CN212096927U

CN212096927U - Automatic metering device for powdery additive of concrete mixing plant

Info

Publication number: CN212096927U
Application number: CN202020317642.5U
Authority: CN
Inventors: 郭力功; 任婷婷; 刘传园; 张海华
Original assignee: Shantui Janeoo Machinery Co Ltd
Current assignee: Shantui Janeoo Machinery Co Ltd
Priority date: 2020-03-13
Filing date: 2020-03-13
Publication date: 2020-12-08
Anticipated expiration: 2030-03-13

Abstract

The utility model discloses an automatic metering device for powdery additive of a concrete mixing plant, which comprises a main structure, a storage hopper arranged on the upper part of the main structure, an arch breaking device arranged below the storage hopper, a screw conveyer connected to the lower part of the arch breaking device, and a metering scale connected to the discharge port of the screw conveyer through a pipeline; the lower part of the metering scale is provided with a belt conveyor, a manual fiber adding device leading to the belt conveyor is installed on the main structure, the upper part of the manual fiber adding device is provided with a fiber feeding port, and the fiber feeding port is arranged on the upper part of the main structure. The main structure is used for fixing the powdery additive storage hopper, and the bagged powdery additive can be stored on the upper surface of the main structure, so that the structure is compact, and the use is convenient. A manual fiber adding device is arranged beside the storage hopper and used for manually adding fibers with small use amount. The whole structure is compact, a simple steel frame structure is adopted, the occupied area is small, and the cost is low.

Description

Automatic metering device for powdery additive of concrete mixing plant

Technical Field

The utility model belongs to the technical field of concrete additive measuring equipment technique and specifically relates to an automatic metering device of likepowder additive of concrete mixing plant.

Background

Concrete additives are a substance used to improve the performance of concrete in relatively small amounts, but have a great effect. In conventional products of the concrete mixing plant, steel-structure silos are used for storage and conveying, so that the concrete mixing plant not only occupies a large area, but also has relatively high cost and is difficult to erect. There is therefore a need for a relatively simple additive dosing and storage system.

Disclosure of Invention

The utility model discloses be exactly for solving the above-mentioned not enough that prior art exists, provide an automatic metering device of likepowder additive of concrete mixing plant, the main structure is used for fixed likepowder additive storage hopper, and likepowder additive in bags can be deposited to the main structure upper surface simultaneously, compact structure, and it is convenient to use. A manual fiber adding device is arranged beside the storage hopper and used for manually adding fibers with small use amount. The whole structure is compact, a simple steel frame structure is adopted, the occupied area is small, and the cost is low.

The utility model provides a technical scheme that its technical problem adopted is:

an automatic metering device for powdery additives of a concrete mixing plant comprises a main structure, a storage hopper arranged at the upper part of the main structure, an arch breaking device arranged below the storage hopper, a spiral conveyor connected at the lower part of the arch breaking device, and a metering scale connected to a discharge port of the spiral conveyor through a pipeline;

the lower part of the metering scale is provided with a belt conveyor, a manual fiber adding device leading to the belt conveyor is installed on the main structure, the upper part of the manual fiber adding device is provided with a fiber feeding port, and the fiber feeding port is arranged on the upper part of the main structure.

The upper part of the main structure is provided with a walking platform for people to walk and fall feet.

A vibrator is arranged on one side of the storage hopper, a feeding port is arranged on the upper portion of the storage hopper, and a feeding port cover is mounted on the feeding port through a hinge.

The arch breaking device is of a rotating structure with an arch breaking shaft driven by a motor, a circular stirring arm is connected to the arch breaking shaft, a square stirring blade is arranged on the circular stirring arm, and the lower portion of the arch breaking device is communicated with the screw conveyer.

And a pneumatic butterfly valve I is arranged at the discharge port of the screw conveyor.

The upper part of the metering scale is connected with a bag dust removal device, the lower part of a bearing structure in the metering scale is provided with a pressure sensor, and the output port at the lower part of the metering scale is provided with a pneumatic butterfly valve II.

The utility model has the advantages that:

1. the main structure is used for fixing the powdery additive storage hopper, and the bagged powdery additive can be stored on the upper surface of the main structure, so that the structure is compact, and the use is convenient. A manual fiber adding device is arranged beside the storage hopper and used for manually adding fibers with small use amount. The whole structure is compact, a simple steel frame structure is adopted, the occupied area is small, and the cost is low.

2. The arch breaking device is driven by a motor, a cylindrical stirring arm and a square stirring blade are arranged on an arch breaking shaft, so that the arch breaking device can quickly discharge materials, break up powdery additives which are possibly hardened and send the additives to the screw conveyer.

3. Screw conveyer is equipped with the access hole, easy maintenance, and pneumatic butterfly valve I is installed to the discharge gate position, and after the weigher reached the weighing value, I self-closing of pneumatic butterfly valve stopped the feed, and metering error is little. The pneumatic butterfly valve I and the pneumatic butterfly valve II are provided with PLC controllers to control the electromagnetic valves to control the opening and closing of the pneumatic butterfly valve, and the pneumatic butterfly valve is convenient and practical and low in failure rate.

4. The weigher adopts three-point pressure sensor, and the balance body is equipped with the vibrator in addition, and the balance body top is equipped with sack dust collector, and the measurement is accomplished the back, opens below pneumatic butterfly valve II, realizes unloading fast to oblique belt feeder on. The metering is accurate, and the discharging speed is high.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a partial view of the arch breaking device of the present invention;

FIG. 3 is a partial view of the weighing scale of the present invention;

fig. 4 is a top view of the present invention.

In the figure: 1-a walking platform, 2-a main structure, 3-a storage hopper, 4-an arch breaking device, 5-a screw conveyer, 6-a metering scale, 7-a manual fiber adding device, 8-a vibrator, 301-a feed port, 401-an arch breaking shaft, 402-a circular stirring arm, 403-a square stirring blade, 501-a pneumatic butterfly valve I, 601-a bag dust removal device, 602-a pressure sensor, 603-a pneumatic butterfly valve II and 701-a fiber feed port.

Detailed Description

In order to clearly illustrate the technical features of the present invention, the present invention is explained in detail by the following embodiments in combination with the accompanying drawings. The following disclosure provides many different embodiments, or examples, for implementing different features of the invention. In order to simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. It should be noted that the components illustrated in the figures are not necessarily drawn to scale. Descriptions of well-known components and processing techniques and processes are omitted so as to not unnecessarily limit the invention. The terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

An automatic metering device for powdery additives of a concrete mixing plant comprises a main structure 2, a storage hopper 3 arranged at the upper part of the main structure 2, an arch breaking device 4 arranged below the storage hopper 3, a screw conveyer 5 connected to the lower part of the arch breaking device 4, and a metering scale 6 connected to a discharge port of the screw conveyer 5 through a pipeline; the lower part of the metering scale 6 is provided with a belt conveyor, a manual fiber adding device 7 leading to the belt conveyor is arranged on the main structure 2, a fiber feeding port 701 is arranged on the upper part of the manual fiber adding device 7, and the fiber feeding port 701 is arranged on the upper part of the main structure 2. The control system of the motor and the belt conveyor is a common motor control system, is controlled by the PLC together with the metering scale and is a common electric control system.

The main structure 2 is used for fixing the powdery additive storage hopper 3, and the bagged powdery additive can be stored on the upper surface of the main structure 2, so that the structure is compact, and the use is convenient. A manual fiber adding device 7 is arranged beside the storage hopper 3 and used for manually adding fibers with small dosage.

The upper part of the main structure 2 is provided with a walking platform 1 for people to walk and fall feet.

One side of the storage hopper 3 is provided with a vibrator 8, the upper part of the storage hopper 3 is provided with a feeding port 301, and a feeding port cover is arranged on the feeding port 301 through a hinge.

The storage hopper 3 is made of stainless steel plates to prevent corrosion. A feeding port of a feeding port cover is arranged above the bucket body, the bucket body is provided with a vibrator 8, and an arch breaking device 4 is connected below the bucket body.

The arch breaking device 4 is a rotating structure of an arch breaking shaft 401 driven by a motor, a circular stirring arm 402 is connected to the arch breaking shaft 401, a square stirring blade 403 is arranged on the circular stirring arm 402, and the lower portion of the arch breaking device 4 is communicated with a screw conveyer 5.

The arch breaking device 4 is driven by a motor, a cylindrical stirring arm 402 and a square stirring blade 403 are arranged on an arch breaking shaft 401, so that the material can be rapidly discharged, the hardened powdery additive can be scattered, and then the additive is conveyed to the screw conveyor 5.

5 discharge gate departments of screw conveyer are equipped with pneumatic butterfly valve I501. Screw conveyer 5 is equipped with the access hole, easy maintenance, and pneumatic butterfly valve I501 of discharge gate position installation after 6 reach the weighing value of weigher, pneumatic butterfly valve I501 self-closing stops the feed, and metering error is little. The pneumatic butterfly valve I501 and the pneumatic butterfly valve II 603 are both provided with a PLC controller to control an electromagnetic valve to control the opening and closing of the pneumatic butterfly valve, and the related air pump and the simple air circuit are common structures.

The upper part of the metering scale 6 is connected with a bag dust removal device 601, the lower part of a bearing structure in the metering scale 6 is provided with a pressure sensor 602, and the output port at the lower part of the metering scale 6 is provided with a pneumatic butterfly valve II 603. The weighing scale 6 adopts a three-point pressure sensor 602, the scale body is provided with a vibrator, a cloth bag dust removal device 601 is arranged above the scale body, and after the weighing is completed, a pneumatic butterfly valve II 603 below is opened to realize quick discharging to an inclined belt conveyor. The metering is accurate, and the discharging speed is high.

The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all are included in the scope of the present invention.

Claims

1. An automatic metering device for powdery additives of a concrete mixing plant is characterized by comprising a main structure, a storage hopper arranged at the upper part of the main structure, an arch breaking device arranged below the storage hopper, a spiral conveyor connected at the lower part of the arch breaking device, and a metering scale connected to a discharge port of the spiral conveyor through a pipeline;

2. The automatic metering device for the powdery additive of the concrete mixing plant as claimed in claim 1, wherein a walking platform for people to walk and fall feet is arranged at the upper part of the main structure.

3. The automatic metering device for the powdery additive of the concrete mixing plant as claimed in claim 1, wherein a vibrator is arranged on one side of the storage hopper, a feeding port is arranged on the upper part of the storage hopper, and a feeding port cover is arranged on the feeding port through a hinge.

4. The automatic metering device for the powdery additive of the concrete mixing plant as claimed in claim 3, wherein the arch breaking device is a rotary structure with an arch breaking shaft driven by a motor, a circular mixing arm is connected to the arch breaking shaft, a square mixing blade is arranged on the circular mixing arm, and the lower part of the arch breaking device is communicated with the screw conveyer.

5. The automatic metering device for the powdery additive of the concrete mixing plant as claimed in claim 4, characterized in that a pneumatic butterfly valve I is arranged at the discharge port of the screw conveyor.

6. The automatic metering device for the powdery additive of the concrete mixing plant as claimed in claim 5, wherein the upper part of the metering scale is connected with a bag dust collector, the lower part of a bearing structure in the metering scale is provided with a pressure sensor, and the lower outlet of the metering scale is provided with a pneumatic butterfly valve II.