CN213113241U - Prepressing spiral feeding device for dry pressing forming machine of molded coal - Google Patents
Prepressing spiral feeding device for dry pressing forming machine of molded coal Download PDFInfo
- Publication number
- CN213113241U CN213113241U CN202022022880.6U CN202022022880U CN213113241U CN 213113241 U CN213113241 U CN 213113241U CN 202022022880 U CN202022022880 U CN 202022022880U CN 213113241 U CN213113241 U CN 213113241U
- Authority
- CN
- China
- Prior art keywords
- spiral
- pressing
- bin body
- propelling device
- forming machine
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Screw Conveyors (AREA)
Abstract
The utility model discloses a pre-compaction spiral feeder for moulded coal dry-pressing make-up machine, include: the spiral propelling device is positioned in the bin body, spiral blades of the spiral propelling device are arranged in an equal pitch, and the driving device is positioned on the upper part of the bin body. When discharging, the motor controls the spiral propelling device to rotate, the coal dust in the bin body is extruded by the spiral blades in the downward propelling process, and finally the coal dust is conveyed to the double rollers of the forming machine to be formed. Because the helical blades of the helical propelling device are arranged at equal intervals, the damage to the forming machine when the feeding amount is greater than the feed amount of the pair rollers can be avoided, and the service life of the equipment is prolonged.
Description
Technical Field
The utility model relates to a buggy conveyor technical field, in particular to a pre-compaction spiral feeder for moulded coal dry pressing make-up machine.
Background
In the existing dry-pressing molding technology of the molded coal, pulverized coal is mixed with an additive and then is fed into a hopper of a molding machine, the hopper adopts a feeding screw to feed pre-pressing screws, and the pre-pressing screws provide a certain pressure for the pulverized coal to be molded by a compression roller of the molding machine.
When the pre-pressing spiral feeding is carried out, the phenomenon of uneven feeding of pulverized coal on the full section of the compression roller is caused, so that the density and the strength of the partially molded coal have larger deviation. And when the material feeding speed of the compression roller is lower than the prepressing feeding speed or the compression roller is stopped, the prepressing screw can be stopped, and the compression roller can be damaged.
Therefore, how to provide a pre-pressing spiral feeding device to avoid the damage caused by the generation of large pressure on the roller of the forming machine when the feeding is excessive is a technical problem to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a pre-compaction spiral feeder for moulded coal dry-pressing make-up machine can improve equipment's security and life.
In order to achieve the above object, the utility model provides a following technical scheme:
a pre-compaction spiral feeder for a moulded coal dry pressing forming machine comprises: the coal powder forming machine comprises a bin body, a spiral propelling device and a driving device, wherein the spiral propelling device is positioned in the bin body, the driving device is positioned at the upper part of the bin body and is used for driving the spiral propelling device to push coal powder in the bin body downwards into a pair roller of the forming machine, and spiral blades of the spiral propelling device are arranged at equal pitch.
Preferably, the bottom of the bin body is provided with a pre-pressing exhaust part, the lower section of the spiral propelling device is positioned in the pre-pressing exhaust part, and the side wall of the pre-pressing exhaust part is provided with an exhaust hole.
Preferably, the side wall of the pre-pressing exhaust part is provided with a plurality of groups of matrix hole groups, and each group of matrix hole groups comprises a plurality of exhaust holes.
Preferably, the inner side wall of the pre-pressing exhaust part is tapered from top to bottom, and the outer diameter of the spiral blade of the spiral propelling device is tapered from top to bottom.
Preferably, a baffle plate is vertically arranged on the outer side of the bottom of the pre-pressing exhaust part.
Preferably, the driving device comprises a motor and a speed reducer, and an output shaft of the speed reducer is connected with the spiral propelling device.
Compared with the prior art, the technical scheme has the following advantages:
the utility model provides a pre-compaction spiral feeder for moulded coal dry pressing make-up machine, include: the spiral propelling device is positioned in the bin body, spiral blades of the spiral propelling device are arranged in an equal pitch, and the driving device is positioned on the upper part of the bin body. When discharging, the motor controls the spiral propelling device to rotate, the coal dust in the bin body is extruded by the spiral blades in the downward propelling process, and finally the coal dust is conveyed to the double rollers of the forming machine to be formed. Because the helical blades of the helical propelling device are arranged at equal intervals, the damage to the forming machine when the feeding amount is greater than the feed amount of the pair rollers can be avoided, and the service life of the equipment is prolonged.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic view of a front view and a half section structure of a pre-pressing spiral feeding device for a dry-pressing forming machine of molded coal according to a specific embodiment of the present invention.
The reference numbers are as follows:
1 is a driving device, 2 is a bin body, 3 is a spiral propelling device, 4 is an exhaust hole, and 5 is a baffle.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.
Referring to fig. 1, fig. 1 is a schematic view of a front view half-section structure of a pre-pressing spiral feeding device for a dry-pressing forming machine of molded coal according to an embodiment of the present invention.
The embodiment of the utility model provides a pre-compaction spiral feeder for moulded coal dry pressing make-up machine, include: the spiral propelling device comprises a bin body 2, a spiral propelling device 3 and a driving device 1, wherein the spiral propelling device 3 is positioned in the bin body 2, the spiral blades of the spiral propelling device 3 are arranged in an equal pitch, the driving device 1 is positioned on the upper part of the bin body 2, the driving device 1 comprises a motor and a speed reducer, an output shaft of the speed reducer is connected with the spiral propelling device 3, and the motor is controlled by a frequency converter. When discharging, the motor controls the spiral propelling device 3 to rotate, the coal powder in the bin body 2 is extruded by the spiral blades in the downward propelling process, and finally the coal powder is conveyed to the pair rollers of the forming machine for forming. Because the helical blades of the helical propelling device 3 are arranged at equal intervals, the damage to the forming machine when the feeding amount is greater than the double-roller feeding amount can be avoided, and the service life of the equipment is prolonged.
Further, the bottom of the bin body 2 is provided with a pre-pressing exhaust part, the lower section of the spiral propelling device 3 is positioned in the pre-pressing exhaust part, the side wall of the pre-pressing exhaust part is provided with an exhaust hole 4, and the aperture of the exhaust hole 4 is smaller than the particle size of the pulverized coal so as to prevent the pulverized coal from being discharged from the exhaust hole 4. The gas in the coal dust can be discharged through the pre-pressing exhaust part, so that the coal dust containing a large amount of gas is prevented from being subjected to gas explosion during forming, and equipment is prevented from being damaged.
Specifically, the side wall of the pre-pressing exhaust part is provided with a plurality of sets of matrix hole groups, the matrix hole groups are preferably uniformly distributed along the axial direction of the pre-pressing exhaust part, and each set of matrix hole groups comprises a plurality of exhaust holes 4. Furthermore, a plurality of exhaust holes 4 may be distributed in a circular array on the side wall of the pre-pressing exhaust portion.
Further, the inner side wall of the pre-pressing exhaust part is tapered from top to bottom, preferably in an inverted cone structure, and the outer diameter of the spiral blade of the spiral propelling device 3 is tapered from top to bottom. Through the structure that the top-down gradually shrinks, can improve the compression ratio of coal charge, also improved the exhaust effect.
In order to prevent the material from leaking when being conveyed to the forming machine, the baffle 5 is vertically arranged on the outer side of the bottom of the pre-pressing exhaust part.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
It is right above the utility model provides a can discharge gaseous pre-compaction feeder in buggy has carried out the detailed introduction. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (6)
1. The utility model provides a pre-compaction spiral feeder for moulded coal dry pressing make-up machine which characterized in that includes: the coal powder forming machine comprises a bin body, a spiral propelling device and a driving device, wherein the spiral propelling device is positioned in the bin body, the driving device is positioned at the upper part of the bin body and is used for driving the spiral propelling device to push coal powder in the bin body downwards into a pair roller of the forming machine, and spiral blades of the spiral propelling device are arranged at equal pitch.
2. The pre-pressing spiral feeding device according to claim 1, wherein a pre-pressing exhaust part is arranged at the bottom of the bin body, the lower section of the spiral propelling device is positioned in the pre-pressing exhaust part, and an exhaust hole is arranged on the side wall of the pre-pressing exhaust part.
3. The pre-pressing spiral feeding device as claimed in claim 2, wherein the side wall of the pre-pressing exhaust part is provided with a plurality of matrix hole sets, each matrix hole set comprising a plurality of exhaust holes.
4. The pre-pressing screw feeding device according to claim 3, wherein the inner side wall of the pre-pressing exhaust part is tapered from top to bottom, and the outer diameter of the screw blade of the screw propelling device is tapered from top to bottom.
5. The pre-pressing spiral feeding device according to claim 2, wherein a baffle is vertically arranged outside the bottom of the pre-pressing exhaust part.
6. The pre-compaction screw feeder of claim 1, wherein the drive means comprises a motor and a reducer, an output shaft of the reducer being connected to the screw propulsion means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022022880.6U CN213113241U (en) | 2020-09-15 | 2020-09-15 | Prepressing spiral feeding device for dry pressing forming machine of molded coal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022022880.6U CN213113241U (en) | 2020-09-15 | 2020-09-15 | Prepressing spiral feeding device for dry pressing forming machine of molded coal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213113241U true CN213113241U (en) | 2021-05-04 |
Family
ID=75662651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022022880.6U Active CN213113241U (en) | 2020-09-15 | 2020-09-15 | Prepressing spiral feeding device for dry pressing forming machine of molded coal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213113241U (en) |
-
2020
- 2020-09-15 CN CN202022022880.6U patent/CN213113241U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101234316A (en) | Material feeding system for granulator | |
| CN207954762U (en) | A kind of straw granulating device | |
| CN210229882U (en) | Biomass fuel granulation machine capable of discharging quickly | |
| CN101025269A (en) | Biological matter straw burning-gasifying feeding apparatus | |
| CN205708945U (en) | Dry granulating machine feeding vertical device | |
| CN201235620Y (en) | Biomass particle molding circular mould | |
| CN213113241U (en) | Prepressing spiral feeding device for dry pressing forming machine of molded coal | |
| CN211886553U (en) | Compound food additive blendor | |
| CN206462379U (en) | The processing unit (plant) of pellet | |
| CN200998656Y (en) | Feeding mechanism of pelletizer | |
| CN217650483U (en) | Automatic feeding machine convenient to use is used in production of living beings granule | |
| CN206484957U (en) | A kind of stalk handles briquetting forming machine | |
| CN105173781B (en) | Raw material storage dispensing devices | |
| CN211591456U (en) | Pulverized coal prepressing feeding device and molded coal production equipment with same | |
| CN111993515A (en) | Waste wood processing apparatus | |
| CN201068333Y (en) | Impeller feeder | |
| CN213111684U (en) | Prepressing feeding device capable of discharging gas in coal powder | |
| CN211445647U (en) | Moulded carbon processing system | |
| CN201633232U (en) | Biomass straw briquetting machine | |
| CN108031531B (en) | Coal processing equipment for power plant and coking plant | |
| CN206603931U (en) | A kind of lactic acid bacteria comminutor | |
| CN214563197U (en) | High-efficiency biomass straw briquetting machine | |
| CN220594182U (en) | Raw material pretreatment device of biomass forming machine | |
| CN220257727U (en) | Firework medicine mixer | |
| CN221025373U (en) | Cold material bin for asphalt production feeding |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |