Spiral feeding device for stock bin

Abstract

The utility model belongs to the field of refractory brick production, and discloses a spiral feeding device for a stock bin, which comprises a stock bin body, a box cylinder assembly obliquely arranged on one side of the stock bin body and used for conveying powder in a closed manner, and a feeding assembly arranged in the box cylinder assembly and used for spirally lifting the powder, the bottom of the box cylinder assembly is provided with a linkage assembly used for stirring the powder flowing down smoothly in a linkage mode; the feeding assembly comprises a first rotating shaft, spiral blades are circumferentially arranged on the first rotating shaft, a motor is arranged at the top end of the first rotating shaft, and a first bevel gear is installed at the bottom end of the first rotating shaft. The linkage assembly comprises a fixing frame, a transmission mechanism is arranged at one end of the fixing frame, and a stirring mechanism is arranged at the end, away from the transmission mechanism, of the fixing frame. According to the spiral feeding device of the stock bin, the stirring rod is driven to rotate through the bevel gear set at the tail end of the first rotating shaft, accumulation of powder in the feeding cylinder is actively damaged, the bridging phenomenon caused by moisture or static electricity of the powder is effectively prevented, and it is guaranteed that the powder flows downwards smoothly.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of refractory brick production, especially relates to a stock bin spiral feeding device. BACKGROUND

[0002] In the production process of refractory bricks, the stock bin spiral feeding device plays a crucial role, and its design and technical innovation directly affect the production efficiency, raw material utilization rate, and stability of the equipment. This device is mainly used to continuously and uniformly transport refractory raw materials from the stock bin to the production equipment, ensuring smooth operation of the production line. Traditional feeding methods often have low efficiency, serious dust pollution, and raw material waste. In order to solve these problems, modern refractory brick production enterprises have introduced a variety of innovative spiral feeding technologies. The innovation and application of the stock bin spiral feeding device in the production of refractory bricks not only improves production efficiency and raw material utilization, but also improves the production environment and reduces equipment maintenance costs. These technological advances provide more efficient, stable, and environmentally friendly solutions for refractory brick production enterprises, promoting the development of the entire industry.

[0003] The Chinese patent with publication number CN211492134U discloses a light-weight refractory brick raw material feeding device, which is provided with a feeding bin on the rack; the top of the feeding bin is provided with a feeding port; the bottom of the feeding bin is connected to a discharge pipe; the discharge pipe is connected to the bottom of the screw elevator; the bottom of the screw elevator is provided with an elevator motor; one side of the top of the screw elevator is provided with an elevator discharge port; the elevator discharge port is arranged in the discharge bin; the lower part of the discharge bin is provided with a discharge pipe; the screw elevator is connected to the rack through the elevator shaft; the lower part of the screw elevator is connected to the hydraulic telescopic rod through the telescopic rod connector; the hydraulic telescopic rod is transversely arranged on the rack, solving the problem of low working efficiency of the refractory brick feeding device.

[0004] However, the above-mentioned patent only has powder in the feeding bin, lacks a stirring mechanism, and the powder can only flow automatically by its own gravity, which can easily cause the "arch bridge" phenomenon due to moisture or static electricity, and cannot guarantee that the powder flows completely smoothly, so a new device needs to be designed. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a stock bin spiral feeding device to solve the problems raised in the background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] A kind of bin screw feeding device, including bin body, the bin body one side is inclinedly provided with box cylinder assembly for closing conveying powder material, further including the feeding assembly for screw lifting powder material arranged in the box cylinder assembly, the bottom of the box cylinder assembly is provided with linkage assembly for linkage stirring smooth powder material flowing;The feeding assembly includes first rotating shaft, the first rotating shaft is peripherally provided with spiral blade, the top of the first rotating shaft is provided with motor, the bottom of the first rotating shaft is installed with first bevel gear;The linkage assembly includes fixed frame, one end of the fixed frame is provided with transmission mechanism, the end of the fixed frame away from the transmission mechanism is provided with stirring mechanism.

[0008] Further: the box cylinder assembly includes box cylinder body, the top of the box cylinder body is provided with discharge pipe, the bottom of the box cylinder body is provided with feeding mechanism, the bottom end of the box cylinder body is installed with sealing cover.

[0009] Further: the feeding mechanism includes feeding cylinder, the lower surface of the feeding cylinder is provided with feeding pipe, taper transition is adopted between the feeding cylinder and the feeding pipe.

[0010] Further: the spiral blade and the first rotating shaft are welded together, the first bevel gear and the first rotating shaft are connected by flat key.

[0011] Further: the transmission mechanism includes second rotating shaft, the bottom end of the second rotating shaft is installed with second bevel gear, the top of the second rotating shaft is provided with belt transmission;The stirring mechanism includes third rotating shaft connected by the belt transmission between the top of the second rotating shaft and the third rotating shaft, and a plurality of stirring rods are uniformly distributed on the bottom of the third rotating shaft.

[0012] Further: the stirring rods are provided with three layers from top to bottom, and the rotating diameters are sequentially reduced, and four stirring rods are arranged on the third rotating shaft in each layer.

[0013] Compared with prior art, the beneficial effects are:

[0014] 1, the bevel gear set at the end of the first rotating shaft drives the stirring rod to rotate, actively breaks the accumulation of powder material in the feeding cylinder, effectively prevents the "bridge" phenomenon caused by moisture or static electricity of powder material, and ensures the smooth flow of powder material;

[0015] 2, three layers of stirring rods adopt the layout of rotating diameters decreasing (4 in each layer), form gradient stirring force, cover powder layers at different heights, avoid local excessive resistance, and ensure uniformity of discharging;

[0016] 3, motor directly drives spiral blade to rotate and push powder material, inclined box cylinder design combines taper transition feeding mechanism, reduces powder backflow, and improves vertical conveying speed;The same motor is used to drive screw feeding and stirring mechanism simultaneously, without additional power source, reduce energy consumption and simplify control system;

[0017] 4. The closed box, the sealing cover at the bottom, and the conical transition design of the feeding mechanism reduce powder dispersion, making it especially suitable for fine powder materials and greatly improving the dust generation of raw materials. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the structure of a silo screw feeding device according to the present invention;

[0019] Figure 2 This is a schematic diagram of the box cylinder assembly of a silo screw feeding device according to the present invention;

[0020] Figure 3 This is a schematic diagram of the feeding component of a silo screw feeder according to the present invention;

[0021] Figure 4 This is a schematic diagram of the linkage components of a silo screw feeding device according to the present invention;

[0022] Figure 5 This is a front view of the linkage component of a silo screw feeding device according to the present invention.

[0023] In the attached drawings, the following are the reference numerals: 101, box body; 102, discharge pipe; 103, sealing cover; 104, feed cylinder; 105, feed pipe; 201, first rotating shaft; 202, spiral blade; 203, electric motor; 204, first bevel gear; 301, fixed frame; 302, second rotating shaft; 303, second bevel gear; 304, belt drive; 305, third rotating shaft; 306, stirring rod; 4, hopper body. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] Please see Figures 1-5 A silo screw feeding device includes a silo body 4, a box assembly for enclosing and conveying powder is inclinedly arranged on one side of the silo body 4, a feeding component for screw lifting of powder is arranged inside the box assembly, and a linkage component for linkage stirring to smoothly flow the powder is arranged at the bottom of the box assembly.

[0026] In the embodiment, the box cylinder assembly comprises a box cylinder body 101, the top of the box cylinder body 101 is provided with a discharge pipe 102, the bottom of the box cylinder body 101 is provided with a feeding mechanism, and the bottom end of the box cylinder body 101 is installed with a sealing cover 103; the feeding mechanism comprises a feeding cylinder 104, the lower surface of the feeding cylinder 104 is provided with a feeding pipe 105, and the feeding cylinder 104 and the feeding pipe 105 are transitioned by a conical surface; the powder is poured into the feeding cylinder 104, the powder freely falls under the action of gravity, enters the bottom of the box cylinder body 101 through the feeding pipe 105, and the powder rises along the box cylinder body 101 and falls into the bin body 4 from the discharge pipe 102.

[0027] In the embodiment, the feeding assembly comprises a first rotating shaft 201, the circumference of the first rotating shaft 201 is provided with a spiral blade 202, the top end of the first rotating shaft 201 is provided with a motor 203, and the bottom end of the first rotating shaft 201 is installed with a first bevel gear 204; the spiral blade 202 and the first rotating shaft 201 are welded together, and the first bevel gear 204 and the first rotating shaft 201 are connected by a key; the motor 203 drives the first rotating shaft 201 to rotate, drives the spiral blade 202 to rotate and pushes the powder to rise along the box cylinder body 101, and at the same time, the first bevel gear 204 at the bottom end of the first rotating shaft 201 is driven to rotate and meshes with the second bevel gear 303 to rotate.

[0028] In the embodiment, the linkage assembly comprises a fixed frame 301, one end of the fixed frame 301 is provided with a transmission mechanism, and the end, away from the transmission mechanism, of the fixed frame 301 is provided with a stirring mechanism; the transmission mechanism comprises a second rotating shaft 302, the bottom end of the second rotating shaft 302 is installed with a second bevel gear 303, and the top end of the second rotating shaft 302 is provided with a belt transmission 304; the stirring mechanism comprises a third rotating shaft 305 connected with the second rotating shaft 302 through the belt transmission 304 at the top end, and a plurality of stirring rods 306 are uniformly distributed at the bottom of the third rotating shaft 305; the stirring rods 306 are provided with three layers from top to bottom, and the rotating diameters are sequentially reduced, and four stirring rods 306 are arranged at each layer along the third rotating shaft 305; the first bevel gear 204 at the bottom end of the first rotating shaft 201 is driven to rotate and meshes with the second bevel gear 303 to rotate, under the support of the fixed frame 301, the second bevel gear 303 drives the second rotating shaft 302 to rotate, drives the third rotating shaft 305 to rotate the stirring rods 306 through the belt transmission 304, so that the stirring rods 306 stir the powder in the feeding cylinder 104 and the feeding pipe 105, avoids the powder from forming a bridge when flowing down, and ensures the smooth flow of the powder.

[0029] Working principle: the powder is poured into the feeding cylinder 104, the powder falls freely under the action of gravity, enters the bottom of the box cylinder 101 through the feeding pipe 105, the box cylinder 101 supports the motor 203 to drive the first rotating shaft 201 to rotate, drives the spiral blade 202 to rotate and push the powder to ascend along the box cylinder 101, and falls into the bin body 4 from the discharge pipe 102, at the same time, the first rotating shaft 201 drives the first bevel gear 204 at the bottom to rotate, engages the second bevel gear 303 to rotate, under the support of the fixed frame 301, the second bevel gear 303 drives the second rotating shaft 302 to rotate, drives the third rotating shaft 305 to rotate through the belt drive 304, and stirs the rod 306, so that the stirring rod 306 stirs the powder in the feeding cylinder 104 and the feeding pipe 105, avoids the powder from forming a bridge when flowing down, and ensures that the powder flows down smoothly.

[0030] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A silo screw feeding device, comprising a silo body (4) which is provided on one side with a box cylinder assembly for closing the conveying of powder material, characterized in that: Also include the box cylinder assembly inside the setting for screw lifting powder feeding assembly, the box cylinder assembly bottom is provided with linkage assembly for linkage smooth down flow powder stirring; The feeding assembly includes a first rotating shaft (201), the first rotating shaft (201) is provided with a spiral blade (202), the first rotating shaft (201) top is provided with a motor (203), the first rotating shaft (201) bottom is installed with a first bevel gear (204); The linkage assembly includes a fixed frame (301), one end of the fixed frame (301) is provided with a transmission mechanism, the fixed frame (301) away from the transmission mechanism end is provided with a stirring mechanism.

2. A screw feeder for a silo according to claim 1, characterized in that: The box cylinder assembly includes a box cylinder body (101), the box cylinder body (101) top is provided with a discharge pipe (102), the box cylinder body (101) bottom is provided with a feeding mechanism, the box cylinder body (101) bottom end is installed with a sealing cover (103).

3. A screw feeder for a silo according to claim 2, characterized in that: The feeding mechanism includes a feeding cylinder (104), the feeding cylinder (104) is provided with a feeding pipe (105) below, the feeding cylinder (104) and the feeding pipe (105) adopt taper transition.

4. The screw feeder according to claim 1, wherein: The spiral blade (202) and the first rotating shaft (201) are welded together, the first bevel gear (204) and the first rotating shaft (201) are connected by flat key.

5. A screw feeder for a silo according to claim 1, characterized in that: The transmission mechanism includes a second rotating shaft (302), the second rotating shaft (302) bottom end is installed with a second bevel gear (303), the second rotating shaft (302) top is provided with a belt drive (304); The stirring mechanism includes a third rotating shaft (305) connected with the second rotating shaft (302) through the belt drive (304), the third rotating shaft (305) bottom is uniformly distributed with a plurality of stirring rods (306).

6. A screw feeder for a bin according to claim 5, wherein: The stirring rod (306) is provided with three layers from top to bottom, the rotating diameter decreases in turn, each layer of the stirring rod (306) is provided with four along the third rotating shaft (305).

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