CN219052863U - Automatic control box for process gas in aluminum ingot casting - Google Patents
Automatic control box for process gas in aluminum ingot casting Download PDFInfo
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- CN219052863U CN219052863U CN202223408993.5U CN202223408993U CN219052863U CN 219052863 U CN219052863 U CN 219052863U CN 202223408993 U CN202223408993 U CN 202223408993U CN 219052863 U CN219052863 U CN 219052863U
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Abstract
The utility model relates to an automatic control box for process gas in aluminum ingot casting, which is arranged on a mould plate platform, wherein the control box is communicated with an external gas source of the process gas, the process gas is divided into multiple paths in the control box, a proportional flow valve group corresponding to each path of process gas is arranged in the control box, and the process gas is supplied to a corresponding crystallizer in the mould plate platform after the flow of the process gas is independently regulated by the proportional flow valve group; the cooling assembly is used for controlling the temperature inside the control box; the utility model can automatically and independently adjust the flow pressure of the process gas flowing into each crystallizer, greatly assist in improving the die plate casting process, improve the performance and quality of aluminum ingots and realize the automatic control of the process gas in the casting of the aluminum ingots.
Description
Technical Field
The utility model relates to the technical field of aluminum ingot casting, in particular to an automatic control box for process gas in aluminum ingot casting.
Background
The full-automatic aluminum round ingot casting equipment is one of aluminum round ingot casting forming equipment. Full-automatic aluminum round ingot is cast by conveying aluminum liquid to a mould plate platform, and process gas required by casting is distributed into each crystallizer according to the required flow. In the actual use process, the flow of the process gas needs to be adjusted according to the detected back pressure value in each crystallizer so as to ensure the casting quality of the aluminum round ingot.
In the prior art, the flow of process gas is manually adjusted for each crystallizer at the casting site by staff, so that the casting quality of the aluminum round ingot is unstable due to the adjustment error or untimely adjustment; in addition, the flow regulating devices of the process gas are all assembled at the corresponding crystallizer nearby, so that operators are required to approach the mold plates to operate, certain danger is caused, and the process is troublesome in adjusting a plurality of crystallizers, and the operation is inconvenient.
Disclosure of Invention
The applicant provides the technical gas automatic control box for aluminum ingot casting with reasonable structure aiming at the defects in the prior art, so that the flow pressure of the technical gas flowing into each crystallizer can be automatically and independently accurately adjusted, the mold casting process is greatly improved, the performance and quality of the aluminum ingot are improved, and the automatic control of the technical gas in aluminum ingot casting is realized.
The technical scheme adopted by the utility model is as follows:
the automatic control box is arranged on the mould plate platform, the control box is communicated with an external gas source of the process gas, the process gas is divided into multiple paths in the control box, proportional flow valve groups corresponding to the process gas paths are arranged in the control box, and the process gas is supplied to corresponding crystallizers in the mould plate platform after the process gas flows are independently regulated by the proportional flow valve groups; the cooling assembly is used for controlling the temperature inside the control box.
As a further improvement of the above technical scheme:
the control box comprises a vertical valve block, and a plurality of proportional flow valve groups are sequentially arranged on the side surfaces of the vertical valve block; the inner part of the vertical valve block is provided with a hole to form a total channel, a plurality of transverse branches communicated with the total channel are arranged perpendicular to the side surface of the vertical valve block, and the positions of the transverse branch orifices are communicated with the air inlets of the corresponding proportional flow valve groups in a matched manner; the inside of the vertical valve block is also provided with a plurality of mutually independent air channels, an orifice at one end of each air channel is matched and communicated with an air outlet hole of the corresponding proportional flow valve group, and the other end of each air channel is communicated with an external crystallizer; the transverse shunt, the proportional flow valve group and the air passage are in one-to-one correspondence, and the transverse shunt and the air passage which are arranged in the vertical valve block respectively form air inlet and air outlet of the corresponding proportional flow valve group.
The main channel is horizontally arranged at the upper part of the interior of the vertical valve block, the main channel is communicated and extended towards the side surface of the vertical valve block along the diameter direction to form a transverse branch, the bottom surface of the main channel is downwards extended at intervals along the length direction to form a plurality of vertical branches, and the bottom ends of the vertical branches are communicated and extended towards the direction vertical to the side surface of the vertical valve block to form another group of transverse branches; the proportional flow valve group is orderly provided with two or more rows along with the opening of the transverse branch on the vertical valve block;
and/or the transverse branches vertically penetrate through the two opposite side surfaces along the thickness direction of the vertical valve block, and the proportional flow valve groups are respectively assembled at the transverse branch orifices positioned on the two side surfaces of the vertical valve block.
The bottom of the bottom plate is provided with a flat valve block, a through groove penetrating up and down is formed in the bottom plate, the bottom end of the vertical valve block downwards penetrates through the through groove and is attached to the top surface of the flat valve block, and the front side surface of the flat valve block is also provided with a side valve plate; a main air inlet communicated with an air source of external process air is formed in front and back of one end of the side valve plate, an air passage communicated with the main air inlet is formed in the flat valve block, and the end part of the air passage is communicated and connected with a main channel in the vertical valve block; a plurality of gas outlets are formed in the side valve plate in a front-back penetrating manner, and the front end orifice of the gas outlet is communicated with the crystallizer through an external pipeline; and a plurality of air outlet passages are formed in the flat valve block, one end of each air outlet passage is communicated with the rear end hole of the air outlet on the side valve plate, and the other end of each air outlet passage is communicated with the air passage hole in the vertical valve block.
The bottom plate is provided with a high-pressure proportional pressure regulating valve which is arranged between the outlet of the gas passage and the inlet of the main passage in a communicating way, one end of the gas passage is provided with a vertical section communicated with the high-pressure proportional pressure regulating valve, and the other end of the gas passage is provided with a horizontal section communicated with the main air inlet; the system also comprises a total pressure sensor for measuring the pressure of the process gas in the total channel, a pressure gauge for displaying the pressure value of the process gas in the total channel and a thermocouple for detecting the temperature of the process gas in the total channel.
The number of the air outlet passages is uniformly and correspondingly equal to the number of air passages in the vertical valve block and the number of the proportional flow valve groups, and one or two air outlet passages are corresponding to one air separating outlet on the side valve plate; when the two air outlet passages are communicated with one air outlet, the side valve plate is provided with an air outlet and a blind hole which are respectively communicated with the two air outlet passages, and the air outlet and the blind hole are communicated through a transverse hole.
The cooling assembly is arranged in the outer shell; the structure of the cooling component is as follows: the temperature-adjustable switch is electrically connected with an external controller; a cooling air inlet is formed in a side valve plate positioned outside the side surface of the main air inlet, and a cooling passage is formed in the flat valve block; the front side surface of the vertical valve block is provided with an electromagnetic valve, and the output end of the electromagnetic valve is fixedly provided with a vortex cooler in a communicating way; one end of the cooling passage is communicated with the cooling air inlet in a matched mode, and the other end of the cooling passage is communicated with the input end of the electromagnetic valve through an external pipeline.
The vortex cooler and the temperature-adjustable switch are respectively arranged at two opposite corners inside the control box.
The structure of the single-group proportional flow valve group is as follows: the valve comprises a valve body, wherein a long hole is formed in the valve body, a valve core is assembled in the long hole, and a central air hole communicated with the long hole is formed through the valve core; the long hole positioned outside one end of the valve core is communicated with the double-contact pressure sensor through the first detection hole; the long hole outside the other end of the valve core is laterally penetrated and extended with more than two locking holes, one locking hole is provided with an electromagnetic switch valve in a matched and communicated manner, and the other locking holes are provided with electromagnetic proportional valves in a matched and communicated manner; the outer wall surface of the joint of the valve core and the long hole is provided with a ring groove along the circumferential direction, and a central air hole of the valve core is connected to the double-contact pressure sensor through the ring groove and a second detection hole; more than two air-dividing holes corresponding to the output ends of the electromagnetic switch valve and the electromagnetic proportional valve one by one are further formed in the valve body, the air-dividing holes are collected together to a collecting hole, one end of the collecting hole is connected to the partial pressure sensor, and the other end of the collecting hole extends to the lateral direction of the end face of the valve body to form an air outlet hole.
The air inlet and the air outlet are parallel to each other, and the orifices of the air inlet and the air outlet are positioned on the same end face of the valve body.
The beneficial effects of the utility model are as follows:
the utility model has compact and reasonable structure and convenient operation, and the adjusting devices for the process gas in each crystallizer are commonly accommodated in the control box through the arrangement of the control box, so that the flow pressure of the process gas flowing into each crystallizer can be automatically, independently, timely, accurately and quickly adjusted, the stability of the process gas in each crystallizer is effectively ensured, the mold casting process is greatly improved, the performance and quality of aluminum ingots are improved, and the automatic control of the process gas in the aluminum ingot casting is realized;
the utility model also has the following advantages:
the environment temperature inside the control box can be automatically and timely controlled by the arrangement of the cooling component in the control box, so that the stable and reliable operation of components in the control box is effectively assisted;
through the arrangement of the control box, the automatic adjustment of the process gas of each crystallizer in the mold plate platform is realized, so that operators do not need to work close to the mold plate platform or even each crystallizer for the flow adjustment of the process gas, and the safety of the operators is effectively ensured; in addition, the adjustment and operation parameters of the process gas in each crystallizer can be conveniently obtained through an external control system, the process and state evaluation of the crystallizer are convenient, and the practicability is good;
and each proportional flow valve group on the vertical valve block is used for adjusting the gas flow corresponding to the corresponding crystallizer, and the proportional flow valve groups can be used interchangeably, so that the control box is convenient to install and maintain.
Drawings
FIG. 1 is a schematic view of the present utility model in use on a platen.
Fig. 2 is a schematic structural view of the present utility model (the outer case is omitted).
FIG. 3 is a schematic flow of a process gas according to the present utility model.
Fig. 4 is a schematic structural view of the vertical valve block of the present utility model.
Fig. 5 is a schematic structural view of a side valve plate according to the present utility model.
FIG. 6 is a schematic flow diagram of a cooling system according to the present utility model.
Fig. 7 is a schematic structural diagram of a proportional flow valve set according to the present utility model.
Fig. 8 is a cross-sectional view of a proportional flow valve block of the present utility model.
Fig. 9 is a cross-sectional view of the proportional flow valve block of the present utility model taken along the direction A-A in fig. 8.
Fig. 10 is a cross-sectional view of the proportional flow valve block of the present utility model taken along the direction B-B in fig. 8.
FIG. 11 is a schematic view of the control box of the present utility model at another viewing angle.
Wherein: 1. a bottom plate; 2. a side valve plate; 3. a flat valve block; 4. a bracket; 5. a cooling assembly; 6. a high pressure ratio pressure regulating valve; 7. a vertical valve block; 8. a proportional flow valve block; 9. an outer housing; 10. a control box; 20. a mould plate platform; 30. a backing plate; 40. a plug;
11. a through groove;
21. a total air inlet; 22. a cooling air inlet; 23. a separating air outlet; 24. a blind hole; 25. a transverse hole;
31. a cooling passage; 32. a gas passage; 33. an air outlet passage;
50. aviation plug; 51. an electromagnetic valve; 52. a vortex cooler; 53. an adjustable temperature switch;
61. a pressure gauge; 62. a total pressure sensor; 63. a thermocouple;
71. a total channel; 72. a lateral shunt; 73. a vertical branch; 74. an air path; 75. a connection hole;
80. a valve body; 81. a dual contact pressure sensor; 82. an electromagnetic switch valve; 83. an electromagnetic proportional valve; 84. a valve core; 85. a partial pressure sensor; 86. a support block; 801. an air inlet hole; 802. a long hole; 803. detecting a first hole; 804. a ring groove; 805. a locking hole; 806. summarizing the holes; 807. an air outlet hole; 808. a second detection hole; 809. and air dividing holes.
Detailed Description
The following describes specific embodiments of the present utility model with reference to the drawings.
As shown in fig. 1, in the automatic control box for aluminum ingot casting process gas in this embodiment, a control box 10 is arranged on a mold platform 20, the control box 10 is communicated with an external gas source of process gas, the process gas is divided into multiple paths in the control box 10, a proportional flow valve group 8 corresponding to each path of process gas is arranged in the control box 10, and after the flow of the process gas is independently regulated by the proportional flow valve group 8, the process gas is supplied to a corresponding crystallizer in the mold platform 20; a cooling assembly 5 for controlling the temperature inside the control box 10 is also included.
In this embodiment, by setting the control box 10, the adjustment devices for the process gases in each crystallizer are commonly contained in the control box 10, so that the flow pressure of the process gases flowing into each crystallizer can be automatically, independently and remotely adjusted in time, accurately and quickly without the need for an operator to adjust the process gases close to each crystallizer.
Through the setting of cooling module 5 in control box 10, can in time carry out ambient temperature control to control box 10 inside, effective helping hand control box 10 internal components and parts's stable, reliable operation.
As shown in fig. 2 and 3, the control box 10 comprises a vertical valve block 7, and a plurality of proportional flow valve groups 8 are sequentially arranged on the side surface of the vertical valve block 7; the inner part of the vertical valve block 7 is provided with a hole to form a total channel 71, a plurality of transverse branches 72 communicated with the total channel 71 are arranged vertical to the side surface of the vertical valve block 7, and the orifices of the transverse branches 72 are matched and communicated with the air inlets 801 of the corresponding proportional flow valve groups 8; the interior of the vertical valve block 7 is also provided with a plurality of mutually independent air channels 74, one end orifice of each air channel 74 is matched and communicated with an air outlet hole 807 of the corresponding proportional flow valve group 8, and the other end of each air channel 74 is communicated with an external crystallizer; the transverse branches 72, the proportional flow valve groups 8 and the air channels 74 are in one-to-one correspondence, and the transverse branches 72 and the air channels 74 which are arranged in the vertical valve block 7 respectively form air inlet and air outlet of the corresponding proportional flow valve groups 8.
In this embodiment, each proportional flow valve group 8 on the vertical valve block 7 is used for adjusting the gas flow corresponding to the corresponding crystallizer, and the proportional flow valve groups 8 are used as relatively independent modules, which can be used interchangeably, so that the control box 10 can be conveniently installed and maintained.
As shown in fig. 4, the total channel 71 is horizontally arranged at the upper part of the interior of the vertical valve block 7, the total channel 71 extends along the diameter direction to the side surface of the vertical valve block 7 in a penetrating way to form a transverse branch 72, the bottom surface of the total channel 71 extends downwards along the length direction at intervals to form a plurality of vertical branches 73, and the bottom ends of the vertical branches 73 extend along the direction vertical to the side surface of the vertical valve block 7 in a penetrating way to form another group of transverse branches 72; the proportional flow valve group 8 is orderly provided with two or more rows along with the opening of the transverse shunt 72 on the vertical valve block 7;
and/or the transverse branches 72 vertically penetrate through the two opposite side surfaces along the thickness direction of the vertical valve block 7, and the proportional flow valve groups 8 are respectively assembled at the openings of the transverse branches 72 on the two side surfaces of the vertical valve block 7.
In this embodiment, the proportional flow valve groups 8 may be arranged on a single side or two sides of the vertical valve block 7 according to the actual requirement, and one or more than two rows of proportional flow valve groups 8 may be arranged on one side according to the actual situation, and only the communicated transverse branches 72 need to be correspondingly arranged on the total channel 71 inside the vertical valve block 7, so as to realize independent control of process gases in multiple crystallizers, and effectively integrate the control components in the same control box 10, which is greatly convenient for maintenance.
The valve block comprises a bottom plate 1, a flat valve block 3 is assembled on the bottom surface of the bottom plate 1, a through groove 11 penetrating up and down is formed in the bottom plate 1, the bottom end of a vertical valve block 7 downwards penetrates through the through groove 11 and then is attached to the top surface of the flat valve block 3, and a side valve plate 2 is further arranged on the front side surface of the flat valve block 3; one end of the side valve plate 2 is provided with a total air inlet 21 communicated with an air source of external process air in a front-back penetrating way, the flat valve block 3 is internally provided with an air passage 32 communicated with the total air inlet 21, and the end part of the air passage 32 is communicated and connected with a total channel 71 in the vertical valve block 7; a plurality of air outlets 23 are formed in the side valve plate 2 in a front-back penetrating way, and the front end hole of the air outlet 23 is communicated with the crystallizer through an external pipeline; a plurality of air outlet passages 33 are arranged in the flat valve block 3, one end of each air outlet passage 33 is communicated with the hole at the rear end of the air outlet 23 on the side valve plate 2, and the other end of each air outlet passage 33 is communicated with the hole of the air passage 74 in the vertical valve block 7.
In this embodiment, a backing plate 30 is further pressed on the opposite side surface of the side valve plate 2 and the flat valve block 3, where the backing plate 30 is used to effectively ensure reliability of mutual adhesion between the side valve plate 2 and the flat valve block 3, especially reliability and tightness of engagement between corresponding hole sites on the side valve plate 2 and the flat valve block 3.
In this embodiment, the right and left sides of the flat valve block 3 may be symmetrically provided with brackets 4 having a right angle structure to support and fix the flat valve block.
The bottom plate 1 is provided with a high-pressure proportional pressure regulating valve 6, the high-pressure proportional pressure regulating valve 6 is arranged between the outlet of the gas passage 32 and the inlet of the main passage 71 in a communicating way, one end of the gas passage 32 is provided with a vertical section communicated with the high-pressure proportional pressure regulating valve 6, and the other end of the gas passage 32 is provided with a horizontal section communicated with the main gas inlet 21; also included are a total pressure sensor 62 for measuring the pressure of the process gas in the total passage 71, a pressure gauge 61 for displaying the value of the pressure of the process gas in the total passage 71, and a thermocouple 63 for detecting the temperature of the process gas in the total passage 71.
In the present embodiment, the total pressure of the process gas flowing into the total passage 71 is detected by the total pressure sensor 62, displayed by the pressure gauge 61, and when the total pressure fluctuates or needs to fluctuate, the adjustment control is performed by the high-pressure proportional pressure regulating valve 6 so that the total pressure is constant at a preset value.
In this embodiment, the total channel 71 is located at the upper portion of the vertical valve block 7, and the inlet of the total channel 71 may be disposed at the end portion thereof, or may be disposed on the side surface of the vertical valve block 7, for example, in fig. 4, the engagement hole 75 is disposed in the engagement hole 75, and the aperture of the engagement hole 75 is disposed on the front side surface of the vertical valve block 7, and the aperture of the engagement hole 75 is used as the inlet of the total channel 71.
In the embodiment, the air passage 74 is of an inverted L-shaped structure, the end part of the horizontal part of the air passage 74 is positioned on the side surface of the vertical valve block 7 and is assembled and communicated with the corresponding proportional flow valve group 8, and the vertical part of the air passage 74 downwards penetrates through the vertical valve block 7; the air outlet passage 33 is of an L-shaped structure, a top orifice of the vertical part of the air outlet passage 33 is positioned below a bottom orifice of the vertical part of the air passage 74, and the horizontal part of the air outlet passage 33 is communicated and connected with the air outlet passage 33 on the side valve plate 2.
The number of the air outlet passages 33 is equal to the number of the air passages 74 in the vertical valve block 7 and the number of the proportional flow valve groups 8, and one or two air outlet passages 33 are corresponding to one air outlet 23 on the side valve plate 2.
In this embodiment, for smaller crystallizers, it is sufficient to control the gas flow through a proportional flow valve group 8, that is, by a gas outlet passage 33 communicating with the crystallizer in correspondence of a branch gas outlet 23; for larger crystallizers, the control of the gas flow can be performed via two proportional flow valve groups 8, that is to say, the two outlet channels 33 can be connected to the crystallizer in correspondence of one of the branch outlets 23, so that the control of the process gas flow into the respective crystallizer can be performed via two proportional flow valve groups 8 respectively connected to the outlet channels 33.
Of course, in the case of a smaller or lesser number of crystallizers, the corresponding openings of the standing valve block 7 for the fitting of the proportional flow valve block 8 can be blocked.
As shown in fig. 5, when two air outlet passages 33 are communicated with one air outlet 23, the side valve plate 2 is provided with the air outlet 23 and the blind hole 24 which are respectively communicated with the two air outlet passages 33, and the air outlet 23 and the blind hole 24 are communicated with each other through the transverse hole 25.
In this embodiment, the transverse hole 25 is obtained by drilling the end face of the side valve plate 2 inwards during processing, and in the actual use process, the hole left on the end face during processing of the transverse hole 25 can be plugged by the plug 40; of course, other gas flow passages, such as the total channel 71, the vertical branch 73, the cooling passage 31, the gas passage 32, etc., will leave openings on the corresponding end surfaces during processing, and the plugs 40 may be plugged according to actual use, for example, the openings formed on the end surfaces of the gas passage 32 in fig. 3.
The cooling device also comprises an outer shell 9 which is used for containing the control box 10 to form an inner space, and the cooling component 5 is arranged inside the outer shell 9; as shown in fig. 2 and 6, the cooling module 5 has the structure: the temperature-adjustable switch 53 is electrically connected with an external controller, and the temperature-adjustable switch 53 can be arranged on the bottom plate 1 or the flat valve block 3 according to actual conditions; a cooling air inlet 22 is formed in the side valve plate 2 positioned outside the side surface of the total air inlet 21, and a cooling passage 31 is formed in the flat valve block 3; the front side surface of the vertical valve block 7 is provided with an electromagnetic valve 51, and the output end of the electromagnetic valve 51 is fixedly provided with a vortex cooler 52 in a communication way; one end of the cooling passage 31 is fitted in communication with the cooling intake port 22, and the other end of the cooling passage 31 is in communication with the input end of the solenoid valve 51 via an external pipe.
The scroll cooler 52 and the temperature-adjustable switch 53 are provided at opposite corners inside the control box 10.
As shown in fig. 9, an adjustable temperature switch 53 is installed at a position of the back surface of the control box 10 away from the scroll cooler 52, such as a right-hand lower portion of the back surface, and a temperature value is preset via the adjustable temperature switch 53; and as shown in fig. 2, a scroll cooler 52 is installed at the lower left end of the front side of the control box 10; when the temperature-adjustable switch 53 detects that the temperature exceeds a preset value, the electromagnetic valve 51 is closed to form a passage, and cooling gas cools the inside of the control box 10 through the vortex cooler 52 to cool; the temperature-adjustable switch 53 and the scroll cooler 52 are disposed at diagonal positions at a relatively long distance so that the temperature measured via the temperature-adjustable switch 53 is relatively reliable and stable, thereby enabling accurate representation of the real-time temperature inside the control box 10.
As shown in fig. 7, 8, 9 and 10, the structure of the single-group proportional flow valve group 8 is: the valve comprises a valve body 80, wherein a long hole 802 is formed in the valve body 80, a valve core 84 is assembled in the long hole 802, and a central air hole communicated with the long hole 802 is formed through the valve core 84; a long hole 802 located outside one end of the spool 84 extends therethrough an air intake hole 801, the long hole 802 being communicated to the double-contact pressure sensor 81 via a first detection hole 803; the long hole 802 outside the other end of the valve core 84 is laterally penetrated and extended with more than two locking holes 805, one locking hole 805 is provided with an electromagnetic switch valve 82 in a matched and communicated manner, and the other locking holes 805 are provided with electromagnetic proportional valves 83 in a matched and communicated manner; a ring groove 804 is formed on the outer wall surface of the joint of the valve core 84 and the long hole 802 along the circumferential direction, and a central air hole of the valve core 84 is connected to the double-contact pressure sensor 81 through the ring groove 804 and a second detection hole 808; the valve body 80 is also internally provided with more than two air distribution holes 809 which are in one-to-one correspondence with the output end of the electromagnetic switch valve 82 and the output end of the electromagnetic proportional valve 83, the plurality of air distribution holes 809 are collectively gathered into a gathering hole 806, one end of the gathering hole 806 is connected to the partial pressure sensor 85, and the other end of the gathering hole 806 extends to the lateral direction of the end face of the valve body 80 to form an air outlet hole 807; the inlet port 801 and the outlet port 807 are parallel to each other and the orifices thereof are located on the same end face of the valve body 80.
In this embodiment, the process gas flowing into the proportional flow valve group 8 from the gas inlet 801 flows through the electromagnetic switch valve 82 and the electromagnetic proportional valve 83, and the flow rate of the process gas finally flowing out of the proportional flow valve group 8 through the gas outlet 807 is adjusted by opening and closing the electromagnetic switch valve 82 and proportional adjustment of the electromagnetic proportional valve 83.
In this embodiment, the pressure of the process gas flowing into the proportional flow valve set 8 and before the flow adjustment is detected by the double-contact pressure sensor 81, for example, the process gas in the long hole 802 in front of the valve core 84 is guided to the double-contact pressure sensor 81 by the first detection hole 803, and the process gas in the valve core 84 is guided to the double-contact pressure sensor 81 by the second detection hole 808, so that the pressure detection at two positions is realized before the flow adjustment in the proportional flow valve set 8.
After the process gas is subjected to flow rate adjustment by combining the electromagnetic switching valve 82 and the electromagnetic proportional valve 83, the process gas output outwards from the collecting hole 806 is subjected to pressure detection by the partial pressure sensor 85; therefore, the flow rate of the process gas flowing into the corresponding crystallizer is independently, effectively and accurately regulated and controlled by the proportional flow valve group 8 through the double-contact pressure sensor 81 and the partial pressure sensor 85.
In this embodiment, the pressure at the air outlet 807 of the proportional flow valve set 8 detected by the partial pressure sensor 85 is the back pressure of the crystallizer; the increase or decrease of the process gas supply flow rate, i.e., the back pressure value of the crystallizer is changed, is automatically judged by the detection value of the partial pressure sensor 85, thereby realizing the real-time adjustment and control of the flow pressure of the process gas flowing into the crystallizer.
In this embodiment, the valve body 80 is provided with a support block 86, the dual-contact pressure sensor 81 is provided on the support block 86, and the partial pressure sensor 85 is provided between the valve body 80 and the support block 86.
The air inlet hole 801 and the air outlet hole 807 are parallel to each other, and the orifices of the air inlet hole 801 and the air outlet hole 807 are positioned on the same end face of the valve body 80, so that the installation between the proportional flow valve group 8 and the vertical valve block 7 is facilitated, and the alignment and the assembly of the air inlet hole 801 and the corresponding transverse shunt 72 on the vertical valve block 7 can be effectively ensured after the installation, and the alignment and the assembly of the air outlet hole 807 and the corresponding air channel 74 on the vertical valve block 7 can be effectively ensured.
In this embodiment, the control box 10 is further provided with an aviation plug 50, and the control box 10 is connected with an external general control system via the aviation plug 50, so as to implement central control, thereby being capable of more conveniently implementing operations such as adjusting and controlling components in the control box 10 in a remote manner, outputting and displaying signals, and further being convenient for use in actual production.
In this embodiment, the control box 10 may be disposed at the edge of the corresponding mold platform 20, which is convenient for installation, maintenance and use; of course, according to the actual situation, more than one control box 10 may be provided on the same mold platform 20.
The application method of the process gas automatic control box for aluminum ingot casting of the embodiment comprises the following steps:
the external process gas flows into the control box 10 through the total gas inlet 21 on the side valve plate 2, the process gas flows back through the gas passage 32 on the flat valve block 3 and then flows into the total channel 71 on the vertical valve block 7, and the pressure of the process gas flowing into the total channel 71 is controlled to be a set value by the high-pressure proportional pressure regulating valve 6; the high pressure ratio regulating valve 6 is adjusted according to the value monitoring of the total pressure sensor 62 and the preset flow or the manual remote input value;
the process gas in the total channel 71 is divided into multiple paths through the transverse branch 72 and flows into the corresponding proportional flow valve groups 8 respectively, the independent flow adjustment is carried out on each path of process gas through the proportional flow valve groups 8, and the process gas flowing out of each proportional flow valve group 8 flows out of the corresponding crystallizer outside through the gas path 74 in the vertical valve block 7, the gas outlet passage 33 in the flat valve block 3 and the gas outlet 23 on the side valve plate 2 in sequence;
during use, the flow of the process gas flowing through is regulated via the proportional flow valve block 8 to regulate the flow pressure of the process gas flowing into the crystallizer in real time.
For the single-group proportional flow valve group 8, the process gas is input through the air inlet 801 and flows into the long hole 802, is split back to the electromagnetic proportional valve 83 and the electromagnetic switch valve 82 through the valve core 84 in the long hole 802, flows out of the output ends of the electromagnetic proportional valve 83 and the electromagnetic switch valve 82 through the air distribution holes 809 and is collected to the collecting holes 806, and flows out of the proportional flow valve group 8 through the air outlet 807; when the process gas is conveyed in the proportional flow valve group 8, the pressure of the process gas is monitored by the double-contact pressure sensor 81 through the first detection hole 803 and the second detection hole 808 when the process gas enters the long hole 802 and the valve core 84, and the pressure of the process gas is monitored again through the partial pressure sensor 85 after the flow rate adjustment of the electromagnetic proportional valve 83 and the electromagnetic switch valve 82 is summarized.
The cooling assembly 5 monitors and adjusts the ambient temperature inside the control box 10 in real time.
In this embodiment, by setting the control box 10, automatic adjustment of the process gas of each crystallizer in the mold plate platform 20 is realized, so that operators do not need to work close to the mold plate platform 20 or even each crystallizer for flow adjustment of the process gas, and personnel safety is effectively ensured; in addition, the adjustment and operation parameters of the process gas in each crystallizer can be conveniently obtained through an external control system, the process and state evaluation of the crystallizer are convenient, and the practicability is good.
The utility model can automatically and independently adjust the flow pressure of the process gas flowing into each crystallizer in time, accurately and quickly in a remote way, effectively ensures the stability of the process gas in each crystallizer, greatly improves the mold casting process, improves the performance and quality of aluminum ingots, and realizes the automatic control of the process gas in the aluminum ingot casting.
The above description is intended to illustrate the utility model and not to limit it, the scope of which is defined by the claims, and any modifications can be made within the scope of the utility model.
Claims (10)
1. An automatic control box for process gas in aluminum ingot casting is characterized in that: the control box (10) is arranged on the mould plate platform (20), the control box (10) is communicated with an external air source of the process gas, the process gas is divided into multiple paths in the control box (10), a proportional flow valve group (8) corresponding to each path of process gas is arranged in the control box (10), and the process gas is supplied to a corresponding crystallizer in the mould plate platform (20) after the flow of the process gas is independently regulated by the proportional flow valve group (8); the cooling device also comprises a cooling component (5) for controlling the temperature inside the control box (10).
2. The automatic control box for aluminum ingot casting process gas according to claim 1, wherein: the control box (10) comprises a vertical valve block (7), and a plurality of proportional flow valve groups (8) are sequentially arranged on the side surfaces of the vertical valve block (7); the inner part of the vertical valve block (7) is provided with a hole to form a total channel (71), a plurality of transverse branches (72) communicated with the total channel (71) are arranged perpendicular to the side surface of the vertical valve block (7), and the orifice of each transverse branch (72) is matched and communicated with an air inlet hole (801) of a corresponding proportional flow valve group (8); a plurality of mutually independent air channels (74) are further formed in the vertical valve block (7), one end orifice of each air channel (74) is communicated with an air outlet hole (807) of the corresponding proportional flow valve group (8) in a matched mode, and the other end of each air channel (74) is communicated with an external crystallizer; the transverse branches (72), the proportional flow valve groups (8) and the air channels (74) are in one-to-one correspondence, and the transverse branches (72) and the air channels (74) which are arranged in the vertical valve block (7) respectively form air inlet and air outlet of the corresponding proportional flow valve groups (8).
3. The automatic control box for aluminum ingot casting process gas according to claim 2, wherein: the main channel (71) is horizontally arranged at the upper part of the inside of the vertical valve block (7), the main channel (71) is penetrated and extended towards the side surface of the vertical valve block (7) along the diameter direction to form a transverse branch (72), the bottom surface of the main channel (71) is downwards extended at intervals along the length direction to form a plurality of vertical branches (73), and the bottom ends of the vertical branches (73) are penetrated and extended towards the direction vertical to the side surface of the vertical valve block (7) to form another group of transverse branches (72); the proportional flow valve group (8) is orderly provided with two or more rows along with the opening of the transverse shunt (72) on the vertical valve block (7);
and/or the transverse branches (72) vertically penetrate through the two opposite side surfaces along the thickness direction of the vertical valve block (7), and proportional flow valve groups (8) are respectively assembled at the orifices of the transverse branches (72) positioned on the two side surfaces of the vertical valve block (7).
4. The automatic control box for aluminum ingot casting process gas according to claim 2, wherein: the valve block is characterized by further comprising a bottom plate (1), wherein a flat valve block (3) is assembled on the bottom surface of the bottom plate (1), a through groove (11) penetrating up and down is formed in the bottom plate (1), the bottom end of the vertical valve block (7) downwards penetrates through the through groove (11) and then is attached to the top surface of the flat valve block (3), and a side valve plate (2) is further arranged on the front side surface of the flat valve block (3); a main air inlet (21) communicated with an air source of external process air is formed in front and back of one end of the side valve plate (2), an air passage (32) communicated with the main air inlet (21) is formed in the flat valve block (3), and the end part of the air passage (32) is communicated and connected with a main channel (71) in the vertical valve block (7); a plurality of gas outlets (23) are formed in the side valve plate (2) in a penetrating way in the front-back direction, and the front end hole of the gas outlet (23) is communicated with the crystallizer through an external pipeline; a plurality of air outlet passages (33) are formed in the flat valve block (3), one end of each air outlet passage (33) is communicated with the rear end hole of the air outlet (23) on the side valve plate (2), and the other end of each air outlet passage (33) is communicated with the hole of the air passage (74) in the vertical valve block (7).
5. The automatic control box for aluminum ingot casting process gas according to claim 4, wherein: the high-pressure proportional pressure regulating valve (6) is arranged on the bottom plate (1), the high-pressure proportional pressure regulating valve (6) is arranged between the outlet of the gas passage (32) and the inlet of the main channel (71) in a communicating mode, one end of the gas passage (32) is arranged to be a vertical section communicated with the high-pressure proportional pressure regulating valve (6), and the other end of the gas passage (32) is arranged to be a horizontal section communicated with the main air inlet (21); also included are a total pressure sensor (62) for measuring the pressure of the process gas in the total passage (71), a pressure gauge (61) for displaying the pressure value of the process gas in the total passage (71), and a thermocouple (63) for detecting the temperature of the process gas in the total passage (71).
6. The automatic control box for aluminum ingot casting process gas according to claim 4, wherein: the number of the air outlet passages (33) is uniformly and uniformly corresponding to the number of air passages (74) in the vertical valve block (7) and the number of the proportional flow valve groups (8), and one or two air outlet passages (33) correspond to one air separating outlet (23) on the side valve plate (2); when the two air outlet passages (33) are communicated with one air outlet (23), the side valve plate (2) is provided with the air outlet (23) and the blind hole (24) which are respectively communicated with the two air outlet passages (33), and the air outlet (23) and the blind hole (24) are communicated through the transverse hole (25).
7. The automatic control box for aluminum ingot casting process gas according to claim 4, wherein: the cooling device also comprises an outer shell (9) which is used for containing the control box (10) to form an inner space, and the cooling assembly (5) is arranged in the outer shell (9); the structure of the cooling component (5) is as follows: the temperature-adjustable switch (53) is electrically connected with an external controller; a cooling air inlet (22) is formed in a side valve plate (2) positioned outside the side surface of the main air inlet (21), and a cooling passage (31) is formed in the flat valve block (3); an electromagnetic valve (51) is arranged on the front side surface of the vertical valve block (7), and a vortex cooler (52) is fixedly arranged at the output end of the electromagnetic valve (51) in a communicated manner; one end of the cooling passage (31) is communicated with the cooling air inlet (22) in a fitting way, and the other end of the cooling passage (31) is communicated with the input end of the electromagnetic valve (51) through an external pipeline.
8. The automatic control box for aluminum ingot casting process gas according to claim 7, wherein: the vortex cooler (52) and the temperature-adjustable switch (53) are respectively arranged at two opposite corners inside the control box (10).
9. The automatic control box for aluminum ingot casting process gas according to claim 1, wherein: the structure of the single-group proportional flow valve group (8) is as follows: the valve comprises a valve body (80), wherein a long hole (802) is formed in the valve body (80), a valve core (84) is assembled in the long hole (802), and a central air hole communicated with the long hole (802) is formed through the valve core (84); a long hole (802) positioned outside one end of the valve core (84) is communicated with an air inlet hole (801), and the long hole (802) is communicated with the double-contact pressure sensor (81) through a first detection hole (803); the long hole (802) positioned outside the other end of the valve core (84) is laterally penetrated and extends to more than two locking holes (805), an electromagnetic switch valve (82) is assembled and communicated at one locking hole (805), and an electromagnetic proportional valve (83) is assembled and communicated at the other locking holes (805); an annular groove (804) is formed in the outer wall surface of the joint of the valve core (84) and the long hole (802) along the circumferential direction, and a central air hole of the valve core (84) is connected to the double-contact pressure sensor (81) through the annular groove (804) and a second detection hole (808); more than two air distribution holes (809) corresponding to the output ends of the electromagnetic switch valve (82) and the electromagnetic proportional valve (83) are formed in the valve body (80), the air distribution holes (809) are collected together to a collecting hole (806), one end of the collecting hole (806) is connected to the partial pressure sensor (85), and the other end of the collecting hole (806) extends to an air outlet hole (807) towards the lateral direction of the end face of the valve body (80).
10. The automatic control box for aluminum ingot casting process gas according to claim 9, wherein: the air inlet hole (801) and the air outlet hole (807) are parallel to each other, and the orifices of the air inlet hole and the air outlet hole are positioned on the same end face of the valve body (80).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223408993.5U CN219052863U (en) | 2022-12-19 | 2022-12-19 | Automatic control box for process gas in aluminum ingot casting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223408993.5U CN219052863U (en) | 2022-12-19 | 2022-12-19 | Automatic control box for process gas in aluminum ingot casting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219052863U true CN219052863U (en) | 2023-05-23 |
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ID=86345809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223408993.5U Active CN219052863U (en) | 2022-12-19 | 2022-12-19 | Automatic control box for process gas in aluminum ingot casting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219052863U (en) |
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2022
- 2022-12-19 CN CN202223408993.5U patent/CN219052863U/en active Active
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