Tundish dry material automatic feeding device

Abstract

The utility model discloses a tundish dry material automatic feeding device which comprises a stock bin, a discharging channel is arranged at the bottom of one side of the stock bin, a partition plate, a screening funnel and a feeding hopper are sequentially arranged in the stock bin from top to bottom, the partition plate is fixedly connected with the inner wall of the stock bin, and the screening funnel and the feeding hopper are both movably connected with the inner wall of the stock bin. Bagged dry materials are placed in the stock bin, wall breaking treatment is conducted on the bagged dry materials through the material supplementing mechanism, the dry materials fall down from the strip-shaped holes after packaging bags are scratched, the materials are screened after being filtered through the screening funnel, residual impurities can be discharged from the cleaning opening, and the screened materials are conveyed into the discharging channel through the feeding hopper. The material guiding thin pipe and the spiral auger are used for controlling the downward sliding speed and flow of powder, the protective cover communicated with the output end of the conveying hose is matched to convey the material to the tundish, raised dust can be covered, flying dust is reduced, the material supplementing process is efficient, time and labor are saved, and safety is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of metallurgy, in particular to an automatic feeding device for dry materials in tundish. Background Art

[0002] There are usually two types of tundishes used in continuous casting of steelmaking, namely dry material tundish and spray coating tundish. The dry material tundish has the characteristics of good stability and long service life. The feeding of dry materials usually adopts manual form. The manual feeding method generates a lot of dust, is inconvenient to handle, and the labor intensity of workers is high. By using an automatic feeding device, manual labor can be reduced, and at the same time, the generation of dust can be reduced, which is convenient for on-site operation.

[0003] In the existing automatic feeding devices, it is usually necessary for workers to pour the bagged dry materials onto the transmission mechanism, and then use the feeding mechanism to transport them to the tundish. Continuous small amounts of supplementary feeding by workers is required. This process is time-consuming and laborious, and the dust is serious, threatening the safety of workers.

[0004] Therefore, it is very necessary to develop an automatic feeding device for dry materials in tundish. Content of the Utility Model

[0005] The technical problem to be solved by the utility model is to provide an automatic feeding device for dry materials in tundish in view of the above-mentioned deficiencies of the existing technology. The bagged dry materials are placed in the silo. The supplementary feeding mechanism is used to first break the bagged dry materials, and after the packaging bag is cut, the dry materials fall from the strip holes. After being filtered by the screening funnel, the materials are screened out, and the remaining impurities can be discharged from the cleaning port. The screened materials are transported to the inside of the discharge channel by the feeding hopper. The speed and flow rate of the powder are controlled by the guiding thin pipe and the spiral auger, and the output end of the conveying hose is connected with a protective cover to transport the materials to the tundish, so as to solve the problems raised in the background art.

[0006] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0007] An automatic feeding device for dry materials in tundish includes a silo. A discharge channel is arranged at the bottom on one side of the silo. A partition board, a screening funnel and a feeding hopper are sequentially arranged in the silo from top to bottom. The partition board is fixedly connected with the inner wall of the silo, and the screening funnel and the feeding hopper are both movably connected with the inner wall of the silo;

[0008] A knife roller is arranged between the partition board and the screening funnel. The two ends of the knife roller are respectively rotatably connected with the side wall of the silo. A plurality of uniformly distributed strip holes are formed on the surface of the partition board, and cutting knives corresponding to the multiple strip holes one by one are arranged on the knife roller. A first driving motor is fixedly connected to the outer wall of the silo, and the output shaft of the first driving motor drives the knife roller so that the cutting knives move in the strip holes;

[0009] The output port of the feeding hopper is docked with the input port of the discharging channel, and the output end of the discharging channel is communicated with a material guiding mechanism for controlling the conveying amount of the material. A conveying hose is installed at the output end of the material guiding mechanism.

[0010] Preferably, a through groove is formed in the bottom wall of the bin. Positioning seats fixedly connected to the bin are arranged on both sides of the through groove. A shaft rod is rotatably connected between the two positioning seats. Pulley wheels are fixedly connected to the ends of the shaft rod and the cutter roller respectively. The two pulley wheels are connected by a belt in a transmission manner. An eccentric block is fixedly connected to the outer side of the shaft rod, and the eccentric block intermittently touches the bottom wall of the feeding hopper as the shaft rod rotates. Slide rods are fixedly connected to the four corners of the bottom of the feeding hopper. The slide rods penetrate through the bottom wall of the bin and are slidably connected with the through holes. A screw nut is installed at the bottom end of the slide rod. A first spring member is sleeved on the outer side of the slide rod between the screw nut and the bottom wall of the bin.

[0011] Preferably, the inner bottom wall of the feeding hopper is inclined, and a buffer gasket is arranged on the bottom wall of the feeding hopper outside the slide rod.

[0012] Preferably, a slide plate is integrally arranged at the outer top end of the screening funnel. A support block is fixedly connected to the inner wall of the bin. A plurality of uniformly distributed second spring members are arranged between the slide plate and the support block. A vibration motor is installed on the screening funnel.

[0013] Preferably, the screening funnel includes a screening mesh plate at the bottom. One side of the screening mesh plate is attached to the inner wall of the bin. A cleaning port is formed in the bin at the position corresponding to the screening mesh plate. Gradient plates are integrally arranged on the other three sides of the screening mesh plate.

[0014] Preferably, a closing door is hinged in the cleaning port, and the closing door and the bin are locked by a bolt.

[0015] Preferably, the material guiding mechanism includes a material guiding thin pipe. A spiral auger is arranged inside the material guiding thin pipe. A second driving motor is installed on one side of the material guiding thin pipe, and the output end of the second driving motor drives the middle shaft of the spiral auger.

[0016] Preferably, the discharging channel is arranged in a funnel shape. The top end of the material guiding thin pipe is welded to the output port of the discharging channel and is internally communicated. The output end of the material guiding thin pipe is butt-jointed and internally communicated with the conveying hose. The output end of the conveying hose is communicated with a protective cover.

[0017] The intermediate ladle dry material automatic feeding device further includes a dust collection mechanism for absorbing the dust raised inside the protective cover. The dust collection mechanism includes a dust collector. The input end of the dust collector extends to the inner top end of the protective cover through a negative pressure pipe. A dust collection box is arranged at the output end of the dust collector.

[0018] Preferably, the bin and the dust collection box are installed on a bracket, and rollers are installed below the bracket.

[0019] The utility model has the following beneficial effects:

[0020] By placing the bagged dry material in the silo, the feeding mechanism first performs wall-breaking treatment on the bagged dry material. After the packaging bag is cut, the dry material falls from the strip-shaped holes. After being filtered by the screening funnel, the material is screened down, and the remaining impurities can be discharged from the cleaning port. The screened material is transported to the inside of the discharge channel by the feeding hopper. The guiding thin pipe and the spiral auger are used to control the falling speed and flow rate of the powder material, and the output end of the conveying hose is connected with a protective cover to transport the material to the tundish, which can cover the dust and reduce the floating of dust. The feeding process is relatively efficient, time-saving and labor-saving, and the safety is improved;

[0021] By setting up a dust collection mechanism, the raised dust is collected in the dust collection box. After the feeding is completed, before the next use, the lid below the dust collection box is opened, and the dust falls into the tundish and is used as dry material continuously, reducing waste and lowering the production cost. Description of the Drawings

[0022] Figure 1 It is a schematic diagram of the overall structure of the tundish dry material automatic feeding device provided by the utility model;

[0023] Figure 2 It is a three-dimensional view of the feeding mechanism provided by the utility model;

[0024] Figure 3 It is a three-dimensional view of the first perspective of the internal structure of the feeding mechanism provided by the utility model;

[0025] Figure 4 It is a three-dimensional view of the second perspective of the internal structure of the feeding mechanism provided by the utility model;

[0026] Figure 5 It is a three-dimensional view of the third perspective of the internal structure of the feeding mechanism provided by the utility model;

[0027] Figure 6 It is a front view of the internal structure of the feeding mechanism provided by the utility model.

[0028] Among them:

[0029] Bunker - 1; Discharge channel - 2; Partition board - 3; Screening funnel - 4; Feeding hopper - 5; Knife roller - 6; Striped hole - 7; Cutting knife - 8; First drive motor - 9; Material guiding mechanism - 10; Conveying hose - 11; Through groove - 12; Positioning seat - 13; Shaft rod - 14; Pulley - 15; Belt - 16; Slide rod - 17; Nut - 18; First spring member - 19; Buffer gasket - 20; Slide plate - 21; Support block - 22; Second spring member - 23; Vibration motor - 24; Cleaning port - 25; Sealing door - 26; Protective cover - 27; Dust collection mechanism - 28; Bracket - 29; Roller - 30;

[0030] Screening mesh plate - 401; Slope plate - 402;

[0031] Material guiding thin tube - 101; Screw auger - 102; Second drive motor - 103;

[0032] Vacuum cleaner - 281; Negative pressure pipe - 282; Dust collection box - 283. Detailed implementation mode

[0033] The present utility model will be further described in detail below in conjunction with the accompanying drawings and specific preferred implementation modes.

[0034] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by terms such as "left side", "right side", "upper part", "lower part", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. "First", "second", etc. do not represent the importance of the components, so they cannot be understood as limitations to the present utility model. The specific dimensions adopted in this embodiment are only for illustrating the technical solution by way of example, and do not limit the protection scope of the present utility model.

[0035] As Figure 1-6 shown, a dry material automatic feeding device for tundish includes a bunker 1. A discharge channel 2 is arranged at the bottom on one side of the bunker 1. A partition board 3, a screening funnel 4 and a feeding hopper 5 are sequentially arranged in the bunker 1 from top to bottom. The partition board 3 is fixedly connected to the inner wall of the bunker 1, and both the screening funnel 4 and the feeding hopper 5 are movably connected to the inner wall of the bunker 1;

[0036] A through slot 12 is formed in the bottom wall of the silo 1. Positioning seats fixedly connected to the silo 1 are provided on both sides of the through slot 12. A shaft rod 14 is rotatably connected between the two positioning seats. Pulley wheels 15 are fixedly connected to the ends of the shaft rod 14 and the cutter roller 6. The two pulley wheels 15 are drivingly connected by a belt 16. An eccentric block 13 is fixedly connected to the outer side of the shaft rod 14, and the eccentric block 13 intermittently touches the bottom wall of the feeding hopper 5 as the shaft rod 14 rotates. Slide rods 17 are fixedly connected to the four corners of the bottom of the feeding hopper 5. The slide rods 17 penetrate the bottom wall of the silo 1 and are slidably connected to the through holes. A lead screw nut 18 is installed at the bottom end of the slide rod 17. A first spring member 19 is sleeved on the outer side of the slide rod 17 between the lead screw nut 18 and the bottom wall of the silo 1.

[0037] A slide plate 21 is integrally provided at the outer top end of the screening funnel 4. A support block 22 is fixedly connected to the inner wall of the silo 1. A number of uniformly distributed second spring members 23 are provided between the slide plate 21 and the support block 22. A vibration motor 24 is installed on the screening funnel 4.

[0038] A cutter roller 6 is provided between the partition plate 3 and the screening funnel 4. The two ends of the cutter roller 6 are respectively rotatably connected to the side walls of the silo 1. A number of uniformly distributed strip-shaped holes 7 are formed on the surface of the partition plate 3. Cutting blades 8 corresponding to the multiple strip-shaped holes 7 one by one are provided on the cutter roller 6. A first driving motor 9 is fixedly connected to the outer wall of the silo 1. The output shaft of the first driving motor 9 drives the cutter roller 6 so that the cutting blades 8 move in the strip-shaped holes 7, forming a feeding supplement mechanism.

[0039] The output port of the feeding hopper 5 is butted against the input port of the discharge channel 2. The output end of the discharge channel 2 is communicated with a material guiding mechanism 10 for controlling the conveying amount of the material. A conveying hose 11 is installed at the output end of the material guiding mechanism 10.

[0040] As a preferred embodiment of the material guiding mechanism 10 in the present utility model:

[0041] The material guiding mechanism 10 includes a material guiding thin pipe 101. A spiral auger 102 is provided inside the material guiding thin pipe 101. A second driving motor 103 is installed on one side of the material guiding thin pipe 101. The output end of the second driving motor 103 drives the middle shaft of the spiral auger 102. Specifically, the second driving motor 103 is fixed on the outer side of the material guiding thin pipe 101. The output end of the second driving motor 103 drives the middle shaft of the spiral auger 102 through gears, so that the spiral auger 102 rotates to convey the material.

[0042] Specifically, the inner bottom wall of the feeding hopper 5 is inclined. The bottom end of the inclined surface of the feeding hopper 5 is matched with the discharge channel 2. A buffer gasket 20 is padded on the bottom wall of the feeding hopper 5 and outside the slide rod 17 for buffer protection between the feeding hopper 5 and the inner wall of the silo 1, extending the service life of the device.

[0043] Specifically, the screening funnel 4 includes a screening mesh plate 401 at the bottom. One side of the screening mesh plate 401 is attached to the inner wall of the bin 1, and a cleaning port 25 is provided at the position on the bin 1 corresponding to the screening mesh plate 401. The other three sides of the screening mesh plate 401 are integrally provided with slope plates 402. The slope plates 402 are used to aggregate the materials to the screening mesh plate 401. In cooperation with the vibration of the screening funnel 4, the materials are screened down, and the remaining impurities can be discharged through the cleaning port 25.

[0044] Specifically, a closing door 26 is hinged in the cleaning port 25, and the closing door 26 is locked with the bin 1 by a bolt. During operation, the closing door 26 is used to close the cleaning port 25 to reduce the influence of dust emission.

[0045] To facilitate the conveying of materials, the discharge channel 2 is set in a funnel shape, that is, the inlet part is larger than the outlet part to facilitate material aggregation. The top end of the material guiding thin pipe 101 is welded to the outlet of the discharge channel 2 and is internally connected. The output end of the material guiding thin pipe 101 is butt-jointed and internally connected to the conveying hose 11. The output end of the conveying hose 11 is connected to a protective cover 27. When the dry material is sent into the tundish, the protective cover 27 is used to prevent dust from flying.

[0046] The tundish dry material automatic feeding device further includes a dust collection mechanism 28 for absorbing the dust raised in the protective cover 27. The dust collection mechanism 28 includes a dust collector 281. The input end of the dust collector 281 extends to the inner top end of the protective cover 27 through a negative pressure pipe 282, and the output end of the dust collector 281 is provided with a dust collection box 283.

[0047] To facilitate the movement of the tundish dry material automatic feeding device, realize the assembly of the device and the transmission of the dry material in the tundish, the bin 1 and the dust collection box 283 are installed on a bracket 29, and rollers 30 are installed below the bracket 29.

[0048] When the utility model is in use, the bagged dry material is placed in the silo 1 and is located on the partition 3, the first drive motor 9, the second drive motor 103 and the vibration motor 24 are started, the output shaft of the first drive motor 9 is connected to the knife roller 6, so that the cutting knife 8 moves in the strip hole 7, the bagged dry material is broken, and the dry material falls from the strip hole 7 after the packaging bag is cut, the output shaft of the first drive motor 9 is driven by two sets of pulleys 15 and belts 16, so that the eccentric block 13 rotates with the shaft rod 14 and intermittently touches the bottom wall of the feeding hopper 5, the feeding hopper 5 is limited by the slide bar 17 and the first spring member 19 is stored, the feeding hopper 5 can shake, and the vibration motor 24 vibrates at the same time, and the second spring member 23 is deformed to make the screening funnel 4 can The material can be shaken and the slope plate 402 is used to aggregate the material to the screening mesh plate 401. The material is screened by the shaking of the screening funnel 4. The residual impurities can be discharged from the cleaning port 25. The screened material is transmitted to the inside of the discharge channel 2, and the dry material slides to the top of the guide tube 101. The spiral auger 102 controls the speed and flow of the powder material sliding down, and the protective cover 27 is connected to the output end of the conveying hose 11 to convey the material to the middle bag, which can cover the dust and reduce the dust from floating. The raised dust can be further collected in the dust collecting box 283. After the feeding is completed, the cover under the dust collecting box 283 is opened before the next use, and the dust falls into the middle bag and continues to be used as dry material to reduce waste.

[0049] The embodiments of the present invention are described in detail above with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. For those skilled in the art, various changes, modifications, substitutions and variations of these embodiments are made without departing from the principles and spirit of the present invention, and still fall within the scope of protection of the present invention.

Claims

1. An automatic feeding device for the tundish dry material, comprising a silo (1), and a discharging channel (2) is arranged at the bottom of one side of the silo (1), and is characterized in that: The silo (1) is provided with a partition (3), a screening funnel (4) and a feeding hopper (5) in order from top to bottom, and the partition (3) is fixedly connected to the inner wall of the silo (1), and the screening funnel (4) and the feeding hopper (5) are both movably connected to the inner wall of the silo (1); A knife roller (6) is arranged between the partition (3) and the screening funnel (4), and both ends of the knife roller (6) are rotatably connected to the side wall of the silo (1), a plurality of evenly distributed strip holes (7) are opened on the surface of the partition (3), and a cutting knife (8) corresponding to the plurality of strip holes (7) is arranged on the knife roller (6), and a first driving motor (9) is fixedly connected to the outer wall of the silo (1), and the output shaft of the first driving motor (9) drives the knife roller (6) so that the cutting knife (8) moves in the strip holes (7); The output port of the feeding hopper (5) is connected to the input port of the discharge channel (2), and the output end of the discharge channel (2) is connected to a material introduction mechanism (10) for controlling the material delivery rate, and a delivery hose (11) is installed at the output end of the material introduction mechanism (10).

2. The automatic feeding device for intermediate dry materials according to claim 1, wherein: The bottom wall of the silo (1) is provided with a through groove (12), and positioning seats fixedly connected to the silo (1) are provided on both sides of the through groove (12), and a shaft (14) is rotatably connected between the two positioning seats. The ends of the shaft (14) and the knife roller (6) are fixedly connected with pulleys (15), and the two pulleys (15) are connected by a belt (16). An eccentric block (13) is fixedly connected to the outside of the shaft (14), and the eccentric block (13) intermittently touches the bottom wall of the feeding hopper (5) as the shaft (14) rotates. The four corners of the bottom of the feeding hopper (5) are fixedly connected with sliding rods (17), the sliding rod (17) penetrates the bottom wall of the silo (1) and is slidably connected to the through hole. A nut (18) is installed at the bottom end of the sliding rod (17), and a first spring member (19) is sleeved on the outside of the sliding rod (17) and between the nut (18) and the bottom wall of the silo (1).

3. An automatic feeding device for intermediate dry materials according to claim 2, characterized in that: The inner bottom wall of the feeding hopper (5) is arranged obliquely, and a buffer gasket (20) is provided on the bottom wall of the feeding hopper (5) and on the outer side of the slide bar (17).

4. An automatic feeding device for intermediate dry materials according to claim 1, characterized in that: A slide plate (21) is integrally provided at the top end of the outer side of the screening funnel (4), a support block (22) is fixedly connected to the inner wall of the silo (1), and a plurality of evenly distributed second spring members (23) are provided between the slide plate (21) and the support block (22), and a vibration motor (24) is installed on the screening funnel (4).

5. The automatic feeding device for intermediate dry materials according to claim 4, wherein: The screening funnel (4) comprises a screening mesh plate (401) at the bottom, one side of the screening mesh plate (401) being in contact with the inner wall of the silo (1), and a cleaning port (25) is provided at a position on the silo (1) corresponding to the screening mesh plate (401), and the other three sides of the screening mesh plate (401) are respectively integrally provided with a slope plate (402).

6. An automatic feeding device for intermediate dry materials according to claim 5, characterized in that: A closed door (26) is hingedly connected inside the cleaning port (25), and the closed door (26) and the silo (1) are locked by a latch.

7. An automatic feeding device for intermediate dry materials according to claim 1, characterized in that: The material guiding mechanism (10) includes a material guiding thin tube (101). A spiral auger (102) is arranged inside the material guiding thin tube (101). A second driving motor (103) is installed on one side of the material guiding thin tube (101), and the output end of the second driving motor (103) drives the middle shaft of the spiral auger (102).

8. An automatic feeding device for intermediate dry materials according to claim 7, characterized in that: The discharge channel (2) is arranged in a funnel shape. The top end of the material guiding thin tube (101) is welded to the output port of the discharge channel (2) and is internally connected. The output end of the material guiding thin tube (101) is butt - joint installed and internally connected with a conveying hose (11). The output end of the conveying hose (11) is connected to a protective cover (27).

9. An automatic feeding device for intermediate dry materials according to claim 8, characterized in that: It further includes a dust collection mechanism (28) for absorbing the dust raised inside the protective cover (27). The dust collection mechanism (28) includes a dust collector (281). The input end of the dust collector (281) extends to the inner top end of the protective cover (27) through a negative pressure pipe (282). The output end of the dust collector (281) is provided with a dust collection box (283).

10. An automatic feeding device for intermediate dry materials according to claim 9, characterized in that: The material bin (1) and the dust collection box (283) are installed on a bracket (29), and rollers (30) are installed below the bracket (29).

Images