CN103773909A - Processing method for sheared sheep skin leather - Google Patents
Processing method for sheared sheep skin leather Download PDFInfo
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- CN103773909A CN103773909A CN201210416967.9A CN201210416967A CN103773909A CN 103773909 A CN103773909 A CN 103773909A CN 201210416967 A CN201210416967 A CN 201210416967A CN 103773909 A CN103773909 A CN 103773909A
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Abstract
The invention discloses a processing method for sheared sheep skin leather. The method comprises the step of performing board shrinkage on a piece of sheared sheep skin subjected to preparation, wherein a roll coater is used, a shrink agent is added into the roll coater, and is coated on the sheared sheep skin leather by the roll coater, and then the leather is subjected to still standing, backwater, drying and finishing to obtain a sheared sheep skin product. According to the method, the roll coater is used to uniformly coat the shrink agent on the sheared sheep skin leather, and the shrink agent enables the leather to shrink, and can fully permeate into the leather through the still standing of the leather, so that the leather can shrink further to obtain required sheared sheep skin with higher wool density, and a problem that raw materials of the high-density sheared sheep skin are less, which limit the mass processing and production of the required sheared sheep skin leather with higher wool density in the prior art is solved.
Description
Technical field
The present invention relates to leather processing technical field, particularly a kind of working method of sheep shorn velvet cladding.
Background technology
The machining process of sheep shorn velvet cladding is divided into preparation, tanning and ornamenting (also referred to as arranging) three phases conventionally.The ornamenting stage in the past mainly by dry, open and flat, draw some basic methods such as soft buffing to guarantee the form and aspect of fleece, directly degree and the quality index such as shatter value, and processing ask for something is while having the product of higher gross density, such as sheep shorn velvet bed blanket, only can process by manually selecting the methods such as skin to pick out the fur raw material that gross density is higher at present, because starting material are more limited, and gross density is inhomogeneous, is unsuitable for mass and processes the product that needed gross density is higher.
In sum, how realizing mass and process the cladding product that required gross density is higher, is those skilled in the art's problem demanding prompt solutions.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of working method of sheep shorn velvet cladding, process with mass the woolen velvet product that required gross density is higher.
The invention provides following technical scheme for achieving the above object:
A working method for sheep shorn velvet cladding, comprises the following steps:
A, by the sheep shorn velvet contracting plate operation after preparatory process:
Use roller coating machine, shrinking agent is added in described roller coating machine, by roller coating machine, described shrinking agent is coated on the hide of described sheep shorn velvet, leave standstill afterwards hide.
Preferably, in above-mentioned working method, further comprising the steps of after described steps A:
B, first use clean-out system to clean hide, use afterwards pickling agent to carry out first round pickling to hide;
C, hide is shaped and dried;
D, hide is arranged: once after water spray, leave standstill, after secondary water spray, leave standstill, draw moccasin to open, afterwards hide is scalded and cut.
Preferably, in above-mentioned working method, described steps A comprises:
A01, the sheep shorn velvet contracting plate operation that is 4.5-5/every square centimeter by gross density before the contraction after preparatory process;
A02, using roller coating machine, is that the row skin rotating speed of 9-11r/min and roller coating machine is 9-11r/min by adjusting the rotating speed of roller of described roller coating machine, described shrinking agent is coated on the hide of sheep shorn velvet, and the consumption of shrinking agent on each hide is 140-180g;
Individual hour of A03, standing described hide 7-9.
Preferably, in above-mentioned working method, the coating number of times on the hide that described shrinking agent is coated to sheep shorn velvet in described steps A 2 is for once.
Preferably, in above-mentioned working method, the coating number of times on the hide that described shrinking agent is coated to sheep shorn velvet in described steps A 2 is twice to four times.
Preferably, in above-mentioned working method, described step B comprises:
B01, described hide is carried out in paddle-tumble machine to backwater processing: use HIC to clean described hide, the temperature of cleaning is 35 ℃-40 ℃, and scavenging period is 25-35min;
B02, use formic acid carry out first round pickling to hide, and the temperature of pickling is 18 ℃-22 ℃, and pickling time is 5-15min.
Preferably, in above-mentioned working method, after step B02, also comprise:
B03, described hide is carried out to the processing of twice brush chromium, leave standstill 5-7 hour;
B04, in water, described hide is carried out to second with sulfuric acid and take turns pickling, pickling three times, each pickling time 10-20min.
Preferably, in above-mentioned working method, described step C, for hide being fixed on to sizing and oven dry on toggling dryer, adjusts the area of hide by adjusting the lattice number of toggling dryer.
Preferably, in above-mentioned working method, in the time that coating number of times is one time, the lattice number in described step C is 2 lattice.
Preferably, in above-mentioned working method, described shrinking agent is strong acid preparation.
With respect to prior art, the invention has the beneficial effects as follows:
In the working method of sheep shorn velvet cladding provided by the invention, utilize roller coating machine shrinking agent to be coated to fifty-fifty on the hide of sheep shorn velvet, shrinking agent shrinks hide, leave standstill by hide again, shrinking agent fully permeates, and hide is further shunk, to reach required gross density; Solve in prior art the problem that is unsuitable for mass and processes the cladding product that required gross density is higher because of starting material restriction.
In addition, use shrinking agent to make the gross density of sheep shorn velvet more even, feel is better, is difficult for hair down.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or scheme of the prior art, to accompanying drawing that describe required use in embodiment or prior art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those skilled in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the overall craft schema of the working method of a kind of sheep shorn velvet cladding provided by the invention;
A kind of concrete technology schema that Fig. 2 provides for the embodiment of the present invention.
Embodiment
The embodiment of the present invention provides a kind of working method of sheep shorn velvet cladding, has solved in prior art the problem that is unsuitable for mass and processes the cladding product that required gross density is higher because of starting material restriction.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only a part of embodiment of the present invention, rather than whole embodiment.Based on embodiments of the invention, all other embodiment that those of ordinary skills obtain under the prerequisite of not making creative work, belong to the scope of protection of the invention.
Please refer to Fig. 1 and Fig. 2, Fig. 1 is the overall craft schema of the working method of a kind of sheep shorn velvet cladding provided by the invention; A kind of concrete technology schema that Fig. 2 provides for the embodiment of the present invention.
Overview flow chart of the present invention as shown in Figure 1, comprises the following steps:
First carry out preparatory process; After sheep shorn velvet batching is dyeed and scalding and cut, carry out sorting according to the difference of gross density, enter steps A.
Steps A, contracting plate operation;
Use roller coating machine, roller coating machine is selected suitable roller according to the gross density of sheep shorn velvet before shrinking, shrinking agent is added to roller coating machine, and adjust rotating speed and the row skin rotating speed of the roller of roller coating machine, shrinking agent is coated on the hide of sheep shorn velvet by roller coating machine, the shrinking agent on every hide reaches certain amount, afterwards the hide that has applied shrinking agent is left standstill, the standing shrinking agent that makes by certain hour is penetrated in hide effectively, and hide further shrinks.
Step B, backwater operation;
First use clean-out system to clean hide, use afterwards pickling agent to carry out first round pickling to hide, clean-out system is degreasing class reagent, can wash the acidic substance on hide surface, and pickling agent is acids reagent; The object of backwater operation is the shrinking agent remaining on hide to wash off, can make in addition hide recover smooth, facilitates the carrying out of subsequent handling.
Step C, baking operation;
Hide through backwater is shaped and dried.
Step D, finishing process;
On hide, spray water for the first time, leave standstill afterwards, after water infiltrates hide, then spray water for the second time, then leave standstill, after water infiltrates hide, hide is drawn to supple-settlement, afterwards hide is scalded and cut, obtain the woolen velvet product of the gross density needing.
The preferred embodiment of the present invention is that before selecting to shrink, gross density is that the sheep shorn velvet of 4.5-5/every square centimeter is processed, and finally obtains the woolen velvet product of different gross densities, and concrete technology flow process as described in Figure 2, is below idiographic flow:
Steps A comprises:
Before steps A 01, the contraction of selection after preparatory process, gross density is the sheep shorn velvet contracting plate operation of 4.5-5/every square centimeter; In sheep shorn velvet raw material, gross density is that the raw material of 4.5-5/every square centimeter is commonplace, so adopt this gross density as preferred scheme.
Steps A 02, use roller coating machine, select the roller that model is 8L, shrinking agent is added in roller coating machine, the rotating speed of adjusting the roller of roller coating machine is that the row skin rotating speed of 9-11r/min and roller coating machine is 9-11r/min, by roller coating machine, shrinking agent is coated on the hide of sheep shorn velvet, the amount of the shrinking agent on each hide is 140-180g; Wherein to refer to hanging amount be every square feet of 12-16g/ to the roller of model 8L.
According to the difference of the gross density that will obtain, there are four kinds of different embodiments for steps A 02:
The first embodiment, obtain gross density and be the woolen velvet product of 5/every square centimeter, in steps A 02, only shrinking agent need to be coated to the hide last time.
The second embodiment, obtain gross density and be the woolen velvet product of 5.5-6/every square centimeter, in steps A 02, shrinking agent need to be coated on hide twice.
The third embodiment, obtain gross density and be the woolen velvet product of 6-7/every square centimeter, in steps A 02, shrinking agent need to be coated on hide three times.
The 4th kind of embodiment, obtain gross density and be 7/every square centimeter above woolen velvet product, in steps A 02, shrinking agent need to be coated on hide four times.
Further optimization step A02, the rotating speed of roller is 10-10.5r/min, the row skin speed of roller coating machine is 10-10.5r/min.
Steps A 03, each hide is placed on hide plate, hide plate is upwards put successively, leaves standstill 7-9 hour; Object is that shrinking agent is penetrated in hide effectively, and hide further shrinks.
Hide after contraction enters backwater process B, for step B, has two kinds of embodiments, and the first embodiment is as shown in table 1, and concrete steps are as follows:
Step B comprises:
Step B01, hide is carried out in paddle-tumble machine to backwater processing, use clean-out system HIC to clean hide, the temperature of cleaning is 35 ℃-40 ℃, and scavenging period is 25-35min, and the concentration of clean-out system HIC is 0.3-0.7g/L; Wherein HIC is the one of degreasing class reagent.
Further optimization step B01, scavenging period is 30min, the concentration of clean-out system HIC is 0.5g/L.
Step B02, use formic acid carry out first round pickling to hide, and the temperature of pickling is 18 ℃-22 ℃, and pickling time is 5-15min, and the concentration of formic acid is 0.3-0.7g/L.
Further optimization step B01, pickling time is 30min, the concentration of formic acid is 0.5g/L.
After above-mentioned steps B finishes, can directly enter baking operation step C, in addition, the second embodiment of step B is as shown in table 2, after completing steps B02, further comprising the steps of:
Step B03, hide is carried out to the processing of twice brush chromium, leave standstill afterwards 5-7 hour; The processing of brush chromium is shrinkage temperature and the wash durability in order to improve woolen velvet product, because woolen velvet product there will be shrinkage phenomenon at a certain temperature, and should not adopt washing, affects the quality of product, so adopt the processing of brush chromium.
Further optimization step B03, brush chromium leaves standstill 6 hours after processing.
Step B04, with sulfuric acid in temperature is the water of 18 ℃-25 ℃, hide is carried out to second and takes turns pickling, pickling three times, the concentration of sulfuric acid is 0.3-0.7g/L, each pickling time is 10-20min.
Further optimization step B04, when pickling for the first time, sulfuric acid concentration is 0.5g/L, and when pickling for the second time, sulfuric acid concentration is 0.5g/L, and when pickling for the third time, sulfuric acid concentration is 0.4g/L, and each pickling time is 15min.
Table 1 is the first embodiment of backwater process B
Table 2 is the second embodiments of backwater process B
The specific embodiment of step C is:
Step C01, hide be fixed on toggling dryer to sizing and dry, adjusting the area of hide by adjusting the lattice number of toggling dryer, and then the gross density that the gross density control of hide will be obtained; Because the shrinking agent applying may make the shrinkage of hide larger than the amount that requires to shrink, it is less than the area requiring that the area of the hide after contraction becomes, cause gross density higher than the gross density that will obtain, this just need to toggling dryer by hide to the suitable lattice number of external expansion, after oven dry, meet the requirements of gross density; The distance of each lattice of toggling dryer is 1cm.
Further optimization step C01, on toggling dryer by hide to external expansion 2 lattice.
The specific embodiment of step D is:
Step D01, on hide, spray water for the first time, leave standstill afterwards, after water infiltrates hide, spray water for the second time again, then leave standstill, after water infiltrates hide, hide is drawn to supple-settlement with double-pole staking machine, afterwards hide is scalded and cut, obtain the woolen velvet product of the gross density needing.
After above-mentioned steps A, step B, step C, step D, finally obtain the needed woolen velvet product with higher gross density.
Shrinking agent in the embodiment of the present invention preferably uses strong acid preparation.
To the above-mentioned explanation of the disclosed embodiments, make professional and technical personnel in the field can realize or use the present invention.To be apparent for those skilled in the art to the multiple modification of these embodiment, General Principle as defined herein can, in the situation that not departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a working method for sheep shorn velvet cladding, is characterized in that, comprises the following steps:
A, by the sheep shorn velvet contracting plate operation after preparatory process:
Use roller coating machine, shrinking agent is added in described roller coating machine, by roller coating machine, described shrinking agent is coated on the hide of described sheep shorn velvet, leave standstill afterwards hide.
2. working method according to claim 1, is characterized in that, further comprising the steps of after described steps A:
B, first use clean-out system to clean hide, use afterwards pickling agent to carry out first round pickling to hide;
C, hide is shaped and dried;
D, hide is arranged: once after water spray, leave standstill, after secondary water spray, leave standstill, draw moccasin to open, afterwards hide is scalded and cut.
3. working method according to claim 1, is characterized in that, described steps A comprises:
A01, the sheep shorn velvet contracting plate operation that is 4.5-5/every square centimeter by gross density before the contraction after preparatory process;
A02, using roller coating machine, is that the row skin rotating speed of 9-11r/min and roller coating machine is 9-11r/min by adjusting the rotating speed of roller of described roller coating machine, described shrinking agent is coated on the hide of sheep shorn velvet, and the consumption of shrinking agent on each hide is 140-180g;
Individual hour of A03, standing described hide 7-9.
4. working method according to claim 3, is characterized in that, the coating number of times on the hide that described shrinking agent is coated to sheep shorn velvet in described steps A 02 is for once.
5. working method according to claim 3, is characterized in that, the coating number of times on the hide that described shrinking agent is coated to sheep shorn velvet in described steps A 02 is twice to four times.
6. working method according to claim 2, is characterized in that, described step B comprises:
B01, described hide is carried out in paddle-tumble machine to backwater processing: use HIC to clean described hide, the temperature of cleaning is 35 ℃-40 ℃, and scavenging period is 25-35min;
B02, use formic acid carry out first round pickling to hide, and the temperature of pickling is 18 ℃-22 ℃, and pickling time is 5-15min.
7. working method according to claim 6, is characterized in that, after step B02, also comprises:
B03, described hide is carried out to the processing of twice brush chromium, leave standstill 5-7 hour;
B04, in water, described hide is carried out to second with sulfuric acid and take turns pickling, pickling three times, each pickling time 10-20min.
8. working method according to claim 2, is characterized in that, described step C, for hide being fixed on to sizing and oven dry on toggling dryer, adjusts the area of hide by adjusting the lattice number of toggling dryer.
9. working method according to claim 8, is characterized in that, in the time that coating number of times is one time, the lattice number in described step C is 2 lattice.
10. working method according to claim 1, is characterized in that, described shrinking agent is strong acid preparation.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210416967.9A CN103773909B (en) | 2012-10-25 | 2012-10-25 | A kind of processing method of sheep shearing skin material |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210416967.9A CN103773909B (en) | 2012-10-25 | 2012-10-25 | A kind of processing method of sheep shearing skin material |
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| CN103773909A true CN103773909A (en) | 2014-05-07 |
| CN103773909B CN103773909B (en) | 2017-03-29 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105803832A (en) * | 2014-12-30 | 2016-07-27 | 焦作隆丰皮草企业有限公司 | Method for dyeing leather |
| CN112481428A (en) * | 2020-11-16 | 2021-03-12 | 焦作隆丰皮草企业有限公司 | Clean production method of high-density sheared wool leather for bed carpet |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102720080A (en) * | 2012-06-19 | 2012-10-10 | 北京泛博化学股份有限公司 | Production reagents and production method for shorn sheep skin |
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2012
- 2012-10-25 CN CN201210416967.9A patent/CN103773909B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102720080A (en) * | 2012-06-19 | 2012-10-10 | 北京泛博化学股份有限公司 | Production reagents and production method for shorn sheep skin |
Non-Patent Citations (2)
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| 尹耐冬等: "《中国纺织染料助剂使用指南 2007-2008 》", 30 November 2007 * |
| 徐士弘等: "《毛皮生产的理论与工艺 》", 31 August 1989 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105803832A (en) * | 2014-12-30 | 2016-07-27 | 焦作隆丰皮草企业有限公司 | Method for dyeing leather |
| CN112481428A (en) * | 2020-11-16 | 2021-03-12 | 焦作隆丰皮草企业有限公司 | Clean production method of high-density sheared wool leather for bed carpet |
| CN112481428B (en) * | 2020-11-16 | 2022-05-13 | 焦作隆丰皮草企业有限公司 | Clean production method of high-density sheared wool leather for bed carpet |
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| CN103773909B (en) | 2017-03-29 |
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Effective date of registration: 20230828 Address after: No. 5, Mengzhou Industrial Cluster District, Jiaozuo City, Henan Province, 454750 Patentee after: Longfeng Gelemei Fashion Co.,Ltd. Address before: No. 5, West Industrial Zone, Mengzhou City, Jiaozuo City, Henan Province Patentee before: HENAN PROSPER SKINS & LEATHER ENTERPRISE Co.,Ltd. |