CN215923799U

CN215923799U - Material conveying device

Info

Publication number: CN215923799U
Application number: CN202122496078.5U
Authority: CN
Inventors: 王冬冬; 曹卓
Original assignee: Baoding Weisai New Material Technology Co ltd
Current assignee: Baoding Weisai New Material Technology Co ltd
Priority date: 2021-10-18
Filing date: 2021-10-18
Publication date: 2022-03-01
Anticipated expiration: 2031-10-18

Abstract

The utility model belongs to the technical field of high-temperature material conveying, and discloses a material conveying device which comprises a discharging bin and a screw extruder; the screw extruder comprises a charging barrel communicated with a discharge port of the discharging bin, a screw arranged in the charging barrel and a driving mechanism in transmission connection with the screw; the cooling assembly is arranged in a transmission connection area of the screw rod and the driving mechanism. The utility model can avoid the damage of the transmission system in the device caused by the high-temperature transportation of the materials, and can efficiently and stably convey the high-temperature materials for a long time.

Description

Material conveying device

Technical Field

The utility model belongs to the technical field of high-temperature material conveying, and particularly relates to a material conveying device.

Background

In recent years, the automation degree of enterprise production is increasing, and the application popularity of the blanking conveying device is also increasing. But in food, medical treatment, chemical industry field, some powdered, graininess or glutinous flow state's material need carry under the high temperature condition, consequently just lead to the unloading conveyor of current structure often to have the problem of "transmission system fragile, material transmission unstable", the concrete expression is:

1. materials are conveyed in a high-temperature state, high-temperature waste heat carried by the materials can be transmitted to a driving mechanism (a motor, a speed reducer and the like) through a screw rod, a charging barrel and the like, and the driving mechanism is easily damaged due to the high-temperature working state;

2. the driving mechanism in the blanking conveying device generally drives the screw rod through a chain, a gear and other conventional modes, the transmission parts run at high temperature for a long time, the probability of damage of the transmission parts in the working process is high, and the service life of the transmission parts is seriously influenced;

3. under the high temperature state, it is more difficult to the lubrication of transmission spare parts such as gear, chain, causes transmission stuck phenomenon easily, and then the frequency leads to the material to transmit the unstable condition to appear.

Disclosure of Invention

In order to solve the defects in the prior art, the utility model aims to provide a material conveying device to avoid the condition that a transmission system in the device is damaged due to high-temperature transportation of materials, and further realize the purpose of efficiently and stably transporting the high-temperature materials for a long time.

In order to achieve the purpose, the technical scheme adopted by the utility model is as follows: a material conveying device comprises a blanking bin and a screw extruder; the screw extruder comprises a charging barrel communicated with a discharge port of the discharging bin, a screw arranged in the charging barrel and a driving mechanism in transmission connection with the screw; the cooling assembly is arranged in a transmission connection area of the screw rod and the driving mechanism.

As the limitation of the utility model, the cooling assembly is a plurality of groups of semiconductor refrigeration sheets which are covered on the outer side wall of the charging barrel and are all positioned in the transmission connection area of the screw and the driving mechanism.

As another limitation of the utility model, the inner wall of the lower bin is coated with a high-temperature-resistant coating paint.

As a further limitation of the utility model, the side wall of the lower silo is provided with a sealed observation window formed by toughened glass.

As a further limitation of the utility model, the blanking bin has an inner and outer double-layer structure, wherein the inner layer is made of stainless steel mirror panels by argon arc welding, and the outer layer is made of steel plates after surface plastic spraying treatment.

As a further limitation of the utility model, the bottom end of the screw extruder is provided with a plurality of load cells.

Due to the adoption of the technical scheme, compared with the prior art, the utility model has the following beneficial effects:

(1) the utility model relates to an improvement of a screw extruder, which is mainly characterized in that a cooling component (namely a semiconductor refrigeration piece) is additionally arranged in a transmission connection area of a screw and a driving mechanism, so that the working temperature of transmission parts among the driving mechanism, the driving mechanism and the screw is ensured to be always in a reasonable range, the condition of equipment damage caused by overhigh temperature is effectively avoided, and the screw extruder can meet the requirement of stably conveying and transferring materials under the condition of high temperature for a long time.

(2) The blanking bin is of an inner-layer structure and an outer-layer structure, and the inner wall of the blanking bin is coated with the high-temperature-resistant coating, so that the blanking bin cannot be damaged by high-temperature materials, and the high-temperature materials can be stored in the blanking bin for a long time; the observation window that sets up on the feed bin lateral wall down is convenient for the staff control down the unloading condition of the interior high temperature material of feed bin.

(3) According to the screw extruder disclosed by the utility model, the weighing sensor arranged at the bottom end of the screw extruder realizes the measurement of the mass of the material in the blanking bin, can ensure that the mass of the material in the blanking bin is always in a reasonable range, and is more easy to perform subsequent material proportioning work.

In conclusion, the conveying device is simple in structure, high in universality and extremely suitable for conveying high-temperature materials.

Drawings

The utility model is described in further detail below with reference to the figures and the embodiments.

FIG. 1 is a schematic overall structure diagram of an embodiment of the present invention;

in the figure: 1. discharging a bin; 2. an observation window; 3. a charging barrel; 4. a screw; 5. a drive mechanism; 6. a semiconductor refrigeration sheet; 7. and a weighing sensor.

Detailed Description

Preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the description of the preferred embodiment is only for purposes of illustration and understanding, and is not intended to limit the utility model.

Embodiment a material conveying device

As shown in fig. 1, the present embodiment includes a blanking bin 1 and a screw extruder communicated with a discharge port of the blanking bin 1, wherein the blanking bin 1 is subjected to a special high temperature resistant treatment, so as to avoid damage of the high temperature material to the blanking bin 1; the screw extruder is additionally provided with the cooling assembly, so that the working temperature of the driving mechanism 5 of the screw extruder can be guaranteed to be always within a reasonable range in the high-temperature material conveying process, and the screw extruder can be further guaranteed to stably convey high-temperature materials for a long time.

More specifically, the blanking bin 1 is used as a temporary storage device for high-temperature materials and integrally comprises a funnel-shaped inner-layer structure and a funnel-shaped outer-layer structure. The inner layer is made of a stainless steel mirror panel through an argon arc welding process, and high-temperature-resistant coating is coated on the inner wall of a blanking bin 1 formed by the stainless steel mirror panel of the inner layer; the outer layer is formed by welding steel plates, and the outer surfaces of the steel plates are subjected to plastic spraying treatment. In the embodiment, the high-temperature-resistant coating adopts XZ-T001 in the prior art.

In order to facilitate observation of the condition in the lower bunker 1, in this embodiment, an observation window 2 is further formed in one side wall of the lower bunker 1, and the observation window 2 is formed by tempered glass to form a sealing structure.

The screw extruder is used as a conveying device for high-temperature materials, a feed inlet of the screw extruder is communicated with a discharge port of the discharging bin 1, and a discharge port of the screw extruder is directly communicated with the next process of the production line. It should be noted that, the screw extruder in this embodiment is an improvement on the existing structure, and the main improvement point is the addition of the cooling component, so this embodiment only focuses on the cooling component and the installation position of the cooling component. The method specifically comprises the following steps:

the screw extruder comprises a charging barrel 3 communicated with a discharge port of the blanking bin 1, a screw 4 arranged in the charging barrel 3 and a driving mechanism 5 in transmission connection with the screw 4; wherein, the charging barrel 3 and the screw 4 are arranged on the base of the screw extruder along the horizontal direction, and the driving mechanism 5 adopts a speed reducing motor in the prior art. Most importantly, the transmission connection area between the screw 4 and the driving mechanism 5 is provided with a cooling assembly, as shown in particular in fig. 1. In this embodiment, the cooling assembly adopts semiconductor refrigeration piece 6 among the prior art, and the cooling assembly covers the semiconductor refrigeration piece 6 of establishing on the lateral wall of feed cylinder 3 for the multiunit promptly to every group semiconductor refrigeration piece 6 all is located screw rod 4 and actuating mechanism 5's transmission connection region department.

In order to measure the mass of the high-temperature material in the feeding bin 1, in this embodiment, four corners of the bottom end of the screw extruder base are respectively provided with a weighing sensor 7.

Although the present invention has been described in detail with reference to the above embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A material conveying device comprises a blanking bin and a screw extruder; the screw extruder comprises a charging barrel communicated with a discharge port of the discharging bin, a screw arranged in the charging barrel and a driving mechanism in transmission connection with the screw; the method is characterized in that: the cooling assembly is arranged in a transmission connection area of the screw rod and the driving mechanism.

2. A material transfer unit as claimed in claim 1, wherein: the cooling assembly is formed by covering a plurality of groups of semiconductor refrigerating sheets on the outer side wall of the charging barrel, and the semiconductor refrigerating sheets are all positioned in a transmission connecting area of the screw and the driving mechanism.

3. A material transfer unit as claimed in claim 1 or 2, wherein: the inner wall of the discharging bin is coated with high-temperature-resistant coating.

4. A material transfer unit as claimed in claim 3, wherein: and the side wall of the lower storage bin is provided with a sealed observation window formed by toughened glass.

5. A material transfer unit as claimed in claim 4, wherein: the lower bin is of an inner and outer double-layer structure, wherein the inner layer is made of stainless steel mirror panels through argon arc welding, and the outer layer is made of steel plates after surface plastic spraying treatment.

6. A material conveying apparatus according to any one of claims 1-2 and 4-5, wherein: the bottom end of the screw extruder is provided with a plurality of weighing sensors.