CN218429823U - Pipe extrusion molding inner wall spraying built-in die - Google Patents
Pipe extrusion molding inner wall spraying built-in die Download PDFInfo
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- CN218429823U CN218429823U CN202222255678.7U CN202222255678U CN218429823U CN 218429823 U CN218429823 U CN 218429823U CN 202222255678 U CN202222255678 U CN 202222255678U CN 218429823 U CN218429823 U CN 218429823U
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Abstract
The utility model provides a built-in mould for spraying inner wall of pipe extrusion molding, which comprises a mould, wherein one side of the mould is butted with an extruder; the flow channel is formed in the die, wherein the flow channel is divided into a fluid section and a forming section, and the pipe enters from the fluid section and is output from the forming section when being extruded and formed; and one end of the spraying component penetrates into the mold and extends to the position of a pipe forming outlet from the interior of the mold so as to spray the inner wall of the formed pipe, wherein the penetrating position of the spraying component is located in the fluid section. The utility model discloses can carry out the spraying process to the inner wall of the tubular product after the shaping, realize that tubular product carries out the process of inner wall spraying in extrusion, and then reduce processing technology, improve machining efficiency and quality.
Description
Technical Field
The utility model relates to a mould technical field that tubular product extrusion used particularly, relates to a built-in mould of tubular product extrusion molding inner wall spraying.
Background
The processing process of part of the pipe is extrusion molding by an extruder, such as PP-R water supply pipe and PE water supply and drainage pipe inner wall spraying processing. Because the inner wall of the pipe needs to be sprayed with paint, such as hydrophobic paint, anticorrosive paint and the like, the common practice in the prior art is as follows: after the pipe is formed, the pipe is sectioned and subjected to inner wall spraying of the coating. Therefore, the inner wall coating can not be sprayed while the pipe is extruded and formed, the process steps are increased, and a large amount of manpower and material resources are wasted.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least.
Therefore, the utility model provides a tubular product extrusion moulding inner wall spraying embeds mould.
The utility model provides a built-in mould of tubular product extrusion moulding inner wall spraying, include:
one side of the mould is butted with the extruder;
the flow channel is formed in the die and divided into a fluid section and a forming section, and the pipe enters from the fluid section and is output from the forming section when being extruded and formed;
and one end of the spraying component penetrates into the mold and extends to the position of a pipe forming outlet from the interior of the mold so as to spray the inner wall of the formed pipe, wherein the penetrating position of the spraying component is located in the fluid section.
The utility model provides a tubular product extrusion moulding inner wall spraying embeds mould, including mould, runner and spraying assembly. One side of the die is connected with the outlet end of the extruder, thereby replacing the traditional die. Because the extruder is in the fluid state at first when extruding, at last in the mould after slow cooling shaping, just because of this kind of characteristic, the runner of this mould has set up fluid section and shaping section, and the spraying subassembly penetrates to the mould in by the fluid section, the tubular product of fluid state is through behind the inserted part of spraying subassembly, at the shaping section polymerization and cool off the shaping gradually, consequently, the group subassembly of spouting can not influence the shaping of tubular product, and the spraying medium gets into via the spraying subassembly, and spray by the tip of spraying subassembly, thereby carry out the spraying process to the inner wall of tubular product after the shaping, the process of inner wall spraying is carried out to tubular product when extrusion is carried out, and then reduce processing technology, improve machining efficiency and quality. Furthermore, the stroke of the forming section is at least greater than the stroke of the fluid section, so that the transition of the tube from the fluid state to the solid state (forming state) is ensured. It should be noted that the application is intended to protect the mold and not the entire spray device. One end of the spray assembly can be connected to a prior art spray device, such as a spray pump or the like.
According to the utility model discloses above-mentioned technical scheme's built-in mould of tubular product extrusion moulding inner wall spraying can also have following additional technical characteristics:
in the above technical scheme, the mold is composed of a neck mold and a mold core, the mold core is arranged in the neck mold, and the flow channel is formed between the neck mold and the mold core.
In the technical scheme, the mold consists of a die and a mold core. The mold core is formed inside the die and forms a gap with the die in a straight line, and the gap is used for forming a flow passage. The two can form a connection point in the flow section and be connected by a sufficiently thin rod to avoid interference with the flow of fluid and to ensure connection between the die and the core.
In the technical scheme, an installation channel is formed in the center of the mold core, and the spraying component penetrates through the mouth mold and the mold core and then enters the installation channel.
In this technical scheme, the center of mold core is formed with the installation passageway, and the installation passageway can guarantee that spray assembly or at least part are located the mould to in spraying to tubular product inner wall.
In the above technical solution, the spray assembly at least includes:
the injection pipe comprises a penetrating section and an extending section, the penetrating section penetrates through the die and the die core and enters the installation channel, the penetrating position of the penetrating section is located in the fluid section, the extending section is connected with the penetrating section in the installation channel, the extending section and the installation channel are arranged in parallel, and the other end of the extending section extends out of the die and is located at the pipe forming outlet position.
In the technical scheme, the spraying assembly at least comprises a spraying pipe. The injection pipe is divided into a penetrating section and an extending section. One end of the penetrating section is used for being connected with spraying equipment, and the other end of the penetrating section penetrates through the die and the die core and is arranged in the mounting channel. The extension section is connected with the penetrating section in a horizontal state, and the other end of the extension section extends out of the die to at least reach the position where the pipe is formed, so that the stable film-shaped structure is formed on the inner wall of the pipe after the spraying medium is sprayed out from the extension section.
In the above technical solution, the spray assembly further includes:
and the spherical spray head is communicated with the end part of the extension section.
In the technical scheme, the spraying component further comprises a spherical spray head. The spherical spray head can ensure the width of the spray surface of the spraying medium, thereby avoiding the inner wall of the pipe from having spraying dead angles and further improving the spraying quality.
In the technical scheme, the part of the penetrating section, which is in contact with the pipe fluid, is streamline.
In the technical scheme, the streamline structure can reduce the flow resistance of the pipe in a fluid state and improve the fluidity of the fluid.
In the technical scheme, a sealing element is arranged at the contact part of the penetrating section and the die.
In the technical scheme, a sealing element is added at the contact part of the penetrating section and the die. The sealing element can be a gasket or other sealing rings, so that the penetration of fluid from the penetration position of the penetration section is avoided, and the sealing performance of the device is improved.
In the technical scheme, the end part of the mold core is provided with a fixing piece, the fixing piece is provided with a mounting hole, and the extension section penetrates through the mounting hole to extend out of the mold.
In this technical scheme, the tip of mold core is provided with the mounting. The terminal surface department at the mold core is connected to the mounting to central point puts and offers the mounting hole that is used for the extension section to link up, fixes the extension section with this.
In the above technical solution, the die protrudes in a radial direction to form a butt end.
In the technical scheme, the end face of the neck mold forms a butt joint end. The butt joint end is used for forming flange type connection with an outlet of the extruder, and stable connection of the butt joint end and the outlet of the extruder is guaranteed.
In the above technical scheme, the butt joint end is provided with a threaded hole.
In the technical scheme, the threaded hole is used for mounting a bolt and fastening an outlet and a die of the extruder.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a sectional view of the inner wall spraying built-in mold for extrusion molding of pipes of the present invention;
FIG. 2 is a side view of the injection pipe of the inner wall spraying built-in mold for extrusion molding of pipes of the present invention;
FIG. 3 is a front view of the injection pipe of the internal spraying mold for the inner wall of the pipe extrusion molding of the present invention;
fig. 4 is a plan view of the injection pipe of the internal mold for spraying the inner wall of the pipe extrusion molding of the present invention.
Wherein, the correspondence between the reference numbers and the part names in fig. 1 to 4 is:
1. a mold; 101. a neck ring mold; 102. a mold core; 103. installing a channel; 2. a flow channel; 201. a fluid section; 202. a forming section; 3. a pipe; 4. an injection pipe; 401. a penetrating section; 402. an extension section; 5. a spherical spray head; 6. a seal member; 7. a fixing member; 8. and (4) butting ends.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
A pipe extrusion inner wall spray insert provided according to some embodiments of the present invention is described below with reference to fig. 1 to 4.
Some embodiments of the present application provide a pipe extrusion molding inner wall spray built-in mold.
As shown in fig. 1, the utility model discloses a first embodiment provides a built-in mould of tubular product extrusion moulding inner wall spraying, include:
the device comprises a mould 1, wherein one side of the mould 1 is butted with an extruder;
the runner 2 is formed in the die 1, wherein the runner 2 is divided into a fluid section 201 and a forming section 202, and the pipe 3 enters from the fluid section 201 and is output from the forming section 202 during extrusion forming;
and one end of the spraying component penetrates into the mold 1 and extends to the position of the forming outlet of the pipe 3 from the interior of the mold 1 so as to spray the inner wall of the formed pipe 3, wherein the penetrating position of the spraying component is positioned in the fluid section 201.
The utility model provides a tubular product extrusion moulding inner wall spraying embeds mould, including mould 1, runner 2 and spraying assembly. One side of the present die 1 is connected to the outlet end of the extruder, thereby replacing the conventional die 1. Because the extruder is in the fluid state at first when extruding, at last, the shaping after slowly cooling in the mould 1, just because of this kind of characteristic, this runner 2 of mould 1 has set up fluid section 201 and shaping section 202, and the spraying subassembly penetrates to the mould 1 in from fluid section 201, after the tubular product 3 of fluid state flows through the inserted part of spraying subassembly, it is polymerization and cooling shaping gradually at shaping section 202, therefore it does not influence the shaping of tubular product 3 to spout the group subassembly, and the spraying medium gets into through the spraying subassembly, and spray by the tip of spraying subassembly, thereby carry out the spraying process to the inner wall of tubular product 3 after the shaping, realized tubular product 3 and carried out the inner wall spraying process in extrusion shaping, and then reduce processing technology, improve machining efficiency and quality. Furthermore, the stroke of the forming section 202 is at least greater than the stroke of the fluid section 201, so that the transition of the tube 3 from the fluid state to the solid state (forming state) is ensured. It should be noted that the mold 1 is to be protected by the present application and not the entire spray device. One end of the spray assembly can be connected to a prior art spray device, such as a spray pump or the like.
The utility model discloses a second embodiment provides a built-in mould of tubular product extrusion moulding inner wall spraying, and on the basis of first embodiment, mould 1 comprises bush 101 and mold core 102, mold core 102 sets up in bush 101, just runner 2 is formed in between bush 101 and the mold core 102.
In the present embodiment, the mold 1 is composed of a die 101 and a core 102. The core 102 is formed inside the die 101 and linearly forms a gap with the die 101, and the gap is used to form the flow passage 2. The two can form a connection point in the fluid section 201 and be connected by a sufficiently thin rod to avoid interference with the fluid flow and to ensure connection between the die 101 and the core 102.
The utility model discloses a third embodiment provides a built-in mould of tubular product extrusion moulding inner wall spraying, and on the basis of above-mentioned arbitrary embodiment, mold core 102 center is formed with installation passageway 103, the spraying subassembly passes and gets into behind bush 101 and the mold core 102 installation passageway 103.
In this embodiment, the center of the mold core 102 is formed with a mounting channel 103, and the mounting channel 103 can ensure that the spray assembly is at least partially located in the mold 1 to facilitate spraying the inner wall of the tube 3.
The utility model discloses a fourth embodiment provides a tubular product extrusion moulding inner wall spraying embeds mould, and on the basis of above-mentioned arbitrary embodiment, the spraying subassembly includes at least:
the injection pipe 4 comprises a penetrating section 401 and an extending section 402, the penetrating section 401 penetrates through the die 101 and the die core 102 and enters the installation channel 103, the penetrating position is located in the fluid section 201, the extending section 402 is connected with the penetrating section 401 in the installation channel 103, the extending section 402 and the installation channel 103 are arranged in parallel, and the other end of the extending section 402 extends out of the die 1 and is located at the forming outlet position of the pipe 3.
In the present embodiment, the spray assembly comprises at least a spray tube 4. The ejector tube 4 is divided into a penetrating section 401 and an extended section 402. Wherein one end of the penetrating section 401 is used for connecting with spraying equipment, and the other end of the penetrating section passes through the die 101 and the die core 102 and is arranged in the mounting channel 103. The extension section 402 is horizontally connected with the penetrating section 401, and the other end of the extension section 402 extends out of the mold 1 to at least reach the position where the pipe 3 is formed, so as to ensure that the spraying medium is sprayed out through the extension section 402 to form a stable film-shaped structure on the inner wall of the pipe 3.
The utility model discloses the fifth embodiment provides a tubular product extrusion moulding inner wall spraying embeds mould, and on the basis of above-mentioned arbitrary embodiment, the spraying subassembly still includes:
and the spherical spray head 5 is communicated with the end part of the extension section 402.
In this embodiment, the spray assembly further comprises a ball-shaped spray head 5. The spherical spray head 5 can ensure the width of a spraying surface of a spraying medium, so that the inner wall of the pipe 3 is prevented from having spraying dead angles, and the spraying quality is improved.
The utility model discloses the sixth embodiment provides a built-in mould of tubular product extrusion moulding inner wall spraying, and on the basis of above-mentioned arbitrary embodiment, as shown in fig. 2 to 4, the part that penetrates section 401 and 3 fluid contacts of tubular product is streamlined.
In the present embodiment, the streamline structure can reduce the flow resistance of the pipe 3 in the fluid state and improve the fluidity of the fluid.
The utility model discloses the seventh embodiment provides a tubular product extrusion moulding inner wall spraying embeds mould, and on the basis of above-mentioned arbitrary embodiment, the part that penetrates section 401 and bush 101 contact is provided with sealing member 6.
In this embodiment, the seal 6 is added to the portion where the piercing section 401 contacts the die 101. The sealing element 6 may be a sealing ring such as a gasket, which prevents fluid from penetrating from the penetration site of the penetration section 401, thereby improving the sealing performance of the device.
The utility model discloses an eighth embodiment provides a tubular product extrusion moulding inner wall spraying embeds mould, and on the basis of above-mentioned arbitrary embodiment, the tip of mold core 102 is provided with mounting 7, the mounting hole has been seted up to mounting 7, extension section 402 passes the mounting hole extends out mould 1.
In this embodiment, the end of the mold core 102 is provided with a fixture 7. The fixing member 7 is connected to an end surface of the mold core 102, and a mounting hole for penetrating the extension 402 is formed in a central position thereof, thereby fixing the extension 402.
The utility model discloses the ninth embodiment provides a tubular product extrusion moulding inner wall spraying embeds mould, and on the basis of above-mentioned arbitrary embodiment, bush 101 forms butt joint end 8 along radial protrusion.
In this embodiment, the end face of the die 101 forms the butt end 8. The butt joint end 8 is used for forming a flange type connection with the outlet of the extruder, and stable connection of the two is guaranteed.
The utility model discloses tenth embodiment provides a tubular product extrusion moulding inner wall spraying embeds mould, and on the basis of above-mentioned arbitrary embodiment, butt joint end 8 set up threaded hole.
In this embodiment, threaded holes are used to mount bolts that fasten the outlet of the extruder and the die 101.
In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a built-in mould of tubular product extrusion moulding inner wall spraying which characterized in that includes:
the mould (1), one side of the mould (1) is butted with the extruder;
the flow channel (2) is formed in the die (1), wherein the flow channel (2) is divided into a fluid section (201) and a forming section (202), and the pipe (3) enters from the fluid section (201) and is output from the forming section (202) during extrusion forming;
the spraying assembly, the one end of spraying assembly penetrates mould (1) and extends to the position of tubular product (3) shaping export in mould (1) to carry out the spraying to the inner wall of shaping tubular product (3), wherein, spraying assembly's penetration position is located fluid section (201).
2. The pipe extrusion forming inner wall spraying built-in die according to claim 1, characterized in that the die (1) is composed of a die (101) and a core (102), the core (102) is arranged in the die (101), and the flow channel (2) is formed between the die (101) and the core (102).
3. The pipe extrusion forming inner wall spraying built-in die is characterized in that a mounting channel (103) is formed in the center of the die core (102), and the spraying component penetrates through the die (101) and the die core (102) and then enters the mounting channel (103).
4. The tube extrusion molding inner wall spraying built-in mold according to claim 3, wherein the spraying component at least comprises:
the injection pipe (4), the injection pipe (4) is including penetrating section (401) and extension section (402), penetrate section (401) and pass die (101) and mold core (102) and get into installation passageway (103), and the position of penetrating is located fluid section (201), extension section (402) are connected with penetrating section (401) in installation passageway (103), and extension section (402) and installation passageway (103) parallel arrangement, the other end of extension section (402) extends mould (1) and is located tubular product (3) shaping exit position.
5. The internal spraying die for the pipe extrusion molding inner wall as claimed in claim 4, wherein the spraying assembly further comprises:
the spherical nozzle (5) is communicated with the end part of the extension section (402).
6. The pipe extrusion forming inner wall spraying built-in die is characterized in that the part of the penetrating section (401) in fluid contact with the pipe (3) is streamline.
7. The pipe extrusion forming inner wall spraying built-in die is characterized in that a sealing piece (6) is arranged at the part of the penetrating section (401) which is in contact with the die (101).
8. The pipe extrusion forming inner wall spraying built-in die is characterized in that a fixing piece (7) is arranged at the end of the die core (102), the fixing piece (7) is provided with a mounting hole, and the extension section (402) penetrates through the mounting hole to extend out of the die (1).
9. The tube extrusion inner wall spray inner mold according to claim 8, wherein the die (101) protrudes in a radial direction to form the butt end (8).
10. The tube extrusion molding inner wall spraying built-in die according to claim 9, wherein the butt joint end (8) is provided with a threaded hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222255678.7U CN218429823U (en) | 2022-08-26 | 2022-08-26 | Pipe extrusion molding inner wall spraying built-in die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222255678.7U CN218429823U (en) | 2022-08-26 | 2022-08-26 | Pipe extrusion molding inner wall spraying built-in die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218429823U true CN218429823U (en) | 2023-02-03 |
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ID=85098293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222255678.7U Active CN218429823U (en) | 2022-08-26 | 2022-08-26 | Pipe extrusion molding inner wall spraying built-in die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218429823U (en) |
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2022
- 2022-08-26 CN CN202222255678.7U patent/CN218429823U/en active Active
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