Vertical flour mill
By introducing an anti-sticking mechanism consisting of a connecting frame, a support base, and a dust removal brush into the vertical mill, the problem of coal powder sticking to the rotating blades is solved, thus improving screening efficiency and effectiveness.
Patent Information
- Application Number
- CN202520193476.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-07
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-02-07
AI Technical Summary
In existing vertical grinding mills, coal powder containing moisture tends to stick to the rotating blades during the screening process, resulting in poor screening performance.
An anti-sticking mechanism was designed, which includes a connecting frame, a support base, and a dust removal brush. The combination of the vibrating plate and the dust removal brush prevents coal powder from sticking together and ensures the screening effect.
It effectively prevents coal powder from sticking to the rotating blades, improves screening efficiency, reduces accumulation, and ensures screening effect.
Smart Images

Figure CN223875552U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of coal powder preparation, especially relates to a vertical flour mill. BACKGROUND
[0002] The vertical flour mill is an advanced grinding equipment developed on the basis of widely adopting advanced technologies at home and abroad and combining years of experience in various mills, and is an ideal equipment in the flour milling industry, which is integrated with crushing, drying, grinding and grading conveying. The vertical flour mill can be widely applied to the cement, electric power, metallurgy, chemical industry, nonmetallic mine and other industries, and is used for grinding blocky, granular and powdery raw materials into powdery materials.
[0003] However, in the prior art, the coal powder generated by the vertical flour mill is lifted from the bottom of the flour mill shell to the top of the powder classifier under the driving of hot air for screening, so that the coal powder meeting the standard is allowed to pass through, and the coal powder not meeting the standard is separated. The rotating blades in the powder classifier directly contact the coal powder during use. Since the coal powder contains a small amount of water inside during the production process, the rotating blades are prone to be adhered to the rotating blades during long-term use, which is prone to cause accumulation and affect the screening effect. Therefore, the vertical flour mill is proposed to solve the above problems. CONTENT OF THE UTILITY MODEL
[0004] The utility model aims at solving the problems in the prior art and provides a vertical flour mill.
[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a shell and a rotating blade are included, a connecting frame is installed on the inner wall of the shell, a supporting base is fixedly arranged on the connecting frame, and a dust removal brush is installed on the top of the supporting base.
[0006] The connecting frame and the supporting base are connected, the supporting base is fixed in the shell, the dust removal brush is fixed at the bottom of the rotating blade through the supporting base, and the connecting frame, the supporting base and the dust removal brush jointly constitute an anti-adhesion mechanism at the bottom of the rotating blade.
[0007] Preferably, the connecting frame is provided with three groups, the three groups of connecting frames are evenly arranged in the shell, and the connecting frame comprises a connecting rod, a connecting plate and a vibrating tab.
[0008] Preferably, the connecting plate is fixed at the end of the connecting rod, the connecting plate is arranged in an arc shape, and a bolt hole is formed in the connecting plate.
[0009] Preferably, the vibrating tab is fixed at the top of the connecting rod, an inclined surface is arranged at the top of the vibrating tab, and the vibrating tab is elastic.
[0010] Preferably, the support base comprises a support ring and a base clamping groove, the support ring is provided with two groups, and the two groups of support rings are arranged at two ends of the connecting rod.
[0011] Preferably, the dust removal brush is provided with multiple groups, the multiple groups of dust removal brushes are arranged circumferentially on the top of the support base, and the dust removal brush comprises a clamping plate, a brush and a connecting clamping groove.
[0012] Preferably, the brush is fixed with multiple layers on the top of the clamping plate, the connecting clamping groove is arranged on the bottom of the clamping plate, and the position of the connecting clamping groove corresponds to the base clamping groove.
[0013] Compared with the prior art, the utility model has the advantages and positive effects that:
[0014] 1、 the utility model discloses a connecting frame, support base and dust removal brush constitute the anti -sticking mechanism of rotary vane bottom together, the connecting frame includes connecting rod, connecting plate and vibration paddle, vibration paddle bottom fixed at the top of connecting rod, vibration paddle top is provided with the inclined plane, and vibration paddle has elasticity, vibration paddle's top is contacted with the bottom of rotary vane, when using, the rotary vane in the shell is rotated under the drive of motor, in the process of rotary vane rotation, the bottom of rotary vane periodically collides with vibration paddle, makes rotary vane vibrate under the action of vibration paddle, and through vibration, the coal powder adhering on rotary vane falls off, and through the joint action of dust removal brush on the bottom of rotary vane, the coal powder adhering to rotary vane is separated, reduces the adhesion of coal powder on rotary vane because of the particle is larger and does not pass through screening, prevents the effect of screening from being affected because of the accumulation of coal powder.
[0015] 2、 the utility model discloses that the connecting frame is provided with three groups, and the three groups of connecting frames are evenly arranged in the inside of the shell, and the stability of the connecting frame and the whole anti -sticking mechanism in the shell installation is improved through the joint action of three groups of connecting frames, and the dust removal brush is provided with multiple groups, and the multiple groups of dust removal brushes are arranged circumferentially on the top of the support base, and the dust removal brush comprises a clamping plate, a brush and a connecting clamping groove, the efficiency of cleaning coal powder on the bottom of rotary vane is improved through the joint action of multiple groups of dust removal brushes, and the dust removal brush is installed on the support base through the clamping and fixing of the connecting clamping groove and the base clamping groove, and the dust removal brush can be disassembled by pulling and inserting, so that the dust removal brush is cleaned and replaced conveniently. ACCURACY OF DRAWINGS
[0016] Figure 1 A three-dimensional structure schematic diagram of the vertical flour mill is provided for the utility model;
[0017] Figure 2 An explosion three-dimensional structure schematic diagram of the vertical flour mill is provided for the utility model;
[0018] Figure 3The utility model provides a vertical flour mill's anti -blocking mechanism three -dimensional structure schematic diagram;
[0019] Figure 4 The utility model provides a vertical flour mill's connecting frame and support base three -dimensional structure schematic diagram;
[0020] Figure 5 The utility model provides a vertical flour mill's dust removal brush three -dimensional structure schematic diagram.
[0021] Legend: 1, shell; 2, rotary vane; 3, connecting frame; 31, connecting rod; 32, connecting plate; 33, vibration paddle; 4, support base; 41, support ring; 42, base clamping groove; 5, dust removal brush; 51, clamping plate; 52, brush; 53, connecting clamping groove. DETAILED DESCRIPTION
[0022] In order to more clearly understand the above -mentioned purpose, features and advantages of the utility model, the utility model is further explained below with the help of drawings and examples.
[0023] In the following description, a lot of specific details are set forth in order to fully understand the utility model, but the utility model can also be implemented in other ways different from the description, therefore, the utility model is not limited to the specific embodiments disclosed in the following disclosure.
[0024] As Figures 1-5 The utility model provides a vertical flour mill, including shell 1 and rotary vane 2, the inner wall of shell 1 is installed with connecting frame 3, is fixedly arranged with support base 4 on connecting frame 3, and support base 4 top is installed with dust removal brush 5;Through connecting frame 3 and support base 4 connection, support base 4 is fixed in the inside of shell 1, through support base 4, dust removal brush 5 is fixed in the bottom of rotary vane 2, and connecting frame 3, support base 4 and dust removal brush 5 jointly constitute the anti -blocking mechanism of rotary vane 2 bottom;When using, the rotary vane 2 in the shell 1 is rotated under the drive of motor, and the produced coal powder is screened when the flour mill works, and the bottom is contacted with dust removal brush 5 in the process of rotating, under the effect of the anti -blocking mechanism jointly formed by connecting frame 3, support base 4 and dust removal brush 5, continuously acts on rotary vane 2, makes the coal powder adhered to rotary vane 2 separate, reduces the adhesion of the coal powder not passing screening on rotary vane 2 due to the larger particle, prevents the effect of screening due to the accumulation of coal powder.
[0025] The connecting frame 3 is provided with three groups, which are evenly arranged in the inside of the shell 1, and the connecting frame 3 comprises a connecting rod 31, a connecting plate 32 and a vibrating tab 33, and the three groups of connecting frames 3 jointly improve the stability of the connecting frame 3 and the whole anti-sticking mechanism in the installation of the shell 1.
[0026] The connecting plate 32 is fixed at the end of the connecting rod 31, is provided in an arc shape, and is provided with a bolt hole.
[0027] The vibrating tab 33 is fixed at the top of the connecting rod 31, is provided with an inclined surface at the top, and has elasticity, and the top of the vibrating tab 33 is in contact with the bottom of the rotating blade 2, and the bottom of the rotating blade 2 periodically collides with the vibrating tab 33 during the rotation of the rotating blade 2, so that the rotating blade 2 vibrates under the action of the vibrating tab 33, and the coal powder adhered to the rotating blade 2 is shaken off.
[0028] The support base 4 comprises a support ring 41 and a base clamping groove 42, the support ring 41 is provided with two groups, which are arranged at the two ends of the connecting rod 31, and the two groups of support rings 41 are fixed in the inside of the shell 1 through the connecting rod 31.
[0029] The dust removal brush 5 is provided with multiple groups, which are circumferentially arranged on the top of the support base 4, and the dust removal brush 5 comprises a clamping plate 51, a brush 52 and a connecting clamping groove 53, and the multiple groups of dust removal brushes 5 jointly improve the efficiency of cleaning the coal powder at the bottom of the rotating blade 2.
[0030] The brush 52 is fixed on the top of the clamping plate 51 in multiple layers, the connecting clamping groove 53 is arranged at the bottom of the clamping plate 51, and the position of the connecting clamping groove 53 corresponds to the base clamping groove 42, the dust removal brush 5 is fixed on the support base 4 through the clamping of the connecting clamping groove 53 and the base clamping groove 42, and the dust removal brush 5 can be disassembled by pulling and inserting, so that the dust removal brush 5 is convenient to clean and replace.
[0031] The above is only a preferred embodiment of the present application, and is not intended to limit the present application in other forms, and any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present application still belongs to the protection scope of the technical scheme of the present application.
Claims
1. A vertical grinding mill, comprising a housing (1) and rotating blades (2), characterized in that: A connecting frame (3) is installed on the inner wall of the housing (1), and a support base (4) is fixedly installed on the connecting frame (3). A dust removal brush (5) is installed on the top of the support base (4). The connecting frame (3) is connected to the support base (4), and the support base (4) is fixed inside the housing (1). The dust removal brush (5) is fixed to the bottom of the rotating blade (2) through the support base (4). The connecting frame (3), the support base (4) and the dust removal brush (5) together constitute the anti-sticking mechanism at the bottom of the rotating blade (2).
2. A vertical grinding mill according to claim 1, characterized in that: The connecting frame (3) is provided in three sets, and the three sets of connecting frames (3) are evenly distributed inside the housing (1). The connecting frame (3) includes a connecting rod (31), a connecting plate (32), and a vibration pawl (33).
3. A vertical grinding mill according to claim 2, characterized in that: The connecting plate (32) is fixed to the end of the connecting rod (31). The connecting plate (32) is arc-shaped and has bolt holes.
4. A vertical grinding mill according to claim 2, characterized in that: The bottom of the vibrating paddle (33) is fixed to the top of the connecting rod (31), the top of the vibrating paddle (33) is provided with an inclined surface, and the vibrating paddle (33) is elastic.
5. A vertical grinding mill according to claim 1, characterized in that: The support base (4) includes a support ring (41) and a base slot (42). The support ring (41) is provided in two sets, and the two sets of support rings (41) are respectively located at both ends of the connecting rod (31).
6. A vertical grinding mill according to claim 1, characterized in that: The dust removal brush (5) is provided in multiple sets, and the multiple sets of dust removal brush (5) are arranged circumferentially on the top of the support base (4). The dust removal brush (5) includes a snap-fit plate (51), bristles (52) and a connecting slot (53).
7. A vertical grinding mill according to claim 6, characterized in that: The bristles (52) are fixed in multiple layers on the top of the snap-fit plate (51), the connecting slot (53) is opened at the bottom of the snap-fit plate (51), and the position of the connecting slot (53) corresponds to the base slot (42).