Automatic proportioning device for raw materials of magnesia carbon bricks for ladle slag line

Abstract

The utility model relates to the technical field of magnesia carbon brick processing, in particular to a magnesia carbon brick raw material automatic proportioning device for a ladle slag line, which comprises a bottom frame, a processing box is mounted at the top end of the bottom frame, a feeding hole is formed in the top end of the processing box, two groups of crushing rollers are mounted on the inner side of the feeding hole, and a weighing and screening mechanism is mounted in the processing box. A mixing box is installed at the other end of the top of the bottom frame, the weighing and screening mechanism comprises a discharging and weighing assembly, a feeding assembly, a screening assembly and a recycling assembly, the screening assembly is used for screening raw materials crushed by the crushing rollers, and the discharging and weighing assembly is used for discharging and weighing the materials batch by batch; the feeding assembly is used for sweeping out the intercepted unqualified materials and the weighed appropriate materials with the appropriate weight. The device is simple in structure and convenient to operate, crushing, screening and weighing are integrated at one position, raw materials are directly and automatically pushed to a stirring position to be mixed after weighing and proportioning are completed, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of magnesia carbon brick processing, in particular to an automatic proportioning device for magnesia carbon brick raw materials used in a ladle slag line. Background Art

[0002] Magnesia carbon brick is a non-burning carbon composite refractory material made of high-melting alkaline oxide magnesium oxide (melting point 2800℃) and high-melting carbon material that is difficult to be wetted by slag as raw materials, adding various non-oxide additives and combining with carbon binder. Magnesia carbon brick is mainly used for the lining of converter, AC arc furnace, DC arc furnace, slag line of ladle and other parts. At present, when the existing raw materials for the production of magnesia carbon brick are processed and mixed, the staff needs to first perform preliminary crushing and grinding on the large pieces of materials to be mixed, pick out the unqualified materials, and then take them for weighing and proportioning, and send them to the stirring device for mixing operation. It needs to be transported and operated in different equipment, which is relatively cumbersome, increasing the workload of the staff and affecting the work efficiency. Utility Model Content

[0003] The utility model aims to provide an automatic proportioning device for raw materials of magnesia carbon bricks used in ladle slag lines, so as to solve the problems raised in the above-mentioned background technology.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] An automatic proportioning device for raw materials of magnesium carbon bricks for ladle slag line comprises a base frame, a processing box is installed on the top of the base frame, a feed port is opened on the top of the processing box, two groups of crushing rollers are installed on the inner side of the feed port, a weighing and screening mechanism is installed inside the processing box, a mixing box is installed on the other end of the top of the base frame, a stirring assembly is installed on the mixing box, the weighing and screening mechanism comprises a material discharging weighing assembly, a feeding assembly, a screening assembly and a recycling assembly, the screening assembly is used to screen the raw materials crushed by the crushing roller, the material discharging weighing assembly is used to discharge and weigh the materials in batches, the feeding assembly is used to sweep out the intercepted unqualified materials and the suitable materials weighed with the appropriate weight, and the recycling assembly is used to store the unqualified materials.

[0006] As a preferred solution of the utility model, the screening material assembly includes an installation groove opened on one side of the inner wall of the processing box, a vibration motor is installed on the inner wall of the installation groove, a connecting plate is installed on the driving end of the vibration motor, one end of the connecting plate is installed with one group of guide plates, one side of one group of guide plates is installed with a screen, and another group of guide plates is installed on the other end of the screen, and a guide groove is opened on one side of the processing box.

[0007] As a preferred solution of the utility model, the unloading weighing assembly includes a first flow hole opened at the bottom end of the processing box, a discharge barrel is rotatably connected inside the processing box, and a second flow hole is arranged on the outer wall of the discharge barrel, a discharge pipe is embedded and installed on one side of the discharge barrel inside the processing box, a connecting frame is installed at one end of the processing box, a first motor is installed at one end of the connecting frame, and the driving end of the first motor is fixedly connected to one end of the discharge barrel, an extension groove is opened inside the processing box below the discharge pipe, a pressure sensor is embedded and installed at the bottom end of the inner wall of the extension groove, and the pressure sensor is a piezoresistive sensor, and a guide tube extending to the inner side of the extension groove is embedded and installed at one end of the mixing box.

[0008] As a preferred solution of the utility model, the feeding assembly includes a second motor installed on one side of the processing box, a fixed cylinder is installed on one side of the second motor, the inner side of the fixed cylinder is rotatably connected to a threaded rod, the inner side of the fixed cylinder is slidably connected to an extension cylinder, the extension cylinder and the threaded rod are threadedly connected, limiting grooves are provided on both sides of the inner wall of the fixed cylinder, and limit blocks slidably connected to the limit grooves are installed at both ends of the extension cylinder.

[0009] As a preferred solution of the utility model, a connecting plate is installed at one end of the stretching cylinder, and push rods slidably connected to the processing box are installed at both ends of the connecting plate. A sweeping plate is installed at one end of the push rod extending to the inner side of the processing box, and a brush is installed at the bottom end of the sweeping plate.

[0010] As a preferred solution of the utility model, the recycling component includes a card slot opened at the other end of the processing box, the inner side of the card slot is engaged with a card block, a positioning slot is opened on one side of the card slot inside the processing box, a positioning block is slidably connected on the inner side of the positioning slot, a spring is installed between one side of the positioning block and the inner wall of the positioning slot, a pull rod is installed on the other side of the positioning block, a pull slot is opened on one side of the positioning slot inside the processing box, the pull slot is slidably connected to the pull rod, one end of the pull rod is rotatably connected to a pull ring, a recycling box is installed at one end of the card block, and one end of the card block is opened with a splicing groove engaged with the positioning block.

[0011] As a preferred solution of the utility model, the stirring assembly includes a third motor installed on the top of the mixing box, the driving end of the third motor extends to one end inside the mixing box and is equipped with a stirring rod, and multiple groups of stirring blades are arranged and installed on the outside of the stirring rod.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The utility model discloses screening the raw material after crushing by crushing roller through material screening component, material discharging weighing component can discharge material batch by batch and weigh and proportion, material feeding component sweeps out intercepted unqualified material and suitable material weighed with suitable weight, recycling component is used for storing unqualified material, and structure is simple and operation is convenient, and crushing, screening and weighing are concentrated in one place, and after weighing and proportioning are completed, raw material can be directly and automatically pushed to mixing place for mixing, thereby improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 It is a partial cross-sectional structural schematic diagram of the processing box of the utility model;

[0016] Figure 3 This is a partial cross-sectional structural diagram of the mixing box of the utility model;

[0017] Figure 4 This is a partial cross-sectional structural diagram of the fixed cylinder of the utility model;

[0018] Figure 5 For this utility model Figure 2 Schematic diagram of the enlarged structure of part A.

[0019] In the figure: 1. base frame; 2. processing box; 3. crushing roller; 4. mixing box; 5. vibration motor; 6. guide plate; 7. screen; 8. first circulation hole; 9. discharge cylinder; 10. second circulation hole; 11. connecting frame; 12. first motor; 13. second motor; 14. fixing cylinder; 15. threaded rod; 16. extension cylinder; 17. limit block; 18. push rod; 19. brush; 20. block; 21. positioning block; 22. pull rod; 23. pressure sensor; 24. guide tube; 25. stirring blade; 26. recycling box. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0021] Example:

[0022] See also Figure 1-Figure 5 , the utility model provides a technical solution:

[0023] The automatic proportioning device for raw materials of magnesium carbon bricks for ladle slag line comprises a base frame 1, a processing box 2 is installed on the top of the base frame 1, a feed port is opened on the top of the processing box 2, two sets of crushing rollers 3 are installed inside the feed port, a weighing and screening mechanism is installed inside the processing box 2, a mixing box 4 is installed on the other end of the top of the base frame 1, a stirring component is installed on the mixing box 4, the weighing and screening mechanism comprises a material weighing component, a feeding component, a screening component and a recycling component, the screening component is used to screen the raw materials crushed by the crushing roller 3, the material weighing component is used to put down the materials batch by batch and weigh them, and the feeding component is used to intercept the materials. The unqualified materials and the suitable materials with appropriate weight are swept out, and the recovery component is used to store the unqualified materials. When in use, the device can screen the raw materials crushed by the crushing roller 3 through the screening component, and the material discharging and weighing component can discharge the materials batch by batch and weigh the proportion. The feeding component sweeps out the intercepted unqualified materials and the suitable materials with appropriate weight. The recovery component is used to store the unqualified materials. It has a simple structure and is easy to operate. The crushing, screening and weighing are concentrated in one place. After the weighing and proportioning are completed, the raw materials are automatically pushed to the mixing place for mixing, which improves the work efficiency.

[0024] In this embodiment, if Figure 1 , Figure 2 and Figure 3 As shown, the screening assembly includes a mounting groove opened on one side of the inner wall of the processing box 2, a vibration motor 5 is installed on the inner wall of the mounting groove, a connecting plate is installed on the driving end of the vibration motor 5, one end of the connecting plate is installed with one group of guide plates 6, one side of one group of guide plates 6 is installed with a screen 7, and the other end of the screen 7 is installed with another group of guide plates 6. A guide groove is opened on one side of the processing box 2. First, the material crushed by the crushing roller 3 falls onto the screen 7, and then the vibration motor 5 is started to drive the connecting plate and the screen 7 to vibrate and screen, and the material with qualified size is screened out.

[0025] In this embodiment, if Figure 1 , Figure 2 and Figure 3As shown, the material discharging weighing assembly includes a first flow hole 8 opened at the bottom end of the processing box 2, a discharge cylinder 9 is rotatably connected inside the processing box 2, and second flow holes 10 are arranged on the outer wall of the discharge cylinder 9. A discharge pipe is embedded and installed on one side of the discharge cylinder 9 inside the processing box 2, a connecting frame 11 is installed at one end of the processing box 2, a first motor 12 is installed at one end of the connecting frame 11, and the driving end of the first motor 12 is fixedly connected to one end of the discharge cylinder 9. An extension groove is opened inside the processing box 2 below the discharge pipe, and a pressure sensor 23 is embedded and installed at the bottom end of the inner wall of the extension groove. The pressure sensor 23 is a piezoresistive sensor, and an extension groove is embedded and installed at one end of the mixing box 4. The guide tube 24 extends to the inner side of the extension groove, and then the qualified material falls into the first flow hole 10. The first motor 12 is started to drive the discharge barrel 9 to rotate. When the second flow hole 10 is aligned with the first flow hole 8, the material falls. At the same time, after the second flow hole 10 is aligned with the discharge pipe, the material is discharged in batches and falls onto the pressure sensor 23 for weighing. The speed of the first motor 12 is adjustable. The longer the docking time between the second flow hole 10, the first flow hole 8 and the discharge pipe port, the more and faster the material is discharged, and vice versa. The discharge speed and amount are adjusted according to the materials with different weight ratios, and the discharge is in batches instead of one-time discharge to ensure the weighing accuracy and efficiency.

[0026] In this embodiment, if Figure 1 , Figure 2 and Figure 4 As shown, the feeding assembly includes a second motor 13 installed on one side of the processing box 2, a fixed cylinder 14 is installed on one side of the second motor 13, a threaded rod 15 is rotatably connected to the inner side of the fixed cylinder 14, a stretching cylinder 16 is slidably connected to the inner side of the fixed cylinder 14, the stretching cylinder 16 is threadedly connected to the threaded rod 15, both sides of the inner wall of the fixed cylinder 14 are provided with limiting grooves, both ends of the stretching cylinder 16 are provided with limiting blocks 17 slidably connected to the limiting grooves, one end of the stretching cylinder 16 is provided with a connecting plate, both ends of the connecting plate are provided with connecting blocks slidably connected to the processing box 2 A push rod 18 is provided, and a sweeping plate is installed at one end of the push rod 18 extending to the inner side of the processing box 2, and a brush 19 is installed at the bottom end of the sweeping plate. Further, the second motor 13 is started to drive the threaded rod 15 to rotate so that the extension cylinder 16 is retracted in cooperation with the limit groove and the limit block 17, and the two groups of push rods 18 and the sweeping plate are driven to move in cooperation with the connecting plate. One group of brushes 19 sweeps unqualified materials on the screen 7 into the inner side of the recovery box 26 for collection, and the other group of brushes 19 sweeps qualified materials weighed by the pressure sensor 23 into the mixing box 4 through the guide tube 24.

[0027] In this embodiment, if Figure 2 and Figure 5As shown, the recycling component includes a slot opened at the other end of the processing box 2, and a card block 20 is engaged with the inner side of the slot. A positioning slot is opened on one side of the slot inside the processing box 2, and a positioning block 21 is slidably connected to the inner side of the positioning slot. A spring is installed between one side of the positioning block 21 and the inner wall of the positioning slot, and a pull rod 22 is installed on the other side of the positioning block 21. A pull slot is opened on one side of the positioning slot inside the processing box 2, and the pull slot and the pull rod 22 are slidably connected. A pull ring is rotatably connected to one end of the pull rod 22, and a recycling box 26 is installed at one end of the card block 20, and a splicing slot engaged with the positioning block 21 is opened at one end of the card block 20. Furthermore, pulling the pull ring drives the pull rod 22 to move, so that the positioning block 21 squeezes the spring to retract. At this time, the positioning block 21 is away from the splicing slot, and then the recycling box 26 can be pulled out by holding one end, so that unqualified raw materials can be processed centrally.

[0028] In this embodiment, if Figure 1 , Figure 2 and Figure 3 As shown, the stirring assembly includes a third motor installed on the top of the mixing box 4. The driving end of the third motor extends to one end inside the mixing box 4 and is equipped with a stirring rod. A plurality of groups of stirring blades 25 are arranged on the outside of the stirring rod. Furthermore, after all the raw materials are poured into the inside of the mixing box 4, the stirring rod can be started to drive the stirring blades 25 to rotate for sufficient mixing operation.

[0029] The implementation principle of the automatic proportioning device for magnesia carbon brick raw materials for ladle slag line in the embodiment of the present application is as follows: the material crushed by the crushing roller 3 falls onto the screen 7, and then the vibration motor 5 is started to drive the connecting plate and the screen 7 to vibrate and screen, and the material with qualified size is screened out, and the qualified material falls into the first flow hole 10, and the first motor 12 is started to drive the discharge barrel 9 to rotate. When the second flow hole 10 is aligned with the first flow hole 8, the material falls. At the same time, after the second flow hole 10 is aligned with the discharge pipe, the material is discharged in batches and falls onto the pressure sensor 23 for weighing. The speed of the first motor 12 is adjustable, so that the longer the docking time of the second flow hole 10, the first flow hole 8 and the discharge pipe port, the more and faster the material is discharged, and vice versa. The material discharge speed and amount are adjusted according to the materials with different proportions, and the batch discharge is not It is a one-time discharge to ensure the weighing accuracy and weighing efficiency. Start the second motor 13 to drive the threaded rod 15 to rotate so that the stretching tube 16 cooperates with the limit groove and the limit block 17 to retract, and cooperates with the connecting plate to drive the two groups of push rods 18 and the sweeping plate to move. One group of brushes 19 sweeps the unqualified materials on the screen 7 into the inner side of the recovery box 26 for collection, and the other group of brushes 19 sweeps the qualified materials weighed by the pressure sensor 23 into the mixing box 4 through the guide tube 24. Pull the pull ring to drive the pull rod 22 to move, so that the positioning block 21 squeezes the spring to retract. At this time, the positioning block 21 is away from the splicing groove, and then hold one end of the recovery box 26 to pull it out, and the unqualified raw materials are processed centrally. After all the raw materials are poured into the inner side of the mixing box 4, the stirring rod can be started to drive the stirring blade 25 to rotate for sufficient mixing operation.

[0030] The control method of the present invention is controlled by a controller. The control circuit of the controller can be realized by simple programming by technicians in this field. The provision of power is also common knowledge in this field. In addition, the present invention is used to protect mechanical devices, so the present invention will no longer explain the control method and circuit connection in detail.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An automatic proportioning device for raw materials of magnesium carbon bricks for ladle slag line, comprising a base frame (1), characterized in that: A processing box (2) is installed at the top of the base frame (1), a feed port is opened at the top of the processing box (2), two groups of crushing rollers (3) are installed inside the feed port, a weighing and screening mechanism is installed inside the processing box (2), a mixing box (4) is installed at the other end of the top of the base frame (1), a stirring assembly is installed on the mixing box (4), the weighing and screening mechanism includes a material discharging weighing assembly, a material feeding assembly, a material screening assembly and a recycling assembly, the material screening assembly is used to screen the raw materials crushed by the crushing rollers (3), the material discharging weighing assembly is used to discharge the materials batch by batch and weigh them, the material feeding assembly is used to sweep out the intercepted unqualified materials and the suitable materials weighed with the appropriate weight, and the recycling assembly is used to store the unqualified materials.

2. The automatic proportioning device for raw materials of magnesia carbon bricks for ladle slag line according to claim 1 is characterized in that: The screening material assembly comprises a mounting groove provided on one side of the inner wall of the processing box (2); a vibration motor (5) is installed on the inner wall of the mounting groove; a connecting plate is installed on the driving end of the vibration motor (5); one end of the connecting plate is provided with a group of guide plates (6); one side of one group of guide plates (6) is provided with a screen (7); the other end of the screen (7) is provided with another group of guide plates (6); and a guide groove is provided on one side of the processing box (2).

3. The automatic proportioning device for raw materials of magnesia carbon bricks for ladle slag line according to claim 1 is characterized in that: The material discharge weighing assembly comprises a first flow hole (8) opened at the bottom end of the processing box (2), a discharge cylinder (9) is rotatably connected inside the processing box (2), and the outer wall of the discharge cylinder (9) is arranged with second flow holes (10), a discharge pipe is embedded and installed on one side of the discharge cylinder (9) inside the processing box (2), a connecting frame (11) is installed at one end of the processing box (2), a first motor (12) is installed at one end of the connecting frame (11), and the driving end of the first motor (12) is fixedly connected to one end of the discharge cylinder (9), an extension groove is opened inside the processing box (2) below the discharge pipe, and a pressure sensor (23) is embedded and installed at the bottom end of the inner wall of the extension groove, and the pressure sensor (23) is a piezoresistive sensor, and a guide tube (24) extending to the inner side of the extension groove is embedded and installed at one end of the mixing box (4).

4. The automatic proportioning device for raw materials of magnesia carbon bricks for ladle slag line according to claim 1 is characterized in that: The feeding assembly comprises a second motor (13) installed on one side of the processing box (2), a fixed cylinder (14) is installed on one side of the second motor (13), a threaded rod (15) is rotatably connected to the inner side of the fixed cylinder (14), an extension cylinder (16) is slidably connected to the inner side of the fixed cylinder (14), the extension cylinder (16) and the threaded rod (15) are threadedly connected, limiting grooves are provided on both sides of the inner wall of the fixed cylinder (14), and limiting blocks (17) slidably connected to the limiting grooves are installed at both ends of the extension cylinder (16).

5. The automatic proportioning device for raw materials of magnesia carbon bricks for ladle slag line according to claim 4 is characterized in that: A connecting plate is installed at one end of the stretching tube (16), and push rods (18) slidably connected to the processing box (2) are installed at both ends of the connecting plate. A sweeping plate is installed at one end of the push rod (18) extending to the inner side of the processing box (2), and a brush (19) is installed at the bottom end of the sweeping plate.

6. The automatic proportioning device for raw materials of magnesia carbon bricks for ladle slag line according to claim 1 is characterized in that: The recycling component comprises a slot provided at the other end of the processing box (2), a block (20) being engaged and connected to the inner side of the slot, a positioning slot being provided at one side of the slot in the processing box (2), a positioning block (21) being slidably connected to the inner side of the positioning slot, a spring being installed between one side of the positioning block (21) and the inner wall of the positioning slot, a pull rod (22) being installed at the other side of the positioning block (21), a pull slot being provided at one side of the positioning slot in the processing box (2), the pull slot being slidably connected to the pull rod (22), a pull ring being rotatably connected to one end of the pull rod (22), a recycling box (26) being installed at one end of the block (20), and a splicing slot engaged with the positioning block (21) being provided at one end of the block (20).

7. The automatic proportioning device for raw materials of magnesia carbon bricks for ladle slag line according to claim 1 is characterized in that: The stirring assembly comprises a third motor mounted on the top of the mixing box (4); a driving end of the third motor extends to one end inside the mixing box (4) and is mounted with a stirring rod; a plurality of groups of stirring blades (25) are arranged and mounted on the outside of the stirring rod.

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