CN116329361A - Method, device, equipment and medium for preparing sheet based on fluid impact - Google Patents
Method, device, equipment and medium for preparing sheet based on fluid impact Download PDFInfo
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- CN116329361A CN116329361A CN202310567331.2A CN202310567331A CN116329361A CN 116329361 A CN116329361 A CN 116329361A CN 202310567331 A CN202310567331 A CN 202310567331A CN 116329361 A CN116329361 A CN 116329361A
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Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D26/00—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces
- B21D26/02—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces by applying fluid pressure
- B21D26/021—Deforming sheet bodies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D26/00—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces
- B21D26/02—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces by applying fluid pressure
- B21D26/021—Deforming sheet bodies
- B21D26/027—Means for controlling fluid parameters, e.g. pressure or temperature
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
Abstract
The invention discloses a method, a device, equipment and a medium for preparing a sheet based on fluid impact, wherein the method comprises the following steps: a flushing-resistant part is configured; mixing a material to be flaked and a fluid to be pressurized into a fluid to be output; collecting fluid to be output, pressurizing and injecting the collected fluid to be output to the impact-resistant part, and impacting the pressurized and injected fluid to be output with the impact-resistant part; carrying out sheet-like deformation on the material to be sheet-like in the fluid to be output through impact, and collecting the sheet-like deformed material to be sheet-like as a formed micro sheet-like object; the method can be used for rapidly converting the tiny spherical extension material into the sheet material by adopting a high-pressure high-speed liquid flow impact forming method, has higher preparation efficiency, short preparation time, and is controlled by uniform liquid flow pressure and flow velocity, so that the formed sheet material has higher regularity, and the finally produced sheet material also has wider application range, low processing cost, strong universality and higher application value.
Description
Technical Field
The invention relates to the technical field of new material processing and preparation, in particular to a method, a device, equipment and a medium for preparing a sheet based on fluid impact, which are applied to the technical field of sheet material forming.
Background
At present, more new materials can be put into corresponding industrial applications after being molded, for example: after the metal material is subjected to sheet forming processing, the obtained micro sheet material is applied to the new material industry to improve the covering, reflecting, refracting, scattering and other performances of the material, obtain good electrical performance, improve the compactness of the inside of the material, improve the bonding strength of the material, realize better chemical stability and the like, and be suitable for industrial production and manufacture in different occasions;
the sheet processing scheme of the material in the prior art comprises the following specific steps:
the nano silver sheet is prepared by adopting a centrifugal separation mode after chemical synthesis as disclosed in the application number CN 113084184;
the preparation method of the flaky silver powder and the low-resistance conductive paste containing the silver powder disclosed in the application number CN115570128A sequentially perform grinding, cooling and separation post-treatment on spherical silver powder to obtain corresponding flaky silver powder;
in the above-mentioned publications, the manner of producing the sheet material is carried out by a chemical synthesis method or a long-time ball milling method, respectively, and the two methods have the following problems:
in the first aspect, the ball milling method has simple principle, but the ball milling and grinding process is long, and usually can be completed in several hours or tens of hours, so that the processing efficiency is extremely low; furthermore, the ball milling process is not uniform, and the milling effect is random, so that the finally processed flaky material has low regularity and poor batch stability, and cannot be applied to the field with higher precision requirements;
in the second aspect, although the chemical synthesis method does not need to perform long-time grinding work, a more complex formula needs to be configured in the chemical method, the manufacturing process is more complex, the shape and the size of a final finished product cannot be accurately controlled, and the method is mainly applied to laboratories and has low applicability in the industrial field;
in the third aspect, some atomization methods exist in the prior art for preparing flaky powder, but the method has higher requirements on equipment, higher cost and higher energy consumption, and is not suitable for batch industrial production;
in summary, the existing sheet material processing and preparing method has the problems of low processing efficiency, low processing regularity, high processing cost and low applicability.
Disclosure of Invention
The invention aims to solve the problems in the prior art, and provides a method, a device, equipment and a medium for preparing a sheet based on fluid impact, which further solve the problems of low processing efficiency, low processing regularity, high processing cost and lower applicability of a sheet material processing and preparing mode in the prior art.
In order to solve the technical problems, the specific technical scheme of the invention is as follows:
in one aspect, the present invention provides a method of preparing a fluid impact-based tablet, comprising the steps of:
a flushing-resistant part is configured;
mixing a material to be flaked and a fluid to be pressurized into a fluid to be output;
collecting the fluid to be output, and pressurizing and injecting the collected fluid to be output to the impact resistant part, wherein the pressurized and injected fluid to be output impacts the impact resistant part;
and carrying out sheet-shaped deformation on the material to be sheet-shaped in the fluid to be output through impact, and collecting the sheet-shaped deformed material to be sheet-shaped as a formed micro sheet-shaped object.
As an improvement, the pressurized injection of the collected fluid to be output to the impact resistant part further includes:
setting a first pressure adjusting range and a first flow adjusting range;
setting a sub-pressure interval according to the first pressure regulation range;
setting a sub-flow speed interval according to the first flow speed adjusting range;
and pressurizing and injecting the collected fluid to be output to the impact resistant part according to the pressure corresponding to the sub-pressure interval and the flow rate corresponding to the sub-flow rate interval.
As an improvement, the pressurized injection of the collected fluid to be output to the impact resistant part further includes:
obtaining the molding area requirement of the sheet-shaped object;
adjusting the sub-flow speed interval or the sub-pressure interval according to the sheet forming area requirement;
when the sub-flow speed interval or the sub-pressure interval is regulated, the area size of the sub-flow speed interval or the sub-pressure interval and the area requirement of the sheet forming area are positively correlated.
As an improvement, the collecting the sheet-shaped deformed material to be sheet-shaped as a formed fine sheet comprises:
setting a particle size distribution span interval and a forming size interval;
setting a tap density interval according to the material quality of the material to be sliced;
setting a specific surface area interval according to the material quality of the material to be sliced;
screening the sheet-shaped deformed material to be produced, which is matched with the particle size distribution span interval, the forming size interval, the tap density interval and the specific surface area interval, as the forming micro sheet-shaped object.
As an improvement, the first pressure adjustment range includes: 20-500 mpa;
the first flow adjustment range includes: 30-1000 m/s;
the sub-pressure interval is: 80-300 mpa;
the sub-flow speed interval is: 300-700 m/s;
the particle size distribution span interval is as follows: 0.7-2;
the molding size interval is as follows: 5 nm-20 um;
the tap density interval is: 1-6 g/cm 3 ；
The specific surface area interval is as follows: 0.2-6 m 2 /g。
As an improvement, the fluid to be pressurized is: one or more of water, diluent and suspending agent.
In another aspect, the present invention also provides a fluid impact-based sheet preparation apparatus, comprising:
the device comprises a pressurizing unit, a control unit, a feeding unit and a tabletting and forming unit, wherein the feeding unit and the tabletting and forming unit are respectively connected to the pressurizing unit;
the sheet-making forming unit is provided with the impact-resistant part;
the pressurizing unit stores the fluid to be pressurized;
the feeding unit is used for configuring a material to be tabletted and feeding the material to be tabletted into the pressurizing unit;
the pressurizing unit is used for mixing the material to be flaked fed by the feeding unit with the fluid to be pressurized to obtain the fluid to be output; the slice forming unit is used for converging the fluid to be output, and is matched with the pressurizing unit to pressurize and jet the converged fluid to be output to the impact resistant part, and the pressurized and jetted fluid to be output impacts the impact resistant part; carrying out sheet-like deformation on the material to be sheet-like in the fluid to be output through impact, and collecting the sheet-like deformed material to be sheet-like as a formed micro sheet-like object;
the control unit is used for setting the first pressure adjusting range, the first flow speed adjusting range, the sub-pressure interval and the sub-flow speed interval.
As an improvement, the tablet forming unit includes: a sheet-forming cavity, a wash-resistant plate arranged in the sheet-forming cavity and a feeder;
the sheet-making forming cavity is arranged close to the pressurizing unit, and the impact-resistant plate and the conveyer are respectively arranged at two side positions in the sheet-making forming cavity;
the impact-resistant plate is arranged on one surface of the impact-resistant plate, which faces the feeder, and is vertical and arranged along the inner wall of the sheet-making forming cavity, and two ends of the impact-resistant plate are connected with the inner wall of the sheet-making forming cavity through fixing pieces;
the material conveying device is arranged close to the sheet-making forming cavity, a material conveying opening of the material conveying device faces the impact-resistant plate, a nozzle facing the impact-resistant plate is sleeved on the material conveying opening, and the output caliber of the nozzle is smaller than that of the material conveying opening;
a distance is arranged between the nozzle and the impact-resistant plate;
the bottom of the slice-making forming cavity is connected with a discharge pipe communicated with the inside of the slice-making forming cavity;
the nozzle is used for converging the fluid to be output;
the discharging pipe is used for discharging the sheet-shaped deformed material to be produced into the sheet-shaped forming cavity.
In another aspect, the present invention also provides a computer readable storage medium having stored thereon a computer program which, when executed by a processor, performs the steps of the fluid impact based sheet preparation method.
In another aspect, the present invention further provides a computer device, where the computer device includes a processor, a communication interface, a memory, and a communication bus, where the processor, the communication interface, and the memory complete communication with each other through the communication bus; wherein:
the memory is used for storing a computer program;
the processor is configured to execute the steps of the fluid impact-based sheet preparation method by running a program stored on the memory.
The technical scheme of the invention has the beneficial effects that:
the preparation method of the sheet based on fluid impact can realize the adoption of a high-pressure high-speed liquid impact forming method, can quickly convert the tiny spherical extension material into the sheet material, has higher preparation efficiency, is short in preparation time, is controlled by uniform liquid pressure and flow velocity, ensures that the formed sheet material has higher regularity, further ensures that the finally produced sheet material also has wider application range, low processing cost and strong universality, and has higher application value.
The tablet preparation device based on fluid impact can be matched with the pressurizing unit, the control unit, the feeding unit and the tablet forming unit, so that the tablet preparation method based on fluid impact can be further realized.
The computer readable storage medium can realize the coordination of the guide pressurizing unit, the control unit, the feeding unit and the tablet forming unit, so as to realize the fluid impact-based tablet preparation method, and the computer readable storage medium can also effectively improve the operability of the fluid impact-based tablet preparation method.
The computer equipment can store and execute the computer readable storage medium, so as to realize the method for preparing the sheet based on fluid impact.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic flow chart of a method for preparing a sheet based on fluid impact according to example 1 of the present invention;
FIG. 2 is a schematic perspective view of a sheet preparation apparatus based on fluid impact according to embodiment 2 of the present invention;
FIG. 3 is a schematic perspective view of the tablet forming unit of example 2 of the present invention in operation;
FIG. 4 is a schematic SEM image of the plate-like silver powder produced in example 1 of the present invention;
FIG. 5 is a schematic diagram of a computer device according to embodiment 4 of the present invention;
the labels in the drawings are illustrated as follows:
1. a sheet-making and forming unit; 10. forming a fine sheet; 11. a material to be tabletted; 12. a flushing-resistant part; 13. a fixing member; 14. tabletting and molding cavities; 15. a nozzle; 16. a feeder; 17. a discharge pipe; 18. a horizontal direction channel;
2. a feeding unit; 21. a feed cylinder; 22. a feed regulator;
3. a pressurizing unit; 31. a liquid inlet pipe; 32. a pressurizing device; 33. a pipe; 34. a reservoir; 35. a supercharging device;
4. a control unit;
1501. a processor; 1502. a communication interface; 1503. a memory; 1504. a communication bus.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present invention.
In the description of the present invention, it should be noted that the described embodiments of the present invention are some, but not all embodiments of the present invention; all other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The terms first, second and the like in the description and in the claims and in the above-described figures, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments described herein may be capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, apparatus, article, or device that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed or inherent to such process, method, article, or device.
Example 1
The present embodiment provides a method for preparing a sheet based on fluid impact, as shown in fig. 1 and 4, comprising the steps of:
s100, configuring a flushing-resistant part; the impact-resistant part is used as a bearing area for bearing high-pressure fluid in the method;
s200, mixing a material to be tabletted and a fluid to be pressurized into a fluid to be output;
s300, collecting the fluid to be output, and pressurizing and injecting the collected fluid to be output to the impact resistant part, wherein the pressurized and injected fluid to be output impacts the impact resistant part;
s400, carrying out sheet-shaped deformation on the material to be sheet-shaped in the fluid to be output through impact, and collecting the sheet-shaped deformed material to be sheet-shaped as a formed micro sheet-shaped object. In the method, the material to be formed is impacted and formed into a sheet material mainly by mixing the material with liquid, and impacting the material to be formed with a receiving area through high-pressure liquid flow; optionally, the material to be tabletted is spherical/blocky fine extension material; the fluid to be pressurized is selected from a liquid, such as one or more of water, a diluent and a suspending agent;
as one embodiment of the present invention, the pressurizing and injecting the collected fluid to be output to the impact resistant portion further includes: setting a first pressure adjusting range and a first flow adjusting range; the first pressure adjustment range and the first flow adjustment range are respectively a liquid flow pressurization pressure requirement and a liquid flow velocity requirement for forming work; normally, the first pressure adjusting range is set to 20-500 mpa, and the liquid flow pressurizing pressure is adjusted in the range; the first flow speed adjusting range is set to be 30-1000 m/s, and the flow speed of the liquid flow is adjusted in the range; in practical application, in order to achieve better sheeting effect, a better pressure interval and a better flow rate interval are required, so that a sub-pressure interval is set according to the first pressure adjusting range; the sub-pressure interval is preferably 80-300 mpa; setting a sub-flow speed interval according to the first flow speed adjusting range; the sub-flow speed interval is preferably 300-700 m/s; and then pressurizing and injecting the collected fluid to be output to the impact resistant part according to the pressure corresponding to the sub-pressure interval and the flow rate corresponding to the sub-flow rate interval. In the embodiment, the jet of the fluid is designed to have a nozzle for collecting the liquid flow, and the nozzle is provided with a jet hole, so that the diffusion range of the jet liquid flow can be better enlarged, and on one hand, the forming efficiency and effect of the sheet-shaped object can be improved; in practical application, the liquid flow is controlled to be pressurized according to the parameters, so that the high-speed fluid to be pressurized and the material to be flaked are fully and uniformly mixed to form fluid to be output, wherein the material to be flaked is uniformly distributed; then the mixed liquid fluid is ejected at a high speed, the material in the fluid and the impact-resistant part are impacted and collided strongly, the impact strength exceeds the yield strength of the material, the material is further deformed plastically, and at the moment, the material is formed into a sheet shape from a spherical shape or a block shape of fine particles, so that the whole process is completed;
as one embodiment of the present invention, the pressurizing and injecting the collected fluid to be output to the impact resistant portion further includes: obtaining the molding area requirement of the sheet-shaped object; the forming area requirement of the sheet material is that the unfolding area of the sheet material to be prepared is large or small; adjusting the sub-flow speed interval or the sub-pressure interval according to the sheet forming area requirement; when the sub-flow speed interval or the sub-pressure interval is regulated, the area size of the sub-flow speed interval or the sub-pressure interval and the area requirement of the sheet forming area are positively correlated. In this embodiment, the positive correlation means that, when the flow rate of the liquid stream is adjusted according to the requirement of sheeting, and the flow rate increases, the impact strength of the impact increases, and the larger the spreading area of the sheet-like formation of the material, the flatter the shape of the formed sheet, and when the flow rate decreases, the smaller the impact strength of the impact, the smaller the spreading area of the formed sheet, and the lower the flatness of the shape thereof;
as one embodiment of the present invention, the collecting the sheet-shaped deformed material to be tableted as a molded fine sheet comprises: when in use, the produced material is combined with liquid when being thinned to a certain degree, thus affecting the sheeting effect, so that a certain parameter interval is required to be set for screening the formed material, the screened material is taken as a final sheet product,the following are provided: setting a particle size distribution span interval and a forming size interval; the sheet material prepared by the method has high regularity, the particle size distribution SPAN is low, the common SPAN SPAN is between 0.2 and 5, the particle size distribution SPAN interval is set to be between 0.7 and 2 in the embodiment, and the material in the particle size distribution SPAN interval is preferably used as the formed sheet material; also, the size range of the sheet material prepared by the method is 2 nm-100 um, and the molded sheet material with the molding size interval of 5 nm-20 um is preferable; furthermore, due to the different materials of the materials, the tap density of the molded material is usually in the range of 0.1-10 g/cm 3 The specific surface area of the molded material is usually 0.1-10 m 2 Preferably 1 to 6g/cm per gram of the process 3 Tap density interval of 0.2-6 m 2 The shaped flakes in/g are preferred as finished products; setting a tap density interval according to the material quality of the material to be sliced; setting a specific surface area interval according to the material quality of the material to be sliced; finally, screening the flaky deformed material to be flaked, which is matched with the particle size distribution span interval, the forming size interval, the tap density interval and the specific surface area interval, as the formed micro flaky object, wherein the screened formed micro flaky object is a flaky metal or nonmetal material with regular height; it should be noted that the sheet-shaped deformed material to be produced belongs to the formed sheet-shaped material, and the above-set particle size distribution span interval, forming size interval, tap density interval and specific surface area interval are used for more precisely screening the sheet-shaped material in the actual operation process, so that the sheet-shaped material with better sheet-shaped effect and better suitability for industrial application can be obtained by screening, the specific ranges of the above-mentioned intervals are not limited, and the sheet-shaped material can be adaptively adjusted and set according to the actual application scene by way of example only; as shown in FIG. 4, the final product effect can be seen from SEM image of flake silver powder obtained in practical application of the method, the image shows a flake silver powder with particle diameter of 4 μm, SPAN of 1.3 and tap density of 4-4.5 g/cm 3 The specific surface area is in the range of 4.3m 2 /g, which can be applied in electronic paste, conductive and shielding, etc., of electronic products, for the addition mentioned in the background artAccording to the technical scheme, the method can achieve the preparation effect of higher preparation efficiency and higher regularity, and the problems in the prior art are overcome.
Example 2
This embodiment provides a fluid impact-based sheet preparation apparatus, as shown in fig. 2 and 3, based on the same inventive concept as that of the fluid impact-based sheet preparation method described in embodiment 1, including:
a pressurizing unit 3, a control unit 4, a feeding unit 2 and a tabletting and forming unit 1 which are respectively connected to the pressurizing unit 3;
in the present embodiment, the feeding unit 2 and the tablet forming unit 1 are provided in the front half and the rear half of the pressurizing unit 3, respectively; the sheet-making forming unit 1 is provided with the impact-resistant part 12; the pressurizing unit 3 stores therein the fluid to be pressurized;
the feeding unit 2 is used for configuring a material 11 to be tableted and feeding the material 11 to be tableted into the pressurizing unit 3; as shown in fig. 2, the feeding unit 2 is actually composed of a feeding cylinder 21 and a feeding regulator 22, and in practical application, the feeding cylinder 21 can store a fine spherical or block-shaped ductile material, i.e., the material to be tableted 11; and a feed regulator 22 for regulating the feed amount of the storage material; the feed regulator 22 may be a manual valve, an electrically operated valve, or a proportional valve;
the pressurizing unit 3 is used for mixing the material to be tabletted 11 fed by the feeding unit 2 and the fluid to be pressurized into the fluid to be output; the tablet forming unit 1 is used for collecting the fluid to be output, the tablet forming unit 1 is matched with the pressurizing unit 3 to pressurize and eject the collected fluid to be output to the impact resistant part 12, and the pressurized and ejected fluid to be output impacts the impact resistant part 12; carrying out sheet-like deformation on the material 11 to be sheet-like in the fluid to be output through impact, and collecting the material 11 to be sheet-like after sheet-like deformation as a formed micro sheet-like object 10; specifically, as shown in fig. 2, the pressurizing unit 3 is mainly composed of a liquid inlet pipe 31, a pressurizing device 32, a pipe 33, a liquid reservoir 34 and a pressurizing device 35; wherein the liquid inlet pipe 31 is externally connected with an external liquid supply device, the liquid supply device provides corresponding fluid to be pressurized, and the liquid inlet pipe 31 transmits the fluid to be pressurized to the liquid reservoir 34 for storage; the pressurizing device 32 provides basic pressurization required by sheet forming work, the pressure is stored in the liquid storage 34, the pressurizing device 35 is controlled by the control unit 4, the pressure and the flow rate of the output liquid flow are mainly adjusted when the fluid to be output is output, the corresponding feeding unit 2 is connected above the pressurizing device 35, and the pressurizing unit 3 siphons the material 11 to be sheet provided by the feeding unit 2 through the pressurizing device 35 and then mixes with the fluid to be pressurized to form mixed high-pressure liquid flow;
the control unit 4 is configured to set the first pressure adjustment range, the first flow adjustment range, the sub-pressure section, and the sub-flow rate section. The control unit 4 is arranged at one side of the pressurizing unit 3, and in actual application, a controller for controlling the pressurizing unit 3 is configured in the control unit 4, and is electrically connected to the pressurizing unit 3 to control components in the pressurizing unit 3, a software system and a man-machine interaction interface corresponding to the controller are arranged on the control unit 4, parameter setting and adjustment operations are performed through the interface, and then the output of the control unit 4 is changed, and finally, the control of the pressurizing device 32 and the pressurizing device 35 is realized; under the setting and adjustment of the pressure and the flow rate by the controller, the pressurizing device 35 adjusts the pressure and the flow rate of the liquid flow, so as to change the flow rate and the pressure of the stored internal materials and obtain the speed required by material molding; the pressurizing device 35 may be a high-pressure plunger pump, a high-pressure reciprocating pump, or the like, and is not particularly limited herein; when the device operates, the principle is as follows: based on the principles of physics and mechanics, f×Δt=m×v in momentum determination 2 -m*v 1 Deformable to f=m×v 2 -m*v 1 And/Δt, wherein: v 2 At an initial speed v 1 F is the impact force, and the impact time also affects the impact force due to the mass of the substance and the flow velocity of the ejected substance, so that v is the high speed state when the mass of the material is constant 2 Very high, v 1 Small, the delta t time is short, so F is large, enterBut the impact can generate great impact force; further, the pressure p=f/S to which the material is subjected, because the stress area of the object is constant, when the impact force F is increased, the greater the pressure p to which the material is subjected, the plastic deformation will be caused to the material when the material is pressed beyond the yield strength of the material; based on the principle, when the material is pressed more, the plastic deformation is larger, so that a larger extension effect can be realized on the material, and finally the material is formed into a sheet; of course, the tensile strength limit of the extension material generally exceeds the yield strength more, and the material is limited to be in extension molding and not crushed so long as the material is controlled to be pressed to be not more than the tensile strength limit, so that a better sheet-shaped effect is achieved;
as an embodiment of the present invention, as shown in fig. 3: the tablet forming unit 1 includes: a tablet-forming cavity 14, and a wash-resistant plate and feeder 16 provided in the tablet-forming cavity 14; the tablet forming unit 1 is arranged at the other side of the pressurizing unit 3 relative to the control unit 4, and the tablet forming cavity 14 is corresponding to and is arranged near the pressurizing device 35;
the sheet-forming cavity 14 is vertically arranged, and the impact-resistant plate and the conveyer 16 are respectively arranged on the inner walls of the two sides of the sheet-forming cavity 14; the impact-resistant part 12 is arranged on one surface of the impact-resistant plate, which faces the feeder 16, and is vertical and arranged along the inner wall of the sheet-making forming cavity 14, and two ends of the impact-resistant plate are connected with the inner wall of the sheet-making forming cavity 14 through fixing pieces 13;
the material conveyer 16 is horizontally arranged, a horizontal channel 18 for flowing liquid is arranged in the material conveyer 16, the material conveyer 16 is a strip-shaped device, a material conveying opening of the material conveyer 16 is arranged towards the impact-resistant plate, a nozzle 15 towards the impact-resistant plate is sleeved on the material conveying opening, and the output caliber of the nozzle 15 is smaller than that of the material conveying opening; the nozzle 15 is provided with a corresponding jet hole, the size and shape of which can be adaptively adjusted according to the requirement of material molding, and the jet hole is not limited herein; in the present embodiment, the layout between the tablet forming cavity 14 and the feeder 16 is merely an example, and in actual operation, the tablet forming cavity 14 may be disposed near the pressurizing unit 3, and the feeder 16 may be disposed near the tablet forming cavity 14, specifically, whether vertical, horizontal or inclined, and may be changed according to a specific application scenario.
A distance is arranged between the nozzle 15 and the impact-resistant plate; the bottom of the flaking molding cavity 14 is in a funnel shape, and the funnel-shaped bottom of the flaking molding cavity is connected with a discharging pipe 17 communicated with the inside of the flaking molding cavity 14; the nozzle 15 is used for collecting the fluid to be output;
the discharging pipe 17 is used for discharging the sheet-shaped deformed material 11 to be tabletted out of the tablet forming cavity 14. Since the pressurizing unit 3 mixes the material 11 to be tableted fed above the pressurizing unit with the fluid to be pressurized inside the pressurizing unit to form the fluid to be output, and the fluid flows into the feeder 16, and under the action of the pressurizing unit 3, the fluid in the feeder 16 is ejected at a high speed through the nozzle 15 and then is impacted on the impact plate; the material in the high-speed liquid flow is subjected to the action of impact force, so that the material is deformed into a sheet material, and the molding preparation is completed; the impact-resistant plate is made of a high-strength alloy material with compression strength and yield strength far higher than those of raw materials in the embodiment, and belongs to the high-strength impact-resistant plate.
Example 3
The present embodiment provides a computer-readable storage medium including:
the storage medium is used for storing computer software instructions for implementing the fluid impact-based sheet preparation method described in the above embodiment 1, and includes a program for executing the above program set for the fluid impact-based sheet preparation method; specifically, the executable program may be built into the fluid impact-based sheet preparation apparatus described in embodiment 2, so that the fluid impact-based sheet preparation apparatus can implement the fluid impact-based sheet preparation method described in embodiment 1 by executing the built-in executable program.
Further, the computer readable storage medium provided in the present embodiment may be any combination of one or more readable storage media, where the readable storage media includes an electric, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination thereof.
Example 4
The present embodiment provides an electronic device, as shown in fig. 5, which may include: the device comprises a processor 1501, a communication interface 1502, a memory 1503 and a communication bus 1504, wherein the processor 1501, the communication interface 1502 and the memory 1503 are in communication with each other through the communication bus 1504.
A memory 1503 for storing a computer program;
a processor 1501, when executing the computer program stored in the memory 1503, implements the steps of the fluid impact-based sheet preparation method described in the above embodiment 1.
As an embodiment of the present invention, the communication bus mentioned by the above-mentioned terminal may be a peripheral component interconnect standard (Peripheral Component Interconnect, abbreviated as PCI) bus or an extended industry standard architecture (Extended Industry Standard Architecture, abbreviated as EISA) bus, or the like. The communication bus may be classified as an address bus, a data bus, a control bus, or the like. For ease of illustration, only one thick line is shown in fig. 5, but not only one bus or one type of bus.
As an embodiment of the present invention, a communication interface is used for communication between the terminal and other devices.
As an embodiment of the present invention, the memory may include a random access memory (Random Access Memory, abbreviated as RAM) or may include a non-volatile memory (non-volatile memory), such as at least one disk memory. Optionally, the memory may also be at least one memory device located remotely from the aforementioned processor.
As an embodiment of the present invention, the above-mentioned processor may be a general-purpose processor, including a central processing unit (Central Processing Unit, abbreviated as CPU), a network processor (Network Processor, abbreviated as NP), and the like; but also digital signal processors (Digital Signal Processing, DSP for short), application specific integrated circuits (Application Specific Integrated Circuit, ASIC for short), field-programmable gate arrays (Field-Programmable Gate Array, FPGA for short) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components.
Compared with the prior art, the method, the device, the equipment and the medium for preparing the sheet-shaped object based on fluid impact can be used for rapidly converting the tiny spherical extension material into the sheet-shaped material by adopting a high-pressure high-speed fluid impact molding method, have higher preparation efficiency and short preparation time, are controlled by uniform fluid pressure and flow velocity, so that the molded sheet-shaped material has higher regularity, and further the finally produced sheet-shaped material also has wider application range, low processing cost and strong universality and has higher application value.
It should be understood that, in the various embodiments herein, the sequence number of each process described above does not mean the sequence of execution, and the execution sequence of each process should be determined by its functions and internal logic, and should not constitute any limitation on the implementation process of the embodiments herein.
It should also be understood that in embodiments herein, the term "and/or" is merely one relationship that describes an associated object, meaning that three relationships may exist. For example, a and/or B may represent: a exists alone, A and B exist together, and B exists alone. In addition, the character "/" herein generally indicates that the front and rear associated objects are an "or" relationship.
Those of ordinary skill in the art will appreciate that the elements and algorithm steps described in connection with the embodiments disclosed herein may be embodied in electronic hardware, in computer software, or in a combination of the two, and that the elements and steps of the examples have been generally described in terms of function in the foregoing description to clearly illustrate the interchangeability of hardware and software. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present disclosure.
It will be clear to those skilled in the art that, for convenience and brevity of description, specific working procedures of the above-described systems, apparatuses and units may refer to corresponding procedures in the foregoing method embodiments, and are not repeated herein.
In the several embodiments provided herein, it should be understood that the disclosed systems, devices, and methods may be implemented in other ways. For example, the apparatus embodiments described above are merely illustrative, e.g., the division of the units is merely a logical function division, and there may be additional divisions when actually implemented, e.g., multiple units or components may be combined or integrated into another system, or some features may be omitted or not performed. In addition, the coupling or direct coupling or communication connection shown or discussed with each other may be an indirect coupling or communication connection via some interfaces, devices, or elements, or may be an electrical, mechanical, or other form of connection.
The units described as separate units may or may not be physically separate, and units shown as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the elements may be selected according to actual needs to achieve the objectives of the embodiments herein.
In addition, each functional unit in the embodiments herein may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit. The integrated units may be implemented in hardware or in software functional units.
The integrated units, if implemented in the form of software functional units and sold or used as stand-alone products, may be stored in a computer readable storage medium. Based on such understanding, the technical solutions herein are essentially or portions contributing to the prior art, or all or portions of the technical solutions may be embodied in the form of a software product stored in a storage medium, including several instructions to cause a computer device (which may be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of the methods described in the embodiments herein. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a random access Memory (RAM, random Access Memory), a magnetic disk, or an optical disk, or other various media capable of storing program codes.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present invention.
Claims (10)
1. A method of preparing a sheet based on fluid impact, comprising the steps of:
a flushing-resistant part is configured;
mixing a material to be flaked and a fluid to be pressurized into a fluid to be output;
collecting the fluid to be output, and pressurizing and injecting the collected fluid to be output to the impact resistant part, wherein the pressurized and injected fluid to be output impacts the impact resistant part;
and carrying out sheet-shaped deformation on the material to be sheet-shaped in the fluid to be output through impact, and collecting the sheet-shaped deformed material to be sheet-shaped as a formed micro sheet-shaped object.
2. A method of preparing a fluid impact based tablet according to claim 1, wherein:
the pressurized injection of the collected fluid to be output to the impact resistant part further comprises:
setting a first pressure adjusting range and a first flow adjusting range;
setting a sub-pressure interval according to the first pressure regulation range;
setting a sub-flow speed interval according to the first flow speed adjusting range;
and pressurizing and injecting the collected fluid to be output to the impact resistant part according to the pressure corresponding to the sub-pressure interval and the flow rate corresponding to the sub-flow rate interval.
3. A method of preparing a fluid impact based tablet according to claim 2, wherein:
the pressurized injection of the collected fluid to be output to the impact resistant part further comprises:
obtaining the molding area requirement of the sheet-shaped object;
adjusting the sub-flow speed interval or the sub-pressure interval according to the sheet forming area requirement;
when the sub-flow speed interval or the sub-pressure interval is regulated, the area size of the sub-flow speed interval or the sub-pressure interval and the area requirement of the sheet forming area are positively correlated.
4. A method of preparing a fluid impact based tablet according to claim 2, wherein:
the collecting of the flaky deformed material to be flaked as a formed micro flaky object comprises the following steps:
setting a particle size distribution span interval and a forming size interval;
setting a tap density interval according to the material quality of the material to be sliced;
setting a specific surface area interval according to the material quality of the material to be sliced;
screening the sheet-shaped deformed material to be produced, which is matched with the particle size distribution span interval, the forming size interval, the tap density interval and the specific surface area interval, as the forming micro sheet-shaped object.
5. A method of preparing a fluid impact based tablet according to claim 4, wherein:
the first pressure adjustment range includes: 20-500 mpa;
the first flow adjustment range includes: 30-1000 m/s;
the sub-pressure interval is: 80-300 mpa;
the sub-flow speed interval is: 300-700 m/s;
the particle size distribution span interval is as follows: 0.7-2;
the molding size interval is as follows: 5 nm-20 um;
the tap density interval is: 1-6 g/cm 3 ；
The specific surface area interval is as follows: 0.2-6 m 2 /g。
6. A method of preparing a fluid impact based tablet according to claim 1, wherein:
the fluid to be pressurized is: one or more of water, diluent and suspending agent.
7. A fluid impact based sheet preparation apparatus based on a fluid impact based sheet preparation method as claimed in claim 2, wherein said apparatus comprises: a pressurizing unit (3), a control unit (4), a feeding unit (2) and a tabletting and forming unit (1) which are respectively connected to the pressurizing unit (3);
the sheet-making forming unit (1) is provided with the impact-resistant part (12);
-said pressurizing unit (3) having stored therein said fluid to be pressurized;
the feeding unit (2) is used for configuring a material (11) to be flaked and feeding the material (11) to be flaked into the pressurizing unit (3);
the pressurizing unit (3) is used for mixing the material to be tabletted (11) fed by the feeding unit (2) and the fluid to be pressurized into the fluid to be output; the sheet forming unit (1) is used for converging the fluid to be output, the sheet forming unit (1) is matched with the pressurizing unit (3) to pressurize and jet the converged fluid to be output to the impact resistant part (12), and the pressurized and jetted fluid to be output impacts the impact resistant part (12); carrying out sheet-like deformation on the material (11) to be sheet-like in the fluid to be output through impact, and collecting the sheet-like deformed material (11) to be sheet-like as a formed micro sheet (10);
the control unit (4) is configured to set the first pressure adjustment range, the first flow adjustment range, the sub-pressure section, and the sub-flow rate section.
8. A fluid impact based tablet preparation apparatus as claimed in claim 7, wherein:
the tablet forming unit (1) includes: a tablet-forming cavity (14), and a punch and a feeder (16) provided in the tablet-forming cavity (14);
the sheet-making forming cavity (14) is arranged close to the pressurizing unit (3), and the impact-resistant plate and the conveyer (16) are respectively arranged at two side positions in the sheet-making forming cavity (14);
the impact-resistant plate is arranged on one surface of the impact-resistant plate, which faces the feeder (16), and is vertical and arranged along the inner wall of the sheet-making forming cavity (14), and two ends of the impact-resistant plate are connected with the inner wall of the sheet-making forming cavity (14) through fixing pieces (13);
the feeder (16) is arranged close to the sheet-making forming cavity (14), a feed port of the feeder (16) is arranged towards the impact-resistant plate, a nozzle (15) towards the impact-resistant plate is sleeved on the feed port, and the output caliber of the nozzle (15) is smaller than that of the feed port;
a distance is arranged between the nozzle (15) and the impact-resistant plate;
the bottom of the slice forming cavity (14) is connected with a discharge pipe (17) communicated with the inside of the slice forming cavity (14);
-the nozzle (15) is for pooling the fluid to be output;
the discharging pipe (17) is used for discharging the sheet-shaped deformed material (11) to be produced into the sheet-shaped forming cavity (14).
9. A computer-readable storage medium, characterized in that the computer-readable storage medium has stored thereon a computer program which, when executed by a processor, implements the steps of the fluid impact-based sheet preparation method of any one of claims 1 to 6.
10. A computer device comprising a processor, a communication interface, a memory and a communication bus, wherein the processor, the communication interface, the memory complete communication with each other through the communication bus; wherein:
the memory is used for storing a computer program;
the processor is configured to execute the steps of the fluid impact-based sheet preparation method according to any one of claims 1 to 6 by executing a program stored on the memory.
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| CN202310567331.2A CN116329361B (en) | 2023-05-19 | 2023-05-19 | Method, device, equipment and medium for preparing sheet based on fluid impact |
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| CN202310567331.2A CN116329361B (en) | 2023-05-19 | 2023-05-19 | Method, device, equipment and medium for preparing sheet based on fluid impact |
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| CN115570128A (en) * | 2022-08-29 | 2023-01-06 | 南通领跑者新材料科技有限公司 | Method for preparing flake silver powder and low-resistance conductive paste containing silver powder |
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| JP2014009151A (en) * | 2012-07-03 | 2014-01-20 | Harima Chemicals Group Inc | Method for producing thin-layer graphite or thin-layer graphite compound |
| CN108367926A (en) * | 2015-11-26 | 2018-08-03 | 意大利学院科技基金会 | Pass through wet blasting grinding technique stripped laminar material |
| CN112823137A (en) * | 2018-10-12 | 2021-05-18 | 先进材料发展有限公司 | Liquid phase exfoliation of nanomaterials |
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