Pipeline structure in extruder barrel

By designing a pipe structure with an outer barrel and an inner barrel inside the extruder barrel, and using a detection ring seat and a temperature sensor to achieve real-time monitoring and control of the fluid end temperature, the problems of inconvenient disassembly and assembly and insufficient temperature monitoring are solved, thus improving the flexibility and practicality of the equipment.

CN223720136UActive Publication Date: 2025-12-26南京达力特挤出机械有限公司
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Patent Information

Application Number
CN202520189328.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-07
Publication Date
2025-12-26
Estimated Expiration
2035-02-07

AI Technical Summary

Technical Problem

The existing extruder barrel and piping structure has limitations in terms of flexible disassembly and replacement, and the monitoring of fluid end temperature is insufficient, so its practicality needs to be improved.

Method used

A pipeline structure comprising an outer cylinder and an inner cylinder was designed. A detection ring seat is installed at one end of the inner cylinder. The detection ring seat is filled with heat-conducting oil and equipped with a temperature sensor. It is fixed by connecting bolts and tension springs. Combined with a resistance heating tube and a temperature controller, real-time temperature monitoring and control are achieved.

Benefits of technology

It enables flexible disassembly and assembly of the inner cylinder and real-time monitoring of the fluid terminal temperature, ensuring smooth fluid flow, improving the stability and functionality of the equipment, avoiding material residue, and reducing heat loss.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a pipeline structure in an extruder barrel, relates to the technical field of extruder barrels, and aims to solve the problems that the conventional barrel pipeline structure has limitation in flexible disassembly, assembly and replacement, meanwhile, the temperature monitoring of the tail end of fluid is insufficient, and the practicability needs to be improved. The device comprises an outer cylinder, an inner cylinder is installed at the center axis position in the outer cylinder, a detection ring seat is installed at one end of the inner cylinder, the interior of the detection ring seat is of a hollow structure, the detection ring seat is filled with heat conduction oil, a mounting hole is formed in the side surface of the detection ring seat, and a temperature sensor is fixedly installed in the mounting hole. And a through hole with the same diameter as the inner hole of the inner cylinder is formed in the middle axis position of the detection ring seat. And the effects that the internal structure can be flexibly and conveniently disassembled, assembled and replaced, meanwhile, the temperature of the tail end of the fluid can be effectively monitored in real time, and practicability is high are achieved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to extruder barrel technical field especially is involved in a kind of pipeline structure in extruder barrel. BACKGROUND

[0002] In the plastic processing, chemical industry etc., extruder is a commonly used equipment, and the pipeline structure in its barrel plays a key role for the conveying, melting and plasticizing of material, and it is one of the key structures to ensure the normal operation of extruder.

[0003] The existing barrel pipeline structure has limitations in flexible disassembly and replacement, and there are deficiencies in temperature monitoring of fluid end, so the practicality needs to be improved. UTILITY MODEL CONTENT

[0004] The utility model discloses a kind of pipeline structure in extruder barrel can be flexibly and conveniently disassembled and replaced for internal structure, while effectively real-time monitoring fluid end temperature, and practicality is strong.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A kind of pipeline structure in extruder barrel, including outer cylinder body, inner cylinder body is installed at the inside central axis position of the outer cylinder body, one end of the inner cylinder body is installed with detection ring seat, the inside of the detection ring seat is hollow structure, and the inside of detection ring seat is filled with heat conducting oil, installation hole is provided on the side surface of the detection ring seat, and temperature sensor is fixedly installed in the inside of installation hole.

[0007] By adopting the above technical scheme, the inner cylinder body can be disassembled flexibly, and the temperature of fluid end can be monitored in real time.

[0008] Further, the central axis position of the detection ring seat is provided with the through-hole same as the inner hole diameter of the inner cylinder body, and the inner hole wall of the through-hole of the detection ring seat is flush with the inner hole wall of the inner cylinder body.

[0009] By adopting the above technical scheme, it is ensured that fluid material can flow smoothly.

[0010] Further, annular connecting seat is integrally connected on the inner wall of the outer cylinder body, a plurality of threaded holes are provided on the outer surface of the connecting seat, flange structure is provided on the outer surface of the detection ring seat, and the flange structure of the detection ring seat and the connecting seat are fixedly connected by a plurality of connecting bolts, and the outside of the connecting bolt is sleeved with tension spring.

[0011] By adopting the above technical scheme, the connection firmness of the inner cylinder body and the detection ring seat can be improved.

[0012] Further, the inner part of the outer cylinder is provided with a spiral resistance heating pipe, the resistance heating pipe is sleeved on the outer part of the inner cylinder, a temperature controller is fixedly installed on the outer surface of the outer cylinder, and the temperature sensor and the resistance heating pipe are electrically connected with the temperature controller.

[0013] By adopting the technical scheme, temperature control can be performed.

[0014] Further, the inner wall of the outer cylinder is attached with a thermal insulation rock wool block.

[0015] By adopting the technical scheme, the overall thermal insulation performance can be improved.

[0016] Further, the inner part of the outer cylinder is provided with a spiral resistance heating pipe, the resistance heating pipe is sleeved on the outer part of the inner cylinder, a temperature controller is fixedly installed on the outer surface of the outer cylinder, and the temperature sensor and the resistance heating pipe are electrically connected with the temperature controller.

[0017] By adopting the technical scheme, the structural stability of the inner cylinder can be improved.

[0018] In summary, the beneficial technical effects of the utility model are as follows:

[0019] 1. The utility model discloses a positioning rod for positioning and fixing the inner cylinder, and the detection ring seat is used for extruding and limiting one end of the inner cylinder, so that the extrusion operation can be stably performed, and the detection ring seat can be conveniently and flexibly disassembled and replaced after long-time use, and the utility model has high practicability, and the detection ring seat can monitor the fluid temperature at the extrusion end in real time, so that the utility model provides real-time monitoring data for the control end, and the functionality and practicability are further improved.

[0020] 2. When the utility model works, the fluid temperature is conducted to the heat conduction oil in the detection ring seat when the fluid passes through the through hole of the detection ring seat, the heat conduction oil is heated, then the temperature sensor is used to detect the temperature of the heat conduction oil, and the detected data is transmitted to the temperature controller, when the fluid temperature is insufficient, the temperature controller starts the resistance heating pipe, the resistance heating pipe can effectively heat the material in the inner cylinder, so that the extrusion operation can be smoothly performed, and the material is prevented from being left on the inner wall of the inner cylinder, and the practicability is further improved. DRAWINGS

[0021] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0022] Figure 2 It is an internal structure view of the utility model;

[0023] Figure 3 It is an internal structure view of the utility model; Figure 2 A magnified view of the utility model is shown in the figure.

[0024] Fig. 1, outer cylinder; 2, temperature controller; 3, end cover; 4, inner cylinder; 5, positioning rod; 6, resistance heating tube; 7, heat preservation rock wool block; 8, detection ring seat; 9, connecting seat; 10, connecting bolt; 11, tension spring; 12, temperature sensor. DETAILED DESCRIPTION

[0025] The utility model method will be further explained in detail below in combination with the drawings.

[0026] Referring to Figure 1 , Figure 2 , Figure 3 , a pipeline structure in the barrel of an extruder, comprising an outer cylinder 1, an inner cylinder 4 is installed at the central axis position in the inside of the outer cylinder 1, a plurality of positioning rods 5 are arranged on the end face of the detection ring seat 8 and the inside end face of the outer cylinder 1, positioning holes are arranged at both ends of the inner cylinder 4, the positioning rods 5 are inserted into the inside of the positioning holes, and an end cover 3 is sleeved and installed at one end of the outer cylinder 1, wherein the inner cylinder 4 is positioned and fixed by the positioning rods 5, one end of the inner cylinder 4 is extruded and limited by the detection ring seat 8, the stable extrusion operation can be ensured, the inner cylinder 4 can be conveniently and flexibly disassembled and replaced after long-time use, the practicability is high, the detection ring seat 8 can monitor the fluid temperature at the extrusion end in real time, real-time monitoring data is provided for the control end, and the functionality and practicability are further improved.

[0027] Referring to Figure 1 , Figure 2 , Figure 3 , one end of the inner cylinder 4 is installed with a detection ring seat 8, the inside of the detection ring seat 8 is provided as a hollow structure, the inside of the detection ring seat 8 is filled with heat conducting oil, mounting holes are arranged on the side surface of the detection ring seat 8, temperature sensors 12 (PT100) are fixedly installed in the inside of the mounting holes, a through hole with the same diameter as the inner hole of the inner cylinder 4 is arranged at the central axis position of the detection ring seat 8, the inner wall of the through hole of the detection ring seat 8 is flush with the inner hole wall of the inner cylinder 4, a spiral resistance heating tube 6 is arranged in the inside of the outer cylinder 1, the resistance heating tube 6 is sleeved outside the inner cylinder 4, a temperature controller 2 is fixedly installed on the outer surface of the outer cylinder 1, and the temperature sensor 12 and the resistance heating tube 6 are electrically connected with the temperature controller 2, wherein when the fluid passes through the inside of the through hole of the detection ring seat 8 during work, the temperature of the fluid is conducted into the heat conducting oil in the inside of the detection ring seat 8, at this time, the heat conducting oil is heated, then the temperature of the heat conducting oil is detected by the temperature sensor 12, and the detected data is transmitted to the inside of the temperature controller 2, when the fluid temperature is insufficient, the temperature controller 2 starts the resistance heating tube 6, the resistance heating tube 6 can effectively heat the material in the inside of the inner cylinder 4, the extrusion operation can be smoothly carried out, and the material is prevented from being left on the inner wall of the inner cylinder 4, and the practicability is further improved.

[0028] ReferringFigure 2 、 Figure 3 , the inner wall of the outer cylinder body 1 is integrally connected with an annular connecting seat 9, a plurality of threaded holes are arranged on the outer surface of the connecting seat 9, the outer surface of the detection ring seat 8 is provided with a flange structure, and the flange structure of the detection ring seat 8 is fixedly connected with the connecting seat 9 through a plurality of connecting bolts 10. The outer part of the connecting bolt 10 is sleeved with a tension spring 11, and the inner wall of the outer cylinder body 1 is adhered with a thermal insulation rock wool block 7, wherein the thermal insulation rock wool block 7 can be used to improve the thermal insulation performance of the entire pipeline structure and reduce heat loss.

[0029] Working principle: in use, first, assemble each component, then install the assembled pipeline structure at the specified position of the extruder, at this time, normal work can be carried out, the rotation of the spiral structure penetrating the inner cylinder body 4 can make the fluid orderly pass through the inside of the inner cylinder body 4 and the detection ring seat 8, at this time, the temperature of the fluid will be conducted to the inside of the detection ring seat 8. The temperature of the heat conducting oil is detected by the temperature sensor 12, and the detected data is transmitted to the inside of the temperature controller 2, when the fluid temperature is insufficient, the temperature controller 2 starts the resistance heating tube 6, which can effectively heat the material in the inner cylinder body 4, ensuring that the extrusion operation can be carried out smoothly. Since the thermal insulation rock wool block 7 is pasted on the inner wall of the outer cylinder body 1, the heat loss can be effectively reduced. After a long time of work, since the inner cylinder body 4 is positioned and fixed by the positioning rod 5, and the one end of the inner cylinder body 4 is extruded and limited by the detection ring seat 8, the detection ring seat 8 can be disassembled, so that the inner cylinder body 4 can be conveniently extracted, and the inner cylinder body 4 can be conveniently replaced, and the practicability is high.

[0030] The real-time examples of the specific real-time mode are the preferred examples of the utility model, and do not limit the protection scope of the utility model, so that: equivalent changes made according to the structure, shape and principle of the utility model should be covered in the protection scope of the utility model.

Claims

1. A duct structure in an extruder barrel, comprising an outer barrel (1), characterized in that: The inner shaft position of the outer cylinder (1) is provided with an inner cylinder (4), one end of the inner cylinder (4) is provided with a detection ring seat (8), the inside of the detection ring seat (8) is provided as a hollow structure, and the inside of the detection ring seat (8) is filled with heat conducting oil, the side surface of the detection ring seat (8) is provided with a mounting hole, and the inside of the mounting hole is fixedly provided with a temperature sensor (12).

2. A conduit structure within an extruder barrel according to claim 1, characterized in that: The central axis position of the detection ring seat (8) is provided with a through hole with the same diameter as the inner hole of the inner cylinder (4), and the inner wall of the through hole of the detection ring seat (8) is flush with the inner hole wall of the inner cylinder (4).

3. A conduit structure within an extruder barrel according to claim 1, wherein: The inner wall of the outer cylinder (1) is integrally connected with an annular connecting seat (9), the outer surface of the connecting seat (9) is provided with a plurality of threaded holes, the outer surface of the detection ring seat (8) is provided with a flange structure, and the flange structure of the detection ring seat (8) and the connecting seat (9) are fixedly connected through a plurality of connecting bolts (10), the outside of the connecting bolt (10) is sleeved with a tension spring (11).

4. A conduit structure within an extruder barrel according to claim 1, wherein: The inside of the outer cylinder (1) is provided with a spiral resistance heating pipe (6), the resistance heating pipe (6) is sleeved outside the inner cylinder (4), the outer surface of the outer cylinder (1) is fixedly provided with a temperature controller (2), and the temperature sensor (12) and the resistance heating pipe (6) are electrically connected with the temperature controller (2).

5. A conduit structure within an extruder barrel according to claim 1 wherein: The inner wall of the outer cylinder (1) is adhered with a heat preservation rock wool block (7).

6. A conduit structure within an extruder barrel according to claim 1 wherein: The inner end surface of the outer cylinder (1) and the end surface of the detection ring seat (8) are both provided with a plurality of positioning rods (5), both ends of the inner cylinder (4) are provided with positioning holes, the positioning rods (5) are inserted into the positioning holes, and one end of the outer cylinder (1) is sleeved with an end cover (3).