CN212953086U

CN212953086U - Powdery material anti-blocking device

Info

Publication number: CN212953086U
Application number: CN202021785620.8U
Authority: CN
Inventors: 王道梓
Original assignee: Ningxia Shan Douzi Coarse Grain Green Food Technology Development Co ltd
Current assignee: Ningxia Shan Douzi Coarse Grain Green Food Technology Development Co ltd
Priority date: 2020-08-24
Filing date: 2020-08-24
Publication date: 2021-04-13
Anticipated expiration: 2030-08-24

Abstract

The utility model provides a powdered material anti-blocking device, including the feeding machine electromagnetic switch who installs in the milling machine outside, the milling machine discharge gate fixed connection carries one end of return bend, carry return bend fixed connection negative-pressure air fan, and carry the other end fixed connection of return bend and carry the feed inlet of powdered material storage bin, powdered material storage bin is located the top of milling machine, the last terminal surface of one side that is located near the milling machine on carrying the return bend is provided with the side air intake, the last terminal surface of carrying the return bend is located the side air intake lower part and is installed material detection sensor one, the bottom fixed mounting of carrying the return bend is installed material detection sensor two; the side surface of the middle part of the conveying bent pipe is connected with a side pipe in a run-through manner, and an electromagnetic valve is installed at the opening of the side pipe; the automatic dredging and blocking device is characterized by further comprising a controller, wherein the controller is respectively electrically connected with the electromagnetic switch of the feeding machine, the electromagnetic valve, the first material detection sensor and the second material detection sensor, and can realize automatic dredging and collection of blocking materials under the condition of no shutdown.

Description

Powdery material anti-blocking device

Technical Field

The application relates to the technical field of material conveying equipment, in particular to an anti-blocking device for powdery materials.

Background

At present, flour, powder cereal such as bean flour in the transportation after processing, mostly adopt negative-pressure air fan to adsorb the material with powder cereal in the flour mill through pipeline negative pressure and store the storehouse in, but powder cereal piles up easily in pipeline's return bend department and causes the jam, in case pipeline blocks up hardly the mediation, need all shut down whole processing grinding equipment and conveying equipment, then the manual work is dredged, seriously influence cereal machining efficiency, shut down the maintenance and also pollute the powder cereal in the pipeline easily, cause the waste. And the blockage of the conveying pipeline is not easy to be found, the long-time blockage can also influence the production efficiency of the materials, and the service life of the fan is also influenced to a certain extent.

SUMMERY OF THE UTILITY MODEL

The application provides a powdered material prevents stifled device to the powdered material that exists piles up easily in pipeline's return bend department and causes the jam among the solution prior art, and it is big that the manual work is dredged the degree of difficulty, and seriously influences grain machining efficiency's problem.

The technical scheme adopted by the application is as follows:

a powdery material anti-blocking device comprises a feeding machine electromagnetic switch arranged on the outer side of a flour mill, wherein a discharge port of the flour mill is fixedly connected with one end of a conveying bent pipe, the conveying bent pipe is fixedly connected with a negative pressure fan, the other end of the conveying bent pipe is fixedly connected with a feed port of a powdery material storage bin, the powdery material storage bin is positioned above the flour mill, a side air inlet is formed in the upper end surface of one side, close to the flour mill, of the conveying bent pipe, the upper end surface of the conveying bent pipe is positioned at the lower part of the side air inlet and is provided with a first material detection sensor, and a second material detection sensor is fixedly arranged at the bottom of the conveying bent; the side surface of the middle part of the conveying bent pipe is connected with a side pipe in a run-through manner, and an electromagnetic valve is installed at the opening of the side pipe; the automatic feeding machine is characterized by further comprising a controller, wherein the controller is electrically connected with the electromagnetic switch of the feeding machine, the electromagnetic valve, the first material detection sensor and the second material detection sensor respectively.

Preferably, the first material detection sensor is a photoelectric sensor.

Preferably, the second material detection sensor is a photoelectric sensor.

Preferably, the detection probe of the first material detection sensor is downwards arranged at a position 3-5cm away from the upper end face of the conveying bent pipe, and the detection probe of the second material detection sensor is upwards arranged at a position 2-3cm away from the side face of the bottom of the conveying bent pipe.

Preferably, the inside of side pipe is located solenoid valve lower extreme fixed mounting and is had airstrainer, also fixed mounting has airstrainer in the side air inlet.

Preferably, the pipe diameter of the side pipe is 0.5-0.8 times of the maximum pipe diameter of the conveying elbow, and the length of the side pipe is 0.5-1.2 times of the maximum pipe diameter of the conveying elbow.

The technical scheme of the application has the following beneficial effects:

1. this application powdered material that adoption negative-pressure air fan ground in with the milling machine among the stifled device of powdered material passes through carry the return bend to transport in the powdered material storage storehouse, through install material detection sensor in the transport return bend and monitor whether the transport return bend is inside to have the jam, in case material detection sensor detects the jam, and controller control is closed feeder electromagnetic switch stops the feed and opens the solenoid valve, blocks up the material and follows all inspiration in the transport return bend in the powdered material storage storehouse, can realize automatic mediation and collect under the condition of not shutting down and block up the material, need not shut down and carry out artifical maintenance consequently not influence grain machining efficiency.

2 can real-time supervision through two material detection sensor whether transport the inside jam that exists of return bend, avoid long-time material to block up the return bend and influence material production efficiency, eliminate long-time material and block up the influence to the fan life-span, also can reduce the erroneous judgement.

Drawings

In order to more clearly explain the technical solution of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural diagram of an anti-blocking device for powdery materials according to the present application;

illustration of the drawings:

the system comprises a pulverizer 1, a conveying bent pipe 2, a side air inlet 3, a side pipe 4, an electromagnetic valve 5, a material detection sensor I6, a powdery material storage bin 7 and a material detection sensor II 8.

Detailed Description

Referring to fig. 1, a schematic structural diagram of an anti-blocking device for powdery materials is shown.

The application provides a powdery material anti-blocking device, which comprises a feeding machine electromagnetic switch arranged outside a flour mill 1, the discharge port of the flour mill 1 is fixedly connected with one end of a conveying bent pipe 2, the conveying bent pipe 2 is fixedly connected with a negative pressure fan, the powder material is conveyed by utilizing negative pressure wind power, and the other end of the conveying bent pipe 2 is fixedly connected with a feed inlet of a powdery material storage bin 7, the powdery material storage bin 7 is positioned above the flour mill 1, the upper end surface of one side of the conveying bent pipe 2, which is close to the flour mill 1, is provided with a side air inlet 3, a first material detection sensor 6 is arranged on the upper end surface of the conveying bent pipe 2 and positioned at the lower part of the side air inlet 3, a second material detection sensor 8 is fixedly installed at the bottom of the conveying bent pipe 2, and the first material detection sensor 6 and the second material detection sensor 8 are used for monitoring whether the inside of the conveying bent pipe 2 is blocked in real time; the side surface of the middle part of the conveying bent pipe 2 is connected with a side pipe 4 in a through way, and an electromagnetic valve 5 is installed at an opening of the side pipe 4; the automatic feeding device is characterized by further comprising a controller, wherein the controller is respectively electrically connected with the feeding machine electromagnetic switch, the electromagnetic valve 5, the first material detection sensor 6 and the second material detection sensor 8, the controller controls the feeding machine electromagnetic switch to be closed in time according to whether the materials detected by the first material detection sensor 6 and the second material detection sensor 8 are blocked or not, so that the feeding machine is braked to stop feeding, the electromagnetic valve 5 is opened, air enters from the side pipe 4, and the negative pressure suction force is increased to convey the powdery materials blocked in the conveying bent pipe 2.

Still install alarm device on carrying return bend 2, alarm device with the controller electricity is connected, if material detection sensor 6 with material detection sensor two 8 all detect the material and block up, and block up when long exceeding set for and block up when long, then probably solenoid valve 5 or other parts of equipment break down, can in time send alarm information, and the notice site worker in time handles the maintenance.

The alarm device comprises an audible and visual alarm fixedly mounted on the conveying bent pipe 2, and is convenient for timely sending out early warning information to inform field workers of mechanical fault conditions.

The alarm device further comprises a wireless communication device connected with other intelligent terminals, and mechanical fault early warning information can be sent to workers conveniently and timely through the wireless communication device.

The wireless communication device is a WIFI module or Bluetooth, and is simple in structure and convenient to install and use.

The first material detection sensor 6 is a photoelectric sensor.

And the second material detection sensor 8 is a photoelectric sensor.

The detection probe of the first material detection sensor 6 is downwards arranged at a position 3-5cm away from the upper end face of the conveying bent pipe 2, the detection probe of the second material detection sensor 8 is upwards arranged at a position 2-3cm away from the side face of the bottom of the conveying bent pipe 2, and whether the inside of the conveying bent pipe 2 is blocked or not is monitored by monitoring the amount of materials gathered at the bottom in the conveying bent pipe 2 in real time.

The inside of side pipe 4 is located 5 lower extremes of solenoid valve fixed mounting and has airstrainer, also fixed mounting has airstrainer in the side air intake 3, avoids dirty objects such as dust among the operational environment to get into carry among the return bend 2 contaminated material.

The pipe diameter of the side pipe 4 is 0.5-0.8 times of the maximum pipe diameter of the conveying bent pipe 2, and the length of the side pipe 4 is 0.5-1.2 times of the maximum pipe diameter of the conveying bent pipe 2.

The distance from the installation position of the side pipe 4 to the bottom end of the maximum bending part of the conveying bent pipe 2 is one third of the length of the conveying bent pipe 2, so that pressure difference for enabling blocked materials to flow rapidly is guaranteed to be generated.

The application provides a working process of stifled device is prevented to powdered material: in the application, the powder material anti-blocking device adopts a negative pressure fan to convey the ground powder material in the flour mill to a powder material storage bin 7 through a conveying bent pipe 2, and the material detection sensor 6 and a material detection sensor two 8 are used for monitoring whether the inside of the conveying bent pipe 2 is blocked or not, once the material detection sensor 6 and the material detection sensor two 8 detect that the blockage occurs, a controller controls to close a feeding machine electromagnetic switch so that the feeding machine stops feeding in a clutch braking manner, and the electromagnetic valve 5 is opened to lead air to enter from a side pipe 4, air with high external relative pressure flows into the conveying bent pipe 2 after being filtered by an air filter screen, pressure difference which leads the blocked material to flow rapidly is generated, the material is not wasted, the material is not polluted, and the blocked material can be automatically dredged and collected under the condition of no shutdown, the processing efficiency of the grains is not affected. Until the material detection sensor II 8 detects that no blocking material exists in the conveying bent pipe 2, the controller controls to close the electromagnetic valve 5 and open the electromagnetic switch of the feeding machine, so that the feeding machine is switched on to continue feeding, and the material is conveyed normally.

If the second material detection sensor 8 detects that the material is blocked, and the blocking time exceeds the set blocking time, the electromagnetic valve 5 or other parts of the equipment are possibly in fault, and the alarm device can send out alarm information in time to inform workers of timely processing and overhauling.

The embodiments provided in the present application are only a few examples of the general concept of the present application, and do not limit the scope of the present application. Any other embodiments extended according to the scheme of the present application without inventive efforts will be within the scope of protection of the present application for a person skilled in the art.

Claims

1. An anti-blocking device for powdery materials is characterized by comprising a feeder electromagnetic switch arranged outside a flour mill (1), the discharge hole of the flour mill (1) is fixedly connected with one end of a conveying bent pipe (2), the conveying bent pipe (2) is fixedly connected with a negative pressure fan, and the other end of the conveying bent pipe (2) is fixedly connected with a feed inlet of a powdery material storage bin (7), the powdery material storage bin (7) is positioned above the flour mill (1), a side air inlet (3) is arranged on the upper end surface of one side of the conveying bent pipe (2) close to the flour mill (1), a first material detection sensor (6) is arranged on the upper end surface of the conveying bent pipe (2) and positioned at the lower part of the side air inlet (3), a second material detection sensor (8) is fixedly arranged at the bottom of the conveying bent pipe (2); the side surface of the middle part of the conveying bent pipe (2) is connected with a side pipe (4) in a through mode, and an electromagnetic valve (5) is installed at the opening of the side pipe (4); the automatic feeding machine is characterized by further comprising a controller, wherein the controller is electrically connected with the electromagnetic switch of the feeding machine, the electromagnetic valve (5), the first material detection sensor (6) and the second material detection sensor (8) respectively.

2. The device for preventing clogging of powdery material as claimed in claim 1, wherein said first material detecting sensor (6) is a photoelectric sensor.

3. The device for preventing blockage of powdery material according to claim 1, wherein the second material detection sensor (8) is a photoelectric sensor.

4. The powdery material blockage preventing device according to claim 2 or 3, wherein the detection probe of the first material detection sensor (6) is installed at a position 3-5cm away from the upper end face of the conveying bent pipe (2) downwards, and the detection probe of the second material detection sensor (8) is installed at a position 2-3cm away from the bottom side face of the conveying bent pipe (2) upwards.

5. The powdery material anti-blocking device according to claim 1, wherein an air filter screen is fixedly installed inside the side pipe (4) at the lower end of the electromagnetic valve (5), and an air filter screen is also fixedly installed inside the side air inlet (3).

6. The powdery material blockage prevention device according to claim 1, wherein the pipe diameter of the side pipe (4) is 0.5 to 0.8 times the maximum pipe diameter of the conveying elbow (2), and the length of the side pipe (4) is 0.5 to 1.2 times the maximum pipe diameter of the conveying elbow (2).