Multi-stage heating and melting device for PVC (polyvinyl chloride) pipe processing

Abstract

The utility model discloses a multi-stage heating melting device for PVC pipe processing, which comprises a box body, a first motor, a second motor, a first feed hopper and a second feed hopper are arranged on the box body, the output end of the first motor is connected with a first rotating column, a first spiral blade is arranged on the first rotating column, and a second spiral blade is arranged on the second rotating column. The output end of the first motor is connected with a first rotating column, the output end of the second motor is connected with a first spiral blade, the first spiral blade is provided with a heating wire, the output end of the second motor is connected with a second rotating column, the second rotating column is provided with a second spiral blade, the second spiral blade is provided with a heating wire, the first feeding hopper is connected with a first feeding pipe, and the first feeding pipe is connected with a first stock bin. A first heating pipe is arranged on the outer wall of the first stock bin, the second feeding hopper is connected with a second feeding pipe, the second feeding pipe is connected with a second stock bin, and a second heating pipe is arranged on the outer wall of the second stock bin. According to the device, the heating efficiency can be improved, heat energy can be better utilized, the production efficiency is improved, and the applicability is enhanced.

Description

Technical Field

[0001] The utility model relates to the technical field of hot melting for PVC pipe processing, in particular to a multi-stage heating and melting device for PVC pipe processing. Background Technique

[0002] The main component of PVC is polyvinyl chloride, a material to which other components are added to enhance its heat resistance, toughness, and ductility. It is a synthetic material that is deeply loved, quite popular, and widely used in the world today. Among many PVC products, a commonly used PVC product is the PVC pipe. It has good performance and is a commonly used auxiliary equipment in various industries, making the production of each industry more convenient. During the production process of PVC pipes, polyvinyl chloride and corresponding raw materials need to be heated and then injection-molded to produce PVC pipes.

[0003] The patent with the application number CN201921323472.5 discloses a multi-stage heating and melting device for PVC pipe processing, including a feed bin, a cylinder body, and a second motor. One surface of the feed bin is fixed with a discharge pipe, and a valve is arranged on the discharge pipe. Another surface of the feed bin is fixed with a baffle, and a blower is fixed on one surface of the baffle. One end of the air outlet of the blower is fixed with a first air pipe. One surface of the cylinder body is fixed with a fixing plate, and a second air pipe is fixedly penetrated through one surface of the fixing plate. In the utility model, the raw materials in the feed bin are subjected to primary heating treatment by the heating wire on the spiral blade, and the heating rod inside the cylinder body raises the temperature of the cylinder body, thereby performing secondary heating on the raw materials inside the feed bin. Finally, the air sent into the cylinder body by the blower is heated by the heating rod and then sent into the feed bin along the third air pipe to perform tertiary heating on the raw materials. However, because this device is in a non-closed environment, part of the thermal energy is lost during the heating process, resulting in low heating efficiency and a problem of insufficient production efficiency. Therefore, in order to improve the heating efficiency, make better use of thermal energy, improve the production efficiency, and enhance the applicability, the utility model provides a multi-stage heating and melting device for PVC pipe processing. Content of the Utility Model

[0004] The purpose of the utility model is to solve the above problems and design a multi-stage heating and melting device for PVC pipe processing.

[0005] To achieve the above object, the technical solution of the present utility model is a multi-stage heating and melting device for PVC pipe processing, including a box body. The outer part of the box body is coated with a heat insulation layer. The box body is provided with a first motor, a second motor, a first feed hopper and a second feed hopper. The output end of the first motor is connected to a first rotating column. A first spiral blade is provided on the first rotating column. Heating wires are provided on the first spiral blade. The output end of the second motor is connected to a second rotating column. A second spiral blade is provided on the second rotating column. Heating wires are provided on the second spiral blade. The first feed hopper is connected to a first feed pipe. The first feed pipe is connected to a first storage bin. A first heating pipe is provided on the outer wall of the first storage bin. The second feed hopper is connected to a second feed pipe. The second feed pipe is connected to a second storage bin. A second heating pipe is provided on the outer wall of the second storage bin.

[0006] Furthermore, a box body heating pipe is provided on the inner wall of the box body. The box body heating pipe covers the entire inner wall of the box body. The box body is provided with a first heating blower and a second heating blower. The first heating blower is provided with a first air inlet pipe and a first air return pipe. The second heating blower is provided with a second air inlet pipe and a second air return pipe. The output ends of the first air inlet pipe and the second air inlet pipe both extend into the interior of the box body. The input ends of the first air return pipe and the second air return pipe both extend into the interior of the box body. The first storage bin is connected to a first discharge pipe. A first valve is provided on the first discharge pipe. The second storage bin is connected to a second discharge pipe. A second valve is provided on the second discharge pipe. A centralized storage box is provided inside the box body. The centralized storage box is connected to the output ends of the first discharge pipe and the second discharge pipe. The bottom of the centralized storage box is inclined. A storage box heating pipe is provided on the outer wall of the centralized storage box. The storage box heating pipe covers the entire outer wall of the centralized storage box. The centralized storage box is connected to a discharge pipe. The output end of the discharge pipe extends out of the box body.

[0007] The beneficial effects of the present utility model:

[0008] By setting a sealed box body, the production process is in a closed space, better utilizing thermal energy and improving heating efficiency. By setting two production groups, the production efficiency can be improved according to actual needs, enhancing applicability. Description of the Drawings

[0009] Figure 1 It is a structural schematic diagram of the multi-stage heating and melting device for PVC pipe processing described in the present utility model.

[0010] In the figure, 1 is the box body; 2 is the first motor; 3 is the first feed hopper; 4 is the first storage bin; 5 is the first rotating column; 6 is the first spiral blade; 7 is the first heating pipe; 8 is the first heating blower; 9 is the first air inlet pipe; 10 is the first discharge pipe; 11 is the first valve; 12 is the first feed pipe; 13 is the second motor; 14 is the second feed hopper; 15 is the second feed pipe; 16 is the second storage bin; 17 is the second spiral blade; 18 is the second heating pipe; 19 is the second heating blower; 20 is the second air inlet pipe; 21 is the second discharge pipe; 22 is the second valve; 23 is the centralized storage bin; 24 is the storage bin heating pipe; 25 is the second rotating column; 26 is the discharge pipe; 27 is the box body heating pipe; 28 is the first return air pipe; 29 is the second return air pipe. Detailed implementation manners

[0011] To clearly describe the purpose, technical solutions and advantages of the embodiments of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are some, but not all, of the embodiments of the present invention. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0012] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation of the present invention. In addition, in the description of the present invention, the meaning of "a plurality of" is two or more unless otherwise specifically defined.

[0013] The present invention provides as Figure 1A multi-stage heating and melting device for PVC pipe processing shown in the figure, including a box body 1, the outer surface of the box body 1 is coated with a heat insulation layer, the box body 1 is provided with a first motor 2, a second motor 13, a first feed hopper 3 and a second feed hopper 14, the output end of the first motor 2 is connected to a first rotating column 5, a first spiral blade 6 is arranged on the first rotating column 5, a heating wire is arranged on the first spiral blade 6, the output end of the second motor 13 is connected to a second rotating column 25, a second spiral blade 17 is arranged on the second rotating column 25, a heating wire is arranged on the second spiral blade 17, the first feed hopper 3 is connected to a first feed pipe 12, the first feed pipe 12 is connected to a first storage bin 4, a first heating pipe 7 is arranged on the outer wall of the first storage bin 4, the second feed hopper 14 is connected to a second feed pipe 15, the second feed pipe 15 is connected to a second storage bin 16, a second heating pipe 18 is arranged on the outer wall of the second storage bin 16.

[0014] Refer to the attached instructions Figure 1 , a box body heating pipe 27 is arranged on the inner wall of the box body 1, the box body heating pipe 27 covers the entire inner wall of the box body 1, the box body 1 is provided with a first heating blower 8 and a second heating blower 19, the first heating blower 8 is provided with a first air inlet pipe 9 and a first air return pipe 28, the second heating blower 19 is provided with a second air inlet pipe 20 and a second air return pipe 29, the output ends of the first air inlet pipe 9 and the second air inlet pipe 20 both extend into the box body 1, the input ends of the first air return pipe 28 and the second air return pipe 29 both extend into the box body 1, the first storage bin 4 is connected to a first discharge pipe 10, a first valve 11 is arranged on the first discharge pipe 10, the second storage bin 16 is connected to a second discharge pipe 21, a second valve 22 is arranged on the second discharge pipe 21, a centralized storage bin 23 is arranged inside the box body 1, the centralized storage bin 23 is connected to the output ends of the first discharge pipe 10 and the second discharge pipe 21, the bottom of the centralized storage bin 23 is inclined, a storage bin heating pipe 24 is arranged on the outer wall of the centralized storage bin 23, the storage bin heating pipe 24 covers the entire outer wall of the centralized storage bin 23, the centralized storage bin 23 is connected to a discharge pipe 26, and the output end of the discharge pipe 26 extends out of the box body 1.

[0015] The working process of this device is as follows: Put the PVC raw material into the first feed hopper 3 and enter the first bin 4 through the first feed pipe 12. The output end of the first motor 2 is connected with a first rotating column 5. A first spiral blade 6 is arranged on the first rotating column 5. When the first motor 2 works, the first rotating column 5 rotates. The heating wire on the first spiral blade 6 and the first heating pipe 7 on the outer wall of the first bin 4 heat the PVC raw material. The first heating blower 8 works, and blows hot air into the box body 1 through the first air inlet pipe 9, so that the temperature inside the box body 1 rises. And the output end of the first heating pipe 7 faces the first bin 4, so that the hot air further heats the PVC raw material in the first bin 4. After the PVC raw material is heated, the first spiral blade 6 extrudes the PVC raw material to the first discharge pipe 10. The first valve 11 is opened, and the PVC raw material enters the centralized feed box 23 through the first discharge pipe 10, which can prevent the PVC raw material from piling up. A feed box heating pipe 24 is arranged on the outer wall of the centralized feed box 23. The feed box heating pipe 24 covers the outer wall of the entire centralized feed box 23, which can further maintain the temperature of the PVC raw material and prevent cooling. The centralized feed box 23 is connected with a discharge pipe 26. The output end of the discharge pipe 26 extends out of the box body 1. The processed PVC material can be discharged through the discharge pipe 26 and then undergo subsequent processing. When the production demand increases, the PVC raw material can be put into the first feed hopper 3 and the second feed hopper 14 at the same time, and then the device is operated to increase the production volume and improve the production efficiency.

[0016] Although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: They can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A multi-stage heating and melting device for PVC pipe processing, comprising a box body (1), characterized in that, The outer surface of the box body (1) is coated with a heat-insulating layer. The box body (1) is provided with a first motor (2), a second motor (13), a first feed hopper (3) and a second feed hopper (14). The output end of the first motor (2) is connected to a first rotating column (5). A first spiral blade (6) is arranged on the first rotating column (5). Heating wires are arranged on the first spiral blade (6). The output end of the second motor (13) is connected to a second rotating column (25). A second spiral blade (17) is arranged on the second rotating column (25). Heating wires are arranged on the second spiral blade (17). The first feed hopper (3) is connected to a first feed pipe (12). The first feed pipe (12) is connected to a first storage bin (4). A first heating pipe (7) is arranged on the outer wall of the first storage bin (4). The second feed hopper (14) is connected to a second feed pipe (15). The second feed pipe (15) is connected to a second storage bin (16). A second heating pipe (18) is arranged on the outer wall of the second storage bin (16).

2. The multi-stage heating and melting device for PVC pipe processing according to claim 1, wherein, Box body heating pipes (27) are arranged on the inner wall of the box body (1). The box body heating pipes (27) cover the entire inner wall of the box body (1). A first heating blower (8) and a second heating blower (19) are arranged on the box body (1).

3. The multi-stage heating and melting device for PVC pipe processing according to claim 2, characterized in that, The first heating blower (8) is provided with a first air inlet pipe (9) and a first air return pipe (28). The second heating blower (19) is provided with a second air inlet pipe (20) and a second air return pipe (29). The output ends of the first air inlet pipe (9) and the second air inlet pipe (20) both extend into the interior of the box body (1). The input ends of the first air return pipe (28) and the second air return pipe (29) both extend into the interior of the box body (1).

4. The multi-stage heating and melting device for PVC pipe processing according to claim 1, characterized in that, The first storage bin (4) is connected to a first discharge pipe (10). A first valve (11) is arranged on the first discharge pipe (10). The second storage bin (16) is connected to a second discharge pipe (21). A second valve (22) is arranged on the second discharge pipe (21).

5. The multi-stage heating and melting device for PVC pipe processing according to claim 4, characterized in that, A centralized storage bin (23) is arranged inside the box body (1). The centralized storage bin (23) is connected to the output ends of the first discharge pipe (10) and the second discharge pipe (21). The bottom of the centralized storage bin (23) is inclined.

6. The multi-stage heating and melting device for PVC pipe processing according to claim 5, wherein, A storage bin heating pipe (24) is arranged on the outer wall of the centralized storage bin (23). The storage bin heating pipe (24) covers the entire outer wall of the centralized storage bin (23). The centralized storage bin (23) is connected to a discharge pipe (26). The output end of the discharge pipe (26) extends out of the box body (1).

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