CN213034958U - Powder unloader and concrete building materials production facility - Google Patents
Powder unloader and concrete building materials production facility Download PDFInfo
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- CN213034958U CN213034958U CN202021637641.5U CN202021637641U CN213034958U CN 213034958 U CN213034958 U CN 213034958U CN 202021637641 U CN202021637641 U CN 202021637641U CN 213034958 U CN213034958 U CN 213034958U
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Abstract
The utility model belongs to the technical field of construction auxiliary assembly technique and specifically relates to a powder unloader and concrete building materials production facility is related to. The powder blanking device comprises a blanking pipe and a rotating shaft, and the blanking pipe is arranged between an outlet of the storage bin and a feeding hole of the receiving device; the rotating shaft is positioned in the discharging pipe and can rotate around the axis of the rotating shaft, the circumferential surface of the rotating shaft is provided with spiral blades, and the spiral angle of the spiral blades relative to the central line of the rotating shaft is not smaller than the accumulation angle of powder entering the discharging pipe. When the feeding device is used, the discharging pipe is arranged between the outlet of the storage bin and the feeding hole of the receiving device, the rotating shaft rotates to drive the spiral blades to rotate, and then the powder is driven to dispersedly fall into the feeding hole of the receiving device.
Description
Technical Field
The utility model belongs to the technical field of construction auxiliary assembly technique and specifically relates to a powder unloader and concrete building materials production facility is related to.
Background
In the production process of the autoclaved aerated concrete building material, powder materials such as quicklime, cement and the like are required to be added into a stirring host machine for stirring. The powder metering bin is usually positioned above the stirring host machine, the powder is directly discharged downwards without control, and the powder falls into the stirring host machine within seconds, is easy to agglomerate and is difficult to stir uniformly.
At present, the powder falling from the metering bin is conveyed to the stirring main machine by the screw conveyer, and when the screw conveyer is stopped, the powder inside the screw conveyer can be accumulated and cannot freely fall to the stirring main machine under the action of gravity.
SUMMERY OF THE UTILITY MODEL
A first object of the utility model is to provide a powder unloader to alleviate the powder that adopts screw conveyer to fall in with the measuring bin that exists among the prior art and carry the stirring host computer, when screw conveyer shut down, its inside powder can pile up, can't be under the action of gravity free fall to the technical problem of stirring host computer.
A second object of the utility model is to provide a concrete building materials production facility to alleviate the powder that adopts screw conveyer to fall in with the measuring bin that exists among the prior art and carry the stirring host computer, when screw conveyer shut down, its inside powder can pile up, can't be under the action of gravity free fall to the technical problem of stirring host computer.
Based on the first purpose, the utility model provides a powder blanking device, which comprises a blanking pipe and a rotating shaft, wherein the blanking pipe is arranged between an outlet of a storage bin and a feed inlet of a receiving device; the rotating shaft is positioned in the blanking pipe and can rotate around the axis of the rotating shaft, the circumferential surface of the rotating shaft is provided with spiral blades, and the spiral angle of the spiral blades relative to the central line of the rotating shaft is not smaller than the accumulation angle of powder entering the blanking pipe.
Further, in some optional embodiments, the powder blanking device further comprises a driving device, a power output end of the driving device is in transmission connection with the rotating shaft, and the driving device can change the magnitude and the direction of the rotating speed of the rotating shaft.
Further, in certain alternative embodiments, the drive device is an electric motor, a hydraulic motor, or a pneumatic motor.
Further, in some optional embodiments, the powder blanking device further comprises a discharge transition pipe, one end of the discharge transition pipe is communicated with the part between the two ends of the blanking pipe, and the other end of the discharge transition pipe is used for being communicated with the outlet of the storage bin; one end of the blanking pipe is communicated with an inlet of the receiving device, and the driving device is located at the other end of the blanking pipe.
Further, in some optional embodiments, the other end of the discharging transition pipe is provided with a flange, and one end of the discharging pipe, which is communicated with the inlet of the receiving device, is provided with a flange.
Further, in some optional embodiments, the powder blanking device further comprises a feeding transition pipe, one end of the feeding transition pipe is communicated with the part between the two ends of the blanking pipe, and the other end of the feeding transition pipe is used for being communicated with the inlet of the receiving device; one end of the blanking pipe is communicated with the outlet of the storage bin, and the driving device is located at the other end of the blanking pipe.
Further, in some optional embodiments, a blocking guide part is arranged inside the blanking pipe, and the blocking guide part is provided with a through hole for the rotating shaft to pass through; the helical blade is positioned between the blocking guide part and the outlet of the storage bin, and the blocking guide part is used for enabling powder passing through the helical blade to directly enter the receiving equipment.
Further, in some optional embodiments, the other end of the feeding transition pipe is provided with a flange for connecting with an inlet of the receiving device, and one end of the blanking pipe is provided with a flange for connecting with an outlet of the storage bin.
Further, in some optional embodiments, the axis of the blanking pipe is perpendicular to the end surface of the outlet of the storage bin, and the axis of the feeding transition pipe and the axis of the blanking pipe are arranged at an inclination angle.
Based on above-mentioned second purpose, the utility model also provides a concrete building materials production facility, include powder unloader.
Compared with the prior art, the beneficial effects of the utility model mainly lie in:
the utility model provides a powder blanking device, which comprises a blanking pipe and a rotating shaft, wherein the blanking pipe is arranged between an outlet of a storage bin and a feed inlet of a receiving device; the rotating shaft is positioned in the blanking pipe and can rotate around the axis of the rotating shaft, the circumferential surface of the rotating shaft is provided with spiral blades, and the spiral angle of the spiral blades relative to the central line of the rotating shaft is not smaller than the accumulation angle of powder entering the blanking pipe.
Based on this structure, the utility model provides a powder unloader, when using, install the unloading pipe between the export of storage silo and the feed inlet that receives the material equipment, the pivot is rotated, it rotates together to drive helical blade, and then the powder that drives into the unloading pipe falls into the feed inlet that receives the material equipment dispersedly, because the helical angle of helical blade for the central line of pivot is not less than the angle of pile of the powder that gets into the unloading pipe, when the pivot stall, the powder still can be along helical blade's surface whereabouts, can not pile up in the unloading pipe.
The utility model provides a concrete building material production device, because of using the powder blanking device provided by the utility model, when the rotating shaft rotates, the helical blade can be driven to rotate together, and then the powder entering the blanking pipe is driven to dispersedly fall into the feed inlet of the receiving device; when the rotating shaft stops rotating, the powder still falls down along the surface of the spiral blade and cannot be accumulated in the discharging pipe.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of a powder blanking device provided in an embodiment of the present invention;
fig. 2 is a schematic view of a powder blanking device provided in an embodiment of the present invention in a use state;
fig. 3 is a schematic view of a powder blanking device provided by the second embodiment of the present invention in a use state.
Icon: 100-a storage bin; 200-receiving equipment; 101-a blanking pipe; 102-a rotating shaft; 103-helical blades; 104-a drive device; 105-a discharge transition pipe; 106-feed transition duct; 107-blocking the guide.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that, as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. appear, the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, but does not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" as appearing herein are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" should be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example one
Referring to fig. 1 and fig. 2, the embodiment provides a powder blanking device, which includes a blanking pipe 101 and a rotating shaft 102, wherein the blanking pipe 101 is configured to be disposed between an outlet of a storage bin 100 and a feeding port of a receiving device 200; the rotating shaft 102 is positioned inside the blanking pipe 101, the rotating shaft 102 can rotate around the axis of the rotating shaft 102, the circumferential surface of the rotating shaft 102 is provided with a helical blade 103, and the helical angle of the helical blade 103 relative to the central line of the rotating shaft 102 is not smaller than the accumulation angle of the powder entering the blanking pipe 101.
Based on the structure, the powder discharging device provided by the embodiment, when in use, the discharging pipe 101 is installed between the outlet of the storage bin 100 and the feeding hole of the receiving device 200, the rotating shaft 102 rotates to drive the helical blade 103 to rotate together, and further drives the powder entering the discharging pipe 101 to dispersedly fall into the feeding hole of the receiving device 200, because the helical angle θ of the helical blade 103 relative to the central line of the rotating shaft 102 is not smaller than the accumulation angle of the powder entering the discharging pipe 101, when the rotating shaft 102 stops rotating, the powder still falls along the surface of the helical blade 103 and cannot be accumulated in the discharging pipe 101.
Further, in some alternative embodiments, the powder blanking device further comprises a driving device 104, a power output end of the driving device 104 is in transmission connection with the rotating shaft 102, and the driving device 104 can change the magnitude and the direction of the rotating speed of the rotating shaft 102.
Specifically, the speed at which the powder fell freely in the hopper 101 was set to V1. When the rotating shaft 102 does not rotate, the powder slides down along the surface of the spiral blade 103, and the blanking speed is V2 at the moment.
For example, the rotation direction of the spiral blade 103 is right-handed, when the rotating shaft 102 rotates clockwise, the spiral blade 103 gives an upward speed V3 to the downward sliding powder, the faster the rotation speed of the rotating shaft 102 is, the larger the V3 is, and when V3 is not less than V2, the downward sliding speed of the powder can be reduced to 0, and the blanking can be stopped. When the rotating shaft 102 rotates anticlockwise, the spiral blade 103 gives the downward speed V4 to the downward powder, the faster the rotating speed, the larger the V4, so that the powder discharging speed can reach V1 and even exceed V1.
The size and the direction of the rotating speed of the rotating shaft 102 are changed through the driving device 104, the blanking speed can be adjusted in a stepless speed change mode, and discharging is uniform and continuous.
Further, in certain alternative embodiments, the drive device 104 is an electric, hydraulic, or pneumatic motor.
In this embodiment, the helical blade 103 is a single-wire helical blade.
It should be noted that the helical blade 103 may be a double helical blade or a multiple helical blade.
Further, in some optional embodiments, the powder blanking device further comprises a discharge transition pipe 105, one end of the discharge transition pipe 105 is communicated with the part between the two ends of the blanking pipe 101, and the other end of the discharge transition pipe 105 is used for being communicated with the outlet of the storage bin 100; one end of the blanking pipe 101 is communicated with the inlet of the receiving device 200, and the driving device 104 is positioned at the other end of the blanking pipe 101.
Referring to fig. 2, the discharging pipe 101 is disposed slightly obliquely, and the discharging transition pipe 105 can be perpendicular to the outlet end surface of the storage bin 100. The driving means 104 may be installed at the other end of the feeding pipe 101.
When in use, the powder in the storage bin 100 enters the discharging transition pipe 105 and then enters the discharging pipe 101 to contact with the helical blade 103, and the driving device 104 drives the rotating shaft 102 to rotate to drive the powder to fall at a reduced speed or fall at an accelerated speed, but the powder can also fall at a constant speed.
Further, in some alternative embodiments, the other end of the discharging transition pipe 105 is provided with a flange, and one end of the discharging pipe 101 communicated with the inlet of the receiving device 200 is provided with a flange.
The other end of the discharging transition pipe 105 is connected with a flange at the outlet of the storage bin 100 through a flange, and the discharging pipe 101 is connected with a flange at the inlet of the receiving device 200 through a flange.
In this embodiment, the number of the storage bins 100 is two, and the outlet of each storage bin 100 is connected with a powder blanking device.
Example two
Referring to fig. 3, the present embodiment also provides a powder blanking device, and the powder blanking device of the present embodiment describes another arrangement form of the blanking pipe 101, and the technical solution of the first embodiment also belongs to the embodiment, and the description is not repeated here. The same reference numerals are used for the same components as in the first embodiment, and reference is made to the description of the first embodiment.
The powder blanking device in the embodiment comprises a feeding transition pipe 106, wherein one end of the feeding transition pipe 106 is communicated with the part between the two ends of a blanking pipe 101, and the other end of the feeding transition pipe 106 is used for being communicated with an inlet of a receiving device 200; one end of the feeding pipe 101 is communicated with the outlet of the storage bin 100, and the driving device 104 is positioned at the other end of the feeding pipe 101.
In use, powder in the storage bin 100 enters the blanking pipe 101, moves to the feeding transition pipe 106 through the helical blade 103, and then enters the receiving device 200.
Further, in some optional embodiments, the inside of the blanking tube 101 is provided with a blocking guide portion 107, and the blocking guide portion 107 is provided with a through hole for the rotating shaft 102 to pass through; the helical blade 103 is located between the blocking guide 107 and the outlet of the storage bin 100, and the blocking guide 107 is used for enabling the powder passing through the helical blade 103 to directly enter the receiving device 200.
Alternatively, the blocking guide 107 may be a baffle plate, which is disposed obliquely and divides the feeding pipe 101 into two parts that are not communicated with each other, so that the powder smoothly enters the receiving device 200 without accumulating above the driving device 104.
Optionally, a dynamic sealing device, such as an existing packing seal or a dynamic sealing ring, is disposed between the rotating shaft 102 and the baffle.
It should be noted that the blocking guide 107 may be a part of the wall of the feed transition pipe 106.
Further, in certain alternative embodiments, the other end of the feeding transition pipe 106 is provided with a flange for connecting with the inlet of the receiving device 200, and one end of the blanking pipe 101 is provided with a flange for connecting with the outlet of the storage bin 100.
The other end of the feeding transition pipe 106 is connected with a flange of the inlet of the receiving device 200 through a flange, and one end of the blanking pipe 101 is connected with a flange of the outlet of the storage bin 100 through a flange.
Further, in some alternative embodiments, the axis of the feeding pipe 101 is perpendicular to the end surface of the outlet of the storage bin 100, and the axis of the feeding transition pipe 106 is arranged at an inclination angle with respect to the axis of the feeding pipe 101.
EXAMPLE III
This embodiment provides a concrete building materials production facility, include the utility model provides a powder unloader that provides.
According to the concrete building material production equipment provided by the embodiment of the invention, due to the use of the powder blanking device provided by the first embodiment of the invention, when the rotating shaft 102 rotates, the helical blade 103 can be driven to rotate together, and then the powder entering the blanking pipe 101 is driven to dispersedly fall into the feeding hole of the receiving equipment 200; when the rotation of the rotating shaft 102 is stopped, the powder still falls down along the surface of the spiral blade 103 and is not accumulated in the feeding pipe 101.
Alternatively, the storage bin 100 in this embodiment may be a metering bin, and the material receiving device 200 may be a stirring main machine.
It should be noted that the concrete building materials production facility that this embodiment provided can also use the utility model provides a second powder unloader that provides.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. The powder blanking device is characterized by comprising a blanking pipe (101) and a rotating shaft (102), wherein the blanking pipe (101) is arranged between an outlet of a storage bin (100) and a feeding hole of a receiving device (200); the rotating shaft (102) is located inside the discharging pipe (101), the rotating shaft (102) can rotate around the axis of the rotating shaft (102), a spiral blade (103) is arranged on the circumferential surface of the rotating shaft (102), and the spiral angle of the spiral blade (103) relative to the center line of the rotating shaft (102) is not smaller than the accumulation angle of powder entering the discharging pipe (101).
2. The powder blanking device of claim 1, further comprising a driving device (104), wherein a power output end of the driving device (104) is in transmission connection with the rotating shaft (102), and the driving device (104) can change the magnitude and direction of the rotating speed of the rotating shaft (102).
3. Powder blanking device according to claim 2, wherein the drive means (104) is an electric, hydraulic or pneumatic motor.
4. The powder blanking device of claim 2, further comprising a discharge transition pipe (105), wherein one end of the discharge transition pipe (105) is communicated with a part between two ends of the blanking pipe (101), and the other end of the discharge transition pipe (105) is used for being communicated with an outlet of the storage bin (100); one end of the blanking pipe (101) is communicated with an inlet of the receiving device (200), and the driving device (104) is located at the other end of the blanking pipe (101).
5. The powder blanking device according to the claim 4, characterized in that the other end of the discharging transition pipe (105) is provided with a flange, and the end of the discharging pipe (101) communicated with the inlet of the receiving device (200) is provided with a flange.
6. The powder blanking device according to claim 2, further comprising a feeding transition pipe (106), wherein one end of the feeding transition pipe (106) is communicated with the part between the two ends of the blanking pipe (101), and the other end of the feeding transition pipe (106) is used for being communicated with the inlet of the receiving device (200); one end of the blanking pipe (101) is communicated with an outlet of the storage bin (100), and the driving device (104) is located at the other end of the blanking pipe (101).
7. The powder blanking device according to the claim 6, characterized in that the blanking pipe (101) is provided with a blocking guide part (107) inside, and the blocking guide part (107) is provided with a through hole for the rotating shaft (102) to pass through; the helical blade (103) is positioned between the blocking guide part (107) and the outlet of the storage bin (100), and the blocking guide part (107) is used for enabling the powder passing through the helical blade (103) to directly enter the receiving device (200).
8. The powder blanking device according to the claim 6, characterized in that the other end of the feeding transition pipe (106) is provided with a flange for connecting with the inlet of the receiving device (200), and one end of the blanking pipe (101) is provided with a flange for connecting with the outlet of the storage bin (100).
9. The powder blanking device of claim 6, wherein the axis of the blanking pipe (101) is perpendicular to the end surface of the outlet of the storage bin (100), and the axis of the feeding transition pipe (106) and the axis of the blanking pipe (101) are arranged at an inclination angle.
10. A concrete building material production facility, comprising the powder blanking apparatus of any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021637641.5U CN213034958U (en) | 2020-08-07 | 2020-08-07 | Powder unloader and concrete building materials production facility |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021637641.5U CN213034958U (en) | 2020-08-07 | 2020-08-07 | Powder unloader and concrete building materials production facility |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213034958U true CN213034958U (en) | 2021-04-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021637641.5U Active CN213034958U (en) | 2020-08-07 | 2020-08-07 | Powder unloader and concrete building materials production facility |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213034958U (en) |
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- 2020-08-07 CN CN202021637641.5U patent/CN213034958U/en active Active
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