CN113243357A - Method for manufacturing fish specimen fin - Google Patents
Method for manufacturing fish specimen fin Download PDFInfo
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- CN113243357A CN113243357A CN202110384562.0A CN202110384562A CN113243357A CN 113243357 A CN113243357 A CN 113243357A CN 202110384562 A CN202110384562 A CN 202110384562A CN 113243357 A CN113243357 A CN 113243357A
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- 241000251468 Actinopterygii Species 0.000 title claims abstract description 45
- 238000000034 method Methods 0.000 title claims abstract description 35
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 33
- 210000000845 cartilage Anatomy 0.000 claims abstract description 12
- 238000007493 shaping process Methods 0.000 claims abstract description 12
- 239000000463 material Substances 0.000 claims abstract description 8
- 238000009958 sewing Methods 0.000 claims abstract description 6
- 210000000577 adipose tissue Anatomy 0.000 claims abstract description 4
- 210000004690 animal fin Anatomy 0.000 claims description 27
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 26
- 238000005554 pickling Methods 0.000 claims description 23
- 239000007788 liquid Substances 0.000 claims description 21
- 238000003756 stirring Methods 0.000 claims description 19
- 238000006386 neutralization reaction Methods 0.000 claims description 18
- 238000002791 soaking Methods 0.000 claims description 16
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 15
- 239000004816 latex Substances 0.000 claims description 13
- 229920000126 latex Polymers 0.000 claims description 13
- 239000011780 sodium chloride Substances 0.000 claims description 13
- 238000002156 mixing Methods 0.000 claims description 9
- 241000283153 Cetacea Species 0.000 claims description 8
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 claims description 8
- 238000004140 cleaning Methods 0.000 claims description 7
- 239000002253 acid Substances 0.000 claims description 6
- 230000001680 brushing effect Effects 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- 230000020477 pH reduction Effects 0.000 claims description 6
- 238000005498 polishing Methods 0.000 claims description 6
- 238000012545 processing Methods 0.000 claims description 6
- 229920005830 Polyurethane Foam Polymers 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- 239000011496 polyurethane foam Substances 0.000 claims description 5
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 claims description 4
- 229910052921 ammonium sulfate Inorganic materials 0.000 claims description 4
- 235000011130 ammonium sulphate Nutrition 0.000 claims description 4
- -1 sodium chloride-aluminum sulfate-aluminum chloride-aluminum sulfate Chemical compound 0.000 claims description 4
- 239000002131 composite material Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 12
- 230000009467 reduction Effects 0.000 abstract description 6
- 238000011160 research Methods 0.000 abstract description 6
- 238000003860 storage Methods 0.000 abstract description 6
- 230000003472 neutralizing effect Effects 0.000 abstract description 4
- 238000005536 corrosion prevention Methods 0.000 abstract description 2
- 239000000243 solution Substances 0.000 description 21
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 12
- 230000000052 comparative effect Effects 0.000 description 6
- 239000000047 product Substances 0.000 description 6
- 235000017557 sodium bicarbonate Nutrition 0.000 description 6
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 6
- 210000001519 tissue Anatomy 0.000 description 6
- 238000002360 preparation method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 241000251730 Chondrichthyes Species 0.000 description 4
- 238000001035 drying Methods 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 239000008280 blood Substances 0.000 description 3
- 210000004369 blood Anatomy 0.000 description 3
- 239000004519 grease Substances 0.000 description 3
- 230000007935 neutral effect Effects 0.000 description 3
- 235000021110 pickles Nutrition 0.000 description 3
- 108090000623 proteins and genes Proteins 0.000 description 3
- 102000004169 proteins and genes Human genes 0.000 description 3
- 102000008186 Collagen Human genes 0.000 description 2
- 108010035532 Collagen Proteins 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229920001436 collagen Polymers 0.000 description 2
- 238000004040 coloring Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 235000013372 meat Nutrition 0.000 description 2
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 2
- 230000002335 preservative effect Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 1
- 241001125840 Coryphaenidae Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000007605 air drying Methods 0.000 description 1
- 125000003277 amino group Chemical group 0.000 description 1
- 230000002421 anti-septic effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005238 degreasing Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 235000019253 formic acid Nutrition 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 231100000956 nontoxicity Toxicity 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 239000011505 plaster Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 239000003755 preservative agent Substances 0.000 description 1
- 108090000765 processed proteins & peptides Proteins 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N1/00—Preservation of bodies of humans or animals, or parts thereof
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Dentistry (AREA)
- General Health & Medical Sciences (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Treatment And Processing Of Natural Fur Or Leather (AREA)
Abstract
The invention discloses a method for manufacturing fish specimen fins, which comprises the following steps: s1, obtaining a fin prosthesis with a shape similar to that of a fin; s2, removing cartilage and adipose tissues inside the fins to obtain fin skins; s3, acidizing; s4, neutralizing; s5, tanning; and S6, sewing and shaping. The method for manufacturing the fish specimen fins is simple to operate, the used materials are low in cost and easy to purchase, the manufactured fish specimen fins are good in corrosion prevention effect, the specimen is long in storage life, the finished products are attractive, the appearance reduction degree is high, and scientific research values are achieved.
Description
Technical Field
The invention belongs to the technical field of specimen preparation, and particularly relates to a preparation method of fish specimen fins.
Background
The fish stripping specimen is an indispensable teaching aid in biological teaching, and is also mostly used for collection and exhibition in museums and specimen museums. Compared with the soaked specimen, the fish specimen can well show the shape and color of the fish, and has important ornamental and scientific research values.
The fins are the parts of the fish specimen which are easy to be damaged and rotten, but the fin parts are hardly processed in the traditional domestic fish specimen making method, and the fish skin is sleeved on the prosthesis and then is clamped by paper sheets or benzene plates for natural air drying, so that the made specimen has the following problems: firstly, most of the treatment without any treatment or soaking in a liquid medicine or using a preservative can cause that the liquid medicine cannot be completely soaked due to too thick fins, so that the fins cannot achieve a good preservative effect, and the storage life of the specimen is influenced; secondly, because cartilage and some tissues in the fin do not reject, can appear the shrink phenomenon in the air-dry process, lead to the thin part of fin to appear the turn-ups, thick part can be unevenness for the finished product is not pleasing to the eye, also can have the difference in the species reduction degree. The current practice abroad is to cut off and turn over the fish fins, and then mount the turned-over artificial fish fins, although the appearance is more beautiful and vivid, the scientific research value of the specimen is lost. Therefore, a method for manufacturing fish specimen fins is urgently needed to solve the technical problems.
Disclosure of Invention
The invention provides a method for manufacturing fish specimen fins, which aims to solve the problems that the existing fish specimen fins have poor anticorrosion effect, short specimen preservation life, unattractive finished products or high reduction degree of the finished products but lose scientific research value.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the invention provides a method for manufacturing fish specimen fins, which comprises the following steps:
s1, obtaining a fin prosthesis with a shape similar to that of a fin;
s2, removing cartilage and adipose tissues inside the fins to obtain fin skins;
s3, putting the fin skin into an acid pickling solution for acidification;
s4, putting the fin skin into a neutralization solution for neutralization treatment;
s5, putting the fish fin skin into tanning liquid for tanning treatment;
and S6, sewing the tanned fin skin to the fin prosthesis and shaping.
Optionally, the specific operation of step S1 is: the fish fin prosthesis is manufactured by adopting a polyurethane foam material according to the specific form of the fish fin by a ratio of 1: 1.
Optionally, the manufacturing of the fin prosthesis further comprises the following processing operations: brushing white latex on the surface of the fin prosthesis, and then uniformly sticking gauze; after the white latex is solidified, uniformly coating wall-repairing paste on the fin prosthesis; and after the wall repairing paste is cured, polishing and flattening the fin prosthesis, and shaping.
Optionally, the remaining thickness of the fin skin in the step S2 is 1-3 mm.
Optionally, the pickling solution in step S3 is prepared according to the following method: the pH value of the water-soluble sodium chloride is 1-2, wherein 95-105 g of sodium chloride and 32-38 g of citric acid are added into each kilogram of water, and the mixture is stirred, dissolved and uniformly mixed.
Optionally, the specific operation of step S3 is: and (3) putting the fin skin into the pickling solution, wherein the fin skin faces downwards, the soaking time is 2.5-3 hours, and the stirring is carried out once every 0.5 hour.
Optionally, the specific operation of step S4 is: and (3) soaking the fin skin in the neutralization solution for 0.5-1 h to ensure that the pH value after neutralization is 7-8, cleaning the fin skin with clear water, and draining the water.
Optionally, the tanning liquor of step S5 is prepared as follows: the water-soluble sodium chloride-aluminum sulfate-aluminum chloride-aluminum sulfate composite material is prepared by adding 45-55 g of sodium chloride, 23-27 g of ammonium sulfate and 23-27 g of aluminum chloride into water per kilogram, stirring, dissolving and uniformly mixing, wherein the temperature of the water is 21-23 ℃.
Optionally, the specific operation of step S5 is: and (3) soaking the fish fin skin in tanning liquid for 2.5-3 hours, and stirring once every 0.5 hour.
Optionally, the manufacturing method is suitable for manufacturing fins of cartilaginous fish and marine mammal specimens.
Compared with the prior art, the method for manufacturing the fish specimen fin provided by the invention has the advantages that the fin prosthesis is reinforced by the gauze, the toughness of the fin can be effectively enhanced, the conditions that the specimen is damaged due to collision in the display process and the like are avoided, the finished product is kept attractive, tissues such as cartilage, fat and the like in the fin are removed, the tanning treatment is carried out, the anticorrosion effect can be effectively improved, and the storage life of the specimen is prolonged. The preparation method is simple to operate, the adopted materials are low in cost and easy to purchase, and the fish specimen fin prepared by the method is high in reduction degree in appearance and has scientific research value.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects solved by the present invention more apparent, the present invention is further described in detail below 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.
The embodiment of the invention provides a method for manufacturing fish specimen fins, which comprises the following steps:
s1, obtaining a fin prosthesis with a shape similar to that of a fin;
s2, removing cartilage and adipose tissues inside the fins to obtain fin skins;
s3, putting the fin skin into an acid pickling solution for acidification;
s4, putting the fin skin into a neutralization solution for neutralization treatment;
s5, putting the fish fin skin into tanning liquid for tanning treatment;
and S6, sewing the tanned fin skin to the fin prosthesis and shaping.
According to the method for manufacturing the fish specimen fin, cartilage and fat tissues in the fin are removed, the fin skin is processed to be thin, and tanning processing is performed, so that the storage life of the specimen can be effectively prolonged, and the manufactured fish specimen fin is high in reduction degree in appearance and has scientific research value. In addition, the fin prosthesis is reinforced by using gauze, so that the toughness of the fin is effectively enhanced, the conditions of damage and the like caused by collision of the specimen are avoided, and the attractiveness of the finished product is kept.
In some embodiments, the specific operation of step S1 is: the fish fin prosthesis is manufactured by adopting a polyurethane foam material according to the specific form of the fish fin by a ratio of 1: 1.
Specifically, the fin prosthesis can be manufactured by adopting the modes of carving, machining, modeling injection molding, reverse molding and the like.
In a preferred embodiment of the invention, the fabrication of the fin prosthesis further comprises the following processing operations: brushing white latex on the surface of the fin prosthesis, and then uniformly sticking gauze; after the white latex is solidified, uniformly coating wall-repairing paste on the fin prosthesis; and after the wall repairing paste is cured, polishing and flattening the fin prosthesis, and shaping.
The white latex and the wall-repairing paste can be obtained commercially.
The gauze is utilized to reinforce the fish fin prosthesis, so that the toughness of the fish fin can be increased, the fish fin of the prepared fish specimen is very firm and is not easy to collide and damage, and the attractiveness of the specimen fish fin can be kept.
In a preferred embodiment, the number of the attached layers of the gauze is 1-2.
In some embodiments, iron or wire or steel wire is inserted into the fin prosthesis for support.
The wall plaster is coated on the fin prosthesis, so that the erosion of the adhesive on the fin skin to the fin prosthesis can be well isolated, and the storage life of the specimen is longer.
In some embodiments, the remaining thickness of the fin skin in step S2 is 1-3 mm.
If the reserved thickness is too low, the processing difficulty is higher, and the fin skin structure can be damaged, so that the display effect is influenced; if the reserved thickness is too high, the treatment liquid in the subsequent link is difficult to soak, and particularly the tanning process of the tanning liquid is influenced, and the anti-corrosion effect is influenced.
In some embodiments, the step S3 pickle liquor is formulated as follows: the pH value of the water-soluble sodium chloride is 1-2, wherein 95-105 g of sodium chloride and 32-38 g of citric acid are added into each kilogram of water, and the mixture is stirred, dissolved and uniformly mixed.
The pickling solution can also be prepared by adopting other acids, and the pH value is controlled to be 1-2. For example, formic acid, acetic acid and the like are frequently used as the acid.
Before pickling, care should be taken to clean the blood on the skin of the fish fins to control the pH.
The purpose of pickling is to promote more thorough degreasing and prepare for the subsequent tanning process, because the residue of grease can seriously affect the later tanning effect, and the pickling can further remove the non-tannable protein in the fish fin skin. The pickling liquid used in the method is a mixture of sodium chloride and acid, and the pickling liquid can break natural adhesion between proteins, dissolve soluble proteins in the fibers of the fish fin skin and make full early-stage preparation for the permeation of subsequent tanning liquid. Meanwhile, the pickling process can open hydrogen bonds and ionic bonds among collagen peptide chains, loosen the collagen structure and promote the permeation of tanning liquid.
In a preferred embodiment of the invention, the step S3 of acidifying comprises the specific steps of putting the skin of the fish fin into a pickling solution, wherein the surface of the skin of the fish fin faces downwards, the soaking time is 2.5-3 h, and the stirring is carried out once every 0.5 h.
If the pickling time is too short, the acidification treatment effect of the fin skin cannot be achieved; if the pickling time is too long, the fin skin will shrink significantly and wrinkles will appear.
In some embodiments, when the step S3 pickling and acidification is performed, the skin of the fish fin is repeatedly scraped by a tanning knife or a shaving machine during pickling to remove excess grease and meat layer, so that the excess grease and meat layer becomes thinner, the pickling solution can better infiltrate into the fish fin, and the subsequent tanning effect is also facilitated.
In the embodiment of the invention, the neutralizing treatment in the step S4 specifically comprises the steps of soaking the fish fin skin in a neutralizing solution for 0.5-1 h to ensure that the pH value after neutralization is 7-8, cleaning the fish fin skin with clear water, and draining the water.
In particular, the neutral solution is selected from sodium bicarbonate solution.
More specifically, the neutral solution is prepared by adding 8-12 g of sodium bicarbonate into each kilogram of water, stirring, dissolving and uniformly mixing.
Different tanning liquors have different requirements on the initial pH of tanning, whereas the tanning liquor formulation of the present invention requires that the initial pH of tanning is optimally around neutral. Therefore, after the acidification step, the optimal tanning effect can be achieved only by neutralizing the pelts to the pH value of 7-8. If the pickled fish fin skin is directly tanned, the acidity is too strong, and a plurality of problems are easily caused, such as unsatisfactory tanning effect of the tanning liquid at the later stage, easy occurrence of skin shedding and the like.
In the examples of the present invention, the tanning liquor was formulated as follows: the water-soluble sodium chloride-aluminum sulfate-aluminum chloride-aluminum sulfate composite material is prepared by adding 45-55 g of sodium chloride, 23-27 g of ammonium sulfate and 23-27 g of aluminum chloride into water per kilogram, stirring, dissolving and uniformly mixing, wherein the temperature of the water is 21-23 ℃.
In some embodiments, the specific operations of step S5 tanning are: and (3) soaking the fish fin skin in tanning liquid for 2.5-3 hours, and stirring once every 0.5 hour.
The tanning step is one of the main processes of the manufacturing method, the previous steps such as inner cartilage and fat tissue removal, pickling and neutralization are all prepared for tanning of the fin skin, and the purpose is to enable tanning liquid to fully permeate into the fin skin and act with amino groups of fin skin fibers, so that the fin skin becomes good in tensile property, not easy to deform, high in binding fastness and good in corrosion prevention effect.
In a preferred embodiment of the invention, the manufacturing method is suitable for manufacturing fins of cartilaginous fish and marine mammal specimens.
The preparation method of the fish specimen fish fin provided by the invention is simple to operate, the used materials are low in cost and easy to purchase, and the prepared specimen has no toxicity or peculiar smell, has long storage life, and is particularly suitable for processing the fish fin of cartilage fishes such as sharks and the like, and marine mammals such as whales, dolphins and the like.
The present invention will be further illustrated by the following examples.
Example 1
This embodiment is used to explain the method for manufacturing a fish specimen fin disclosed in the present invention, and includes the following steps:
s1, carving the shark fin prosthesis by adopting a polyurethane foam material according to the specific form of the shark fin, namely the ratio of 1: 1;
wherein further comprising the operations of: brushing white latex on the surface of the fin prosthesis, and then uniformly sticking 2 layers of gauze; after the white latex is solidified, uniformly coating wall-repairing paste on the fin prosthesis; and after the wall repairing paste is cured, polishing and flattening the fin prosthesis, and shaping.
S2, cutting the shark fins from the bottom, removing internal tissues such as cartilage and fat and the like to obtain fin skins, wherein the remaining thickness of the fin skins is 1-3 mm, cleaning blood and other dirt on the fin skins, and draining off excessive water;
s3, putting the fin skin into the pickling solution, wherein the fin skin faces downwards, the soaking time is 3 hours, and the stirring is carried out once every 0.5 hour;
the formula of the pickle liquor is as follows: the water-soluble salt is prepared by adding 100g of sodium chloride and 35g of citric acid into per kilogram of water, stirring, dissolving and uniformly mixing.
S4, soaking the fin skin in the neutralization solution for 0.5h to ensure that the pH value after neutralization is 7-8, cleaning the fin skin with clear water, and draining;
wherein, the formula of the neutralization solution is as follows: the water-soluble sodium bicarbonate is prepared by adding 10g of sodium bicarbonate into per kilogram of water, stirring, dissolving and uniformly mixing.
S5, soaking the fin skin in tanning liquid for 3 hours, and stirring once every 0.5 hour;
wherein, the formula of the tanning liquid is as follows: the agent is prepared by adding 50g of sodium chloride, 25g of ammonium sulfate and 25g of aluminum chloride into each kilogram of water, stirring, dissolving and uniformly mixing, wherein the temperature of the water is 22 ℃.
And S6, sewing the tanned fin skin to the fin prosthesis, shaping, coloring and naturally drying.
Example 2
This embodiment is used to explain the method for manufacturing a fish specimen fin disclosed in the present invention, and includes the following steps:
s1, carving the whale fin prosthesis by adopting a polyurethane foam material according to the specific form of the whale fin, namely the ratio of 1: 1;
wherein further comprising the operations of: brushing white latex on the surface of the fin prosthesis, and then uniformly sticking 1 layer of gauze; after the white latex is solidified, uniformly coating wall-repairing paste on the fin prosthesis; and after the wall repairing paste is cured, polishing and flattening the fin prosthesis, and shaping.
S2, cutting open the whale fins from the bottom, removing tissues such as internal cartilage and fat and the like to obtain fin skins, wherein the remaining thickness of the fin skins is 1-3 mm, cleaning blood and other dirt on the fin skins, and draining off excessive water;
s3, putting the fin skin into the pickling solution, wherein the fin skin faces downwards, the soaking time is 2.5 hours, and the stirring is carried out once every 0.5 hour;
the formula of the pickle liquor is as follows: the water-soluble salt is prepared by adding 100g of sodium chloride and 35g of citric acid into per kilogram of water, stirring, dissolving and uniformly mixing.
S4, soaking the fin skin in the neutralization solution for 0.7h to ensure that the pH value after neutralization is 7-8, cleaning the fin skin with clear water, and draining;
wherein, the formula of the neutralization solution is as follows: the water-soluble sodium bicarbonate is prepared by adding 10g of sodium bicarbonate into per kilogram of water, stirring, dissolving and uniformly mixing.
S5, soaking the fin skin in tanning liquid for 2.5 hours, and stirring once every 0.5 hour;
wherein, the formula of the tanning liquid is as follows: the water-soluble sodium chloride-aluminum sulfate-aluminum chloride-aluminum chloride-aluminum chloride-aluminum-magnesium chloride-aluminum-magnesium-aluminum-magnesium chloride-magnesium-aluminum-magnesium-aluminum-.
And S6, sewing the tanned fin skin to the fin prosthesis, shaping, coloring and naturally drying.
Comparative example 1
This comparative example is used for comparative illustration of the method for manufacturing fish specimen fins disclosed in the present invention, which includes most of the steps as in example 1, except that: omitting the step S1 of brushing white latex on the surface of the fin prosthesis and then uniformly pasting 2 layers of gauze; after the white latex is solidified, uniformly coating wall-repairing paste on the fin prosthesis; and after the wall repairing paste is cured, polishing and flattening the fin prosthesis, and performing shaping treatment.
Comparative example 2
This comparative example is used for comparative illustration of the method for manufacturing fish specimen fins disclosed in the present invention, which includes most of the steps as in example 1, except that: in the step S2, the remaining thickness of the fin skin is 6-10 mm.
Tests show that the fish specimen fin part manufactured by the method provided by the invention is not easy to collide and damage, has good antiseptic effect, high degree of reduction on appearance and attractive finished product, can be stored for a long time, and can be preserved for more than 80 years by proper regular maintenance (mainly ventilation and drying).
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A method for manufacturing a fish specimen fin is characterized by comprising the following steps:
s1, obtaining a fin prosthesis with a shape similar to that of a fin;
s2, removing cartilage and adipose tissues inside the fins to obtain fin skins;
s3, putting the fin skin into an acid pickling solution for acidification;
s4, putting the fin skin into a neutralization solution for neutralization treatment;
s5, putting the fish fin skin into tanning liquid for tanning treatment;
and S6, sewing the tanned fin skin to the fin prosthesis and shaping.
2. The method for manufacturing a fish specimen fin as claimed in claim 1, wherein the specific operations of the step S1 are as follows:
the fish fin prosthesis is manufactured by adopting a polyurethane foam material according to the specific form of the fish fin by a ratio of 1: 1.
3. The method for manufacturing the fish specimen fin as claimed in claim 2, wherein the manufacturing of the fin prosthesis further comprises the following processing operations:
brushing white latex on the surface of the fin prosthesis, and then uniformly sticking gauze;
after the white latex is solidified, uniformly coating wall-repairing paste on the fin prosthesis;
and after the wall repairing paste is cured, polishing and flattening the fin prosthesis, and shaping.
4. The method for manufacturing a fish specimen fin according to claim 1, wherein the remaining thickness of the fin skin in the step S2 is 1-3 mm.
5. The method for manufacturing the fish specimen fin as claimed in claim 1, wherein the pickling solution of step S3 is prepared as follows:
the pH value of the water-soluble sodium chloride is 1-2, wherein 95-105 g of sodium chloride and 32-38 g of citric acid are added into each kilogram of water, and the mixture is stirred, dissolved and uniformly mixed.
6. The method for manufacturing a fish specimen fin as claimed in claim 1, wherein the specific operations of the step S3 are as follows:
and (3) putting the fin skin into the pickling solution, wherein the fin skin faces downwards, the soaking time is 2.5-3 hours, and the stirring is carried out once every 0.5 hour.
7. The method for manufacturing a fish specimen fin as claimed in claim 1, wherein the specific operations of the step S4 are as follows:
and (3) soaking the fin skin in the neutralization solution for 0.5-1 h to ensure that the pH value after neutralization is 7-8, cleaning the fin skin with clear water, and draining the water.
8. The method for manufacturing a fish specimen fin as claimed in claim 1, wherein the tanning liquid of step S5 is prepared as follows:
the water-soluble sodium chloride-aluminum sulfate-aluminum chloride-aluminum sulfate composite material is prepared by adding 45-55 g of sodium chloride, 23-27 g of ammonium sulfate and 23-27 g of aluminum chloride into water per kilogram, stirring, dissolving and uniformly mixing, wherein the temperature of the water is 21-23 ℃.
9. The method for manufacturing a fish specimen fin as claimed in claim 1, wherein the specific operations of the step S5 are as follows:
and (3) soaking the fish fin skin in tanning liquid for 2.5-3 hours, and stirring once every 0.5 hour.
10. The method for manufacturing a fish specimen fin according to claim 1, wherein the method is suitable for manufacturing a fin for cartilage fish and marine mammal specimens.
Priority Applications (1)
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| CN103243184A (en) * | 2013-05-30 | 2013-08-14 | 上海海洋大学 | Method for degreasing hides of large marine mammals |
| CN110211469A (en) * | 2019-05-23 | 2019-09-06 | 大连鸿峰生物科技有限公司 | The production method that androgynous vertebrate is split as the independent sample of two pieces or so complementation |
| CN111919833A (en) * | 2020-08-13 | 2020-11-13 | 大连鸿峰生物科技有限公司 | Whale dolphin tail fin specimen manufacturing method and device |
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| CN103243184A (en) * | 2013-05-30 | 2013-08-14 | 上海海洋大学 | Method for degreasing hides of large marine mammals |
| CN110211469A (en) * | 2019-05-23 | 2019-09-06 | 大连鸿峰生物科技有限公司 | The production method that androgynous vertebrate is split as the independent sample of two pieces or so complementation |
| CN111919833A (en) * | 2020-08-13 | 2020-11-13 | 大连鸿峰生物科技有限公司 | Whale dolphin tail fin specimen manufacturing method and device |
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