Volume adjustable concrete proportioning machine for building

Abstract

The invention discloses a volume adjustable concrete proportioning machine for building. The proportioning machine comprises a frame. A transverse rack is arranged in the middle of the frame, a belt conveyor is correspondingly arranged on the transverse rack right below a first discharge port, the belt conveyor comprises a supporting rack, a driving wheel, a driven wheel, a motor, a carrier rollerbracket, a V-shaped carrier roller unit, a belt, an adjusting bolt and an adjusting nut. A mixing weighing hopper is arranged on the lower surface of the transverse rack right below a sand cabin, a first baffle plate and a second baffle plate are arranged at the lower end of a second discharge port, a piston rod of a driving air cylinder is hinged to the first and second baffle plates, and a beltscale is arranged in a position, corresponding to the second discharge port, below the mixing weighing hopper. By adjusting the bolt to stretch on the V-shaped carrier roller unit, the adjusting function of a guide slot of the belt conveyor is achieved, the discharge port of the mixing weighing hopper is opened and closed quickly, and the proportioning accuracy is improved.

Description

technical field [0001] The invention belongs to the technical field of building batching machines, and in particular relates to a construction concrete batching machine with adjustable transport capacity. Background technique [0002] Concrete batching machine, also known as batching machine and automatic sand and gravel batching machine, is an automatic equipment used for quantitative distribution of various sand and gravel, such as: sand and gravel. It is mainly used in the concrete construction industry to replace manual scales. [0003] At present, the concrete batching machine is composed of multiple storage bins, belt conveyors, mixing weighing hoppers and belt scales. However, the structure of the guide groove of the existing belt conveyor is fixed, and it cannot be adjusted or controlled. The flow of sand and gravel in the tank decreases or increases, and the discharge port of the mixing weighing hopper is mostly open, or it cannot be opened and closed quickly, there...

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Problems solved by technology

[0004] The purpose of the present invention is to provide a concrete batching machine for construction with adjustable transport capacity, so as to solve the problem in the above background technology that the structure of the guide groove of the belt conveyor in the prior art is fixed, the adjustment cannot be realized, and the inside of the guide groove cannot be controlled. The flow of sand and gravel decreases or increases, and the outlet of the mixing weighing hopper is mostly open, or it cannot be opened and closed quickly, which reduces the accuracy of the ratio

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