A convenient cleaning screw sleeve for a twin-screw extruder

Abstract

This utility model relates to the technical field of twin-screw extruder equipment, specifically to a screw sleeve for a twin-screw extruder that is easy to clean. It includes two plates arranged symmetrically vertically. Each plate has two arc-shaped semi-holes on one opposite side, the arc-shaped semi-holes extending through the length of the plate. Side plates are provided on both sides along the length of the plate, and adjacent side plates are connected by bolts. Two adjacent heat dissipation pipes are provided within each plate. An inlet pipe and a outlet pipe are respectively provided at both ends of each plate. The inlet pipe is connected to the two heat dissipation pipes, and the delivery ends of both heat dissipation pipes are connected to the outlet pipe. A connector is provided on the inlet pipe, and a filter bag is provided inside the connector, thus solving the problem of difficult cleaning of the screw sleeve's inner cavity.

Description

Technical Field

[0001] This utility model relates to the technical field of twin-screw extruder equipment, specifically to a screw sleeve for a twin-screw extruder that is easy to clean. Background Technology

[0002] With the expanding application of extruders in industries such as plastics, chemicals, and food, cleaning extruders has become an important part of the production process for various enterprises. Since the screw can be pulled out for cleaning, it is relatively easy to clean. However, cleaning the inner cavity of the screw sleeve, which consists of multiple interconnected units, is much more difficult.

[0003] Meanwhile, coolant channels are usually provided inside the screw sleeve of the extruder. Dirt and grime can easily accumulate in these channels, causing blockages and further increasing the difficulty of cleaning the screw sleeve. Utility Model Content

[0004] The purpose of this invention is to provide a screw sleeve for a twin-screw extruder that is easy to clean, thus solving the problem of difficult cleaning of the inner cavity of the screw sleeve.

[0005] To solve the above-mentioned technical problems, the present invention adopts the following technical solution:

[0006] A screw sleeve for a twin-screw extruder that is easy to clean includes two plates arranged symmetrically vertically. Each plate has two arc-shaped semi-holes on one side of its opposite side. These arc-shaped semi-holes penetrate along the length of the plate. Side plates are provided on both sides of the plate along its length, and adjacent side plates are connected by bolts. Two adjacent heat dissipation pipes are provided within each plate. An inlet pipe and a outlet pipe are provided at both ends of each plate. The inlet pipes are connected to the two heat dissipation pipes, and the delivery ends of both heat dissipation pipes are connected to the outlet pipe. A connector is provided on the inlet pipe, and a filter bag is provided inside the connector.

[0007] A further technical solution is that the liquid inlet pipe is connected to an adjacent heat dissipation pipe, and another heat dissipation pipe is connected to the liquid inlet pipe through a connecting pipe.

[0008] A further technical solution is that the heat dissipation pipe includes multiple U-shaped pipes, and two adjacent U-shaped pipes are connected by an arc-shaped pipe.

[0009] A further technical solution is that each of the two plates is provided with a first limiting groove on one side of the plate being disposed opposite to the plate, and the two arc-shaped semi-holes are disposed between the two first limiting grooves, and a sealing ring is provided in the first limiting groove.

[0010] A further technical solution is that one of the plates is provided with two second limiting grooves spaced apart, and the two first limiting grooves are disposed between the two second limiting grooves, and the other plate is provided with two limiting blocks corresponding to the second limiting grooves.

[0011] Compared with the prior art, the beneficial effects of this utility model are:

[0012] When cleaning the threaded sleeve, first loosen the bolts to facilitate the separation of the two plates, making it easier to clean the arc-shaped semi-holes on the plates. At the same time, by removing and placing the connector, regularly clean the filter bag at the connector to ensure that the liquid passing through the inlet pipe is filtered by the filter bag, thus preventing impurities from adhering to the inner wall of the heat dissipation pipe after passing through it. This achieves the goal of only needing to clean the filter bag periodically. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the structure of a screw sleeve for a twin-screw extruder that is easy to clean, according to the present invention.

[0014] Figure 2 This is a planar sectional view of the main body of this utility model.

[0015] Figure 3 This is a schematic diagram of the connector structure in this utility model. Detailed Implementation

[0016] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0017] Example:

[0018] refer to Figures 1 to 3 As shown, a screw sleeve for a twin-screw extruder that is easy to clean is disclosed, comprising two plates symmetrically arranged vertically. Each of the two plates 1 has two arc-shaped semi-holes 2 on one side of their opposite arrangement. The arc-shaped semi-holes 2 are arranged through the length of the plate 1. Side plates 3 are provided on both sides of the length of the plate 1, and two adjacent side plates 3 are connected by bolts 4. Two adjacent heat dissipation pipes 5 are provided inside the plate 1. A liquid inlet pipe 6 and a liquid outlet pipe 7 are respectively provided at both ends of the plate 1. The liquid inlet pipe 6 is connected to the two heat dissipation pipes 5, and the conveying ends of the two heat dissipation pipes 5 are connected to the liquid outlet pipe 7. A connector 8 is provided on the liquid inlet pipe 6, and a filter bag 9 is provided inside the connector 8.

[0019] In this invention, when the screw sleeve needs to be cleaned, the bolt 4 is first unscrewed, which facilitates the separation of the two plates 1 set above and below, and at the same time facilitates the cleaning of the arc-shaped half hole 2 of the plate 1. Meanwhile, by taking and putting on the connector 8, the filter bag at the connector 8 is cleaned regularly, ensuring that the liquid passing through the liquid inlet pipe 6 is filtered by the filter bag 9, thereby preventing impurities from adhering to the inner wall of the heat dissipation pipe 5 after passing through the heat dissipation pipe 5, so that only the filter bag 9 needs to be cleaned regularly.

[0020] The liquid inlet pipe 6 is connected to the adjacent heat dissipation pipe 5. Another heat dissipation pipe 5 is connected to the liquid inlet pipe 6 through a connecting pipe. The heat dissipation pipe 5 includes multiple U-shaped pipes 10, and two adjacent U-shaped pipes 10 are connected through an arc-shaped pipe 11.

[0021] The coolant is transported to another heat dissipation pipe 5 through the connecting pipe, which facilitates the diversion of the coolant and thus improves the heat exchange effect of the coolant.

[0022] Each of the two plates 1 is provided with a first limiting groove 12 on one side of the opposite arrangement. The two arc-shaped semi-holes 2 are arranged between the two first limiting grooves 12, and a sealing ring 13 is provided in the first limiting groove 12. The sealing ring 13 is used to prevent the liquid flowing out under pressure in the arc-shaped semi-hole 2 from leaking from the connection between the two plates 1.

[0023] One of the plate bodies 1 is provided with two spaced second limiting grooves 14, and two first limiting grooves 12 are provided between the two second limiting grooves 14. The other plate body 1 is provided with two limiting blocks 15 corresponding to the second limiting grooves 14. After the two plate bodies 1 are installed, the limiting blocks 15 are locked in the second limiting grooves 14. The size of the limiting blocks 15 is adapted to the second limiting grooves 14 to improve the stability of the two plate bodies 1 after connection.

[0024] Although the present invention has been described herein with reference to several illustrative embodiments, it should be understood that many other modifications and implementations can be devised by those skilled in the art, which will fall within the scope and spirit of the principles disclosed herein. More specifically, various variations and modifications can be made to the components and / or layout of the subject matter combination within the scope of the disclosure, drawings, and claims. Besides variations and modifications to the components and / or layout, other uses will be apparent to those skilled in the art.

Claims

1. A screw sleeve for a twin screw extruder that is easy to clean, characterized in that: The device includes two symmetrically arranged plates, each with two arc-shaped semi-holes on one side of its opposite side. These arc-shaped semi-holes penetrate the length of the plate. Side plates are located on both sides of the plate along its length, and adjacent side plates are connected by bolts. Two adjacent heat dissipation pipes are located within each plate. An inlet pipe and an outlet pipe are located at each end of the plate. The inlet pipes are connected to the two heat dissipation pipes, and the delivery ends of both heat dissipation pipes are connected to the outlet pipe. A connector is provided on the inlet pipe, and a filter bag is installed inside the connector.

2. A convenient cleaning screw sleeve for a twin screw extruder according to claim 1, characterized in that: The liquid inlet pipe is connected to an adjacent heat dissipation pipe, and another heat dissipation pipe is connected to the liquid inlet pipe via a connecting pipe.

3. A convenient cleaning screw sleeve for a twin screw extruder according to claim 1, characterized in that: The heat dissipation pipe includes multiple U-shaped pipes, and two adjacent U-shaped pipes are connected by an arc-shaped pipe.

4. A convenient cleaning screw sleeve for a twin screw extruder according to claim 1, characterized in that: Each of the two plates is provided with a first limiting groove on one side of the plate being disposed opposite to the plate. The two arc-shaped semi-holes are disposed between the two first limiting grooves, and a sealing ring is provided in the first limiting groove.

5. A convenient cleaning screw sleeve for a twin screw extruder according to claim 4, characterized in that: One of the plates has two spaced-apart second limiting grooves, and two first limiting grooves are disposed between the two second limiting grooves. The other plate has two limiting blocks that are disposed corresponding to the second limiting grooves.

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