CN111823626A - Production process of multi-color vamp - Google Patents
Production process of multi-color vamp Download PDFInfo
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- CN111823626A CN111823626A CN202010558729.6A CN202010558729A CN111823626A CN 111823626 A CN111823626 A CN 111823626A CN 202010558729 A CN202010558729 A CN 202010558729A CN 111823626 A CN111823626 A CN 111823626A
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- vamp
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D35/00—Producing footwear
- B29D35/12—Producing parts thereof, e.g. soles, heels, uppers, by a moulding technique
- B29D35/14—Multilayered parts
- B29D35/146—Uppers
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- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B23/00—Uppers; Boot legs; Stiffeners; Other single parts of footwear
- A43B23/02—Uppers; Boot legs
- A43B23/0245—Uppers; Boot legs characterised by the constructive form
- A43B23/026—Laminated layers
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Adornments (AREA)
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
Abstract
The invention relates to the technical field of vamps, in particular to a production process of a multi-color vamp, which comprises the following steps: s1, respectively pouring the vamp decorating material with at least one color into at least one image-text label area of the mold, vacuumizing, and then baking and curing for the first time to obtain an image-text layer; s2, pouring the vamp ground color material into the mold, covering each image-text label area obtained in the step S1, vacuumizing, scraping edges, and then performing secondary baking and curing to obtain a composite layer; and S3, covering a vamp substrate on the surface of the composite layer prepared in the step S2, performing hot press molding, and demolding to obtain the multicolor vamp. The production process is convenient to operate, and by filling the pictures and texts with different colors into one die and integrally forming a multi-color vamp finished product, the production efficiency is high, the production cost is low, the quality is stable, and the production process is suitable for large-scale production.
Description
Technical Field
The invention relates to the technical field of vamps, in particular to a production process of a multi-color vamp.
Background
Most of the prior vamps are provided with image-text labels so as to improve the identification degree of shoe products. The image-text labels with various colors are prepared in the market, the image-text labels with different colors are respectively subjected to compression molding and then are pressed and molded with the bottom color of the vamp and the vamp substrate, but the traditional process is complicated in working procedures and low in production efficiency, and the image-text labels with different colors are subjected to compression molding for multiple times, so that the energy consumption in the process is increased, and the production cost is high.
Disclosure of Invention
In order to overcome the defects and shortcomings in the prior art, the invention aims to provide the production process of the multi-color vamp, which is convenient to operate, high in production efficiency, low in production cost and stable in quality and is suitable for large-scale production by pouring pictures and texts with different colors into a mould and integrally forming a multi-color vamp finished product.
The invention also aims to provide the multi-color vamp which is novel in structure, rich in color, strong in stereoscopic impression of the image-text label, stable in bonding between the image-text layer and the vamp substrate and not easy to cause interlayer separation.
The purpose of the invention is realized by the following technical scheme: a production process of a multi-color vamp comprises the following steps:
s1, respectively pouring the vamp decorating material with at least one color into at least one image-text label area of the mold, vacuumizing, and then baking and curing for the first time to obtain an image-text layer;
s2, pouring the vamp ground color material into the mold, covering each image-text label area obtained in the step S1, vacuumizing, scraping edges, and then performing secondary baking and curing to obtain a composite layer;
and S3, covering a vamp substrate on the surface of the composite layer prepared in the step S2, performing hot press molding, and demolding to obtain the multicolor vamp.
The production process is convenient to operate, and by filling the pictures and texts with different colors into one die and integrally forming a multi-color vamp finished product, the production efficiency is high, the production cost is low, the quality is stable, and the production process is suitable for large-scale production.
In step S1, vamp rubber materials of different colors can be poured into the mold at the same time, and the materials of different colors are cured and molded in the mold after the first baking and curing; then pouring the ground color material of the vamp into the mold, covering each image-text label area, and forming the rubber part of the vamp in the mold after the second baking and curing; finally, the vamp substrate (cloth or leather or PU material and the like) is covered in the mould, pressed and molded, and the vamp with multicolor patterns is manufactured after demoulding, so that the process for manufacturing the complete vamp in the mould is realized, the image-text rubbers with different colors and different shapes do not need to be manufactured through different moulds and then are subjected to hot press molding, the production efficiency is high, and the quality is stable.
If the image-text label has a multi-layer three-dimensional structure, after step S1 and before step S2, vamp rubber materials of other colors can be poured into the mold, and the multi-layer image-text label with the three-dimensional structure can be formed in the mold after baking and curing.
The vacuum-pumping treatment in the step S1 and the vacuum-pumping treatment in the step S2 are specifically to remove air bubbles inside the material during the pouring process through vacuum negative pressure in the mold, and the structural stability of the image-text layer and the composite layer prevents the product from generating voids due to the air bubbles.
Preferably, before the step S1, the method further includes a step S0: cleaning the mold, and spraying a release agent on the surface of the mold; through cleaning the mould, the adhesiveness of the release agent on the surface of the mould is improved, so that the product is easy to demould, and the problem of demoulding of the product caused by the influence of impurities in the mould on the adhesiveness of the release agent is avoided.
Preferably, in the step S1, the baking temperature for the first baking and curing is 120-130 ℃, and the baking time is 5-10 min; can fully activate vamp rubber materials with different colors for curing, so that the image-text part is cured and molded, and has low energy consumption and low cost.
Preferably, in the step S2, the baking temperature for the second baking and curing is 80-90 ℃, and the baking time is 3-8 min; the curing agent can fully activate the rubber material of the ground color of the vamp to cure and mold the ground color material, and has low energy consumption and low cost.
Preferably, in the step S3, the hot pressing temperature of the hot press molding is 85-90 ℃, the hot pressing time is 320-400S, and the hot pressing pressure is 2-5 MPa; can stably bond the vamp substrate and the vamp ground color layer of the composite layer, is not easy to generate interlayer separation, and has low energy consumption and low cost.
Preferably, the upper decoration material in the step S1 and the upper ground color material in the step S2 are both PU materials.
Preferably, in step S3, the upper substrate is one of a cloth sheet and a PU sheet.
Preferably, in the step S1 and the step S2, the mold is concavely provided with a pouring part, the pouring part is sequentially provided with an image-text layer and a vamp bottom color layer from bottom to top, and the concave depth of the image-text layer is greater than that of the vamp bottom color layer.
The section shape and depth of the pouring part can be designed according to the shape and structure required by pictures and texts. The picture and text layer formed by a plurality of colors can be filled into different filling parts in different colors; the stereo graphics and texts with various colors can be poured with materials with a part of depth after being cured, and then the materials with a part of depth are poured to form multilayer and multicolor stereo graphics and texts with different colors. The vamp bottom color layer is poured into the mold and covered with the three-dimensional pictures and texts, so that the picture and text layer is arranged on the surface of the vamp bottom color layer after demolding.
Preferably, after the step S3, the method further includes a step S4: naturally curing the demolded multicolor vamp for 20-30h at the temperature of 45-50 ℃; through long-time natural curing, the multicolor vamp is fully cured and molded, and the quality stability is improved.
The multicolor vamp manufactured by the production process of the multicolor vamp comprises a vamp substrate, a vamp bottom color layer and at least one image-text layer which are sequentially arranged from bottom to top, wherein the image-text layer comprises at least one image-text label area.
The multicolor vamp has novel structure, rich colors, strong stereoscopic impression of the image-text label, stable bonding between the image-text layer and the vamp substrate and difficult interlayer separation. The image-text layer may include a plurality of different label patterns forming at least one image-text label region; the image-text label can form a multi-layer image-text structure by different colors, thereby forming at least one image-text layer.
The invention has the beneficial effects that: the production process is convenient to operate, and by filling the pictures and texts with different colors into one die and integrally forming a multi-color vamp finished product, the production efficiency is high, the production cost is low, the quality is stable, and the production process is suitable for large-scale production.
In step S1, vamp rubber materials of different colors can be poured into the mold at the same time, and the materials of different colors are cured and molded in the mold after the first baking and curing; then pouring the ground color material of the vamp into the mold, covering each image-text label area, and forming the rubber part of the vamp in the mold after the second baking and curing; finally, the vamp substrate is covered in a mold, pressed and molded, and the vamp with multicolor patterns is manufactured after demolding, so that the process for manufacturing the complete vamp in the mold is realized, the image-text rubbers with different colors and different shapes do not need to be manufactured through different molds and then subjected to hot press molding, the production efficiency is high, and the quality is stable.
The multicolor vamp has novel structure, rich colors, strong stereoscopic impression of the image-text label, stable bonding between the image-text layer and the vamp substrate and difficult interlayer separation. The image-text layer may include a plurality of different label patterns forming at least one image-text label region; the image-text label can form a multi-layer image-text structure by different colors, thereby forming at least one image-text layer.
Drawings
FIG. 1 is a schematic partial cross-sectional view of a mold of the present invention;
FIG. 2 is a schematic partial cross-sectional view of a multi-colored upper made in accordance with the present invention;
the reference signs are: 1-mould, 2-vamp substrate, 3-vamp bottom color layer, 4-picture and text layer, 5-picture and text label area.
Detailed Description
The present invention will be further described with reference to the following examples for facilitating understanding of those skilled in the art, and the description of the embodiments is not intended to limit the present invention.
Example 1
Referring to fig. 1-2, a process for manufacturing a multi-color vamp comprises the following steps:
s1, respectively pouring the vamp decorating material with at least one color into at least one image-text label area of the mold, vacuumizing, and then baking and curing for the first time to obtain an image-text layer;
s2, pouring the vamp ground color material into the mold, covering each image-text label area obtained in the step S1, vacuumizing, scraping edges, and then performing secondary baking and curing to obtain a composite layer;
and S3, covering a vamp substrate on the surface of the composite layer prepared in the step S2, performing hot press molding, and demolding to obtain the multicolor vamp.
Before the step S1, the method further includes a step S0: cleaning the mould and spraying a release agent on the surface of the mould.
In the step S1, the baking temperature for the first baking and curing is 120 ℃, and the baking time is 10 min.
In the step S2, the baking temperature for the second baking and curing is 80 ℃, and the baking time is 8 min.
In the step S3, the hot-pressing temperature of the hot-pressing molding is 85 ℃, the hot-pressing time is 400S, and the hot-pressing pressure is 2 MPa.
The vamp decorating material in the step S1 and the vamp ground color material in the step S2 are both PU materials.
In the step S3, the upper substrate is a cloth sheet.
In the step S1 and the step S2, the mold is concavely provided with a pouring part, the pouring part is sequentially provided with an image-text layer and a vamp bottom color layer from bottom to top, and the concave depth of the image-text layer is greater than that of the vamp bottom color layer.
After the step S3, the method further includes a step S4: and (3) naturally curing the demoulded multicolor vamp for 30 hours at the temperature of 45 ℃.
The multi-color vamp manufactured by the production process of the multi-color vamp comprises a vamp substrate 2, a vamp ground color layer 3 and at least one image-text layer 4 which are sequentially arranged from bottom to top, wherein the image-text layer 4 comprises at least one image-text label area 5.
Example 2
Referring to fig. 1-2, a process for manufacturing a multi-color vamp comprises the following steps:
s1, respectively pouring the vamp decorating material with at least one color into at least one image-text label area of the mold, vacuumizing, and then baking and curing for the first time to obtain an image-text layer;
s2, pouring the vamp ground color material into the mold, covering each image-text label area obtained in the step S1, vacuumizing, scraping edges, and then performing secondary baking and curing to obtain a composite layer;
and S3, covering a vamp substrate on the surface of the composite layer prepared in the step S2, performing hot press molding, and demolding to obtain the multicolor vamp.
Before the step S1, the method further includes a step S0: cleaning the mould and spraying a release agent on the surface of the mould.
In the step S1, the baking temperature for the first baking and curing is 122 ℃, and the baking time is 9 min.
In the step S2, the baking temperature for the second baking and curing is 82 ℃, and the baking time is 7 min.
In the step S3, the hot-pressing temperature of the hot-pressing molding is 86 ℃, the hot-pressing time is 380S, and the hot-pressing pressure is 3 MPa.
The vamp decorating material in the step S1 and the vamp ground color material in the step S2 are both PU materials.
In the step S3, the upper substrate is a PU sheet.
In the step S1 and the step S2, the mold is concavely provided with a pouring part, the pouring part is sequentially provided with an image-text layer and a vamp bottom color layer from bottom to top, and the concave depth of the image-text layer is greater than that of the vamp bottom color layer.
After the step S3, the method further includes a step S4: and (3) naturally curing the demolded multicolor vamp for 28 hours at the temperature of 46 ℃.
The multi-color vamp manufactured by the production process of the multi-color vamp comprises a vamp substrate 2, a vamp ground color layer 3 and at least one image-text layer 4 which are sequentially arranged from bottom to top, wherein the image-text layer 4 comprises at least one image-text label area 5.
Example 3
Referring to fig. 1-2, a process for manufacturing a multi-color vamp comprises the following steps:
s1, respectively pouring the vamp decorating material with at least one color into at least one image-text label area of the mold, vacuumizing, and then baking and curing for the first time to obtain an image-text layer;
s2, pouring the vamp ground color material into the mold, covering each image-text label area obtained in the step S1, vacuumizing, scraping edges, and then performing secondary baking and curing to obtain a composite layer;
and S3, covering a vamp substrate on the surface of the composite layer prepared in the step S2, performing hot press molding, and demolding to obtain the multicolor vamp.
Before the step S1, the method further includes a step S0: cleaning the mould and spraying a release agent on the surface of the mould.
In the step S1, the baking temperature for the first baking and curing is 125 ℃, and the baking time is 8 min.
In the step S2, the baking temperature for the second baking and curing is 85 ℃, and the baking time is 5 min.
In the step S3, the hot-pressing temperature of the hot-pressing molding is 88 ℃, the hot-pressing time is 360S, and the hot-pressing pressure is 3.5 MPa.
The vamp decorating material in the step S1 and the vamp ground color material in the step S2 are both PU materials.
In the step S3, the upper substrate is a cloth sheet.
In the step S1 and the step S2, the mold is concavely provided with a pouring part, the pouring part is sequentially provided with an image-text layer and a vamp bottom color layer from bottom to top, and the concave depth of the image-text layer is greater than that of the vamp bottom color layer.
After the step S3, the method further includes a step S4: and (3) naturally curing the demolded multicolor vamp for 25 hours at the temperature of 48 ℃.
The multi-color vamp manufactured by the production process of the multi-color vamp comprises a vamp substrate 2, a vamp ground color layer 3 and at least one image-text layer 4 which are sequentially arranged from bottom to top, wherein the image-text layer 4 comprises at least one image-text label area 5.
Example 4
Referring to fig. 1-2, a process for manufacturing a multi-color vamp comprises the following steps:
s1, respectively pouring the vamp decorating material with at least one color into at least one image-text label area of the mold, vacuumizing, and then baking and curing for the first time to obtain an image-text layer;
s2, pouring the vamp ground color material into the mold, covering each image-text label area obtained in the step S1, vacuumizing, scraping edges, and then performing secondary baking and curing to obtain a composite layer;
and S3, covering a vamp substrate on the surface of the composite layer prepared in the step S2, performing hot press molding, and demolding to obtain the multicolor vamp.
Before the step S1, the method further includes a step S0: cleaning the mould and spraying a release agent on the surface of the mould.
In the step S1, the baking temperature for the first baking and curing is 128 ℃, and the baking time is 6 min.
In the step S2, the baking temperature for the second baking and curing is 88 ℃, and the baking time is 4 min.
In the step S3, the hot-pressing temperature of the hot-pressing molding is 89 ℃, the hot-pressing time is 340S, and the hot-pressing pressure is 2-5 MPa.
The vamp decorating material in the step S1 and the vamp ground color material in the step S2 are both PU materials.
In the step S3, the upper substrate is a PU sheet.
In the step S1 and the step S2, the mold is concavely provided with a pouring part, the pouring part is sequentially provided with an image-text layer and a vamp bottom color layer from bottom to top, and the concave depth of the image-text layer is greater than that of the vamp bottom color layer.
After the step S3, the method further includes a step S4: and (3) naturally curing the demolded multicolor vamp for 22 hours at the temperature of 49 ℃.
The multi-color vamp manufactured by the production process of the multi-color vamp comprises a vamp substrate 2, a vamp ground color layer 3 and at least one image-text layer 4 which are sequentially arranged from bottom to top, wherein the image-text layer 4 comprises at least one image-text label area 5.
Example 5
Referring to fig. 1-2, a process for manufacturing a multi-color vamp comprises the following steps:
s1, respectively pouring the vamp decorating material with at least one color into at least one image-text label area of the mold, vacuumizing, and then baking and curing for the first time to obtain an image-text layer;
s2, pouring the vamp ground color material into the mold, covering each image-text label area obtained in the step S1, vacuumizing, scraping edges, and then performing secondary baking and curing to obtain a composite layer;
and S3, covering a vamp substrate on the surface of the composite layer prepared in the step S2, performing hot press molding, and demolding to obtain the multicolor vamp.
Before the step S1, the method further includes a step S0: cleaning the mould and spraying a release agent on the surface of the mould.
In the step S1, the baking temperature for the first baking and curing is 130 ℃, and the baking time is 5 min.
In the step S2, the baking temperature for the second baking and curing is 90 ℃, and the baking time is 3 min.
In the step S3, the hot-pressing temperature of the hot-pressing molding is 90 ℃, the hot-pressing time is 320S, and the hot-pressing pressure is 5 MPa.
The vamp decorating material in the step S1 and the vamp ground color material in the step S2 are both PU materials.
In the step S3, the upper substrate is a cloth sheet.
In the step S1 and the step S2, the mold is concavely provided with a pouring part, the pouring part is sequentially provided with an image-text layer and a vamp bottom color layer from bottom to top, and the concave depth of the image-text layer is greater than that of the vamp bottom color layer.
After the step S3, the method further includes a step S4: and (3) naturally curing the demoulded multicolor vamp for 20 hours at the temperature of 50 ℃.
The multi-color vamp manufactured by the production process of the multi-color vamp comprises a vamp substrate 2, a vamp ground color layer 3 and at least one image-text layer 4 which are sequentially arranged from bottom to top, wherein the image-text layer 4 comprises at least one image-text label area 5.
The above-described embodiments are preferred implementations of the present invention, and the present invention may be implemented in other ways without departing from the spirit of the present invention.
Claims (10)
1. A production process of a multi-color vamp is characterized in that: the method comprises the following steps:
s1, respectively pouring the vamp decorating material with at least one color into at least one image-text label area of the mold, vacuumizing, and then baking and curing for the first time to obtain an image-text layer;
s2, pouring the vamp ground color material into the mold, covering each image-text label area obtained in the step S1, vacuumizing, scraping edges, and then performing secondary baking and curing to obtain a composite layer;
and S3, covering a vamp substrate on the surface of the composite layer prepared in the step S2, performing hot press molding, and demolding to obtain the multicolor vamp.
2. The process for manufacturing a multicolored shoe upper according to claim 1, characterized in that: before the step S1, the method further includes a step S0: cleaning the mould and spraying a release agent on the surface of the mould.
3. The process for manufacturing a multicolored shoe upper according to claim 1, characterized in that: in the step S1, the baking temperature for the first baking and curing is 120-130 ℃, and the baking time is 5-10 min.
4. The process for manufacturing a multicolored shoe upper according to claim 1, characterized in that: in the step S2, the baking temperature for the second baking and curing is 80-90 ℃, and the baking time is 3-8 min.
5. The process for manufacturing a multicolored shoe upper according to claim 1, characterized in that: in the step S3, the hot pressing temperature of the hot pressing is 85-90 ℃, the hot pressing time is 320-400S, and the hot pressing pressure is 2-5 MPa.
6. The process for manufacturing a multicolored shoe upper according to claim 1, characterized in that: the vamp decorating material in the step S1 and the vamp ground color material in the step S2 are both PU materials.
7. The process for manufacturing a multicolored shoe upper according to claim 1, characterized in that: in the step S3, the upper substrate is one of a cloth sheet and a PU sheet.
8. The process for manufacturing a multicolored shoe upper according to claim 1, characterized in that: in the step S1 and the step S2, the mold is concavely provided with a pouring part, the pouring part is sequentially provided with an image-text layer and a vamp bottom color layer from bottom to top, and the concave depth of the image-text layer is greater than that of the vamp bottom color layer.
9. The process for manufacturing a multicolored shoe upper according to claim 1, characterized in that: after the step S3, the method further includes a step S4: and naturally curing the demoulded multicolor vamp for 20-30h at the temperature of 45-50 ℃.
10. A multi-colored upper produced by the process for manufacturing a multi-colored upper according to any one of claims 1 to 10, wherein: the shoe upper comprises an upper substrate, an upper bottom color layer and at least one image-text layer which are sequentially arranged from bottom to top, wherein the image-text layer comprises at least one image-text label area.
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| CN202010558729.6A CN111823626A (en) | 2020-06-18 | 2020-06-18 | Production process of multi-color vamp |
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| CN202010558729.6A CN111823626A (en) | 2020-06-18 | 2020-06-18 | Production process of multi-color vamp |
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Application publication date: 20201027 |