CN218965761U - A casting material preparation device for a tundish stabilizer - Google Patents

Abstract

The utility model relates to a pouring material preparation device for a tundish current stabilizer, which comprises a supporting base, wherein supporting plates are respectively arranged at the front end and the rear end of the supporting base, rotating shafts are respectively arranged at the upper parts of the two supporting plates in a rotating way, a stirring cylinder is fixedly connected between the opposite ends of the two rotating shafts, a left hydraulic cylinder is hinged between the left end of the outer bottom of the stirring cylinder and the supporting base, a right hydraulic cylinder is hinged between the right end of the outer bottom of the stirring cylinder and the supporting base, a feeding pipe is communicated with the center of the top of the stirring cylinder, a discharging pipe is respectively communicated with the lower parts of the left end and the right end of the stirring cylinder, a stirring main shaft is rotationally arranged in the stirring cylinder, a plurality of main stirring paddles are uniformly distributed on the stirring main shaft, one end of the stirring main shaft is fixedly sleeved with a rectangular plate, stirring shafts are respectively arranged at the two ends of the rectangular plate in a rotating way, sub stirring paddles are arranged on the stirring shafts, an annular scraping plate is abutted to the inner side wall of the stirring cylinder, an electric push rod is arranged at the upper part of the outer wall of one end of the stirring cylinder, and the telescopic end of the electric push rod stretches into the stirring cylinder and is fixedly connected with the scraping plate. The utility model can effectively disperse cloth and premix after feeding, and is more practical when discharging, and the material is obliquely discharged and residual materials are scraped.

Description

A casting material preparation device for a tundish stabilizer

technical field

The utility model belongs to the technical field of casting material preparation, in particular to a casting material preparation device for a tundish flow stabilizer.

Background technique

The tundish flow stabilizer is a functional refractory component installed at the bottom of the impact area of the tundish to stabilize the molten steel flow in the nozzle area of the tundish, prevent the internal quality defects of the continuous casting slab caused by the slag being involved in the molten steel, promote the floating of inclusions, and reduce the splashing of molten steel , the materials used are mostly castables such as magnesia, aluminum-magnesium, high-alumina or corundum spinel, and when preparing these castables, mixing and mixing of various raw materials is an indispensable process . The patent with the notification number CN214238811U discloses a two-way stirring device for lightweight high-alumina castables. By setting up a two-way stirring structure, the device makes the stirring efficiency significantly improved, and the mixing is more uniform, which can effectively ensure the stirring quality. But the device still has the following problems: 1. When feeding, the material directly falls into the mixing tank below the pipeline through the pipeline, so that the material in the mixing tank is unevenly distributed, and the concentration of the local material is high. Directly stirring greatly increases the The difficulty and burden of mixing prolong the time required for the overall mixing; 2. When discharging, because the mixing tank is horizontal and fixed, it is impossible to quickly empty and clean the material through the discharge port, especially the material adhered to the The material on the inner wall of the mixing tank affects the subsequent use effect of the mixing tank, which is not conducive to the subsequent mixing and mixing operations, and needs to be improved.

Utility model content

In view of this, the purpose of this utility model is to provide a casting material preparation device for tundish flow stabilizer, which can effectively disperse the material and pre-mix after feeding, and then perform multi-axis stirring and mixing, and can realize tilting when discharging Fast discharge and effective scraping of residual materials to solve the above problems.

In order to achieve the above purpose, the technical solution adopted by the utility model is: a casting material preparation device for a tundish stabilizer, including a support base, and the front and rear ends of the support base are vertically provided with support plates, two The plates are arranged symmetrically, and the upper parts of both are horizontal along the front-to-back direction and are provided with rotating shafts. The two rotating shafts are arranged oppositely and a horizontal mixing drum is fixedly connected between the opposite ends. A left hydraulic cylinder is installed between the support bases, and a right hydraulic cylinder is installed between the right end and the corresponding support base. Both are hinged to the outer bottom of the corresponding mixing drum. The top center of the mixing drum is connected with a feed pipe with a feed valve, and the lower parts of the left and right ends are connected with a discharge pipe with a discharge valve. The inner coaxial and rotating is equipped with a stirring main shaft, on which a number of main stirring paddles are evenly distributed along its axial interval, and a rectangular plate is fixedly sleeved on one end, and both ends of the rectangular plate are horizontal and rotating A stirrer shaft is provided, and a sub-stirrer paddle is arranged on the stirrer shaft. The end of the stirrer shaft close to the rectangular plate extends out of the mixing drum and is connected to the main motor by transmission. The end of the stirrer shaft close to the rectangular plate runs through the rectangular plate. The plate is connected with a sub-motor by transmission, an annular scraper is abutted against the inner wall of the mixing drum, and an electric push rod is horizontally mounted on the upper part of the outer wall of one end of the mixing drum, and the telescopic end of the electric push rod extends into the stirring The cylinder is fixedly connected with the upper part of one side of the scraper.

Preferably, the main stirring paddles include several stirring rods that are evenly distributed on the stirring shaft at circumferential intervals and are fixedly connected to the stirring shaft. The inclination directions of the rods are the same, and the inclination directions of the stirring rods of two adjacent groups of main stirring blades are opposite.

Preferably, the sub-stirring paddles include several rectangular stirring frames that are evenly distributed on the stirring shaft at circumferential intervals and are fixedly connected with the stirring shaft. mesh stirrer.

Preferably, a main motor box is fixed on the outer end wall of the mixing drum corresponding to the main motor, and the main motor is fixed in the main motor box.

Preferably, a sub-motor box is fixed on the rectangular plate corresponding to the sub-motor, and the sub-motor is fixed in the corresponding sub-motor box.

Preferably, the support base is a foamed aluminum plate.

The beneficial effect of the utility model is: before use, in the initial state, the electric push rod is in a contracted state, so that the scraper is arranged close to the inner end wall of one end of the adjacent mixing drum, so as not to affect the mixing operation. When in use, first open the feed valve, and send the material to be mixed into the mixing drum through the feed pipe. After the feeding is completed, close the feeding valve, run the left hydraulic cylinder and the right hydraulic cylinder, so that the piston rods of the two alternately expand and contract. With the mutual cooperation of the functions, the mixing drum can be tilted back and forth in the left and right directions, so that the materials in the mixing drum can continuously flow back and forth in this process, and a certain degree of pre-mixing effect can be achieved. After a period of time, keep the piston rods of the two hydraulic cylinders at the same amount of expansion and contraction, and the mixing drum can be restored to a horizontal state, and at this time, the materials in the mixing drum are more evenly dispersed, thus greatly reducing the pressure in the mixing drum. The problem of high local material concentration, coupled with the effect of pre-mixing, can effectively reduce the difficulty and burden of subsequent mixing and mixing, shorten the overall time required for mixing operations, and be more practical;

Then, start the main motor and the two sub-motors. The operation of the main motor can drive the stirring main shaft and the main agitating paddle on it, the rectangular plate and the stirrer shaft on the rectangular plate to rotate synchronously, and the operation of the two sub-motors can drive the corresponding stirring. The sub-shaft and the sub-agitator on the sub-axis rotate automatically. With the cooperation of the revolution of the main agitator and sub-agitator and the rotation of the sub-agitator, more efficient, high-quality, comprehensive and thorough multi-axis agitation and mixing of materials can be realized. The effect of processing, stirring and mixing is better, and the overall efficiency and quality are higher. After the mixing is completed, adjust the expansion and contraction of the piston rods of the left hydraulic cylinder and the right hydraulic cylinder, so that the elongation of the piston rod of the hydraulic cylinder on the same side as the scraper is greater than the elongation of the piston rod of the other hydraulic cylinder. The entire mixing drum is angled downward towards the side where the hydraulic cylinders with low elongation are located. Then, open the discharge valve on the discharge pipe on the corresponding side, and under the action of the tilt of the entire mixing drum, the mixed material can be quickly discharged through the corresponding discharge pipe, the discharge is more efficient and thorough, and it can be quickly discharged. The mixed material in the mixing drum is emptied. Afterwards, run the electric push rod to extend the telescopic end, which can drive the scraper to move towards the lower end of the mixing drum at this time, so that the scraper can be used to adhere to the inner wall of the mixing drum during the moving process. The materials are effectively scraped and cleaned, and the residual materials can also be quickly discharged through the corresponding discharge pipe in the inclined state of the mixing drum. When the scraper moves to the lower end, the expansion and contraction of the two hydraulic cylinders can be adjusted again, so that the mixing drum is tilted downward in the opposite direction again, and the discharge valve corresponding to this direction is opened, and the scraper can be driven by the electric push rod. During the return trip, the inner wall of the mixing drum is scraped and cleared again, and discharged through the corresponding discharge pipe, so as to ensure that the mixing drum can discharge the material without affecting the subsequent use of the mixing drum, and is more conducive to subsequent mixing and mixing operations .

Description of drawings

Fig. 1 is the front view structural representation of the utility model;

Fig. 2 is the front view sectional structure schematic diagram of the mixing drum of the present utility model;

Fig. 3 is a right view structural representation of the utility model;

Fig. 4 is a schematic diagram of the front view of the utility model when tilted to the left;

Fig. 5 is a schematic diagram of the front view of the utility model when tilted to the right.

Numbers in the figure: 1 is the support base, 2 is the support plate, 3 is the rotating shaft, 4 is the mixing drum, 5 is the left hydraulic cylinder, 6 is the right hydraulic cylinder, 7 is the feed valve, 8 is the feed pipe, 9 is the row Material valve, 10 is the discharge pipe, 11 is the stirring main shaft, 12 is the main stirring paddle, 13 is the rectangular plate, 14 is the stirring sub-shaft, 15 is the sub-stirring paddle, 16 is the main motor, 17 is the sub-motor, 18 is the scraper Plate, 19 is an electric push rod, 20 is a main motor box, and 21 is a sub-motor box; Wherein, 1201 is a stirring rod, 1501 is a stirring frame, and 1502 is a mesh stirring part.

Detailed ways

Below in conjunction with accompanying drawing and specific embodiment the utility model is described in further detail:

As shown in Figures 1 to 5, a castable preparation device for a tundish stabilizer includes a support base 1, and the front and rear ends of the support base 1 are vertically provided with support plates 2, and the two support plates 2 are symmetrically arranged and two The upper part of them is horizontally and rotated along the front-to-back direction and is provided with a rotating shaft 3, and the two rotating shafts 3 are arranged oppositely and a horizontal mixing drum 4 is fixedly connected between the two opposite ends. A left hydraulic cylinder 5 is installed between the left end of the outer bottom of the mixing drum 4 and the corresponding support base 1, a right hydraulic cylinder 6 is installed between the right end and the corresponding support base 1, and the cylinder body of the left hydraulic cylinder 5 and the right hydraulic cylinder 6 All are hinged to the corresponding support base 1, the piston rods are all upward and are hinged to the outer bottom of the corresponding mixing drum 4. The top center of the mixing drum 4 communicates with a feed pipe 8 with a feed valve 7 , and the lower parts of the left and right ends communicate with a discharge pipe 10 with a discharge valve 9 . The mixing drum 4 is coaxial and rotatingly provided with a stirring main shaft 11, a plurality of main stirring paddles 12 are evenly distributed along its axial interval on the stirring main shaft 11 and a rectangular plate 13 is fixedly sleeved on one end thereof, and a rectangular plate 13 is fixedly sleeved on the two ends of the rectangular plate 13. A stirrer shaft 14 is arranged on the uniform level and rotates, and a sub-stirrer paddle 15 is arranged on the stirrer shaft 14 . One end of the stirring spindle 11 close to the rectangular plate 13 protrudes from the mixing drum 4 and is connected to the main motor 16 through transmission. An annular scraper 18 is abutted against the inner wall of the mixing drum 4, and an electric push rod 19 is horizontally erected on the upper part of the outer wall of one end of the mixing drum 4. Fixed connection on the upper part of the side;

Before use, in the initial state, the electric push rod 19 is in a contracted state, so that the scraper 18 is arranged close to the inner end wall of one end of the adjacent mixing drum 4, so as not to affect the mixing operation. When in use, the feed valve 7 is opened first, and the material to be mixed is sent into the mixing drum 4 through the feed pipe 8 . After the feed is completed, close the feed valve 8, run the left hydraulic cylinder 5 and the right hydraulic cylinder 6, so that the piston rods of the two alternately expand and contract. Under the mutual cooperation of the rotation of the fixedly connected rotating shaft 3, the mixing drum 4 can be tilted back and forth in the left and right direction, so that the material in the mixing drum 4 can continuously flow back and forth in this process, reaching a certain degree the premix effect. After a period of time, keep the piston rods of the two hydraulic cylinders at the same amount of expansion and contraction, so that the mixing drum 4 can be restored to a horizontal state, and at this time, the materials in the mixing drum 4 are more evenly dispersed, thereby greatly reducing the pressure on the mixing drum. The problem of high local material concentration in 4, coupled with the effect of pre-mixing, can effectively reduce the difficulty and burden of subsequent mixing and mixing, shorten the overall time required for mixing operations, and be more practical;

Then, start the main motor 16 and the two sub-motors 17, the operation of the main motor 16 can drive the stirring main shaft 11 and the main stirring paddle 12 on it, the rectangular plate 13 and the stirrer shaft 14 on the rectangular plate 13 to rotate synchronously, and the two sub-motors The operation of 17 can drive the corresponding agitator shaft 14 and the sub-agitator 15 on the agitator shaft 14 to rotate, and under the cooperation of the revolution of the main agitator 12 and the sub-agitator 15 and the rotation of the sub-agitator 15, the Realize more efficient, high-quality, comprehensive and thorough multi-axis mixing and mixing processing of materials, better mixing effect, higher overall efficiency and quality. After the mixing is completed, adjust the expansion and contraction of the piston rods of the left hydraulic cylinder 5 and the right hydraulic cylinder 6, so that the extension of the piston rod of the hydraulic cylinder on the same side as the scraper 18 is greater than the extension of the piston rod of the other hydraulic cylinder , that is, the entire mixing drum 4 can be tilted downward at a certain angle toward the side where the hydraulic cylinder with low elongation is located. Then, open the discharge valve 9 on the discharge pipe 10 on the corresponding side, and under the action of the inclination of the entire mixing drum 4, the mixed material can be quickly discharged through the corresponding discharge pipe 10, and the discharge is more efficient and thorough. The mixed material in the mixing drum 4 can be emptied more quickly. Afterwards, run the electric push rod 19 to extend its telescopic end, and then the scraper 18 can be driven to move towards the lower end of the mixing drum 4 at this time, so that during the movement, the scraper 18 can be used to remove the adhering material on the stirring drum 4. The materials on the inner wall of the cylinder 4 are effectively scraped and cleaned, and these residual materials can also be quickly discharged through the corresponding discharge pipe 10 in the inclined state of the mixing cylinder 4 . After the scraper 18 moves to the lower end, the expansion and contraction of the two hydraulic cylinders can be adjusted again, so that the mixing drum 4 is tilted downward in the opposite direction again, and the discharge valve 9 corresponding to this direction is opened, and the electric push rod When 19 drives the scraper 18 to make a return trip, scrape and clear the inner wall of the mixing drum 4 again, and discharge it through the corresponding discharge pipe 10, so as to ensure that the mixing drum 4 discharges clean materials without affecting the subsequent use of the mixing drum 4 The effect is more conducive to the subsequent mixing operation.

In this embodiment, the main stirring paddle 12 includes a number of stirring rods 1201 that are evenly distributed on the stirring main shaft 11 at circumferential intervals and fixedly connected with the stirring main shaft 11. The stirring rods 1201 are all inclined to the left or right. The direction of inclination of the stirring rods 1201 of the stirring paddles 12 is the same, and the direction of inclination of the stirring rods 1201 of two adjacent groups of main stirring paddles 12 is opposite, so that when stirring and mixing, a plurality of stirring rods 1201 which rotate synchronously with the stirring main shaft 11 can be used to Realize effective stirring and mixing of materials, and the inclination direction of the stirring rods 1201 of the same group of main stirring paddles 12 is the same, and the setting of the inclination directions of the stirring rods 1201 of adjacent two groups of main stirring paddles 12 is opposite, which can make different positions during stirring The interlayer convection is formed between the materials, which can greatly enhance the effect of stirring and mixing, improve the efficiency and quality of mixing, and can better cooperate to realize more efficient, high-quality, comprehensive and thorough mixing and mixing operations.

In this embodiment, the sub-stirring paddle 15 includes several rectangular stirring frames 1501 that are evenly distributed on the stirring shaft 14 at circumferential intervals and are fixedly connected with the stirring shaft 14. The mesh-like stirring piece 1502 formed by crossing the vertical rods makes the stirring frame 1501 and the mesh-like stirring piece 1502 revolving and rotating synchronously with the corresponding stirrer shaft 14 during stirring and mixing, so that the mesh-like stirring piece 1502 can be used to further strengthen the The mixing strength and mixing range of the material can effectively avoid the dead angle of mixing and ensure the fluidity of the material, so that the material can be mixed more uniformly and thoroughly, and the efficiency and quality of mixing can be effectively improved.

In the present embodiment, the outer end wall of the mixing drum 4 corresponding to the main motor 16 is fixed with a main motor case 20, and the main motor 16 is fixed in the main motor case 20, so that when in use, the main motor case 20 can The main motor 16 is effectively protected to ensure the service life of the main motor 16.

In this embodiment, a sub-motor box 21 is fixed on the corresponding rectangular plate 13 of the sub-motor 17, and the sub-motor 17 is fixed in the corresponding sub-motor box 21, so that when in use, the sub-motor can be connected by the sub-motor box 21. 17 carries out effective protection, to guarantee the service life of sub-motor 17.

In this embodiment, the supporting base 1 is a foamed aluminum plate, which is an existing material, and has the characteristics of high specific stiffness, high damping, shock absorption, energy absorption, corrosion resistance, etc. The cushioning and shock absorption effect of the device makes the mixing operation more stable, thus effectively ensuring the quality of the mixing operation.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present utility model shall be included in this utility model. within the scope of protection of utility models.

Claims (6)

1. A casting material preparation device for a tundish stabilizer, comprising a support base, characterized in that, the front and rear ends of the support base are vertically provided with support plates, and the two support plates are arranged symmetrically and both tops are Horizontal and rotating shafts are provided along the front and rear directions. The two shafts are arranged opposite to each other and a horizontal mixing drum is fixedly connected between the two opposite ends. A left hydraulic cylinder is installed between the left end of the outer bottom of the mixing drum and the corresponding supporting base. 1. A right hydraulic cylinder is installed between the right end and the corresponding support base, the cylinder bodies of the left hydraulic cylinder and the right hydraulic cylinder are all hinged with the corresponding support base, and the piston rods are all upward and hinged with the corresponding outer bottom of the mixing drum , the top center of the mixing drum is connected with a feed pipe with a feed valve, and the lower parts of the left and right ends are connected with a discharge pipe with a discharge valve. The mixing drum is coaxial and rotated with a stirring spindle , the stirring main shaft is uniformly distributed with several main stirring paddles at intervals along its axial direction and a rectangular plate is fixedly sleeved on one end of the stirring shaft, and a stirrer shaft is arranged on both ends of the rectangular plate horizontally and rotatingly, and the stirring A sub-shaft is provided with a sub-stirring paddle, and the end of the agitating main shaft close to the rectangular plate protrudes from the mixing drum and is connected to the main motor through transmission. There is an annular scraper abutted against the inner wall of the mixing drum, and an electric push rod is horizontally erected on the upper part of the outer wall of one end of the mixing drum, and the telescopic end of the electric push rod extends into the mixing drum and connects with the upper part of one side of the scraper. Fixed connection. 2. The castable preparation device for the tundish flow stabilizer according to claim 1, wherein the main stirring paddle comprises some stirring rods which are evenly distributed on the stirring main shaft at circumferential intervals and are fixedly connected with the stirring main shaft, so that The stirring rods are all tilted towards the left or right side, the stirring rods of the same group of main stirring blades are inclined in the same direction, and the stirring rods of two adjacent groups of main stirring blades are inclined in opposite directions. 3. The castable preparation device for the tundish flow stabilizer according to claim 1, wherein the sub-stirring paddles include several rectangular stirring paddles that are evenly distributed on the agitator shaft at circumferential intervals and are fixedly connected with the agitator shaft. frame, and the inner side of the stirring frame is provided with a mesh stirring piece formed by crossing several horizontal bars and several vertical bars. 4. The pouring material preparation device for tundish current stabilizer according to claim 1, characterized in that, the main motor box is fixed on the outer end wall of the mixing drum corresponding to the main motor, and the main motor is fixed on the main motor. in the motor box. 5. The castable preparation device for the tundish current stabilizer according to claim 1, wherein a sub-motor box is fixed on the corresponding rectangular plate of the sub-motor, and the sub-motor is fixed on the corresponding sub-motor in the chassis. 6 . The device for preparing castables for tundish stabilizers according to claim 1 , wherein the supporting base is a foamed aluminum plate. 7 .

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