (2), and the lower mold plate (1) and the movable plate (2) are movably connected through the spring rod (18).
6. An EVA double-filler injection foaming mould according to claim 3, wherein: the novel water tank is characterized in that a groove is formed between the water tank base (6) and the water inlet pipe (5), the water tank base (6) and the water inlet pipe (5) are detachably connected through the groove, a screw is arranged between the water tank base (6) and the movable plate (2), and the water tank base (6) and the movable plate (2) are detachably connected through the screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322068446.5U CN221136671U (en) | 2023-08-03 | 2023-08-03 | EVA (ethylene-vinyl acetate) double-injection-port injection foaming mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322068446.5U CN221136671U (en) | 2023-08-03 | 2023-08-03 | EVA (ethylene-vinyl acetate) double-injection-port injection foaming mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221136671U true CN221136671U (en) | 2024-06-14 |
Family
ID=91427110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322068446.5U Active CN221136671U (en) | 2023-08-03 | 2023-08-03 | EVA (ethylene-vinyl acetate) double-injection-port injection foaming mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221136671U (en) |
-
2023
- 2023-08-03 CN CN202322068446.5U patent/CN221136671U/en active Active
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