Melt extrusion device for low-temperature curing powder coating production

By introducing an annular water tank and spray nozzle structure into the low-temperature curing powder coating production device, the problem of inconvenient internal wall cleaning was solved, achieving a highly efficient internal wall cleaning effect and ensuring the reliability and production efficiency of the device.

CN223573769UActive Publication Date: 2025-11-21HENAN XINGSHUN NEW MATERIAL TECH CO LTD
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Patent Information

Application Number
CN202422081414.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-27
Publication Date
2025-11-21
Estimated Expiration
2034-08-27

AI Technical Summary

Technical Problem

In the current production process of low-temperature curing epoxy polymer powder coatings, cleaning the inner wall of the extrusion device is inconvenient, and the water pipe is difficult to extend, resulting in poor cleaning effect.

Method used

A melt extrusion device for producing low-temperature curing powder coatings was designed. It adopts a combination structure of an annular water tank, sealed bearing, water inlet pipe, hollow groove, first nozzle and second nozzle. High-pressure water is used to clean the inner wall, and all-round cleaning is achieved by rotating the shaft and spraying the nozzle.

Benefits of technology

It enables convenient and efficient internal wall cleaning, ensuring no residue on the inner wall of the device and improving reliability and production efficiency for the next use.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a melt extrusion device for low-temperature curing powder coating production, which relates to the technical field of powder coating production and comprises a support frame, an extrusion cylinder is fixedly connected to the surface of the upper part of the support frame, a support plate is fixedly connected to the left side surface of the support frame, and a driving motor is mounted on the upper surface of the support plate. A spiral blade is fixedly connected to the surface of the rotating shaft, an extrusion head is fixedly connected to the right side face of the extrusion cylinder, a feeding pipe is installed on the upper surface of the left side of the supporting frame, a fixing rod is fixedly connected to the left side face of the supporting frame, and an annular water tank is fixedly connected to the other end of the fixing rod; the upper surface of the annular water tank is connected with a water inlet pipe, a hollow groove is formed in the rotating shaft, a first spray head is installed on the surface of the rotating shaft, and through the arrangement of the annular water tank, the sealing bearing, the water inlet pipe, the hollow groove, the first spray head and a second spray head, the purpose of conveniently cleaning the interior of the extrusion device is achieved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to powder coating production technical field, concretely to a low temperature solidification powder coating production melt extrusion device. BACKGROUND

[0002] Low temperature solidification epoxy polymer powder coating is solid powder synthetic resin coating composed of solid resin and pigment, filler and additive, has the characteristics of harmless, high efficiency, resource saving and environmental protection, at present, the application field of low temperature solidification epoxy polymer powder coating is relatively wide, in the production process of low temperature solidification epoxy polymer powder coating, the extrusion equipment needs to be used to heat melt extrusion processing to the powder coating.

[0003] The low temperature solidification epoxy polymer powder coating production melt extrusion device disclosed in Chinese utility model patent application publication specification CN217042165U, although the utility model can control the powder coating to enter the extrusion cylinder intermittently, realizes the intermittent feeding function, avoids that the feeding amount is too large and influences the heating melt effect of the powder coating, and then can improve the extrusion quality, and the rotation of multiple arc-shaped hooks can increase the movement range of the powder coating in the feeding pipe, avoids that the powder coating is accumulated in the feeding pipe and blocks the feeding pipe, and then can guarantee that the extrusion work is carried out smoothly, but after the device is used, the inner wall of the extrusion device needs to be cleaned, avoids that the dried coating is adhered to the inner wall of the extrusion device and influences the next use, but when the inner wall of the extrusion device is cleaned, since the water pipe is inconvenient to extend into the extrusion device, the cleaning effect is poor, and the inner wall of the extrusion device is inconvenient to clean. UTILITY MODEL CONTENTS

[0004] (I) technical problems solved

[0005] In view of the defects of the prior art, the utility model provides a low temperature solidification powder coating production melt extrusion device, which solves the problems in the above background.

[0006] (II) technical scheme

[0007] To achieve the above object, the utility model discloses a low temperature solidification powder coating production melt extrusion device through the following technical schemes, a support frame is fixedly connected with the extrusion cylinder on the surface of the upper portion of support frame, the left side of support frame is fixedly connected with the supporting plate, and the upper surface of supporting plate is installed with the drive motor, and the output of drive motor is fixedly connected with the pivot shaft, and the other end of pivot shaft is arranged in the extrusion cylinder, and the connecting place of pivot shaft and extrusion cylinder is provided with the bearing, and the surface of pivot shaft is fixedly connected with the spiral blade, and the right side of extrusion cylinder is fixedly connected with the extrusion head, and the upper surface of left side of support frame is installed with the feed pipe, and the left side of support frame is fixedly connected with the fixed link, and the other end of fixed link is fixedly connected with the annular water tank, and the upper surface of annular water tank is connected with the water inlet pipe, and the inside of pivot shaft is provided with the hollow groove, and the surface of pivot shaft is installed with the first spray head.

[0008] Optionally, the number of the fixed rods is eight, and the fixed rods are distributed in a rectangular array.

[0009] Optionally, a sealing bearing is installed at the connection between the annular water tank and the pivot shaft, and the other side of the sealing bearing is connected with the outer surface of the pivot shaft.

[0010] Optionally, the number of the sealing bearings is two, and the sealing bearings are arranged at the two connections between the annular water tank and the pivot shaft.

[0011] Optionally, a water inlet is formed in the surface of the left side of the pivot shaft, the water inlet is communicated with the hollow groove, and the hollow groove is arranged in the annular water tank.

[0012] Optionally, the number of the first spray heads is several, and the first spray heads are staggered and distributed in the middle of the spiral blade, a second spray head is installed on the right side of the pivot shaft, and the second spray head is opposite to the extrusion head.

[0013] The utility model provides a low temperature solidification powder coating production melt extrusion device, has the following beneficial effects:

[0014] 1. The low-temperature curing powder coating production melting extrusion device, through the setting of the annular water tank, the sealing bearing, the water inlet pipe, the hollow groove, the first spray head and the second spray head, the low-temperature curing powder coating production melting extrusion device has the effect that the inner wall is convenient to clean, after the extrusion device is used, when the inner wall of the extrusion cylinder needs to be cleaned, the staff connects the other end of the water inlet pipe with the high-pressure water pipe, opens the control valve, and makes the water enter the annular water tank through the water inlet pipe, the water in the annular water tank enters the hollow groove through the water inlet, when the hollow groove is full of water, under the action of pressure, the water is sprayed outwards through the first spray head and the second spray head on the surface of the rotating shaft, the water sprayed out of the second spray head washes the extrusion head, in the washing process, the driving motor can be started to run at a rotating speed, under the action of the sealing bearing, only a small amount of water leaks during the rotation of the rotating shaft, the range of washing is increased through the rotation of the hollow groove, the inside of the extrusion cylinder can be better cleaned, the operation is simple and convenient, and the purpose that the inside of the extrusion device is convenient to clean is achieved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0016] Figure 2 It is a structure schematic view of the front view section of the utility model;

[0017] Figure 3 It is a structure schematic view of the utility model Figure 2 A place in the middle;

[0018] Figure 4 It is a structure schematic view of the utility model Figure 2 B place in the middle.

[0019] In the drawing: 1, support frame; 2, extrusion cylinder; 3, support plate; 4, driving motor; 5, rotating shaft; 6, spiral blade; 7, extrusion head; 8, fixed rod; 9, annular water tank; 10, sealing bearing; 11, water inlet pipe; 12, hollow groove; 13, water inlet; 14, first spray head; 15, second spray head; 16, feed pipe. DETAILED DESCRIPTION

[0020] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Embodiment 1

[0021] Please refer to Figures 1 to 4The utility model provides technical scheme: a low temperature solidification powder coating production melt extrusion device, including support frame 1, the surface fixed connection of support frame 1 upper portion has extrusion cylinder 2, support frame 1's left side fixed connection has support plate 3, the upper surface of support plate 3 is installed drive motor 4, drive motor 4's output fixed connection has the shaft 5, the other end of the shaft 5 is arranged in extrusion cylinder 2, the bearing is arranged at the junction of the shaft 5 and extrusion cylinder 2, the surface fixed connection of the shaft 5 has helical vane 6, the right side fixed connection of extrusion cylinder 2 has extrusion head 7, the upper surface of support frame 1 left side is installed feed pipe 16, support frame 1's left side fixed connection has fixed link 8, fixed link 8's number is eight, and it is rectangular array distribution, the other end fixed connection of fixed link 8 has annular water tank 9, the upper surface connection of annular water tank 9 has water inlet pipe 11, the inside hollow groove 12 of the shaft 5 is set up, the surface installation of the shaft 5 has first shower head 14, annular water tank 9 and the installation of the shaft 5's junction have sealed bearing 10, the other side of sealed bearing 10 and the outer surface of the shaft 5 are connected, sealed bearing 10's number is two, and is arranged respectively at the two junctions of annular water tank 9 and the shaft 5, the surface of the shaft 5 left side is set up water inlet 13, water inlet 13 and hollow groove 12 are communicated, and hollow groove 12 is arranged in annular water tank 9, the number of first shower head 14 is several, and is staggered distribution in the middle of helical vane 6, the right side installation of the shaft 5 has second shower head 15, second shower head 15 and extrusion head 7 are opposite.

[0022] In order to reach the purpose that the inside of the extrusion device is cleaned conveniently, when using, through the setting of annular water tank 9, sealed bearing 10, water inlet pipe 11, hollow groove 12, first shower head 14 and second shower head 15, the low temperature solidification powder coating production melt extrusion device has the effect that the inside wall is cleaned conveniently, after using the extrusion device, when the inside wall of extrusion cylinder 2 needs to be cleaned, the other end of water inlet pipe 11 is connected with high-pressure water pipe by staff, and control valve is opened, so that water enters annular water tank 9 through water inlet pipe 11, the water in annular water tank 9 enters hollow groove 12 through water inlet 13, when the water in hollow groove 12 is full, under the action of pressure, water is sprayed outward through first shower head 14 and second shower head 15 on the surface of shaft 5, the water sprayed through first shower head 14 and second shower head 15 cleans the inside wall of support frame 1 and the surface of helical vane 6, the water sprayed at second shower head 15 washes extrusion head 7, in the process of washing, drive motor 4 can be opened, so that drive motor 4 runs at a speed, only a small amount of water leaks under the action of sealed bearing 10 during the rotation of shaft 5, the range of washing is increased through the rotation of hollow groove 12, the inside of extrusion cylinder 2 can be better cleaned, the operation is simple and convenient, and the purpose that the inside of the extrusion device is cleaned conveniently is achieved.

[0023] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A low temperature curing powder coating production melt extrusion device comprising a support frame (1), characterized in that: The upper surface of the support frame (1) is fixedly connected with an extrusion cylinder (2), the left side of the support frame (1) is fixedly connected with a support plate (3), the upper surface of the support plate (3) is installed with a driving motor (4), the output end of the driving motor (4) is fixedly connected with a rotating shaft (5), the other end of the rotating shaft (5) is arranged in the extrusion cylinder (2), bearings are arranged at the connecting position of the rotating shaft (5) and the extrusion cylinder (2), the surface of the rotating shaft (5) is fixedly connected with a spiral blade (6), the right side of the extrusion cylinder (2) is fixedly connected with an extrusion head (7), the upper surface of the left side of the support frame (1) is installed with a feeding pipe (16), the left side of the support frame (1) is fixedly connected with a fixed rod (8), the other end of the fixed rod (8) is fixedly connected with a ring-shaped water tank (9), the upper surface of the ring-shaped water tank (9) is connected with a water inlet pipe (11), the inside of the rotating shaft (5) is provided with a hollow groove (12), and the surface of the rotating shaft (5) is installed with a first nozzle (14).

2. A low temperature cure powder coating production melt extrusion apparatus according to claim 1 characterised in that: The number of the fixed rods (8) is eight, and the fixed rods (8) are distributed in a rectangular array.

3. A low temperature curing powder paint production melt extrusion apparatus according to claim 1 characterised in that: The connecting position of the ring-shaped water tank (9) and the rotating shaft (5) is installed with a sealing bearing (10), and the other surface of the sealing bearing (10) is connected with the outer surface of the rotating shaft (5).

4. A low temperature curing powder paint production melt extrusion apparatus according to claim 3, characterised in that: The number of the sealing bearings (10) is two, and the sealing bearings (10) are arranged at the two connecting positions of the ring-shaped water tank (9) and the rotating shaft (5) respectively.

5. A low temperature curing powder paint production melt extrusion apparatus as claimed in claim 1, wherein: The left surface of the rotating shaft (5) is provided with a water inlet (13), the water inlet (13) is communicated with the hollow groove (12), and the hollow groove (12) is arranged in the ring-shaped water tank (9).

6. A low temperature cure powder coating production melt extrusion apparatus as defined in claim 1, characterized in that: The number of the first nozzles (14) is several, and the first nozzles (14) are staggered and distributed in the middle of the spiral blade (6), the right surface of the rotating shaft (5) is installed with a second nozzle (15), and the second nozzle (15) is opposite to the extrusion head (7).

Citation Information

Patent Citations

  • Melt extrusion device for low-temperature curing epoxy polymer powder coating production

    CN217042165U