CN214326571U

CN214326571U - Steady flow feeding device of pulverized coal rotor scale

Info

Publication number: CN214326571U
Application number: CN202120195124.5U
Authority: CN
Inventors: 李好哲; 田伟; 王文进
Original assignee: Neixiang Baotianman Cement Co ltd
Current assignee: Neixiang Baotianman Cement Co ltd
Priority date: 2021-01-25
Filing date: 2021-01-25
Publication date: 2021-10-01
Anticipated expiration: 2031-01-25

Abstract

The utility model discloses a buggy rotor scale stationary flow feeder belongs to raw materials conveyer technical field. The utility model provides a buggy rotor scale stationary flow feeder, which comprises a motor, the shaft coupling, the transmission shaft, the adapter sleeve, hopper and impeller, the motor passes through the shaft coupling and links to each other with the transmission shaft, the impeller is connected with the transmission shaft interference, motor drive transmission shaft and impeller are rotatory, pass through bolted connection by the adapter sleeve between hopper and the shaft coupling, the hopper is including holding the material cavity, feed inlet and discharge gate, hold the outside of material cavity parcel at the impeller, feed inlet and discharge gate symmetry set up the both sides of holding the material cavity, discharge gate department sets up material flow sensor, set up single chip microcomputer controller on the motor, material flow sensor and single chip microcomputer controller signal connection. The utility model provides a defeated material in-process blanking flow of traditional batcher be difficult to control, and the easy problem that condenses the blocking of powdery material.

Description

Steady flow feeding device of pulverized coal rotor scale

Technical Field

The utility model relates to a raw materials conveyer field, concretely relates to buggy rotor scale stationary flow feeder.

Background

The feeder is a device for uniform and quantitative feeding in a mechanical automatic single chip microcomputer controller, is widely applied to the industries of environmental protection, metallurgy, chemical industry, refractory materials, electric power, cement, grain, medicine and the like, is an ideal device for controlling and conveying materials such as pulverized coal, cement, raw clinker, grain and the like, is particularly suitable for a pneumatic conveying system of powdery or granular materials, and is necessary to be improved because the pulverized coal belongs to easily water-absorbing caking substances, the conventional feeder is poor in conveying continuity, a rotor is easy to block, and the conventional feeder does not have a real-time metering function.

The utility model discloses a batcher is disclosed in No. CN108116791A in the mandate bulletin, including single chip microcomputer controller, the transmission case, the title body, the hopper and the vibrating device of setting on the hopper, be provided with weighing sensor on the title body, weighing sensor and single chip microcomputer controller signal connection, weighing sensor transmits the weight signal of hopper to single chip microcomputer controller in real time, single chip microcomputer controller calculates the feed flow according to the real-time weight change of hopper, and with feed flow and the contrast of settlement flow, when feed flow is less than the settlement flow, the bridging phenomenon appears in the hopper, then open vibrating device. Because the utility model discloses the intracavity does not set up the gyro wheel, and the material agglomerates easily, and the material blanking under the effect of gravity can not guarantee even stable flow.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims to solve the technical problem that a buggy rotor scale stationary flow feeder is provided, the flow of even whereabouts of material can be stably controlled effectively.

In order to solve the technical problem, the utility model discloses a following technical scheme:

the utility model provides a buggy rotor scale stationary flow feeder, includes motor, shaft coupling, transmission shaft, adapter sleeve, hopper and impeller, the motor passes through the shaft coupling with the transmission shaft links to each other, the impeller with transmission shaft interference is connected, motor drive the transmission shaft with the impeller is rotatory, the hopper with between the shaft coupling by bolted connection is passed through to the adapter sleeve, the hopper is including holding material cavity, feed inlet and discharge gate, hold material cavity parcel and be in the outside of impeller, feed inlet and discharge gate symmetry set up hold the both sides of expecting the cavity, discharge gate department sets up material flow sensor, set up single chip microcomputer controller on the motor, material flow sensor with single chip microcomputer controller signal connection.

The impeller includes pivot and blade, the equipartition sets up a plurality of on the outer peripheral face of pivot the blade, it is adjacent form the fan-shaped cavity that volume size equals between the blade, the pivot through the parallel key with the transmission shaft interference is connected.

Preferably, the motor is a gear reduction motor with the model CH.

Preferably, the material flow sensor is a solid material powder flow sensor with the model number of IR 300.

Preferably, the single-chip microcomputer controller adopts a single-chip microcomputer control chip of model STM32F303CBT 6.

And end covers are respectively arranged at two ends of the impeller and are welded and fixed on the hopper.

The utility model has the advantages that: the utility model adopts the stepless speed change motor as the power source, the lower end of the hopper is provided with the material flow sensor, the motor is provided with the single chip microcomputer controller, the material flow sensor monitors the discharge flow and feeds the discharge flow back to the single chip microcomputer controller, the single chip microcomputer controller controls the motor, and the stepless speed change motor is adopted, so that the rotating speed of the motor can be continuously changed, and the discharge flow can be stably and effectively controlled; the material containing cavity in the hopper is provided with an impeller, the impeller is in interference connection with a transmission shaft, the transmission shaft drives the impeller to rotate, and a fan-shaped cavity is formed between adjacent blades of the impeller, so that the material containing cavity is easy to feed and discharge, the feeding has better continuity, and the powdery material is prevented from being coagulated into blocks; the utility model discloses simple structure, arrange reasonable being fit for extensively promoting.

Drawings

Fig. 1 is a schematic view of the three-dimensional structure of the steady-flow feeding device of the pulverized coal rotor scale of the present invention.

Fig. 2 is a schematic structural diagram of the hopper of the present invention.

Fig. 3 is a schematic structural diagram of the impeller of the present invention.

Fig. 4 is the schematic diagram of the connection structure of the single chip microcomputer controller of the present invention.

Detailed Description

The invention is further described with reference to the following figures and examples.

In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the following description will be made with reference to fig. 1 to 4 of the embodiments of the present invention to clearly and completely describe the technical solution of the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments, which can be derived from the description of the embodiments of the present invention by a person skilled in the art, are within the scope of the present invention.

In fig. 1 to 4, the reference numerals denote:

1. a motor; 2. a coupling; 3. connecting sleeves; 4. a first end cap; 5. a hopper; 6. an impeller; 7. a second end cap; 8. a feed inlet; 9. a discharge port; 10. a material containing cavity; 11. a blade; 12. a keyway; 13. a rotating shaft; 14. a material flow sensor; 15. and a singlechip controller.

The first embodiment is as follows:

as shown in fig. 1, a buggy rotor scale stationary flow feeder, including motor 1, shaft coupling 2, transmission shaft, adapter sleeve 3, hopper 5 and impeller 6, motor 1 adopts the gear reduction motor that the model is CH, motor 1 passes through shaft coupling 2 with the transmission shaft links to each other, hopper 5 with between the shaft coupling 2 by adapter sleeve 3 passes through bolted connection, as shown in fig. 2, hopper 5 is including holding material cavity 10, feed inlet 8 and discharge gate 9, hold material cavity 10 parcel and be in impeller 6's outside, feed inlet 8 and discharge gate 9 symmetry set up hold the both sides of material cavity 10, impeller 6 with the transmission shaft interference is connected, motor 1 drive the transmission shaft with impeller 6 is rotatory.

As shown in fig. 3, impeller 6 includes pivot 13 and blade 11, pivot 13 is hollow cylinder, the both ends of pivot 13 set up

keyway

12, 13 covers of pivot of impeller 6 are established on the transmission shaft to through flat key interference connection, the equipartition sets up a plurality of on the outer peripheral face of pivot 13 blade 11, it is adjacent blade 11 forms the fan-shaped cavity that the volume size equals within a definite time, has easily the feeding and unloads, the feed has better continuity, prevents that the powder material from condensing into performance such as piece.

And a material flow sensor 14 is arranged at the discharge port 9, and the material flow sensor 14 is a solid material powder flow sensor with the model of IR 300. The motor 1 is provided with a single chip microcomputer controller 15, and the single chip microcomputer controller 15 adopts a single chip microcomputer control chip of which the model is STM32F303CBT 6. The material flow sensor 14 is in signal connection with the single chip microcomputer controller 15. The material flow sensor 14 monitors the blanking flow of the hopper 5 and feeds the blanking flow back to the single chip microcomputer controller 15, the single chip microcomputer controller 15 controls the motor 1 and adjusts the rotating speed of the motor, and the motor 1 is a gear reduction motor, so that stepless speed change can be realized, and the blanking flow of the hopper 5 can be stably and continuously adjusted.

Example two:

the coal powder rotor scale steady flow feeding device described in the embodiment is an improvement on the basis of the first embodiment: a first end cover 4 and a second end cover 7 are respectively arranged at two ends of the impeller 6, one end of the first end cover 4 is fixedly connected with the connecting sleeve 3, and the other end of the first end cover is welded on the hopper 5; the second end cap 7 is welded directly to the hopper 5. The hopper is sealed by the first end cover 4 and the second end cover 7, so that the leakage of pulverized coal in the material conveying process can be prevented.

Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and other modifications or equivalent replacements made by the technical solutions of the present invention by those of ordinary skill in the art should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.

Claims

1. The utility model provides a buggy rotor scale stationary flow feeder, includes motor, shaft coupling, transmission shaft, adapter sleeve, hopper and impeller, the motor passes through the shaft coupling with the transmission shaft links to each other, the impeller with the transmission shaft interference is connected, motor drive the transmission shaft with the impeller is rotatory, the hopper with between the shaft coupling by the adapter sleeve passes through bolted connection, its characterized in that: the hopper is including holding material cavity, feed inlet and discharge gate, hold material cavity parcel and be in the outside of impeller, feed inlet and discharge gate symmetry set up hold the both sides of material cavity, discharge gate department sets up material flow sensor, set up single chip microcomputer controller on the motor, material flow sensor with single chip microcomputer controller signal connection.

2. The coal powder rotor scale steady flow feeding device of claim 1, which is characterized in that: the impeller includes pivot and blade, the equipartition sets up a plurality of on the outer peripheral face of pivot the blade, it is adjacent form the fan-shaped cavity that volume size equals between the blade, the pivot through the parallel key with the transmission shaft interference is connected.

3. The coal powder rotor scale steady flow feeding device of claim 1, which is characterized in that: the motor adopts a gear reduction motor with the model CH.

4. The coal powder rotor scale steady flow feeding device of claim 1, which is characterized in that: the material flow sensor is a solid material powder flow sensor with the model number of IR 300.

5. The coal powder rotor scale steady flow feeding device of claim 1, which is characterized in that: the single chip microcomputer controller adopts a single chip microcomputer control chip with the model number of STM32F303CBT 6.

6. The coal powder rotor scale steady flow feeding device of claim 1, which is characterized in that: and end covers are respectively arranged at two ends of the impeller and are welded and fixed on the hopper.