CN106191332B - Leather pure hand wiping process - Google Patents
Leather pure hand wiping process Download PDFInfo
- Publication number
- CN106191332B CN106191332B CN201610520381.5A CN201610520381A CN106191332B CN 106191332 B CN106191332 B CN 106191332B CN 201610520381 A CN201610520381 A CN 201610520381A CN 106191332 B CN106191332 B CN 106191332B
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- leather
- wiping
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- sealing
- leather surface
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- C—CHEMISTRY; METALLURGY
- C14—SKINS; HIDES; PELTS; LEATHER
- C14C—CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING, IMPREGNATING, FINISHING; APPARATUS THEREFOR; COMPOSITIONS FOR TANNING
- C14C11/00—Surface finishing of leather
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- C—CHEMISTRY; METALLURGY
- C14—SKINS; HIDES; PELTS; LEATHER
- C14B—MECHANICAL TREATMENT OR PROCESSING OF SKINS, HIDES OR LEATHER IN GENERAL; PELT-SHEARING MACHINES; INTESTINE-SPLITTING MACHINES
- C14B1/00—Manufacture of leather; Machines or devices therefor
- C14B1/44—Mechanical treatment of leather surfaces
- C14B1/56—Ornamenting, producing designs, embossing
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- C—CHEMISTRY; METALLURGY
- C14—SKINS; HIDES; PELTS; LEATHER
- C14B—MECHANICAL TREATMENT OR PROCESSING OF SKINS, HIDES OR LEATHER IN GENERAL; PELT-SHEARING MACHINES; INTESTINE-SPLITTING MACHINES
- C14B1/00—Manufacture of leather; Machines or devices therefor
- C14B1/58—Drying
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Treatment And Processing Of Natural Fur Or Leather (AREA)
Abstract
The invention discloses a pure hand wiping process for leather, which comprises pre-wiping color, sealing bottom ironing, water polishing, checking bottom color, sealing lining, spraying wiping layer, wiping color again, roller wiping and drying, ironing and flattening finished products, and taking out finished products of a milling toggling plate. Compared with the prior art, the leather pure hand wiping process has the advantages that different colors are wiped on single-color leather by a series of treatment of color wiping, bottom sealing, water ironing, lining sealing and roller wiping drying, the three-dimensional effect and the transparency of the color are improved, the layering effect of different colors is realized on the leather surface, the characteristic of antique color and flavor is improved, lines are more displayed, a part of the damaged part is covered, and the utilization rate of the leather surface is enhanced.
Description
Technical Field
The invention relates to the technical field of leather hand wiping, in particular to a leather hand wiping process.
Background
The leather is animal skin which is obtained by physical and chemical processing such as unhairing, tanning and the like and is denatured and non-perishable. The leather is formed by tightly weaving natural protein fibers in a three-dimensional space, and the surface of the leather is provided with a special grain surface layer which has natural grains and luster and comfortable hand feeling.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a leather pure hand wiping process.
In order to achieve the purpose, the invention adopts the following technical scheme:
a leather pure hand wiping process specifically comprises the following steps:
s1, pre-rubbing: soaking gauze mask in alcohol, uniformly rubbing for 4-6 times, and rubbing to obtain broken flower shape, tearing gauze mask, soaking in spray dye, and uniformly coloring;
s2, bottom sealing: uniformly sealing the leather surface finished in the step S1 with a gun, wherein the gun sealing is 12 guns, the sealing temperature is controlled at 80 ℃, 16.7 revolutions are carried out, the weight of each piece is 1-1.2 jin, and the sealing and storing time is more than 4 hours;
s3, bottom sealing and ironing: the temperature of the back cover ironing surface is 120 ℃, the pressure during sealing and ironing is 75mpa, the speed is 6.5 meters, the gloss of the leather surface is consistent, no wrinkles exist in the body part, the allowance of the part between the ribs and the hips is not more than 6cm, the leather surface is not polluted when the leather is connected, and the resin is uniformly sprayed;
s4, blanching with water: the temperature of the leather surface water ironing surface in the S3 is set to be 120 ℃, the pressure during the water ironing is 30mpa, the speed is 8 meters, and no pollution and no folding are caused during the water ironing;
s5, water light falling: the water light falls for 2-4 hours, the leather surface is inspected for 2 hours, the humidity is 40-45, the temperature is 40-59 ℃, so that the patterns on the surface of the leather surface are natural, the leather body is soft, then the water light falls for softening and stretching, the normal temperature is kept when the leather surface is soft and stretched, the tension is 2-4, the soft and stretching needs to keep the leather body smooth, and the leather surface does not have wrinkles;
s6, checking the background color: after S1-S5, the evenness of the whole piece of skin and the whole batch is checked, the whole body of the flower mass is uneven, and the CLA-A color material can be used for uniformly compensating;
s7, sealing: when sealing the lining, the temperature needs to be kept at 60 ℃, the lining sealing speed is 15 meters, the rotating speed is 16.7 revolutions, the cleanness of a conveyor belt is ensured when sealing the lining, the front surface of the leather cannot be polluted, and then the water is polished;
s8, spraying a lower wiping layer: the spraying is uniform, the spraying is not deep, the coating is not easy to wipe off after being too deep, the texture is too black, and slurry is easy to crack;
s9, wiping again: wiping with plain cloth to make the flower ball uniform without wiping print, wiping the periphery in place, excessive natural, not rigid flower type, wiping color in place and not effective;
s10, roller wiping and drying: the drying is carried out in a suspension manner, the suspension angle is 55 ℃, air draft is started, the temperature in flat drying is 100 ℃, the speed of a pulp spraying machine is 8 meters, the drying line rotates by 100 turns, then the color is separated by roller rubbing, and then the color is corrected;
s11, drying: hanging the leather surface in a drying device, and drying by 4 fans, wherein the drying line is 10 m;
s12, ironing a finished product: ironing temperature is 100 ℃, pressure is 10, no pollution and no folding are caused during ironing, and then wet wiping is carried out;
s13, finished product of the milling toggling plate: the finished product is softened for 2-4 hours at the temperature of 40-50 ℃, the inspection is started after 1 hour, the normal temperature is kept during plate stretching, and the clamping distance is 20 centimeters;
and S14, taking out the finished product.
Compared with the prior art, the leather pure hand wiping process has the advantages that different colors are wiped on single-color leather by a series of treatment of color wiping, bottom sealing, water ironing, lining sealing and roller wiping drying, the three-dimensional effect and the transparency of the color are improved, the layering effect of different colors is realized on the leather surface, the characteristic of antique color and flavor is improved, lines are more displayed, a part of the damaged part is covered, and the utilization rate of the leather surface is enhanced.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
A leather pure hand wiping process specifically comprises the following steps:
s1, pre-rubbing: soaking gauze mask in alcohol, uniformly rubbing for 4-6 times, and rubbing to obtain broken flower shape, tearing gauze mask, soaking in spray dye, and uniformly coloring;
s2, bottom sealing: uniformly sealing the leather surface finished in the step S1 with a gun, wherein the gun sealing is 12 guns, the sealing temperature is controlled at 80 ℃, 16.7 revolutions are carried out, the weight of each piece is 1-1.2 jin, and the sealing and storing time is more than 4 hours;
s3, bottom sealing and ironing: the temperature of the back cover ironing surface is 120 ℃, the pressure during sealing and ironing is 75mpa, the speed is 6.5 meters, the gloss of the leather surface is consistent, no wrinkles exist in the body part, the allowance of the part between the ribs and the hips is not more than 6cm, the leather surface is not polluted when the leather is connected, and the resin is uniformly sprayed;
s4, blanching with water: the temperature of the leather surface water ironing surface in the S3 is set to be 120 ℃, the pressure during the water ironing is 30mpa, the speed is 8 meters, and no pollution and no folding are caused during the water ironing;
s5, water light falling: the water light falls for 2-4 hours, the leather surface is inspected for 2 hours, the humidity is 40-45, the temperature is 40-59 ℃, so that the patterns on the surface of the leather surface are natural, the leather body is soft, then the water light falls for softening and stretching, the normal temperature is kept when the leather surface is soft and stretched, the tension is 2-4, the soft and stretching needs to keep the leather body smooth, and the leather surface does not have wrinkles;
s6, checking the background color: after S1-S5, the evenness of the whole piece of skin and the whole batch is checked, the whole body of the flower mass is uneven, and the CLA-A color material can be used for uniformly compensating;
s7, sealing: when sealing the lining, the temperature needs to be kept at 60 ℃, the lining sealing speed is 15 meters, the rotating speed is 16.7 revolutions, the cleanness of a conveyor belt is ensured when sealing the lining, the front surface of the leather cannot be polluted, and then the water is polished;
s8, spraying a lower wiping layer: the spraying is uniform, the spraying is not deep, the coating is not easy to wipe off after being too deep, the texture is too black, and slurry is easy to crack;
s9, wiping again: wiping with plain cloth to make the flower ball uniform without wiping print, wiping the periphery in place, excessive natural, not rigid flower type, wiping color in place and not effective;
s10, roller wiping and drying: the drying is carried out in a suspension manner, the suspension angle is 55 ℃, air draft is started, the temperature in flat drying is 100 ℃, the speed of a pulp spraying machine is 8 meters, the drying line rotates by 100 turns, then the color is separated by roller rubbing, and then the color is corrected;
s11, drying: hanging the leather surface in a drying device, and drying by 4 fans, wherein the drying line is 10 m;
s12, ironing a finished product: ironing temperature is 100 ℃, pressure is 10, no pollution and no folding are caused during ironing, and then wet wiping is carried out;
s13, finished product of the milling toggling plate: the finished product is softened for 2-4 hours at the temperature of 40-50 ℃, the inspection is started after 1 hour, the normal temperature is kept during plate stretching, and the clamping distance is 20 centimeters;
and S14, taking out the finished product.
In summary, the following steps: compared with the prior art, the leather pure hand wiping process has the advantages that different colors are wiped on single-color leather by a series of treatment of color wiping, bottom sealing, water ironing, lining sealing and roller wiping drying, the three-dimensional effect and the transparency of the color are improved, the layering effect of different colors is realized on the leather surface, the characteristic of antique color and flavor is improved, lines are more displayed, a part of the damaged part is covered, and the utilization rate of the leather surface is enhanced.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (1)
1. The leather pure hand wiping process is characterized by comprising the following steps:
s1, pre-rubbing: soaking gauze mask in alcohol, uniformly rubbing for 4-6 times, and rubbing to obtain broken flower shape, tearing gauze mask, soaking in spray dye, and uniformly coloring;
s2, bottom sealing: uniformly sealing the leather surface finished in the step S1 with a spray gun, controlling the sealing temperature to be 80 ℃, controlling the spraying weight of each piece of leather to be 1-1.2 jin, and keeping the sealing and the aging time to be more than 4 hours;
s3, bottom sealing and ironing: the temperature of the back cover ironing operation is 120 ℃, the pressure during the back cover ironing is 75MPa, the gloss of the leather surface is consistent, no wrinkle exists in the body part, the wrinkle in the part between the ribs and the hips is not allowed to exceed 6cm, the wrinkle must be pulled apart during the leather connecting operation, the leather surface is free from pollution, and the resin is uniformly sprayed;
s4, blanching with water: performing water blanching treatment on the leather surface in the step S3, wherein the temperature of the leather surface subjected to the water blanching treatment is 120 ℃, the pressure during the water blanching is 30MPa, and the leather surface is free of pollution and folds during the water blanching;
s5, softening by water light: the water light is used for 2-4 hours, the leather surface is inspected after the water light is used for 2 hours, the water light is used for softening at the temperature of 40-59 ℃ so that patterns on the surface of the leather surface are natural and the leather body is soft, then the soft stretching operation is carried out, the normal temperature is kept during the soft stretching operation, and the soft stretching operation is required to keep the leather body smooth and free of wrinkles;
s6, checking the background color: after S1-S5, checking the color wiping evenness of the whole piece of leather and the whole batch of leather, and if the whole flower mass of the leather surface is not uniform, using CLA-A color wiping material to make up the uniform color wiping;
s7, sealing: the temperature is required to be kept at 60 ℃ during lining sealing, the cleanness of the conveyor belt is required to be ensured during lining sealing, the leather surface cannot be polluted, and then water light treatment is carried out;
s8, spraying a lower wiping layer: the spraying is uniform and is not too deep;
s9, wiping again: wiping with plain cloth to make the flower ball uniform without wiping print, with the periphery wiping in place, natural transition, no stiffness in flower type, and good wiping color;
s10, roller wiping and drying: the drying is carried out in a hanging mode, the hanging angle is 55 degrees, an air draft device is started to conduct air draft operation, the temperature during drying is 100 degrees centigrade, then color is separated through roller wiping, and then color correction is carried out;
s11, drying: hanging the leather surface in a drying device, and drying by 4 fans, wherein the drying line is 10 m;
s12, ironing a finished product: the ironing temperature is 100 ℃, the leather surface is free of pollution and folds during ironing, and then the wet rub resistance performance test is carried out on the ironed leather surface;
s13, finished product of the milling toggling plate: the finished product is subjected to milling for 2-4 hours at the temperature of 40-50 ℃, the milling condition is checked after milling for 1 hour, the normal temperature is kept during plate stretching, and the clamping distance is 20 cm;
and S14, taking out the finished product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610520381.5A CN106191332B (en) | 2016-07-05 | 2016-07-05 | Leather pure hand wiping process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610520381.5A CN106191332B (en) | 2016-07-05 | 2016-07-05 | Leather pure hand wiping process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106191332A CN106191332A (en) | 2016-12-07 |
| CN106191332B true CN106191332B (en) | 2021-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610520381.5A Active CN106191332B (en) | 2016-07-05 | 2016-07-05 | Leather pure hand wiping process |
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Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1090330A (en) * | 1993-12-09 | 1994-08-03 | 买胜荣 | Ox-hide is wiped non-ferrous metal Effect Leather and production method thereof |
| JP3830660B2 (en) * | 1998-06-16 | 2006-10-04 | 慶子 村上 | Leather material processing methods, leather materials and leather products |
| CN101161823B (en) * | 2006-10-12 | 2010-05-12 | 淄博大桓九宝恩制革有限公司 | Process for making colorful art leather |
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- 2016-07-05 CN CN201610520381.5A patent/CN106191332B/en active Active
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| CN106191332A (en) | 2016-12-07 |
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