CN217704599U - Raw material extrusion molding device for waterproof board for railway tunnel - Google Patents

Abstract

A device for extruding a raw material for a waterproof board for railway tunnels, comprising a mixing and stirring tank (20), a screw extruder (21), an extruder die head (22), a calender (23) and an air extraction component, and a mixing and stirring tank (20) is provided. The stirring tank (20) includes a tank body (24), a stirring shaft (25) and a tank vacuum feeder (26). The bottom of the tank body (24) is provided with a discharge port, and the discharge port of the tank body (24) is located at the bottom of the tank body (24). A valve is provided, the top of the tank body (24) is provided with a feeding port, the discharging port of the tank body vacuum feeder (26) is communicated with the feeding port of the tank body (24), and the stirring shaft (25) is provided with a feeding port. Spiral blade; the advantages are: the extrusion molding speed is fast, which reduces the labor intensity of workers.

Description

A raw material extrusion molding device for waterproof boards for railway tunnels

technical field

The utility model relates to the field of waterproof board production equipment, in particular to a raw material extrusion molding device for waterproof boards used in railway tunnels.

Background technique

At present, in the waterproof board production line for railway tunnels, the extrusion molding speed of the existing extrusion molding device is relatively slow, which cannot meet the production needs of the factory.

Utility model content

The purpose of this utility model is to provide a raw material extrusion molding device for waterproof boards for railway tunnels to address the above-mentioned deficiencies.

The utility model includes a mixing tank, a screw extruder, an extruder die, a calender and an air extraction assembly,

The mixing and stirring tank includes a tank body, a stirring shaft and a tank vacuum feeder,

The bottom of the tank is provided with a discharge port, the discharge port of the tank is provided with a valve, the top of the tank is provided with a feed port, the discharge port of the tank vacuum feeder is connected with the feed port of the tank, and the stirring There are spiral blades on the shaft, the stirring shaft is installed in the tank through the bearing, and the stirring shaft is driven to rotate by the motor.

The discharge port of the tank body is connected with the feed port of the screw extruder, the die head of the extruder is installed at the discharge end of the screw extruder, and the calender is located on the side of the discharge port of the die head of the extruder.

The air extraction assembly includes an air extraction main pipe and a set of dust collection hoods,

There is a group of air extraction ports on the air extraction main pipe, and the air inlets of a group of dust collection hoods are respectively connected with the corresponding air extraction ports, and the dust collection hood is located above the calender.

A pair of baffles are arranged in the tank body.

The discharge port of the extruder die faces the nip between a pair of rollers of the calender.

The tank body is composed of a body and a cover body, and the cover body is connected to the body flange.

The calender is a three-roll calender.

The mixing tank, screw extruder, extruder die and calender are all installed on the level ground through the frame.

The utility model has the advantages that the extrusion forming speed is fast, and the labor intensity of workers is reduced.

Description of drawings

Fig. 1 is a schematic diagram of the front view of the utility model.

Fig. 2 is a schematic cross-sectional structure diagram of the mixing tank of the present invention.

Fig. 3 is a structural schematic diagram of the utility model.

Detailed ways

In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. The components of the embodiments of the invention generally described and illustrated in the figures herein may be arranged and designed in a variety of different configurations. Accordingly, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention. It should be noted that like numerals and letters denote similar items in the following figures, therefore, once an item is defined in one figure, it does not require further definition and explanation in subsequent figures. In the description of the embodiments of the present invention, it should be noted that if the orientation or positional relationship indicated by the terms "upper", "lower", "inner" and "outer" appear, it is based on the orientation or positional relationship shown in the accompanying drawings , or the usual orientation or positional relationship of the product of the invention in use, is only for the convenience of describing the present invention and simplification of the description, and does not indicate or imply that the device or element referred to must have a specific orientation or be constructed in a specific orientation. and operation, and therefore should not be construed as limiting the invention. In addition, if the terms "first", "second" and the like appear in the description of the present invention, they are only used to distinguish the description, and should not be understood as indicating or implying relative importance. In the description of the embodiments of the present invention, it should also be noted that, unless otherwise specified and limited, the terms "setting" and "connection" should be interpreted in a broad sense, for example, it can be a fixed connection or a Detachable connection, or integral connection; it can be mechanical connection or electrical connection; it can be direct connection or indirect connection through an intermediary, and it can be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention in specific situations.

As shown in the drawings, the utility model includes a mixing tank 20, a screw extruder 21, an extruder die head 22, a calender 23 and an air extraction assembly,

The mixing and stirring tank 20 comprises a tank body 24, a stirring shaft 25 and a tank body vacuum feeder 26,

The bottom of the tank body 24 is provided with a discharge port, the discharge port of the tank body 24 is provided with a valve, the top of the tank body 24 is provided with a feed port, and the discharge port of the tank body vacuum feeder 26 is connected with the feed port of the tank body 24. The mouth is connected, and the stirring shaft 25 is provided with a helical blade, and the stirring shaft 25 is installed in the tank body 24 through a bearing, and the stirring shaft 25 is driven to rotate by a motor.

The discharge port of the tank body 24 is connected with the feed port of the screw extruder 21, the extruder die head 22 is installed on the discharge end of the screw extruder 21, and the calender 23 is located at the discharge end of the extruder die head 22. mouth side,

The air extraction assembly includes an air extraction main pipe 27 and a group of dust collection hoods 28,

One group of air inlets is arranged on the air extraction main pipe 27 , and the air inlets of one group of dust collection hoods 28 communicate with the corresponding air extraction ports respectively, and the dust collection hoods 28 are positioned above the calender 23 .

A pair of baffles are arranged inside the tank body 24 .

The discharge port of the extruder die 22 faces the nip between a pair of rollers of the calender 23 .

The tank body 24 is composed of a body and a cover body, and the cover body is flange-connected with the body body.

The calender 23 is a three-roll calender.

Mixing tank 20, screw extruder 21, extruder die head 22 and calender 23 are all installed on the level ground by frame.

Working method and principle: the raw material of the waterproof board is pumped into the tank body 24 through the tank vacuum feeder 26, driven by the motor, the stirring shaft 25 rotates, and the granular waterproof board raw material is mixed and stirred evenly by the spiral blade, Then open the valve, the raw material of the waterproof board falls into the screw extruder 21, the raw material of the waterproof board is heated and melted by the screw extruder 21, and then output by the extruder die head 22 into the calender 23, pressed and formed, and the waterproofing after pressing and forming The plate enters the next station under the drive of the conveying roller. When the extruder outputs the waterproof board, the gas generated is collected by a set of dust collection hoods 28 and then extracted by the exhaust main pipe 27. Because it is a granular raw material, the spiral blade is used to stir it faster and evenly.

Claims (6)

1. A railway tunnel is characterized in that it comprises mixing tank (20), screw extruder (21), extruder die head (22), calender (23) and air extraction components, The mixing tank (20) comprises a tank body (24), a stirring shaft (25) and a tank body vacuum feeder (26), The bottom of the tank body (24) is provided with a discharge port, the discharge port of the tank body (24) is provided with a valve, the top of the tank body (24) is provided with a feed port, and the discharge port of the tank body vacuum feeder (26) The mouth is connected with the feeding port of the tank body (24), and the stirring shaft (25) is provided with a helical blade, and the stirring shaft (25) is installed in the tank body (24) through bearings, and the stirring shaft (25) is driven by a motor. rotate, The discharge port of the tank body (24) is connected with the feed port of the screw extruder (21), and the extruder die head (22) is installed on the discharge end of the screw extruder (21), and the calender (23 ) is located on one side of the discharge port of the extruder die head (22), The air extraction assembly comprises an air extraction main pipe (27) and a group of dust collection covers (28), Have one group of air extraction ports on the air extraction main pipe (27), and the air inlet of one group of dust collecting hoods (28) is connected with corresponding air extraction ports respectively, and dust collecting hoods (28) are positioned at calender (23) top. 2. A raw material extrusion molding device for waterproof boards for railway tunnels according to claim 1, characterized in that a pair of baffles are arranged inside the tank body (24). 3. A raw material extrusion molding device for waterproof boards for railway tunnels according to claim 1, characterized in that the discharge port of the extruder die (22) faces between a pair of rollers of the calender (23) rolling gap. 4. A raw material extrusion molding device for waterproof boards for railway tunnels according to claim 1, characterized in that the tank body (24) is composed of a body and a cover, and the cover is flange-connected to the body. 5. A raw material extrusion molding device for waterproof boards for railway tunnels according to claim 1, characterized in that the calender (23) is a three-roll calender. 6. A kind of waterproof board raw material extrusion molding device for railway tunnel according to claim 1, characterized in that mixing tank (20), screw extruder (21), extruder die head (22) and calender Machine (23) is all installed on the level ground by frame.

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