Vertical mill for slag powder production

Abstract

The utility model discloses a vertical mill for slag powder production, which comprises a base, a frame, a transmission device, a grinding shell, a rocker arm mechanism, a grinding roller mechanism, a grinding disc and a powder selecting structure, the frame is arranged on the base, the transmission device is arranged on the base and below the frame, the grinding shell is arranged on the frame, a feed port is arranged on the side wall of the grinding shell, and the rocker arm mechanism is arranged on the feed port. The rocker arm mechanism is installed on the machine frame and located outside the grinding shell, one end of the rocker arm mechanism penetrates through the grinding shell and extends into the grinding shell, the grinding roller mechanism is installed on the rocker arm mechanism, the rocker arm mechanism and the grinding roller mechanism are both of the mature prior art, and the grinding disc is rotationally arranged on the bottom wall in the grinding shell. The utility model relates to the technical field of slag powder production, and particularly provides a vertical mill for slag powder production, which can be used for cleaning blades on a cage type rotor and effectively preventing blockage at the same time.

Description

Technical Field

[0001] The utility model relates to the technical field of slag powder production, in particular to a vertical mill for slag powder production. Background Art

[0002] Slag powder is a powdered material made from industrial waste, ore or slag through grinding and processing, and is usually used as an additive for building materials. Vertical mill is a common slag powder grinding equipment. The material enters the grinding disc from the top and is continuously ground under the action of the drum. It has the advantages of high grinding efficiency, convenient operation and low energy consumption.

[0003] In the process of grinding and powder selection, the vertical mill grinds the slag powder through the cooperation of the rocker arm, grinding roller and grinding disc, and selects the powder through the powder selector. After long-term use, a large amount of dust will adhere to the surface of the blades on the cage rotor on the powder selector, which can easily affect the passage of mineral powder, reduce the powder selection efficiency of the powder selector, and even cause blockage. Utility Model Content

[0004] In view of the above situation, in order to remedy the above existing defects, the utility model provides a vertical mill for slag powder production which can clean the blades on the cage rotor and effectively prevent blockage.

[0005] The utility model provides the following technical solutions: The utility model proposes a vertical mill for slag powder production, comprising a base, a frame, a transmission device, a grinding shell, a rocker mechanism, a grinding roller mechanism, a grinding disc and a powder selection structure, wherein the frame is arranged on the base, the transmission device is arranged on the base and is located below the frame, the grinding shell is arranged on the frame, a feed port is arranged on the side wall of the grinding shell, the rocker mechanism is installed on the frame and is located outside the grinding shell, one end of the rocker mechanism passes through the grinding shell and extends to the inside, the grinding roller mechanism is installed on the rocker mechanism, the rocker mechanism and the grinding roller mechanism are both mature existing technologies and are not described in detail here, the grinding disc is rotatably arranged on the bottom wall inside the grinding shell, the grinding roller mechanism and the grinding disc cooperate to grind the slag powder, and the powder selection structure is arranged on the top of the grinding shell.

[0006] Furthermore, the powder selection structure includes a powder selection shell, a rotating motor, a rotating shaft, an annular bracket, rotor blades and a cleaning assembly. The powder selection shell is a barrel-shaped structure with a bulge in the middle. A discharge port is provided above the side wall of the powder selection shell. The powder selection shell is arranged at the top of the grinding shell and is connected to the grinding shell. The rotating motor is arranged at the top of the powder selection shell. The upper end of the rotating shaft is rotatably arranged on the top wall of the powder selection shell. The power output shaft of the rotating motor is connected to the rotating shaft. The annular bracket is rotatably arranged on the upper side wall of the powder selection shell. A fixing rod is connected between the annular bracket and the rotating shaft. The rotor blade is V-shaped, one end of the rotor blade is vertically arranged at the bottom of the annular bracket, and the other end of the rotor blade is connected to the bottom side wall of the rotating shaft. The rotor blades are evenly distributed in multiple groups with the central axis of the rotating shaft as the center. The cleaning assembly is arranged on the side wall of the powder selection shell.

[0007] Furthermore, the cleaning assembly includes an electric telescopic rod, a support column and a scraper. The side wall of the powder selection shell is provided with an installation box. The electric telescopic rod is arranged inside the installation box. The free end of the electric telescopic rod passes through the powder selection shell and extends to the interior. The support column is arranged on the free end of the electric telescopic rod. The scraper is arranged on the other end of the support column. The scraper is matched with the shape of the rotor blade.

[0008] Preferably, a uniform material distribution tray is provided at the bottom of the rotating shaft, the uniform material distribution tray is arranged in an umbrella-shaped structure, and a plurality of component material troughs are evenly distributed on the upper surface of the uniform material distribution tray.

[0009] Furthermore, the transmission device includes a driving motor, a reducer and a transmission shaft, the driving motor and the reducer are arranged on the base, the power output shaft of the driving motor is connected to the reducer, the upper end of the transmission shaft is arranged at the bottom of the grinding disc, and the lower end of the transmission shaft passes through the bottom wall of the grinding shell and is connected to the reducer.

[0010] Furthermore, four groups of mounting holes are arranged at the four corners of the base.

[0011] The utility model proposes a vertical mill for slag powder production, which adopts the above structure to achieve the following beneficial effects:

[0012] The transmission device, rocker mechanism, grinding roller mechanism and grinding disc are used to crush and grind the incoming slag powder. The powder selection structure discharges the slag powder that meets the grinding conditions. The rotor blades are V-shaped to increase the contact area with the powder and improve the grinding efficiency. The electric telescopic rod, support column and scraper can regularly scrape the surface of the rotor blades to prevent a large amount of dust from adhering to the blade surface, affecting the passage of the mineral powder and reducing the powder selection efficiency of the powder selector. The uniform distribution plate can evenly spread the mineral powder slag that does not meet the size and grind it repeatedly. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0014] Figure 1 This is a schematic diagram of the overall structure of a vertical mill for slag powder production proposed by the utility model;

[0015] Figure 2 This is a schematic diagram of the main structure of a vertical mill for slag powder production proposed by the utility model;

[0016] Figure 3 This is a schematic diagram of the internal structure of a vertical mill for slag powder production proposed by the utility model;

[0017] Figure 4 This is a schematic diagram of the rotating shaft, annular bracket and rotor blade structure of a vertical mill for slag powder production proposed by the utility model Figure 1 ;

[0018] Figure 5 This is a schematic diagram of the rotating shaft, annular bracket and rotor blade structure of a vertical mill for slag powder production proposed by the utility model Figure 2 .

[0019] Among them, 1. base, 2. frame, 3. transmission device, 4. grinding shell, 5. rocker mechanism, 6. grinding roller mechanism, 7. grinding disc, 8. powder selection structure, 9. feed inlet, 10. powder selection shell, 11. rotating motor, 12. rotating shaft, 13. annular bracket, 14. rotor blades, 15. cleaning component, 16. discharge port, 17. fixed rod, 18. electric telescopic rod, 19. support column, 20. scraper, 21. installation box, 22. uniform distribution plate, 23. distribution trough, 24. drive motor, 25. reducer, 26. transmission shaft. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in 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] It should be noted that the words "front", "rear", "left", "right", "up" and "down" used in the following description refer to directions in the drawings, and the words "inside" and "outside" refer to directions toward or away from the geometric center of a specific component, respectively.

[0022] like Figures 1 to 5 As shown, the technical solution adopted by the utility model is as follows: a vertical mill for slag powder production, including a base 1, a frame 2, a transmission device 3, a grinding shell 4, a rocker mechanism 5, a grinding roller mechanism 6, a grinding disc 7 and a powder selection structure 8, the frame 2 is arranged on the base 1, the transmission device 3 is arranged on the base 1 and is located below the frame 2, the grinding shell 4 is arranged on the frame 2, the side wall of the grinding shell 4 is provided with a feed port 9, the rocker mechanism 5 is installed on the frame 2 and is located outside the grinding shell 4, one end of the rocker mechanism 5 passes through the grinding shell 4 and extends to the inside, the grinding roller mechanism 6 is installed on the rocker mechanism 5, the rocker mechanism 5 and the grinding roller mechanism The structures 6 are all mature existing technologies and will not be described in detail here. The grinding disc 7 is rotatably arranged on the bottom wall inside the grinding shell 4. The grinding roller mechanism 6 and the grinding disc 7 cooperate to grind the slag powder. The powder selection structure 8 is arranged on the top of the grinding shell 4. The transmission device 3 includes a driving motor 24, a reducer 25 and a transmission shaft 26. The driving motor 24 and the reducer 25 are arranged on the base 1. The power output shaft of the driving motor 24 is connected to the reducer 25. The upper end of the transmission shaft 26 is arranged at the bottom of the grinding disc 7, and the lower end of the transmission shaft 26 passes through the bottom wall of the grinding shell 4 and is connected to the reducer 25. Four groups of mounting holes are evenly distributed at the four corners of the base 1.

[0023] like Figures 3 to 5 As shown, the powder selection structure 8 includes a powder selection shell 10, a rotating motor 11, a rotating shaft 12, an annular bracket 13, rotor blades 14 and a cleaning assembly 15. The powder selection shell 10 is a barrel-shaped structure with a convex middle portion. A discharge port 16 is provided above the side wall of the powder selection shell 10. The powder selection shell 10 is arranged at the top of the grinding shell 4 and is connected to the grinding shell 4. The rotating motor 11 is arranged at the top of the powder selection shell 10. The upper end of the rotating shaft 12 is rotatably arranged on the top wall of the powder selection shell 10. The power output shaft of the rotating motor 11 is connected to the rotating shaft 12. The annular bracket 13 is rotatably arranged on the upper side wall of the powder selection shell 10. A fixing rod 17 is connected between the annular bracket 13 and the rotating shaft 12. The rotor blade 14 is V-shaped. One end of the rotor blade 14 is vertically arranged at the bottom of the annular bracket 13. The rotor blade 14 The other end is connected to the side wall of the bottom of the rotating shaft 12, and the rotor blades 14 are evenly distributed with multiple groups around the central axis of the rotating shaft 12. The cleaning assembly 15 is arranged on the side wall of the powder selection housing 10. The cleaning assembly 15 includes an electric telescopic rod 18, a support column 19 and a scraper 20. The side wall of the powder selection housing 10 is provided with an installation box 21, and the electric telescopic rod 18 is arranged inside the installation box 21. The free end of the electric telescopic rod 18 penetrates the powder selection housing 10 and extends to the inside. The support column 19 is arranged on the free end of the electric telescopic rod 18, and the scraper 20 is arranged on the other end of the support column 19. The scraper 20 is matched with the shape of the rotor blade 14. A uniform material distribution tray 22 is provided at the bottom of the rotating shaft 12. The uniform material distribution tray 22 is an umbrella-shaped structure, and a plurality of groups of material troughs 23 are evenly distributed on the upper surface of the uniform material distribution tray 22.

[0024] During specific use, the slag powder is put into the grinding shell 4 through the feed port 9, the grinding disc 7 is driven to rotate by the transmission device 3, and the slag powder is fully ground in cooperation with the rocker mechanism 5 and the grinding roller mechanism 6, and the rotating motor 11 is started, thereby driving the rotating shaft 12, the annular bracket 13 and the rotor blades 14 to rotate, so as to carry out the powder selection operation, and the slag powder is discharged through the discharge port 16. The rotor blades 14 are of V-shaped structure to increase the contact area with the powder and improve the grinding efficiency. After long-term use, the support column 19 and the scraper 20 are driven to move by the electric telescopic rod 18, so that the surface of the rotor blade 14 is regularly scraped by the scraper 20 to prevent a large amount of dust from adhering to the blade surface, affecting the passage of the mineral powder, reducing the powder selection efficiency of the powder selector, and even causing blockage; the uniform distribution plate 22 provided can evenly sprinkle the mineral powder slag that does not meet the size and repeat the grinding.

[0025] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, material or apparatus including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, material or apparatus.

[0026] 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. A vertical mill for producing slag powder, characterized in that: It comprises a base, a frame, a transmission device, a grinding shell, a rocker mechanism, a grinding roller mechanism, a grinding disc and a powder selection structure, wherein the frame is arranged on the base, the transmission device is arranged on the base and is located below the frame, the grinding shell is arranged on the frame, a feeding port is arranged on the side wall of the grinding shell, the rocker mechanism is installed on the frame and is located outside the grinding shell, one end of the rocker mechanism passes through the grinding shell and extends to the inside, the grinding roller mechanism is installed on the rocker mechanism, the grinding disc is rotatably arranged on the inner bottom wall of the grinding shell, and the powder selection structure is arranged on the top of the grinding shell; The powder selection structure comprises a powder selection shell, a rotating motor, a rotating shaft, an annular bracket, rotor blades and a cleaning assembly, the powder selection shell is a barrel-shaped structure with a raised middle portion, a discharge port is arranged above the side wall of the powder selection shell, the powder selection shell is arranged at the top of the grinding shell and is communicated with the grinding shell, the rotating motor is arranged at the top of the powder selection shell, the upper end of the rotating shaft is rotatably arranged on the inner top wall of the powder selection shell, the power output shaft of the rotating motor is connected to the rotating shaft, the annular bracket is rotatably arranged on the upper side wall of the powder selection shell, a fixing rod is connected between the annular bracket and the rotating shaft, the rotor blade is V-shaped, one end of the rotor blade is vertically arranged at the bottom of the annular bracket, the other end of the rotor blade is connected to the bottom side wall of the rotating shaft, a plurality of groups of rotor blades are evenly distributed with the central axis of the rotating shaft as the center, and the cleaning assembly is arranged on the side wall of the powder selection shell; The cleaning assembly includes an electric telescopic rod, a support column and a scraper. The side wall of the powder selection shell is provided with an installation box. The electric telescopic rod is arranged inside the installation box. The free end of the electric telescopic rod passes through the powder selection shell and extends to the inside. The support column is arranged on the free end of the electric telescopic rod. The scraper is arranged on the other end of the support column. The scraper is matched with the shape of the rotor blade.

2. The vertical mill for producing slag powder according to claim 1, characterized in that: A uniform material distribution tray is provided at the bottom of the rotating shaft. The uniform material distribution tray is arranged in an umbrella-shaped structure, and a plurality of component material troughs are evenly distributed on the upper surface of the uniform material distribution tray.

3. The vertical mill for producing slag powder according to claim 2, characterized in that: The transmission device includes a driving motor, a reducer and a transmission shaft. The driving motor and the reducer are arranged on a base. The power output shaft of the driving motor is connected to the reducer. The upper end of the transmission shaft is arranged at the bottom of the grinding disc, and the lower end of the transmission shaft passes through the bottom wall of the grinding shell and is connected to the reducer.

4. The vertical mill for producing slag powder according to claim 3, characterized in that: Four groups of mounting holes are arranged at the four corners of the base.

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