CN212917605U - Pouring ladle flow adjusting device for pouring system - Google Patents
Pouring ladle flow adjusting device for pouring system Download PDFInfo
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- CN212917605U CN212917605U CN202021699624.4U CN202021699624U CN212917605U CN 212917605 U CN212917605 U CN 212917605U CN 202021699624 U CN202021699624 U CN 202021699624U CN 212917605 U CN212917605 U CN 212917605U
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Abstract
The utility model discloses a gating system is with watering a packet flow control device belongs to casting equipment technical field. The device comprises a flow regulating device fixing frame fixed on a tilting frame, a molten iron flow regulating rod actuating mechanism arranged on the flow regulating device fixing frame and an electric cylinder piston rod displacement sensor; the molten iron flow adjusting rod actuating mechanism comprises a flow adjusting electric cylinder, a ladle nozzle alignment structure, a cantilever, a molten iron flow adjusting rod and a ladle nozzle grinding structure; the flow regulating electric cylinder is fixed on the flow regulating device fixing frame, and a piston rod of the electric cylinder is vertically upward; the positioning structure of the molten iron flow regulating rod comprises a brake disc, a pneumatic clamp and a brake connecting plate, wherein the brake disc is fixedly connected with an inner ring of the upper bearing; the molten iron flow regulating rod is provided with a slag removing rod inserting hole; the casting ladle nozzle grinding structure comprises a rotating cylinder and a grinding structure bent arm. The automatic casting machine has the characteristics of high automation degree, safety, reliability, stable pouring, good quality consistency of castings and the like.
Description
Technical Field
The utility model relates to a casting equipment technical field.
Background
The casting is a process of obtaining a metal forming casting by a certain method, a casting machine is adopted to cast molten iron to a sand mold die, a casting blank is obtained after the molten iron is cooled in a sand mold, in the casting operation process of a production line, sand molds molded by the sand mold molding machine are ejected out one by one from sand mold production outlets and pushed to the direction of the casting machine through a sand mold sliding channel, and the casting machine is arranged at a position close to the sand mold sliding channel, so that a pouring ladle nozzle of a pouring ladle is aligned to a sand mold pouring cup of the sand mold corresponding to the position of the sand mold sliding channel where the pouring ladle is positioned, and the pouring operation is carried out.
In the pouring process, because the pouring gate in the sand mold is narrow, the pouring amount of the molten iron needs to be controlled in the process of pouring the molten iron into each casting model from the pouring gate, so that air in the casting model and vapor formed under the action of high temperature are smoothly discharged from the pouring gate, and casting loss caused by uneven molten iron inlet amount of each casting model due to overlarge pouring amount and molten iron overflow caused by serious blast at the opening of the sand mold pouring cup are prevented. And the phenomenon of part shortage caused by the fact that the casting model cannot be fully poured in the time period that the sand mold pouring cup passes through the pouring ladle nozzle due to the fact that the pouring amount is too small is also avoided.
In the pouring process, if slag adhesion is generated between the contact surfaces of the ladle nozzle and the molten iron flow adjusting core of the molten iron flow adjusting rod, the contact degree of the ladle nozzle and the molten iron flow adjusting core is damaged, so that the ladle nozzle cannot be sealed by the molten iron flow adjusting core and molten iron leakage is caused, and the condition that the slag adhesion blocking sealing is required to be cleaned in time is generated, so that accidents caused by high-temperature molten iron leakage are avoided.
In the pouring process, molten iron flows through when watering the ladle nozzle with water ladle nozzle inner wall contact part, because the difference in temperature reason can form and glue the sediment, if not in time clear up, water ladle nozzle can become narrow, and the molten iron flow diminishes, will water ladle nozzle jam gradually, if clear sediment pole and molten iron flow control stick decentraction, take place easily to interfere and lead to clear sediment pole and molten iron flow control stick card to die, can melt the adhesion even in the molten iron flow control stick.
The casting process used at present is casting by a manual casting method. The manual pouring efficiency is low, the waste is serious, the finished product rate is low, the pouring is unstable due to manual difference, the phenomena of casting break, under-pouring, over-pouring and the like occur, the casting quality is unstable, the manual pouring is not suitable for vertical line production with increasingly improved automation degree, the labor cost is high, and the danger coefficient is high.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a gating system is with watering a packet flow control device, it has degree of automation height, safe and reliable, and the pouring is stable, characteristics such as casting quality uniformity is good.
In order to solve the technical problem, the utility model discloses the technical scheme who takes is:
a pouring ladle flow regulating device for a pouring system comprises a flow regulating device fixing frame fixed on a tilting frame, a molten iron flow regulating rod actuating mechanism and an electric cylinder piston rod displacement sensor, wherein the molten iron flow regulating rod actuating mechanism and the electric cylinder piston rod displacement sensor are arranged on the flow regulating device fixing frame;
the molten iron flow adjusting rod actuating mechanism comprises a flow adjusting electric cylinder, a ladle nozzle alignment structure, a cantilever, a molten iron flow adjusting rod and a ladle nozzle grinding structure;
the flow regulating electric cylinder is fixed on the flow regulating device fixing frame, and a piston rod of the electric cylinder is vertically upward;
the ladle nozzle alignment structure comprises a vertical guide slide rail, a lower bearing mounting seat, a lower bearing, a bearing eccentric connecting piece, an upper bearing and a molten iron flow regulating rod positioning structure;
the lower bearing mounting seat comprises a lower bearing outer ring fixed connection structure and a vertical guide plate, and is fixedly connected with the outer ring of the lower bearing through the lower bearing outer ring fixed connection structure, and the lower end of the lower bearing mounting seat is hinged with a flow regulation electric cylinder piston rod; the vertical guide plate is fixed on the lower bearing mounting seat in parallel with the axial lead of the lower bearing, and the vertical guide sliding rail is arranged between the vertical guide plate and the flow regulating device fixing frame so as to ensure that the double-shaft eccentric structure overcomes the radial load and keeps moving in the vertical direction;
the bearing eccentric connecting piece comprises a lower bearing inner ring fixed connecting structure and an upper bearing outer ring fixed connecting structure, and is fixedly connected with the inner ring of the lower bearing through the lower bearing inner ring fixed connecting structure and fixedly connected with the outer ring of the upper bearing through the upper bearing outer ring fixed connecting structure, and the axial lead of the lower bearing and the axial lead of the upper bearing are perpendicular and are eccentrically arranged;
the positioning structure of the molten iron flow regulating rod comprises a brake disc fixedly connected with an inner ring of the upper bearing, a pneumatic clamp and a brake connecting plate, wherein the lower end of the brake connecting plate is fixedly connected with the lower bearing mounting seat, the upper end of the brake connecting plate is fixedly connected with the pneumatic clamp, the pneumatic clamp corresponds to the brake disc, and when the pneumatic clamp clamps the brake disc tightly, the pouring nozzle aligning structure is locked and fixed, so that the molten iron flow regulating rod is positioned;
the inner end of the cantilever is provided with a brake disc connecting structure which is fixedly connected with a brake disc and is fixedly connected with the brake disc through the structure;
the molten iron flow regulating rod is provided with a slag removing rod inserting and matching hole which is arranged along the axis of the molten iron flow regulating rod in a run-through manner, the molten iron flow regulating rod is vertically arranged at the outer end of the cantilever and is rotationally connected with the outer end of the cantilever through a rotating connection structure, the molten iron flow regulating rod is adapted in the molten iron flow regulating rod inserting and matching hole of the fixed ladle cover, the part, matched with the ladle nozzle, of the lower end part of the molten iron flow regulating rod is a molten iron flow regulating core, the diameter of the molten iron flow regulating core is gradually increased from bottom to top, and when the molten iron flow regulating core gradually enters the flow regulating conical cavity of the ladle nozzle from top to bottom, the gap between the molten iron flow regulating core and the molten iron flow regulating core is gradually reduced so as to play a role; the ladle nozzle alignment structure can enable the molten iron flow regulating rod to do arc rotation independently or simultaneously by taking the lower bearing axle center as the circle center and the upper bearing axle center as the circle center, so that the position of the molten iron flow regulating core can be regulated in a certain range relative to the installation position of the ladle nozzle;
the ladle nozzle grinding structure comprises a rotary air cylinder and a grinding structure bent arm, the rear end of the rotary air cylinder is hinged with the inner end part close to the cantilever, the outer end of the grinding structure bent arm is fixed on the molten iron flow regulating rod, the inner end of the grinding structure bent arm is hinged with a piston rod of the rotary air cylinder, and the piston rod of the rotary air cylinder can stretch and retract to drive the molten iron flow regulating rod to rotate in a reciprocating mode by a corresponding angle through the grinding structure bent arm so as to grind the flow regulating conical cavity of the ladle nozzle; thereby eliminating the residual solidified slag on the inner wall of the flow regulation conical cavity of the casting ladle nozzle;
the electric cylinder piston rod displacement sensor is used for detecting the telescopic distance of the electric cylinder piston rod.
The utility model discloses the further improvement lies in:
the lower bearing and the upper bearing in the pouring ladle nozzle alignment structure are both slewing bearings, the lower bearing outer ring fixed connection structure in the lower bearing mounting seat is a lower bearing mounting flange, the upper bearing outer ring fixed connection structure in the bearing eccentric connecting piece is an eccentric flange, and the flanges are connected with the respective slewing bearings through bolts: bolts penetrate through the bolt connecting holes of the flanges and the bolt mounting holes of the outer rings of the ring-row slewing bearings to fixedly connect the flanges and the slewing bearings together, and the brake disc is a flange plate.
The flow adjusting device fixing frame of the pouring ladle flow adjusting device is a square box body, a molten iron flow adjusting rod actuating mechanism mounting hole is formed in the upper end of the square box body, the pouring ladle nozzle aligning structure extends out of the square box body through the molten iron flow adjusting rod actuating mechanism mounting hole, and a gap between the molten iron flow adjusting rod actuating mechanism mounting hole and the pouring ladle nozzle aligning structure is sealed by the dustproof telescopic plaiting.
Adopt the produced beneficial effect of above-mentioned technical scheme to lie in:
the pouring ladle flow regulating device controls the pouring amount of molten iron so that air in the casting model and steam formed under the action of high temperature are smoothly discharged from a pouring gate, and casting loss caused by uneven molten iron inlet amount of each casting model due to overlarge pouring amount and molten iron overflow caused by serious blast of a sand mold pouring cup opening are prevented. And the phenomenon of part shortage caused by the fact that the casting model cannot be fully poured in the time period that the sand mold pouring cup passes through the pouring ladle nozzle due to the fact that the pouring amount is too small is also avoided.
The ladle nozzle alignment structure can adjust the position of the molten iron flow regulating core relative to the installation position of the ladle nozzle within a certain range, so as to align the installation position deviation which inevitably occurs in the process of frequently replacing the ladle nozzle due to the process requirement.
The grinding structure of the pouring ladle nozzle eliminates the slag adhesion between the flow regulation conical cavity of the pouring ladle nozzle and the molten iron flow regulation core contact surface of the molten iron flow regulation rod, ensures the degree of engagement of the pouring ladle nozzle and the molten iron flow regulation core, and prevents the phenomenon of molten iron leakage from occurring in the pouring ladle nozzle so as to avoid accidents caused by leakage of high-temperature molten iron.
The automatic casting machine has the characteristics of high automation degree, safety, reliability, stable pouring, good quality consistency of castings and the like.
Drawings
FIG. 1 is a schematic diagram of a gating system;
FIG. 2 is a schematic view of the work state of the casting machine of FIG. 1;
FIG. 3 is a left side view of FIG. 2;
FIG. 4 is a top view of FIG. 2;
FIG. 5 is an isometric view of FIG. 2;
FIG. 6 is an isometric view of FIG. 2;
FIG. 7 is a schematic view of the casting apparatus of FIG. 2;
FIG. 8 is an isometric view of FIG. 7;
FIG. 9 is an enlarged view of a portion of I of FIG. 7;
FIG. 10 is a schematic view of the casting mechanism of FIG. 7;
FIG. 11 is a schematic structural view of the ladle tilting mechanism of FIG. 10;
FIG. 12 is a schematic view of the construction of the ladle apparatus of FIG. 10;
FIG. 13 is a schematic view of the construction of the ladle auxiliary device of FIG. 12;
FIG. 14 is a schematic view of the structure of the ladle flow regulating device of FIG. 13;
FIG. 15 is a schematic view of the internal structure of FIG. 14;
FIG. 16 is a schematic structural view of a slag removal mechanism of the ladle nozzle of FIG. 13;
fig. 17 is a structural schematic diagram of the slag removal rod follow-up structure in fig. 16.
In the drawings: 1. a sand molding machine; 2. the frame of the car is corrected at the pouring position; 3. a sand mold sliding channel; 4. sand molding; 4-1, sand mold positioning marks; 4-2. sand mold pouring cup; 5. pouring position correcting vehicle tracks; 6. correcting the vehicle wheels at the pouring position; 7. a visual positioning camera; 8. a hydraulic oil cylinder of the position correcting vehicle; 9. wheels of the casting ladle metering vehicle; 10. the frame of the ladle metering vehicle; 11. a weighing sensor; 12. a weighing sensor mounting seat; 13. a frame bearing plate; 14. a ladle metering car track; 15. a hydraulic oil cylinder of the ladle metering vehicle; 16. pouring the ladle body; 17. a ladle nozzle; 18. fixing the ladle cover; 19. opening and closing the ladle cover; 20. a tilting mechanism mount; 21. a tilt shaft; 22. a tilt frame; 23. the ladle is tilted to rotate the hydraulic oil cylinder; 24. a flow regulating electric cylinder; 25. a vertical guide rail; 26. a bearing mounting seat is arranged below the bearing; 27. a bearing is arranged below; 28. a bearing eccentric connector; 29. a bearing is arranged; 30. a vertical guide plate; 31. a brake disc; 32. pneumatic clamps; 33. a brake connecting plate; 34. a cantilever; 35. a molten iron flow regulating rod; 35-1, inserting and matching the slag removing rod into the hole; 35-2. molten iron flow adjusting core; 36. a displacement sensor for a piston rod of the electric cylinder; 37. removing slag rods; 38. a slag removal cylinder; 39. rotating the cylinder; 40. grinding the structural bent arm; 41. a slag removal mechanism base; 42. rotating the eccentric arm; 43. a slag removal cylinder mounting arm; 44. a column; 45. a shaft sleeve; 46. the upright post is sleeved; 47. carrying out top thread; 48. an opening and closing mechanism cylinder; 49. a bent arm of the opening and closing mechanism; 50. a square box body; 51. dustproof telescopic folded cloth; 52. a molten iron flow regulating rod clamp; 53. fixing the position of a casting ladle; 54. the position of the casting ladle flow adjusting device is fixed.
The pouring device in this application is the epistasis, and it corresponds among the prior art pouring machine that can independently accomplish and carry out the pouring operation to the sand mould.
The length direction of sand mould slide channel is vertical in this application, and is horizontal rather than the mutually perpendicular direction.
Introduction of video recognition software:
MATLAB: the system is commercial mathematical software produced by MathWorks company in America, is used for high-level technical computing language and interactive environment of algorithm development, data visualization, data analysis and numerical calculation, and mainly comprises two parts, namely MATLAB and Simulink.
Matlab has a good programming interface, and programming efficiency is high, and the programming language is succinct. Matlab uses a matrix programming approach, which is a visual programming language, simple syntax, single data type, and uses mathematical formulas to express commands.
In the aspect of image processing, Matlab has a very strong function of an image processing toolbox, can provide an integrated image processing tool for experts, engineers and researchers in the field of image processing, and can be widely applied to various fields such as industry, remote sensing, aerospace, biotechnology, medical images, national defense and the like. It has a powerful image processing toolset and supports multiple formats of images.
Video recognition software is of many kinds, for example: the bottom layer is used for In-Sight Explorer of secondary development; and the human-computer interface displays the VisionView PC Demo and the like of the interface.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
For convenience of explanation, the present invention will be described in detail using a gating system as an example.
The utility model discloses the standard part that well used all can be purchased from the market, and dysmorphism piece all can be customized according to the description with the record of attached drawing, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding, pasting among the prior art, no longer detailed description here.
A pouring system comprises a sand mold molding machine 1, a pouring machine and a sand mold sliding channel 3, wherein sand molds 4 molded by the sand mold molding machine 1 are ejected out one by one from sand mold production outlets and pushed to the direction of the pouring machine through the sand mold sliding channel 3, the pouring machine is arranged at a position close to the sand mold sliding channel 3, so that when the pouring machine is used for pouring, a pouring ladle nozzle 17 of a pouring ladle is aligned in a sand mold pouring cup 4-2 of the sand mold 4 corresponding to the position of the sand mold sliding channel 3, and pouring operation is carried out;
the casting machine comprises a casting position correcting mechanism and a casting device;
the pouring position correcting mechanism comprises a pouring position correcting vehicle, a pouring position correcting vehicle track 5 and a longitudinal displacement adjusting device;
the pouring position correcting vehicle comprises a pouring position correcting vehicle frame 2 and pouring position correcting vehicle wheels 6 in rolling connection with the pouring position correcting vehicle frame 2;
the pouring position correcting trolley rails 5 are arranged on the left side and the right side of the sand mold sliding channel 3 and are arranged in parallel with the sand mold sliding channel 3, so that the pouring position correcting trolley longitudinally moves back and forth along the pouring position correcting trolley rails 5 relative to the sand mold sliding channel 3 through the pouring position correcting trolley wheels 6, and a sand mold sliding channel 3 arrangement space is formed in the bottom of the pouring position correcting trolley frame 2;
the pouring device is arranged on the frame 2 of the pouring position straightening vehicle;
the longitudinal displacement adjusting device comprises a sand mold positioning mark 4-1 and a visual positioning camera 7 (brand: the cognex model is as follows: IS-8200 and a position correcting vehicle hydraulic cylinder 8, wherein sand mold positioning marks 4-1 are arranged on the left side of each sand mold 4, the positions of the sand mold positioning marks 4-1 on each sand mold 4 on the sand molds 4 are unified, a vision positioning camera 7 IS arranged on the left side of the bottom of a pouring position correcting vehicle frame 2, a lens of the vision positioning camera IS aligned to the position which IS parallel to the sand mold positioning marks 4-1, one end of the position correcting vehicle hydraulic cylinder 8 IS hinged with the pouring position correcting vehicle frame 2, and the other end of the position correcting vehicle hydraulic cylinder 8 IS hinged with a cylinder connecting seat fixed on the ground or a pouring position correcting vehicle track 5 so as to push and pull the pouring position correcting vehicle to move back and forth along the pouring; the visual positioning camera comprises a single-chip microcomputer MCU with built-in video identification software, the visual positioning camera 7 collects image information of a sand mold positioning mark through a camera, the collected image information of the sand mold positioning mark is transmitted to the single-chip microcomputer MCU through an I/O port of the single-chip microcomputer MCU, two switching value control signal output ends of the visual positioning camera 7 are connected with the I/O port of the single-chip microcomputer MCU, image characteristics of the image information of the sand mold positioning mark are extracted through the video identification software to form sand mold positioning mark identification information, image information when a pouring ladle nozzle 17 is aligned with a sand mold pouring cup 4-2 is collected, the sand mold positioning mark image information is identified in the image information collected by the visual positioning camera 7 according to the sand mold positioning mark identification information, and two-dimensional positions of video images where the sand mold positioning mark image information is located are determined, generating and storing sand mold positioning mark position standard information, continuously acquiring image information by a visual positioning camera 7 in the process of pouring operation of a pouring machine, identifying sand mold positioning mark image information by video identification software, generating sand mold positioning mark position detection information according to the two-dimensional position of a video image where the sand mold positioning mark image information is positioned, comparing the sand mold positioning mark position detection information with the sand mold positioning mark position standard information, respectively controlling the extension or the retraction of a piston rod of a hydraulic cylinder 8 of a position correcting vehicle by two switching value control signal output ends of the visual positioning camera 7 according to the position deviation direction of the sand mold positioning mark image information and the sand mold positioning mark position standard information, enabling the hydraulic cylinder 8 of the position correcting vehicle to drive the pouring position correcting vehicle to move along the pouring position correcting vehicle track 5 towards the direction of eliminating the position deviation until the sand mold positioning mark position detection information is the same as the sand mold positioning mark position standard information (the sand mold positioning mark image The pixels of the sand mold positioning mark image coincide with the pixels of the two-dimensional image shot by the visual positioning camera 7 when the pixel and the preset ladle nozzle 17 are aligned with the sand mold pouring cup 4-2), so that the ladle nozzle 17 is aligned with the sand mold pouring cup 4-2 for pouring operation.
The sand mold positioning marks 4-1 provided on each sand mold 4 are formed by sand mold positioning mark concave-convex patterns at corresponding positions on a sand casting mold of the sand mold molding machine 1 when the sand mold molding machine 1 manufactures the sand molds 4.
The pouring device comprises a pouring ladle metering vehicle, a pouring ladle metering vehicle position switching mechanism and a pouring mechanism;
the ladle metering vehicle comprises a ladle metering vehicle wheel 9, a ladle metering vehicle frame 10 and a weighing sensor 11 (brand: koli, type: SQB-AH2t, a weighing sensor mounting structure is arranged between a casting ladle metering vehicle wheel 9 and a casting ladle metering vehicle frame 10, the weighing sensor mounting structure comprises a weighing sensor mounting seat 12 and a vehicle frame bearing plate 13, the left end of the weighing sensor mounting seat 12 is connected with the casting ladle metering vehicle wheel 9 in a rolling way to form a rolling connection end of the casting ladle metering vehicle wheel 9, the right end of the weighing sensor mounting seat 12 is hinged with the casting ladle metering vehicle frame 10 to form a casting ladle metering vehicle frame hinged end, the vehicle frame bearing plate 13 is fixed on the casting ladle metering vehicle frame 10 and is positioned above the weighing sensor mounting seat 12, a weighing sensor 11 is arranged on the weighing sensor mounting seat 12, the upper end of the weighing sensor mounting seat is supported at the lower end of the vehicle frame bearing plate 13, under the support of the casting ladle metering vehicle wheel 9 rolling connection end, the weight of the casting ladle metering vehicle frame 10 enables the casting ladle metering vehicle frame end to move, forcing the weighing sensor 11 arranged between the weighing sensor mounting seat 12 and the frame bearing plate 13 to generate elastic deformation, so that the hinge angle is gradually reduced until the weight of the frame 10 of the ladle metering vehicle is completely supported on the weighing sensor 11, and the weighing sensor 11 plays a role in weighing the frame 10 of the ladle metering vehicle;
the pouring ladle metering vehicle position switching mechanism comprises a pouring ladle metering vehicle track 14 and a pouring ladle metering vehicle hydraulic oil cylinder 15, wherein the pouring ladle metering vehicle track 14 is arranged on the frame 2 of the pouring position correcting vehicle, the pouring ladle metering vehicle track 14 is perpendicular to the pouring position correcting vehicle track 5, and the wheels 9 of the pouring ladle metering vehicle are in rolling connection with the pouring ladle metering vehicle track 14; one end of a hydraulic oil cylinder 15 of the ladle metering vehicle is hinged with a frame 10 of the ladle metering vehicle, and the other end of the hydraulic oil cylinder is hinged with a frame 2 of the ladle metering vehicle or a rail 14 of the ladle metering vehicle so as to drive the ladle metering vehicle to roll along the rail 14 of the ladle metering vehicle, and two stroke extreme positions of a piston rod of the hydraulic oil cylinder 15 of the ladle metering vehicle respectively correspond to a working position and a fault dumping position of a pouring device; the working position is the position of the pouring device when normal pouring operation is carried out; the ladle metering truck 15 moves the ladle device from the operating position to dump the molten iron in the ladle body 16 from the ladle spout to the molten iron collection container when the apparatus fails, for example, when the ladle nozzle 17 of the ladle is clogged with solidified molten iron and the pouring work cannot be performed, in order to prevent the molten iron in the ladle body 16 from solidifying and damaging the apparatus.
The pouring mechanism comprises a ladle tilting mechanism and a ladle device arranged on the ladle tilting mechanism;
the ladle tilting mechanism comprises a pair of tilting mechanism fixing frames 20, a tilting frame 22 and a ladle tilting hydraulic cylinder 23, wherein the tilting mechanism fixing frames 20 are respectively fixed on the left side and the right side of a ladle metering vehicle frame 10, the tilting frame 22 and the ladle tilting hydraulic cylinder 23 are respectively symmetrically provided with a tilting shaft 21 on the left side and the right side of the tilting frame 22, the tilting frame 22 is respectively in rotating connection with the tilting mechanism fixing frames 20 on the left side and the right side of the ladle metering vehicle frame 10 through the two tilting shafts 21, and the ladle device is fixed on the tilting frame; the ladle tilting hydraulic cylinder 23 is arranged between the tilting frame 22 and the ladle metering vehicle frame 10, and can drive the tilting frame 22 to tilt by taking the tilting shaft 21 as an axis; two stroke extreme positions of a piston rod of the ladle tilting hydraulic oil cylinder 23 respectively correspond to the working state and the tilting state of the ladle device;
the casting ladle device comprises a casting ladle and a casting ladle auxiliary device;
the ladle comprises a ladle body 16 fixed on a tilting frame 22, a ladle nozzle 17, a ladle opening and a ladle cover, the ladle nozzle 17 is arranged at the bottom of the ladle body 16, the ladle cover used for sealing the ladle opening is arranged on the ladle opening above the ladle body 16, the ladle cover comprises a fixed ladle cover 18 and an opening and closing ladle cover 19, the fixed ladle cover 18 is used for fixedly sealing one part of the ladle opening, a molten iron flow regulating rod inserting and matching hole corresponding to the ladle nozzle 17 is arranged on the fixed ladle cover 18, and the opening and closing ladle cover 19 is used for opening or closing the other part of the ladle opening corresponding to the opening and closing ladle cover through a ladle cover opening and closing mechanism so as to inject molten iron into an inner cavity of the ladle body 16 or seal the molten iron in the ladle body 16; a flow regulating conical cavity is arranged above the ladle nozzle 17, and a cylindrical molten iron outflow channel communicated with the bottom of the flow regulating conical cavity is arranged below the ladle nozzle; when the ladle device is in a working state, a piston rod of the ladle tilting hydraulic oil cylinder 23 is in an extreme stroke position, so that the bottom of the ladle body 16 is positioned below, and a ladle nozzle 17 of the ladle is vertically and downwards aligned with a sand mold pouring cup 4-2 of a sand mold 4 so as to carry out pouring operation; when the ladle device is in a dumping state, a piston rod of the ladle tilting hydraulic oil cylinder 23 is positioned at the other stroke extreme position, and the ladle body 16 is tilted in a tilting way, so that molten iron in the ladle body is dumped from a ladle opening;
the casting ladle auxiliary device comprises a casting ladle flow adjusting device and a casting ladle nozzle slag removing mechanism;
the ladle flow regulating device comprises a flow regulating device fixing frame fixed on the tilting frame 22, a molten iron flow regulating rod actuating mechanism arranged on the flow regulating device fixing frame and an electric cylinder piston rod displacement sensor 36 (brand: germanmjet, model: 1840340300';
the molten iron flow regulating rod actuating mechanism comprises a flow regulating electric cylinder 24, a ladle nozzle alignment structure, a cantilever 34, a molten iron flow regulating rod 35 and a ladle nozzle grinding structure;
the flow regulating electric cylinder 24 is fixed on the flow regulating device fixing frame, and the electric cylinder piston rod of the flow regulating electric cylinder is vertically upward;
the ladle nozzle alignment structure comprises a vertical guide slide rail 25, a lower bearing mounting seat 26, a lower bearing 27, a bearing eccentric connecting piece 28, an upper bearing 29 and a molten iron flow regulating rod positioning structure;
the lower bearing mounting seat 26 comprises a lower bearing outer ring fixed connection structure and a vertical guide plate 30, and is fixedly connected with the outer ring of the lower bearing 27 through the lower bearing outer ring fixed connection structure, and the lower end of the lower bearing mounting seat 26 is hinged with a flow regulation electric cylinder piston rod; the vertical guide plate 30 is fixed on the lower bearing mounting seat 26 in parallel with the axial lead of the lower bearing 27, and the vertical guide slide rail 25 is arranged between the vertical guide plate 30 and the flow regulating device fixing frame, so that the double-shaft eccentric structure overcomes the radial load and keeps moving in the vertical direction;
the bearing eccentric connecting piece 28 comprises a lower bearing inner ring fixed connecting structure and an upper bearing outer ring fixed connecting structure, and is fixedly connected with the inner ring of the lower bearing 27 through the lower bearing inner ring fixed connecting structure, and is fixedly connected with the outer ring of the upper bearing 29 through the upper bearing outer ring fixed connecting structure, and the axial lead of the lower bearing 27 is perpendicular to the axial lead of the upper bearing 29 and is eccentrically arranged;
the positioning structure of the molten iron flow regulating rod comprises a brake disc 31 fixedly connected with an inner ring of the upper bearing 29, a pneumatic clamp 32 and a brake connecting plate 33, the lower end of the brake connecting plate 33 is fixedly connected with the lower bearing mounting seat 26, the upper end of the brake connecting plate 33 is fixedly connected with the pneumatic clamp 32, the pneumatic clamp 32 corresponds to the brake disc 31, and when the pneumatic clamp 32 clamps the brake disc 31, the ladle nozzle alignment structure is locked and fixed, so that the molten iron flow regulating rod 35 is positioned;
the inner end of the cantilever 34 is provided with a brake disc connecting structure which is fixedly connected with the brake disc 31 and is fixedly connected with the brake disc 31 through the structure;
the molten iron flow regulating rod 35 is provided with a slag removing rod inserting hole 35-1, the slag removing rod inserting hole 35-1 is arranged along the axis of the molten iron flow regulating rod 35 in a penetrating way, the molten iron flow regulating rod 35 is vertically arranged at the outer end of the cantilever 34 and is rotatably connected with the outer end of the cantilever 34 through a rotating connecting structure, the molten iron flow regulating rod 35 is adapted in the molten iron flow regulating rod inserting hole of the fixed ladle cover 18, the part of the lower end part of the molten iron flow regulating rod 35, which is adapted to the ladle nozzle 17, is a molten iron flow regulating core 35-2, the diameter of the molten iron flow regulating core 35-2 is gradually increased from bottom to top, and when the molten iron flow regulating rod gradually enters the flow regulating conical cavity of the ladle nozzle 17 from top to bottom, the gap between the molten iron flow regulating core 35-2 is gradually reduced so as to play a role in regulating the flow; the ladle nozzle alignment structure can enable the molten iron flow regulating rod 35 to do arc rotation independently or simultaneously with the axis of the lower bearing 27 as the center of a circle and the axis of the upper bearing 29 as the center of a circle, so that the position of the molten iron flow regulating core 35-2 can be adjusted in a certain range relative to the installation position of the ladle nozzle 17, and the installation position deviation which inevitably occurs in the process of frequently replacing the ladle nozzle 17 due to the process needs to be aligned;
the ladle nozzle grinding structure comprises a rotary air cylinder 39 and a grinding structure bent arm 40, the rear end of the rotary air cylinder 39 is hinged with the inner end part close to the cantilever 34, the outer end of the grinding structure bent arm 40 is fixed on the molten iron flow regulating rod 35, the inner end of the grinding structure bent arm 40 is hinged with a piston rod of the rotary air cylinder 39, and the piston rod of the rotary air cylinder 39 can stretch out and draw back to drive the molten iron flow regulating rod 35 to rotate back and forth by a corresponding angle through the grinding structure bent arm 40 so as to grind the flow regulating conical cavity of the ladle nozzle 17; thereby eliminating the residual solidified slag on the inner wall of the flow regulation conical cavity of the casting ladle nozzle 17;
the electric cylinder piston rod displacement sensor 36 is used for detecting the telescopic distance of the electric cylinder piston rod, so as to detect the approaching distance of the molten iron flow regulating core 35-2 relative to the ladle nozzle 17;
the slag removing mechanism of the casting nozzle comprises a slag removing rod follow-up structure, a slag removing cylinder 38 and a slag removing rod 37;
the slag removing rod follow-up structure comprises a slag removing mechanism base 41 fixed on the tilting bracket 22, a lower rotary connecting structure, a rotary eccentric arm 42, an upper rotary connecting structure and a slag removing cylinder mounting arm 43; the structure of the lower rotary connecting structure is the same as that of the upper rotary connecting structure: comprises a column 44, two shaft sleeves 45, a column jacket 46 and a slag removing rod positioning structure, wherein the column jacket 46 is provided with a column assembly cavity, the column assembly cavity is arranged along the axis of the column jacket 46, the column 44 is positioned in the column assembly cavity of the column jacket 46, the upper end and the lower end of an annular cavity between the inner wall of the column assembly cavity of the column jacket 46 and the outer wall of the column are respectively supported and matched together through the shaft sleeves 45, the inner rings of the two shaft sleeves 45 are respectively and fixedly connected with the outer wall of the column 44, the outer rings of the two shaft sleeves 45 are respectively and slidably connected with the inner wall of the column assembly cavity of the column jacket 46, so as to form a rotary connecting component which can be manufactured at any height according to needs and can relatively rotate between the column jacket 44 and the column jacket 46, in two ends of the rotary component, the end part of the column jacket 46 at one end, forming two member connection ends of the rotating member so that the two members connected to the two member connection ends can relatively rotate about the column 44 as an axis; the slag removing rod positioning structure comprises a jackscrew threaded hole radially arranged on the upright post outer sleeve 46 and a jackscrew 47 screwed in the jackscrew threaded hole, and is used for tightly propping against the outer wall of the upright post 44 by screwing the jackscrew 47 into the jackscrew threaded hole so as to relatively fix the upright post 44 and the upright post outer sleeve 46, thereby positioning the slag removing rod 37; a slag removing mechanism base 41, a lower rotary connecting structure and a rotary eccentric arm 42 in the slag removing rod follow-up structure, wherein the inner ends of the upper rotary connecting structure and a slag removing cylinder mounting arm 43 are sequentially connected from bottom to top, and the axes of upright columns 44 of the lower rotary connecting structure and the upper rotary connecting structure are vertical and eccentrically arranged at the mounting position of the rotary eccentric arm 42;
the slag removing cylinder 38 is fixed at the outer end of the slag removing cylinder mounting arm 43, a piston rod of the slag removing cylinder 38 faces downwards vertically, the upper end of the slag removing rod 37 is fixedly connected with the piston rod of the slag removing cylinder 38, the slag removing rod 37 is vertically inserted into a slag removing rod inserting hole 35-1 formed in the molten iron flow regulating rod 35 downwards, and when the piston rod of the slag removing cylinder 38 moves up and down, the slag removing rod 37 is driven to impact and eliminate solidified slag remained on the inner wall of the molten iron outflow channel of the ladle nozzle 17.
The ladle cover opening and closing mechanism in the casting ladle comprises: one end of the opening and closing ladle cover 19 is hinged with one side of the corresponding ladle opening, the ladle cover opening and closing mechanism comprises an opening and closing mechanism cylinder 48 and an opening and closing mechanism bent arm 49, the rear end of the opening and closing mechanism cylinder 48 is hinged with the ladle body 16 or the tilting frame 22 positioned on the hinged side of the opening and closing ladle cover 19, the outer end of the opening and closing mechanism bent arm 49 is hinged with the opening and closing ladle cover 19, the inner end of the opening and closing mechanism bent arm 49 is hinged with a piston rod of the opening and closing mechanism cylinder 48, and the piston rod of the opening and closing mechanism cylinder 48 can stretch and retract to drive the opening and closing ladle cover 19 to open or close the corresponding ladle opening through the opening and closing.
The lower bearing 27 and the upper bearing 29 in the ladle nozzle alignment structure are both slewing bearings (model number: 011.14.200, the lower bearing outer ring fixed connection structure in the lower bearing installation seat 26 is the lower bearing installation flange, the upper bearing outer ring fixed connection structure in the bearing eccentric connection 28 is the eccentric flange, the above flanges and the rotary bearings connected with each other adopt the bolt connection: bolts penetrate through the bolt connecting holes of the flanges and the bolt mounting holes of the outer rings of the ring-row slewing bearings to fixedly connect the flanges and the slewing bearings together, and the brake disc 31 is a flange plate.
The flow adjusting device fixing frame of the casting ladle flow adjusting device is a square box body 50, a molten iron flow adjusting rod actuating mechanism mounting hole is formed in the upper end of the square box body 50, a casting ladle nozzle alignment structure extends out of the square box body 50 through the molten iron flow adjusting rod actuating mechanism mounting hole, and a dustproof telescopic folded cloth 51 seals a gap between the molten iron flow adjusting rod actuating mechanism mounting hole and the casting ladle nozzle alignment structure to prevent industrial dust from entering and keep the flow adjusting electric cylinder 24 and the casting ladle nozzle alignment structure clean.
The slag removing mechanism base 41 is a compressed air bag, an air inlet of the compressed air bag is communicated with a compressed air source, and an air outlet of the compressed air bag provides a power air source for the slag removing air cylinder 38, so that the problem of insufficient power of the air supply source due to large air consumption of a piston rod of the slag removing air cylinder 38 in a quick telescopic working state is solved.
Claims (3)
1. The utility model provides a gating system is with pouring ladle flow control device which characterized in that: the device comprises a flow adjusting device fixing frame fixed on a tilting frame (22), a molten iron flow adjusting rod actuating mechanism arranged on the flow adjusting device fixing frame and an electric cylinder piston rod displacement sensor (36);
the molten iron flow adjusting rod actuating mechanism comprises a flow adjusting electric cylinder (24), a ladle nozzle aligning structure, a cantilever (34), a molten iron flow adjusting rod (35) and a ladle nozzle grinding structure;
the flow adjusting electric cylinder (24) is fixed on the flow adjusting device fixing frame, and a piston rod of the electric cylinder is vertically upward;
the ladle nozzle alignment structure comprises a vertical guide slide rail (25), a lower bearing mounting seat (26), a lower bearing (27), a bearing eccentric connecting piece (28), an upper bearing (29) and a molten iron flow regulating rod positioning structure;
the lower bearing mounting seat (26) comprises a lower bearing outer ring fixed connection structure and a vertical guide plate (30), and is fixedly connected with the outer ring of the lower bearing (27) through the lower bearing outer ring fixed connection structure, and the lower end of the lower bearing mounting seat (26) is hinged with a flow regulation electric cylinder piston rod; the vertical guide plate (30) and the axial lead of the lower bearing (27) are fixed on the lower bearing mounting seat (26) in parallel, and the vertical guide sliding rail (25) is arranged between the vertical guide plate (30) and the flow regulating device fixing frame;
the bearing eccentric connecting piece (28) comprises a lower bearing inner ring fixed connecting structure and an upper bearing outer ring fixed connecting structure, and is fixedly connected with the inner ring of the lower bearing (27) through the lower bearing inner ring fixed connecting structure, and is fixedly connected with the outer ring of the upper bearing (29) through the upper bearing outer ring fixed connecting structure, and the axial lead of the lower bearing (27) and the axial lead of the upper bearing (29) are perpendicular and are eccentrically arranged;
the positioning structure of the molten iron flow adjusting rod comprises a brake disc (31) fixedly connected with an inner ring of the upper bearing (29), a pneumatic clamp (32) and a brake connecting plate (33), the lower end of the brake connecting plate (33) is fixedly connected with the lower bearing mounting seat (26), the upper end of the brake connecting plate (33) is fixedly connected with the pneumatic clamp (32), the pneumatic clamp (32) corresponds to the brake disc (31), and when the pneumatic clamp (32) clamps the brake disc (31), the ladle nozzle aligning structure is locked and fixed, so that the molten iron flow adjusting rod (35) is positioned;
the inner end of the cantilever (34) is provided with a brake disc connecting structure which is fixedly connected with the brake disc (31) and is fixedly connected with the brake disc (31) through the structure;
the molten iron flow regulating rod (35) is provided with a slag removing rod inserting hole (35-1), the slag removing rod inserting hole (35-1) is arranged along the axis of the molten iron flow regulating rod (35) in a penetrating manner, the molten iron flow regulating rod (35) is vertically arranged at the outer end of the cantilever (34) and is rotatably connected with the outer end of the cantilever (34) through a rotating connecting structure, the molten iron flow regulating rod (35) is matched in the molten iron flow regulating rod inserting hole of the fixed ladle cover (18), the matched part of the lower end part of the molten iron flow regulating rod (35) and the ladle nozzle (17) is a molten iron flow regulating core (35-2), the diameter of the molten iron flow regulating core (35-2) is gradually increased from bottom to top, and when the molten iron flow regulating rod gradually enters the flow regulating conical cavity of the ladle nozzle (17) from top to bottom, the gap between the molten iron flow regulating core (35-2) is gradually reduced, so as to adjust the flow of the molten iron; the ladle nozzle alignment structure can enable the molten iron flow regulating rod (35) to independently or simultaneously rotate in an arc shape by taking the axis of the lower bearing (27) as the center of a circle and the axis of the upper bearing (29) as the center of a circle, so that the position of the molten iron flow regulating core (35-2) can be regulated in a certain range relative to the installation position of the ladle nozzle (17);
the ladle nozzle grinding structure comprises a rotating cylinder (39) and a grinding structure bent arm (40), the rear end of the rotating cylinder (39) is hinged with the inner end part close to the cantilever (34), the outer end of the grinding structure bent arm (40) is fixed on the molten iron flow regulating rod (35), the inner end of the grinding structure bent arm (40) is hinged with a piston rod of the rotating cylinder (39), and the piston rod of the rotating cylinder (39) can stretch and retract to drive the molten iron flow regulating rod (35) to rotate for a corresponding angle in a reciprocating mode through the grinding structure bent arm (40) so as to grind a flow regulating conical cavity of the ladle nozzle (17);
the electric cylinder piston rod displacement sensor (36) is used for detecting the telescopic distance of the electric cylinder piston rod.
2. A ladle flow rate regulating device for a gating system according to claim 1, wherein: the pouring ladle nozzle alignment structure is characterized in that the lower bearing (27) and the upper bearing (29) are both slewing bearings, the lower bearing outer ring fixed connection structure in the lower bearing mounting seat (26) is a lower bearing mounting flange, the upper bearing outer ring fixed connection structure in the bearing eccentric connecting piece (28) is an eccentric flange, and the flanges are connected with the respective slewing bearings through bolts: the bolts penetrate through the bolt connecting holes of the flange and the bolt mounting holes of the outer ring of the ring column of the slewing bearing to fixedly connect the flange and the slewing bearing together, and the brake disc (31) is a flange plate.
3. A ladle flow rate adjusting device for a gating system according to claim 2, wherein: the utility model discloses a casting ladle flow control device, including pouring ladle flow control device, pouring ladle flow control device's flow control device mount is square box (50) the upper end of square box (50) is equipped with molten iron flow control stick actuating mechanism mounting hole, pouring ladle mouth alignment structure passes through molten iron flow control stick actuating mechanism mounting hole stretches out square box (50), dustproof flexible plaiting (51) will molten iron flow control stick actuating mechanism mounting hole with the gap between the pouring ladle mouth alignment structure is sealed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021699624.4U CN212917605U (en) | 2020-08-15 | 2020-08-15 | Pouring ladle flow adjusting device for pouring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021699624.4U CN212917605U (en) | 2020-08-15 | 2020-08-15 | Pouring ladle flow adjusting device for pouring system |
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| Publication Number | Publication Date |
|---|---|
| CN212917605U true CN212917605U (en) | 2021-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021699624.4U Active CN212917605U (en) | 2020-08-15 | 2020-08-15 | Pouring ladle flow adjusting device for pouring system |
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| Country | Link |
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| CN (1) | CN212917605U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111842868A (en) * | 2020-08-15 | 2020-10-30 | 永红保定铸造机械有限公司 | Pouring ladle flow adjusting device for pouring system |
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2020
- 2020-08-15 CN CN202021699624.4U patent/CN212917605U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111842868A (en) * | 2020-08-15 | 2020-10-30 | 永红保定铸造机械有限公司 | Pouring ladle flow adjusting device for pouring system |
| CN111842868B (en) * | 2020-08-15 | 2024-06-21 | 永红保定铸造机械有限公司 | Ladle flow regulating device for pouring system |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A ladle flow regulating device for pouring system Effective date of registration: 20230728 Granted publication date: 20210409 Pledgee: Baoding Mancheng District Rural Credit Union Co.,Ltd. Daziying Credit Cooperative Pledgor: YONGHONG BAODING FOUNDRY MACHINERY CO.,LTD. Registration number: Y2023980050391 |