CN115070020A - Gravity casting device based on transient pressure intensity distribution - Google Patents
Gravity casting device based on transient pressure intensity distribution Download PDFInfo
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- CN115070020A CN115070020A CN202210708375.8A CN202210708375A CN115070020A CN 115070020 A CN115070020 A CN 115070020A CN 202210708375 A CN202210708375 A CN 202210708375A CN 115070020 A CN115070020 A CN 115070020A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D27/00—Treating the metal in the mould while it is molten or ductile ; Pressure or vacuum casting
- B22D27/09—Treating the metal in the mould while it is molten or ductile ; Pressure or vacuum casting by using pressure
- B22D27/13—Treating the metal in the mould while it is molten or ductile ; Pressure or vacuum casting by using pressure making use of gas pressure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D27/00—Treating the metal in the mould while it is molten or ductile ; Pressure or vacuum casting
- B22D27/04—Influencing the temperature of the metal, e.g. by heating or cooling the mould
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- G—PHYSICS
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/20—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity
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Abstract
The invention discloses a gravity casting device based on transient pressure distribution, which comprises a casting machine and an intelligent casting system, wherein the casting machine comprises a supporting plate, a transmission mechanism is fixedly arranged on the left side of the supporting plate, the transmission mechanism comprises an air pump, a pipeline below the air pump is connected with an air pressure cavity, the inner wall of the air pressure cavity is connected with an extrusion plate in a sliding manner, the left side of the air pressure cavity is connected with an external liquid metal pipeline, the pipeline below the air pressure cavity is connected with a lower die, a supporting plate is fixedly connected below the lower die, a controller is fixedly arranged above the right side of the supporting plate, a condenser is fixedly arranged in the middle of the lower die, the intelligent casting system is respectively electrically connected with the inner wall of the air pressure cavity, the air pump, the controller and the condenser, an air cylinder is fixedly arranged in the middle of the supporting plate, an upper die is fixedly connected below the air cylinder, and a separation plate is connected on the inner wall of the lower die in a sliding manner, the invention has the characteristics of intelligent casting and good casting effect.
Description
Technical Field
The invention relates to the technical field of gravity casting, in particular to a gravity casting device based on transient pressure distribution.
Background
The metal casting is a technological process of smelting metal into liquid meeting certain requirements, pouring the liquid into a casting mold, cooling, solidifying and cleaning to obtain a casting with a preset shape, size and performance. The casting blank is nearly shaped, so that the purposes of no machining or little machining are achieved, the cost is reduced, and the time is reduced to a certain extent.
The existing gravity casting device can not carry out intelligent casting according to the type of metal when carrying out the casting of the metal, so that the deviation of the processing quality can be easily caused, and the existing gravity casting device can not carry out timely cooling on the gravity casting device in the casting process, so that the casting effect is greatly reduced. Therefore, it is necessary to design a gravity casting device based on transient pressure distribution, which can be intelligently cast and has good casting effect.
Disclosure of Invention
The present invention is directed to a gravity casting apparatus based on transient pressure distribution to solve the above-mentioned problems in the background art.
In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides a gravity casting device based on transient pressure distributes, includes casting machine and intelligent casting system, its characterized in that: the casting machine comprises a supporting plate, a transmission mechanism is fixedly mounted on the left side of the supporting plate and comprises an air pump, a pipeline below the air pump is connected with an air pressure cavity, the inner wall of the air pressure cavity is connected with an extrusion plate in a sliding mode, the left side of the air pressure cavity is connected with an external liquid metal pipeline, the pipeline below the air pressure cavity is connected with a lower die, a supporting plate is fixedly connected with the lower die below, a controller is fixedly mounted on the upper portion of the right side of the supporting plate, a condenser is fixedly mounted in the middle of the lower die, and an intelligent casting system is electrically connected with the inner wall of the air pressure cavity, the air pump, the controller and the condenser respectively.
According to the technical scheme, a cylinder is fixedly mounted in the middle of the supporting plate, an upper die is fixedly connected to the lower side of the cylinder, a separation plate is connected to the inner wall of the lower die in a sliding mode, pressure devices are fixedly mounted on the left side and the right side of the lower die respectively, a punch is connected to the lower side of the lower die in a spring connection mode and fixedly connected with the upper surface of the supporting plate, and the intelligent casting system is electrically connected with the cylinder, the pressure devices and the punch respectively.
According to the technical scheme, the intelligent casting system comprises a detection module, an auxiliary module, a data transmission module, a data receiving module, a calculation module and a control module, wherein the detection module is respectively and electrically connected with the auxiliary module and the inner wall of the air pressure cavity;
the detection module is used for detecting the type of liquid metal through the inner wall of the air pressure cavity to obtain the type of the metal and obtaining the heat conductivity coefficient of the metal according to the type of the metal, the auxiliary module is used for carrying out auxiliary operation work on the device through the detected type of the metal, the data transmission module is used for transmitting the heat conductivity coefficient data of the metal, the data receiving module is used for receiving the transmitted data, the calculation module is used for calculating the received heat conductivity coefficient of the metal to obtain a result, and the control module is used for controlling the air pump and the condenser according to the calculated result.
According to the technical scheme, the auxiliary module comprises an information collection module, a judgment module, a power assisting module and a driving module, the information collection module is electrically connected with the detection module, the judgment module is electrically connected with the information collection module, the driving module is electrically connected with the judgment module, the power assisting module is electrically connected with the air cylinder, the driving module is respectively electrically connected with the air cylinder and the pressure device, and the power assisting module is electrically connected with the punch;
the information collection module is used for collecting information through detected metal types, the judgment module is used for judging the metal types to obtain the metal types and editing the metal types into instructions to be transmitted, the driving module is used for receiving the transmitted instructions and controlling the operation of the air cylinder and the pressure gauge according to the instructions, and the power assisting module is used for driving the pressure gauge according to the operation state of the air cylinder.
According to the technical scheme, the intelligent casting system comprises the following operation steps:
s1, an operator starts a controller, and the controller controls the intelligent casting system to operate through electric drive;
s2, after the intelligent casting system operates, the detection module stores the heat conductivity coefficients of various casting metal types, detects the metal types through the inner wall of the air pressure cavity, compares the metal types with the stored heat conductivity coefficients of various casting metals, finds out the heat conductivity coefficient of the corresponding metal type, and transmits the heat conductivity coefficient into the data receiving module through the data transmission module;
s3, the data receiving module transmits the received heat conductivity coefficient to the calculating module, the calculating module converts the data, and the converted result is transmitted to the control module through electric transmission;
s4, the control module controls the air pump according to the obtained calculation result, the air pump operates to input air into the air pressure cavity, and the extrusion plate is pushed by the air to move downwards to extrude the liquid metal;
s5, according to the difference of metal types, the heat conductivity coefficient is different, the heat dissipation is different, in order to prevent the liquid metal from being solidified before entering the lower die, the flowing speed of the liquid metal needs to be changed, the control module controls the running power of the air pump, so that the flowing speed of the liquid metal is changed, and the liquid metal enters the lower die through the pipeline;
s6, the information collection module in the auxiliary module receives the metal type data detected by the detection module, and the judgment module judges the data according to the judgment result to obtain the metal type;
s7, controlling the operation power of the cylinder through the driving module according to different types and self hardness of the metal, thereby controlling the pressure of the upper die on the metal in the lower die;
s8, automatically controlling the extrusion force of the pressure device on the left side and the right side of the lower die by the simultaneous driving module according to different metal types to fully shape the metal;
s9, controlling the operation power of the condenser by the control module according to the operation power of the air pump, and adopting different cooling speeds for different metals;
s10, after the shaping is finished, the cylinder is lifted, the booster module controls the punch by itself according to the running state of the cylinder and automatically punches the separation plate according to the type of the metal, so that the formed metal is fully separated from the lower die;
and S11, taking the shaped metal blocks by an operator, repeating the step S2 to the step S10 if the bundling work is required to be continued, and driving the controller to stop running if the operation is required to be stopped so as to stop the intelligent casting system.
According to the above technical solution, in the steps S1 to S5, P Qi (Qi) ＝C Heat generation *p Is a system *2 10 +p Decrease in the thickness of the steel In which P is Qi (Qi) Is the operating power of the air pump, C Heat generation For the thermal conductivity, p, of the liquid metal detected by the detection module Is a system The power p of the air pump is one unit of the metal heat conductivity Decrease in the thickness of the steel For the loss value in the power transmission process, when the heat conductivity coefficient of the metal is higher, the heat dissipation performance is stronger, and the cooling speed is faster, at this time, the operation power of the air pump is larger, the extrusion strength of the extrusion plate to the liquid metal is higher, and the flow speed of the liquid metal is faster.
According to the above technical solution, in the step S9, in order to increase the cooling speed of the liquid metal in the lower die, the following formula is used to solve the problem:
when P is present Qi (Qi) <P Is provided with When it is, then F Health-care product The value is one;
when P is present Qi (Qi) ≥P Is provided with When it is, then F Health-care product The value is zero, when F Cold The value becomes zero;
in the formula, F Cold For the operating power of the condenser, F Pole(s) Maximum operating power of the condenser, f Is a system Operating power of the condenser corresponding to the operating power of the air pump per unit, F Health-care product Is a protective value of the formula, P Is provided with The air pump running power set for the system, when the air pump running power is larger, the cooling speed of the metal is higher, the liquid state is naturally cooled after entering the lower die, at the moment, the running power of the condenser is lower, the running energy consumption of the condenser is reduced, the cooling speed of the liquid metal which cannot be rapidly cooled is accelerated, the production speed is increased, and meanwhile, when the cooling speed of the metal is higher than a certain value, the condenser stops running, so that the quality precision of the metal cannot be guaranteed after excessive cooling is avoided.
According to the technical scheme, in the step S6 and the step S7, the metal type judged by the judging module is used, the driving module drives the air cylinder to have different degrees of driving power according to different metals, the pressing force on the metals is changed, the phenomenon that the machining quality is affected by dimension errors caused by over-pressing of softer metals is avoided, the extrusion force on the harder-to-mold metals is increased, and the harder-to-mold metals are quickly molded.
According to the technical scheme, in the step S8, the driving module is used for controlling the pressure device, the extrusion force of the pressure device on the left side and the right side of the lower die is changed, so that the side surfaces of the metal can be fully extruded, and the upper surface of the metal is prevented from being extruded and expanded from the two sides to the outside to influence the quality after being extruded.
According to the technical scheme, in the step S10, after the cylinder moves upwards and resets, the formed metal needs to be taken, in order to be taken conveniently, the boosting module regulates and controls the stamping force degree of the stamping device through the operation state change of the cylinder, the thrust of the stripping plate is automatically increased aiming at the metal difficult to take out, the metal fully protrudes out of the lower die and is convenient to take, the thrust is reduced aiming at the metal easy to take out, and the metal block is prevented from being pushed out, and the device falls on the ground to cause the damage of the metal block edge angle.
Compared with the prior art, the invention has the following beneficial effects: according to the invention, by arranging the intelligent casting system, metal is detected according to the inner wall of the air pressure cavity, the flowing speed of liquid metal is changed according to different powers of different metal driving air pumps, and meanwhile, the liquid metal in the lower die is rapidly cooled by the condenser controlled by electric drive.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the lower mold of the present invention;
FIG. 3 is a schematic view of a liquid metal flow conduit of the present invention;
FIG. 4 is a schematic view of the punch construction of the present invention;
FIG. 5 is a schematic flow diagram of the smart casting system of the present invention;
in the figure: 1. a casting machine; 2. a support plate; 3. an air pump; 4. a pneumatic chamber; 5. a pressing plate; 6. a lower die; 7. a support plate; 8. a controller; 9. a condenser; 10. a cylinder; 11. an upper die; 12. a pressure device; 13. a disengagement plate; 14. and a stamping device.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides the following technical solutions: a gravity casting device based on transient pressure distribution comprises a casting machine 1 and an intelligent casting system, wherein the casting machine 1 comprises a supporting plate 2, a transmission mechanism is fixedly arranged on the left side of the supporting plate 2, the transmission mechanism comprises an air pump 3, a pipeline below the air pump 3 is connected with an air pressure cavity 4, the inner wall of the air pressure cavity 4 is connected with an extrusion plate 5 in a sliding manner, the left side of the air pressure cavity 4 is connected with an external liquid metal pipeline, a pipeline below the air pressure cavity 4 is connected with a lower die 6, a supporting plate 7 is fixedly connected below the lower die 6, a controller 8 is fixedly arranged above the right side of the supporting plate 7, a condenser 9 is fixedly arranged in the middle of the lower die 6, the intelligent casting system is respectively electrically connected with the inner wall of the air pressure cavity 4, the air pump 3, the controller 8 and the condenser 9, an operator injects metal to be shaped into the air pressure cavity 4 through a pipeline, the liquid metal flows into the lower die 6 below under the influence of self gravity through the pipeline, then, the controller 8 is started, the controller 8 drives the air pump 3 to operate through electric connection, the air pump 3 injects air into the air pressure cavity 4 through a pipeline, the extrusion plate 5 is pushed by the air to move downwards, liquid metal below the extrusion enters the lower die 6 through the pipeline, the intelligent casting system detects the metal according to the inner wall of the air pressure cavity 4, the flowing speed of the liquid metal is changed according to different powers of the operation of the air pump 3 driven by different metals, and meanwhile, the condenser 9 is controlled through electric drive to rapidly cool the liquid metal in the lower die 6;
the middle of the supporting plate 2 is fixedly provided with an air cylinder 10, the lower part of the air cylinder 10 is fixedly connected with an upper die 11, the inner wall of the lower die 6 is connected with a separation plate 13 in a sliding way, the left side and the right side of the lower die 6 are both fixedly provided with a pressure gauge 12, a spring below the lower die 6 is connected with a stamping gauge 14, the stamping gauge 14 is fixedly connected with the upper surface of the supporting plate 7, the intelligent casting system is respectively electrically connected with the air cylinder 10, the pressure gauge 12 and the stamping gauge 14, through the steps, after liquid metal is injected into the lower die 6, the controller 8 controls the intelligent casting system to operate, the operation of the air cylinder 10 is controlled through electric drive, the air cylinder 10 moves downwards to drive the upper die 11 to move downwards to press the liquid metal, the forming speed is accelerated, meanwhile, through the operation of the electric drive control pressure gauge 12, the pressure gauge 12 applies thrust to the left side and the right side of the lower die 6 to extrude the two sides of the formed liquid metal, and enhance the forming effect, after the shaping is finished, the upper die 11 is lifted through electric drive control, the operation of the punch 14 is controlled through electric drive, the punch 14 pushes the spring to deform, the spring is forced to push the separation plate 13 to move upwards, and the formed metal block is pushed out of the lower die 6, so that an operator can take the metal block conveniently;
the intelligent casting system comprises a detection module, an auxiliary module, a data transmission module, a data receiving module, a calculation module and a control module, wherein the detection module is respectively and electrically connected with the auxiliary module and the inner wall of the air pressure cavity 4, the detection module is electrically connected with the data transmission module, the data receiving module is respectively and electrically connected with the data transmission module and the calculation module, the calculation module is electrically connected with the control module, and the control module is respectively and electrically connected with the air pump 3 and the condenser 9;
the detection module is used for detecting the type of liquid metal through the inner wall of the air pressure cavity 4 to obtain the type of the metal and obtaining the heat conductivity coefficient of the metal according to the type of the metal, the auxiliary module is used for carrying out auxiliary operation work on the device through the detected type of the metal, the data transmission module is used for transmitting the heat conductivity coefficient data of the metal, the data receiving module is used for receiving the transmitted data, the calculation module is used for calculating the received heat conductivity coefficient of the metal to obtain a result, and the control module is used for controlling the air pump 3 and the condenser 9 according to the calculated result;
the auxiliary module comprises an information collection module, a judgment module, a power assisting module and a driving module, the information collection module is electrically connected with the detection module, the judgment module is electrically connected with the information collection module, the driving module is electrically connected with the judgment module, the power assisting module is electrically connected with the air cylinder 10, the driving module is respectively electrically connected with the air cylinder 10 and the pressure device 12, and the power assisting module is electrically connected with the punch 14;
the information collection module is used for collecting information through the detected metal types, the judgment module is used for judging the metal types to obtain the metal types and editing the metal types into instructions to be transmitted, the driving module is used for receiving the transmitted instructions and controlling the operation of the air cylinder 10 and the pressure device 12 according to the instructions, and the power assisting module is used for driving the pressure device 14 according to the operation state of the air cylinder 10;
the intelligent casting system comprises the following operation steps:
s1, an operator starts the controller 8, and the controller 8 controls the intelligent casting system to operate through electric drive;
s2, after the intelligent casting system operates, the detection module stores the heat conductivity coefficients of various casting metal types, detects the metal types through the inner wall of the air pressure cavity 4, compares the metal types with the stored heat conductivity coefficients of various casting metals to find out the corresponding metal heat conductivity coefficients, and transmits the heat conductivity coefficients into the data receiving module through the data transmission module;
s3, the data receiving module transmits the received heat conductivity coefficient to the calculating module, the calculating module converts the data, and the converted result is transmitted to the control module through electric transmission;
s4, the control module controls the air pump 3 according to the obtained calculation result, the air pump 3 operates to input air into the air pressure cavity 4, and the extrusion plate 5 is pushed by the air to move downwards to extrude the liquid metal;
s5, according to the difference of the metal types, the heat conductivity coefficient is different, the heat dissipation performance is different, in order to prevent the liquid metal from being solidified before entering the lower die 6, the flowing speed of the liquid metal needs to be changed, the control module controls the running power of the air pump 3, the flowing speed of the liquid metal is changed, and the liquid metal enters the lower die 6 through the pipeline;
s6, the information collection module in the auxiliary module receives the metal type data detected by the detection module, and the judgment module judges the data according to the judgment result to obtain the metal type;
s7, controlling the operation power of the cylinder 10 through the driving module according to different hardness of the metal and different types of the metal, thereby controlling the pressure of the upper die 11 on the metal in the lower die 6;
s8, automatically controlling the extrusion force of the pressure device 12 on the left side and the right side of the lower die 6 by the simultaneous driving module according to different metal types to fully shape the metal;
s9, controlling the operation power of the condenser 9 by the control module according to the operation power of the air pump 3, and adopting different cooling speeds for different metals;
s10, after the shaping is finished, the cylinder 10 is lifted, and at the moment, the booster module controls the punch 14 by itself according to the running state of the cylinder 10, and automatically punches the separation plate 13 according to different types of metals, so that the formed metals are fully separated from the lower die 6;
s11, an operator takes the shaped metal blocks, if the bundling work needs to be continued, the step S2 to the step S10 are repeated, if the operation needs to be stopped, the drive controller 8 stops the operation, and the intelligent casting system stops the operation;
from step S1 to step S5, P Qi (Qi) ＝C Heat generation *p Is a system *2 10 +p Decrease in the thickness of the steel In which P is Qi (Qi) For the operating power of the air pump 3, C Heat generation For the thermal conductivity, p, of the liquid metal detected by the detection module Is a system The power, p, of the air pump 3 is one unit of the metal heat conductivity Decrease in the thickness of the steel For the loss value in the power transmission process, when the heat conductivity coefficient of the metal is higher, the heat dissipation is stronger, the cooling speed is faster,at this time, the higher the running power of the air pump 3 is, the higher the extrusion strength of the extrusion plate 5 to the liquid metal is, and the higher the flow rate of the liquid metal is, the higher the cooling speed of the liquid metal is, the flow speed of the liquid metal is accelerated for the metal with the higher cooling speed, so that the damage of the device caused by blocking the pipeline after the liquid metal is cooled and shaped in the pipeline is avoided, the flow speed of the metal with the lower cooling speed is reduced, the energy consumption of the air pump 3 is reduced, and the production cost is reduced;
in step S9, in order to increase the cooling rate of the liquid metal in the lower die 6, the following formula is used:
when P is present Qi (Qi) <P Is provided with When it is, then F Health-care product The value is one;
when P is present Qi (Qi) ≥P Is provided with When it is, then F Health-care product The value is zero, when F Cooling by cooling The value becomes zero;
in the formula, F Cold For the operating power of the condenser 9, F Pole For maximum operating power of the condenser 9, f Is a system Operating power of the condenser 9 corresponding to the operating power of the air pump 3 per unit, F Health-care product Is a protective value of the formula, P Is provided with The running power of the air pump 3 is set for the system, when the running power of the air pump 3 is higher, the cooling speed of the metal is higher, the liquid state is naturally cooled after entering the lower die 6, at the moment, the running power of the condenser 9 is lower, the running energy consumption of the condenser 9 is reduced, the cooling speed of the liquid metal which cannot be rapidly cooled is accelerated, the production speed is improved, and meanwhile, when the cooling speed of the metal is higher than a certain value, the condenser 9 stops running, so that the quality precision of the metal cannot be guaranteed after excessive cooling is avoided;
in the steps S6 and S7, the driving module performs different degrees of driving power on the cylinder 10 according to different metals through the metal types judged by the judging module, so as to change the pressing force on the metals, avoid the influence of dimension errors caused by the overpressure on the softer metals, and increase the pressing force on the harder-to-mold metals to rapidly mold the harder-to-mold metals;
in step S8, the driving module controls the press 12 to change the degree of extrusion of the press 12 on the left and right sides of the lower die 6, so that the side surfaces of the metal can be sufficiently extruded, and the upper surface of the metal is prevented from being extruded and expanded from the two sides to the outside to affect the quality;
in step S10, after the cylinder 10 moves upward and resets, the formed metal needs to be taken, in order to facilitate taking, the boosting module regulates and controls the punching force degree of the puncher 14 through the operation state transition of the cylinder 10, automatically increases the thrust force on the separation plate 13 for the metal difficult to take out, so that the metal fully protrudes out of the lower die 6, thereby facilitating taking, and reduces the thrust force for the metal easy to take out, thereby avoiding the damage of the metal block edge angle caused by pushing the metal block out of the device to fall on the ground.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a gravity casting device based on transient pressure distributes, includes casting machine (1) and intelligent casting system, its characterized in that: casting machine (1) includes layer board (2), layer board (2) left side fixed mounting has transmission device, transmission device includes air pump (3), air pump (3) below pipeline is connected with atmospheric pressure chamber (4), atmospheric pressure chamber (4) inner wall sliding connection has stripper plate (5), atmospheric pressure chamber (4) left side and outside liquid metal pipe connection, atmospheric pressure chamber (4) below pipeline is connected with lower mould (6), lower mould (6) below fixedly connected with backup pad (7), backup pad (7) right side top fixed mounting has controller (8), fixed mounting has condenser (9) in the middle of lower mould (6), intelligence casting system is connected with atmospheric pressure chamber (4) inner wall, air pump (3), controller (8), condenser (9) electricity respectively.
2. The gravity casting apparatus based on transient pressure distribution of claim 1, wherein: fixed mounting has cylinder (10) in the middle of layer board (2), cylinder (10) below fixedly connected with goes up mould (11), lower mould (6) inner wall sliding connection has stripper plate (13), the equal fixed mounting in lower mould (6) left and right sides has pressure gauge (12), lower mould (6) below spring coupling has punching press (14), fixed surface is connected on punching press (14) and backup pad (7), intelligent casting system is connected with cylinder (10), pressure gauge (12), punching press (14) electricity respectively.
3. The gravity casting apparatus based on transient pressure distribution of claim 2, wherein: the intelligent casting system comprises a detection module, an auxiliary module, a data transmission module, a data receiving module, a calculation module and a control module, wherein the detection module is respectively and electrically connected with the auxiliary module and the inner wall of the air pressure cavity (4), the detection module is electrically connected with the data transmission module, the data receiving module is respectively and electrically connected with the data transmission module and the calculation module, the calculation module is electrically connected with the control module, and the control module is respectively and electrically connected with the air pump (3) and the condenser (9);
the detection module is used for detecting the type of liquid metal through the inner wall of the air pressure cavity (4) to obtain the type of the metal and obtaining the heat conductivity coefficient of the metal according to the type of the metal, the auxiliary module is used for carrying out auxiliary operation work on the device through the detected type of the metal, the data transmission module is used for transmitting the heat conductivity coefficient data of the metal, the data receiving module is used for receiving the transmitted data, the calculation module is used for calculating the received heat conductivity coefficient of the metal to obtain a result, and the control module is used for controlling the air pump (3) and the condenser (9) according to the calculated result.
4. A gravity casting apparatus based on transient pressure distribution as claimed in claim 3, wherein: the auxiliary module comprises an information collection module, a judgment module, a power assisting module and a driving module, the information collection module is electrically connected with the detection module, the judgment module is electrically connected with the information collection module, the driving module is electrically connected with the judgment module, the power assisting module is electrically connected with the air cylinder (10), the driving module is respectively electrically connected with the air cylinder (10) and the pressure gauge (12), and the power assisting module is electrically connected with the punch (14);
the information collection module is used for collecting information through detected metal types, the judgment module is used for judging the metal types to obtain the metal types and editing the metal types into instructions to be transmitted, the driving module is used for receiving the transmitted instructions and controlling the operation of the air cylinder (10) and the pressure gauge (12) according to the instructions, and the power assisting module is used for driving the pressure gauge (14) according to the operation state of the air cylinder (10).
5. The gravity casting apparatus based on transient pressure distribution of claim 4, wherein: the intelligent casting system comprises the following operation steps:
s1, an operator starts the controller (8), and the controller (8) controls the intelligent casting system to operate through electric drive;
s2, after the intelligent casting system operates, the heat conductivity coefficients of various casting metal types are stored in the detection module, the detection module detects the metal types through the inner wall of the air pressure cavity (4), compares the metal types with the stored heat conductivity coefficients of various casting metals to find out the corresponding metal heat conductivity coefficients, and the heat conductivity coefficients are transmitted into the data receiving module through the data transmission module;
s3, the data receiving module transmits the received heat conductivity coefficient to the calculating module, the calculating module converts the data, and the converted result is transmitted to the control module through electric transmission;
s4, the control module controls the air pump (3) according to the obtained calculation result, the air pump (3) operates to input air into the air pressure cavity (4), and the extrusion plate (5) is pushed by the air to move downwards to extrude the liquid metal;
s5, according to the difference of the metal types, the heat conductivity coefficient is different, the heat dissipation performance is different, in order to prevent the liquid metal from being solidified before entering the lower die (6), the flowing speed of the liquid metal needs to be changed, the control module controls the running power of the air pump (3), so that the flowing speed of the liquid metal is changed, and the liquid metal enters the lower die (6) through the pipeline;
s6, the information collection module in the auxiliary module receives the metal type data detected by the detection module, and the judgment module judges the data according to the judgment result to obtain the metal type;
s7, controlling the operation power of the cylinder (10) through the driving module according to different hardness of the metal and different types of the metal, thereby controlling the pressure of the upper die (11) on the metal in the lower die (6);
s8, automatically controlling the extrusion force of the pressure device (12) on the left side and the right side of the lower die (6) according to different metal types by the simultaneous driving module, so that the metal is fully shaped;
s9, controlling the operation power of the condenser (9) by the control module according to the operation power of the air pump (3) at the moment, and adopting different cooling speeds for different metals;
s10, after the shaping is finished, the cylinder (10) is lifted, and at the moment, the booster module controls the punch (14) by itself according to the running state of the cylinder (10), and automatically punches the separation plate (13) according to different types of metals, so that the formed metals are fully separated from the lower die (6);
s11, the operator takes the shaped metal blocks, if the bundling work needs to be continued, the step S2 to the step S10 are repeated, if the operation needs to be stopped, the drive controller (8) stops operating, and the intelligent casting system stops operating.
6. The gravity casting apparatus based on transient pressure distribution of claim 5, wherein: in the steps S1 to S5, P Qi (Qi) ＝C Heat generation *p Is a system *2 10 +p Decrease in the thickness of the steel In which P is Qi (Qi) Is the operating power of the air pump (3), C Heat generation For the thermal conductivity, p, of the liquid metal detected by the detection module Is a system Is the power p of the air pump (3) under the metal heat conductivity coefficient of one unit Decrease in the thickness of the steel For the loss value in the power transmission process, when the heat conductivity coefficient of the metal is higher, the heat dissipation performance is stronger, and the cooling speed is faster, so that the operation power of the air pump (3) is higher, the extrusion strength of the extrusion plate (5) to the liquid metal is higher, and the flow speed of the liquid metal is faster.
7. The gravity casting apparatus based on transient pressure distribution of claim 6, wherein: in the step S9, in order to increase the cooling speed of the liquid metal in the lower die (6), the following formula is used for solving the problem:
when P is Qi (Qi) <P Is provided with When it is, then F Health-care product The value is one;
when P is present Qi (Qi) ≥P Is provided with When it is, then F Health-care product The value is zero, when F Cold The value becomes zero;
in the formula, F Cold For the operating power of the condenser (9), F Pole Is the maximum operating power of the condenser (9), f Is a system Operating power of the condenser (9) corresponding to the operating power of the air pump (3) per unit, F Health-care product Is a protective value of the formula, P Is provided with The operation power of the air pump (3) is set for the system, when the operation power of the air pump (3) is higher, the cooling speed of the metal is higher, the liquid state is naturally cooled after entering the lower die (6), at the moment, the operation power of the condenser (9) is lower, the operation energy consumption of the condenser (9) is reduced, the cooling speed of the liquid metal which cannot be rapidly cooled is accelerated, the production speed is increased, and meanwhile, when the cooling speed of the metal is higher than a certain value, the condenser (9) stops operating, so that the quality precision of the metal cannot be guaranteed after excessive cooling is avoided.
8. The gravity casting apparatus based on transient pressure distribution of claim 7, wherein: in the step S6 and the step S7, the driving module performs different degrees of driving power on the cylinder (10) according to different metals through the metal types judged by the judging module, changes the pressing force on the metals, avoids the phenomenon that the processing quality is affected by dimension errors caused by the fact that the softer metals are over-pressed, and increases the pressing force on the harder metals to form, so that the harder metals are quickly formed.
9. The gravity casting apparatus based on transient pressure distribution of claim 8, wherein: in the step S8, the driving module is used to control the press (12) and change the degree of the pressing force of the press (12) on the left and right sides of the lower die (6), so that the side surfaces of the metal can be sufficiently pressed, and the upper surface of the metal is prevented from being pressed and expanded outward from the two sides to affect the quality.
10. The gravity casting apparatus based on transient pressure distribution of claim 9, wherein: in the step S10, after the cylinder (10) moves upwards and resets, the formed metal needs to be taken, in order to be taken conveniently, the boosting module regulates and controls the punching force degree of the punching device (14) through the operation state change of the cylinder (10), the thrust of the separation plate (13) is automatically increased aiming at the metal which is difficult to take out, the metal fully protrudes out of the lower die (6), the taking is convenient, the thrust is reduced aiming at the metal which is easy to take out, and the metal block is prevented from being pushed out, and the edge angle of the metal block is prevented from being damaged due to the fact that the device falls on the ground.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116100726A (en) * | 2023-04-13 | 2023-05-12 | 江苏云博智能科技有限公司 | Plastic body processing and forming mechanism based on hydraulic transmission |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116100726A (en) * | 2023-04-13 | 2023-05-12 | 江苏云博智能科技有限公司 | Plastic body processing and forming mechanism based on hydraulic transmission |
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