CN112756595B - Quantitative injection device convenient for aluminum alloy casting - Google Patents
Quantitative injection device convenient for aluminum alloy casting Download PDFInfo
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- CN112756595B CN112756595B CN202011527791.5A CN202011527791A CN112756595B CN 112756595 B CN112756595 B CN 112756595B CN 202011527791 A CN202011527791 A CN 202011527791A CN 112756595 B CN112756595 B CN 112756595B
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- 238000002347 injection Methods 0.000 title claims abstract description 26
- 239000007924 injection Substances 0.000 title claims abstract description 26
- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 20
- 238000005266 casting Methods 0.000 title abstract description 18
- 244000035744 Hura crepitans Species 0.000 claims abstract description 53
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 26
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 26
- 230000009471 action Effects 0.000 claims abstract description 13
- 238000001514 detection method Methods 0.000 claims abstract description 9
- 239000011324 bead Substances 0.000 claims description 22
- 239000007788 liquid Substances 0.000 claims description 16
- 238000007789 sealing Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 230000001960 triggered effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 15
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000003993 interaction Effects 0.000 abstract 1
- 239000011049 pearl Substances 0.000 description 16
- 239000004411 aluminium Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000009826 distribution Methods 0.000 description 3
- 238000005286 illumination Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Classifications
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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
- B22D39/00—Equipment for supplying molten metal in rations
- B22D39/04—Equipment for supplying molten metal in rations having means for controlling the amount of molten metal by weight
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Casting Devices For Molds (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention relates to the technical field of aluminum alloy casting, and discloses a quantitative injection device convenient for aluminum alloy casting, which comprises a shell, wherein a rotating gear is movably connected inside the shell, a box body is fixedly connected inside the rotating gear, a movable block is movably connected inside the box body, and a clamping assembly is fixedly connected inside the box body, so that an operator can put a sand box into the device to fix the sand box in time under the interaction of all structures of the device, simultaneously, the sand box is injected into the sand box at a constant speed under the action of the rotating gear, each sand box can be injected quantitatively under the action of a detection assembly, the sand box can be automatically fixed, and the effect of injecting molten aluminum into the sand box quantitatively without driving the rotating gear to rotate under the control of a control center control driving power supply in time when a frequency converter loses effect is achieved, not only protects the use safety of operators, but also improves the production efficiency.
Description
Technical Field
The invention relates to the technical field of aluminum alloy casting, in particular to a quantitative injection device convenient for aluminum alloy casting.
Background
Aluminum alloy is a non-ferrous metal structural material which is most widely applied in industry, and is widely applied in aviation, aerospace, automobiles, mechanical manufacturing, ships and chemical industry, due to rapid development of industrial economy, the demand for aluminum alloy welding structural parts is increasing, the weldability research of the aluminum alloy is also deepened, and the aluminum alloy is the most widely applied alloy at present.
The application range of the existing aluminum alloy is more and more extensive, the shape of the aluminum alloy is more and more complex, metal products with complex shapes can only be obtained by casting, but the existing casting technology needs an operator to manually pour molten aluminum into a sand box, the molten aluminum splashes in the pouring process due to higher temperature of the molten aluminum, the operator is easy to have safety accidents, in order to ensure that the molten aluminum is injected at constant speed in the injecting process, a frequency converter is needed to limit the speed of a rotating gear at the moment, but the frequency converter cannot limit the speed of the rotating gear when being influenced by external factors, the injecting speed of the molten aluminum is increased at the moment, the molten aluminum is easy to splash, and the sand box cannot be fixed in the existing injecting process, so that the sand box is easy to shift in the transportation process to cause the failure of the molten aluminum injection, in addition, the original casting equipment needs operators to determine the amount of the molten aluminum according to the feeling, so that a large amount of materials are wasted, and the working efficiency is reduced.
Therefore, in response to these problems, a quantitative injection apparatus facilitating the casting of aluminum alloys is needed.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the quantitative injection device convenient for aluminum alloy casting, which has the advantages of automatically fixing a sand box, controlling a driving power supply to stop driving a rotating gear to rotate through a control center in time when a frequency converter loses the action, and quantitatively injecting aluminum liquid into the sand box, and solves the problems that the sand box cannot be fixed, the aluminum liquid is not injected into the sand box at a constant speed any more when the frequency converter loses the action, and the aluminum liquid cannot be quantitatively injected.
(II) technical scheme
In order to realize the purposes that the sand box can be automatically fixed, the driving power supply can be controlled by the control center to stop driving the rotating gear to rotate and the aluminum liquid is quantitatively injected into the sand box when the frequency converter loses the action, the invention provides the following technical scheme: a dosing device for facilitating casting of aluminum alloys, comprising a housing: the inside swing joint of shell has a rotating gear, a rotating gear's inside fixedly connected with box, the inside swing joint of box has the movable block, the inside fixedly connected with block subassembly of box, a rotating gear's outside swing joint has the chain, the outside fixedly connected with push rod of chain, the outside fixedly connected with seal block of push rod, the inside fixedly connected with notes workbin of shell, the inside fixedly connected with solenoid valve of notes workbin, the inside fixedly connected with photosensitive assembly of shell, the inside swing joint of shell has the carousel, the inside fixedly connected with lamp pearl of carousel, the outside swing joint of carousel has the backup pad, the inside swing joint of carousel has the determine module, the outside fixedly connected with support of carousel, the inside fixedly connected with cylinder of support, the outside swing joint of cylinder has branch, the outside swing joint of branch has the kelly, the outside fixedly connected with slide rail of carousel.
Preferably, the running gear is no less than four, and the chain has two, and the inboard swing joint of every chain has the running gear who is no less than two, and the spout has been seted up to the inside of box, and movable block swing joint is in the inboard of spout, and the inside swing joint of box has expanding spring, and expanding spring swing joint is in the outside of movable block, and the inside of box is provided with contact one.
Preferably, the block subassembly is mainly by the support, two short springs, support the shell, two contact pieces, two rolling balls, the quarter butt is constituteed, the inboard of support fixedly connected with box, quarter butt fixed connection is in the outside of support, the equal swing joint in the outside of support of one end of two short springs, the equal swing joint in the inboard of support shell of the other end of two short springs, support the outside of shell swing joint at the quarter butt, two contact piece fixed connection are in the outside of supporting the shell, two rolling balls swing joint respectively are in the outside of two contact pieces, there are two block subassemblies in the inside of every box, two block subassembly symmetric distribution are in the inboard of box.
Preferably, the outside fixedly connected with motor of shell, carousel fixed connection is in the outside of motor, the outside of carousel is provided with the sand box, four are no less than to the quantity of lamp pearl, the even distribution of all lamp pearls is in the inside of carousel, the position of lamp pearl is corresponding with the position of sand box, photosensitive assembly mainly by the shading shell, translucent shell and photo resistance constitute, shading shell fixed connection is in the inside of shell, the outside at the shading shell is inlayed to the translucent shell, the translucent shell is corresponding with the position of lamp pearl, photo resistance swing joint is in the inside of shading shell, the specification of translucent shell and photo resistance's specification phase-match.
Preferably, the outside swing joint of backup pad is no less than four supporting spring, the notch has been seted up on the surface of carousel, the equal swing joint of all supporting spring is in the inboard of notch, the detection subassembly mainly by supporting the shell, the connecting rod, the dielectric plate, the positive plate, the negative plate, connecting spring constitutes, support shell fixed connection is in the inside of carousel, the inside of positive plate and the equal fixed connection of negative plate at the support shell, the specification of positive plate and the specification phase-match and the position of negative plate are corresponding, connecting rod swing joint is in the outside of supporting the shell, connecting spring swing joint is in the outside of connecting rod, dielectric plate fixed connection is in the outside of connecting rod.
Preferably, the surface of the support is provided with a round hole, the specification of the round hole is matched with that of the support rod, the surface of the sliding rail is provided with a sliding groove, the support rod is movably connected to the inner side of the sliding groove, a protruding block is arranged on the outer portion of the rotary table, the position of the protruding block is matched with that of the support rod, a second contact is arranged on the outer portion of the protruding block, a clamping hole is formed in the surface of the sand box, and the specification of the clamping hole is matched with that of the clamping rod.
Preferably, the rotating gear is electrically connected with a driving power supply, the lamp bead, the electromagnetic valve and the motor are electrically connected with an external power supply, and the driving power supply, the external power supply, the dielectric plate, the photoresistor, the first contact and the second contact are electrically connected with the control center.
Preferably, the lamp beads are not bright in the initial state, the photoresistor cannot receive the illumination of the lamp beads, and the resistance value of the photoresistor is maximum at the moment.
Preferably, the current difference is caused by the difference of the facing areas of the dielectric plate, the positive plate and the negative plate in the detection assembly, the larger the facing area is, the larger the current is, and the smaller the current is, when the sand box is outside the rotary table, the facing area of the dielectric plate, the positive plate and the negative plate is half of that of the dielectric plate, and when casting is completed, the facing area is the same as that of the dielectric plate, and then the current is the largest.
Preferably, the electromagnetic valve can form an internal channel inside after being electrified, and molten aluminum enters the injection box through the internal channel.
(III) advantageous effects
Compared with the prior art, the invention provides a quantitative injection device convenient for aluminum alloy casting, which has the following beneficial effects:
1. this quantitative injection device convenient to aluminum alloy casting, through running gear, the box, the movable block, the block subassembly, the chain, the push rod, sealed piece, the notes workbin, the solenoid valve, photosensitive assembly, the carousel, under the interact between the lamp pearl, can make can be at the uniform velocity pour into to its inside when pouring into aluminium liquid into the sand box, can be timely when the converter loses effect through control center control drive power supply no longer drive running gear and rotate, and under the effect through lamp pearl and photosensitive assembly, make the sand box corresponding with the position of annotating the workbin, thereby the injection of better completion aluminium liquid.
2. This quantitative injection device convenient to aluminum alloy casting, through under the interact between all structures of this device, can make the operator put into the sand box this device in time fix it, simultaneously under running gear's effect, pour into at the uniform velocity to the sand box, can carry out quantitative injection to every sand box under the effect through determine module, thereby reached and to have fixed the sand box automatically, timely when the converter loses the effect no longer drives running gear through control centre control drive power supply and rotates, with the effect in aluminium liquid ration injection entering sand box, operator's safety in utilization has not only been protected, and production efficiency has also been improved.
Drawings
FIG. 1 is a schematic view of the present invention in partial cross section;
FIG. 2 is a schematic view of the structure of FIG. 1 at A according to the present invention;
FIG. 3 is a schematic view of the structure of FIG. 1 at B according to the present invention;
FIG. 4 is a schematic view of the structure of FIG. 1 at C according to the present invention;
FIG. 5 is a schematic view of the structure of FIG. 4 of the present invention at D;
FIG. 6 is a schematic view of the connection relationship among the photosensitive assembly, the turntable, the lamp bead, the bracket, the cylinder, the support rod, the clamping rod and the slide rail;
FIG. 7 is a schematic view of the structure of FIG. 6 at E in accordance with the present invention;
FIG. 8 is a schematic view of the structure at F in FIG. 6 according to the present invention.
In the figure: 1. a housing; 2. a rotating gear; 3. a box body; 4. a movable block; 5. clamping the assembly; 6. a chain; 7. a push rod; 8. a sealing block; 9. a material injection box; 10. an electromagnetic valve; 11. a photosensitive element; 12. a turntable; 13. a lamp bead; 14. a support plate; 15. a detection component; 16. a support; 17. a cylinder; 18. a strut; 19. a clamping rod; 20. a slide rail.
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. 1-7, a quantitative injection device convenient for aluminum alloy casting comprises a housing 1, a rotating gear 2 is movably connected inside the housing 1, a box body 3 is fixedly connected inside the rotating gear 2, a movable block 4 is movably connected inside the box body 3, a clamping component 5 is fixedly connected inside the box body 3, the clamping component 5 mainly comprises a support, two short springs, a support shell, two contact blocks, two rotating balls and a short rod, the support is fixedly connected with the inner side of the box body 3, the short rod is fixedly connected outside the support, one ends of the two short springs are movably connected outside the support, the other ends of the two short springs are movably connected inside the support shell, the support shell is movably connected outside the short rod, the two contact blocks are fixedly connected outside the support shell, the two rotating balls are respectively movably connected outside the two contact blocks, two clamping components 5 are arranged in each box body 3, and the two clamping components 5 are symmetrically distributed on the inner side of the box body 3.
External swing joint of running gear 2 has chain 6, running gear 2 is no less than four, chain 6 has two, two running gear 2 are no less than to inboard swing joint of every chain 6, the spout has been seted up to the inside of box 3, 4 swing joint of movable block are in the inboard of spout, the inside swing joint of box 3 has expanding spring, expanding spring swing joint is in the outside of movable block 4, the inside of box 3 is provided with the outside fixedly connected with push rod 7 of a contact chain 6, the outside fixedly connected with seal block 8 of push rod 7, the inside fixedly connected with notes workbin 9 of shell 1, the inside fixedly connected with solenoid valve 10 of notes workbin 9, solenoid valve 10 is inside can form the inside passageway after the circular telegram, melt in getting into notes workbin 9 through the inside passageway.
The inside fixedly connected with photosensitive element 11 of shell 1, the inside swing joint of shell 1 has carousel 12, the inside fixedly connected with lamp pearl 13 of carousel 12, the outside fixedly connected with motor of shell 1, carousel 12 is fixed connection in the outside of motor, the outside of carousel 12 is provided with the sand box, the quantity of lamp pearl 13 is no less than four, all lamp pearls 13 even distribution are in the inside of carousel 12, the position of lamp pearl 13 corresponds with the position of sand box, photosensitive element 11 mainly comprises shading shell, transparent shell and photo resistance, shading shell fixed connection is in the inside of shell 1, transparent shell inlays the outside of shading shell, transparent shell corresponds with the position of lamp pearl 13, photo resistance swing joint is in the inside of shading shell, the specification of transparent shell and the specification of photo resistance match, lamp pearl 13 is not bright under initial condition, photo resistance can not receive the illumination of lamp pearl 13, the resistance of the photoresistor is maximum at this moment.
Through rotating gear 2, the box 3, the movable block 4, block subassembly 5, chain 6, push rod 7, sealed block 8, annotate the workbin 9, solenoid valve 10, photosensitive assembly 11, carousel 12, under the interact between the lamp pearl 13, can make can be at the uniform velocity pour into to its inside when pouring into aluminium liquid into the sand box, can be timely when the converter loses effect through control maincenter control drive power supply no longer drive rotating gear 2 and rotate, and under the effect through lamp pearl 13 and photosensitive assembly 11, make the sand box corresponding with the position of annotating workbin 9, thereby the injection of better completion aluminium liquid, the outside swing joint of carousel 12 has backup pad 14.
The inside swing joint of carousel 12 has detection assembly 15, the outside swing joint of backup pad 14 has not less than four supporting spring, the surface of carousel 12 has the notch, all supporting spring all swing joint is in the inboard of notch, detection assembly 15 mainly comprises support shell, the connecting rod, the dielectric plate, positive plate, negative plate, connecting spring, support shell fixed connection is in the inside of carousel 12, positive plate and negative plate all fixed connection are in the inside of support shell, the specification of positive plate and the specification of negative plate phase-match and the position corresponds, the connecting rod swing joint is in the outside of support shell, connecting spring swing joint is in the outside of connecting rod, the dielectric plate fixed connection is in the outside of connecting rod, the dielectric plate in detection assembly 15 leads to the electric current different with positive plate, the negative plate just to the area difference, just to the area is bigger, the electric current is bigger, conversely, the smaller the current, the larger the current is, the half of the area of the dielectric plate facing the positive and negative electrode plates when the flask is outside the rotary table 12, and the maximum current is when the area of the dielectric plate facing the positive and negative electrode plates is the same after casting.
A support 16 is fixedly connected to the outside of the rotary table 12, an air cylinder 17 is fixedly connected to the inside of the support 16, a support rod 18 is movably connected to the outside of the air cylinder 17, a clamping rod 19 is movably connected to the outside of the support rod 18, a slide rail 20 is fixedly connected to the outside of the rotary table 12, a round hole is formed in the surface of the support 16, the specification of the round hole is matched with that of the support rod 18, a slide groove is formed in the surface of the slide rail 20, the support rod 18 is movably connected to the inner side of the slide groove, a convex block is arranged on the outside of the rotary table 12, the position of the convex block is matched with that of the support rod 18, a second contact is arranged on the outside of the convex block, a clamping hole is formed in the surface of the sand box, the specification of the clamping hole is matched with that of the clamping rod 19, the rotary gear 2 is electrically connected with a driving power supply, the lamp bead 13, the electromagnetic valve 10 and the motor are electrically connected with an external power supply, the dielectric plate, the photoresistor, the first contact and the second contact are all electrically connected with the control center.
Under the interact through between all structures of this device, can make the operator put into this device with the sand box timely fix it, simultaneously under running gear 2's the effect, pour into at the uniform velocity to the sand box, can carry out quantitative injection to every sand box under the effect through detecting component 15, thereby reached and to have fixed the sand box automatically, timely when the converter loses the effect no longer drives running gear 2 and rotates through control center control drive power supply, with the effect in aluminium liquid ration injection entering sand box, operator's safety in utilization has not only been protected, and production efficiency has also been improved.
The device is started, the lamp beads 13 are not bright in the initial state, the photosensitive resistor cannot receive illumination of the lamp beads 13 at the moment, the resistance value of the photosensitive resistor is maximum, the current is minimum, an operator places a sand box outside a supporting plate 14, meanwhile, the operator controls an external power supply to electrify the lamp beads 13 corresponding to the position of the sand box and an air cylinder 17 through a control center, the air cylinder 17 is electrified to drive a supporting rod 18 to move on the inner side of a sliding rail 20, the supporting rod 18 moves to drive a clamping rod 19 to move, when the supporting rod 18 is in contact with a bump, the clamping rod 19 is clamped with a clamping hole under the action of inertia, the supporting rod 18 is in contact with a contact point II, the control center controls the external power supply to supply power to a motor, the motor is electrified to drive a rotary table 12 to rotate, the rotary table 12 rotates to drive the sand box to move, and the rotary table 12 rotates to drive the bright lamp beads 13 to move.
When the position of the lighted lamp bead 13 is consistent with that of the photosensitive resistor, the resistance value of the photosensitive resistor is reduced, the current is increased, the control center controls the external power supply not to supply power to the motor, the motor is not powered off and does not run, the rotating disc 12 stops moving, meanwhile, the control center controls the driving power supply to drive the rotating gear 2 to rotate, the rotating gear 2 rotates to drive the chain 6 to move, the chain 6 moves to drive the push rod 7 to move, the push rod 7 moves to drive the sealing block 8 to move, the sealing block 8 moves to inject the aluminum liquid into the interior of the sand box at a constant speed, the sand box gradually becomes heavier along with the injection of the aluminum liquid, the supporting plate 14 moves to drive the connecting rod to move under the action of the sand box, the connecting rod moves to drive the dielectric plate to move, the dielectric plate moves to increase the dead area between the dielectric plate and the positive plate and the negative plate, and the connecting spring is compressed along with the dielectric plate, the positive facing area S of the dielectric plate and the positive plate and the negative plate is increased, the capacitance C is increased, and the expression is as follows:
C＝εS/4πkd
at the moment, the current changes, and when the current reaches the maximum value, the control center controls the driving power supply to stop driving the rotating gear 2 to rotate, so that the injection of the aluminum liquid is completed.
The rotating gear 2 rotates to drive the box body 3 to move, when the rotating gear 2 normally rotates, the centrifugal force borne by the movable block 4 is smaller than the elastic force of the telescopic spring, at the moment, the movable block 4 cannot be thrown out, the contact is not triggered, when the frequency converter breaks down, the rotating speed of the rotating gear 2 is increased, the centrifugal force borne by the movable block 4 is larger than the elastic force of the telescopic spring, at the moment, the movable block 4 is thrown out, the movable block 4 touches the contact block, the contact block moves to drive the supporting shell to move, the supporting shell moves towards the support under the action of the rotating ball and the short rod, at the moment, the movable block 4 is in contact with the contact through the clamping component 5 under the action of the centrifugal force, and at the moment, the control center controls the driving power supply to not drive the rotating gear 2 to rotate any more.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (1)
1. The utility model provides a quantitative injection device convenient to aluminum alloy is as cast, includes shell (1), its characterized in that: the inner movable connection of the shell (1) is provided with a rotating gear (2), the inner fixed connection of the rotating gear (2) is provided with a box body (3), the inner movable connection of the box body (3) is provided with a movable block (4), the inner fixed connection of the box body (3) is provided with a clamping component (5), the outer movable connection of the rotating gear (2) is provided with a chain (6), the outer fixed connection of the chain (6) is provided with a push rod (7), the outer fixed connection of the push rod (7) is provided with a sealing block (8), the inner fixed connection of the shell (1) is provided with a material injection box (9), the inner fixed connection of the material injection box (9) is provided with an electromagnetic valve (10), the inner fixed connection of the shell (1) is provided with a photosensitive component (11), the inner movable connection of the shell (1) is provided with a turntable (12), the inner fixed connection of the turntable (12) is provided with a lamp bead (13), and the outer movable connection of the turntable (12) is provided with a supporting plate (14), the detection assembly (15) is movably connected inside the rotary table (12), the support (16) is fixedly connected outside the rotary table (12), the air cylinder (17) is fixedly connected inside the support (16), the support rod (18) is movably connected outside the air cylinder (17), the clamping rod (19) is movably connected outside the support rod (18), and the slide rail (20) is fixedly connected outside the rotary table (12);
the number of the rotating gears (2) is not less than four, the number of the chains (6) is two, the inner side of each chain (6) is movably connected with at least two rotating gears (2), a sliding groove is formed in the box body (3), the movable block (4) is movably connected to the inner side of the sliding groove, an expansion spring is movably connected to the inner side of the box body (3), the expansion spring is movably connected to the outer portion of the movable block (4), and a first contact is arranged in the box body (3); the clamping components (5) are mainly composed of a support, two short springs, a support shell, two contact blocks, two rotating balls and a short rod, the support is fixedly connected with the inner side of the box body (3), the short rod is fixedly connected to the outer part of the support, one ends of the two short springs are movably connected to the outer part of the support, the other ends of the two short springs are movably connected to the inner side of the support shell, the support shell is movably connected to the outer part of the short rod, the two contact blocks are fixedly connected to the outer part of the support shell, the two rotating balls are respectively movably connected to the outer parts of the two contact blocks, two clamping components (5) are arranged in each box body (3), and the two clamping components (5) are symmetrically distributed on the inner side of the box body (3);
the motor is fixedly connected to the outer portion of the shell (1), the rotary table (12) is fixedly connected to the outer portion of the motor, a sand box is arranged on the outer portion of the rotary table (12), the number of the lamp beads (13) is not less than four, all the lamp beads (13) are uniformly distributed in the rotary table (12), the positions of the lamp beads (13) correspond to the positions of the sand box, the photosensitive assembly (11) mainly comprises a shading shell, a transparent shell and a photosensitive resistor, the shading shell is fixedly connected to the inner portion of the shell (1), the transparent shell is embedded in the outer portion of the shading shell, the transparent shell corresponds to the positions of the lamp beads (13), the photosensitive resistor is movably connected to the inner portion of the shading shell, and the specification of the transparent shell is matched with the specification of the photosensitive resistor;
the detection assembly comprises a support shell, a connecting rod, a dielectric plate, a positive plate, a negative plate and a connecting spring, wherein the support shell is fixedly connected inside the turntable (12), the positive plate and the negative plate are fixedly connected inside the support shell, the specification of the positive plate is matched with that of the negative plate, the position of the positive plate corresponds to that of the negative plate, the connecting rod is movably connected outside the support shell, the connecting spring is movably connected outside the connecting rod, and the dielectric plate is fixedly connected outside the connecting rod; the surface of the support (16) is provided with a round hole, the specification of the round hole is matched with that of the support rod (18), the surface of the sliding rail (20) is provided with a sliding groove, the support rod (18) is movably connected to the inner side of the sliding groove, the outer part of the rotary table (12) is provided with a convex block, the position of the convex block is matched with that of the support rod (18), the outer part of the convex block is provided with a second contact, the surface of the sand box is provided with a clamping hole, and the specification of the clamping hole is matched with that of the clamping rod (19);
the rotating gear (2) is electrically connected with a driving power supply, the lamp bead (13), the electromagnetic valve (10) and the motor are electrically connected with an external power supply, and the driving power supply, the external power supply, the dielectric plate, the photoresistor, the first contact and the second contact are electrically connected with the control center;
when the sand box is started, the lamp beads (13) are not lighted in the initial state, the photosensitive resistor cannot receive the light of the lamp beads (13), the resistance value of the photosensitive resistor is maximum, the current is minimum, an operator places the sand box outside the supporting plate (14), meanwhile, an operator controls an external power supply to electrify the lamp beads (13) and the air cylinders (17) corresponding to the positions of the sand boxes through the control center, the air cylinders (17) are electrified to drive the supporting rods (18) to move on the inner sides of the sliding rails (20), the supporting rods (18) move to drive the clamping rods (19) to move, when the support rod (18) is contacted with the convex block, the clamping rod (19) is clamped with the clamping hole under the action of inertia, the support rod (18) is contacted with the second contact, at the moment, the control center controls an external power supply to supply power to the motor, the motor is electrified to operate to drive the rotary table (12) to rotate, the rotary table (12) rotates to drive the sand box to move, and the rotary table (12) rotates to drive the lighted lamp beads (13) to move;
when the position of a lighted lamp bead (13) is consistent with that of a photosensitive resistor, the resistance of the photosensitive resistor is reduced, the current is increased, the control center controls an external power supply not to supply power to a motor, the motor is not powered off and does not run, so that the rotary disc (12) stops moving, meanwhile, the control center controls a driving power supply to drive the rotary gear (2) to rotate, the rotary gear (2) rotates to drive the chain (6) to move, the chain (6) moves to drive the push rod (7) to move, the push rod (7) moves to drive the sealing block (8) to move, the sealing block (8) moves to inject aluminum liquid into the interior of the sand box at a constant speed, the sand box becomes heavier gradually along with the injection of the aluminum liquid, the support plate (14) moves to drive the connecting rod to move under the action of the sand box, the connecting rod moves to drive the dielectric plate to move, and the dielectric plate moves to enable the dead area between the dielectric plate and the positive plate and the negative plate to be increased, and as the dielectric plate compresses the connecting spring, the facing area S of the dielectric plate and the positive and negative plates is increased, the capacitance C is increased, and the expression is as follows:
C＝εS/4πkd
at the moment, the current changes, and when the current reaches the maximum value, the control center controls the driving power supply to stop driving the rotating gear (2) to rotate, so that the injection of the aluminum liquid is completed;
when the rotating gear (2) normally rotates, the centrifugal force borne by the movable block (4) is smaller than the elastic force of the telescopic spring, the movable block (4) cannot be thrown out, the contact is not triggered, when the frequency converter breaks down, the rotating speed of the rotating gear (2) is increased, the centrifugal force borne by the movable block (4) is larger than the elastic force of the telescopic spring, the movable block (4) is thrown out, the movable block (4) touches the contact block, the contact block moves to drive the supporting shell to move, the supporting shell moves towards the support under the action of the rotating ball and the short rod, the movable block (4) is in contact with the contact through the clamping component (5) under the action of the centrifugal force, and the control center controls the driving power supply to not drive the rotating gear (2) to rotate.
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| CN112756595A (en) | 2021-05-07 |
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Effective date of registration: 20220218 Address after: 330500 Anyi Industrial Park, Nanchang City, Jiangxi Province Applicant after: Jiangxi Fengyu Aluminum Industry Co.,Ltd. Address before: 561000 No.65 Shifu Road, Xixiu District, Anshun City, Guizhou Province Applicant before: Su Youquan |
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