CN213593473U - Forming die of high-density front-thin and back-thick ETPU sole component - Google Patents
Forming die of high-density front-thin and back-thick ETPU sole component Download PDFInfo
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- CN213593473U CN213593473U CN202022432519.0U CN202022432519U CN213593473U CN 213593473 U CN213593473 U CN 213593473U CN 202022432519 U CN202022432519 U CN 202022432519U CN 213593473 U CN213593473 U CN 213593473U
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- lifting
- sole component
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Abstract
The utility model relates to a forming die of thin back thickness ETPU sole component before high density, including the last mould that is used for shaping sole component top surface, be used for the well mould of shaping sole component side, be used for the fixed lower mould of shaping sole component rear portion bottom surface and be used for the lift lower mould of the anterior bottom surface of shaping sole component, the lift lower mould slides from top to bottom along fixed lower mould, go up mould, well mould, fixed lower mould, lift lower mould and mutually support the die cavity that forms and be used for shaping sole component. The utility model discloses make the lift lower mould keep in the high department of feeding during the feeding, be convenient for with foaming granule evenly distributed in the die cavity, and make the lift lower mould keep in the high department of shaping in the heat pressurization stage, can the shaping sole component that half thickness is littleer and the foaming granule distributes evenly, density is big before going out.
Description
Technical Field
The utility model belongs to the technical field of shoemaking mould, concretely relates to forming die of thick ETPU sole component behind thin before high density.
Background
The popcorn shoe sole is formed by placing foaming thermoplastic polyurethane ETPU particles in a mould, feeding steam into the mould and bonding the foaming thermoplastic polyurethane ETPU particles together, has the advantages of soft texture, good elasticity, good buffering performance, small pressure energy consumption loss, good durability, good heat insulation performance and the like, has the appearance lines of the particles on the surface, and is popular with many consumers.
The double-layer sole is a common structure of a sole component, the upper sole component and the sole component are generally compounded together after being respectively molded, foamed thermoplastic polyurethane (ETPU) particles are added into a die cavity when the ETPU sole is molded, in order to realize uniform distribution of the particles in the die cavity, the front and rear parts of the upper die cavity are not required to be too small in height, otherwise, the particles cannot enter the corresponding positions of the die cavity. Therefore, it is difficult to manufacture a high-density sole member having a front and rear thickness different from each other and a thin front sole portion with a conventional mold.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a forming die of thin back ETPU sole component before high density can the machine-shaping play sole component that palm thickness is on the small side and the foaming granule distributes evenly, density is big before the preceding palm.
In order to realize the purpose of the invention, the utility model adopts the technical scheme that:
thin back ETPU sole component's forming die before high density, including the last mould that is used for shaping sole component top surface, be used for the well mould of shaping sole component side, be used for the fixed lower mould of shaping sole component rear portion bottom surface and be used for the lift lower mould of the anterior bottom surface of shaping sole component, the lift lower mould slides from top to bottom along fixed lower mould, go up mould, well mould, fixed lower mould, lift lower mould and mutually support the die cavity that forms and be used for shaping sole component.
Preferably, the middle die comprises a middle die positioning seat and a middle die forming seat which is integrally formed and is arranged in an upward protruding mode relative to the middle die positioning seat, the middle die forming seat is provided with a forming through hole which is communicated up and down, the middle part of the forming through hole is provided with a forming wall part for forming side textures of the sole component, and the upper part and the lower part of the forming through hole are respectively provided with a matching wall part matched with the upper die and the fixed lower die; the fixed lower die comprises a lower die positioning seat, an integrally formed lower die positioning seat, a lower die core and a lifting hole, wherein the lower die core is arranged on the lower die positioning seat in the front side of the lower die core in an upward protruding mode relative to the lower die positioning seat, the upper die comprises an upper die positioning seat, an integrally formed upper die core is arranged on the upper die positioning seat in a downward protruding mode relative to the upper die positioning seat, the lower die positioning seat is locked with the middle die positioning seat, the upper die positioning seat is locked with the middle die forming seat, the lifting lower die is in sliding fit with the lifting hole in the lifting hole and in contact fit with the lower die core, the lower die core and the upper die core are respectively matched with.
Preferably, the forming wall part is provided with a plurality of convex rings, and the cross section of each convex ring is triangular, trapezoidal or arched.
Preferably, the wall surface of the matching wall portion is a rectangular prism surface which is matched with the upper die core, the lower die core and the lifting lower die and is parallel to the die opening direction.
Preferably, the lower die positioning seats on the left side and the right side of the lifting hole are respectively provided with a guide hole, the guide holes and the lifting hole are arranged at intervals, a guide block is arranged at the position of the lifting lower die corresponding to the guide holes, and the guide block is in sliding fit with the guide holes.
Preferably, the lifting lower die, the lower die core and the upper die core are respectively provided with a plurality of hollowed-out openings penetrating through the die cavity, and the upper die core is also provided with a feed inlet penetrating through the rear part of the die cavity.
Preferably, the bottom of the lower lifting die is connected with a lifting oil cylinder.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model discloses forming die makes during the feeding lift lower mould and lower mould mold core including cooperating in the front and back portion of the shaping through-hole of well mould and adjacent lift lower mould, is convenient for keep foaming granule evenly distributed in the die cavity at the feeding height department, and makes the lift lower mould keep in shaping height department in the heat pressurization stage, can the shaping sole component that palm portion thickness is littleer and foaming granule distributes evenly, density is big before going out.
Drawings
Fig. 1 is the structure schematic diagram of the feeding state of the forming die of the present invention.
Fig. 2 is the structure schematic diagram of the forming state of the forming die of the utility model.
Fig. 3 is the split structure schematic diagram of the forming mold of the present invention.
Fig. 4 is a top view of the fixing lower mold of the present invention.
Fig. 5 is a cross-sectional view of the lifting lower die of the present invention in the left-right direction.
The labels in the figure are: 201. a mold cavity; 202. hollowing out; 21. fixing the lower die; 22. a middle mold; 23. an upper die; 211. a lower die positioning seat; 212. a lower die core; 213. a lifting hole; 214. a guide hole; 221. a middle die positioning seat; 222. a middle die forming seat; 231. an upper die positioning seat; 232. an upper die core; 24. lifting the lower die; 241. and a guide block.
Detailed Description
In order to make the aforementioned and other features and advantages of the invention more comprehensible, embodiments accompanied with figures are described in detail below.
As shown in fig. 1 to 5, the present embodiment provides a forming mold for a high-density front thin and rear thick ETPU sole member, which includes an upper mold 23 for forming a top surface of the sole member, a middle mold 22 for forming a side surface of the sole member, a fixed lower mold 21 for forming a rear bottom surface of the sole member, and an elevating lower mold 24 for forming a front bottom surface of the sole member, wherein the elevating lower mold 24 slides up and down along the fixed lower mold 21, and the upper mold 23, the middle mold 22, the fixed lower mold 21, and the elevating lower mold 24 cooperate with each other to form a mold cavity 201 for forming the sole member.
Well mould 22 includes well mould positioning seat 221 and integrated into one piece and relative well mould positioning seat 221 upwards protruding well mould base 222 of establishing, well mould base 222 has the shaping through-hole that link up from top to bottom, the middle part of shaping through-hole is established to the shaping wall portion that is used for the side texture of shaping sole component and the upper and lower part of shaping through-hole is established respectively to the cooperation wall portion with last mould 23 and fixed lower mould 21 looks adaptation, and is specific: the molded wall part is designed according to the shape and texture of the side surface of the sole, such as a plurality of convex rings which are arranged at the upper part and the lower part, and the cross section of each convex ring is triangular, trapezoidal or arched. The matching wall parts are designed to be matched with the upper die 23, the fixed lower die 21 and the lifting lower die 24 respectively, are designed to be straight prism surfaces which are matched with the upper die core 232, the lower die core 212 and the lifting lower die 24 mutually and are parallel to the die opening direction, and are convenient for die opening.
The fixed lower die 21 comprises a lower die positioning seat 211, a lower die core 212 which is integrally formed and is upwards and convexly arranged relative to the lower die positioning seat 211, and a lifting hole 213 which is formed in the lower die positioning seat 211 at the front side of the lower die core 212, the upper die 23 comprises an upper die positioning seat 231 and an upper die core 232 which is integrally formed and is downwards and convexly arranged relative to the upper die positioning seat 231, the lower die positioning seat 211 and the middle die positioning seat 221 are locked together, the upper die positioning seat 231 and the middle die forming seat 222 are locked together, the lifting lower die 24 is vertically and slidably matched in the lifting hole 213 and in contact with the lower die core 212, and the lower die core 212 and the upper die core 232 are respectively matched and inserted into the matching wall of the middle die 22 to be matched with the middle die forming. The lifting lower die 24, the lower die mold core 212 and the upper die mold core 232 are respectively provided with a plurality of hollow-out openings 202 penetrating through the die cavity 201, and the upper die mold core 232 is also provided with a feed inlet penetrating through the rear part of the die cavity 201.
In this embodiment, the lower mold positioning seats 211 on the left and right sides of the lifting hole 213 are respectively provided with a guiding hole 214, the guiding hole 214 and the lifting hole 213 are arranged at an interval, the position of the lifting lower mold 24 corresponding to the guiding hole 214 is provided with a guiding block 241, the guiding block 241 is in sliding fit with the guiding hole 214, preferably, a lifting cylinder (not shown in the figure) is connected to the bottom of the lifting lower mold 24, the lifting cylinder enables the lifting lower mold 24 to lift and maintain pressure between a feeding height and a molding height, and when the lifting lower mold 24 is at the molding height, the height of the front portion of the mold cavity 201 is significantly lower than the height of the rear portion of the mold.
The forming process of the sole component is as follows: the middle mold positioning seat 221 of the middle mold 22 is locked above the lower mold positioning seat 211 of the fixed lower mold 21, the lower mold core 212 of the fixed lower mold 21 is matched and embedded into the rear part of the lower matching wall part of the middle mold forming seat 222, the lifting lower mold 24 is upwards matched and embedded into the front part of the matching wall part through the lifting hole 213 and is kept at the feeding height, the upper mold positioning seat 231 of the upper mold 23 is locked above the middle mold forming seat 222, and the upper mold core 232 of the upper mold 23 is matched and embedded into the upper matching wall part of the middle mold forming seat 222, so that the mold cavity 201 is formed; and then, filling the foaming raw material into the feeding hole through a material gun, adjusting the lifting lower die 24 to ascend to a forming height after the filling is finished, introducing steam for heating and pressurizing, cooling and shaping after heating for a certain time, opening the die after the cooling is finished, and taking out the formed sole.
Having shown and described the fundamental principles and the principal features of the invention and its advantages, it will be understood by those skilled in the art that the present invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.
Claims (7)
1. Thin back thickness ETPU sole component's forming die before high density, its characterized in that: the forming die comprises an upper die for forming the top surface of a sole component, a middle die for forming the side surface of the sole component, a fixed lower die for forming the rear bottom surface of the sole component and a lifting lower die for forming the front bottom surface of the sole component, wherein the lifting lower die slides up and down along the fixed lower die, and the upper die, the middle die, the fixed lower die and the lifting lower die are matched with each other to form a die cavity for forming the sole component.
2. The mold for forming a high-density, thin-front and thick-rear ETPU sole member according to claim 1, wherein: the middle die comprises a middle die positioning seat and a middle die forming seat which is integrally formed and is arranged in an upward protruding mode relative to the middle die positioning seat, the middle die forming seat is provided with a forming through hole which is communicated up and down, the middle part of the forming through hole is provided with a forming wall part used for forming side textures of the sole component, and the upper part and the lower part of the forming through hole are respectively provided with a matching wall part matched with the upper die and the fixed lower die;
the fixed lower die comprises a lower die positioning seat, an integrally formed lower die core protruding upwards relative to the lower die positioning seat and a lifting hole formed in the lower die positioning seat on the front side of the lower die core, and the upper die comprises an upper die positioning seat and an integrally formed upper die core protruding downwards relative to the upper die positioning seat;
the lower die positioning seat and the middle die positioning seat are locked together, the upper die positioning seat and the middle die forming seat are locked together, the lifting lower die is in up-and-down sliding fit in the lifting hole and is in contact fit with the lower die core, and the lower die core and the upper die core are respectively matched and inserted into the matching wall part of the middle die and are matched with the middle die forming seat and the lifting lower die to form the die cavity.
3. The mold for forming a high-density, thin-front and thick-rear ETPU sole member according to claim 2, wherein: the forming wall part is provided with a plurality of convex rings, and the cross section of each convex ring is triangular, trapezoidal or arched.
4. The mold for forming a high-density, thin-front and thick-rear ETPU sole member according to claim 2, wherein: the wall surface of the matching wall part is a rectangular prism surface which is matched with the upper die core, the lower die core and the lifting lower die and is parallel to the die opening direction.
5. The mold for forming a high-density, thin-front and thick-rear ETPU sole member according to claim 2, wherein: the lower die positioning seats on the left side and the right side of the lifting hole are respectively provided with a guide hole, the guide holes and the lifting hole are arranged at intervals, a guide block is arranged at the position of the lifting lower die corresponding to the guide holes, and the guide block is in sliding fit with the guide holes.
6. The mold for forming a high-density, thin-front and thick-rear ETPU sole member according to claim 2, wherein: the lifting lower die, the lower die core and the upper die core are respectively provided with a plurality of hollowed-out openings which penetrate through the die cavity, and the upper die core is also provided with a feed inlet which penetrates through the rear part of the die cavity.
7. The mold for molding a high-density front thin and rear thick ETPU sole member according to any one of claims 1 to 6, wherein: and the bottom of the lifting lower die is connected with a lifting oil cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022432519.0U CN213593473U (en) | 2020-10-28 | 2020-10-28 | Forming die of high-density front-thin and back-thick ETPU sole component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022432519.0U CN213593473U (en) | 2020-10-28 | 2020-10-28 | Forming die of high-density front-thin and back-thick ETPU sole component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213593473U true CN213593473U (en) | 2021-07-02 |
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ID=76593188
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022432519.0U Active CN213593473U (en) | 2020-10-28 | 2020-10-28 | Forming die of high-density front-thin and back-thick ETPU sole component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213593473U (en) |
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2020
- 2020-10-28 CN CN202022432519.0U patent/CN213593473U/en active Active
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