Novel heating device for thermal insulation pipe production
By designing the flow channel and heating chamber in the heating device for insulation pipe processing and using impellers to blow high-temperature airflow, the problem of plastic particles on the outer surface of the insulation pipe is solved, and the smoothness and beauty of the outer surface of the insulation pipe is achieved.
Patent Information
- Application Number
- CN202421637441.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-11
- Publication Date
- 2025-06-10
- Estimated Expiration
- 2034-07-11
AI Technical Summary
During the process of thermal insulation pipe processing, dust-like plastic particles often exist on the outer surface of the molded thermal insulation pipe, which affects its smoothness and aesthetics.
A new type of heating device for the production of insulation pipes is designed, including opening a flow channel and a heating chamber inside the butt sleeve, and blowing the heated airflow to the outer surface of the insulation pipe by setting up an impeller to melt the plastic particles.
By blowing high-temperature gas, the plastic particles on the outer surface of the insulation pipe can be effectively melted, making their outer surface smooth and improving aesthetics.
Smart Images

Figure CN222959120U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of heat preservation pipe processing, and particularly relates to a novel heating device for producing heat preservation pipes. Background Art
[0002] The heat preservation pipe is suitable for transporting various media in the range of -50°C to 150°C. It is widely used in the heat preservation and cold insulation projects of central heating, cooling, hot oil transportation, greenhouse, cold storage, coal mine, petroleum, chemical industry and other industries. During the processing and production process, the raw materials are preheated by a heating device, and then it is convenient to inject them into the processing equipment for processing.
[0003] At present, when heating the production of heat preservation pipes, injection molding is usually used in the processing process. When the formed heat preservation pipe comes out of the mold interior, there will be many dust-like plastic particles on the outer surface. These plastic particles will affect the smoothness of the outer surface of the heat preservation pipe, thereby affecting the beauty of the heat preservation pipe. Content of the Utility Model
[0004] (1) Technical Problems to be Solved
[0005] The utility model provides a novel heating device for producing heat preservation pipes, which solves the technical problem that when processing heat preservation pipes at present, there will be many dust-like plastic particles on the outer surface when the formed heat preservation pipe comes out of the mold interior, and these plastic particles will affect the smoothness of the outer surface of the heat preservation pipe, thereby affecting the beauty of the heat preservation pipe.
[0006] (2) Technical Solutions
[0007] To solve the above technical problems, the utility model provides the following technical solutions:
[0008] A novel heating device for producing heat preservation pipes includes a connection plate body. A docking sleeve is fixed at the bottom of the connection plate body. A heat preservation pipe body is arranged inside the docking sleeve. The heat preservation pipe body penetrates above the connection plate body. A heating cavity is formed inside the docking sleeve. A diversion cavity penetrating to the inside is formed inside the docking sleeve. A gas supply cavity penetrating to the bottom is formed inside the docking sleeve. A plurality of heating resistance wires are arranged inside the heating cavity.
[0009] Preferably, a plurality of fixing rods are fixed between the inner walls on both sides of the heating cavity, and a plurality of the heating resistance wires are respectively wound around the outer surfaces of the plurality of fixing rods.
[0010] Preferably, a plurality of openings are equidistantly formed on the top and bottom surfaces inside the heating cavity, and the plurality of openings respectively penetrate into the inside of the gas supply cavity and the diversion cavity.
[0011] Preferably, a cushion ring is fixed on the inner bottom surface of the diversion cavity. The outer surface of the cushion ring is inclined, and the air outlet of the diversion cavity faces the outer surface of the heat preservation pipe body.
[0012] Preferably, an annular groove is formed in one inner wall of the air supply cavity. An annular ring is rotatably connected inside the annular groove, and an impeller is fixed on the outer surface of the annular ring.
[0013] Preferably, a fixing sleeve is threadedly connected between the inner walls of the air supply cavity near the bottom edge. A plurality of through holes penetrating to the bottom are equidistantly formed at the top of the fixing sleeve, and an annular filter sheet is arranged at the bottom of the fixing sleeve.
[0014] (III) Beneficial effects
[0015] Compared with the prior art, the present utility model has the following beneficial effects:
[0016] 1. In the present utility model, when using the device, by providing a diversion cavity and a heating cavity inside the docking sleeve, and by arranging an impeller, air flow can be blown into the heating cavity. After being heated by the heating resistance wire, the air flow flows into the interior of the diversion cavity, and finally blows to the outer surface of the heat preservation pipe body. Under the blowing of the high-temperature gas, the plastic particles on the outer surface of the heat preservation pipe body can be melted, so that the outer surface of the heat preservation pipe body is smooth.
[0017] 2. In the present utility model, an air supply cavity penetrating to the bottom is provided inside the docking sleeve, and a fixing sleeve is arranged inside the air supply cavity. Then, an annular filter sheet is arranged on the fixing sleeve, so that external gas can flow into the heating cavity for heating after being filtered by the annular filter sheet. When the impeller rotates, the mutual engagement of the annular ring and the annular groove makes the rotation of the impeller more stable. And a cushion ring is arranged inside the diversion cavity, and the outer surface of the cushion ring is set as an inclined surface so as to guide the air flow inside the diversion cavity, thereby better blowing to the outer surface of the heat preservation pipe body to melt the plastic particles. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 is a front perspective structural schematic diagram of a novel heating device for heat preservation pipe production proposed by the present utility model;
[0019] Figure 2 is a sectional perspective structural schematic diagram of a novel heating device for heat preservation pipe production proposed by the present utility model;
[0020] Figure 3 is of the present utility model Figure 2 The enlarged view of part A in.
[0021] Reference numerals: 1, connection plate body; 2, heat preservation pipe body; 3, docking sleeve; 4, air supply cavity; 5, diversion cavity; 6, heating cavity; 7, gasket ring; 8, fixing sleeve; 9, through hole; 10, annular filter; 11, opening; 12, fixing rod; 13, heating resistance wire; 14, annular groove; 15, annular ring; 16, impeller. Detailed implementation mode
[0022] 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.
[0023] Embodiment 1, as Figures 1-3 shown, the present invention provides a technical solution for a novel heating device for producing heat preservation pipes: including a connection plate body 1, a docking sleeve 3 is fixed at the bottom of the connection plate body 1, a heat preservation pipe body 2 is arranged inside the docking sleeve 3, the heat preservation pipe body 2 penetrates above the connection plate body 1, a heating cavity 6 is opened inside the docking sleeve 3, a diversion cavity 5 penetrating to the inside is opened inside the docking sleeve 3, an air supply cavity 4 penetrating to the bottom is opened inside the docking sleeve 3, and a plurality of heating resistance wires 13 are arranged inside the heating cavity 6.
[0024] The overall effect achieved by the entire Embodiment 1 is that when using this device, by opening a diversion cavity 5 and a heating cavity 6 inside the docking sleeve 3, and by setting an impeller 16, the air flow can be blown into the heating cavity 6 and then flow into the inside of the diversion cavity 5 after being heated by the heating resistance wire 13, and finally blown to the outer surface of the heat preservation pipe body 2. The plastic particles on the outer surface of the heat preservation pipe body 2 can be melted under the blowing of the high-temperature gas, so that the outer surface of the heat preservation pipe body 2 is smooth;
[0025] It solves the technical problem that when processing heat preservation pipes at present, there will be a lot of dust-like plastic particles on the outer surface of the formed heat preservation pipes when they come out of the mold, and these plastic particles will affect the smoothness of the outer surface of the heat preservation pipes, thereby affecting the beauty of the heat preservation pipes.
[0026] Embodiment 2, as Figures 1-3As shown in the figure, a plurality of fixing rods 12 are fixed between the inner walls on both sides of the heating chamber 6, and a plurality of heating resistance wires 13 are respectively wound around the outer surfaces of the plurality of fixing rods 12. A plurality of openings 11 are equidistantly formed in the inner top surface and the bottom surface of the heating chamber 6, and the plurality of openings 11 respectively penetrate into the inside of the air supply chamber 4 and the diversion chamber 5. A cushion ring 7 is fixed on the inner bottom surface of the diversion chamber 5, and the outer surface of the cushion ring 7 is inclined. The air outlet of the diversion chamber 5 faces the outer surface of the heat preservation pipe body 2. An annular groove 14 is formed in one inner wall of the air supply chamber 4, and an annular ring 15 is rotatably connected to the inside of the annular groove 14. An impeller 16 is fixed on the outer surface of the annular ring 15. A fixing sleeve 8 is screwed between the inner walls of the air supply chamber 4 near the bottom edge. A plurality of through holes 9 penetrating to the bottom are equidistantly formed in the top of the fixing sleeve 8, and an annular filter sheet 10 is arranged at the bottom of the fixing sleeve 8.
[0027] The effect achieved by the entire Embodiment 2 is that an air supply chamber 4 penetrating to the bottom is formed inside the docking sleeve 3, a fixing sleeve 8 is arranged inside the air supply chamber 4, and an annular filter sheet 10 is arranged on the fixing sleeve 8, so that external gas can flow into the heating chamber 6 for heating after being filtered by the annular filter sheet 10. When the impeller 16 rotates, the mutual engagement of the annular ring 15 and the annular groove 14 makes the rotation of the impeller 16 more stable.
[0028] Moreover, a cushion ring 7 is arranged inside the diversion chamber 5, and the outer surface of the cushion ring 7 is arranged as an inclined plane, so that the air flow inside the diversion chamber 5 can be guided, and thus can better blow onto the outer surface of the heat preservation pipe body 2 to melt the plastic particles.
[0029] Working principle: When using this device, a diversion chamber 5 and a heating chamber 6 are formed inside the docking sleeve 3, and by arranging the impeller 16, air flow can be blown into the heating chamber 6. After being heated by the heating resistance wires 13, the air flow flows into the inside of the diversion chamber 5, and finally blows onto the outer surface of the heat preservation pipe body 2. Under the blowing of the high-temperature gas, the plastic particles on the outer surface of the heat preservation pipe body 2 can be melted, so that the outer surface of the heat preservation pipe body 2 is smooth. An air supply chamber 4 penetrating to the bottom is formed inside the docking sleeve 3, a fixing sleeve 8 is arranged inside the air supply chamber 4, and an annular filter sheet 10 is arranged on the fixing sleeve 8, so that external gas can flow into the heating chamber 6 for heating after being filtered by the annular filter sheet 10. When the impeller 16 rotates, the mutual engagement of the annular ring 15 and the annular groove 14 makes the rotation of the impeller 16 more stable. Moreover, a cushion ring 7 is arranged inside the diversion chamber 5, and the outer surface of the cushion ring 7 is arranged as an inclined plane, so that the air flow inside the diversion chamber 5 can be guided, and thus can better blow onto the outer surface of the heat preservation pipe body 2 to melt the plastic particles.
[0030] Although embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.
Claims
1. A novel heating device for producing thermal insulation pipes, comprising a connecting plate body (1), characterized in that: A docking sleeve (3) is fixed at the bottom of the connection plate body (1), a heat preservation pipe body (2) is arranged inside the docking sleeve (3), the heat preservation pipe body (2) penetrates to the top of the connection plate body (1), a heating chamber (6) is provided inside the docking sleeve (3), a flow guide chamber (5) penetrating to the inside of the docking sleeve (3), an air supply chamber (4) penetrating to the bottom is provided inside the docking sleeve (3), and a plurality of heating resistance wires (13) are arranged inside the heating chamber (6).
2. A novel heating device for producing thermal insulation pipes according to claim 1, characterized in that: A plurality of fixing rods (12) are fixed between the inner walls on both sides of the heating chamber (6), and a plurality of heating resistance wires (13) are correspondingly wound around the outer surfaces of the plurality of fixing rods (12).
3. A novel heating device for producing thermal insulation pipes according to claim 2, characterized in that: The internal top surface and bottom surface of the heating chamber (6) are both provided with a plurality of openings (11) at equal intervals, and the plurality of openings (11) are each correspondingly passed through the interior of the air supply chamber (4) and the flow guide chamber (5).
4. A novel heating device for producing thermal insulation pipes according to claim 3, characterized in that: A gasket ring (7) is fixed to the inner bottom surface of the flow guide cavity (5); the outer surface of the gasket ring (7) is inclined, and the air outlet of the flow guide cavity (5) faces the outer surface of the insulation pipe body (2).
5. A novel heating device for producing thermal insulation pipes according to claim 4, characterized in that: An annular groove (14) is provided on one inner wall of the air supply cavity (4), an annular ring (15) is rotatably connected inside the annular groove (14), and an impeller (16) is fixed on the outer surface of the annular ring (15).
6. A novel heating device for producing thermal insulation pipes according to claim 1, characterized in that: A fixing sleeve (8) is threadedly connected between the inner walls of the air supply cavity (4) near the bottom edge, a plurality of through openings (9) penetrating to the bottom are equidistantly provided at the top of the fixing sleeve (8), and an annular filter (10) is provided at the bottom of the fixing sleeve (8).