CN215624952U

CN215624952U - Quantitative belt type coal feeder

Info

Publication number: CN215624952U
Application number: CN202121401723.4U
Authority: CN
Inventors: 王利波
Original assignee: Xinxiang Weiyuan Machinery Co ltd
Current assignee: Xinxiang Weiyuan Machinery Co ltd
Priority date: 2021-06-23
Filing date: 2021-06-23
Publication date: 2022-01-25
Anticipated expiration: 2031-06-23

Abstract

The utility model discloses a quantitative belt type coal feeder, which comprises a bracket, wherein a conveying belt is arranged at the upper part of the bracket; a guide chute is fixed on the upper part of the bracket through a support column, an opening at the lower side of the guide chute is attached to the upper surface of the conveying belt, one side of the guide chute facing the moving direction of the conveying belt is open, the other side of the guide chute is closed, a hopper is arranged on the upper part of the guide chute, a spiral feeder is arranged at the bottom of a bin of the hopper, a discharge port is arranged on one side of the hopper corresponding to the spiral feeder, and a metering device is arranged below the guide chute corresponding to the discharge port; metering device includes the bottom plate, and the upper portion of bottom plate is connected with the dummy hopper through weighing sensor, and the one end of bottom plate is equipped with the pivot, and the both ends of pivot are connected with the double-phase opposite side wall rotation of baffle box, and the bottom surface of bottom plate is kept away from one side symmetry of pivot and is equipped with two sets of pneumatic cylinders, and two sets of pneumatic cylinders can drive the dummy hopper and revolute the rotation of axes. The coal feeder is convenient to use, can realize quantitative material conveying and accurately control the coal feeding amount.

Description

Quantitative belt type coal feeder

Technical Field

The utility model relates to the technical field of quantitative belt type coal feeders, in particular to a quantitative belt type coal feeder.

Background

As is known, a coal feeder is a raw coal conveying machine that regulates the amount of coal entering a coal mill. The prior coal feeder has the following defects in the use process: firstly, due to the fact that coal powder is easy to agglomerate, weighing is unstable, and metering accuracy is poor; and secondly, an electronic belt scale is arranged below the conveying and metering belt, the weighing sensor generates an electric signal proportional to the weight of the coal and a belt speed signal detected by the speed sensor and simultaneously sends the electric signal and the belt speed signal into the integrator, instantaneous flow and accumulated amount of the material are obtained after integration, the coal feeding amount is controlled by controlling the running speed of the belt, and in actual use, the structure is complex for quantitative feeding, and the equipment cost is high.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art, and provides a quantitative belt type coal feeder which is simple in structure and convenient to use, can realize quantitative material conveying and accurate coal feeding amount control, and can effectively solve the problems in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: a quantitative belt type coal feeder comprises a bracket, wherein a conveying belt is arranged at the upper part of the bracket; a guide chute is fixed on the upper part of the support through a support column, an opening at the lower side of the guide chute is attached to the upper surface of the conveying belt, one side of the guide chute facing the moving direction of the conveying belt is open, and the other side of the guide chute is closed; the metering device comprises a bottom plate, the upper portion of the bottom plate is connected with a discharging box through a weighing sensor, a rotating shaft is arranged at one end of the bottom plate, the two ends of the rotating shaft are rotatably connected with the two opposite side walls of the guide chute, two sets of hydraulic cylinders are symmetrically arranged on one side, far away from the rotating shaft, of the bottom surface of the bottom plate, and the discharging box can be driven to rotate around the rotating shaft by the two sets of hydraulic cylinders.

Preferably, the support is provided with a driving roller, a driven roller and a plurality of supporting rollers, the driving roller, the driven roller and the supporting rollers drive the conveying belt to rotate, and the support is provided with a speed reducer for driving the driving roller to rotate.

Preferably, two opposite sides of the conveying belt are provided with flanges, and the lower parts of the two opposite sides of the guide chute are correspondingly positioned at the inner sides of the two flanges.

Preferably, the screw feeder comprises a motor and a screw shaft, and the weighing sensor is interlocked with the motor of the screw feeder.

Preferably, the telescopic end of the hydraulic cylinder is hinged with the bottom plate, and the cylinder body end of the hydraulic cylinder is hinged with the side wall of the guide chute.

Preferably, one side of the discharge box, which is far away from the discharge hole, is provided with an opening.

Compared with the prior art, the utility model has the beneficial effects that: this ration belt feeder can carry the material and can also carry out the breakage to the material through setting up screw feeder, and screw feeder carries the material to the discharge box in, comes the measurement material through weighing sensor, and screw feeder's motor is shut down after reaching preset weight, and the pneumatic cylinder drives the discharge box upset afterwards and emptys the material on the conveyer belt, and the material is carried to the conveyer belt to can realize quantitative formula transported substance material, accurate control gives the coal volume.

Drawings

FIG. 1 is a first schematic structural diagram of the present invention;

FIG. 2 is a second schematic structural view of the present invention;

FIG. 3 is an enlarged view of the metering device of the present invention.

In the figure: the device comprises a hopper 1, a spiral feeder 2, a guide chute 3, a support column 4, a speed reducer 5, a support 6, a support roller 7, a conveyer belt 8, a metering device 9, a discharge box 9.1, a bottom plate 9.2, a hydraulic cylinder 9.3, a rotating shaft 9.4, a weighing sensor 9.5 and a discharge hole 10.

Detailed Description

In the following description, the technical solutions of the present invention will be described with reference to the drawings of the embodiments of the present invention, and it should be understood that, if there is an orientation or positional relationship indicated by terms such as "upper", "lower", "front", "rear", "left", "right", etc., it is only corresponding to the drawings of the present invention, and for convenience of describing the present invention, it is not necessary to indicate or imply that the indicated devices or elements have a specific orientation:

referring to fig. 1-3, the present invention provides a technical solution: a quantitative belt coal feeder comprises a bracket 6, wherein a conveyer belt 8 is arranged at the upper part of the bracket 6, and the conveyer belt 8 is used for conveying materials; a guide chute 3 is fixed on the upper part of the support 6 through a support column 4, an opening at the lower side of the guide chute 3 is attached to the upper surface of the conveyer belt 8, one side of the guide chute 3 facing the moving direction of the conveyer belt 8 is open, and the other side is closed, so that the materials are ensured to fall on the conveyer belt 8 completely, and the materials are prevented from falling in the conveying process, a hopper 1 is arranged on the upper part of the guide chute 3 and used for storing the materials, a spiral feeder 2 is arranged at the bottom of a bin of the hopper 1, the spiral feeder 2 can convey the materials and can crush the materials, a discharge port 10 is arranged on one side of the hopper 1 corresponding to the spiral feeder 2, the materials are output through the discharge port 10 by the spiral feeder 2, and a metering device 9 is arranged below the discharge port 10 in the guide chute 3; the metering device 9 comprises a bottom plate 9.2, the upper part of the bottom plate 9.2 is connected with a discharge box 9.1 through a weighing sensor 9.5, one end of the bottom plate 9.2 is provided with a rotating shaft 9.4, two ends of the rotating shaft 9.4 are rotatably connected with two opposite side walls of the guide chute 3, one side of the bottom surface of the bottom plate 9.2, which is far away from the rotating shaft 9.4, is symmetrically provided with two groups of hydraulic cylinders 9.3, and the two groups of hydraulic cylinders 9.3 can drive the discharge box 9.1 to rotate around the rotating shaft 9.4;

it can be understood that the screw feeder 2 conveys the materials into the discharge box 9.1, the materials are metered by the weighing sensor 9.5, then the hydraulic cylinder 9.3 drives the discharge box 9.1 to overturn and dump the materials onto the conveyer belt 8, and the conveyer belt 8 conveys the materials, so that quantitative conveying of the materials can be realized, and the coal feeding amount can be accurately controlled;

a driving roller, a driven roller and a plurality of supporting rollers 7 are arranged on the support 6, the driving roller, the driven roller and the supporting rollers 7 drive the conveying belt 8 to rotate, and the support 6 is provided with a speed reducer 5 for driving the driving roller to rotate;

in order to further avoid the problem that the materials fall off during conveying on the conveying belt 8, flanges are arranged on two opposite sides of the conveying belt 8, and the lower parts of the two opposite sides of the material guide groove 3 are correspondingly positioned on the inner sides of the two flanges;

the spiral feeder 2 comprises a motor and a spiral shaft, a weighing sensor 9.5 is interlocked with the motor of the spiral feeder 2, the motor, the weighing sensor 9.5 and an external controller are electrically connected to form a control system, materials are metered through the weighing sensor 9.5, and the external controller controls the motor of the spiral feeder 2 to stop when a preset weight is reached, so that the prior art is provided and the details are not repeated;

in addition, the telescopic end of the hydraulic cylinder 9.3 is hinged with the bottom plate 9.2, and the cylinder body end of the hydraulic cylinder 9.3 is hinged with the side wall of the material guide groove 3; one side that discharge box 9.1 kept away from discharge gate 10 is equipped with the opening, and pneumatic cylinder 9.3 drives discharge box 9.1 and rotates, and the material on the discharge box 9.1 simultaneously falls on conveyer belt 8 through the opening.

The utility model is not described in detail in the prior art, and it is apparent to a person skilled in the art that the utility model is not limited to details of the above-described exemplary embodiments, but that the utility model can be embodied in other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the scope of the claims concerned.

Claims

1. A quantitative belt feeder, comprising a support (6), characterized in that: a conveying belt (8) is arranged at the upper part of the bracket (6); a guide chute (3) is fixed on the upper portion of the support (6) through a support column (4), an opening on the lower side of the guide chute (3) is attached to the upper surface of the conveying belt (8), an opening on one side, facing the moving direction of the conveying belt (8), of the guide chute (3) is closed on the other side, a hopper (1) is arranged on the upper portion of the guide chute (3), a spiral feeder (2) is arranged at the bottom of a bin of the hopper (1), a discharge hole (10) is formed in one side of the hopper (1) corresponding to the spiral feeder (2), and a metering device (9) is arranged in the guide chute (3) below the discharge hole (10); metering device (9) include bottom plate (9.2), and the upper portion of bottom plate (9.2) is connected with dump box (9.1) through weighing sensor (9.5), and the one end of bottom plate (9.2) is equipped with pivot (9.4), and the both ends of pivot (9.4) are connected with the double-phase relative lateral wall rotation of baffle box (3), and the bottom surface of bottom plate (9.2) is kept away from one side symmetry of pivot (9.4) and is equipped with two sets of pneumatic cylinders (9.3), and two sets of pneumatic cylinders (9.3) can drive dump box (9.1) and revolute axle (9.4) and rotate.

2. The coal feeder of claim 1, wherein: the automatic conveying device is characterized in that a driving roller, a driven roller and a plurality of supporting rollers (7) are arranged on the support (6), the driving roller, the driven roller and the supporting rollers (7) drive the conveying belt (8) to rotate, and the support (6) is provided with a speed reducer (5) for driving the driving roller to rotate.

3. The coal feeder of claim 1, wherein: flanges are arranged on two opposite sides of the conveying belt (8), and the lower parts of the two opposite sides of the guide chute (3) are correspondingly positioned on the inner sides of the two flanges.

4. The coal feeder of claim 1, wherein: the screw feeder (2) comprises a motor and a screw shaft, and the weighing sensor (9.5) is interlocked with the motor of the screw feeder (2).

5. The coal feeder of claim 1, wherein: the telescopic end of the hydraulic cylinder (9.3) is hinged with the bottom plate (9.2), and the cylinder body end of the hydraulic cylinder (9.3) is hinged with the side wall of the guide chute (3).

6. The coal feeder of claim 1, wherein: an opening is formed in one side, far away from the discharge hole (10), of the discharge box (9.1).