CN110789266A - Simulation epidermis and preparation method and application thereof - Google Patents
Simulation epidermis and preparation method and application thereof Download PDFInfo
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- CN110789266A CN110789266A CN201810862933.XA CN201810862933A CN110789266A CN 110789266 A CN110789266 A CN 110789266A CN 201810862933 A CN201810862933 A CN 201810862933A CN 110789266 A CN110789266 A CN 110789266A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
- B44C5/00—Processes for producing special ornamental bodies
- B44C5/06—Natural ornaments; Imitations thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
- B29C39/02—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor for making articles of definite length, i.e. discrete articles
- B29C39/10—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor for making articles of definite length, i.e. discrete articles incorporating preformed parts or layers, e.g. casting around inserts or for coating articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
- B29C39/22—Component parts, details or accessories; Auxiliary operations
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Abstract
The invention relates to a simulated epidermis and a preparation method and application thereof. A preparation method of the simulated epidermis comprises the following steps: manufacturing a built-in supporting shell according to the three-dimensional data of the simulation object; coating an oil sludge layer on the built-in supporting shell; carving the structural characteristics of the simulation object on the oil sludge layer to obtain an intermediate; coating gypsum slurry on the surface of the intermediate to obtain a gypsum layer, and removing the intermediate to obtain a simulation skin mould with a hollow structure; placing the built-in support shell in a hollow structure of the simulated skin mold, and enabling a gap to be formed between the built-in support shell and the simulated skin mold; pouring silica gel into a gap between the built-in support shell and the simulated skin mould and curing to obtain a simulated skin silica gel part; and coloring the silica gel part with the simulated skin to obtain the simulated skin, wherein the simulated skin prepared by the preparation method has higher similarity and simple preparation process.
Description
Technical Field
The invention relates to the technical field of model preparation, in particular to a simulated epidermis and a preparation method and application thereof.
Background
The scope of the skin making and purpose and the super-realistic meaning of the simulated robot character are consistent with each other, so that it is important to make an all-round understanding of the super-realistic meaning at the beginning of the research, the super-realistic meaning is also called super-realistic meaning, new realistic meaning and photo-realistic meaning, 1970 comes from and is prosperous in the united states, and is gradually popular in the western world in the late twentieth century and sixty years thereafter. The superrealistic advocates that the elements of art are "realistic" and "faithful", and that a purely objective and realistic representation of reality must be achieved. The statue is as big as the real person, the color of the skin is coated, and the clothes and the props are worn, so that the statue is extremely vivid. And more choices and higher requirements are also made on the aspects of durability and simulation degree of materials. The super realistic sculpture not only closely and effectively combines science and technology with art in the aspects of material selection and use, process scheme, surface texture treatment and the like. Moreover, in the world, in China, the United states, Japan and other countries, the robot technology and the human-like sculpture art are being combined, which will generate revolutionary breakthrough in both modern science and technology and modern art. It embodies more the artistic development characteristics of the new technology age. The modern artistic conception is extended. Super-realistic sculpture art is silently and rapidly entering various museums and exhibitions as a vivid exhibition and display means. The super realistic sculpture is one of the breakthrough points of modern display design development by means of the super characteristic and extraordinary charm of the technology and the art. However, the skin manufacturing process of the current simulated robot character is complex, and the similarity degree still far cannot meet the requirements of the super-realistic sense.
Disclosure of Invention
Therefore, the preparation method of the simulated epidermis with simple preparation process is needed, and the simulated epidermis prepared by the method has higher similarity and can meet the requirement of the superrealistic sense.
In addition, the simulated epidermis prepared by the preparation method of the simulated epidermis and the application thereof are also provided.
A preparation method of the simulated epidermis comprises the following steps:
manufacturing a built-in supporting shell according to the three-dimensional data of the simulation object;
coating an oil sludge layer on the built-in supporting shell;
carving the structural characteristics of the simulation object on the oil sludge layer to obtain an intermediate;
coating gypsum slurry on the surface of the intermediate to obtain a gypsum layer, and removing the intermediate to obtain a simulation skin mould with a hollow structure;
placing the built-in support shell in a hollow structure of the simulated skin mold, and enabling a gap to be formed between the built-in support shell and the simulated skin mold;
pouring silica gel into a gap between the built-in support shell and the simulated skin mould and curing to obtain a simulated skin silica gel part; and
and coloring the silica gel part with the simulated skin to obtain the simulated skin.
In one embodiment, the simulation object is the epidermis of the human head.
In one embodiment, the step of engraving the structural feature of the simulation object on the oil sludge layer to obtain an intermediate specifically includes:
carving the outline of the simulation object on the oil sludge layer according to the simulation object;
carving the head muscle group structure of the simulation object on the oil sludge layer; and
and carving skin pores, skin textures, skin blood vessels and skin wound structures of the simulation object on the oil sludge layer.
In one embodiment, the step of coating a gypsum slurry on the surface of the intermediate body to obtain a gypsum layer and then removing the intermediate body to obtain the simulated skin mold with the hollow structure specifically comprises:
marking an open mold line on the intermediate body to divide the intermediate body into a first portion and a second portion;
applying a release agent on a first portion of the intermediate, followed by applying a gypsum slurry on the first portion and allowing the gypsum slurry to cure to provide a first mold; and
and coating a release agent on a second part of the intermediate body, then coating a gypsum slurry on the second part and solidifying the gypsum slurry to obtain a second mold, wherein the first mold can be spliced with the second mold to form the simulated skin mold.
In one embodiment, the structural features of the simulation object include a top nodule, a temporal muscle middle, an anterior helix muscle, an external helix muscle, an earlobe, a masseter posterior edge, and a sternocleidomastoid muscle, and the mold opening line passes through the top nodule, the temporal muscle middle, the anterior helix muscle, the external helix muscle, the earlobe, the masseter posterior edge, and the sternocleidomoid muscle of the intermediate body and is smoothly connected.
In one embodiment, the structural features include a skull and an occipital bone of the simulation subject; after the step of engraving the structural features of the simulation object on the oil sludge layer, before the steps of coating a release agent on the first part of the intermediate body, then coating a gypsum slurry on the first part and solidifying the gypsum slurry to obtain a first mould, the method further comprises the following steps: arranging an infusion opening forming element on the intermediate body, and arranging the infusion opening forming element on at least one of the top of the skull of the intermediate body and the middle part of the occiput of the intermediate body;
and after the step of coating gypsum slurry on the second part and solidifying the gypsum slurry to obtain a second mould, a pouring opening is formed in the simulated skin mould and penetrates through the simulated skin mould.
In one embodiment, the first mold has a first barrier wall thereon, the second mold has a second barrier wall thereon, and when the first mold is closed with the second mold, the first barrier wall is fitted with the second barrier wall;
the first baffle wall is provided with a first positioning part, the second baffle wall is provided with a second positioning part, the first positioning part is a protrusion arranged on the first baffle wall, the second positioning part is a groove arranged on the second baffle wall, and the protrusion can be accommodated in the groove to realize the positioning of the first mold and the second mold; or, the first positioning portion is a groove formed in the first blocking wall, the second positioning portion is a protrusion formed in the second blocking wall, and the protrusion can be accommodated in the groove to position the first mold and the second mold.
In one embodiment, the step of manufacturing the built-in supporting shell according to the three-dimensional data of the preset simulation object further includes a step of acquiring the three-dimensional data of the simulation object, where the three-dimensional data includes size measurement data obtained based on a bone three-dimensional ratio of a human skull, and the size measurement data includes a length from a parietal bone to a mandible, a length from a pupil to the parietal bone, a length from a pupil to the mandible, a length from an eyebrow arch bone to the parietal bone, a length from an eyebrow arch bone to the mandible, a length from a piriform hole to the parietal bone, a length from a piriform hole to the mandible, and a position of a skull bone point.
A simulated epidermis is prepared by the preparation method of the simulated epidermis.
The simulation epidermis is applied to the field of simulation of human robots.
The preparation method of the simulation skin comprises the steps of firstly, manufacturing the built-in supporting shell according to three-dimensional data of a simulation object, and enabling the built-in supporting shell to form a basic outline with more similarity; coating an oil sludge layer on the built-in supporting shell, carving the structural characteristics of the simulation object to obtain an intermediate, wherein the oil sludge layer has good plasticity and can be used for carving the fine structure of the simulation object, and preparing a simulation skin mold on the intermediate by adopting gypsum slurry which can fully capture the detailed texture on the surface of the intermediate so that the prepared simulation skin mold has better similarity; the method comprises the steps of placing a built-in supporting shell in a hollow structure of a simulation skin mould, enabling the built-in supporting shell and the simulation skin mould to form a gap, pouring silica gel into the gap and solidifying to obtain a simulation skin silica gel piece, enabling the obtained simulation skin silica gel piece to completely duplicate a fine structure on the simulation skin mould, and enabling the simulation skin silica gel piece to be colored to obtain a simulation skin with extremely high similarity, wherein the preparation process of the simulation skin is simpler.
Drawings
FIG. 1 is a process flow diagram of a method of making a simulated skin according to one embodiment;
FIG. 2 is a process flow diagram of step S140 of the method of preparing a simulated skin shown in FIG. 1;
fig. 3 is a process flow diagram of step S150 in the method for preparing the artificial skin shown in fig. 1.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, but rather should be construed as broadly as the present invention is capable of modification in various respects, all without departing from the spirit and scope of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
In the present embodiment, a method for producing a simulated epidermis will be described in detail with reference to the human head epidermis as an example. Referring to fig. 1, a method for preparing a simulated epidermis according to an embodiment includes the following steps:
and S110, collecting three-dimensional data of the simulation object.
In one embodiment, the simulation object is a human head epidermis structure. The three-dimensional data of the simulated object includes dimensional measurement data acquired based on a three-dimensional scale of a bone of a human skull. The size measurement data includes the length of parietal bone to mandible, the length of pupil to parietal bone, the length of pupil to mandible, the length of eyebrow arch bone to parietal bone, the length of eyebrow arch bone to mandible, the length of piriform hole to parietal bone, the length of piriform hole to mandible and skull bone point position. The three-dimensional data of the simulation object is not limited to the above-mentioned data. In addition, the three-dimensional data also comprises human muscle shape, natural growth characteristics, physiological characteristics of the connection of the skin surface layer and the skeleton, skin texture, color characteristics and the like.
And S120, manufacturing a built-in supporting shell according to the three-dimensional data of the simulation object.
In one embodiment, the built-in supporting shell is made of polyurethane material, and the built-in supporting shell is subjected to CNC engraving treatment.
In one embodiment, the simulated skin is used for a robot with a dynamic structure, and at the moment, a mechanical structure fixing point is reserved in the internal part of the built-in supporting shell, and the reserved mechanical structure fixing point is used for being fixedly connected with the internal mechanical structure so as to realize the motion of the simulated skin.
And S130, coating an oil sludge layer on the built-in supporting shell.
In one embodiment, the inner support shell is coated on its outer surface with a fine-grained sludge. The carved oil sludge is hard and fine in texture, does not shrink, has good carving performance, is used for carving the microstructure of the simulation epidermis, and is good in reality degree.
In one embodiment, the thickness of the layer of sludge is between 0.8cm and 1.0 cm.
And S140, carving the structural characteristics of the simulation object on the oil sludge layer to obtain an intermediate.
In one embodiment, the step of carving the structural feature of the simulation object on the oil sludge layer to obtain the intermediate specifically includes:
and S141, carving the outline of the simulation object on the oil sludge layer according to the simulation object.
In one embodiment, the basic outline of the simulated epidermis is carved out of the layer of the oil mud according to the race, age and sex of the simulated object.
And S142, carving the head muscle group structure of the simulation object on the oil sludge layer.
In one embodiment, the head muscle group structure of the simulation skin is carved according to the character background environment and the character experience of the simulation object.
S143, carving skin pores, skin textures, skin blood vessels and skin wound structures of the simulation object on the oil sludge layer.
In one embodiment, a high-precision metal engraving tool is used for finely engraving the oil sludge layer, so that the characteristic structure of the intermediate body is similar to that of the simulation object.
In one embodiment, the thickness of the engraved layer of putty is between 0.5cm and 0.8 cm.
S150, coating gypsum slurry on the surface of the intermediate to obtain a gypsum layer, and removing the intermediate to obtain the simulation skin mould with the hollow structure.
In one embodiment, the step of coating the surface of the intermediate body with gypsum slurry to obtain a gypsum layer and removing the intermediate body to obtain the simulated skin mold with the hollow structure specifically comprises:
and S151, marking an open mold line on the intermediate body.
In one embodiment, the unclamp wire surrounds the intermediate body and divides the intermediate body into a first portion and a second portion.
In one embodiment, the structural features of the simulated object carved on the oil sludge layer comprise a top nodule, a middle part of a temporal muscle, an anterior helix muscle, an outer side of an external helix, an earlobe, a rear edge of a masseter muscle and a sternocleidomastoid muscle. The mold opening line passes through the top nodule, the middle part of the temporal muscle, the anterior helix muscle, the outer side of the external helix, the earlobe, the rear edge of the masseter muscle and the sternocleidomastoid muscle of the intermediate body and is connected smoothly. Therefore, the position of the die sinking line is more hidden, the path of the die sinking line is smoother and is positioned at the approximate quick connection position, and the visual central point and the position of a complex head part of a block can be effectively avoided; in addition, the mold opening line can be hidden in hair ornaments and clothes, the whole effect of the head of the simulation epidermis when the simulation epidermis is used for simulating a robot is not influenced, and the skin detail can be completely copied.
And S152, arranging a pouring opening forming element on the intermediate body.
In one embodiment, the pouring opening forming element is a tube profile. Further, the filling opening forming element is a PVC pipe profile or an oil sludge pipe profile. Furthermore, the length of the pipe section is 4 cm-6 cm, and the inner diameter of the pipe section is 2.5 cm-3 cm. Of course, the size of the pipe profile can also be adjusted according to the specific size of the artificial skin.
In one embodiment, the carving of the structural features of the simulation object on the oil sludge layer further comprises a skull and an occipital bone of the simulation object. An infusion port forming element is disposed on at least one of a skull top portion of the intermediate body and an occipital middle portion of the intermediate body.
And S153, coating a release agent on the first part of the intermediate, then coating a gypsum slurry on the first part and solidifying the gypsum slurry to obtain the first mould.
In one embodiment, the release agent is uniformly coated on the surface of the intermediate body by using a soft wool brush. Further, the release agent is vaseline.
In one embodiment, the first portion of the intermediate body is placed horizontally on a soft mat with the first portion facing upwards to prevent the intermediate body from slipping during the preparation of the mold, thereby damaging the texture of the intermediate body and the molded first mold surface.
In one embodiment, gypsum slurry is used as a molding material of a first mold, the gypsum slurry is coated on a first part of an intermediate, the intermediate is repeatedly coated every 10-15 min for 4-8 times, the gypsum slurry is cured to obtain a first mold with a certain thickness, and after all the intermediate coated with the gypsum slurry is completely coated, the intermediate coated with the gypsum slurry is placed at room temperature for 24-48 h to fully cure the gypsum slurry, wherein the room temperature generally refers to 15-40 ℃. Further, the thickness of the first mold is 3 cm-5 cm. The thickness of the first mold may also be adjusted according to the complexity of the simulation object and the simulation ratio.
Further, the gypsum slurry comprises gypsum and water, and the mass ratio of the gypsum to the water is 3: 5-6: 5. Thus, the gypsum slurry has good fluidity, can flow on the surface of the intermediate body sufficiently, can capture the detailed texture of the surface of the intermediate body sufficiently, and can reduce the generation of bubbles in the curing process of the gypsum slurry. Further, the gypsum is medical gypsum.
And S154, coating a release agent on the second part of the intermediate body, then coating a gypsum slurry on the second part and solidifying the gypsum slurry to obtain a second mold.
In one embodiment, a release agent is applied uniformly to the surface of the second portion of the intermediate body using a soft wool brush. Further, the release agent is vaseline.
In one embodiment, the second portion of the intermediate is placed horizontally on a soft mat facing upwards to prevent the intermediate from slipping during the mold preparation process, thereby damaging the texture of the intermediate and the formed second mold surface.
In one embodiment, gypsum slurry is used as a molding material of the second mold, the gypsum slurry is coated on the second part of the intermediate, the coating is repeatedly performed every 10-15 min, the coating is repeated for 4-8 times, the gypsum slurry is cured to obtain the second mold with a certain thickness, and after the coating is completed, the intermediate coated with the gypsum slurry is placed at room temperature for 24-48 hours to fully cure the gypsum slurry, wherein the room temperature generally refers to 15-40 ℃. Further, the thickness of the second die is 3 cm-5 cm. The thickness of the second mold may be adjusted according to the complexity of the simulation object and the simulation ratio.
Further, the gypsum slurry comprises gypsum and water, and the mass ratio of the gypsum to the water is 3: 5-6: 5. Thus, the gypsum slurry has good fluidity, can flow on the surface of the intermediate body sufficiently, can capture the detailed texture of the surface of the intermediate body sufficiently, and can reduce the generation of bubbles in the curing process of the gypsum slurry. Further, the gypsum is medical gypsum.
The first mold and the second mold which are prepared can be spliced to form the simulation skin mold, and the simulation skin mold formed by covering the first mold and the second mold is of a hollow structure, so that the built-in support shell can be contained in the hollow structure. Because the middle body is provided with the pouring port forming element, the obtained simulated skin mould is provided with the pouring port which penetrates through the simulated skin mould.
In one embodiment, the first mold has a first barrier wall and the second mold has a second barrier wall, the first barrier wall conforming to the second barrier wall when the first mold is closed with the second mold. The first baffle wall is provided with a plurality of first positioning parts, the first positioning parts are arranged at intervals respectively, and the first positioning parts are bulges arranged on the first baffle wall; the second partition wall is provided with a plurality of second positioning parts, the plurality of second positioning parts are arranged at intervals respectively, and the second positioning parts are grooves formed in the second partition wall; when the first mold and the second mold are closed, the first positioning part can be accommodated in the second top part to realize the positioning of the first mold and the second mold.
In other embodiments, the first positioning portion is a groove formed on the first blocking wall, the second positioning portion is a protrusion formed on the second blocking wall, and when the first mold and the second mold are closed, the second positioning portion can be accommodated in the first positioning portion to position the first mold and the second mold.
In other embodiments, step S152 may be omitted, and when step S152 is omitted, a step of forming a groove in the first mold or the second mold to form the pouring opening may be included after step S154.
S160, placing the built-in support shell in the hollow structure of the simulated skin mould, and enabling a gap to be formed between the built-in support shell and the simulated skin mould.
In one embodiment, the simulated skin mold is formed by a first mold closing with a second mold.
In one embodiment, the built-in support shell used in this step is a built-in support shell recovered after removing the surface sludge layer from the intermediate body. Of course, in other embodiments, in the step of manufacturing the built-in support shell according to the three-dimensional data of the simulation object, a plurality of built-in support shells may be prepared, and the built-in support shell used in this step may be another built-in support shell.
S170, pouring silica gel into the gap between the built-in supporting shell and the simulated skin mould and curing to obtain the simulated skin silica gel part.
In one embodiment, the silica gel is prepared by blending a first silica gel and a second silica gel, and the mass ratio of the first silica gel to the second silica gel is 0.8: 1-1.2: 1.
Further, the first silicone rubber is methyl vinyl silicone rubber added with polyorganosiloxane.
In one embodiment, the first silica gel is selected from silica gels with the hardness of 0-5 degrees, the hardness of the first silica gel is 25-30 ℃, the viscosity of the first silica gel is 200-500 cs, the tear resistance of the first silica gel after molding is 1.5-3.2 KN/m, the tensile strength is 0.8-1.1 MPa, and the elongation at break is 100-500%. Further, the first silica gel is selected from silica gel with the hardness of 0 degree, the viscosity is 350cs, the tear strength of the formed first silica gel is 2.4KN/m, the tensile strength is 1.1MPa, and the elongation at break is 395%. The first silicone gel described above more readily captures skin texture.
Further, the second silica gel is prepared by blending an oily pigment and the third silica gel, the oily pigment is a khaki oily pigment, a bright red oil pigment and a flesh color oily pigment according to a mass ratio of 4-6: 2-4: 1-2, and the mass ratio of the khaki oily pigment, the bright red oil pigment and the flesh color oily pigment can be 5:3: 2. The mass ratio of the oily pigment to the third silica gel is 1: 30-1: 10. Furthermore, the third silica gel is methyl vinyl silicone rubber added with chloroplatinic acid and organopolysiloxane, so that the third silica gel has the advantages of high viscosity, high tensile strength and strong tear resistance, and is suitable for being used as bottom layer skin.
In one embodiment, the third silica gel is selected from silica gel with the hardness of 0-10 degrees, the hardness of the third silica gel is 28-32C, the viscosity is 8000 cs-10000 cs, the tear resistance of the third silica gel after molding is 8.5-9.2 KN/m, the tensile strength is 1.8-2.1 MPa, and the elongation at break is 700-900%.
When the simulated skin silica gel piece is prepared by pouring the silica gel material prepared by the first silica gel and the second silica gel, the simulation degree is higher.
In one embodiment, after the silica gel is poured into a gap between the built-in supporting shell and the simulated skin mould, the simulated skin mould is placed in a vacuum machine for vacuum pumping treatment, so that the phenomenon that the quality is influenced by bubbles in the molded simulated skin silica gel piece is avoided.
In one embodiment, the degree of vacuum in the evacuation process is 0.03 to 0.06MPa, and the time for evacuation is 5 to 8 min.
In one embodiment, the curing temperature for curing the silica gel is 40 ℃ to 80 ℃. The curing time is 15 min-30 min.
And S180, coloring the simulation skin silica gel piece to obtain the simulation skin.
In one embodiment, the simulated epidermis primary product is subjected to a cleaning treatment and then a coloring treatment.
In one embodiment, the detailed local coloring treatment of the epidermis is carried out on the basis of the color background of the simulated epidermis silica gel piece, and the deficient and distorted local colors are adjusted, so that the important points are to treat the colors of orbicularis oculi muscles, frown muscles, nasal wings, zygomatic bulges, orbicularis oris muscles, lips, external helix and internal helix.
The preparation method of the simulation skin comprises the steps of firstly, manufacturing the built-in supporting shell according to three-dimensional data of a simulation object, and enabling the built-in supporting shell to form a basic outline with more similarity; coating an oil sludge layer on the built-in supporting shell, carving the structural characteristics of the simulation object to obtain an intermediate, wherein the oil sludge layer has good plasticity and can be used for carving the fine structure of the simulation object, and preparing a simulation skin mold on the intermediate by adopting gypsum slurry which can fully capture the detailed texture on the surface of the intermediate so that the prepared simulation skin mold has better similarity; the method comprises the steps of placing a built-in supporting shell in a hollow structure of a simulation skin mould, enabling the built-in supporting shell and the simulation skin mould to form a gap, pouring silica gel into the gap and solidifying to obtain a simulation skin silica gel piece, enabling the obtained simulation skin silica gel piece to completely duplicate a fine structure on the simulation skin mould, and enabling the simulation skin silica gel piece to be colored to obtain a simulation skin with extremely high similarity, wherein the preparation process of the simulation skin is simpler.
The simulated epidermis of one embodiment is prepared by the preparation method of the simulated epidermis.
The above-mentioned artificial skin can be used in the field of an artificial human robot, and particularly, the above-mentioned artificial skin can be used as a head skin of an artificial human robot with a very high similarity.
It should be noted that the preparation method of the simulated epidermis can also be used for other simulated objects besides the human figure.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A preparation method of the simulation epidermis is characterized by comprising the following steps:
manufacturing a built-in supporting shell according to the three-dimensional data of the simulation object;
coating an oil sludge layer on the built-in supporting shell;
carving the structural characteristics of the simulation object on the oil sludge layer to obtain an intermediate;
coating gypsum slurry on the surface of the intermediate to obtain a gypsum layer, and removing the intermediate to obtain a simulation skin mould with a hollow structure;
placing the built-in support shell in a hollow structure of the simulated skin mold, and enabling a gap to be formed between the built-in support shell and the simulated skin mold;
pouring silica gel into a gap between the built-in support shell and the simulated skin mould and curing to obtain a simulated skin silica gel part; and
and coloring the silica gel part with the simulated skin to obtain the simulated skin.
2. The method for preparing the artificial epidermis of claim 1 wherein the artificial object is the epidermis of the human head.
3. The method for preparing the simulated skin according to claim 2, wherein the step of carving the structural feature of the simulated object on the oil sludge layer to obtain the intermediate specifically comprises:
carving the outline of the simulation object on the oil sludge layer according to the simulation object;
carving the head muscle group structure of the simulation object on the oil sludge layer; and
and carving skin pores, skin textures, skin blood vessels and skin wound structures of the simulation object on the oil sludge layer.
4. The method for preparing the artificial skin according to claim 2, wherein the step of coating a gypsum slurry on the surface of the intermediate body to obtain a gypsum layer and removing the intermediate body to obtain the artificial skin mold having the hollow structure comprises:
marking an open mold line on the intermediate body to divide the intermediate body into a first portion and a second portion;
applying a release agent on a first portion of the intermediate, followed by applying a gypsum slurry on the first portion and allowing the gypsum slurry to cure to provide a first mold; and
and coating a release agent on a second part of the intermediate body, then coating a gypsum slurry on the second part and solidifying the gypsum slurry to obtain a second mold, wherein the first mold can be spliced with the second mold to form the simulated skin mold.
5. The method of preparing the artificial epidermis of claim 4, wherein the structural features of the artificial object include the top nodule, the middle of the temporal muscle, the anterior helix muscle, the outer side of the external helix, the earlobe, the posterior edge of the masseter muscle and the sternocleidomastoid muscle, and the open mold line passes through the top nodule, the middle of the temporal muscle, the anterior helix muscle, the outer side of the external helix, the earlobe, the posterior edge of the masseter muscle and the sternocleidomoid muscle of the intermediate body and is connected smoothly.
6. The method of preparing the simulated skin of claim 4 wherein said structural features comprise the skull and occiput of said simulated subject; after the step of engraving the structural features of the simulation object on the oil sludge layer, before the steps of coating a release agent on the first part of the intermediate body, then coating a gypsum slurry on the first part and solidifying the gypsum slurry to obtain a first mould, the method further comprises the following steps: arranging an infusion opening forming element on the intermediate body, and arranging the infusion opening forming element on at least one of the top of the skull of the intermediate body and the middle part of the occiput of the intermediate body;
and after the step of coating gypsum slurry on the second part and solidifying the gypsum slurry to obtain a second mould, a pouring opening is formed in the simulated skin mould and penetrates through the simulated skin mould.
7. The method of manufacturing a simulated skin as claimed in claim 4, wherein said first mold has a first barrier wall thereon, said second mold has a second barrier wall thereon, and when said first mold and said second mold are closed, said first barrier wall and said second barrier wall are fitted;
the first baffle wall is provided with a first positioning part, the second baffle wall is provided with a second positioning part, the first positioning part is a protrusion arranged on the first baffle wall, the second positioning part is a groove arranged on the second baffle wall, and the protrusion can be accommodated in the groove to realize the positioning of the first mold and the second mold; or, the first positioning portion is a groove formed in the first blocking wall, the second positioning portion is a protrusion formed in the second blocking wall, and the protrusion can be accommodated in the groove to position the first mold and the second mold.
8. The method for preparing the artificial epidermis of claim 2, wherein the step of preparing the built-in supporting shell according to the three-dimensional data of the preset artificial object further comprises the step of collecting the three-dimensional data of the artificial object, the three-dimensional data comprises size measurement data obtained based on the bone three-dimensional proportion of the human skull, and the size measurement data comprises the length from the parietal bone to the mandible, the length from the pupil to the parietal bone, the length from the eyebrow arch bone to the mandible, the length from the piriform hole to the parietal bone, the length from the piriform hole to the mandible and the position of the skull bone point.
9. A simulated skin prepared by the method for preparing a simulated skin according to any one of claims 1 to 8.
10. Use of the simulated skin of claim 9 in the field of simulated human robotics.
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| CN201810862933.XA CN110789266A (en) | 2018-08-01 | 2018-08-01 | Simulation epidermis and preparation method and application thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113478876A (en) * | 2021-07-06 | 2021-10-08 | 戈兰林艺创科技(深圳)有限公司 | Method for manufacturing outer skin film layer of inflatable model |
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Application publication date: 20200214 |