CN111213632B - Method for preparing animal medicine epoxy resin specimen - Google Patents
Method for preparing animal medicine epoxy resin specimen Download PDFInfo
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- CN111213632B CN111213632B CN201911130794.2A CN201911130794A CN111213632B CN 111213632 B CN111213632 B CN 111213632B CN 201911130794 A CN201911130794 A CN 201911130794A CN 111213632 B CN111213632 B CN 111213632B
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- epoxy resin
- closed container
- animal medicine
- glue
- specimen
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- 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
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/36—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for zoology
Abstract
The invention discloses a method for manufacturing an animal medicine epoxy resin specimen, which comprises the following steps: s1) pretreatment: soaking animal medicine in solution containing antiseptic and catalyst for more than 24 hr, taking out, and drying in oven at 40-60 deg.C for 3-5 hr; s2) glue injection: mixing epoxy resin and an epoxy resin curing agent in proportion to form epoxy resin glue, and pouring the epoxy resin glue into the mold; s3) demolding: taking out the solidified animal medicine specimen, and polishing the top surface and the edge into a mirror surface by using a polishing machine to obtain a finished product. The method for manufacturing the animal medicine epoxy resin specimen solves the problem that the internal grease of the animal medicine can not be subjected to hydrogenation treatment in the prior art, and greatly reduces the oil immersion phenomenon of the specimen and the color change of the specimen.
Description
Technical Field
The invention relates to a preparation technology of traditional Chinese medicine specimens, in particular to a preparation method of an epoxy resin specimen of an animal medicine with high grease content.
Background
At present, Chinese medicinal material specimens are often required to be displayed to students in the teaching process of traditional Chinese medicine and traditional Chinese pharmacology in the university of traditional Chinese medicine, the main storage method is to place the specimens in ground glass specimen bottles, the problems of bottle body breakage, dampness, mildew, worm damage and the like are easy to occur if the specimens are placed in ground glass specimen bottles, and particularly some precious medicinal material specimens are not easy to collect and supplement, so that troubles are brought to the storage and maintenance of the specimens.
Because some animal traditional Chinese medicines contain more grease, the grease diffusion will cause the phenomenon of oil immersion when being stored for a long time, thereby causing the animal with rich body surface color to change color.
The Chinese patent application with the application number of 2018107223827 discloses a method for manufacturing a permanent specimen of a medicinal plant epoxy resin, which uses the epoxy resin to manufacture a specimen of a Chinese medicinal material, and is firm and resistant to falling. However, the epoxy resin specimen manufactured by the method is easy to generate bubbles, and the method still has difficulty in solving the problems of specimen fixation, oil immersion, specimen discoloration and the like.
Disclosure of Invention
In view of the above, it is an object of the present invention to provide a method for preparing a specimen of an animal-derived epoxy resin, which can minimize the generation of bubbles and reduce the occurrence of oil-impregnated phenomenon.
The invention solves the technical problems by the following technical means:
the invention relates to a method for manufacturing an animal medicine epoxy resin specimen, which comprises the following steps:
s1) pretreatment: soaking animal medicine in solution containing antiseptic and catalyst for more than 24 hr, taking out, and drying in oven at 40-60 deg.C for 3-5 hr; putting the dried animal medicine into a closed container, pumping air in the closed container through an air pump to form negative pressure, and simultaneously adding hydrogen into the closed container; stopping vacuumizing by an air pump, and feeding high-pressure hydrogen into the closed container instead, wherein the pressure of the pressurized hydrogen is 0.2-0.5 MPa, and keeping the pressure for 3-4 h; after hydrogenation is finished, the processed animal medicine is placed into a mold, the mold is placed into a closed container, and air in the closed container is pumped by an air pump to form negative pressure;
s2) glue injection: mixing epoxy resin and an epoxy resin curing agent in proportion to form epoxy resin glue, and pouring the epoxy resin glue into the mold until the liquid surface of the top layer is convex; maintaining a negative pressure environment in the closed container and the mold in the glue pouring process, emptying the closed container after the glue pouring process, pressurizing the closed container through an air pump after emptying, finally emptying again, heating the closed container to 35-45 ℃, preserving heat for 2-4h, and finally placing the closed container at normal temperature and continuously drying for 20-24 h;
s3) demolding: taking out the solidified animal medicine specimen, and polishing the top surface and the edge into a mirror surface by using a polishing machine to obtain a finished product.
Preferably, the method for preparing the epoxy resin glue in step S2 is as follows: blending epoxy resin and an epoxy resin curing agent according to the weight ratio of 3:1, slowly stirring clockwise with a glass rod at a constant speed until a glue solution is clear, and placing the glue solution in an ultrasonic cleaning machine for ultrasonic treatment to remove bubbles.
Preferably, the catalyst in step S1 is nickel nanopowder.
Preferably, the weight of the catalyst added to the solution in step S1 is 0.09-0.1% of the weight of the solution.
In view of the above, another object of the present invention is to provide a specimen preparation apparatus used in a method for preparing an epoxy resin specimen for an animal drug, wherein the specimen preparation apparatus is characterized in that bubbles in the specimen can be reduced to the maximum extent and the position of the drug in the mold can be conveniently fixed.
The invention solves the technical problems by the following technical means:
the invention relates to specimen manufacturing equipment, which comprises a mold, a closed container and an air pump, wherein the air pump is communicated with the closed container through an air pipe, the top of the closed container is provided with an openable sealing cover, the mold is arranged in the closed container, the mold comprises a lower mold, an ejector plate and ejector pins, the top of the lower mold is provided with a plurality of grooves, the ejector plate is positioned below the lower mold, the ejector pins are arranged on the ejector plate, the ejector pins are vertically arranged on the ejector plate, at least 3 ejector pins are arranged on the ejector plate below each groove, a through hole is respectively arranged at the bottom of each groove at the position corresponding to each ejector pin, and the ejector pins are inserted into the through holes; the electromagnetic telescopic cylinder is connected with the ejector plate and used for driving the ejector plate to move up and down; when the ejector pin plate moves towards the lower die, the ejector pins can extend into the middle of the groove from the through holes.
Preferably, the closed container is further internally provided with a heating device and a glue injection device, the glue injection device comprises an X-axis driving mechanism, a Y-axis driving mechanism, a glue injection nozzle, a hopper for containing glue, an operating handle and a controller, the X-axis driving mechanism comprises a motor A, a lead screw A and a slider A, the Y-axis driving mechanism comprises a motor B, a lead screw B and a slider B, the motor A is fixed on the inner side plate surface of the sealing cover and is in transmission connection with the lead screw A, the slider A is arranged on the lead screw A and is in threaded fit with the lead screw A, the motor B is fixedly arranged on the slider A, the motor B is in transmission connection with the lead screw B, the slider B is arranged on the lead screw B and is in threaded fit with the lead screw B, the glue injection nozzle is fixedly arranged on the slider B, the glue injection nozzle is communicated with the hopper through a pipeline, and the pipeline is provided with an electromagnetic valve, the controller is respectively connected with the electromagnetic telescopic cylinder, the operating handle, the air pump, the electromagnetic valve, the motor A and the motor B through circuits.
Preferably, the sealing cover is made of transparent material, and one side of the sealing cover is hinged with one side edge of the top of the closed container.
Preferably, the lower edge of the sealing cover is provided with a flexible sealing strip.
Preferably, an ultrasonic generator is arranged on the outer side wall of the hopper and is connected with the controller through a circuit, the hopper is arranged on the outer side of the closed container, and the height of the bottom of the hopper is greater than that of the top end of the closed container.
The invention has the beneficial effects that:
1) according to the method for manufacturing the animal medicine epoxy resin specimen, the catalyst can be immersed into the animal medicine by adopting a special pretreatment technology, so that the problem that the grease in the animal medicine cannot be subjected to hydrogenation treatment in the past is solved, and the oil immersion phenomenon of the specimen and the color change problem of the specimen are greatly reduced;
2) according to the method for manufacturing the animal medicine epoxy resin specimen, the variable-pressure glue injection mode is adopted, so that the glue can be fully immersed into the surface of the medicinal material, even the glue can be completely filled into the specimen, bubbles are not released in the subsequent manufacturing process, and the finished product is clearer and free of bubbles; the glue can further block the diffusion of grease when entering the abdomen of the medicinal materials, so that the medicinal materials are prevented from discoloring.
3) The specimen manufactured by the method for manufacturing the animal medicine epoxy resin specimen can be used for displaying single traditional Chinese medicine medicinal materials, and can also be used for displaying prescription medicinal materials, displaying multiple specimen prescriptions, displaying true and false products and comparing different grades and specifications, so that the application is more comprehensive, and the display is more three-dimensional and visual.
4) By adopting the specimen preparation equipment, when the mixed glue is prepared, the ultrasonic cleaning machine is used for ultrasonic treatment, so that the bubbles can be removed more thoroughly, and the bubbles are not easy to remain in the finished product.
5) The specimen making equipment of the invention can conveniently make the specimen in the middle of the product, and ensure the product to be more beautiful.
Drawings
The invention is further described below with reference to the figures and examples.
FIG. 1 is a schematic perspective view of a specimen preparation apparatus according to the present invention;
FIG. 2 is a schematic perspective view of the specimen preparation apparatus of the present invention, in which a sealing lid of a closed vessel is in an open state;
FIG. 3 is a schematic structural view of the specimen preparation apparatus of the present invention, in which the top end of the thimble is flush with the bottom surface of the groove;
FIG. 4 is a schematic structural view of the specimen preparation apparatus of the present invention, in which the tip of the thimble protrudes into the middle of the groove.
Detailed Description
The invention will be described in detail below with reference to the following drawings:
example 1 preparation method of animal medicine epoxy resin specimen
The method for manufacturing the animal medicine epoxy resin specimen in the embodiment comprises the following steps:
s1) pretreatment: soaking animal medicine in a solution containing antiseptic and catalyst for 1-2 days, preferably, the catalyst can be nickel nanopowder, and the weight of the catalyst added in the solution is 0.09% of the weight of the solution; the preservative may be formaldehyde; taking out the soaked animal medicine, and drying in an oven at 50 deg.C for 4 h; putting the dried animal medicine into a closed container, pumping air in the closed container through an air pump to form negative pressure, and simultaneously adding a small amount of hydrogen into the closed container, wherein the aim of the operation is to replace the air in the closed container by the hydrogen; after 10-20 minutes, the air pump stops vacuumizing, high-pressure hydrogen is fed into the closed container instead, the pressure of the pressurized hydrogen is 0.3MPa, and the pressure is maintained for 3 hours; after hydrogenation is finished, the processed animal medicine is placed into a mold, the mold is placed into a closed container, and air in the closed container is pumped by an air pump to form negative pressure;
s2) glue injection: mixing epoxy resin and an epoxy resin curing agent in proportion to form epoxy resin glue, and pouring the epoxy resin glue into the mold until the liquid surface of the top layer is convex; maintaining a negative pressure environment in a closed container and a mould in the glue pouring process, wherein the internal pressure of the closed container is emphasized to 0.08MPa, the temperature in the closed container is 40 ℃, and the treatment is carried out for 10 min; after pouring the glue, emptying the sealed container, pressurizing the sealed container through an air pump after emptying, finally emptying again, heating the sealed container at 40 ℃, preserving heat for 3 hours, and finally placing the sealed container at normal temperature and continuously drying for 24 hours; the method for preparing the epoxy resin glue comprises the following steps: blending epoxy resin and an epoxy resin curing agent according to the weight ratio of 3:1, slowly stirring clockwise with a glass rod at a constant speed until a glue solution is clear, and placing the glue solution in an ultrasonic cleaning machine for ultrasonic treatment for 15min to remove bubbles;
s3) demolding: taking out the solidified animal medicine specimen, and polishing the top surface and the edge into a mirror surface by using a polishing machine to obtain a finished product.
According to the method for manufacturing the animal medicine epoxy resin specimen, the animal medicine is pretreated in vacuum, and then the vacuum glue injection mode is adopted, so that the glue can be fully immersed into the surface of the medicinal material, even the glue can be completely filled into the specimen, bubbles are not released in the subsequent manufacturing process, and the finished product is clearer and free of bubbles; the glue can also block the diffusion of grease when entering the abdomen of the medicinal materials, so that the medicinal materials are prevented from discoloring.
EXAMPLE 2 specimen preparation apparatus
As shown in fig. 1-4, the specimen preparation apparatus in this embodiment includes a mold 1, a closed container 2, and an air pump 3, the air pump is communicated with the closed container through an air pipe, a sealing cover 4 capable of being opened is disposed on the top of the closed container, the mold is disposed in the closed container, the mold 1 includes a lower mold 1a having a plurality of grooves 1b on the top, an ejector plate 1c located below the lower mold, and ejector pins 1d disposed on the ejector plate, the ejector pins 1d are vertically disposed on the ejector plate 1c, at least 3 ejector pins are disposed on the ejector plate below each groove, a through hole 1e is disposed at the bottom of each groove at a position corresponding to each ejector pin, and the ejector pins are inserted into the through holes; the electromagnetic telescopic cylinder 5 is connected with the ejector plate and used for driving the ejector plate to move up and down; when the ejector pin plate moves towards the lower die, the ejector pins can extend into the middle of the groove from the through holes.
The working principle of the specimen preparation equipment of the invention is as follows: after placing animal medicine 19 in the mould, promote the thimble board upward movement through the electromagnetism telescoping cylinder for the thimble will animal medicine jack-up the middle part of mould recess, through sealed airtight container of lid, through the pressure in the air pump adjustment airtight container, after the injecting glue, when glue is not solidified completely yet, through electromagnetism telescoping cylinder pulling thimble board downstream, animal medicine 19 will stay at the middle part of glue this moment, treat that glue solidifies the back completely, accomplish the preparation of sample.
As a further improvement of the above technical scheme, the inside of the closed container is further provided with a heating device 6 and a glue injection device, the glue injection device comprises an X-axis driving mechanism, a Y-axis driving mechanism, a glue injection nozzle 7, a hopper 8 for containing glue, an operating handle 9 and a controller, the X-axis driving mechanism comprises a motor a10, a lead screw a11 and a slider a12, the Y-axis driving mechanism comprises a motor B13, a lead screw B14 and a slider B15, the motor a10 is fixed on the inner side plate surface of the sealing cover, the motor a10 is in transmission connection with the lead screw a11, the slider a is arranged on the lead screw a and in threaded fit with the lead screw a, the motor B is fixedly arranged on the slider a, the motor B is in transmission connection with the lead screw B, the slider B is arranged on the lead screw B and in threaded fit with the lead screw B, the glue injection nozzle is fixedly arranged on the slider B, and the glue injection nozzle is communicated with the hopper through a glue injection pipeline, the pipeline 16 is provided with an electromagnetic valve 17, and the controller is respectively connected with the electromagnetic telescopic cylinder 5, the operating handle, the air pump, the electromagnetic valve, the motor A and the motor B through circuits. Set up the benefit of injecting glue device and lie in: the glue injection work can be realized when the closed container is in a closed state.
As a further improvement of the technical proposal, the sealing cover is made of transparent material, and one side of the sealing cover is hinged with one side edge of the top of the closed container. When the glue injection device works, the position of the glue injection nozzle can be directly observed through the sealing cover, a camera does not need to be arranged in the closed container, and the manufacturing cost of the device is saved.
As a further improvement of the technical scheme, the lower edge of the sealing cover is provided with an elastic sealing strip. The sealing strip is used for enhancing the sealing performance of the closed container.
As a further improvement of the technical scheme, an ultrasonic generator 18 is arranged on the outer side wall of the hopper and is in circuit connection with the controller, the hopper is arranged on the outer side of the closed container, and the height of the bottom of the hopper is greater than that of the top end of the closed container. The bubbles in the glue can be significantly reduced by arranging the ultrasonic generator.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (3)
1. The method for manufacturing the animal medicine epoxy resin specimen is characterized by comprising the following steps of:
s1) pretreatment: soaking animal medicine in a solution containing antiseptic and catalyst for more than 24 hr, taking out the soaked animal medicine, and drying in oven at 40-60 deg.C for 3-5 hr; putting the dried animal medicine into a closed container, pumping air in the closed container through an air pump to form negative pressure, and simultaneously adding hydrogen into the closed container; stopping vacuumizing by an air pump, and feeding high-pressure hydrogen into the closed container instead, wherein the pressure of the pressurized hydrogen is 0.2-0.5 MPa, and keeping the pressure for 3-4 h; after hydrogenation is finished, the processed animal medicine is placed into a mold, the mold is placed into a closed container, and air in the closed container is pumped by an air pump to form negative pressure;
s2) glue injection: mixing epoxy resin and an epoxy resin curing agent in proportion to form epoxy resin glue, and pouring the epoxy resin glue into the mold until the liquid surface of the top layer is convex; maintaining a negative pressure environment in the closed container and the mold in the glue pouring process, emptying the closed container after the glue pouring process, pressurizing the closed container through an air pump after emptying, finally emptying again, heating the closed container to 35-45 ℃, preserving heat for 2-4h, and finally placing the closed container at normal temperature and continuously drying for 20-24 h;
s3) demolding: taking out the solidified animal medicine specimen, and polishing the top surface and the edge into a mirror surface by using a polishing machine to obtain a finished product.
2. The method for preparing an animal medicine epoxy resin specimen according to claim 1, characterized in that: the method for blending the epoxy resin glue in the step S2 is as follows: blending epoxy resin and an epoxy resin curing agent according to the weight ratio of 3:1, slowly stirring clockwise with a glass rod at a constant speed until a glue solution is clear, and placing the glue solution in an ultrasonic cleaning machine for ultrasonic treatment to remove bubbles.
3. The method for preparing an animal medicine epoxy resin specimen according to claim 2, characterized in that: the weight of the catalyst added into the solution in the step S1 is 0.09-0.1% of the weight of the solution.
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| CN201911130794.2A CN111213632B (en) | 2019-11-19 | 2019-11-19 | Method for preparing animal medicine epoxy resin specimen |
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| CN114467912A (en) * | 2021-04-26 | 2022-05-13 | 河南有道展览科技有限公司 | Resin high polymer material and silica gel simulation animal and plant model |
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Inventor after: Lin Zhe Inventor after: Guo Kun Inventor after: Jiang Dacheng Inventor after: Sun Yunlong Inventor after: Lin He Inventor before: Lin Zhe Inventor before: Jiang Dacheng Inventor before: Sun Yunlong Inventor before: Lin He |