Maintenance-free long-distance rotating plate powder feeder

Abstract

The utility model discloses a maintenance-free long-distance rotating plate powder feeder, which belongs to the technical field of powder conveying equipment and comprises a hopper and a stirring mechanism, a conveying pipe is arranged at one end of the bottom of the hopper, a mounting pipe is arranged at the other end of the bottom of the hopper, a conveying component is arranged in the conveying pipe, and the stirring mechanism is positioned on the inner wall of the hopper. Through the sliding fit of the limiting groove and the closed ring, the sealing performance of the cleaning hole can be ensured during conveying, materials are prevented from permeating into the cleaning hole, and during cleaning, the position of the closed ring is axially adjusted by rotating the operating rod to open the cleaning hole, and after the cleaning hole is connected with external equipment through the three-way pipe, the cleaning hole is cleaned. According to the self-cleaning spiral conveyor, caked materials among the spiral blades can be scoured through high-pressure gas or high-pressure water flow, internal drying is accelerated through hot air, the self-cleaning function is achieved, the conveying, cleaning and drying functions are integrated, blockage caused by material hardening is prevented, and then the effect of being free of disassembly and maintenance is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to powder conveying equipment technical field especially relates to a maintenance -free long -distance spiral plate powder feeder. BACKGROUND

[0002] The spiral plate powder feeder is a kind of equipment for conveying powder or granular material, also called powder screw conveyor, including long-distance spiral plate powder feeder, the working principle of long-distance spiral plate powder feeder is same with spiral plate powder feeder, but the conveying assembly is much longer than the spiral plate powder feeder of usual;

[0003] The existing long-distance spiral plate powder feeder when working in the environment with higher humidity, material is easily attached to the inner wall of pipeline and spiral blade surface and caked, caking phenomenon is serious and can jam spiral blade, need to be cleaned;

[0004] But the length of the conveying assembly of long-distance spiral plate powder feeder is longer, so that staff is difficult to clean, needs to be regularly disassembled conveying assembly and is maintained, avoids that material is seriously caked and jams spiral blade, simultaneously, the length of conveying assembly is longer and also leads to disassembly difficulty when maintaining;

[0005] Therefore, a maintenance-free long-distance spiral plate powder feeder is provided to solve the above problems. UTILITY MODEL CONTENTS

[0006] The utility model discloses a kind of maintenance-free long-distance spiral plate powder feeders to solve the problems that long-distance spiral plate powder feeder needs to be regularly disassembled conveying assembly in prior art and is maintained.

[0007] To achieve the above object, the utility model adopts the following technical scheme:

[0008] A kind of maintenance-free long-distance spiral plate powder feeder, including hopper and stirring mechanism, one end of the hopper bottom is provided with conveying pipe, another end of the hopper bottom is provided with mounting pipe, conveying assembly is provided in the conveying pipe, the stirring mechanism is located the inner wall of hopper;

[0009] The conveying assembly includes semi-open hollow rotating rod, the open end of the hollow rotating rod is fixedly installed in mounting pipe, the closed end of the hollow rotating rod is connected with driving assembly, the outer wall of the hollow rotating rod is fixedly installed with spiral blade, screw rod is provided in the hollow rotating rod.

[0010] Preferably, shaft sleeve is fixedly installed in the mounting pipe, three-way pipe is fixedly connected on the side of mounting pipe away from hopper, threaded sealing sleeve is rotatably connected on the end of three-way pipe away from mounting pipe.

[0011] Preferably, multiple cleaning holes are formed in the outer wall of the hollow rotating rod, multiple limiting grooves are formed in the inner wall of the hollow rotating rod.

[0012] Preferably, the driving assembly comprises a flange plate, one side of the flange plate is connected with the conveying pipe flange, and the other side of the flange plate is fixedly connected with a driving motor, and the driving motor is connected with the hollow rotating rod through the flange plate.

[0013] Preferably, one end of the screw rod is rotationally connected with the closed end in the hollow rotating rod, the other end of the screw rod is fixedly connected with the operating rod through a threaded sealing sleeve, and the rod body of the screw rod is provided with a plurality of closed rings matched with the cleaning holes.

[0014] Preferably, the center of the closed ring is provided with a threaded sleeve, the outer wall of the threaded sleeve is fixedly connected with the inner wall of the closed ring through a support rod, and the outer wall of the closed ring is fixedly connected with a limiting block matched with a limiting groove.

[0015] Compared with the prior art, the utility model has the beneficial effects that:

[0016] 1、The utility model discloses a conveying assembly, and the sliding cooperation of the limiting groove and the closed ring can ensure the sealing property of the cleaning hole during conveying, avoids that the material penetrates into the inside, and when cleaning, the position of the closed ring is adjusted axially through the rotating operating rod to make the cleaning hole open, after connecting external equipment through the tee joint, high-pressure gas or high-pressure water flow can be used to flush the caked material between the spiral blades, and the drying inside can be accelerated through hot air, so that the self-cleaning function is realized, the conveying, cleaning and drying functions are integrated, the blockage caused by the material caking is prevented, and the effect of being free from disassembly and maintenance is realized. ACCURACY OF DRAWINGS

[0017] Figure 1 A three-dimensional structure schematic view of the utility model is provided.

[0018] Figure 2 A three-dimensional structure sectional view of the utility model is provided.

[0019] Figure 3 A structure sectional view of the hollow rotating rod in the utility model is provided.

[0020] Figure 4 A structure sectional view of the installation pipe in the utility model is provided.

[0021] Figure 5 A structure schematic view of the cleaning hole in the utility model in a closed state is provided.

[0022] Figure 6The utility model provides a kind of maintenance-free long-distance rotary plate powder feeder structure diagram in the open state of cleaning hole.

[0023] In the drawing: 1, hopper; 2, stirring mechanism; 3, conveying pipe; 4, mounting pipe; 5, hollow rotating rod; 6, spiral blade; 7, screw rod; 8, shaft sleeve; 9, tee; 10, threaded sealing sleeve; 11, cleaning hole; 12, limiting groove; 13, flange plate; 14, driving motor; 15, control rod; 16, closed ring; 17, threaded sliding sleeve; 18, limiting lug. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0025] Reference Figures 1-6 A maintenance-free long-distance rotary plate powder feeder includes a hopper 1 and a stirring mechanism 2. One end of the bottom of the hopper 1 is provided with a conveying pipe 3, and the other end of the bottom of the hopper 1 is provided with a mounting pipe 4. A conveying assembly is arranged in the conveying pipe 3. The stirring mechanism 2 is located on the inner wall of the hopper 1.

[0026] The conveying assembly includes a semi-open hollow rotating rod 5. The open end of the hollow rotating rod 5 is fixedly installed in the mounting pipe 4. The closed end of the hollow rotating rod 5 is connected with a driving assembly. The outer wall of the hollow rotating rod 5 is fixedly installed with a spiral blade 6. A screw rod 7 is arranged in the hollow rotating rod 5.

[0027] Further, the shaft sleeve 8 is fixedly installed in the mounting pipe 4. The tee 9 is fixedly connected to the side of the mounting pipe 4 away from the hopper 1. The threaded sealing sleeve 10 is rotatably connected to the end of the tee 9 away from the mounting pipe 4.

[0028] It should be noted that, in use, the open end of the tee 9 needs to be closed with a plug in the prior art. When cleaning, the open end of the tee 9 can be connected to a high-pressure air pump or a high-pressure water pump through a pipeline according to the actual situation.

[0029] Further, a plurality of cleaning holes 11 are formed in the outer wall of the hollow rotating rod 5. A plurality of limiting grooves 12 are formed in the inner wall of the hollow rotating rod 5 for sliding of the closed ring 16.

[0030] It should be noted that the cleaning holes 11 are formed between the blades of the spiral blade 6.

[0031] Further, the driving assembly comprises a flange plate 13, one side of the flange plate 13 is connected with the flange of the conveying pipe 3, and the other side of the flange plate 13 is fixedly connected with a driving motor 14, and the driving motor 14 is connected with the hollow rotating rod 5 through the flange plate 13.

[0032] Further, one end of the lead screw 7 is rotationally connected with the closed end of the hollow rotating rod 5, the other end of the lead screw 7 is fixedly connected with a control rod 15 through a threaded sealing sleeve 10, the rod body of the lead screw 7 is provided with a plurality of closed rings 16 matched with the cleaning holes 11, the center of the closed ring 16 is provided with a threaded sleeve 17, the outer wall of the threaded sleeve 17 is fixedly connected with the inner wall of the closed ring 16 through a supporting rod, and the outer wall of the closed ring 16 is fixedly connected with a limiting block 18 matched with a limiting groove 12.

[0033] The above-mentioned further advantage is that when cleaning is needed, the operator rotates the control rod 15 counterclockwise to rotate the lead screw 7, the lead screw 7 drives the closed ring 16 to move towards the flange plate 13 when rotating, so that the cleaning hole 11 is opened, then the high-pressure air pump or the water pump is opened, the airflow or the water flow enters the hollow rotating rod 5 from the three-way pipe 9 and is sprayed to the blades of the spiral blade 6 from the cleaning hole 11, so that the caked material adhered to the surface is washed away, the cleaning effect of the spiral blade 6 is realized, after cleaning is completed, the hot air pipeline can be connected with the three-way pipe 9, the drying speed of the spiral blade 6 and the inner wall of the conveying pipe 3 is improved, the conveying assembly does not need to be disassembled for maintenance, and the maintenance-free effect is realized.

[0034] When the utility model is in use, the power is turned on to drive the hollow rotating rod 5 to rotate under the driving of the driving motor 14, then the staff puts the powdery material into the hopper 1, the material is scattered by the stirring mechanism 2 after entering the hopper 1, so that subsequent conveying is facilitated, after the material enters the bottom of the hopper 1, the material is conveyed to the conveying end of the conveying pipe 3 through the spiral blade 6, if the discharging rate is reduced, it indicates that the conveying pipe 3 is blocked, and the severity of the blockage can be judged according to the degree of the reduction of the discharging rate.

[0035] If the blockage is not serious, the material feeding is suspended, the remaining material is output, the driving motor 14 is stopped, the high-pressure air pump in the prior art is connected with the three-way pipe 9, then the operator rotates the lead screw 7 by rotating the control rod 15 counterclockwise, the lead screw 7 drives the closed ring 16 to slide towards the flange plate 13 to the state shown in the drawing, so that the cleaning hole 11 is opened, this is the opening mode of the cleaning hole 11, and details are not repeated in the following text, then the high-pressure air pump is opened, the airflow enters the hollow rotating rod 5 from the three-way pipe 9 and is sprayed to the blades of the spiral blade 6 from the cleaning hole 11, so that the caked material adhered to the surface of the spiral blade 6 is blown away, after blowing is completed, the control rod 15 is reversely rotated to reset the closed ring 16 to the state shown in the drawing, so that the cleaning hole 11 is closed, then the driving motor 14 is restarted to continue conveying the material. Figure 6 Figure 5 ​​

[0036] If the degree of blockage is serious, the high-pressure air pump in the prior art is connected with the tee pipe 9, the conveying is suspended, the cleaning hole 11 is opened by operating the operating rod 15, the caked material between the spiral blades 6 is flushed by high-pressure water flow, after flushing, the water pipe in the prior art is disassembled, the hot air pipe in the prior art is connected with the tee pipe 9, the drying speed in the inside of the caking conveying pipe 3 and the spiral blades 6 is increased by hot air, the self-cleaning function is realized, the blockage caused by material hardening is prevented, so that the conveying assembly does not need to be disassembled for maintenance, the maintenance-free effect is realized.

[0037] The above is only the preferred specific implementation of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A maintenance-free long-distance rotary plate powder feeder comprising a hopper (1) and a stirring mechanism (2), characterized in that, One end of the bottom of the hopper (1) is provided with a conveying pipe (3), the other end of the bottom of the hopper (1) is provided with a mounting pipe (4), the conveying pipe (3) is provided with a conveying assembly, the stirring mechanism (2) is located on the inner wall of the hopper (1); The conveying assembly comprises a semi-open hollow rotating rod (5), the open end of the hollow rotating rod (5) is fixedly installed in the mounting pipe (4), the closed end of the hollow rotating rod (5) is connected with a driving assembly, the outer wall of the hollow rotating rod (5) is fixedly installed with a spiral blade (6), and the hollow rotating rod (5) is provided with a lead screw (7).

2. A maintenance-free long-distance rotary plate powder feeder according to claim 1, characterized in that: The mounting pipe (4) is fixedly installed with a shaft sleeve (8), the side of the mounting pipe (4) away from the hopper (1) is fixedly connected with a three-way pipe (9), and the end of the three-way pipe (9) away from the mounting pipe (4) is rotatably connected with a threaded sealing sleeve (10).

3. A maintenance-free long-distance rotary plate powder feeder according to claim 1, characterized in that: The outer wall of the hollow rotating rod (5) is provided with a plurality of cleaning holes (11), and the inner wall of the hollow rotating rod (5) is provided with a plurality of limiting grooves (12).

4. A maintenance-free long-distance rotary plate powder feeder according to claim 1, characterized in that: The driving assembly comprises a flange plate (13), one side of the flange plate (13) is connected with the flange of the conveying pipe (3), the other side of the flange plate (13) is fixedly connected with a driving motor (14), and the driving motor (14) is connected with the hollow rotating rod (5) through the flange plate (13).

5. A maintenance-free long-distance rotary plate powder feeder according to claim 3, characterized in that: One end of the lead screw (7) is rotatably connected with the closed end of the hollow rotating rod (5), the other end of the lead screw (7) is fixedly connected with a control rod (15) through the threaded sealing sleeve (10), and a plurality of closed rings (16) matched with the cleaning holes (11) are arranged on the rod body of the lead screw (7).

6. A maintenance-free long-distance rotary plate powder feeder according to claim 5, characterized in that: The center of the inside of the closed ring (16) is provided with a threaded sleeve (17), the outer wall of the threaded sleeve (17) is fixedly connected with the inner wall of the closed ring (16) through a supporting rod, and the outer wall of the closed ring (16) is fixedly connected with a limiting protrusion (18) matched with the limiting groove (12).

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