CN110948645A - Bar manufacturing device - Google Patents
Bar manufacturing device Download PDFInfo
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- CN110948645A CN110948645A CN201911169960.XA CN201911169960A CN110948645A CN 110948645 A CN110948645 A CN 110948645A CN 201911169960 A CN201911169960 A CN 201911169960A CN 110948645 A CN110948645 A CN 110948645A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/24—Producing shaped prefabricated articles from the material by injection moulding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
- B28B11/24—Apparatus or processes for treating or working the shaped or preshaped articles for curing, setting or hardening
- B28B11/243—Setting, e.g. drying, dehydrating or firing ceramic articles
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/16—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on silicates other than clay
- C04B35/22—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on silicates other than clay rich in calcium oxide, e.g. wollastonite
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/60—Aspects relating to the preparation, properties or mechanical treatment of green bodies or pre-forms
- C04B2235/602—Making the green bodies or pre-forms by moulding
- C04B2235/6022—Injection moulding
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/60—Aspects relating to the preparation, properties or mechanical treatment of green bodies or pre-forms
- C04B2235/606—Drying
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
- C04B2235/656—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
- C04B2235/656—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
- C04B2235/6567—Treatment time
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/94—Products characterised by their shape
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/95—Products characterised by their size, e.g. microceramics
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Ink Jet (AREA)
Abstract
The invention discloses a bar manufacturing device. The bar manufacturing device comprises an ink configuration module, an ink pouring module, a bar shaping module, a bar post-processing module and a control module; the control module controls the operation of the ink configuration module, the ink pouring module, the bar shaping module and the bar post-processing module, and all the modules are connected in a seamless mode; the ink configuration module is a first procedure; the ink pouring module is positioned behind the ink configuration module and is used for the second procedure; the ink pouring module and the bar material shaping module act together to form a third working procedure; the bar post-processing module is the last process. Through the cooperation among the four processes, the processing of the bioactive degradable bar is realized semi-automatically. The quality of the bars in the whole manufacturing process is guaranteed, the processing efficiency is high, the cost is low, the device is simple in structure, and the device can be applied to mass production of the bars.
Description
Technical Field
The invention relates to the field of mechanical processing of industrial automatic production lines of medical instruments, in particular to a bar manufacturing device.
Background
Intramedullary nails are a common medical device for treating straight fractures and fractures with slight curvature. The current intramedullary nail in clinical application is mainly made of stainless steel and titanium alloy, and has a plurality of problems, such as high mechanical strength and high stress shielding effect; after being implanted into the body, toxic ions or ions are released to cause chronic inflammation; poor biological activity and lack of stimulation on fracture healing; will not be degraded in vivo, needs to be taken out by secondary operation, increases the economic burden and pain of patients, and the like. Therefore, many scientists are studying absorbable bioactive intramedullary nails, but the current clinical absorbable instruments are basically made of polymer materials, such as polylactic acid, polyvinyl alcohol and the like, the strength and the height are high, the mechanical property is difficult to meet the requirements, and acidic substances generated in the absorption process can also cause rejection reaction.
Therefore, there is a need to create a high strength bioactive degradable intramedullary nail implant that gradually disintegrates in vivo as the bone heals, does not require surgical removal, is non-toxic, has good bioactivity, and promotes bone healing.
Conventional biodegradable bioactive implant manufacturing relies on manual operation of people, wastes time and energy, and sample quality is difficult to guarantee moreover, and there is difference between the sample of same people's production, also there is difference between the sample of different people's production, and the sample of machine automated production does not have the difference almost, and the machine can be for a long time, reliable work moreover, and this point people hardly accomplishes.
Disclosure of Invention
The present invention provides a bar manufacturing apparatus for overcoming the above-mentioned disadvantages of the prior art.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows: a rod manufacturing apparatus, characterized by comprising: the device comprises an ink configuration module, an ink pouring module, a bar shaping module, a bar post-processing module and a control module.
The control module controls the operation of the ink configuration module, the ink pouring module, the bar shaping module and the bar post-processing module, and all the modules are connected in a seamless mode.
The ink configuration module is a first process.
The ink pouring module is positioned behind the ink configuration module and is the second procedure.
The ink pouring module and the bar material shaping module act together to form a third working procedure.
The bar post-processing module is the last process.
Preferably, the ink configuration module includes a fixed frame, a movable shaft fixed on the fixed frame, a movable frame fixedly mounted on the movable shaft, a stirring motor fixedly mounted on the movable frame, a stirring rod fixedly mounted on the stirring motor, a blade mounted at the end of the stirring rod, a clamping device movably mounted on the fixed frame, and a container. During operation, the container is located under the stirring motor, the clamping device is used for fixing the container, the biological material, the binder, the dispersing agent, the defoaming agent and the deionized water are added into the container, the blades are well adjusted, the movable frame is driven by the movable shaft to move downwards, namely the stirring motor is driven to move downwards, so that the blades are soaked in the aqueous solution in the container, and then the control module controls the stirring motor to rotate, so that the solution in the container is uniformly mixed.
Further, the biomaterial may be silicate, phosphate, calcium magnesium silicate powder, etc., the binder may be polyvinyl alcohol, carboxymethyl cellulose, etc., the dispersant may be polyacrylic acid, and the defoaming agent may be Surfynol.
Furthermore, the concentration of the polyvinyl alcohol is 5-20%, the concentration of the carboxymethyl cellulose is 0.5-6%, the mass percentage of all materials in the biological ink is 50-60% of biological materials, 1-4% of binders, 0.3-0.9% of dispersing agents and 0.3-0.9% of defoaming agents, and the balance is deionized water.
Further, the blades are combined and can be expanded outwards to generate a larger rotating radius which can be 2, 3 or more.
Furthermore, the blades may be extended in the radial direction to change the radius of rotation, or may be rotated outward in the circumferential direction to change the radius of rotation.
Preferably, the ink pouring module comprises a base, a rotating motor fixedly mounted on the base, a support frame fixedly mounted on the rotating motor, a turnover mechanism fixedly mounted on the support frame, and an ink feeding unit fixedly mounted on the turnover mechanism.
The ink feeding unit comprises a moving mechanism, a power source fixedly arranged on the moving mechanism, a liquid storage cavity and a nozzle movably arranged at the end part of the liquid storage cavity.
The moving mechanism can be a motor driving device, a hydraulic driving device or a pneumatic driving device.
The power source can be a motor driving unit, such as a motor driving a screw rod, the screw rod driving a piston, or a pneumatic driving unit.
During operation, foretell rotating electrical machines drives the support frame rotatory for the ink feeds the unit and is located the top of above-mentioned container, then moving mechanism drives above-mentioned nozzle downstream, make the nozzle enter into the solution in the container, foretell power supply inhales the solution in the container to the above-mentioned stock solution intracavity after that, when solution in the stock solution intracavity was full, moving mechanism drives nozzle upstream, leaves the container, rotating electrical machines drives the support frame and rotates the assigned position, tilting mechanism drives the 180 degrees rotations of ink feeding unit, make the nozzle up, wait for next process.
Furthermore, the number of the ink feeding units is 1, and can be 2, or even 4. If the number of the second working procedures is 1, after the second working procedure is finished, and after the third working procedure is finished, repeating the second working procedure; if the number of the second working procedure is 2, the second working procedure and the third working procedure can be carried out simultaneously, so that the processing efficiency is improved; if 4, can 2 one set, the second process is gone on with the third process simultaneously in every group, carries out 2 third processes simultaneously, has 2 processing lines promptly.
Preferably, the rod stock module include the die cavity of deciding, be used for fixing the clamping mechanism of die cavity of deciding, fix the removal base below clamping mechanism, be located the transport mechanism of removal base below to and freezing unit. When the device works, the fixed cavity is fixed by the clamping mechanism, the ink feeding unit in the ink pouring module moves to the position right below the fixed cavity, the nozzle moves upwards to prop against the fixed cavity under the movement of the moving mechanism, and then the power source extrudes the solution in the liquid storage cavity and enters the fixed cavity through the nozzle. When the shaping cavity is filled with the solution, the nozzle is separated from the shaping cavity under the driving of the moving mechanism, the moving base drives the clamping mechanism to move, namely, the shaping cavity is driven to move, when the shaping cavity moves to the upper part of the conveying mechanism, the clamping mechanism loosens the shaping cavity, the shaping cavity falls on the conveying mechanism and is horizontally placed, and under the driving of the conveying mechanism, the shaping cavity moves into the freezing unit to be frozen for a plurality of hours to wait for the next procedure. When the first fixed cavity leaves, the second fixed cavity moves to the position right above the nozzle synchronously, and the solution filling process of the fixed cavity is carried out again so as to reciprocate. When the solution in the liquid storage cavity is insufficient, the ink feeding unit does not fill the solution in the shaping cavity any more, the ink feeding unit returns to the upper part of the container again under the driving of the rotating motor, the turnover mechanism drives the ink feeding unit to rotate for 180 degrees, the second procedure is started, and then the third procedure is started again.
Furthermore, the fixed cavity is in the shape of a hollow cylinder, can be a quartz tube or a glass tube and the like, and has the wall thickness of 0.5-5 mm.
Further, the freezing temperature is 50 ℃ below zerooC-80oC, freezing for 2-12 hours.
Preferably, the bar post-treatment module comprises freeze drying, demoulding and high-temperature calcination, wherein the calcination temperature is 1000 DEG CoC-1200oAnd C, keeping the temperature for 2-5 hours, and optionally, a muffle furnace. When the device works, after the freezing process of the third procedure is finished, the sample is put into a freeze dryer for vacuumizing, after the freeze drying is finished, the device is demoulded, the bar blank is taken out from the sizing cavity, and then the bar blank is put into a high-temperature furnace for high-temperature calcination.
Furthermore, the diameter of the bar blank can be directly changed by changing the inner diameter of the setting cavity, so that the size of the final bar is influenced, and the size of the setting cavity is easy to change, so that the bar with any size can be easily manufactured. After the fixed cavity is replaced, the nozzle is also replaced correspondingly.
The bar manufacturing device of the invention is characterized in that the calculated component of each component in the solution is added into a container in advance, then the first procedure is started, after the solution is prepared, the second procedure is started to absorb the solution into a liquid storage cavity of an ink feeding unit, then the third procedure is started, the solution is filled into a shaping cavity for shaping, and finally the bar is obtained through the fourth procedure. The first three processes are automatically completed and are operated in a streamlined manner.
Compared with the prior art, the invention has the following advantages:
the device can be used for manufacturing bioactive degradable bars, makes up the defects of degradable polymer materials, and has good straightness and uniform cross section.
The device can efficiently and semi-automatically complete the processing and manufacturing process of the bar aiming at the degradable bar, and has the advantages of simple structure and low manufacturing cost.
The device can freely change the rotating radius of the blades through the design of the combined blades, is suitable for containers with different diameters, and can realize the preparation of solutions with different volumes.
The device of the invention is semi-automatic in processing the bar, the first three processes are automatic in operation, the processing quality and repeatability of the bar are completely guaranteed, a large amount of bars can be manufactured, and the device has wide application prospect.
Drawings
FIG. 1 is a schematic view of a bar manufacturing apparatus according to the present invention;
FIG. 2 is a schematic diagram of an ink dispensing module according to the present invention;
FIG. 3 is a schematic view of a blade configuration of the present invention;
FIG. 4 is a schematic view of another blade configuration of the present invention;
FIG. 5 is a schematic representation of an ink casting module configuration of the present invention;
FIG. 6 is a schematic view of the bar sizing module structure of the present invention;
in the figure: the device comprises an ink configuration module 1, an ink pouring module 2, a bar shaping module 3, a bar post-processing module 4, a freeze drying module 5, a demoulding module 6, a high-temperature calcining module 7, a control module 8, a shaping cavity 9, an ink feeding unit 10, a container 11, a fixed frame 12, a moving shaft 13, a movable frame 14, a stirring motor 15, a stirring rod 16, a blade 17, a clamping device 18, a nozzle 19, a liquid storage cavity 20, a power source 21, a moving mechanism 22, a turnover mechanism 23, a support frame 24, a rotating motor 25, a base 26, a clamping mechanism 27, a moving base 28, a conveying mechanism 29 and a freezing unit 30.
Detailed Description
The following examples are given for the detailed implementation and specific operation of the present invention, but the scope of the present invention is not limited to the following examples.
As shown in fig. 1, a bar manufacturing apparatus includes: the device comprises an ink configuration module 1, an ink pouring module 2, a bar shaping module 3, a bar post-processing module 4 and a control module 8;
the control module 8 controls the operation of the ink configuration module 1, the ink pouring module 2, the bar shaping module 3 and the bar post-processing module 4, and all the modules are connected in a seamless manner;
the ink configuration module 1 is a first process;
the ink pouring module 2 is positioned behind the ink configuration module 1, and is a second procedure;
the ink pouring module 2 and the bar shaping module 3 act together to form a third working procedure;
the bar post-processing module 4 is the last process.
As shown in fig. 2, the ink dispensing module 1 includes a fixed frame 12, a movable shaft 13 fixed on the fixed frame 12, a movable frame 14 fixedly installed on the movable shaft 13, a stirring motor 15 fixedly installed on the movable frame 14, a stirring rod 16 fixedly installed on the stirring motor 15, a blade 17 installed at the end of the stirring rod 16, a clamping device 18 movably installed on the fixed frame 12, and a container 11. During operation, the container 11 is located under the stirring motor 15, the container 11 is fixed by the clamping device 18, biological materials, a binder, a dispersing agent, a defoaming agent and deionized water are added into the container 11, the blades 17 are well adjusted, the movable frame 14 is driven by the movable shaft 13 to move downwards, namely the stirring motor 15 is driven to move downwards, the blades 17 are soaked in the aqueous solution in the container 11, and then the control module 8 controls the stirring motor 15 to rotate, so that the solution in the container 11 is uniformly mixed.
Further, the biomaterial may be silicate, phosphate, calcium magnesium silicate powder, etc., the binder may be polyvinyl alcohol, carboxymethyl cellulose, etc., the dispersant may be polyacrylic acid, and the defoaming agent may be Surfynol.
Furthermore, the concentration of the polyvinyl alcohol is 5-20%, the concentration of the carboxymethyl cellulose is 0.5-6%, the mass percentage of all materials in the biological ink is 50-60% of biological materials, 1-4% of binders, 0.3-0.9% of dispersing agents and 0.3-0.9% of defoaming agents, and the balance is deionized water.
As shown in fig. 3 and 4, the blades 17 are combined and can be expanded outwards to generate a larger rotation radius, and can be 2, 3 or more.
Further, the blades may be extended in a radial direction to change a radius of rotation, or may be rotated outward in a circumferential direction to change the radius of rotation.
As shown in fig. 5, the ink pouring module 2 includes a base 26, a rotating motor 25 fixedly mounted on the base 26, a supporting frame 24 fixedly mounted on the rotating motor 25, a turnover mechanism 23 fixedly mounted on the supporting frame 24, and an ink feeding unit 10 fixedly mounted on the turnover mechanism 23;
the ink feeding unit 10 comprises a moving mechanism 22, a power source 21 fixedly arranged on the moving mechanism 22, a liquid storage cavity 20 and a nozzle 19 movably arranged at the end part of the liquid storage cavity 20;
the moving mechanism 22 may be a motor driving device, a hydraulic driving device, or a pneumatic driving device;
the power source 21 may be a motor driving unit, such as a motor driving a lead screw, the lead screw driving a piston, or a pneumatic driving unit.
When the ink container is in operation, the rotating motor 25 drives the supporting frame 24 to rotate, so that the ink feeding unit 10 is located above the container 11, then the moving mechanism 22 drives the nozzle 19 to move downwards, so that the nozzle 19 enters the solution in the container 11, then the power source 21 sucks the solution in the container 11 into the liquid storage cavity 20, when the liquid storage cavity 20 is filled with the solution, the moving mechanism 22 drives the nozzle 19 to move upwards, the nozzle leaves the container 11, the rotating motor 25 drives the supporting frame 24 to rotate to a specified position, and the turnover mechanism 23 drives the ink feeding unit 10 to turn over 180 degrees, so that the nozzle 19 faces upwards, and the next process is waited.
Further, the number of the ink feeding units 10 is 1, 2, or even 4. If the number of the second working procedures is 1, after the second working procedure is finished, and after the third working procedure is finished, repeating the second working procedure; if the number of the second working procedure is 2, the second working procedure and the third working procedure can be carried out simultaneously, so that the processing efficiency is improved; if 4, can 2 one set, the second process is gone on with the third process simultaneously in every group, carries out 2 third processes simultaneously, has 2 processing lines promptly.
As shown in fig. 6, the rod shaping module 3 includes a shaping cavity 9, a clamping mechanism 27 for fixing the shaping cavity 9, a moving base 28 fixed below the clamping mechanism 27, a conveying mechanism 29 located below the moving base 28, and a freezing unit 30. When the ink pouring device works, the fixed cavity 9 is fixed by the clamping mechanism 27, the ink feeding unit 10 in the ink pouring module 2 moves to the position right below the fixed cavity 9, the nozzle 19 moves upwards to abut against the fixed cavity 9 under the movement of the moving mechanism 22, and then the power source 21 extrudes the solution in the liquid storage cavity 20 and enters the fixed cavity 9 through the nozzle 19. When the fixed cavity 9 is filled with solution, the nozzle 19 is separated from the fixed cavity 9 under the drive of the moving mechanism 22, the moving base 28 drives the clamping mechanism 27 to move, namely, the fixed cavity 9 is driven to move, when the fixed cavity 9 moves to the upper part of the conveying mechanism 29, the clamping mechanism 27 releases the fixed cavity 9, the fixed cavity 9 falls on the conveying mechanism 29 and is horizontally placed, the fixed cavity 9 moves to the freezing unit 30 under the drive of the conveying mechanism 29, and the next process is waited for after a plurality of hours of freezing. When the first fixed cavity leaves, the second fixed cavity moves to the position right above the nozzle synchronously, and the solution filling process of the fixed cavity is carried out again so as to reciprocate. When the solution in the liquid storage cavity 20 is insufficient, the ink feeding unit 10 does not fill the shaping cavity 9 with the solution, the ink feeding unit 10 returns to the upper side of the container 11 again under the driving of the rotating motor 25, the turnover mechanism 23 drives the ink feeding unit 10 to rotate 180 degrees, the second process is started, and then the third process is started again.
Furthermore, the shaping cavity 9 is in the shape of a hollow cylinder, can be a quartz tube or a glass tube, and has a wall thickness of 0.5-5 mm.
Further, the freezing temperature is 50 ℃ below zerooC-80oC, freezing for 2-12 hours.
Preferably, the bar post-treatment module 4 comprises a freeze-drying 5, a demoulding 6 and a high-temperature calcination 7, wherein the calcination temperature is 1000 DEG CoC-1200oAnd C, keeping the temperature for 2-5 hours, and optionally, a muffle furnace. When the device works, after the freezing process of the third procedure is finished, the sample is put into a freeze dryer for vacuumizing, after the freeze drying is finished, the device is demoulded, the bar blank is taken out from the sizing cavity, and then the bar blank is put into a high-temperature furnace for high-temperature calcination.
Furthermore, the diameter of the bar blank can be directly changed by changing the inner diameter of the setting cavity, so that the size of the final bar is influenced, and the size of the setting cavity is easy to change, so that the bar with any size can be easily manufactured. After the fixed cavity is replaced, the nozzle is also replaced correspondingly.
The bar manufacturing device of the invention is characterized in that the calculated component of each component in the solution is added into a container in advance, then the first procedure is started, after the solution is prepared, the second procedure is started to absorb the solution into a liquid storage cavity of an ink feeding unit, then the third procedure is started, the solution is filled into a shaping cavity for shaping, and finally the bar is obtained through the fourth procedure. The first three processes are automatically completed and are operated in a streamlined manner.
The specific embodiment is as follows: the device of the invention specifically processes the bar materials as follows: firstly, carrying out a first process, adding all the materials into a container 11 according to the mass percentage of 56% of calcium silicate powder, 2.5% of polyvinyl alcohol, 0.5% of polyacrylic acid, 0.5% of Surfynol and 40.5% of deionized water, fixing the container 11 by a clamping device 18, controlling a moving shaft 13 by a control module 8 to drive a blade 17 to move downwards into the container 11, driving the blade 17 to rotate by a stirring motor 15, and stirring for a period of time to obtain uniform biological ink; then, starting the second process and the third process, the rotating motor 25 drives the supporting plate 24 to rotate, so that the ink feeding unit 10 is positioned right above the container 11, then the moving mechanism 22 drives the nozzle 19 to move into the bio-ink, the power source 21 works to make the bio-ink enter the liquid storage cavity 20 and be filled, the power source 21 stops working, the moving mechanism 22 drives the nozzle 19 to move upwards, the rotating motor 25 drives the ink feeding unit 10 to rotate right below the fixed cavity 9, the inner diameter of the fixed cavity is 12.8mm, the wall thickness is 2mm, the turnover mechanism 23 works to make the ink feeding unit 10 rotate 180 degrees, the nozzle 19 moves from the lowest surface to the uppermost surface, the moving mechanism 22 drives the nozzle 19 to move upwards to prop against the fixed cavity 9, the power source 21 works to make the bio-ink in the liquid storage cavity 20 flow into the fixed cavity 9 through the nozzle 19, when the fixed cavity 9 is filled with the bio-ink, the power source 21 stops working, and the moving mechanism 22 drives the nozzle 19 to move downwards for a certain distanceThe movable base 28 drives the fixed cavity 9 to move forward, the second fixed cavity moves to the position above the nozzle 19, the previous steps are continuously repeated, the given cavity 9 is filled with biological ink, when the fixed cavity 9 moves to the position above the conveying mechanism 29, the clamping mechanism 27 releases the fixed cavity 9, the fixed cavity 9 falls onto the conveying mechanism 29, the fixed cavity 9 moves to the freezing unit 30 under the driving of the conveying mechanism 29, and the fixed cavity 9 moves to the position-80oC, quick-freezing for 12 hours in the environment; finally, starting a fourth process, placing the shaping cavity in a freeze dryer, vacuumizing, demolding, taking out the bar blank from the shaping cavity, placing the bar blank in a high-temperature furnace, and performing 1150 processesoAnd C, calcining at high temperature for 3 hours, and cooling to obtain a calcium silicate bar with the diameter of 10mm and the length of 100 mm.
Claims (8)
1. A rod manufacturing apparatus, characterized by comprising: the device comprises an ink configuration module, an ink pouring module, a bar shaping module, a bar post-processing module and a control module;
the control module controls the operation of the ink configuration module, the ink pouring module, the bar shaping module and the bar post-processing module, and all the modules are connected in a seamless mode;
the ink configuration module is a first procedure;
the ink pouring module is positioned behind the ink configuration module and is used for the second procedure;
the ink pouring module and the bar material shaping module act together to form a third working procedure;
the bar post-processing module is the last process.
2. The rod manufacturing apparatus according to claim 1, wherein the ink distribution module comprises a fixed frame, a movable shaft fixed to the fixed frame, a movable frame fixedly installed to the movable shaft, a stirring motor fixedly installed to the movable frame, a stirring rod fixedly installed to the stirring motor, a blade installed to an end of the stirring rod, a clamping device movably installed to the fixed frame, and a container.
3. The rod manufacturing apparatus according to claim 1, wherein the ink pouring module comprises a base, a rotating motor fixedly installed on the base, a supporting frame fixedly installed on the rotating motor, a tilting mechanism fixedly installed on the supporting frame, and an ink feeding unit fixedly installed on the tilting mechanism;
the ink feeding unit comprises a moving mechanism, a power source fixedly arranged on the moving mechanism, a liquid storage cavity and a nozzle movably arranged at the end part of the liquid storage cavity;
the moving mechanism is a motor driving device, a hydraulic driving device or a pneumatic driving device;
the power source is a motor driving unit or a pneumatic driving unit.
4. The apparatus of claim 1, wherein the rod shaping module comprises a shaping cavity, a clamping mechanism for fixing the shaping cavity, a movable base fixed below the clamping mechanism, a conveying mechanism located below the movable base, and a freezing unit.
5. The rod manufacturing apparatus of claim 1 wherein the rod post-treatment module comprises freeze-drying, de-molding and high-temperature calcination at a temperature of 1000 foC-1200oAnd C, keeping the temperature for 2-5 hours.
6. The rod manufacturing apparatus of claim 2, wherein said blades are modular and are outwardly expandable to create a larger radius of rotation.
7. The rod manufacturing apparatus according to claim 3, wherein the number of the ink feeding units is one, two or four.
8. The apparatus of claim 4, wherein the molding cavity is a hollow cylinder, and is a quartz tube or a glass tube having a wall thickness of 0.5-5 mm.
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