CN211074417U - Model making device - Google Patents
Model making device Download PDFInfo
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- CN211074417U CN211074417U CN201922017261.5U CN201922017261U CN211074417U CN 211074417 U CN211074417 U CN 211074417U CN 201922017261 U CN201922017261 U CN 201922017261U CN 211074417 U CN211074417 U CN 211074417U
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Abstract
The utility model relates to the technical field of medical equipment, especially, relate to a model making device. An object of the utility model is to provide a model making device, include: a first case; the first adjusting mechanism is arranged in the first box body and used for rotatably arranging the inner cavity model in the first box body so as to coat the material to be formed into a film on the surface of the inner cavity model; the first temperature control mechanism is arranged on the first box body and used for controlling the internal temperature of the first box body so as to enable the material to be formed into a film to be solidified to form a model; and the vacuumizing mechanism is arranged outside the first box body and is communicated with the inside of the first box body. The utility model discloses a set up first adjustment mechanism in first box, first adjustment mechanism is connected with the inner chamber model to it is rotatory to drive the inner chamber model, makes the coating evenly adhere to on the inner chamber model is surperficial to treat film forming material at the inner chamber model, makes fashioned model structure surface smooth, of high quality.
Description
Technical Field
The utility model belongs to the technical field of medical instrument, especially, relate to a model making device.
Background
In the treatment methods adopted for coronary artery diseases, cerebrovascular diseases and the like, the interventional treatment method of puncturing a catheter through a femoral artery or a radial artery until the position of a pathological change has small wound and quick recovery, but requires high level of clinical experience and technical operation of doctors, but the doctors have difficulty in accumulating the clinical experience, and the technical level of the operation can be effectively improved if a large amount of simulation operation is performed by means of human body structure models such as a human artery vascular network and the like. At present, the human body structure model is mostly of large forming quality and has a non-smooth surface, an organic solvent is used in the forming process, and the manufacturing process is harmful to the human body. For example, the blood vessel model is manufactured by casting or spraying a mold to manufacture an original blood vessel model, then the original blood vessel model is carried on a workbench, the workbench and a container carrying hydrophilic or hydrophobic solution form a loop, and a heat source is arranged on one side of the workbench to cure the blood vessel model attached with the hydrophilic or hydrophobic coating. In the mode, the heat source is fixedly arranged on the workbench, and the phenomenon of hanging drops and the like occurs on the material coated on the surface of the original blood vessel model under the influence of gravity, so that the formed blood vessel model has poor quality and is not smooth.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to provide a model making device, which can utilize an inner cavity model to prepare a model structure and has good model forming quality.
The purpose of the utility model is realized by adopting the following technical scheme: the utility model provides a model making device, include: a first case; the first adjusting mechanism is arranged in the first box body and used for rotatably arranging the inner cavity model in the first box body so as to coat the material to be formed into a film on the surface of the inner cavity model; the first temperature control mechanism is arranged on the first box body and used for controlling the internal temperature of the first box body so as to enable the material to be formed into a film to be solidified to form a model; and the vacuumizing mechanism is arranged outside the first box body and is communicated with the inside of the first box body.
In a specific embodiment, the first temperature control mechanism includes a heating component located in the first box and a temperature control plate located outside the first box, and the heating component is electrically connected to the temperature control plate.
In one embodiment, the first adjusting mechanism comprises a clamping member for fixing the cavity model, and a rotating member connected with the clamping member and used for driving the clamping member to rotate.
In a specific embodiment, the rotating member includes a first rotating member penetrating through an outer wall of one side of the first housing and connected to the holding member inside the first housing, and a second rotating member disposed on the holding member and connected to the cavity mold.
In a specific embodiment, the clamping member comprises a first clamping hand, a second clamping hand, a first locking piece and a second locking piece, wherein the first clamping hand comprises a first part and a second part which are arranged at an angle, the second clamping hand comprises a third part and a fourth part which are arranged at an angle, the first part and the third part are connected with the first rotating piece and slide relative to the first rotating piece, the second part is connected with the other end of the inner cavity model, and the fourth part is connected with the second rotating piece; the first locking piece and the second locking piece are both connected with the first rotating piece, and when the first locking piece is locked, the first gripper is fixed relative to the first rotating piece; when the second locking piece is locked, the second clamping hand is fixed relative to the first rotating piece.
In a specific embodiment, the clamping member further comprises a slide bar connected to the second portion and a connector connected to the fourth portion; the slide bar is connected with the other end of the inner cavity model, and the slide bar can slide along the second part; the connecting piece is fixedly connected with the second rotating piece, the fourth part is provided with a first sliding groove, and the connecting piece is connected in the first sliding groove in a sliding manner; the sliding strip is provided with a sliding opening, the inner cavity model is connected to the sliding opening through a fixing block, and the fixing block can slide in the sliding opening and rotate relative to the sliding opening.
In a specific embodiment, the modeling apparatus further includes: the second box body is positioned outside the first box body, and a curing solution is contained in the second box body; the second adjusting mechanism is arranged in the second box body and is used for arranging the inner cavity model coated with the film-forming material in a suspended manner in the second box body; and the second temperature control mechanism is arranged on the second box body and used for controlling the temperature of the curing solution.
In a specific embodiment, the second adjustment mechanism includes a first adjustment member, a second adjustment member, and a third adjustment member, the adjustment directions of which are perpendicular to each other.
In a specific embodiment, the first adjusting part comprises longitudinal adjusting pieces arranged on two opposite side walls of the second box body; the second adjusting part comprises a transverse adjusting part arranged on the longitudinal adjusting part, wherein a second sliding groove is formed in the longitudinal adjusting part, and a sliding block accommodated on the second sliding groove is arranged on the transverse adjusting part; the third adjusting part comprises a fixing part and an adjusting part, the fixing part is fixedly connected with the adjusting part, the fixing part is connected with the inner cavity model, wherein a transverse groove is formed in the transverse adjusting part, and the adjusting part can be slidably accommodated in the transverse groove.
In a specific embodiment, the adjusting portion has a plurality of first through holes, the lateral adjusting member has a plurality of second through holes corresponding to the first through holes, the plurality of first through holes are distributed along the extending direction of the adjusting portion, the plurality of second through holes are distributed along the extending direction of the lateral groove, and the adjusting portion and the lateral adjusting member are connected by a pin passing through the first through holes and the second through holes.
Compared with the prior art, the beneficial effects of the utility model reside in that:
the utility model discloses a set up first adjustment mechanism in first box, first adjustment mechanism is connected with the inner chamber model to it is rotatory to drive the inner chamber model, makes the coating evenly adhere to the inner chamber model on the inner chamber model surface treats film-forming material, and first accuse temperature mechanism ensures the temperature equilibrium in the first box, and the film-forming material of coating is heated evenly in the forming process on the inner chamber model, thereby makes fashioned model structure surface smooth, of high quality.
Drawings
Fig. 1 is a schematic perspective view of an embodiment of the present invention;
fig. 2 is a schematic diagram of the internal structure of an embodiment of the present invention;
fig. 3 is a schematic diagram of the internal structure of an embodiment of the present invention;
fig. 4 is a schematic perspective view of another embodiment of the present invention;
fig. 5 is a schematic view of the internal structure of another embodiment of the present invention.
In the figure: 2. an inner cavity model; 10. a first case; 11. an upper cover; 12. a second case; 20. a clamping member; 21. a first gripper; 211. a first portion; 212. a second portion; 22. a second gripper; 221. a third portion; 222. a fourth part; 24. a second lock; 25. a slide bar; 251. a sliding port; 252. a fixed block; 30. a heating member; 31. a temperature control plate; 32. a second temperature control mechanism; 40. a first rotating member; 41. a second rotating member; 42. a hand-held portion; 43. a seal member; 50. a vacuum pump; 60. a first adjustment member; 61. a longitudinal adjustment member; 62. a second chute; 70. a second adjustment member; 71. a lateral adjustment member; 72. a transverse groove; 73. a second through hole; 80. a third regulating member; 81. a fixed part; 82. an adjustment section; 83. a first via.
Detailed Description
The present invention will now be described in more detail with reference to the accompanying drawings, and it is to be understood that the following description of the present invention is made only by way of illustration and not by way of limitation with reference to the accompanying drawings. The various embodiments may be combined with each other to form other embodiments not shown in the following description.
The utility model provides a model making device, refer to fig. 1 and fig. 4, this model making device includes first box 10, a regulating mechanism. Wherein, first adjustment mechanism sets up in first box 10 and is used for rotatably setting up the inner chamber model in first box inside, and first adjustment mechanism is connected with inner chamber model 2 to drive inner chamber model 2 rotatory, make the coating treat the film forming material on inner chamber model surface evenly adhere to on the inner chamber model.
In a specific embodiment, the modeling apparatus further includes a first temperature control mechanism disposed on the first box, and the first temperature control mechanism is configured to control the temperature inside the first box, so that the material to be formed into a film is solidified to form a model. In one embodiment, referring to fig. 1 and 2, the first temperature control mechanism includes a heating member 30 located inside the first housing 10 and a temperature control plate 31 located outside the first housing, and the heating member 30 is electrically connected to the temperature control plate 31. Specifically, the heating members 30 are disposed at least at opposite sides of the first casing 10 to control the temperature inside the first casing 10 to be uniform. Set up heating block 30 in first box 10 to through the temperature of temperature control board 31 control heating block 30, thereby the temperature in the first box 10 of fine control, and then guarantee that the film forming material of coating is heated evenly in the forming process on the inner chamber model 2, make fashioned model structure surface smooth, the quality is better.
In one embodiment, the modeling apparatus further includes a vacuum pumping mechanism 50 disposed outside the first casing and communicating with the inside of the first casing, the vacuum pumping mechanism being configured to control the degree of vacuum in the casing. It should be understood that the connection between the vacuum-pumping mechanism and the box body is provided with a three-way valve, one opening of the three-way valve is communicated with the inside of the box body, the other opening is communicated with the atmosphere, and the other opening is communicated with the vacuum-pumping mechanism, so that the control of the air pressure in the box body is realized. Specifically, the vacuum pumping mechanism is a vacuum pump.
In one embodiment, the first adjustment mechanism includes a holding member 20 for fixing the cavity mold, and a rotating member connected to the holding member 20 and for rotating the holding member 20. The holding member 20 holds the inner cavity model coated with the material to be film-formed, and the rotating member drives the inner cavity model to rotate, so that the material to be film-formed coated on the surface of the inner cavity model is uniformly attached to the surface of the inner cavity model, and a model structure with a smooth surface is formed.
In a specific embodiment, referring to fig. 2 and 3, the rotating member includes a first rotating member 40 and a second rotating member 41, wherein the first rotating member 40 penetrates through an outer wall of one side of the first casing 10 and is connected to the clamping mechanism 20 inside the first casing 10, and the first rotating member 40 rotates relative to the first casing 10, so that the first rotating member 40 controls the clamping member 20 to rotate; the second rotating member 41 is provided on the holding member 20 and connected to the cavity mold 2, thereby enabling the second rotating member 41 to control the rotation of the cavity mold 2. It should be understood that, on the outer side of the first casing 10, the first rotating member 40 is provided with a hand-held portion 42 for manually controlling the rotation of the first rotating member 40; in one embodiment, a sealing member 43 is disposed at the connection portion of the first rotating member 40 and the first casing 10 to increase the friction force between the first rotating member 40 and the first casing 10, so that the first rotating member 40 can be maintained at a desired angle.
In a specific embodiment, referring to fig. 2 and 3, the clamping member 20 comprises a first clamping hand 21 and a second clamping hand 22, wherein the first clamping hand 21 comprises a first portion 211 and a second portion 212 which are arranged at an angle, the second clamping hand 22 comprises a third portion 221 and a fourth portion 222 which are arranged at an angle, and the first portion 211 and the third portion 221 are both connected with the first rotating member 40 and slide relative to the first rotating member 40 to realize the adjustment of the clamping member 20 in the X-axis direction. The second portion 212 is connected to the other end of the cavity model and the fourth portion 222 is connected to the second rotating member 41. Specifically, the first clamping hand 21 and the second clamping hand 22 are connected to one side of the first rotating member 40 located inside the first casing 10, wherein the first clamping hand 21 and the second clamping hand 22 are respectively disposed at two opposite sides of the first rotating member 40, i.e., the first portion 211 and the third portion 221 pass through the first rotating member 40 and slide left and right relative to the first rotating member 40 through the first rotating member 40, and the second portion 212 and the fourth portion 222 are respectively located at two sides of the first rotating member 40.
The cavity model is connected between the second part 212 and the fourth part 222, the first part 211 and the third part 221 slide towards each other, and the distance between the second part 212 and the fourth part 222 is shortened to match the cavity model with a small size; the first section 211 and the third section 221 slide in opposite directions and the distance between the second section 212 and the fourth section 222 increases to fit a large-sized lumenal model. When the first rotating member 40 rotates, the first rotating member 40 drives the first clamping hand 21 and the second clamping hand 22 to rotate simultaneously, so that the inner cavity model rotates, the film-forming material to be formed on the surface of the inner cavity model is heated uniformly, and the hanging drop phenomenon on the surface of the inner cavity model is prevented. It should be understood that the first portion 211 of the first gripper 21 and the third portion 221 of the second gripper 22 are disposed on the first rotating member 40 in a parallel manner, and the first portion 211 and the third portion 221 may be disposed up and down or at the same height.
In one embodiment, the clamping member 20 further comprises a first locking member (not shown) and a second locking member 24, both the first locking member and the second locking member 24 are connected with the first rotating member 40, and when the first locking member is locked, the first clamping hand 21 is fixed relative to the first rotating member 40; when the second locking member 24 is locked, the second gripper 22 is fixed relative to the first rotating member 40. Specifically, the first rotating member 40 is provided with mounting holes for engaging with the first locking member and the second locking member 24, and when the first locking member abuts against the first portion 211 of the first gripper 21, the sliding of the first gripper 21 relative to the first rotating member 40 is limited; when the second lock member 24 abuts against the third portion 221 of the second gripper 22, the sliding of the second gripper 22 relative to the first rotating member 40 is restricted.
In one embodiment, referring to fig. 2 and 3, the clamping member 20 further comprises a slide 25 and a connector, the slide 25 is connected to the second portion 212, wherein the slide 25 is slidably mounted on the second portion 212 along the second portion 212, the slide 25 is provided with a mounting hole, and when the slide 25 is slid to a proper position, the slide 25 is fixed on the second portion 212 by a fastener such as a screw. The connecting member is connected to the fourth portion 222, wherein the fourth portion 222 has a first sliding slot, and the connecting member is slidably connected to the first sliding slot and can slide along the fourth portion 222. The connector also has mounting holes for securing the connector to the fourth portion 222 using fasteners such as screws when the connector is slid into place on the fourth portion 222. The connecting piece is fixedly connected with the second rotating piece 41, the second rotating piece 41 is connected with the inner cavity model, and the second rotating piece 41 drives the inner cavity model to rotate when rotating.
In one embodiment, the slide bar 25 is provided with a slide opening 251, and the cavity mold is connected to the slide opening 251 through a fixing block 252, wherein the fixing block 252 can slide in the slide opening 251 to adjust the holding member 20 in the Z-axis direction, and the fixing block 252 can rotate relative to the slide opening 251, and when the second rotating member 41 rotates, the fixing block 252 and the cavity mold 2 are driven to rotate.
One end of the cavity model 2 is connected with the second rotating member 41, the other end is connected with the fixed block 252, and the adjustment of the clamping member 20 in the X-axis direction is realized by sliding the positions of the first part 211 of the first gripper 21 and the third part 221 of the second gripper 22 relative to the first rotating member 40; the adjustment of the clamping member 20 in the Y-axis direction is achieved by the position of the slide 25 relative to the second portion 212 and the connector relative to the fourth portion 222; the position of the fixing block 252 relative to the slide bar 25 is adjusted to realize the adjustment of the clamping member 20 in the Z-axis direction, that is, the positions of the clamping member 20 in the X-axis, Y-axis and Z-axis directions are adjusted to realize the clamping of the inner cavity models 2 with different sizes and different shapes; the rotation of the cavity model 2 about the X axis is achieved by rotating the second rotating member 41; the rotation of the inner cavity model around the Y axis is realized by rotating the first rotating member 40, so that the material to be formed into the film on the surface of the inner cavity model 2 is uniformly heated in the forming process, the surface of the formed model structure is smooth, and the quality is good.
In one embodiment, the second rotating member 41 is a motor. In one embodiment, the upper cover 11 of the first box 10 is made of a high temperature resistant transparent material, which is convenient for operation and observation in the process of manufacturing the model structure; the upper cover is also provided with a handle to facilitate opening the upper cover.
The motor can slide relative to the fourth part 222 of the second gripper 22 to a proper position, fasteners such as screws on the connecting pieces are screwed to realize temporary fixation, the motor is fixed with the inner cavity model through the adapter, and the motor drives and controls the rotation of the whole inner cavity model, wherein the motor is controlled by the circuit board, and the motor is provided with an infrared receiver and can drive the rotation of the motor by an external infrared transmitter in a remote control mode. After the material to be film-formed is coated on the cavity mold, the material to be film-formed on the surface of the cavity mold is controlled to be downwardly bulky under the action of gravity by the rotation of the first rotating member 40 and the second rotating member 41. The first rotating member 40 is matched with the motor to drive and control the inner cavity model to rotate and convert the angle, the material to be film-formed flows on the surface of the inner cavity model in a reciprocating mode, the air in the box body is heated at constant temperature in the rotating process of the material to be film-formed on the surface of the inner cavity model, the lower vacuum degree is kept, the material to be film-formed coated on the surface of the inner cavity model is continuously solidified until the material to be film-formed does not flow, and therefore the material to be film-formed on.
According to the above embodiment, the manufacturing steps of the model are as follows:
step (1): creating a three-dimensional model by using a three-dimensional reconstruction technology;
step (2): creating a lumen model of the model;
and (3) printing the inner cavity model into a shell with the wall thickness of 1.0-1.5 mm by using a 3D printing technology and a high-precision printing technology such as S L A laser forming printing and using photosensitive resin as a material, polishing the surface of the inner cavity model, and curing a layer of thin gloss oil (the gloss oil refers to a transparent photosensitive resin material) on the surface to obtain the inner cavity model with a very smooth surface.
And (4): selecting two ends of the inner cavity model obtained in the step (3) to be fixed in an inner cavity model making device, and adjusting a clamping member 20 of the model making device to be suitable for fixing models with different sizes;
and (5): coating a layer of flexible high polymer silicon rubber material on the surface of the inner cavity model (the material can be cured by heating, and the specific type can be selected according to the material characteristics of the required model); by means of the fluidity and the surface tension of the material to be film-formed, the first rotating part 40 and the second rotating part 41 are combined to control the material to be film-formed to uniformly flow on the surface of the inner cavity model, meanwhile, a vacuum pump of the device is started to exhaust air, after the material to be film-formed flows uniformly and the bubble rupture phenomenon is stable, the air exhaust is stopped and the atmospheric pressure is recovered, so that bubbles in the material to be film-formed on the surface can be removed completely; then starting the heating function of the device, controlling the temperature to be 60-70 ℃, and heating for 20-30 min, wherein the material to be formed into a film on the surface can be cured; the model is placed in gas for heating, and is solidified in liquid, so that the operation is simpler, the model can be solidified again without drying the liquid after being solidified every time, and the heated air is more convenient than the heated liquid.
And (6): repeating the step (5), namely coating a plurality of layers of flexible models with the required thickness after film forming on the surface of the inner cavity model;
and (7): the inner cavity model is taken out, and the inner cavity model can be pressed into fragments and taken out if necessary, for a more complex structure, the inner core can be taken out in an environment of 80-90 ℃, and the inner core can be obviously softened in the environment of 80-90 ℃ because the inner core material is photosensitive resin, so that the inner core can be taken out after being fragmented, and finally the required flexible model is obtained.
The model manufactured by the method has smooth outer surface and inner surface, the material is transparent, the integral transparent property is good, almost no air bubbles exist, the size precision of the inner wall of the model is high, and the inner cavity model can be pressed into fragments to be taken out or taken out in the environment of 80-90 ℃, so that the method can manufacture a structure with a tortuous and complex shape or a bifurcation structure.
In one embodiment, referring to fig. 4, the modeling apparatus further includes a second tank 12 located outside the first tank 10 and containing a solidification solution therein; the second adjusting mechanism is arranged in the second box body 12 and is used for suspending the inner cavity model 2 coated with the film-forming material in the second box body 12; and the second temperature control mechanism 32 is arranged on the second box body 12 and is used for controlling the temperature of the curing solution. The second temperature control mechanism 32 includes a temperature control plate and a heating member. The second housing 12 has a solidifying solution therein, which submerges the heating element. The temperature in the second box 12 is heated by the heating part, so that the temperature in the second box 12 is uniform, and the second box 12 does not need to be provided with an upper cover. When the inner cavity model coated with the material is immersed in the liquid of the second box body 12, the buoyancy of the curing solution and the fluidity of the material to be film-formed are utilized, so that the material to be film-formed can be uniformly distributed on the surface of the inner cavity model, and the material to be film-formed coated on the surface of the inner cavity model can be rapidly and completely cured due to the rapid heat transfer and uniform heat conduction of the liquid in the second box body. Preferably, the solution is water.
The inner cavity model coated with the material to be filmed is vacuumized in the first box 10 to remove bubbles, and after the material to be filmed is uniformly attached to the inner cavity model under the rotation action of the first rotating member 40 and the second rotating member 41, the inner cavity model 2 coated with the material to be filmed is placed in the second box 12 filled with the curing solution, and the material to be filmed is cured under the action of the second temperature control mechanism 32.
In the specific embodiment, the second adjusting mechanism includes a first adjusting member 60, a second adjusting member 70, and a third adjusting member 80, and the adjusting directions of the first adjusting member 60, the second adjusting member 70, and the third adjusting member 80 are different from each other. Specifically, the adjustment directions of the first adjustment member 60, the second adjustment member 70, and the third adjustment member 80 are perpendicular to each other, that is, the first adjustment member 60 realizes adjustment in the Y-axis direction, the second adjustment member 70 realizes adjustment in the X-axis direction, and the third adjustment member 80 realizes adjustment in the Z-axis direction.
In a specific embodiment, referring to fig. 5, the first adjusting member 60 includes longitudinal adjusting pieces 61 provided on opposite sidewalls of the second casing, and the longitudinal adjusting pieces 61 are provided with second sliding grooves 62. The second adjusting member 70 includes a transverse adjusting member 71, the transverse adjusting member 71 is provided with a slide block accommodated on the second sliding slot 62, and the transverse adjusting member 71 can slide on the longitudinal adjusting member 61 along the second sliding slot 62 to realize the adjustment in the Y-axis direction. Be equipped with the mounting hole on the horizontal regulating part 71, fix horizontal regulating part 71 in suitable position through fasteners such as screws to the inner chamber model of not unidimensional centre gripping makes the inner chamber model can be unsettled to be fixed inside the box.
In another embodiment, referring to fig. 4 and 5, the third adjusting member 80 includes a fixing portion 81 and an adjusting portion 82, the fixing portion 81 is fixedly connected with the adjusting portion 82, the fixing portion 81 is connected with the inner cavity model 2, wherein the transverse adjusting member 71 is provided with a transverse groove 72, the adjusting portion 82 is slidably received in the transverse groove, and the adjusting portion slides on the transverse adjusting member 71 along the transverse groove 72 to realize the adjustment in the X-axis direction.
In another embodiment, referring to fig. 5, the adjusting portion 82 has a plurality of first through holes 83, the lateral adjusting member 71 has a plurality of second through holes 73 corresponding to the first through holes 83, wherein the plurality of first through holes 83 are distributed along the extending direction of the adjusting portion 82, the plurality of second through holes 73 are distributed along the extending direction of the lateral groove 72, the adjusting portion 82 and the lateral adjusting member 71 are connected by a pin passing through the first through holes 83 and the second through holes 73, and the adjusting portion 82 slides in the direction perpendicular to the extending direction of the lateral groove 72 to realize the Z-axis adjustment. When the adjusting portion 82 is slid on the lateral adjusting member 71 to a desired position in a direction perpendicular to the extending direction of the lateral groove 72, the adjusting portion 82 is fixed on the lateral adjusting member 71 by the fixing member passing through the first through hole 83 and the second through hole 73.
The manufacturing steps of the model according to the embodiment are as follows:
step (1): creating a three-dimensional model by using a three-dimensional reconstruction technology;
step (2): creating a lumen model of the model;
step (3) printing the inner cavity model into a shell with the wall thickness of 1.0-1.5 mm by using a 3D printing technology and a high-precision printing technology such as S L A laser forming printing and taking photosensitive resin as a material, polishing the surface of the model, and curing a layer of thin gloss oil on the surface to obtain the inner cavity model with a very smooth surface;
and (4): selecting two ends of the inner cavity model obtained in the step (3) to be fixed in a model making device, and adjusting an adjusting mechanism of the model making device to be suitable for fixing models with different sizes;
and (5): the surface of the inner cavity model is coated with a layer of flexible high polymer silicon rubber material (the material can be cured by heating, and the specific type can be selected according to the material characteristics of the required model); the material to be formed is controlled to uniformly flow on the surface of the inner cavity model by depending on the fluidity and the surface tension of the material to be formed, a vacuum pump of the device is started to exhaust air at the same time, the air exhaust is stopped and the atmospheric pressure is recovered after the material to be formed flows uniformly and the bubble rupture phenomenon is stable, if bubbles exist, an air gun can be used for blowing air towards the bubbles, the film forming the bubbles is thinner and thinner until the bubbles rupture, and the bubbles in the surface material can be removed completely;
and (6): and (3) taking out the inner cavity model coated with a layer of the material to be formed into a film in the step (5), slowly immersing the inner cavity model into water-soluble liquid at the temperature of 60-70 ℃, suspending and fixing for 10-15 minutes to solidify the inner cavity model, and then taking out and drying by using an air heater. Compared with the heating in gas, the inner cavity model is placed in liquid for heating, the curing speed is higher, and the material to be formed into a film is more uniformly adhered to the surface of the inner cavity model;
and (7): and (5) repeating the step (6), curing the multilayer material, controlling the dosage of the material to be film-formed in each coating, standing for the same time after each coating, and allowing the remaining material to adhere to the surface of the inner cavity mold along with the flowing and dripping of the material, so that the thickness of the film formed after the material is cured is basically consistent. It will be appreciated that the specific thickness of the coating layer is determined by the nature of the material, the number of layers applied being determined by the material, and ultimately the desired thickness.
And (8): the inner cavity model is taken out, the inner cavity model can be broken into pieces and then taken out when necessary, for a complex structure, the inner core can be taken out in an environment of 80-90 ℃, and the inner core can be obviously softened in the environment of 80-90 ℃ due to the fact that the inner core material is photosensitive resin, the inner core can be conveniently broken into pieces and then taken out, and finally the needed model is obtained.
In the manufacturing mode of the model, as the silicon rubber material is incompatible with water and can generate buoyancy in aqueous solution, the tension of the coating material can make the coating material flow more uniformly on the surface of the inner cavity model; the inner cavity model is immersed in liquid at the temperature of 60-70 ℃, so that the material to be solidified on the surface of the inner cavity model can uniformly receive the heat of the liquid, and the whole body is synchronously heated and solidified, thereby quickening the solidification time and increasing the stability during the solidification.
The utility model discloses a model making device can be applicable to the simple or complicated tortuous forked model of different shapes, not unidimensional.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.
Claims (10)
1. A modeling apparatus, comprising:
a first case;
the first adjusting mechanism is arranged in the first box body and used for rotatably arranging the inner cavity model in the first box body so as to coat the material to be formed into a film on the surface of the inner cavity model;
the first temperature control mechanism is arranged on the first box body and used for controlling the internal temperature of the first box body so as to enable the material to be formed into a film to be solidified to form a model;
and the vacuumizing mechanism is arranged outside the first box body and is communicated with the inside of the first box body.
2. The modeling apparatus of claim 1, wherein the first temperature control mechanism comprises a heating element located within the first housing and a temperature control plate located outside the first housing, the heating element being electrically connected to the temperature control plate.
3. The modeling apparatus of claim 1, wherein said first adjustment mechanism includes a clamp member for securing the cavity model, and a rotation member coupled to said clamp member for rotating said clamp member.
4. The modeling apparatus of claim 3, wherein the rotating member includes a first rotating member that penetrates an outer wall of one side of the first casing and is connected to the holding member inside the first casing, a second rotating member that is provided on the holding member and is connected to the cavity model, and the second rotating member rotates relative to the holding member.
5. The modeling apparatus of claim 4, wherein the gripping member includes a first gripper, a second gripper, a first lock, and a second lock, wherein the first gripper includes a first portion and a second portion that are angularly disposed, the second gripper includes a third portion and a fourth portion that are angularly disposed, the first portion and the third portion are both coupled to the first rotating member and slide relative to the first rotating member, the second portion is coupled to the other end of the inner cavity model, and the fourth portion is coupled to the second rotating member; the first locking piece and the second locking piece are both connected with the first rotating piece, and when the first locking piece is locked, the first gripper is fixed relative to the first rotating piece; when the second locking piece is locked, the second clamping hand is fixed relative to the first rotating piece.
6. The modeling apparatus of claim 5, wherein said clamping member further includes a slide and a connector, said slide being connected to said second portion and said connector being connected to said fourth portion; the slide bar is connected with the other end of the inner cavity model, and the slide bar can slide along the second part; the connecting piece is fixedly connected with the second rotating piece, the fourth part is provided with a first sliding groove, and the connecting piece is connected in the first sliding groove in a sliding manner; the sliding strip is provided with a sliding opening, the inner cavity model is connected to the sliding opening through a fixing block, and the fixing block can slide in the sliding opening and rotate relative to the sliding opening.
7. The modeling apparatus of claim 1, further comprising:
the second box body is positioned outside the first box body, and a curing solution is contained in the second box body;
the second adjusting mechanism is arranged in the second box body and is used for arranging the inner cavity model coated with the film-forming material in a suspended manner in the second box body;
and the second temperature control mechanism is arranged on the second box body and used for controlling the temperature of the curing solution.
8. The modeling apparatus of claim 7, wherein the second adjustment mechanism includes a first adjustment member, a second adjustment member, and a third adjustment member, the adjustment directions of the first adjustment member, the second adjustment member, and the third adjustment member being perpendicular to each other.
9. The modeling apparatus of claim 8, wherein said first adjustment member includes a longitudinal adjustment member provided on opposite side walls of said second case; the second adjusting part comprises a transverse adjusting part arranged on the longitudinal adjusting part, wherein a second sliding groove is formed in the longitudinal adjusting part, and a sliding block accommodated on the second sliding groove is arranged on the transverse adjusting part; the third adjusting part comprises a fixing part and an adjusting part, the fixing part is fixedly connected with the adjusting part, the fixing part is connected with the inner cavity model, a transverse groove is formed in the transverse adjusting part, and the adjusting part can be slidably accommodated in the transverse groove.
10. The modeling apparatus of claim 9, wherein the adjustment portion has a plurality of first through holes, and the lateral adjustment member has a plurality of second through holes corresponding to the first through holes, wherein the plurality of first through holes are distributed along an extending direction of the adjustment portion, the plurality of second through holes are distributed along an extending direction of the lateral groove, and the adjustment portion and the lateral adjustment member are connected by a pin passing through the first through holes and the second through holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922017261.5U CN211074417U (en) | 2019-11-19 | 2019-11-19 | Model making device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922017261.5U CN211074417U (en) | 2019-11-19 | 2019-11-19 | Model making device |
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| Publication Number | Publication Date |
|---|---|
| CN211074417U true CN211074417U (en) | 2020-07-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922017261.5U Active CN211074417U (en) | 2019-11-19 | 2019-11-19 | Model making device |
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| Country | Link |
|---|---|
| CN (1) | CN211074417U (en) |
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