CN220800233U - Three-dimensional relief of vamp - Google Patents
Three-dimensional relief of vamp Download PDFInfo
- Publication number
- CN220800233U CN220800233U CN202322269433.4U CN202322269433U CN220800233U CN 220800233 U CN220800233 U CN 220800233U CN 202322269433 U CN202322269433 U CN 202322269433U CN 220800233 U CN220800233 U CN 220800233U
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- relief
- base cloth
- vamp
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- 239000004744 fabric Substances 0.000 claims abstract description 38
- 239000000463 material Substances 0.000 claims abstract description 11
- 238000001746 injection moulding Methods 0.000 claims description 7
- 229920000728 polyester Polymers 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 9
- 239000010410 layer Substances 0.000 description 69
- 238000004519 manufacturing process Methods 0.000 description 16
- 239000002994 raw material Substances 0.000 description 7
- 238000003825 pressing Methods 0.000 description 6
- 238000005507 spraying Methods 0.000 description 6
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000002347 injection Methods 0.000 description 5
- 239000007924 injection Substances 0.000 description 5
- 239000003086 colorant Substances 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 238000009940 knitting Methods 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 238000007592 spray painting technique Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 239000010985 leather Substances 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000000748 compression moulding Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000004049 embossing Methods 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- 229920001169 thermoplastic Polymers 0.000 description 2
- 239000012815 thermoplastic material Substances 0.000 description 2
- 239000002966 varnish Substances 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000003373 anti-fouling effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Abstract
The utility model relates to the field of shoe material products, in particular to a vamp three-dimensional relief, which comprises base cloth positioned at the bottom, a bottom layer formed on the base cloth in an adhering way, a three-dimensional structure layer integrally formed with the bottom layer, a pattern layer arranged on the surface of the three-dimensional structure layer and a surface protection layer sprayed on the surfaces of the bottom layer, the three-dimensional structure layer and the pattern layer, wherein part of the base cloth is embedded in the bottom layer, and the center of the base cloth is upwards protruded and embedded in the bottom layer and gradually extends to the bottom surface of the bottom layer from the center of the base cloth. The utility model solves the problem that the existing vamp three-dimensional relief is greatly limited by the process.
Description
Technical Field
The utility model relates to the field of shoe material products, in particular to a vamp three-dimensional relief.
Background
The vamp, which is the appearance part which most shows the characteristics of a pair of shoes, has very important significance for sales of footwear products. The existing vamp is not limited to planar patterns, but is put into the research and development of products with three-dimensional structures, and most of the structures are realized by adopting relief patterns carved on high-quality leather; as shown in chinese patent application CN 213203347U, a technical scheme of a relief structure fabric and a vamp is provided, where the technical scheme related to the vamp is specifically a vamp, including a vamp body matched with a sole, the vamp body is formed by a fabric body, the fabric body includes a first knitting area formed by integrally knitting a knitting device, the first knitting area includes a first bottom layer and a first surface layer, the first surface layer includes a plurality of courses, the courses form a first relief pattern, hollow holes are formed between adjacent first relief patterns, the courses include a plurality of first coils arranged along the length direction of the courses, and the first coils are connected on the first bottom layer in a needle turning manner.
At present, the embossed vamp produced by adopting the product structure and the related process has high cost, and the appearance and color diversity are limited by the process, so that the product cannot be further expanded, and the limitation is high.
Disclosure of utility model
Therefore, the utility model provides the vamp three-dimensional relief, which solves the problem that the existing vamp three-dimensional relief is greatly limited by the process.
In order to achieve the above purpose, the utility model is realized by the following technical scheme:
The utility model provides a three-dimensional relief of vamp, includes the base cloth that is located the bottom, adhesion shaping be in bottom on the base cloth, with the three-dimensional structure layer of bottom integrated into one piece, cloth in the pattern layer on three-dimensional structure layer surface and spray coating in bottom, three-dimensional structure layer and the surface protection layer on pattern layer surface.
Preferably, the base fabric covers the lower surface of the bottom layer.
Preferably, part of the base fabric is embedded in the bottom layer.
Preferably, the center of the base cloth is raised upwards and embedded in the bottom layer, and gradually extends outwards from the center of the base cloth to the bottom surface of the bottom layer.
Preferably, the surface protection layer is polyester gloss oil.
Preferably, the bottom layer and the three-dimensional structure layer are made of CPU materials.
A production process of a vamp three-dimensional relief comprises the following steps:
a. Selecting raw materials, carrying out compression injection molding by a mold, wherein the raw materials comprise a mixture of CPU and UV resin, the content of the CPU is more than 60%, and 1-10 parts by weight of curing agent is added in the injection molding process; obtaining a relief blank, wherein the relief blank forms a laminated structure of a bottom layer and a three-dimensional structure layer;
b. cooling the injection molded relief blank at the cooling temperature of between 15 ℃ below zero and 20 ℃;
c. carrying out UV spray painting on the surface of the cooled relief blank, so that a pattern layer is formed on the surface of the three-dimensional structure layer and/or the bottom layer on the relief blank;
d. Spraying polyester varnish on the surface of the molded relief blank to form a surface protection layer on the surface of the relief blank;
e. airing until the surface protection layer is shaped, and obtaining the vamp three-dimensional relief;
In the step a, a base cloth is put in the bottom of each die cavity in advance before the raw materials are subjected to compression injection molding through a die.
Preferably, in the step a, the mold comprises a mold frame, a heating device, a vacuumizing device and a control switchboard, wherein the mold frame comprises a bottom plate, a guide column assembly arranged on the bottom plate and used for guiding, five to ten mold bases penetrating through the guide column assembly, and a top plate arranged at the upper end of the guide column assembly, and a driving device used for compression molding is arranged above the top plate;
The upper and lower end surfaces of each die holder are respectively provided with an upper die and a lower die, and the upper die and the lower die between two adjacent die holders are matched to form a die cavity for molding.
Preferably, the upper die and the lower die are made of thermoplastic plastics.
Preferably, an ejection mechanism is arranged at the bottom of the die cavity on each lower die, and the ejection mechanism comprises an ejector rod and a pressurizing pipe connected at the lower end of the ejector rod and driving the ejector rod to lift up and down.
By adopting the technical scheme, the utility model has the beneficial effects that:
The technical scheme is different from the peeling of the traditional vamp embossment in the surface processing of the leather, the embossment structure is produced in a casting mode during forming, different embossment appearances can be realized through a die, and the appearance of the vamp can be greatly enriched by matching with a pattern layer attached to the embossment by a subsequent process;
By adopting CPU materials, low-temperature pressing can be realized, and compared with hot cutting, ejection and other processes of TPU, KPU and other materials, the embossing has better fineness and can realize better effect; the three-dimensional relief with the three-dimensional structure and the matching color is formed by forming the pattern layer through UV spray painting and then attaching the pattern layer to the corresponding three-dimensional structure layer, so that the three-dimensional relief has attractive appearance, greatly enriches the appearance of the three-dimensional relief in the vamp, and can be applied to any part of the shoe body and even used in the appearance of the outsole; the pattern layer can be correspondingly added with optically variable materials for mixed spraying to form the appearance effects of optically variable and noctilucent metals and the like, so that the relief has stronger three-dimensional texture, rich colors and vivid and cool colors;
In the production, a special laminated structure mold is designed in a targeted manner, so that a plurality of products can be formed by one-step compression, and the production efficiency is greatly improved;
Meanwhile, the production of the die can be carried out by adopting a thermoplastic material, and compared with a traditional metal die, the die is more suitable for the production of various upper accessories at present, and the die can be recycled and remolded after the iteration of the product is abandoned, so that the production cost is greatly reduced, and the die is environment-friendly and practical.
Drawings
FIG. 1 is a schematic view of an exploded structure of a three-dimensional relief for a vamp according to an embodiment of the present utility model;
FIG. 2 is a schematic view of a laminated structure of a three-dimensional relief of a vamp according to an embodiment of the present utility model;
FIG. 3 is a schematic view of the three-dimensional relief of the vamp of the present utility model;
FIG. 4 is a schematic view of a mold according to a first embodiment of the present utility model;
FIG. 5 is a schematic view of a laminated structure of a three-dimensional relief of a vamp in a second embodiment of the present utility model;
FIG. 6 is a schematic diagram of a lower die in a second embodiment of the present utility model;
Fig. 7 is a partially enlarged schematic view of the structure at a in fig. 6.
Description of the drawings: 100. a base cloth; 200. a bottom layer; 201. a three-dimensional structural layer; 300. a pattern layer; 400. a surface protection layer; 1. a mould frame; 11. a bottom plate; 12. a guide post assembly; 13. a die holder; 14. a top plate; 15. a driving device; 2. an upper die; 3. a lower die; 31. a countersunk hole; 4. a mold cavity; 5. an ejection mechanism; 51. a push rod; 52. a pressurizing tube; 53. and (5) a top block.
Detailed Description
The following describes embodiments of the present utility model in detail with reference to specific examples, so as to solve the technical problem by applying the technical means to the present utility model, and the implementation process for achieving the technical effect can be fully understood and implemented accordingly.
Example 1
Referring to fig. 1, 2 and 3, the three-dimensional relief of shoe upper comprises a base cloth 100 positioned at the bottom, a bottom layer 200 adhered and formed on the base cloth 100, a three-dimensional structure layer 201 integrally formed with the bottom layer 200, a pattern layer 300 arranged on the surface of the three-dimensional structure layer 201, and a surface protection layer 400 sprayed on the surfaces of the bottom layer 200, the three-dimensional structure layer 201 and the pattern layer 300, wherein the surface protection layer 400 is polyester gloss oil, can improve the brightness of the pattern layer 300 on the surface, protect the color of the pattern layer 300, provide anti-corrosion capability to increase durability, and form a tough waterproof, sun-proof and anti-fouling protection layer on the surface of the relief, and is also more beneficial to subsequent cleaning;
Wherein, the bottom layer 200 and the three-dimensional structure layer 201 are integrally formed by an injection mold, and a convex structure is formed on the upper surface of the bottom layer 200, thereby forming a corresponding three-dimensional structure layer 201; the pattern layer 300 is sprayed at the required position by UV spraying; the technical scheme is different from the surface processing of the leather of the traditional vamp embossment production, the embossment structure is produced in a casting mode during forming, different embossment appearances can be realized through a die, and the appearance of the vamp can be greatly enriched by matching with the pattern layer 300 attached to the embossment by the subsequent process;
The bottom layer 200 and the three-dimensional structure layer 201 are made of CPU materials; by adopting CPU materials, low-temperature pressing can be realized, and compared with hot cutting, ejection and other processes of TPU, KPU and other materials, the embossing has better fineness and can realize better effect; the pattern layer 300 is formed by UV spray painting and then is added on the corresponding three-dimensional structure layer 201, so that a three-dimensional relief with a three-dimensional structure and an adaptive color is formed, the appearance is attractive, the appearance of the three-dimensional relief in the vamp is greatly enriched, and the three-dimensional relief can be applied to any part of the shoe body and even used in the appearance of the outsole; the pattern layer 300 can be correspondingly added with optically variable materials for mixed spraying to form the appearance effects of optically variable and noctilucent metals, etc., and the relief has stronger three-dimensional texture, rich colors and vivid and cool colors.
Structurally, the base fabric 100 covers the lower surface of the bottom layer 200. The base fabric 100 may increase the toughness of the overall three-dimensional relief structure, have greater structural strength after subsequent processing on the upper face, to increase the service life of the footwear product, and help maintain the three-dimensional relief structure.
The production process of the vamp three-dimensional relief comprises the following steps:
a. Selecting raw materials, carrying out compression injection molding by a mold, wherein the raw materials comprise a mixture of CPU and UV resin, the content of the CPU is more than 60%, and 1-10 parts by weight of curing agent is added in the injection molding process; obtaining a relief blank, wherein the relief blank forms a laminated structure of a bottom layer 200 and a three-dimensional structure layer 201; wherein the pressing time is not less than 5 minutes, preferably 5 to 10 minutes;
b. cooling the injection molded relief blank at the cooling temperature of between 15 ℃ below zero and 20 ℃;
c. carrying out UV spray painting on the surface of the cooled relief blank, so that a pattern layer 300 is formed on the surface of the three-dimensional structure layer 201 and/or the bottom layer 200 on the relief blank;
d. Spraying polyester varnish on the surface of the molded relief blank to form a surface protection layer 400 on the surface of the relief blank;
e. Airing until the surface protection layer 400 is shaped, and obtaining the vamp three-dimensional relief;
in the step a, a base cloth 100 is previously put into the bottom of each cavity 4 before the raw material is injection molded by pressing through a mold.
In the structure, in the step a, the mold is shown with reference to fig. 4, and comprises a mold frame 1, a heating device, a vacuumizing device and a control switchboard, wherein the mold frame 1 comprises a bottom plate 11, a guide column assembly 12 arranged on the bottom plate 11 and used for guiding, five mold bases 13 penetrating through the guide column assembly 12, and a top plate 14 arranged at the upper end of the guide column assembly 12, a driving device 15 used for compression molding is arranged above the top plate 14, and the driving device 15 is a cylinder; the upper and lower end surfaces of each die holder 13 are respectively provided with an upper die 2 and a lower die 3, and the upper die 2 and the lower die 3 between two adjacent die holders 13 are matched to form a die cavity 4 for molding. The die holder 13 can be increased according to the parameters of the driving device 15 and the production requirement, and 5-15 die cavities 4 can be formed for one-step molding;
The basic structure of the injection mold such as a runner, a gate, a discharging structure, a demolding structure and the like is not described in the technical scheme, and is well known to the person skilled in the art; the heating device, the vacuumizing device, the control switchboard and the like can be specifically described in CN 109501348A, and are not described in detail herein.
Specifically, the upper die 2 and the lower die 3 are made of thermoplastic plastics. The production of the mould is carried out by adopting the thermoplastic material, compared with the traditional metal mould, the mould is more suitable for the production of the current diversified upper surface accessories, and the mould can be recycled and remolded after the iteration of the product is abandoned, so that the production cost is greatly reduced, and the mould is environment-friendly and practical.
In the production, a special laminated structure die is designed in a targeted manner, a plurality of products can be formed by one-step compression, and the production efficiency is greatly improved.
Example two
Referring to fig. 5, in contrast to the first embodiment, the base fabric 100 is partially embedded in the bottom layer 200. Specifically, the center of the base fabric 100 protrudes upward and is embedded in the bottom layer 200, and gradually extends outward from the center of the base fabric 100 to the bottom surface of the bottom layer 200. With this structure, the base fabric 100 is partially embedded in the base layer 200, and a reinforcing structure having a mesh structure is formed inside the base fabric, so that the toughness of the base layer 200 can be further improved.
Correspondingly, in order to obtain the above structure in production, referring to fig. 6 and 7, an ejector mechanism 5 is disposed at the bottom of the mold cavity 4 on each lower mold 3, and the ejector mechanism 5 includes an ejector rod 51 and a pressing tube 52 connected to the lower end of the ejector rod 51 and driving the ejector rod to lift up and down. Wherein, the center of the lower die 3 is provided with a counter bore 31, and the upper end edge of the ejector rod 51 is provided with an ejector block 53 which is matched with the counter bore 31; in the injection molding process, the pressurized pipe 52 is connected with an air source, the ejector rod 51 is ejected, the ejector block 53 protrudes out of the counter bore 31, and the base cloth 100 pre-filled in the mold cavity 4 is ejected to form a central convex structure; then, as the raw materials enter the die cavity 4, the center of the base cloth 100 is gradually coated, and the structure that the base cloth 100 is locally embedded into the bottom layer 200 is formed;
The ejector pin 51 and the pressing pipe 52 are pre-installed in the lower mold 3 during production, and in order to satisfy the automatic retraction after ejection, a return spring may be installed at one end of the ejector pin 51 connected to the ejector block 53 or the ejector block 53 which is not automatically retracted may be manually reset during the demolding.
While the utility model has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (6)
1. The utility model provides a three-dimensional relief of vamp which characterized in that: the base cloth comprises a base cloth (100) positioned at the bottom, a bottom layer (200) and a three-dimensional structure layer (201) which are adhered to the base cloth (100) through die pressurization and injection molding in an integrated mode, a pattern layer (300) arranged on the surface of the three-dimensional structure layer (201), and a surface protection layer (400) sprayed on the surfaces of the bottom layer (200), the three-dimensional structure layer (201) and the pattern layer (300).
2. A three-dimensional relief for the upper according to claim 1, characterized in that: the base fabric (100) covers the lower surface of the bottom layer (200).
3. A three-dimensional relief for the upper according to claim 1, characterized in that: the base fabric (100) is partially embedded in the bottom layer (200).
4. A three-dimensional relief for the upper according to claim 3, characterized in that: the center of the base cloth (100) protrudes upwards and is embedded in the bottom layer (200), and the base cloth gradually extends outwards from the center of the base cloth (100) to the bottom surface of the bottom layer (200).
5. A three-dimensional relief for the upper according to any one of claims 1-4, characterized in that: the surface protection layer (400) is polyester gloss oil.
6. A three-dimensional relief for the upper according to any one of claims 1-4, characterized in that: the bottom layer (200) and the three-dimensional structure layer (201) are made of CPU materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322269433.4U CN220800233U (en) | 2023-08-23 | 2023-08-23 | Three-dimensional relief of vamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322269433.4U CN220800233U (en) | 2023-08-23 | 2023-08-23 | Three-dimensional relief of vamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220800233U true CN220800233U (en) | 2024-04-19 |
Family
ID=90700823
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322269433.4U Active CN220800233U (en) | 2023-08-23 | 2023-08-23 | Three-dimensional relief of vamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220800233U (en) |
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2023
- 2023-08-23 CN CN202322269433.4U patent/CN220800233U/en active Active
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