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Manufacturing method of belt conveyor capable of automatically controlling Gravimetric blender


source:[Gravimetric blender]   release time:2021-04-15 10:00:15




Manufacturing method of belt conveyor capable of automatically controlling Gravimetric blender

At present, the weighing of belt conveyors used in coal preparation plants, coal mines, coking, logistics, ports, warehousing and other mining industries are mostly manual operations, which have defects such as untimely and inaccurate operations, especially for material loading. During the trucking process, there are problems such as too much material or too little material, which requires repeated loading and unloading.
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Technical realization elements:

Purpose of the invention: In order to overcome the shortcomings in the prior art, the present invention provides a belt conveyor with automatic control weighing and metering, which realizes convenient, practical and reliable material transportation, and can ensure accurate loading and unloading of vehicles and prevent overloading Or in order to prevent overloading and repeated loading and unloading of vehicles, the cost increase and unnecessary energy consumption.

Technical solution: In order to achieve the above purpose, the technical solution of the present invention is as follows:

A belt conveyor that automatically controls weighing and metering includes a driving wheel, a transmission belt, a driven wheel, and a weighing device. The driven wheel is in a low position, the driving wheel is in a high position, and the driven wheel is between the driven wheel and the driving wheel. A transmission belt is provided, and the positions of the transmission belt corresponding to the driven wheel to the driving wheel are respectively an uphill transmission belt part and a horizontal transmission belt part, and the transmission direction of the transmission belt tends from the uphill transmission belt part to the horizontal transmission belt part; The horizontal conveyor belt part is provided with a weighing device.

Further, it also includes a weighing display device with a setting function and an electrical control unit. The signal output end of the weighing device is connected to the signal input end of the weighing display device with the setting function. The signal output terminal of the weighing display device is connected with the signal input terminal of the electric control unit, and the signal output terminal of the electric control unit is connected with the signal input terminal of the driving wheel.
Further, the electric control unit is installed in an electric control cabinet, and the weighing display device with setting function is arranged on the cabinet door of the electric control cabinet.
Further, the turning points of the uphill belt part and the horizontal belt part of the belt are provided with auxiliary driven wheels for supporting turning.
Further, the position of the driven wheel can be adjusted in the up and down directions, and the angle setting range of the uphill conveyor belt part relative to the horizontal conveyor belt part is adjusted to be 10°-30°.
Further, the bearing surface of the transmission belt is provided with anti-slip lines.
Beneficial effects: The utility model integrates automatic control technology into the belt weighing device, improves the reliability, economy, and automation of use, reduces production and operation costs, prevents excessive loading and unloading of materials, and causes repeated loading and unloading of overloaded vehicles. In actual production applications, it has high sensitivity (precision up to 0.5-1%), good technical performance, and high loading and unloading efficiency. It can be widely used in coal mines, coking, storage, large industrial and mining enterprises, ports, logistics and other industries in lump, granular and powder Conveying, weighing, loading and unloading of shaped materials.

Detailed ways

The following is a further description of the utility model in conjunction with the attachment.

1. A belt conveyor that automatically controls weighing and metering, comprising a driving wheel 4, a transmission belt 8, a driven wheel 9, and a weighing device 2. The driven wheel 9 is in a low position, and the driving wheel 4 is in a high position. A transmission belt 8 is provided between the driven wheel 9 and the driving wheel 4, and the positions of the transmission belt 8 corresponding to the driven wheel 9 to the driving wheel 4 are respectively an uphill transmission belt portion 81 and a horizontal transmission belt portion 82. The transmission belt The conveying direction of 8 is from the uphill conveying belt portion 81 to the horizontal conveying belt portion 82; the horizontal conveying belt portion 82 is provided with a weighing device 2.

It also includes a weighing display device 5 with setting function and an electrical control unit 7. The signal output end of the weighing device 2 is connected to the signal input end of the weighing display device 5 with setting function. The signal output end of the functional weighing display device 5 is connected to the signal input end of the electrical control unit 7, and the signal output end of the electrical control unit 7 is connected to the signal input end of the driving wheel 4.
During the operation of the conveyor, the material 1 falls into the feeding end of the conveyor belt 8, and passes through the uphill conveyor belt part 81 and the horizontal conveyor belt part 82 successively, until it passes through the weighing device 2, the weighing display device 5 with setting function Start to display the measurement. When the weighing display device 5 with the setting function reaches the set value, it transmits a signal to the electric control unit 7, and the electric control unit 7 sends a command to the driving wheel 4, the driving wheel 4 stops, and the conveyor stops. At the same time, the alarm device is driven to send out an audible and visual alarm, and this screening and loading is completed; after resetting or resetting in the next loading, the driving wheel 4 is automatically controlled and operated by the electric control unit 7, and the above steps are repeated.
The specific setting position of the electric control unit 7 and the weighing display device 5, the electric control unit 7 is installed in the electric control cabinet, and the weighing display device 5 with setting function is installed on the cabinet door of the electric control cabinet .
Further, the turning points of the uphill belt part 81 and the horizontal belt part 82 of the belt 8 are provided with auxiliary driven wheels for supporting turning. The position of the driven wheel 9 can be adjusted in the up and down directions, and the angle setting range of the uphill conveyor belt portion 81 relative to the horizontal conveyor belt portion 82 is adjusted to be 10°-30°.
The bearing surface of the transmission belt 8 is provided with anti-slip lines.
The above are only the preferred embodiments of the present utility model. It should be pointed out that for those of ordinary skill in the art, without departing from the principle of the present utility model, several improvements and modifications can be made. These improvements and Retouching should also be regarded as the protection scope of this utility model.[Gravimetric blender]