CN111645450A - Process for making Tang grass sculpture - Google Patents

Process for making Tang grass sculpture Download PDF

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Publication number
CN111645450A
CN111645450A CN202010358587.9A CN202010358587A CN111645450A CN 111645450 A CN111645450 A CN 111645450A CN 202010358587 A CN202010358587 A CN 202010358587A CN 111645450 A CN111645450 A CN 111645450A
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Prior art keywords
leather
carving
flower
dye
grass
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CN202010358587.9A
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Chinese (zh)
Inventor
黄五松
韦春华
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Individual
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B44DECORATIVE ARTS
    • B44CPRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
    • B44C1/00Processes, not specifically provided for elsewhere, for producing decorative surface effects
    • B44C1/22Removing surface-material, e.g. by engraving, by etching
    • B44C1/225Removing surface-material, e.g. by engraving, by etching by engraving
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B44DECORATIVE ARTS
    • B44CPRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
    • B44C1/00Processes, not specifically provided for elsewhere, for producing decorative surface effects
    • B44C1/22Removing surface-material, e.g. by engraving, by etching
    • B44C1/224Removing surface-material, e.g. by engraving, by etching manually
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B44DECORATIVE ARTS
    • B44CPRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
    • B44C5/00Processes for producing special ornamental bodies
    • B44C5/04Ornamental plaques, e.g. decorative panels, decorative veneers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B44DECORATIVE ARTS
    • B44DPAINTING OR ARTISTIC DRAWING, NOT OTHERWISE PROVIDED FOR; PRESERVING PAINTINGS; SURFACE TREATMENT TO OBTAIN SPECIAL ARTISTIC SURFACE EFFECTS OR FINISHES
    • B44D2/00Special techniques in artistic painting or drawing, e.g. oil painting, water painting, pastel painting, relief painting
    • B44D2/005Relief painting

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Treatment And Processing Of Natural Fur Or Leather (AREA)

Abstract

The invention provides a process for manufacturing a grass sculpture, which comprises 10 steps of selecting, cutting, wetting, scribing, beating and the like, and the invention enables traditional artistic decorative patterns such as wood carving, relief sculpture, stone carving and the like to be used on leather without any other machine, the whole process steps are completed by two hands, compared with the prior art, the process flow is simplified, the more abundant three-dimensional effect which can not be achieved by other machines is improved, meanwhile, the finished product does not need to be moistened or treated by a formaldehyde fixing agent, is safe and environment-friendly, has rich process application dye, clear product layers and reasonable color depth change, then the leather is sprayed with related emulsion or spray, and the effects of wettability and glossiness and the patterns with good carving and indentation are fused together, thereby realizing the ingenious fusion of picture color and relief and achieving the unprecedented effect of the grass carving and showing.

Description

Process for making Tang grass sculpture
Technical Field
The invention relates to the field of leather product processing technology, in particular to a manufacturing technology of a Tang grass sculpture for manufacturing leather carving, leather carving artware and leather carving artware.
Background
In history, people are hunting out and the animal skin bag under the hunting is draped on the body and is marked with a pattern on the upper side by a stone or a tree branch during the original year, so that all the animal skin bags are shown. In the late stage of Qing dynasty, the process prevailed in royalty palace, and later on, it was popular among people. The transportation boxes between the funeral artists and the businessmen walking all over the region have elements of the grass and the grass carving. Especially, the traditional Chinese medicine is more prevalent in the minority nationality such as inner Mongolia and the like. At that time, the leather carving tools were deficient and crude, so the carving patterns were relatively simple, and mostly took the traditional decorative pattern-Tangcao (ramose weed). However, as time goes on, the craftsmen who stick to the handicraft will sharply decrease, possibly due to the pressure of life, and cause serious "generation-breaking" phenomenon, and then few teachers and masters have come down, including some related simple tools.
The foreign leather carving technology for Thangcao patterns is characterized in that after a design drawing is copied to leather, a tool is used for building layers, but the skill is more natural, especially for the expression of flowers, certain layering sense and space sense are lacked, the effect of the product is not rich enough, the effect of the product which is more realistic and vivid is not achieved, the process expression of the product which is manufactured in the way is insufficient, and the optimal effect of the process cannot be embodied.
The invention content is as follows:
the invention aims to overcome the defects of the prior art and provide a standard and comprehensive manufacturing process of the grass sod carving.
The purpose of the invention is realized by the following technical scheme:
a manufacturing process of leather carving Thanggrass comprises the following process steps:
q1, skin selecting procedure: selecting vegetable tanned leather with the thickness of 1-5 mm;
q2, skin cutting procedure: cutting the selected leather and the design drawing according to the size and the shape of 1: 1;
q3, wetting step: uniformly spraying the front side of the cut leather with clear water to ensure that the water content of the leather is between 30 and 40 percent;
q4, copy pattern process: drawing the lines of the designed Tang grass draft on the front surface of the sprayed leather, and pasting a layer of sticky anti-stretching paper on the back surface in order to prevent the leather from deforming in the subsequent carving process;
q5, rewetting procedure: wetting the leather again;
q6, scribing step: according to the copied pattern contour line, a rotary knife is used for carving a knife line, and the depth of the knife line is controlled to be 1/3-1/2 of the thickness of the leather;
q7, edge picking step: using a tool to carry out edge picking treatment at turning or twisting positions of petals and each leaf to generate a convex effect;
q8, edging step: beating the leather carving pattern tool with the inclined surface along the knife line carved by the rotary knife to make the plane leather present staggered layers;
q9, hatching process: the concave shadow effect is formed at the convex position of the petals of the flower and various leaves at the periphery of the flower, and the sharp contrast is formed by matching the Q7 edging process, so that the concave and convex three-dimensional effects are formed;
q10, rich flower type process: making the fluctuation and radiation of the flower heart and petals of the flower, beating the vein patterns of the modified leaves and ferns, and making the veins of the leaves in a rotating and turning-back mode;
q11, background modeling: pressing down the background of the Thangcao pattern by 0.1-2.0mm with a tool;
q12, carving decorative lines: carving decorative lines with attractive vision on the patterns of the carved tool by using a rotary cutter;
q13: background dyeing process: the writing brush is dipped with the water-like dye, and the position of the background is dyed with colors, so that the works can be more well-arranged;
q14: a dye-proof procedure: the water-based emulsion and the paint liquid are used for wiping or spraying on the works, so that the effects of fixing color and slightly preventing water are achieved;
q15: oil dyeing process: the paste dye is used for coating on the works, the redundant dye on the surface layer is wiped off, the color is changed after the oil dye is absorbed in the shadow and the lines of the background and the beating tool in the concave-convex work effect manufactured in the previous carving process, and other parts can be changed into light color such as light color, so that the works are more complete and the color in the visual sense is more visually presented in a three-dimensional way;
q16: shaping process: on the premise that the leather is wet, the force is applied to the front side of the work from the back side of the relevant positions of petals, flower centers, large-sized leaves and ferns by means of tools or finger tops, pressing, cones and the like, the fluctuation feeling of the work is enlarged, the work is more three-dimensional, and then the processed positions are coated with the water-shaped leather hardening agent, so that the work is shaped and is not easy to rebound;
q17: a color fixing procedure: the finishing agent and the fixing agent are used for spraying on the works, so that the works are not easy to fade and stain, and all the working procedures are finished.
In the technical scheme, the Q1 leather is selected from the cow leather produced by a vegetable tanning leather making process.
In the above technical solution, the Q11, the tool selecting grid tool or dot tool, is used to make the background of the grass pattern down 0.1-2.0 mm.
In the above technical solution, the Q11 can also use a cutting tool to directly cut off the background of the grass pattern to form a hollow effect.
In the technical scheme, in the Q12 decorative pattern, the decorative lines on the petals are divided into a left radian trend and a right radian trend by taking the flower center as the center, the middle is vertical, and each small leaflet on the periphery of the flower follows two lines according to the trend of veins, one long line and one short line; the fern-shaped position is a plurality of spiral lines, a long line is carved along the fern shape, and the leaves of other deformed leaves are carved with line decorations according to the shapes.
In the above technical solution, the Q13 aqueous dye is selected from alcohol dyes and basic aqueous dyes containing alcohol components.
In the technical scheme, the Q15 paste dye is water-based or oil-based.
In the technical scheme, the fixing agent Q17 is in a cotton cloth, brush pen wiping or spraying mode.
The invention has the beneficial effects that:
1. the invention enables the traditional artistic decorative patterns (grass of Tang and cranberry) such as wood carving, relief sculpture, stone carving and the like to be used on the leather, and has the decorative or practical efficacy;
2. according to the invention, the pattern can be copied and copied to the vegetable tanning leather by using a colorless pen on the design drawing without any other machine, then the cutter is used for creating three-dimensional layers, and the whole process steps can be completed by two hands, so that compared with the prior art, the process flow is simplified, the three-dimensional effect which is richer and can not be achieved by other machines is improved, meanwhile, the finished product is not required to be wetted, and the treatment by using a formaldehyde color fixing agent is not required, so that the process is safe and environment-friendly;
3. according to the invention, the chemical hardening agent for hardening the leather is coated in the groove which is formed by plastic processing on the back surface of the vegetable-tanned leather, so that the three-dimensional effect of the whole picture can be enhanced without filling any substance, the picture is rich in layers, and the whole picture is not easy to deform;
4. the process of the invention uses abundant dyes, so that the level of the work is clear, the color depth changes reasonably, then the work is sprayed on the picture of the leather by related emulsion or spray, and the effects of the wettability and the glossiness and the pattern with good engraving and indentation are fused together, thereby realizing the ingenious fusion of the picture color and the relief;
5. the invention highly fuses the Thangsgiving sod carving process, so that the whole picture has good brightness, smooth lines, prominent light and shade contrast and rich colors, realizes the high fusion of the picture color and the relief sculpture process, and achieves the unprecedented Thangsgiving sod carving display effect.
Description of the drawings:
FIG. 1: the embodiments use a blueprint pattern.
The specific implementation mode is as follows:
the technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings and embodiments, and it is to be understood that the described embodiments are only a part of the embodiments of the present invention, and 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.
The specific embodiment is as follows:
according to the embodiment shown in fig. 1: a manufacturing process of leather carving Thanggrass comprises the following process steps:
q1, skin selecting procedure: selecting vegetable tanned cattle hide with thickness of 5 mm;
q2, skin cutting procedure: cutting the selected leather and the design drawing according to the size and the shape of 1:1, wherein the design drawing is a flower with flower spikes as an example;
q3, wetting step: uniformly spraying the cut leather with clear water to wet the front side of the leather, so that the water content of the leather is 35%;
q4, copy pattern process: drawing lines of the designed Tang draft on the front surface of the wet sprayed leather, and pasting a layer of paper with a film attached on the surface and sticky anti-stretching paper on the back surface in order to prevent the leather from deforming in the subsequent engraving process;
q5, rewetting procedure: because the moisture on the leather volatilizes along with the time, the leather is moistened again, so that the moisture content of the leather is 35 percent, the preparation is made for scribing, and the lines can be smoother and easier to scribe;
q6, scribing step: carving a cutter line according to the copied pattern contour line, paying attention to the fact that the line is true and false, the depth change and the fluency are observed, and controlling the depth of the cutter line to be 1/3 of the thickness of the leather;
q7, edge picking step: using a tool to carry out edge picking treatment at turning or twisting positions of petals and each leaf to generate a convex effect;
q8, edging step: beating the leather carving and printing tool with the inclined surface along the knife line carved by the rotary knife so that the upper edge of the plane leather begins to present a staggered layer;
q9, hatching process: the concave shadow effect is formed at the convex position of the petals of the flower and various leaves at the periphery of the flower, and the sharp contrast is formed by matching the Q7 edging process, so that the concave and convex three-dimensional effects are formed;
q10, rich flower type process: making the relief feeling and the radiation feeling of the flower heart and the flower petal of the flower, beating the vein feeling of the modified leaves and fern-shaped veins and the veins of the twisted (rotating, turning back and the like) leaves, and beating the 'paragraph feeling' of the whole work by using a U-shaped or V-shaped tool;
q11, background modeling: on the premise that the thickness of the original leather is 1-5mm, pressing down the background of the Thangla pattern by 0.1-2.0mm by using a grid tool, or knocking down the background of the Thangla pattern by 0.1-2.0mm by using a dot tool, or knocking down the background of the Thangla pattern by 0.1-2.0mm by using dot tools with different sizes in combination, or directly cutting off the background of the Thangla pattern by using a related cutter to form a hollow effect;
q12, carving decorative lines: the rotary cutter is used for carving beautiful and visual decorative patterns on the patterns of the carved tool, and the flowers and various leaves are more blossoming and abundant. The decorative lines on the petals basically take the flower center as the center, divide the left radian trend and the right radian trend, and are vertical in the middle. Each lobular base around the flower follows two lines, one long and one short, according to the trend of the veins. The fern-shaped positions are generally spiral lines, or long lines are carved along with the fern shape, and the leaves of other deformed leaves are also carved with line decorations according to the shapes of the fern-shaped positions;
q13: background dyeing process: dipping alcohol dye containing alcohol components or water-like dye such as salt and the like by using a writing brush, and dyeing the color at the position of the background to make the work more distinct;
q14: a dye-proof procedure: the water-based emulsion with waterproof property or the bright oil with paint property is used for wiping or spraying on works, so that the effects of fixing color and slightly preventing water are achieved;
q15: oil dyeing process: the paste water-based or oil-based dye is used for coating the works, redundant dye on the surface layer is wiped off, the color is shown in the background, the shadow of a tool and the lines in the concave-convex fluctuating work effect manufactured in the previous carving process, the color is changed after the oil dye is absorbed in the shadow and the lines, and other parts can be the change of the light and dark color such as light color, so that the works are more complete and the color in the vision is more visually and three-dimensionally and more intuitively shown;
q16: and (3) a plasticity procedure: the water content of the leather is controlled to be 30%, under the premise that the leather is wet, force is applied to the front side of the work from the back side of the work in the form of tools or finger tops, pressing, coning and the like at relevant positions of petals, flower centers, large-sized leaves, ferns and the like of flowers, the fluctuation feeling of the work is enlarged, the work is more three-dimensional, and then the processed positions are coated with the water-shaped leather hardening agent, so that the work is shaped and is not easy to rebound;
q17: a color fixing procedure: the water-like fixing agent is wiped by cotton cloth or a writing brush or the liquid with fixed color and increased color is sprayed, so that the works are not easy to fade and stain, and all the working procedures are finished.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (8)

1. The manufacturing process of the Tang grass sculpture is characterized in that: the method comprises the following process steps:
q1, skin selecting procedure: selecting vegetable tanned leather with the thickness of 1-5 mm;
q2, skin cutting procedure: cutting the selected leather and the design drawing according to the size and the shape of 1: 1;
q3, wetting step: uniformly spraying the front side of the cut leather with clear water to ensure that the water content of the leather is between 30 and 40 percent;
q4, copy pattern process: drawing the lines of the designed Tang grass draft on the front surface of the sprayed leather, and pasting a layer of sticky anti-stretching paper on the back surface in order to prevent the leather from deforming in the subsequent carving process;
q5, rewetting procedure: wetting the leather again;
q6, scribing step: according to the copied pattern contour line, a rotary knife is used for carving a knife line, and the depth of the knife line is controlled to be 1/3-1/2 of the thickness of the leather;
q7, edge picking step: using a tool to carry out edge picking treatment at turning or twisting positions of petals and each leaf to generate a convex effect;
q8, edging step: beating the leather carving pattern tool with the inclined surface along the knife line carved by the rotary knife to make the plane leather present staggered layers;
q9, hatching process: the concave shadow effect is formed at the convex position of the petals of the flower and various leaves at the periphery of the flower, and the sharp contrast is formed by matching the Q7 edging process, so that the concave and convex three-dimensional effects are formed;
q10, rich flower type process: making the fluctuation and radiation of the flower heart and petals of the flower, beating the vein patterns of the modified leaves and ferns, and making the veins of the leaves in a rotating and turning-back mode;
q11, background modeling: pressing down the background of the Thangcao pattern by 0.1-2.0mm with a tool;
q12, carving decorative lines: carving decorative lines with attractive vision on the patterns of the carved tool by using a rotary cutter;
q13: background dyeing process: the writing brush is dipped with the water-like dye, and the position of the background is dyed with colors, so that the works can be more well-arranged;
q14: a dye-proof procedure: the water-based emulsion and the paint liquid are used for wiping or spraying on the works, so that the effects of fixing color and slightly preventing water are achieved;
q15: oil dyeing process: the paste dye is used for coating on the works, the redundant dye on the surface layer is wiped off, the color is changed after the oil dye is absorbed in the shadow and the lines of the background and the beating tool in the concave-convex work effect manufactured in the previous carving process, and other parts can be changed into light color such as light color, so that the works are more complete and the color in the visual sense is more visually presented in a three-dimensional way;
q16: shaping process: on the premise that the leather is wet, the force is applied to the front side of the work from the back side of the relevant positions of petals, flower centers, large-sized leaves and ferns by means of tools or finger tops, pressing, cones and the like, the fluctuation feeling of the work is enlarged, the work is more three-dimensional, and then the processed positions are coated with the water-shaped leather hardening agent, so that the work is shaped and is not easy to rebound;
q17: a color fixing procedure: the finishing agent and the fixing agent are used for spraying on the works, so that the works are not easy to fade and stain, and all the working procedures are finished.
2. The grass carving process of claim 1 wherein: said Q1 leather is selected from the group consisting of cow leather.
3. The grass carving process of claim 2 wherein: and Q11, a tool selecting grid or a dot tool is used for punching the background of the Thanggrass pattern down by 0.1-2.0 mm.
4. The grass carving process of claim 3 wherein: the Q11 can also be used for directly cutting off the background of the Thanggrass pattern by using a cutting tool to form a hollow-out effect.
5. The grass carving process of claim 3 wherein: in the Q12 decorative pattern, the decorative lines on the petals are divided into a left radian direction and a right radian direction by taking the flower center as the center, the middle part is vertical, and each small leaflet on the periphery of the flower follows two lines according to the trend of the veins, one long line and one short line; the fern-shaped position is a plurality of spiral lines, a long line is carved along the fern shape, and the leaves of other deformed leaves are carved with line decorations according to the shapes.
6. The process of claim 5, wherein: the Q13 aqueous dye is selected from alcohol dye containing alcohol component and salt-based aqueous dye.
7. The process of claim 6, wherein: the Q15 paste dye is water-based or oil-based.
8. The process of claim 7, wherein: and Q17, the fixative adopts cotton cloth, brush wiping or spraying.
CN202010358587.9A 2020-04-29 2020-04-29 Process for making Tang grass sculpture Pending CN111645450A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113771544A (en) * 2021-10-14 2021-12-10 赵麓麓 Leather carving picture carved and highlighted on cow leather and manufacturing method thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102922934A (en) * 2012-10-09 2013-02-13 王书品 Metal plate shadow statue
CN106042753A (en) * 2016-06-01 2016-10-26 内蒙古格日勒皮艺文化产业发展有限公司 Manufacturing process for leather carving picture
KR101995265B1 (en) * 2019-03-27 2019-07-02 이유한 Method for attaching a metal sticker of leather

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102922934A (en) * 2012-10-09 2013-02-13 王书品 Metal plate shadow statue
CN106042753A (en) * 2016-06-01 2016-10-26 内蒙古格日勒皮艺文化产业发展有限公司 Manufacturing process for leather carving picture
KR101995265B1 (en) * 2019-03-27 2019-07-02 이유한 Method for attaching a metal sticker of leather

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
王景冬等: "《时尚手工皮艺16例》", 30 September 2012, 重庆大学出版社 *
董斌等: "手工皮艺产品的创新设计与开发研究", 《包装工程》 *
赵庆: "皮雕艺术探索与应用研究", 《艺术科技》 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113771544A (en) * 2021-10-14 2021-12-10 赵麓麓 Leather carving picture carved and highlighted on cow leather and manufacturing method thereof

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Application publication date: 20200911