CN114111006A - Fresh air pipe and forming process thereof - Google Patents
Fresh air pipe and forming process thereof Download PDFInfo
- Publication number
- CN114111006A CN114111006A CN202111333725.9A CN202111333725A CN114111006A CN 114111006 A CN114111006 A CN 114111006A CN 202111333725 A CN202111333725 A CN 202111333725A CN 114111006 A CN114111006 A CN 114111006A
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- Prior art keywords
- fresh air
- extruder head
- pipe
- air duct
- air pipe
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/02—Ducting arrangements
- F24F13/0245—Manufacturing or assembly of air ducts; Methods therefor
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Duct Arrangements (AREA)
Abstract
The application provides a fresh air pipe and a forming process thereof, wherein the forming process of the fresh air pipe comprises the following steps: s1: obtaining an elliptical tube mould with an elliptical cross section, and arranging an extrusion machine head on the periphery of one end of the elliptical tube mould; s2: controlling the elliptical tube die to rotate and pass through the extruder head; s3: and extruding the plastic in a molten state onto the oval pipe mold through the extruder head to form the fresh air pipe. The application provides a shaping technology of fresh air pipe can solve the problem that the inner wall is unsmooth and the windage that leads to is big, the noise is big when current fresh air conditioner fresh air pipe shaping.
Description
Technical Field
The application relates to the technical field of air conditioner pipeline manufacturing, in particular to a fresh air pipe and a forming process thereof.
Background
In recent years, with the introduction of fresh air conditioning systems, people experience and have provided higher demand to indoor air quality and installation, and in view of exempting from to punch, the oval pipe that the utilization ratio is higher can usually be chooseed for use to current fresh air conditioning's fresh air pipe.
The existing oval pipe is generally manufactured by blow molding, when the oval pipe is subjected to blow molding, an uneven inner wall of the pipeline is easily formed, so that the air resistance of the oval pipe is large, noise is easily generated, and user experience is influenced.
Disclosure of Invention
The application provides a fresh air pipe and a forming process thereof, which aim to solve the problems of large wind resistance and large noise caused by uneven inner wall when the fresh air pipe of the existing fresh air conditioner is formed.
In order to achieve the purpose, the forming process of the fresh air pipe comprises the following steps:
s1: obtaining an elliptical tube mould with an elliptical cross section, and arranging an extrusion machine head on the periphery of one end of the elliptical tube mould;
s2: controlling the elliptical tube die to rotate and pass through the extruder head;
s3: and extruding the plastic in a molten state onto the oval pipe mold through the extruder head to form the fresh air pipe.
Optionally, in step S2, the extruder heads include a first extruder head and a second extruder head, and the first extruder head and the second extruder head are respectively disposed in a major axis direction and a minor axis direction of the oval tube mold.
Optionally, the plastic extrusion speed of the first extruder head is greater than the plastic extrusion speed of the second extruder head.
Optionally, in step S2, the elliptical tube die is controlled to pause once every preset time when the elliptical tube die passes through the first extruder head and the second extruder head.
Optionally, the step S3 further includes: and after the fresh air pipe is formed, coating glue solution on one end of the fresh air pipe, and bonding the end, coated with the glue solution, of the fresh air pipe to a pipeline joint.
Optionally, the step S3 further includes: and after the fresh air pipe is formed, a pipeline joint is formed at one end of the fresh air pipe through injection molding.
Optionally, the length of the major axis of the oval tube mold is a, and the length of the minor axis of the oval tube mold is B, wherein a-B is greater than or equal to 8mm and less than or equal to 10 mm.
In order to realize the purpose, the application also provides the fresh air pipe, and the fresh air pipe is formed by the forming process of the fresh air pipe.
Optionally, the outer wall of the fresh air pipe is provided with rib positions arranged at intervals, the height of each rib position is H, and H is larger than or equal to B/10.
Optionally, the fresh air pipe further comprises a pipe joint, the pipe joint is provided with a buckle on the outer wall of the other end connected with the fresh air pipe, and the buckle is arranged on one end of the pipe joint and used for connecting a fresh air module of a fresh air conditioner.
According to the technical scheme, an oval pipe mold with an oval cross section is obtained firstly, and an extruder head is arranged on the periphery of one end of the oval pipe mold; then controlling the elliptical tube die to rotate and pass through the extruder head; and extruding the plastic in a molten state onto the elliptical tube die through the extruder head when the elliptical tube die rotates and passes through the extruder head so as to form the fresh air duct. Because the oval pipe mold rotates, when the extruder head extrudes plastic to the oval pipe mold, a pipe wall can be formed in the peripheral direction of the oval pipe mold; and then, the elliptical tube die passes through the extruder head while rotating, so that a tube wall is formed in the length direction of the elliptical tube die, and the finished fresh air tube is formed. The surface of oval pipe mould is generally relatively more smooth, and the new trend pipe inner wall through above-mentioned extrusion molding technology shaping is smooth, and its windage is little, be difficult to produce the noise, has improved user experience.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic view of the overall construction of the new air duct of the present application;
FIG. 2 is a schematic side view of the new air duct of the present application during the formation thereof;
FIG. 3 is a schematic view of a portion of the construction of the new ductwork of the present application;
fig. 4 is a schematic structural diagram of the pipe joint of the fresh air pipe of the present application.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 10 | |
14 | |
| 11 | Oval pipe die | 15 | |
| 12 | |
16 | |
| 13 | |
17 | Buckle |
The implementation, functional features and advantages of the objectives of the present application will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the description of the present application, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be considered as limiting the present application. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
In this application, the word "exemplary" is used to mean "serving as an example, instance, or illustration. Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments. The following description is presented to enable any person skilled in the art to make and use the application. In the following description, details are set forth for the purpose of explanation. It will be apparent to one of ordinary skill in the art that the present application may be practiced without these specific details. In other instances, well-known structures and processes are not set forth in detail in order to avoid obscuring the description of the present application with unnecessary detail. Thus, the present application is not intended to be limited to the embodiments shown, but is to be accorded the widest scope consistent with the principles and features disclosed herein.
The embodiment of the application provides a forming process of a fresh air pipe, which is described in detail below.
Referring to fig. 1 and 2, in an embodiment of the present application, a forming process of the fresh air duct includes the following steps:
s1: obtaining an elliptical tube die 11 with an elliptical cross section, and arranging an extrusion machine head (not marked) on the periphery of one end of the elliptical tube die 11;
s2: controlling the elliptical tube die 11 to rotate and pass through the extruder head;
s3: and extruding the molten plastic to the oval pipe mold 11 through the extruder head to form the fresh air pipe 10.
In the process, the oval pipe die can select dies with different sizes according to actual production requirements, and the oval pipe can have a better utilization rate compared with a round pipe under the same installation condition. Meanwhile, when the oval tube mold is manufactured, the surface of the oval tube mold is ensured to be relatively smooth; the elliptical tube mold 11 with the smooth surface can enable the fresh air duct 10 to form a smooth inner wall, so that air resistance in the duct can be effectively reduced, and air quantity is increased.
In the technical scheme provided by the application, the forming process of the fresh air pipe 10 comprises the steps of firstly obtaining an elliptical pipe mold 11 with an elliptical cross section, and arranging an extruder head at the periphery of one end of the elliptical pipe mold 11, wherein the surface of the elliptical pipe mold 11 is smooth; the elliptical tube mold 11 with a smooth surface can enable the fresh air duct 10 to form a smooth inner wall. Then controlling the elliptical tube die 11 to rotate and pass through the extruder head; when the elliptical tube mold rotates and passes through the extruder head, the extruder head extrudes molten plastic to the elliptical tube mold 11 to form the fresh air duct 10. Because the oval pipe mold 11 rotates, when the extruder head extrudes plastic to the oval pipe mold 11, a pipe wall can be formed in the peripheral direction of the oval pipe mold 11; and then passing the oval tube mold 11 through the extruder head while rotating it, so that a tube wall is formed in the length direction of the oval tube mold 11, thereby forming the completed fresh air duct 10. Compared with the existing blow molding process, when the oval pipe is subjected to blow molding, the inner wall of the pipeline is uneven due to uneven gas flow; and in this application because oval pipe mold 11's surface is generally relatively more smooth, its inner wall after the neotron 10 drawing of patterns through the shaping of above-mentioned extrusion molding process with oval pipe mold is the same smooth, and fashioned neotron windage is little like this, be difficult to the noise that produces, has improved user experience.
Specifically, since the major axis and the minor axis of the elliptical tube mold 11 are different, in order to ensure that a complete elliptical tube with a uniform wall thickness can be formed, in the step S1, the extruder head includes a first extruder head 12 and a second extruder head 13, and the first extruder head 12 and the second extruder head 13 are respectively disposed in the major axis direction and the minor axis direction of the elliptical tube mold 11. When the elliptical tube die 11 rotates, the speeds of the surfaces passing through the first extruder head 12 and the second extruder head 13 are different, and the speeds of the first extruder head 12 and the second extruder head 13 extruding plastics can be controlled by a controller according to preset parameters. In this embodiment, the elliptical tube mold 11 rotates at a constant speed, because an ellipse has a major axis and a minor axis, when the elliptical tube mold 11 rotates at a constant speed, the speed at which two ends of the major axis pass through the first extrusion head 12 is greater than the speed at which two ends of the minor axis pass through the second extrusion head 13, and in order to ensure that an elliptical tube is formed completely and the uniformity of the wall thickness is formed, the speed at which the first extrusion head 12 extrudes plastic is greater than the speed at which the second extrusion head 13 extrudes plastic. In other embodiments, the speed of the first extruder head 12 and the second extruder head 13 extruding plastics can be kept the same to change the rotation speed of the elliptical tube mold 11 at different stages.
Further, referring to FIG. 2, as a preferred embodiment, the length of the major axis of the oval tube mold 11 is A, and the length of the minor axis of the oval tube mold 11 is B, wherein A-B is less than or equal to 8mm and less than or equal to 10 mm. When the length relationship between the major axis and the minor axis of the oval pipe mold 11 meets the above conditions, the material breakage is not easy to occur in the pipe molding process, and the molded pipe has higher strength.
Specifically, referring to fig. 3, in step S2, when the elliptical tube mold 11 passes through the first extruder head 12 and the second extruder head 13, the elliptical tube mold 11 is controlled to pause once every preset time, so that rib positions 14 arranged at intervals are formed on the outer wall of the fresh air duct 10. The preset time for the oval pipe die 11 to stop determines the height of the rib positions, and as a preferred embodiment, the height of the rib positions 14 is H, wherein H is more than or equal to B/10. When the height of the rib positions 14 meets the above conditions, the rib positions 14 can ensure the use strength of the fresh air pipe 10 and are not easy to collapse.
Further, referring to fig. 4, the step S3 further includes: after the new air pipe is formed, glue solution is smeared at one end of the new air pipe 10, and the end, coated with the glue solution, of the new air pipe 10 is bonded with the pipeline joint 16. In the embodiment of the present application, rib positions 14 are arranged at intervals to form rib position grooves 15, glue solution is filled in the rib position grooves 15 at one end of the fresh air pipe 10, and one end of the fresh air pipe 10 is connected to the pipe joint 16. Glue solution is filled in the rib groove 15 at one end of the fresh air pipe 10, so that one end of the fresh air pipe 10 is connected with the pipe joint 16 more firmly. The glue solution is slow dry glue, one end of the pipeline joint 16 is integrated with the elliptical tube in a gluing mode, and the other end of the pipeline joint 16 is buckled and matched with a fresh air module of a fresh air conditioner, so that the installation process is convenient to realize, and the installation efficiency is improved.
Referring to fig. 4, in another embodiment, the step S3 further includes: and after the fresh air pipe is formed, a pipeline joint is formed at one end of the fresh air pipe through injection molding. Firstly, filling an injection mold in the rib position groove 15 at one end of the fresh air pipe 10, and then performing injection molding to form the pipeline joint 16. Will through the mode of moulding plastics conduit joint 16 one end and elliptical tube are made integratively, the other end of conduit joint 16 is detained and is matchd with the new trend module of new trend air conditioner, and the realization of the installation of being convenient for improves the installation effectiveness.
Furthermore, a buckle 17 is arranged on the outer wall of the other end of the pipeline joint 16 connected with the fresh air pipe 10, and one end of the pipeline joint 16 with the buckle 17 is used for connecting a fresh air module of a fresh air conditioner. The pipeline joint 16 can realize that the fresh air pipe 10 and a fresh air module of a fresh air conditioner are quickly installed, and meanwhile, the buckle 17 of the pipeline joint 16 can prevent the fresh air pipe 10 from falling off.
Further, the pipe joint 16 has the same size as the inner wall of the oval pipe section of the fresh air pipe 10, and the inner wall is smooth. The pipeline joint 16 and the oval pipe section of the fresh air pipe 10 are integrally connected, the inner wall of the oval pipe section is smooth, so that the wind resistance is smaller when fresh air passes through the pipeline joint 16 to the oval pipe section or fresh air passes through the oval pipe section to the pipeline joint 16, the air quantity can be effectively increased, and the noise can be reduced.
The present application further provides a fresh air duct 10, the fresh air duct 10 is formed by the forming process of the fresh air duct 10 according to any one of the above embodiments, and the specific method for forming the fresh air duct 10 by the forming process refers to the above embodiments, and since the fresh air duct 10 adopts all the technical solutions of all the above embodiments, all the beneficial effects brought by the technical solutions of the above embodiments are at least achieved, and are not described in detail herein.
The above detailed description is made on the fresh air duct and the forming process thereof provided by the embodiments of the present application, and the principle and the implementation manner of the present application are explained by applying specific examples, and the description of the above embodiments is only used to help understanding the method and the core idea of the present application; meanwhile, for those skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.
Claims (10)
1. The forming process of the fresh air pipe is characterized by comprising the following steps of:
s1: obtaining an elliptical tube mould with an elliptical cross section, and arranging an extrusion machine head on the periphery of one end of the elliptical tube mould;
s2: controlling the elliptical tube die to rotate and pass through the extruder head;
s3: and extruding the plastic in a molten state onto the oval pipe mold through the extruder head to form the fresh air pipe.
2. The process for forming a fresh air duct according to claim 1, wherein in step S1,
the extruder head comprises a first extruder head and a second extruder head, and the first extruder head and the second extruder head are respectively arranged in the major axis direction and the minor axis direction of the oval pipe mold.
3. The process for forming a fresh air duct according to claim 2, wherein the plastic extrusion rate of the first extruder head is greater than the plastic extrusion rate of the second extruder head.
4. The process of forming a fresh air duct according to claim 2, wherein in step S2, the elliptical tube die is controlled to stop once every predetermined time while passing through the first extruder head and the second extruder head.
5. The process for forming a fresh air duct according to claim 1, wherein the step S3 further comprises: and after the fresh air pipe is formed, coating glue solution on one end of the fresh air pipe, and bonding the end, coated with the glue solution, of the fresh air pipe to a pipeline joint.
6. The process for forming a fresh air duct according to claim 1, wherein the step S3 further comprises: and after the fresh air pipe is formed, a pipeline joint is formed at one end of the fresh air pipe through injection molding.
7. The process for forming a fresh air duct according to claim 1, wherein the length of the major axis of the oval tube mold is A, and the length of the minor axis of the oval tube mold is B, wherein A-B is 8 mm. ltoreq.A-10 mm.
8. A fresh air duct, characterized in that it is formed by a process of forming a fresh air duct according to any of claims 1-6.
9. The fresh air duct according to claim 8, wherein the outer wall of the fresh air duct is provided with ribs arranged at intervals, the height of the ribs is H, wherein H is more than or equal to B/10.
10. The fresh air duct according to claim 8, wherein the fresh air duct further comprises a duct joint, a buckle is arranged on the outer wall of the other end of the duct joint connected with the fresh air duct, and one end of the duct joint with the buckle is used for connecting a fresh air module of a fresh air conditioner.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111333725.9A CN114111006A (en) | 2021-11-11 | 2021-11-11 | Fresh air pipe and forming process thereof |
| CN202211393564.7A CN115751679A (en) | 2021-11-11 | 2022-11-08 | Fresh air pipe and forming process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111333725.9A CN114111006A (en) | 2021-11-11 | 2021-11-11 | Fresh air pipe and forming process thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114111006A true CN114111006A (en) | 2022-03-01 |
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Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111333725.9A Pending CN114111006A (en) | 2021-11-11 | 2021-11-11 | Fresh air pipe and forming process thereof |
| CN202211393564.7A Pending CN115751679A (en) | 2021-11-11 | 2022-11-08 | Fresh air pipe and forming process thereof |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211393564.7A Pending CN115751679A (en) | 2021-11-11 | 2022-11-08 | Fresh air pipe and forming process thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN114111006A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH081745A (en) * | 1994-06-15 | 1996-01-09 | Sumitomo Metal Ind Ltd | Manufacture of covered tube |
| CN103660305A (en) * | 2013-12-12 | 2014-03-26 | 北京化工大学 | Dynamic forming method and device for large-diameter PVC pipe |
| CN104722592A (en) * | 2013-12-19 | 2015-06-24 | 合肥神马科技集团有限公司 | Extrusion die for metal tube |
| CN105673960A (en) * | 2016-04-18 | 2016-06-15 | 河北奥特莱防水材料有限公司 | Plastic pipe |
| WO2019054305A1 (en) * | 2017-09-15 | 2019-03-21 | ダイキン工業株式会社 | Thermoplastic resin pellet and method for manufacturing electric cable |
| CN112355079A (en) * | 2020-10-19 | 2021-02-12 | 盐城仕博机械制造有限公司 | Oval tuber pipe machine |
| CN213082279U (en) * | 2020-07-28 | 2021-04-30 | 大连联合高分子材料有限公司 | Heat-shrinkable tube with oval cross section formed by extrusion and extrusion machine head die thereof |
-
2021
- 2021-11-11 CN CN202111333725.9A patent/CN114111006A/en active Pending
-
2022
- 2022-11-08 CN CN202211393564.7A patent/CN115751679A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH081745A (en) * | 1994-06-15 | 1996-01-09 | Sumitomo Metal Ind Ltd | Manufacture of covered tube |
| CN103660305A (en) * | 2013-12-12 | 2014-03-26 | 北京化工大学 | Dynamic forming method and device for large-diameter PVC pipe |
| CN104722592A (en) * | 2013-12-19 | 2015-06-24 | 合肥神马科技集团有限公司 | Extrusion die for metal tube |
| CN105673960A (en) * | 2016-04-18 | 2016-06-15 | 河北奥特莱防水材料有限公司 | Plastic pipe |
| WO2019054305A1 (en) * | 2017-09-15 | 2019-03-21 | ダイキン工業株式会社 | Thermoplastic resin pellet and method for manufacturing electric cable |
| CN213082279U (en) * | 2020-07-28 | 2021-04-30 | 大连联合高分子材料有限公司 | Heat-shrinkable tube with oval cross section formed by extrusion and extrusion machine head die thereof |
| CN112355079A (en) * | 2020-10-19 | 2021-02-12 | 盐城仕博机械制造有限公司 | Oval tuber pipe machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115751679A (en) | 2023-03-07 |
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