Vertical mill device

Abstract

The utility model relates to the technical field of vertical mills, and discloses a vertical mill device. The vertical mill device comprises a supporting frame, a shell is fixedly installed above the supporting frame, a driving shaft is installed in the center of the shell in a penetrating and inserting mode, a driving motor is fixedly installed at the lower end of the driving shaft, a connecting plate is fixedly installed on the outer side of the driving shaft, and a baffle is fixedly installed above the connecting plate; a silicone tube is installed on the outer side of the shell in a penetrating mode, a limiting frame is connected with limiting rings on the front side and the rear side through fixing bolts, the vertical faces of the front side and the rear side of the inner wall of the limiting frame make contact with connecting bolts and nuts correspondingly, and in this way, the positions of the connecting bolts and the nuts can be limited; meanwhile, the silicone tube can absorb part of force generated by vibration, the vibration strength of the limiting ring is reduced, and before the limiting frames fall off from the upper portion of the limiting ring, the relative positions of the limiting frames cannot be changed due to vibration, so that air leakage at the joint between the shell and the connecting pipe is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of vertical mills, in particular to a vertical mill device. Background Art

[0002] Vertical mill is a grinding equipment that integrates fine crushing, drying, grinding, powder selection and conveying. It is widely used for grinding and ultra-fine grinding of various solid materials in industries such as slag, building materials, electricity, metallurgy, chemical industry, non-metallic minerals, etc. In cement production, the slag coarse material needs to be put into the vertical mill, and the slag coarse material is ground into slag fine material through the grinding disc and grinding roller in the vertical mill.

[0003] The existing Chinese utility model patent with reference announcement number CN219441896U discloses a vertical mill device, including a vertical mill housing, a grinding disc and a grinding roller, wherein the grinding disc is rotatably arranged in the vertical mill housing, and the grinding roller is rotatably arranged above the grinding disc. A scraper assembly is arranged in the vertical mill housing, and the scraper assembly is arranged on the vertical mill housing through a connecting rod. The scraper assembly abuts against the grinding disc and is used to scrape off the material on the grinding disc. The scraper assembly is connected to an air blowing pipe for blowing air to the grinding disc. In the utility model, slag powder is ground by the grinding disc and the grinding roller. During the grinding process, a part of the slag powder will adhere to the grinding disc. The scraper assembly can scrape off the powder adhered to the grinding disc to ensure the grinding effect.

[0004] After being used for a period of time, cracks may occur between the grinding roller and the shell of the existing vertical mill structure due to friction, affecting the sealing of the shell. At the same time, the shell and the base of the existing vertical mill structure are fastened with bolts and nuts. When the vertical mill is working normally, vibrations will be generated, which may cause the bolts and nuts to loosen and affect the sealing between the shell and the base, causing air leakage in the device. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] In view of the deficiencies in the prior art, the utility model provides a vertical mill device, which has the advantages of avoiding cracks in the shell and avoiding air leakage between the shell and the base, thereby solving the above-mentioned technical problems.

[0007] (II) Technical solution

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a vertical mill device, comprising: a support frame, a shell is fixedly installed on the top of the support frame, a driving shaft is inserted and installed in the center of the shell, a driving motor is fixedly installed on the lower end of the driving shaft, a connecting plate is fixedly installed on the outer side of the driving shaft, a baffle is fixedly installed on the top of the connecting plate, a silicone tube is inserted and installed on the outer side of the shell, a limiting ring is movably installed on the front side of the silicone tube, a connecting bolt is inserted and installed on the left side of the limiting ring, a nut is movably installed on the end of the connecting bolt, and the limiting A limit frame is installed in an inlaid manner above the positioning ring, a fixing bolt is installed through the upper end of the limit frame, a connecting pipe is movably installed on the upper end of the shell, a ventilation pipe is fixedly installed inside the connecting pipe, a grinding disc is fixedly installed inside the ventilation pipe, a connecting bearing is installed in an inlaid manner on the upper end of the connecting pipe, a limit frame is fixedly installed at the center of the connecting bearing, a fixed shaft is fixedly installed inside the limit frame, a limiting block is fixedly installed on the inner side of the fixed shaft, and a grinding roller is installed through the outer side of the fixed shaft; the connecting bolts and nuts can limit the relative positions between the limit rings.

[0009] As a preferred technical solution of the utility model, the drive shaft and the housing are rotatably connected, and the bottom end of the drive shaft is fixedly connected to the rotating shaft of the drive motor by means of an interlaced installation; the drive shaft can drive the connecting plate to rotate.

[0010] As a preferred technical solution of the utility model, the baffle is installed in a ring shape above the connecting plate at an equal angle based on the center of the connecting plate, the connecting plate is fixedly connected to the drive shaft, and the bottom surface of the connecting plate does not contact the bottom surface of the inner cavity of the shell; the baffle can generate airflow when rotating.

[0011] As the preferred technical solution of the utility model, the limit ring is installed on the front and rear sides of the upper and lower ends of the silicone tube in a mirror-symmetrical manner with the center of the silicone tube as the reference, the connecting bolts and nuts are embedded in the interior of the silicone tube, and the limit frame is connected to the limit frames on the front and rear sides by fixing bolts; the limit ring can facilitate the connection between the silicone tube and the outer shell and the connecting tube.

[0012] As a preferred technical solution of the utility model, the connecting pipe is connected to the housing through a silicone tube, and the connecting pipe is fixedly connected to the silicone tube through a limiting ring; the connecting pipe can facilitate limiting the position of the ventilation pipe.

[0013] As a preferred technical solution of the utility model, the top end of the ventilation pipe is provided with an opening structure in a ring shape at equal angles based on the center of the ventilation pipe, the grinding disc is rotationally connected to the driving shaft, and the top surface of the grinding disc is a conical structure; the ventilation pipe can limit the position of the grinding disc.

[0014] As the preferred technical solution of the utility model, the limit frame is rotatably connected with the connecting pipe by connecting the bearing, the bottom end of the limit block is fixedly connected with the driving shaft, and the grinding roller is rotatably connected with the fixed shaft; the limit block can drive the fixed shaft to rotate.

[0015] Compared with the prior art, the utility model provides a vertical mill device, which has the following beneficial effects:

[0016] 1. The utility model sets a silicone tube, which connects the outer shell and the connecting tube at the outer sides of the outer shell and the connecting tube, and forms a connection state with the outer shell and the connecting tube through a limit ring. The limit rings are connected through connecting bolts and nuts. The limit frame is connected to the limit rings on the front and rear sides through fixing bolts. The front and rear facades of the inner wall of the limit frame are in contact with the connecting bolts and nuts respectively. This method can limit the position of the connecting bolts and nuts. At the same time, the silicone tube can absorb part of the force generated by the vibration and reduce the vibration intensity of the limit ring. Before the limit frame falls off from above the limit ring, the relative position between the limit frames will not change due to vibration, so as to avoid air leakage at the joint between the outer shell and the connecting tube.

[0017] 2. The utility model sets a limit frame, which forms a rotational connection between the limit frame and the connecting pipe through a connecting bearing. At the same time, the inner side of the limit frame forms a fixed connection with the limit block through a fixed shaft, and the bottom end of the limit block forms a fixed connection with the driving shaft. When the driving motor drives the driving shaft to rotate, the driving shaft can drive the limit block, the fixed shaft and the limit frame to rotate. This method can limit the position of the grinding roller and the limit frame, thereby avoiding friction between the grinding roller, the limit frame and the connecting pipe, so as to avoid cracks in the connecting pipe due to friction. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the cross-sectional structure of the shell of the utility model;

[0020] Figure 3 This is a schematic diagram of the connection structure between the limit ring and the limit frame of the utility model;

[0021] Figure 4 This is a schematic diagram of the structure of the connecting pipe and the ventilation pipe of the utility model;

[0022] Among them: 1. Support frame; 11. Shell; 12. Drive shaft; 13. Drive motor; 14. Connecting plate; 15. Baffle; 16. Silicone tube; 17. Limiting ring; 18. Connecting bolt; 19. Nut; 110. Limiting frame; 111. Fixing bolt; 2. Connecting pipe; 21. Ventilation pipe; 22. Grinding disc; 23. Connecting bearing; 24. Limiting frame; 25. Fixed shaft; 26. Limiting block; 27. Grinding roller. DETAILED DESCRIPTION

[0023] The following is a further detailed description of the implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

[0024] In the description of the present invention, unless otherwise specified, "multiple" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third" and the like are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0025] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0026] See also Figure 1 - Figure 4 In this embodiment, a vertical mill device includes: a support frame 1, a shell 11 is fixedly installed on the top of the support frame 1, a driving shaft 12 is inserted and installed in the center of the shell 11, a driving motor 13 is fixedly installed on the lower end of the driving shaft 12, a connecting plate 14 is fixedly installed on the outer side of the driving shaft 12, a baffle 15 is fixedly installed on the top of the connecting plate 14, a silicone tube 16 is inserted and installed on the outer side of the shell 11, a limiting ring 17 is movably installed on the front side of the silicone tube 16, a connecting bolt 18 is inserted and installed on the left side of the limiting ring 17, a nut 19 is movably installed on the end of the connecting bolt 18, a limiting frame 110 is embedded and installed on the top of the limiting ring 17, and a fixing bolt 111 is inserted and installed on the upper end of the limiting frame 110.

[0027] The driving shaft 12 is rotatably connected to the housing 11 , and the bottom end of the driving shaft 12 is fixedly connected to the rotating shaft of the driving motor 13 by means of insertion installation.

[0028] The baffle 15 is installed in a ring shape above the connecting plate 14 at an equal angle based on the center of the connecting plate 14 . The connecting plate 14 is fixedly connected to the driving shaft 12 , and the bottom surface of the connecting plate 14 does not contact the bottom surface of the inner cavity of the shell 11 .

[0029] The limiting ring 17 is installed on the front and rear sides of the upper and lower ends of the silicone tube 16 with mirror symmetry based on the center of the silicone tube 16. The connecting bolts 18 and nuts 19 are embedded in the inside of the silicone tube 16. The limiting frame 110 is connected to the limiting frames 110 on the front and rear sides by fixing bolts 111.

[0030] Specifically, the support frame 1 can support the outer shell 11, the outer shell 11 can facilitate limiting the air position, the driving shaft 12 can drive the connecting plate 14 to rotate, the driving motor 13 can drive the driving shaft 12 to rotate, the connecting plate 14 can drive the baffle 15 to rotate, and the baffle 15 can generate airflow when rotating, the silicone tube 16 can facilitate the connection between the outer shell 11 and the connecting pipe 2, the limiting ring 17 can facilitate the connection between the silicone tube 16 and the outer shell 11 and the connecting pipe 2, the connecting bolt 18 and the nut 19 can limit the relative position between the limiting ring 17, the limiting frame 110 can limit the relative position between the connecting bolt 18, the nut 19 and the limiting ring 17, and the fixing bolt 111 can limit the relative position between the limiting frame 110 and the limiting ring 17.

[0031] A connecting pipe 2 is movably installed on the upper end of the outer shell 11, a ventilation pipe 21 is fixedly installed inside the connecting pipe 2, a grinding disc 22 is fixedly installed inside the ventilation pipe 21, a connecting bearing 23 is embedded and installed on the upper end of the connecting pipe 2, a limiting frame 24 is fixedly installed at the center of the connecting bearing 23, a fixed shaft 25 is fixedly installed inside the limiting frame 24, a limiting block 26 is fixedly installed on the inner side of the fixed shaft 25, and a grinding roller 27 is inserted and installed on the outer side of the fixed shaft 25.

[0032] The connecting tube 2 is connected to the housing 11 through the silicone tube 16 , and the connecting tube 2 is fixedly connected to the silicone tube 16 through a limiting ring 17 .

[0033] The top of the ventilation pipe 21 is provided with an opening structure in a ring shape at equal angles with the center of the ventilation pipe 21 as a reference. The grinding disc 22 is rotatably connected to the driving shaft 12, and the top surface of the grinding disc 22 is a conical structure.

[0034] The limiting frame 24 is rotatably connected to the connecting pipe 2 via the connecting bearing 23 , the bottom end of the limiting block 26 is fixedly connected to the driving shaft 12 , and the grinding roller 27 is rotatably connected to the fixed shaft 25 .

[0035] Specifically, the connecting pipe 2 can facilitate limiting the position of the ventilation pipe 21, the ventilation pipe 21 can limit the position of the grinding disc 22, the grinding disc 22 can grind the material together with the grinding roller 27, the connecting bearing 23 can facilitate the rotation of the limit frame 24, the limit frame 24 can limit the position of the end of the fixed shaft 25, the fixed shaft 25 can limit the position of the grinding roller 27, and the limit block 26 can drive the fixed shaft 25 to rotate.

[0036] When in use, the silicone tube 16 connects the outer shell 11 and the connecting tube 2 at the outer sides of the outer shell 11 and the connecting tube 2, and is connected to the outer shell 11 and the connecting tube 2 through the limiting ring 17. The limiting rings 17 are connected through the connecting bolts 18 and the nuts 19. The limiting frame 110 is connected to the limiting rings 17 on the front and rear sides through the fixing bolts 111. The front and rear side elevations of the inner wall of the limiting frame 110 are in contact with the connecting bolts 18 and the nuts 19 respectively. This method can limit the position of the connecting bolts 18 and the nuts 19. At the same time, the silicone tube 16 can absorb part of the force generated by the vibration and reduce the vibration intensity of the limiting ring 17. Before the limiting frame 110 falls off from above the limiting ring 17, the limiting frame 1 The relative position between 10 will not change due to vibration to avoid air leakage at the joint between the shell 11 and the connecting pipe 2. The limit frame 24 is rotatably connected to the connecting pipe 2 through the connecting bearing 23. At the same time, the inner side of the limit frame 24 is fixedly connected to the limit block 26 through the fixed shaft 25, and the bottom end of the limit block 26 is fixedly connected to the driving shaft 12. When the driving motor 13 drives the driving shaft 12 to rotate, the driving shaft 12 can drive the limit block 26, the fixed shaft 25 and the limit frame 24 to rotate. This method can limit the position of the grinding roller 27 and the limit frame 24, thereby avoiding friction between the grinding roller 27, the limit frame 24 and the connecting pipe 2, so as to avoid cracks in the connecting pipe 2 due to friction.

[0037] Although the 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. A vertical mill device, characterized in that: include: A support frame (1), a housing (11) is fixedly installed on the upper part of the support frame (1), a driving shaft (12) is inserted and installed in the center of the housing (11), a driving motor (13) is fixedly installed at the lower end of the driving shaft (12), a connecting plate (14) is fixedly installed on the outer side of the driving shaft (12), a baffle (15) is fixedly installed on the upper part of the connecting plate (14), a silicone tube (16) is inserted and installed on the outer side of the housing (11), a limiting ring (17) is movably installed on the front side of the silicone tube (16), a connecting bolt (18) is inserted and installed on the left side of the limiting ring (17), a nut (19) is movably installed at the end of the connecting bolt (18), and the limiting ring (17) is fixedly installed on the upper part of the connecting plate (14). A limit frame (110) is mounted on the upper part, a fixing bolt (111) is inserted and installed on the upper end of the limit frame (110), a connecting pipe (2) is movably mounted on the upper end of the housing (11), a ventilation pipe (21) is fixedly mounted inside the connecting pipe (2), a grinding disc (22) is fixedly mounted inside the ventilation pipe (21), a connecting bearing (23) is mounted on the upper end of the connecting pipe (2), a limit frame (24) is fixedly mounted at the center of the connecting bearing (23), a fixed shaft (25) is fixedly mounted inside the limit frame (24), a limit block (26) is fixedly mounted on the inner side of the fixed shaft (25), and a grinding roller (27) is inserted and installed on the outer side of the fixed shaft (25).

2. A vertical mill device according to claim 1, characterized in that: The driving shaft (12) and the housing (11) are rotatably connected, and the bottom end of the driving shaft (12) is fixedly connected to the rotating shaft of the driving motor (13) by means of insertion installation.

3. A vertical mill device according to claim 1, characterized in that: The baffle (15) is installed in a ring shape above the connecting plate (14) at an equal angle with the center of the connecting plate (14) as a reference, the connecting plate (14) is fixedly connected to the drive shaft (12), and the bottom surface of the connecting plate (14) does not contact the bottom surface of the inner cavity of the shell (11).

4. A vertical mill device according to claim 1, characterized in that: The limiting ring (17) is installed on the front and rear sides of the upper and lower ends of the silicone tube (16) in a mirror-symmetrical manner with the center of the silicone tube (16) as a reference, the connecting bolt (18) and the nut (19) are embedded in the interior of the silicone tube (16), and the limiting frame (110) is connected to the limiting frames (110) on the front and rear sides through fixing bolts (111).

5. A vertical mill device according to claim 1, characterized in that: The connecting tube (2) is in communication with the housing (11) via a silicone tube (16), and the connecting tube (2) is fixedly connected to the silicone tube (16) via a limiting ring (17).

6. A vertical mill device according to claim 1, characterized in that: The top end of the ventilation pipe (21) is provided with an opening structure in a ring shape at equal angles with the center of the ventilation pipe (21) as a reference, the grinding disc (22) is rotationally connected to the drive shaft (12), and the top surface of the grinding disc (22) is a conical structure.

7. A vertical mill device according to claim 1, characterized in that: The limiting frame (24) is rotatably connected to the connecting pipe (2) via the connecting bearing (23), the bottom end of the limiting block (26) is fixedly connected to the driving shaft (12), and the grinding roller (27) is rotatably connected to the fixed shaft (25).

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