Mixing device for producing pellets containing magnesium oxide

Abstract

The utility model relates to the technical field of pellet mixing, and discloses a mixing device for producing pellets containing magnesium oxide, which comprises a mixing box, a sealing cover plate is arranged at the upper end of the mixing box, feeding pipes are arranged on the left side and the right side of the sealing cover plate in a penetrating manner, and a motor is fixedly mounted in the middle of the upper end of the sealing cover plate. The output end of the motor is connected with a rotating shaft, and stirring blades are fixedly mounted on the outer surface of the rotating shaft. According to the mixing device for production of the pellets containing magnesium oxide, raw materials can be stirred and mixed through rotation of the rotating shaft and the stirring blades, the eccentric wheel is driven to move in a linkage mode while stirring and mixing are conducted, intermittent automatic discharging of the raw materials is achieved, the situation that the added raw materials are obviously layered can be avoided, and the production efficiency is improved. The screw rod is rotated to drive the fixed sleeve and the second moving plate to move, so that the position of the second moving plate can be adjusted, the moving range of the discharging plate can be adjusted along with deformation recovery of the pushing spring, the discharging amount is adjusted, and the purpose of adjusting the proportion is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of pellet mixing, in particular to a mixing device for producing magnesium oxide-containing pellets. Background Art

[0002] Magnesium oxide-containing pellets are pellets with a certain alkalinity by directly adding MgO and other ironmaking fluxes to the iron-containing raw materials during the pelletizing process. The preparation of magnesium oxide-containing pellets mainly includes the steps of raw material preparation, batching, mixing, pelletizing, drying, preheating and roasting. Therefore, the effect of mixing determines the quality of magnesium oxide-containing pellets.

[0003] Publication number: CN220951963U A high-efficiency pellet mixing device includes a base and a box body, wherein the box body is arranged above the base, and support legs are arranged around the bottom of the base; a protective cover is provided in the middle of the top of the box body, and a feed pipe and a feed port are provided on both sides of the top of the box body to connect to the inside of the box body; a discharge port is provided at the bottom of the box body; a motor is provided in the protective cover, and a first gear is provided at the output end of the motor; a transmission rod is provided in the box body, and a second gear is provided on the top of the transmission rod to mesh with the first gear; and a stirring blade is provided on the rod body of the transmission rod. When in use, a certain amount of iron ore powder is poured into the feed port, and then a binder is poured into the feed pipe, and then the motor is started to control the first gear to rotate, thereby driving the second gear to rotate. The transmission rod connected to the second gear drives the stirring blade on the rod body to rotate, thereby fully stirring the iron ore powder and the binder to make the iron ore powder and the binder mixed more evenly. The side walls of the box are provided with an air hood, which is connected to a horizontal pipe provided on the inner wall of the box. The air hood is provided with a heating wire and a fan, and the horizontal pipe is provided with an air diffuser. While the stirring blades stir the raw materials, the fan is activated to exchange external air with internal air, and the heating wire heats the air, so that the hot air flow blown out from the air diffuser not only dries the iron ore powder, but also prevents the iron ore powder from sticking to the inner wall of the box.

[0004] However, the following problems still exist during the use of the above-mentioned agglomerate mixing device: when mixing the raw materials, the above-mentioned device adopts a feeding port to add the raw materials, so all the raw materials need to be added to the mixing device at one time, which can easily cause the raw materials to be stratified, and uneven mixing can easily occur due to the large amount of raw materials added. Utility Model Content

[0005] In view of the shortcomings of the existing technology, the utility model provides a mixing device for the production of magnesium oxide-containing pellets, which can ensure the uniformity of raw material addition by intermittently feeding the raw materials while stirring.

[0006] The utility model provides the following technical solution: a mixing device for the production of magnesium oxide-containing pellets, comprising a mixing box, a sealing cover plate is provided at the upper end thereof, and a feed pipe is penetrated on the left and right sides of the sealing cover plate, a motor is fixedly installed at the middle position of the upper end of the sealing cover plate, and the output end of the motor is connected to the rotating shaft, and a stirring blade is fixedly installed on the outer surface of the rotating shaft, a driving gear is fixedly installed at the output end of the motor, and driven gears are meshed on the left and right sides of the driving gear, an eccentric wheel is coaxially installed on the upper end of the driven gear, and a first movable plate is fitted on the side of the eccentric wheel, and a blanking plate is fixedly installed on the first movable plate, and the blanking plate is tightly fitted with the feed pipe.

[0007] Furthermore, two driven gears are symmetrically arranged about the center of the driving gear, and the diameter and number of teeth of the driving gear and the driven gear are set to be equal. Through the above structure, the driving gear can be driven to rotate by the rotation of the driving gear.

[0008] Furthermore, the eccentric wheel is composed of two semicircular plate-shaped structures, and two eccentric wheels are symmetrically arranged about the center of the driving gear. The eccentric wheel and the sealing cover plate constitute a rotating mechanism, and the outer surface of the eccentric wheel is set to be smooth. Through the above structure, it is convenient to push the second movable plate through the rotation of the eccentric wheel, thereby driving the blanking plate to move.

[0009] Furthermore, a fixed plate is symmetrically installed on the outer surface of the feed tube, and a rotating screw is rotatably installed on the fixed plate, and the external thread of the rotating screw is connected to a fixed sleeve. Through the above structure, it is convenient to support the rotating screw without affecting the rotation of the rotating screw, and the fixed sleeve can be driven to move as the rotating screw rotates.

[0010] Furthermore, a second movable plate is fixedly mounted on the fixed sleeve, and the second movable plate is slidably connected to the outer surface of the blanking plate. A push spring is fixedly mounted on the second movable plate, and the push spring is fixedly mounted on the first movable plate. Through the above structure, the position of the second movable plate can be moved.

[0011] Furthermore, a rotating handle is rotatably installed on the outer surface of the feed tube, and a receiving gear is meshed with the side of the rotating handle, and the receiving gear is fixedly installed on the rotating screw. Through the above structure, it is convenient to drive the receiving gear to move by rotating the handle, so that the rotating screw starts to rotate.

[0012] Compared with the prior art, the utility model has the following beneficial effects: the mixing device for the production of magnesium oxide pellets can achieve stirring and mixing of the raw materials by rotating the rotating shaft and the stirring blades, and at the same time of stirring and mixing, the eccentric wheel is driven to move, which can drive the discharge plate to move, and the intermittent automatic discharge of the raw materials can be achieved, thereby effectively avoiding the obvious stratification of the added raw materials, effectively ensuring the mixing effect, and the fixed sleeve and the second movable plate are driven to move by rotating the screw, and the position of the second movable plate can be adjusted at this time. At this time, as the push spring recovers its deformation, the moving range of the discharge plate can be adjusted, and the amount of each discharge can be adjusted to achieve the purpose of adjusting the ratio. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the overall three-dimensional structure of the utility model;

[0014] Figure 2 This is a schematic diagram of the three-dimensional structure of the eccentric wheel of the utility model;

[0015] Figure 3 This is a schematic diagram of the three-dimensional cross-sectional structure of the blanking plate of the utility model;

[0016] Figure 4 This is a schematic diagram of the three-dimensional cross-sectional structure of the driving gear of the utility model;

[0017] Figure 5 This is a schematic diagram of the three-dimensional cross-sectional structure of the fixed sleeve of the utility model.

[0018] In the figure: 1. Mixing box; 2. Sealing cover; 3. Feed pipe; 4. Motor; 5. Rotating shaft; 6. Stirring blade; 7. Driving gear; 8. Driven gear; 9. Eccentric wheel; 10. First movable plate; 11. Unloading plate; 12. Rotating handle; 13. Fixed plate; 14. Rotating screw; 15. Fixed sleeve; 16. Second movable plate; 17. Push spring; 18. Receiver gear. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0020] See also Figure 1-Figure 5The utility model provides a technical solution: a mixing device for producing magnesium oxide pellets, comprising a mixing box 1, a sealing cover 2 is provided on the upper end thereof, and a feed pipe 3 is provided on the left and right sides of the sealing cover 2, a motor 4 is fixedly installed at the middle position of the upper end of the sealing cover 2, and the output end of the motor 4 is connected to the rotating shaft 5, and a stirring blade 6 is fixedly installed on the outer surface of the rotating shaft 5, a driving gear 7 is fixedly installed on the output end of the motor 4, and a driven gear 8 is meshed with the left and right sides of the driving gear 7, and an offset gear is coaxially installed on the upper end of the driven gear 8. The eccentric wheel 9 is provided with a first movable plate 10 on the side thereof, and a blanking plate 11 is fixedly mounted on the first movable plate 10, and the blanking plate 11 is tightly fitted with the feed pipe 3. Two driven gears 8 are symmetrically arranged about the center of the driving gear 7, and the diameters and the numbers of teeth of the driving gear 7 and the driven gear 8 are set to be equal. The eccentric wheel 9 is composed of two semicircular plate structures, and two eccentric wheels 9 are symmetrically arranged about the center of the driving gear 7. The eccentric wheel 9 and the sealing cover plate 2 constitute a rotating mechanism, and the outer surface of the eccentric wheel 9 is set to be smooth.

[0021] When the raw materials need to be mixed, the feed pipe 3 is connected to the raw material storage box (the raw material storage box is arranged at the upper end of the feed pipe 3, that is, the raw materials in the raw material storage box can enter the mixing box 1 through the feed pipe 3), and the motor 4 starts to work. Because the output end of the motor 4 is connected to the rotating shaft 5, and the outer surface of the rotating shaft 5 is fixedly installed with a stirring blade 6, the stirring blade 6 starts to rotate. As the stirring blade 6 rotates, the raw materials in the mixing box 1 can be stirred and mixed. Because the output end of the motor 4 is connected to the driving gear 7, the driving gear 7 starts to rotate. Because the driving gear 7 and the driven gear 8 are meshed with each other, the driven gear 8 starts to rotate. The wheel 8 is coaxially mounted with an eccentric wheel 9, and the eccentric wheel 9 starts to rotate at this time, that is, the eccentric wheel 9 is no longer in contact with the first movable plate 10, and under the action of the push spring 17 restoring the deformation, the push spring 17 starts to push the first movable plate 10 to move in the direction away from the feed pipe 3. Because the first movable plate 10 is fixedly mounted with a blanking plate 11, the blanking plate 11 starts to move at this time, and the raw materials can be unloaded. As the eccentric wheel 9 continues to rotate, the eccentric wheel 9 is again in contact with the first movable plate 10, and the blanking plate 11 starts to move in the direction close to the feed pipe 3, and the push spring 17 fixedly mounted on the first movable plate 10 begins to be squeezed and deformed, thereby realizing intermittent automatic unloading of raw materials.

[0022] A fixed plate 13 is symmetrically installed on the outer surface of the feed tube 3, and a rotating screw 14 is rotatably installed on the fixed plate 13, and the external thread of the rotating screw 14 is connected to a fixed sleeve 15, and a second movable plate 16 is fixedly installed on the fixed sleeve 15, and the second movable plate 16 forms a sliding connection with the outer surface of the blanking plate 11, a push spring 17 is fixedly installed on the second movable plate 16, and the push spring 17 is fixedly installed on the first movable plate 10, a rotating handle 12 is rotatably installed on the outer surface of the feed tube 3, and a receiving gear 18 is meshed with the side of the rotating handle 12, and the receiving gear 18 is fixedly installed on the rotating screw 14.

[0023] When the raw material ratio needs to be adjusted, the rotating handle 12 is turned. Because the rotating handle 12 is engaged with the receiving gear teeth 18, the receiving gear teeth 18 begin to rotate. Because the receiving gear teeth 18 are connected to the rotating screw 14, the rotating screw 14 begins to rotate. Because the rotating screw 14 is threadedly connected to the fixed sleeve 15, the fixed sleeve 15 begins to move. The fixed sleeve 15 is fixedly mounted on the second movable plate 16. At this time, the second movable plate 16 begins to slide along the outer surface of the blanking plate 11, and the distance between the second movable plate 16 and the first movable plate 10 can be adjusted. When the first movable plate 10 is not squeezed, the moving distance of the first movable plate 10 can be adjusted when the push spring 17 recovers its deformation, that is, the moving distance of the blanking plate 11 also begins to change, and the amount of each material discharged can be adjusted to achieve the purpose of changing the ratio.

[0024] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A mixing device for producing magnesium oxide pellets, comprising a mixing box (1), the upper end of which is provided with a sealing cover plate (2), and feeding pipes (3) are provided on both sides of the sealing cover plate (2), characterized in that: Also includes: A motor (4) is fixedly mounted at the middle position of the upper end of the sealing cover plate (2), and the output end of the motor (4) is connected to the rotating shaft (5), and a stirring blade (6) is fixedly mounted on the outer surface of the rotating shaft (5). A driving gear (7) is fixedly mounted at the output end of the motor (4), and driven gears (8) are meshed on the left and right sides of the driving gear (7). An eccentric wheel (9) is coaxially mounted on the upper end of the driven gear (8), and a first movable plate (10) is fitted on the side of the eccentric wheel (9), and a blanking plate (11) is fixedly mounted on the first movable plate (10), and the blanking plate (11) is tightly fitted with the feed pipe (3).

2. The mixing device for producing magnesium oxide pellets according to claim 1, characterized in that: Two driven gears (8) are symmetrically arranged about the center of the driving gear (7), and the diameters and the number of teeth of the driving gear (7) and the driven gear (8) are equal.

3. The mixing device for producing magnesium oxide pellets according to claim 2, characterized in that: The eccentric wheel (9) is composed of two semicircular plate-shaped structures, and two eccentric wheels (9) are symmetrically arranged about the center of the driving gear (7). The eccentric wheel (9) and the sealing cover plate (2) form a rotating mechanism, and the outer surface of the eccentric wheel (9) is set to be smooth.

4. The mixing device for producing magnesium oxide pellets according to claim 1, characterized in that: A fixed plate (13) is symmetrically mounted on the outer surface of the feed pipe (3), a rotating screw (14) is rotatably mounted on the fixed plate (13), and a fixed sleeve (15) is externally threadedly connected to the rotating screw (14).

5. The mixing device for producing magnesium oxide pellets according to claim 4, characterized in that: A second movable plate (16) is fixedly mounted on the fixed sleeve (15), and the second movable plate (16) is in sliding connection with the outer surface of the blanking plate (11); a push spring (17) is fixedly mounted on the second movable plate (16), and the push spring (17) is fixedly mounted on the first movable plate (10).

6. The mixing device for producing magnesium oxide pellets according to claim 4, characterized in that: A rotating handle (12) is rotatably mounted on the outer surface of the feed pipe (3), and a receiving gear (18) is meshedly provided on the side of the rotating handle (12), and the receiving gear (18) is fixedly mounted on the rotating screw (14).

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