CN218840497U - Feeding device for vertical mill - Google Patents

Abstract

The utility model discloses a feeding device for a vertical mill, which belongs to the technical field of cement production and processing, and comprises a storage barrel for feeding and a delivery box fixed on the surface of the storage barrel. The surface of the storage barrel is fixed A positioning plate is connected, and a protective box is fixedly connected to the surface of the positioning plate, a rotating motor is installed on the surface of the protective box, and a rotating shaft is fixedly connected to the bottom of the output shaft of the rotating motor, and both sides of the rotating shaft are A plurality of stirring paddles are fixedly connected, and the outer walls on both sides of the rotating shaft are fixedly connected with a fixed sleeve, and one side of the fixed sleeve is provided with a scraper 2 for cleaning the inner wall of the storage tank. A conveying shaft is rotatably connected to the inside of the box, and a plurality of conveying blades are fixedly connected to the outer wall of the conveying shaft. The feeding device for the vertical mill can feed materials in an orderly manner, avoiding clogging caused by excessive material accumulation inside the storage tank, and at the same time facilitates automatic cleaning of the inner wall of the storage tank.

Description

Feeding device for vertical mill

technical field

The utility model belongs to the technical field of cement production and processing, in particular to a feeding device for a vertical mill.

Background technique

Cement vertical mill is mainly used for the grinding production of cement clinker. In recent years, with the improvement of vertical mill design and manufacturing technology and the innovation of grinding process, vertical mill has been successfully applied abroad as the final cement grinding equipment. , the specific working method is to transport the cement clinker to the inside of the vertical mill, and the cement clinker will be ground through the vertical mill, and when the cement clinker is transported to the inside of the vertical mill, a feeding device is required , to ensure that the material can smoothly enter the interior of the vertical mill for processing.

At present, when feeding the vertical mill, due to the characteristics of the cement clinker particles, the material often accumulates at the discharge port, resulting in the phenomenon that the material cannot be discharged smoothly, which in turn affects the cement production efficiency. Refer to the Chinese authorized patent: 一A kind of improved cement vertical mill feeding device, authorized announcement number: CN217221870U, its background technology has also proposed similar problem.

Utility model content

The purpose of this utility model is to provide a feeding device for a vertical mill, so as to solve the problem in the above-mentioned background technology that the material is accumulated at the discharge port, causing the material to be unable to be discharged smoothly.

In order to achieve the above object, the utility model provides the following technical solutions: a feeding device for a vertical mill, including a storage tank for feeding and a delivery box fixed on the surface of the storage tank, the surface of the storage tank A positioning plate is fixedly connected, and a protective box is fixedly connected to the surface of the positioning plate, a rotating motor is installed on the surface of the protective box, and a rotating shaft is fixedly connected to the bottom of the output shaft of the rotating motor, and the two sides of the rotating shaft Both are fixedly connected with a plurality of stirring paddles, and the outer walls on both sides of the rotating shaft are fixedly connected with a fixed sleeve, and one side of the fixed sleeve is provided with a scraper 2 for cleaning the inner wall of the storage tank. A conveying shaft is rotatably connected to the conveying box, and a plurality of conveying blades are fixedly connected to the outer wall of the conveying shaft.

In a further embodiment, a driving bevel gear is fixedly connected to the outer wall of the upper half of the rotating shaft, and a driven bevel gear meshing with the driving bevel gear is fixedly connected to the end surface of the delivery shaft.

In a further embodiment, two connecting rods are symmetrically fixed on the outer wall of the lower half of the rotating shaft, and the outer wall of the connecting rod away from the rotating shaft is fixedly connected with a scraper for cleaning the inner wall of the storage tank one.

In a further embodiment, a support spring is provided inside the fixed sleeve, a sliding block sliding in the fixed sleeve is provided on one side of the support spring, and the side of the sliding block away from the support spring is fixedly connected with a The support column that the scraper two is fixedly connected.

In a further embodiment, a feed hopper is fixedly connected to the surface of the delivery box, and a support rod for supporting the delivery box is fixedly connected between the storage tank and the delivery box.

In a further embodiment, a discharge port is opened at the bottom of the storage tank, and a discharge pipe is fixedly connected to the discharge port of the storage tank.

Technical effect and advantage of the present utility model:

The feeding device of the vertical mill drives the rotating shaft and the driving bevel gear to rotate through the rotating motor, and the driving bevel gear drives the conveying shaft and conveying blades to rotate through the driven bevel gear, which can automatically convey the materials in an orderly manner, avoiding disposable materials Excessive conveying causes material accumulation, and at the same time, the rotating shaft drives the stirring paddle to rotate, which can stir the materials in the storage tank, further avoiding the blockage caused by material accumulation; the rotating shaft is driven by the rotating motor to drive the connecting rod and the fixed sleeve at the same time Rotate, so that it can drive scraper 1 and scraper 2 to rotate on the inner wall of the storage barrel, effectively clean the inner wall of the storage barrel, and avoid the material from adhering to the inner wall of the storage barrel, resulting in material waste. The vertical mill is used The feeding device can feed materials in an orderly manner, avoiding clogging caused by excessive accumulation of materials inside the storage tank, and at the same time facilitates automatic cleaning of the inner wall of the storage tank.

Description of drawings

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

Fig. 2 is a sectional view of the utility model;

Fig. 3 is the enlarged view of place A in Fig. 2 of the present utility model;

Fig. 4 is an enlarged view of B in Fig. 2 of the present invention.

In the figure: 1, storage barrel; 11, positioning plate; 12, protective box; 13, rotating motor; 14, rotating shaft; 15, stirring paddle; 16, driving bevel gear; 17, connecting rod; 18, scraper one ; 19, discharge pipe; 2, fixed sleeve; 21, support spring; 22, sliding block; 23, support column; 24, scraper two; 3, delivery box; 31, feed hopper; 32, delivery shaft; 33, conveying blade; 34, driven bevel gear; 35, support rod.

Detailed ways

In the following description, numerous specific details are given in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced without one or more of these details. In other examples, in order to avoid confusion with the present invention, some technical features known in the art are not described.

In order to feed materials in an orderly manner and avoid clogging caused by excessive material accumulation inside the storage tank 1, as shown in Figure 1, Figure 2 and Figure 3, the surface of the storage tank 1 is welded and fixed with a positioning plate 11, and the surface of the positioning plate 11 The protective box 12 is welded and fixed, and the surface of the protective box 12 is equipped with a rotating motor 13 through bolts. The bottom of the output shaft of the rotating motor 13 is fixedly connected with a rotating shaft 14 through a coupling, and both sides of the rotating shaft 14 are welded and fixed. A plurality of stirring paddles 15, the outer wall of the upper half of the rotating shaft 14 is welded and fixed with a driving bevel gear 16, the bottom of the storage tank 1 is provided with a discharge port, and a discharge pipe 19 is welded and fixed in the discharge port of the storage tank 1 , a control valve is installed on the discharge pipe 19;

The surface of the storage tank 1 is welded and fixed with the delivery box 3 welded and fixed with the protective box 12, the surface of the delivery box 3 is welded and fixed with a feed hopper 31, and a welding connection between the storage tube 1 and the delivery box 3 is used for conveying. The support rod 35 for supporting the box 3 ensures the stability of the delivery box 3. The bottom of the delivery box 3 is provided with a material guide port, and a cylindrical inner cavity is provided in the delivery box 3, and the delivery box 3 is rotatably connected by a welded bearing. There is a conveying shaft 32, and the outer wall of the conveying shaft 32 is welded and fixed with a plurality of conveying blades 33, the conveying shaft 32 extends into the protective box 12, and the end face of the conveying shaft 32 located in the protective box 12 is welded and fixed with the driving bevel gear 16. The meshing driven bevel gear 34 drives the rotating shaft 14 and the driving bevel gear 16 to rotate through the rotating motor 13, and the driving bevel gear 16 drives the conveying shaft 32 and the conveying blade 33 to rotate through the driven bevel gear 34, which can automatically arrange the materials in an orderly manner. Conveying, avoiding material accumulation caused by too much one-time material conveying, at the same time, the rotating shaft 14 drives the stirring paddle 15 to rotate, which can stir the materials in the storage barrel 1, further avoiding the blockage caused by material accumulation.

In order to facilitate the automatic cleaning of the inner wall of the storage tank 1, as shown in Figure 1, Figure 2 and Figure 4, two connecting rods 17 are symmetrically welded on the outer wall of the lower half of the rotating shaft 14, and the connecting rods 17 are far away from the position of the rotating shaft 14. One side of the outer wall is welded and fixed with a scraper 18 for cleaning the inner wall of the storage tank 1, and the outer walls of both sides of the rotating shaft 14 are welded and fixed with a fixed sleeve 2, and the fixed sleeve 2 is provided with a support spring 21 to support One side of the spring 21 is provided with a sliding block 22 that slides in the fixed sleeve 2, and the side of the sliding block 22 away from the supporting spring 21 is welded with a fixed support column 23, and the end surface of the support column 23 located at the outside of the fixed sleeve 2 is welded and fixed with The second scraper 24 and the support spring 21 can support the sliding block 22, so that the second scraper 24 is always attached to the inner wall of the storage tank 1, and the rotating shaft 14 is driven by the rotating motor 13 to rotate, so that the connecting rod 17 and the connecting rod 17 can be driven simultaneously. The fixed sleeve 2 rotates, thereby being able to drive the first scraper 18 and the second scraper 24 to rotate on the inner wall of the storage barrel 1, effectively cleaning the inner wall of the storage barrel 1, and preventing the material from adhering to the inner wall of the storage barrel 1. Cause material waste.

working principle:

The feeding device for the vertical mill, when in use, the external conveying equipment conveys the cement material into the conveying box 3 through the feeding hopper 31, starts the rotating motor 13, and the rotating motor 13 drives the rotating shaft 14 and the driving bevel gear 16 to rotate , the driving bevel gear 16 drives the conveying shaft 32 and the conveying blade 33 to rotate through the driven bevel gear 34, and the conveying blade 33 pushes the cement material to move. The materials are transported in an orderly manner to avoid material accumulation caused by excessive material transport at one time. At the same time, the rotating shaft 14 drives the stirring paddle 15 to rotate to stir the materials in the storage tank 1, further avoiding the blockage caused by material accumulation, and finally through the discharge Pipe 19 conveys the material to the vertical mill to complete the feeding operation of the opposite vertical mill;

During the material mixing process, the rotating motor 13 drives the rotating shaft 14 to rotate, and at the same time drives the connecting rod 17 and the fixed sleeve 2 to rotate, thereby driving the first scraper 18 and the second scraper 24 to rotate on the inner wall of the storage barrel 1, and the supporting spring 21 can support the sliding block 22, so that the second scraper 24 is always attached to the inner wall of the storage tank 1, and the inner wall of the storage tank 1 is effectively cleaned by the first scraper 18 and the second scraper 24 to avoid material sticking Attached to the inner wall of the storage tank 1, resulting in material waste.

Finally, it should be noted that: the above description is only the preferred content of the present utility model, and is not intended to limit the present utility model.

Claims (6)

1. A feeding device for a vertical mill, comprising a storage cylinder (1) for feeding and a delivery box (3) fixed on the surface of the storage cylinder (1), characterized in that: the storage cylinder The surface of (1) is fixedly connected with a positioning plate (11), and the surface of the positioning plate (11) is fixedly connected with a protective box (12), and a rotating motor (13) is installed on the surface of the protective box (12). A rotating shaft (14) is fixedly connected to the bottom of the output shaft of the rotating motor (13), and a plurality of stirring paddles (15) are fixedly connected to both sides of the rotating shaft (14), and both sides of the rotating shaft (14) The outer walls are fixedly connected with a fixed sleeve (2), and one side of the fixed sleeve (2) is provided with a second scraper (24) for cleaning the inner wall of the storage tank (1), and the delivery box ( 3) A conveying shaft (32) is connected to the inner rotation, and a plurality of conveying blades (33) are fixedly connected to the outer wall of the conveying shaft (32). 2. A feeding device for a vertical mill according to claim 1, characterized in that: the outer wall of the upper half of the rotating shaft (14) is fixedly connected with a driving bevel gear (16), and the conveying shaft (32 ) is fixedly connected with a driven bevel gear (34) meshing with the driving bevel gear (16). 3. A feeding device for a vertical mill according to claim 2, characterized in that two connecting rods (17) are symmetrically fixed to the outer wall of the lower half of the rotating shaft (14), and the connecting rods (17) The outer wall of the side away from the rotating shaft (14) is fixedly connected with a scraper one (18) for cleaning the inner wall of the storage tank (1). 4. A feeding device for a vertical mill according to claim 1, characterized in that: a support spring (21) is provided inside the fixed sleeve (2), and one side of the support spring (21) There is a sliding block (22) sliding in the fixed sleeve (2), and the side of the sliding block (22) away from the supporting spring (21) is fixedly connected with the supporting column (23) fixedly connected with the second scraper (24). ). 5. A feeding device for a vertical mill according to claim 1, characterized in that: a feeding hopper (31) is fixedly connected to the surface of the conveying box (3), and the storage barrel (1) is connected to A support rod (35) for supporting the delivery box (3) is fixedly connected between the delivery boxes (3). 6. A feeding device for a vertical mill according to claim 5, characterized in that: the bottom of the storage tank (1) is provided with a discharge port, and the discharge port of the storage tank (1) A discharge pipe (19) is fixedly connected.

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