CN215705413U - Composite article of leather and cold enamel - Google Patents
Composite article of leather and cold enamel Download PDFInfo
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- CN215705413U CN215705413U CN202122351393.9U CN202122351393U CN215705413U CN 215705413 U CN215705413 U CN 215705413U CN 202122351393 U CN202122351393 U CN 202122351393U CN 215705413 U CN215705413 U CN 215705413U
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Abstract
The utility model provides a composite product of leather and cold enamel, which comprises: the artificial enamel comprises a leather substrate with a plurality of grooves, an impermeable fixing film, a plurality of bonding layers, a plurality of metal wires and a plurality of artificial enamel layers. The anti-seepage fixing film covers and is fixed on the technical surface of the leather substrate and the surfaces of the grooves, and the bonding layers are fixedly bonded on the anti-seepage fixing film, so that the phenomenon that the bonding strength between the metal wires and the leather substrate is reduced due to the direct contact permeation of an imitated enamel material used for forming an imitated enamel layer and the leather substrate and the contact permeation of a bonding agent is avoided; in addition, a plurality of closed areas are formed by enclosing the plurality of metal wires, a plurality of imitation enamel layers fill the space in each closed area, the fixing effect on the plurality of imitation enamel layers is further enhanced through the plurality of metal wires, and the bonding strength between the leather substrate and the imitation enamel layers is ensured.
Description
Technical Field
The utility model relates to the technical field of leather product processing, in particular to a composite product of leather and cold enamel.
Background
The enamel ware is a ware made of enamel as a material decoration. The traditional enamel is generally obtained by applying a pulverized and ground enamel glaze on the surface of a metal product manufactured by a metal processing process, and then performing the manufacturing steps of drying, firing and the like, and the preparation process is complex and high in cost.
The cold enamel process for filling and curing artware by using resin instead of traditional enamel glaze has the advantages of low cost, simple manufacture and high yield, and the enamel-imitated surface formed by the finished product can show the same artistic effect of the traditional enamel. However, since the cold enamel manufacturing process does not need to be sintered in a high temperature furnace for color development, and most substrates are made of metal materials, the bonding strength between the enamel-imitated layer and the metal material substrate is weak, and the application range of the enamel-imitated process is limited.
Therefore, there is a need to develop new composite articles of leather and cold enamel to solve the above problems of the prior art.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a composite product of leather and cold enamel, so as to realize the effect of imitating the enamel on the surface of a leather substrate, expand the application of an enamel imitation process and ensure the bonding strength between the leather substrate and an enamel imitation material.
To achieve the above object, the present invention provides a composite article of leather and cold enamel comprising: the cortical base is provided with a plurality of grooves; the anti-seepage fixing film covers and is fixed on the technical surface of the leather substrate and the surfaces of the grooves; the bonding layers are fixedly bonded to the anti-seepage fixing film; the metal wires are bonded and fixed in the grooves through the bonding layers in a one-to-one correspondence mode so as to fill the openings of the grooves, and the leather substrate is divided into a plurality of closed areas; the plurality of enamel-imitated layers are fixedly adhered to each closed area one by one so as to cover the anti-seepage fixing film of each closed area and fill the space in each closed area.
The leather and cold enamel composite product has the beneficial effects that: the anti-seepage fixing film covers and is fixed on the technical surface of the leather substrate and the surfaces of the grooves, and the bonding layers are fixedly bonded on the anti-seepage fixing film, so that the bonding strength between the leather substrate and the imitation enamel layer is prevented from being reduced due to the direct contact and permeation of the imitation enamel material used for forming the imitation enamel layer and the leather substrate in the preparation process, and the bonding strength between the metal wires and the leather substrate is also prevented from being reduced due to the contact and permeation of the bonding agent possibly caused by the direct bonding and fixing of the metal wires on the imitation enamel layers; in addition, a plurality of closed areas are formed by enclosing the plurality of metal wires, a plurality of enamel-imitated layers are filled in the space in each closed area, and the fixing effect on the plurality of enamel-imitated layers is further enhanced through the plurality of metal wires, so that the enamel-imitated effect is presented on the surface of the leather substrate, the application of the enamel-imitated process is expanded, and the bonding strength between the leather substrate and the enamel-imitated layers is ensured.
Preferably, the top surfaces of the plurality of wires are at the same height from the top surface of the cortical base. The beneficial effects are that: the processing technology is simplified, so that the bonding strength between the cortical substrate and the enamel-imitating layer is ensured.
Further preferably, the top surface of the enamel layer arranged in each closed area is flush with the top surface of the metal wire, and fills the space in each closed area.
Preferably, the depth of the groove is 1/2-1/3 of the thickness of the cortical base, and the depth of the metal wire embedded in the groove is 1/3-1/2 of the depth of the groove. The beneficial effects are that: ensuring the bonding strength between the cortical base and the enamel-imitating layer.
Further preferably, the width of the metal wire is 3 mm-5 mm, the thickness of the metal wire is 1 mm, the height of the groove is 1-1.5 mm, and the thickness of the cortical base is not less than 2 mm.
Further preferably, the groove grips the wire to achieve a tight fit.
Preferably, the thickness of the impermeable fixing film is lower than 1/10 of the vertical distance from the top surface of the metal wire to the top surface of the cortical base. The beneficial effects are that: preventing the cortical base from being infiltrated without affecting the tessellation of the wires.
Preferably, the leather substrate is any one of a semi-tanned leather substrate and a fully tanned leather substrate.
Further preferably, at least a part of the plurality of grooves is arc-shaped, and the metal wire is a flexible metal wire.
Further preferably, the flexible wire has a width of 2-3 mm and a thickness of no more than 2 mm.
Drawings
FIG. 1 is a schematic view of a structure formed after the wet surface of original vegetable tanning skin is scribed according to an embodiment of the present invention;
FIG. 2 is a schematic view of a structure formed by embedding a wire in the structure of FIG. 2;
FIG. 3 is a schematic view of a structure formed by dropping and curing the structure shown in FIG. 3;
fig. 4 is a schematic view showing the assembly process of the embodiment of the present invention for embedding the wire in the frame-shaped groove of the wet raw hide.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are a part of the embodiments of the present invention, but not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. As used herein, the word "comprising" and similar words are intended to mean that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items.
The embodiment of the utility model provides a leather and cold enamel composite product and a preparation method thereof, which are used for realizing the enamel imitation effect on the surface of a leather substrate so as to expand the application of the enamel imitation process and ensure the bonding strength between the leather substrate and an enamel imitation material.
In particular, the composite article of leather and cold enamel comprises:
the cortical base is provided with a plurality of grooves;
the anti-seepage fixing film covers and is fixed on the technical surface of the leather substrate and the surfaces of the grooves;
the bonding layers are fixedly bonded to the anti-seepage fixing film;
the metal wires are bonded and fixed in the grooves through the bonding layers in a one-to-one correspondence mode so as to fill the openings of the grooves, and the leather substrate is divided into a plurality of closed areas;
the plurality of enamel-imitated layers are fixedly adhered to each closed area one by one so as to cover the anti-seepage fixing film of each closed area and fill the space in each closed area.
The preparation method of the leather and cold enamel composite product comprises the following steps:
s0: providing a cortex substrate, a plurality of metal wires, liquid resin adhesive, a dye-proofing agent and an adhesive, wherein a plurality of grooves are formed on the surface to be processed of the cortex substrate;
s1: coating the surface to be processed of the cortical substrate and the inner surface of the groove with the dye-resist to form an impermeable film;
s2: embedding the metal wires in the grooves through the adhesive to fill the openings of the grooves, and dividing the surface to be processed of the leather substrate into a plurality of closed areas;
s3: covering the bottom surfaces of the plurality of closed areas by using the liquid resin adhesive and filling at least part of space in each closed area to form a plurality of filling structures;
s4: and curing the filling structures to form a plurality of enamel-imitated layers, so as to obtain the leather and cold enamel composite product.
Some embodiments wet the raw vegetable tanning skin as the leather substrate with water to make the water absorption of the raw vegetable tanning skin not less than 50% to increase plasticity of the raw vegetable tanning skin before performing the step S0.
In some embodiments, the raw vegetable tanned skin is any one of a semi-vegetable tanned skin and a whole vegetable tanned skin.
Fig. 1 is a schematic view of the structure of wet raw vegetable tanning skin after the surface of the wet raw vegetable tanning skin is scribed. Referring to fig. 1, a plurality of grooves 2 are formed on the surface of the wet original vegetable tanning skin 1, and a part of the grooves 2 is arc-shaped, and the other part is linear. More specifically, the linear grooves 2 form a square frame, and the arc-shaped grooves 2 divide the square frame into a plurality of regions.
Specifically, firstly, drawing a pattern on a piece of transparent paper, covering the wetted surface of the original vegetable-tanned leather 1 with the transparent paper, then drawing lines according to the pattern of the pattern by using a round-head stylus, and transferring the pattern to the surface of the original vegetable-tanned leather 1; then, a scribing tool is used to scribe along the lines of the pattern, so as to form a plurality of grooves 2 as shown in fig. 2.
In some embodiments, the surface to be processed of the raw vegetable tanning skin 1 is subjected to a line scribing operation by the nicking tool to form a plurality of grooves in an arc shape; during the scribing operation, the nicking knife is controlled to be inclined at an acute angle of 45-60 degrees relative to the surface to be processed of the original vegetable tanning skin as a leather substrate, and the nicking knife cuts into the surface to be processed of the original vegetable tanning skin to a depth of 1/2-1/3 of the thickness of the original vegetable tanning skin.
In some embodiments, the nicking tool is a rotary nicking tool.
In some embodiments, the grooves are formed to a depth of 1/2-1/3 of the thickness of the cortical base, which is no less than 2 mm thick.
In some embodiments, the cortical base is any one of a semi-tanned base and a fully tanned base.
In step S1 of some embodiments, the step of coating the processing surface of the leather substrate with the dye resist to form an impermeable film specifically includes: the leather surface of the leather substrate is evenly coated with the dye-proof liquid dipped by cotton cloth or a cotton ball to form a layer of protective film, so that subsequent glue dripping is prevented from permeating the leather surface to cause damage to the leather substrate. Specific stain blocking agents are those conventional in the art.
It is emphasized that the step S1 is performed after the lines are scribed, so that the impermeable fixing film can not only cover and be fixed on the process surface of the leather substrate, i.e. the surface to be processed, but also cover and be fixed on the surfaces of the grooves, and further effectively prevent the dripping glue from penetrating the leather surface. The method avoids the reduction of the bonding strength between the leather substrate and the imitation enamel layer caused by the direct contact permeation of the imitation enamel material used for forming the imitation enamel layer and the leather substrate in the preparation process, and also avoids the reduction of the bonding strength between the metal wires and the leather substrate caused by the contact permeation of the adhesive possibly caused by the direct bonding and fixing of the metal wires on the imitation enamel layer.
In some embodiments, the impermeable fastening film is controlled to have a thickness 1/10 below the vertical distance from the top surface of the wire to the top surface of the cortical base, preventing penetration of the cortical base without affecting the inlay of the wire.
Fig. 2 is a schematic view of a structure formed by embedding a wire on the structure shown in fig. 1.
In the step S2 of some embodiments, the adhesive is a white glue or a B-7000 glue. Referring to fig. 2, each wire 3 is dipped with white glue or B-7000 glue and then embedded into the original skin graft 1 to form a plurality of closed areas, and the fixing effect on a plurality of subsequently formed enamel-imitated layers is further enhanced through the plurality of wires. Further, the grooves grip the wire to achieve a tight fit.
In some embodiments, before performing step S2, a plurality of original wires are patterned by using tweezers to form a plurality of wires.
In some embodiments, the wire is embedded in the groove to a depth 1/3-1/2 of the depth of the groove.
In some embodiments, the wire has a width of 3 mm to 5 mm, a thickness of 1 mm, and the groove has a height of 1 mm to 1.5 mm.
In some embodiments, the top surfaces of the plurality of wires are at the same height from the top surface of the cortical base, thereby simplifying the manufacturing process to ensure the bonding strength between the cortical base and the enamel-like layer.
In some embodiments, the enamel layer is disposed within each enclosed area with a top surface flush with a top surface of the wire and filling a space within each enclosed area.
In some embodiments, the wire is a flexible wire. The width of the flexible metal wire is 2-3 mm, and the thickness of the flexible metal wire is not more than 2 mm.
Fig. 3 is a schematic view of a structure formed by glue dropping and curing treatment on the basis of the structure shown in fig. 2.
In step S3 of some embodiments, the liquid resin adhesive is used to cover the bottom surfaces of the closed areas and fill at least part of the space in each closed area to form a plurality of filling structures. Specifically, referring to fig. 3, a plurality of closed areas (not shown) are formed on the surface of the raw vegetable leather 1, and are surrounded by the metal wires 3, and a plurality of filling structures 4 are formed after the plurality of closed areas (not shown) are covered by liquid resin glue.
It is emphasized that the metal wires are embedded and then the glue is dripped to form the filling structures, so that the filling structures can further enhance the interaction between the metal wires and the cortical base after the subsequent curing treatment.
In some embodiments, the liquid resin adhesive used is a light curable acrylate resin adhesive.
In some embodiments, color concentrates are added to the liquid resin glue, and color mixing can be performed according to requirements.
In some embodiments, the liquid resin glue is applied in amounts to each enclosed area and the cortical base is allowed to stand horizontally.
In step S4 of some embodiments, a suitable curing process is selected according to the properties of the liquid resin adhesive.
In some embodiments, the light-curable acrylate resin paste is cured by ultraviolet light curing to form a plurality of simulated enamel layers.
Fig. 4 is a schematic view showing the assembly process of the embodiment of the present invention for embedding the wire in the frame-shaped groove of the wet raw hide. Referring to fig. 4, after a frame-shaped groove 51 is formed on the surface of an original vegetable leather 53, and an adhesive is applied to the bottom of a flat wire 52, since the flat wire 52 is flexible, the shape of the flat wire 52 can be adjusted at any time by using a clamp such as tweezers during the process of embedding the flat wire 52 into the frame-shaped groove 51, so that the flat wire 52 can be tightly fitted with the frame-shaped groove 51 by the adhesive.
Although the embodiments of the present invention have been described in detail hereinabove, it is apparent to those skilled in the art that various modifications and variations can be made to these embodiments. However, it is to be understood that such modifications and variations are within the scope and spirit of the present invention as set forth in the following claims. Moreover, the utility model as described herein is capable of other embodiments and of being practiced or of being carried out in various ways.
Claims (10)
1. A composite article of leather and cold enamel comprising:
the cortical base is provided with a plurality of grooves;
the anti-seepage fixing film covers and is fixed on the technical surface of the leather substrate and the surfaces of the grooves; the bonding layers are fixedly bonded to the anti-seepage fixing film;
the metal wires are bonded and fixed in the grooves through the bonding layers in a one-to-one correspondence mode so as to fill the openings of the grooves, and the leather substrate is divided into a plurality of closed areas;
and the plurality of enamel-imitating layers are correspondingly adhered and fixed to each closed area one by one so as to cover the anti-seepage fixing film of each closed area and fill the space in each closed area.
2. The leather and cold enamel composite article according to claim 1, wherein top surfaces of said plurality of wires are at the same height from a top surface of said leather substrate.
3. A leather and cold enamel composite article according to claim 2 wherein a top enamel layer is provided within each enclosed area flush with a top surface of said wire and filling the space within each said enclosed area.
4. The leather and cold enamel composite article according to claim 1, wherein said grooves have a depth of 1/2-1/3 of the thickness of said leather substrate, and said wires are embedded in said grooves to a depth of 1/3-1/2 of the depth of said grooves.
5. The leather and cold enamel composite article according to claim 4, wherein said wire has a width of 3 mm to 5 mm and a thickness of 1 mm, said groove has a height of 1 to 1.5 mm, and said cortical base has a thickness of not less than 2 mm.
6. The leather and cold enamel composite of claim 5 wherein said grooves retain said wire for a snug fit.
7. The leather and cold enamel composite article according to claim 1, wherein said impermeable holding film has a thickness less than 1/10 of the vertical distance from the top surface of said wire to the top surface of said leather substrate.
8. The leather and cold enamel composite article according to claim 1, wherein the leather substrate is any one of a semi-tanned leather substrate and a fully tanned leather substrate.
9. The leather and cold enamel composite article according to claim 1, wherein at least a portion of said plurality of grooves are arcuate and said wire is a flexible wire.
10. The leather and cold enamel composite article according to claim 9 wherein said flexible wire has a width of 2-3 mm and a thickness of no more than 2 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122351393.9U CN215705413U (en) | 2021-09-27 | 2021-09-27 | Composite article of leather and cold enamel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122351393.9U CN215705413U (en) | 2021-09-27 | 2021-09-27 | Composite article of leather and cold enamel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215705413U true CN215705413U (en) | 2022-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122351393.9U Active CN215705413U (en) | 2021-09-27 | 2021-09-27 | Composite article of leather and cold enamel |
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| Country | Link |
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| CN (1) | CN215705413U (en) |
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- 2021-09-27 CN CN202122351393.9U patent/CN215705413U/en active Active
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