CN215612034U - Vertical grinding machine and stirring device thereof - Google Patents
Vertical grinding machine and stirring device thereof Download PDFInfo
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- CN215612034U CN215612034U CN202022392909.XU CN202022392909U CN215612034U CN 215612034 U CN215612034 U CN 215612034U CN 202022392909 U CN202022392909 U CN 202022392909U CN 215612034 U CN215612034 U CN 215612034U
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Abstract
The embodiment of the application provides a vertical grinding machine and a stirring device thereof, wherein the stirring device comprises a driving shaft, a first stirring blade and a second stirring blade, the first stirring blade and the second stirring blade are both connected with the driving shaft, so that the driving shaft can drive the first stirring blade and the second stirring blade to rotate, the projection area of the second stirring blade along the axial direction of the driving shaft is smaller than the side area of the second stirring blade, the resistance of the second stirring blade is relatively larger, the second stirring blade is arranged on the driving shaft in the prior art, but the driving shaft in the embodiment of the application is a combination of the first stirring blade and the second stirring blade, namely, the first stirring blade and the second stirring blade are not used, and the resistance borne by the first stirring blade is smaller because the first stirring blade is perpendicular to the driving shaft, therefore, the whole stirring device is less in resistance, and the load of the motor and the possibility of burning out of the motor are reduced.
Description
Technical Field
The application relates to the technical field of stirring equipment, in particular to a vertical grinding machine and a stirring device thereof.
Background
In the prior art, due to the gravity of the grinding medium, after the equipment is powered off or is stopped emergently, the grinding medium falls down and is deposited to the lower part of the grinding cylinder, part of stirring blades of the stirring device are sunk into the grinding medium, when the equipment is restarted, the stirring blades need to overcome the resistance of the grinding medium, so that the grinding medium is stirred to be suspended, and the stirring device can normally work. But the equipment operation in-process cuts off the power supply suddenly, because material and grinding medium deposit, material and grinding medium are fairly big to stirring vane's resistance, and the great unable rotation of resistance that agitating unit received, motor load greatly increases, and the motor is burnt out to the time starting of forcing, still easily.
SUMMERY OF THE UTILITY MODEL
In view of this, it is desirable to provide a vertical grinder and a stirring device thereof, so as to reduce the resistance applied to the stirring device, reduce the load of the motor, and reduce the possibility of motor burnout.
In order to achieve the above object, an aspect of the embodiments of the present application provides a stirring apparatus, including:
a drive shaft;
a first stirring blade connected to the driving shaft, the first stirring blade being perpendicular to the driving shaft; and
and the second stirring blade is connected with the driving shaft, and the projection area of the second stirring blade along the axial direction of the driving shaft is smaller than the side surface area of the second stirring blade.
In one embodiment, the first stirring blade is shaped like a disk, and the first stirring blade is disposed coaxially with the driving shaft.
In one embodiment, the first stirring blade includes a plurality of first sub-blades, each of which is perpendicular to the driving shaft.
In one embodiment, a stirring portion is formed on a side surface of the first stirring blade.
In one embodiment, the stirring portions are formed on both sides of the first stirring blade, and the stirring portions on both sides are arranged oppositely.
In one embodiment, the stirring part is a protrusion or a groove.
In one embodiment, the stirring portion is disposed at an outer edge of the first stirring blade.
In one embodiment, the second stirring blade is located between the first stirring blade and the end of the drive shaft.
In one embodiment, the first stirring blades and the second stirring blades are alternately arranged.
A second aspect of embodiments of the present application provides a vertical grinding mill, including:
a grinding vessel;
in the stirring device of any one of the above, one end of the driving shaft is rotatably connected to the top of the grinding container, the other end of the driving shaft faces the bottom of the grinding container, and the first stirring blade and the second stirring blade are both located in the grinding container; and
a power assembly in driving connection with the drive shaft.
In one embodiment, the stirring device further comprises a hanging weight connected to an end of the driving shaft, the hanging weight is located at one end of the driving shaft facing the bottom of the grinding container, the hanging weight is conical in shape, and the hanging weight and the driving shaft are coaxially arranged.
The stirring device of the embodiment of the application comprises a driving shaft, a first stirring blade and a second stirring blade, wherein the first stirring blade and the second stirring blade are connected with the driving shaft, so that the driving shaft can drive the first stirring blade and the second stirring blade to rotate, the blade structure of the second stirring blade adopts a blade structure in the prior art, specifically, the projection area of the second stirring blade along the axial direction of the driving shaft is smaller than the side area of the second stirring blade, the resistance of the second stirring blade is relatively larger, the second stirring blade is arranged on the driving shaft in the prior art, but the driving shaft of the embodiment of the application is a combination of the first stirring blade and the second stirring blade, namely, the first stirring blade and the second stirring blade are not used completely, and because the first stirring blade is perpendicular to the driving shaft, the resistance that first stirring vane received is less, therefore, the resistance that stirring device wholly received is less, has reduced the load of motor and the possibility that the motor burns out.
Drawings
Fig. 1 is a schematic structural view of a vertical grinder according to an embodiment of the present application;
FIG. 2 is a schematic structural diagram of a first stirring blade according to an embodiment of the present application;
FIG. 3 is a schematic structural diagram of a first stirring blade according to an embodiment of the present application;
FIG. 4 is a schematic structural diagram of a first stirring blade according to an embodiment of the present application;
FIG. 5 is a schematic structural view of a second stirring blade according to an embodiment of the present application;
FIG. 6 is a schematic view of the assembly of a disc-shaped first stirring blade and a driving shaft according to an embodiment of the present application;
FIG. 7 is a schematic view of an assembly of a plurality of first sub-blades and a drive shaft according to an embodiment of the present application.
Description of reference numerals: a grinding container 1; a stirring device 2; a drive shaft 21; the first stirring blade 22; a stirring section 221; a first sub-blade 222; a neutral plane 223; the second agitating blade 23; the second sub-blade 231; a plumb 24.
Detailed Description
It should be noted that, in the present application, technical features in examples and embodiments may be combined with each other without conflict, and the detailed description in the specific embodiment should be understood as an explanation of the gist of the present application and should not be construed as an improper limitation to the present application.
In the description of the present application, "upper", "lower", "top", "bottom", orientation or positional relationship is based on the orientation or positional relationship shown in fig. 1, it being understood that such orientation terms are merely for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be considered limiting of the present application.
The embodiment of the present application provides a grinder, please refer to fig. 1, which includes a grinding container 1, a stirring device 2 and a power assembly.
Referring to fig. 1, the stirring device 2 of the embodiment of the present application includes a driving shaft 21, a first stirring blade 22, and a second stirring blade 23. The first agitating blade 22 is connected to the driving shaft 21, and the first agitating blade 22 is perpendicular to the driving shaft 21. The second stirring blade 23 is connected to the drive shaft 21, and the area of the projection of the second stirring blade 23 in the axial direction of the drive shaft 21 is smaller than the area of the side surface of the second stirring blade 23.
In one embodiment, referring to fig. 1, one end of the driving shaft 21 is rotatably connected to the top of the grinding container 1, the other end of the driving shaft 21 faces the bottom of the grinding container 1, and the first stirring blade 22 and the second stirring blade 23 are both located in the grinding container 1. The power assembly is in driving connection with the drive shaft 21.
It will be appreciated that the power assembly is typically an electric motor.
Because the first stirring blade 22 and the second stirring blade 23 are both connected to the driving shaft 21, so that the driving shaft 21 can drive the first stirring blade 22 and the second stirring blade 23 to rotate, the blade structure of the second stirring blade 23 is the blade structure in the prior art, specifically, the projection area of the second stirring blade 23 along the axial direction of the driving shaft 21 is smaller than the side area of the second stirring blade 23, the resistance of the second stirring blade 23 is relatively large, the second stirring blade 23 is arranged on the driving shaft 21 in the prior art, but the driving shaft 21 in the embodiment of the present application is the combination of the first stirring blade 22 and the second stirring blade 23, that is, both the first stirring blade 22 and the second stirring blade 23 are provided, and the second stirring blade 23 is not used completely, because the first stirring blade 22 is perpendicular to the driving shaft 21, the resistance received by the first stirring blade 22 is relatively small, therefore, the resistance to the stirring device 2 as a whole is small, and the load on the motor and the possibility of motor burnout are reduced.
The second stirring blade 23 used in the prior art, that is, the first stirring blade 22 in the embodiment of the present application, is replaced by the second stirring blade 23 having a larger resistance in the prior art, so that the resistance of the stirring device 2 in the prior art is larger, and the resistance of the stirring device 2 in the embodiment of the present application is smaller.
It is to be understood that, in the embodiment of the present application, the side surface of the first agitating blade 22 refers to the side plane of the first agitating blade 22 in the thickness direction of the first agitating blade 22. The first agitating blade 22 being perpendicular to the drive shaft 21 should be understood as both side planes of the first agitating blade 22 being perpendicular to the drive shaft 21, or the neutral plane 223 of the first agitating blade 22 being perpendicular to the drive shaft 21. Wherein both side planes of the first agitating blade 22 are symmetrical with respect to the neutral plane 223 of the first agitating blade 22.
It is to be understood that, in the embodiment of the present application, the side surface of the second agitating blade 23 refers to the side surface of the second agitating blade 23 in the thickness direction of the second agitating blade 23.
In one embodiment, referring to fig. 2, 3 and 6, the first stirring blade 22 is shaped like a disk, and the first stirring blade 22 is disposed coaxially with the driving shaft 21. In this way, the resistance due to the eccentricity of the first stirring vane 22 is eliminated, the surface on which the material and the grinding media directly impact is small, the material and the grinding media substantially move in phase on the first stirring vane 22, and the resistance of the stirring device 2 is reduced.
In one embodiment, when the first stirring blade 22 is shaped like a disk, the first stirring blade 22 and the driving shaft 21 may be keyed.
Fig. 6 shows the neutral plane 223 of the first stirring vane 22, in which the first stirring vane 22 is in the shape of a disk.
In one embodiment, the first stirring vane 22 may be eccentrically disposed on the driving shaft 21.
In one embodiment, referring to fig. 4 and 7, the first stirring blade 22 includes a plurality of first sub-blades 222, and each of the first sub-blades 222 is perpendicular to the driving shaft 21. In this way, each first sub-blade 222 is perpendicular to the driving shaft 21, so that the first sub-blade 222 is subjected to a smaller resistance, and accordingly, the resistance of the first stirring blade 22 and the stirring device 2 is reduced. The first stirring vane 22 includes a plurality of first sub-vanes 222, and there is a gap between two adjacent first sub-vanes 222, so that the material consumption of the first stirring vane 22 formed by the plurality of first sub-vanes 222 is less compared with the disc-shaped first stirring vane 22.
In one embodiment, the first sub-vane 222 may be welded to the drive shaft 21.
Fig. 7 shows a neutral plane 223 of the first stirring vane 22, in which the first stirring vane 22 comprises a plurality of first sub-vanes 222.
In one embodiment, referring to fig. 2 and 3, a stirring portion 221 is formed on a side surface of the first stirring blade 22. In this way, the stirring efficiency of the first stirring blade 22 can be appropriately improved, and the resistance of the first stirring blade 22 is not excessively increased.
In an embodiment, referring to fig. 2 and 3, the stirring portions 221 are formed on both sides of the first stirring blade 22, and the stirring portions 221 on both sides are disposed opposite to each other. Thus, the opposite arrangement of the stirring parts 221 at both sides can further improve the stirring efficiency of the first stirring blade 22.
In one embodiment, referring to fig. 2, the stirring portion 221 may be a protrusion.
In one embodiment, the protrusions of both sides of the first agitating blade 22 may be oppositely disposed.
In one embodiment, referring to fig. 2, 3 pairs of protrusions are disposed on the first stirring blade 22, and each pair of protrusions is disposed on two sides of the first stirring blade 22.
In one embodiment, the projection may be provided only on one side of the first agitating blade 22.
In one embodiment, the projections on either side of the first agitating blade 22 are provided in plural numbers in the circumferential direction and the radial direction of the drive shaft 21, respectively. In this way, the projections on either side of the first agitating blade 22 form an annular array distributed circumferentially and radially along the drive shaft 21.
In an embodiment, referring to fig. 3, the stirring portion 221 may be a groove.
In one embodiment, the grooves on both sides of the first stirring blade 22 may be oppositely arranged.
In one embodiment, referring to fig. 3, the first stirring blade 22 is provided with a plurality of pairs of grooves, and each pair of grooves is disposed on two sides of the first stirring blade 22.
In one embodiment, the groove may be provided only on one side of the first agitating blade 22.
In one embodiment, the grooves on either side of the first stirring blade 22 are provided in plural in the circumferential direction and the radial direction of the drive shaft 21, respectively. In this way, the grooves on either side of the first stirring vane 22 form an annular array distributed circumferentially and radially along the drive shaft 21.
In one embodiment, referring to fig. 2 and 3, the stirring portion 221 is disposed at an outer edge of the first stirring blade 22. As such, the stirring portion 221 at the outer edge is more advantageous for agitating the material and the grinding media.
In one embodiment, the first stirring blade 22 may not be provided with the stirring portion 221.
In an embodiment, referring to fig. 5, the second stirring blade 23 may include a plurality of second sub-blades 231, and a projection area of each second sub-blade 231 along the axial direction of the driving shaft 21 is smaller than a side area of the second sub-blade 231. In this way, the second stirring vane 23 includes the plurality of second sub-vanes 231, and a gap is formed between two adjacent second sub-vanes 231, so that the second stirring vane 23 including the plurality of second sub-vanes 231 requires less material than the disc-shaped second stirring vane 23.
In one embodiment, the second stirring blade 23 may be in the shape of a disk.
In one embodiment, when the second stirring blade 23 is shaped like a disk, the second stirring blade 23 is connected to the driving shaft 21 by a key.
In an embodiment, when the second agitating blade 23 includes a plurality of second sub-blades 231, the second sub-blades 231 may be welded to the driving shaft 21.
In one embodiment, the second stirring blade 23 is located between the first stirring blade 22 and the end of the driving shaft 21. In this way, the first stirring vanes 22 and the second stirring vanes 23 are respectively concentrated on two different regions of the driving shaft 21 along the axial direction of the driving shaft 21, and when the driving shaft 21 of the stirring device 2 is installed in the grinding vessel 1, the first stirring vanes 22 can be positioned on the side of the second stirring vanes 23 facing the bottom of the grinding vessel 1, the accumulated materials and grinding media can contact the first stirring vanes 22 as much as possible, and the resistance force applied to the stirring device 2 is small.
It will be appreciated that one end of the drive shaft 21, the other end of the drive shaft 21, and the end of the drive shaft 21 are different. One end of the drive shaft 21 and the other end of the drive shaft 21 are demarcated by the center of the drive shaft 21 in the axial direction of the drive shaft 21, and the entire drive shaft 21 is divided into one end of the drive shaft 21 and the other end of the drive shaft 21, and the end of the drive shaft 21 is understood as a boundary of the drive shaft 21 in the axial direction of the drive shaft 21, and the entire drive shaft 21 is located between the two boundaries of the drive shaft 21 in the axial direction. That is, the first agitating blade 22 may be provided at one end of the drive shaft 21, the first agitating blade 22 may be provided at the other end of the drive shaft 21, the first agitating blade 22 may be provided at the center of the drive shaft 21 in the axial direction of the drive shaft 21, the second agitating blade 23 may be provided at one end of the drive shaft 21, the second agitating blade 23 may be provided at the other end of the drive shaft 21, and the second agitating blade 23 may be provided at the center of the drive shaft 21 in the axial direction of the drive shaft 21. In the above-described positional relationship between the first stirring blade 22 and the drive shaft 21 and the positional relationship between the second stirring blade 23 and the drive shaft 21, it can be determined that the first stirring blade 22 and the second stirring blade 23 are positioned between both end portions of the drive shaft 21 regardless of the above-described positional relationship.
In one embodiment, the first stirring vanes 22 and the second stirring vanes 23 may be alternately disposed. In this way, the resistance force received by the stirring device 2 can be distributed more uniformly in the axial direction of the drive shaft 21.
In one embodiment, referring to fig. 1, the stirring device 2 further includes a hanging weight 24, the hanging weight 24 is connected to an end of the driving shaft 21, the hanging weight 24 is conical, and the hanging weight 24 is disposed coaxially with the driving shaft 21.
It will be appreciated that the suspension hammers 24 are provided at the end of the drive shaft 21 facing the bottom end of the grinding vessel 1.
In one embodiment, the vertical grinder may be used for asphalt production, and the materials required for asphalt production and the grinding media for grinding the materials are put into the vertical grinder, the driving shaft 21 is driven by the motor to rotate, and the driving shaft 21 drives the first stirring blade and the second stirring blade 23 to rotate so as to stir and grind the materials required for asphalt production and the grinding media for grinding the materials.
The various embodiments/implementations provided herein may be combined with each other without contradiction.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (9)
1. A stirring device, comprising:
a drive shaft;
a first stirring blade connected to the driving shaft, the first stirring blade being perpendicular to the driving shaft; the first stirring blade is disc-shaped and is arranged coaxially with the driving shaft; and
and the second stirring blade is connected with the driving shaft, and the projection area of the second stirring blade along the axial direction of the driving shaft is smaller than the side surface area of the second stirring blade.
2. The stirring device according to claim 1, wherein a side surface of the first stirring blade is formed with a stirring portion.
3. The stirring device according to claim 2, wherein the stirring portions are formed on both sides of the first stirring blade, and the stirring portions are arranged oppositely.
4. The stirring device of claim 2, wherein the stirring portion is a protrusion or a groove.
5. The stirring device according to claim 2, wherein the stirring section is provided at an outer edge of the first stirring blade.
6. The stirring device of claim 1, wherein said second stirring blade is located between said first stirring blade and an end of said drive shaft.
7. The stirring device of claim 1, wherein said first stirring vanes and said second stirring vanes are alternately disposed.
8. A vertical grinding mill, characterized by comprising:
a grinding vessel;
the stirring device as claimed in any one of claims 1 to 7, wherein one end of the driving shaft is rotatably connected with the top of the grinding container, the other end of the driving shaft faces the bottom of the grinding container, and the first stirring blade and the second stirring blade are both positioned in the grinding container; and
a power assembly in driving connection with the drive shaft.
9. The vertical mill of claim 8, wherein the stirring device further comprises a hanging weight connected to an end of the drive shaft, the hanging weight being located at an end of the drive shaft facing the bottom of the grinding vessel, the hanging weight being conical in shape and being arranged coaxially with the drive shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022392909.XU CN215612034U (en) | 2020-10-23 | 2020-10-23 | Vertical grinding machine and stirring device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022392909.XU CN215612034U (en) | 2020-10-23 | 2020-10-23 | Vertical grinding machine and stirring device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215612034U true CN215612034U (en) | 2022-01-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022392909.XU Active CN215612034U (en) | 2020-10-23 | 2020-10-23 | Vertical grinding machine and stirring device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215612034U (en) |
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2020
- 2020-10-23 CN CN202022392909.XU patent/CN215612034U/en active Active
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