CN213058514U - Powder arch breaking and feeding device - Google Patents

Powder arch breaking and feeding device Download PDF

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Publication number
CN213058514U
CN213058514U CN202020952749.7U CN202020952749U CN213058514U CN 213058514 U CN213058514 U CN 213058514U CN 202020952749 U CN202020952749 U CN 202020952749U CN 213058514 U CN213058514 U CN 213058514U
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China
Prior art keywords
powder
feeding device
scraping blade
arch breaking
blade
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CN202020952749.7U
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Chinese (zh)
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王正林
谢翛然
王莹莹
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Jiangsu Qixiang High New Material Co ltd
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Jiangsu Qixiang High New Material Co ltd
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Abstract

The utility model discloses a powder arch breaking and feeding device, which comprises a storage bin, wherein the closed top of the storage bin is provided with a feeding hole, the bottom of the storage bin is provided with a feed opening, and the device also comprises a spiral feeding device and a stirring device; spiral material feeding unit is including locating the motor at feed bin top, with the speed reducer that motor power take off end connects and with the pivot that speed reducer power take off end links to each other, the pivot passes perpendicularly the top cap of feed bin extends to the bottom of feed bin, the pivot is equipped with helical blade. Through agitating unit, stir the powder in the feed bin, simultaneously through screw conveyor, realize incessant at the uniform velocity pay-off, solved powder and buckled or the phenomenon of bridging, simultaneously, through adjusting screw conveyor's rotational speed, can reach the purpose of dosing.

Description

Powder arch breaking and feeding device
Technical Field
The utility model belongs to the technical field of the powder feeding, a broken feeder that encircles of powder is related to.
Background
The powder is sent into the feed bin from the upper part of the feed bin and then is conveyed to the next procedure through the feeding device at the lower part of the feed bin, and the powder is easy to form an arched material plug above the feed inlet due to the factors of too large friction coefficient between the material and the metal of the feed bin, too large internal friction coefficient between the material, too large cone angle of the feed bin and the like, so that the phenomenon of arching or bridging is generated, and the uneven and even interruption of the feeding is caused.
In the prior art, the method for solving the problem of powder arching or bridging is generally to add a vibrator at the lower part of a stock bin, the vibrator is used for beating the stock bin, so that powder flows out from a material port, however, the vibrator is effective on materials with general fluidity, and has no effect on micro powder with poor fluidity or powder after oil injection, because the granularity of powder materials is smaller, the fluidity is worse, the viscosity of the powder after oil injection is very large, a columnar cavity is formed in the stock bin during blanking, even if the vibrator is added, the bottom of the material is compacted, the material cannot flow out at any point, and then the stock bin materials are stacked more when feeding is caused, so that more materials cannot be added, and the feeding effect is still poor.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to prior art not enough, the utility model is to provide a powder is broken and is encircleed feeder through agitating unit, stirs the powder in the feed bin, simultaneously through spiral material feeding unit, realizes incessant at the uniform velocity pay-off, has solved the powder knot and has encircleed or the phenomenon of bridging, simultaneously, through adjusting spiral material feeding unit's rotational speed, can reach dosing's purpose.
The utility model discloses a realize through following technical scheme:
the arch breaking and feeding device for the powder comprises a storage bin, a spiral feeding device and a stirring device, wherein a feeding hole is formed in the closed top of the storage bin, and a discharging hole is formed in the bottom of the storage bin; spiral material feeding unit is including locating the motor at feed bin top, with the speed reducer that motor power take off end connects and with the pivot that speed reducer power take off end links to each other, the pivot passes perpendicularly the top cap of feed bin extends to the bottom of feed bin, the pivot is equipped with helical blade. Through agitating unit, stir the powder in the feed bin, through spiral material feeding unit, realize incessant at the uniform velocity pay-off simultaneously, solved powder and buckled or the phenomenon of bridging.
Further, agitating unit is located inside the feed bin, locate including the level the diaphragm on pivot upper portion, the diaphragm both ends are vertical to be equipped with first doctor-bar and second doctor-bar. The motor drives the rotating shaft, the rotating shaft drives the stirring device to rotate, and in the rotating process of the stirring device, the first scraping piece and the second scraping piece can play a role in loosening powder to prevent the powder from arching or bridging.
Further, the upper portion of feed bin is the tubular structure, the lower part of feed bin is the back taper tubular structure.
Further, the first scraping blade and the second scraping blade are matched with the inner wall of the storage bin to be bent. The first scraping sheet and the second scraping sheet are bent to be attached to the inner wall of the storage bin, so that the bridging phenomenon between the powder and the inner wall of the storage bin can be effectively reduced.
Furthermore, a reinforcing scraping blade is vertically arranged on a transverse plate between the first scraping blade and the second scraping blade. The reinforced scraping blade can further play a role in loosening the powder, and can support the first scraping blade and the second scraping blade, so that the phenomenon that the first scraping blade and the second scraping blade are bent and deformed due to the resistance of the powder in the rotating process is prevented.
Furthermore, the reinforcing scraping pieces are even and are symmetrically distributed on two sides of the rotating shaft.
Furthermore, one end of the reinforcing scraping piece is fixed to the transverse plate, and the other end of the reinforcing scraping piece is fixed to the first scraping piece or the second scraping piece.
Furthermore, the rotating shaft extends into the feed opening, and the outer diameter of the spiral blade is matched with the inner diameter of the feed opening. When the rotating shaft does not rotate, the powder stops discharging, but when discharging is needed, the rotating shaft is driven by the motor to drive the helical blades to rotate, so that discharging is realized; through motor and speed reducer, adjust the rotational speed of pivot, can realize the quantitative feed of powder.
Furthermore, the plane of the first scraping blade is parallel to the plane of the second scraping blade.
Further, an included angle alpha is formed between the plane of the first scraping blade and the inner wall of the storage bin, and the included angle alpha is 30-60 degrees. The first scraping piece and the plane where the second scraping piece is located and the inner wall of the storage bin form a certain included angle, so that the powder can be stirred more effectively, and the bridging phenomenon among the powder is prevented.
The utility model has the advantages that:
the utility model discloses set up spiral material feeding unit and agitating unit in conventional powder feed bin, through agitating unit, mix the powder in the feed bin, through spiral material feeding unit, realize incessant at the uniform velocity pay-off simultaneously, solved the powder knot and encircleed or the phenomenon of bridging.
The utility model discloses a strengthen the doctor-bar and can further play not hard up effect to the powder, can support first doctor-bar and second doctor-bar simultaneously, prevent at the pivoted in-process, because the resistance of powder leads to first doctor-bar and second doctor-bar to produce the bending deformation phenomenon.
The utility model discloses a pivot extends to in the feed opening, helical blade's external diameter with the internal diameter phase-match of discharge gate. When the rotating shaft does not rotate, the powder stops discharging, but when discharging is needed, the rotating shaft is driven by the motor to drive the helical blades to rotate, so that discharging is realized; through motor and speed reducer, adjust the rotational speed of pivot, can realize the quantitative feed of powder.
The utility model discloses a first doctor-bar and second doctor-bar place plane with the inner wall of feed bin forms certain contained angle, can mix the powder more effectively, prevents the bridging phenomenon between the powder.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a schematic diagram of an included angle formed between a first doctor blade and an inner wall of a storage bin;
the device comprises a storage bin 1, a feeding hole 2, a discharging hole 3, a motor 41, a speed reducer 42, a rotating shaft 43, a spiral blade 44, a transverse plate 51, a first scraping sheet 52, a second scraping sheet 53 and a reinforcing scraping sheet 54.
Detailed Description
The present invention will be further described with reference to the following embodiments in conjunction with the accompanying drawings.
As shown in fig. 1, the powder arch breaking and feeding device comprises a storage bin 1, a feeding hole 2 is formed in the closed top of the storage bin 1, a discharging hole 3 is formed in the bottom of the storage bin 1, and the powder arch breaking and feeding device further comprises a spiral feeding device and a stirring device; spiral material feeding unit is including locating the motor 41 at feed bin 1 top, the pivot 43 that links to each other with the speed reducer 42 and with speed reducer 42 power take off end that motor 41 power take off end is connected, and pivot 43 passes feed bin 1's top cap perpendicularly, extends to the bottom of feed bin 1, and pivot 43 is equipped with helical blade 44, and in this embodiment, pivot 43 extends to feed opening 3 in, helical blade 44's external diameter and the internal diameter phase-match of feed opening 3. Through agitating unit, stir the powder in the feed bin, through spiral material feeding unit, realize incessant at the uniform velocity pay-off simultaneously, solved powder and buckled or the phenomenon of bridging. When the rotating shaft does not rotate, the powder stops discharging, but when discharging is needed, the rotating shaft is driven by the motor to drive the helical blades to rotate, so that discharging is realized; through motor and speed reducer, adjust the rotational speed of pivot, can realize the quantitative feed of powder.
In this embodiment, the stirring device is located inside the bin 1, and includes a horizontal plate 51 horizontally disposed on the upper portion of the rotating shaft 43, and a first scraping blade 52 and a second scraping blade 53 are vertically disposed at two ends of the horizontal plate 51. The motor drives the rotating shaft, the rotating shaft drives the stirring device to rotate, and in the rotating process of the stirring device, the first scraping piece and the second scraping piece can play a role in loosening powder to prevent the powder from arching or bridging. As shown in fig. 1, the upper part of the storage bin 1 is a cylindrical structure, and the lower part of the storage bin 1 is an inverted cone cylindrical structure. The first wiper blade 52 and the second wiper blade 53 are curved in cooperation with the inner wall of the cartridge 1. The first scraping sheet and the second scraping sheet are bent to be attached to the inner wall of the storage bin, so that the bridging phenomenon between the powder and the inner wall of the storage bin can be effectively reduced. A reinforcing blade 54 is vertically disposed on the horizontal plate 51 between the first and second blades 52, 53. Two reinforcing blades 54 are arranged and are symmetrically distributed on two sides of the rotating shaft 43. The two reinforcing blades 54 are fixed to the cross plate 51 at one end and to the first blade 52 and the second blade 53 at the other end, respectively. The reinforced scraping blade can further play a role in loosening the powder body, and can support the first scraping blade and the second scraping blade simultaneously, so that the phenomenon that the first scraping blade and the second scraping blade are bent and deformed due to the resistance of the powder body in the rotating process is prevented. The first blade 52 is positioned in a plane parallel to the plane of the second blade 53, as shown in fig. 2. The plane of the first wiper blade 52 forms an angle α with the inner wall of the silo 1, which may be 30-60 °. The first scraping piece and the plane where the second scraping piece is located and the inner wall of the storage bin form a certain included angle, so that the powder can be stirred more effectively, and the bridging phenomenon among the powder is prevented.
The utility model discloses a theory of operation: the powder is batched to the feed bin 1 by the feed inlet 2, closes the feed inlet 2, opens the feed opening 3, opens motor 41, according to the rotational speed that has set for, drive spiral feeding device and agitating unit, with the incessant transport of powder to next process, as required, opens or closes the motor, reaches the purpose of pause or lasting feed.

Claims (10)

1. The arch breaking and feeding device for the powder comprises a storage bin (1), wherein a feeding hole (2) is formed in the closed top of the storage bin (1), and a discharging hole (3) is formed in the bottom of the storage bin (1), and is characterized by further comprising a spiral feeding device and a stirring device; spiral material feeding unit is including locating motor (41) at feed bin (1) top, with speed reducer (42) that motor (41) power take off end connects and with pivot (43) that speed reducer (42) power take off end links to each other, pivot (43) pass perpendicularly the top cap of feed bin (1) extends to the bottom of feed bin (1), pivot (43) are equipped with helical blade (44).
2. The powder arch breaking and feeding device of claim 1, wherein: the stirring device is positioned in the storage bin (1) and comprises a horizontal transverse plate (51) arranged on the upper portion of the rotating shaft (43), and a first scraping blade (52) and a second scraping blade (53) are vertically arranged at two ends of the transverse plate (51).
3. The powder arch breaking and feeding device of claim 1, wherein: the upper portion of feed bin (1) is the tubular structure, the lower part of feed bin (1) is the back taper tubular structure.
4. The powder arch breaking and feeding device of claim 2, wherein: the first scraping blade (52) and the second scraping blade (53) are matched with the inner wall of the storage bin (1) to be bent.
5. The powder arch breaking and feeding device according to any one of claims 2 or 4, wherein: and a reinforcing scraping blade (54) is vertically arranged on a transverse plate (51) between the first scraping blade (52) and the second scraping blade (53).
6. The powder arch breaking and feeding device of claim 5, wherein: the reinforcing scraping blades (54) are even in number and are symmetrically distributed on two sides of the rotating shaft (43).
7. The powder arch breaking and feeding device of claim 5, wherein: one end of the reinforcing scraping blade (54) is fixed on the transverse plate (51), and the other end of the reinforcing scraping blade is fixed on the first scraping blade (52) or the second scraping blade (53).
8. The powder arch breaking and feeding device of claim 1, wherein: the rotating shaft (43) extends into the feed opening (3), and the outer diameter of the spiral blade (44) is matched with the inner diameter of the feed opening (3).
9. The powder arch breaking and feeding device of claim 2, wherein: the plane of the first wiper blade (52) is parallel to the plane of the second wiper blade (53).
10. The powder arch breaking and feeding device of claim 9, wherein: the plane of the first scraping blade (52) forms an included angle alpha with the inner wall of the storage bin (1), and the included angle alpha is 30-60 degrees.
CN202020952749.7U 2020-05-30 2020-05-30 Powder arch breaking and feeding device Active CN213058514U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020952749.7U CN213058514U (en) 2020-05-30 2020-05-30 Powder arch breaking and feeding device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020952749.7U CN213058514U (en) 2020-05-30 2020-05-30 Powder arch breaking and feeding device

Publications (1)

Publication Number Publication Date
CN213058514U true CN213058514U (en) 2021-04-27

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113479496A (en) * 2021-07-05 2021-10-08 山东沾化民恒环保材料有限公司 Automatic clear stifled device in former coal bunker convenient to adjust
CN113790462A (en) * 2021-09-08 2021-12-14 煤科院节能技术有限公司 Biomass powder fuel storage and supply device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113479496A (en) * 2021-07-05 2021-10-08 山东沾化民恒环保材料有限公司 Automatic clear stifled device in former coal bunker convenient to adjust
CN113479496B (en) * 2021-07-05 2022-08-05 山东沾化民恒环保材料有限公司 Automatic clear stifled device in former coal bunker convenient to adjust
CN113790462A (en) * 2021-09-08 2021-12-14 煤科院节能技术有限公司 Biomass powder fuel storage and supply device

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