CN211492765U - RTP tubular product cladding mould - Google Patents
RTP tubular product cladding mould Download PDFInfo
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- CN211492765U CN211492765U CN201922312875.6U CN201922312875U CN211492765U CN 211492765 U CN211492765 U CN 211492765U CN 201922312875 U CN201922312875 U CN 201922312875U CN 211492765 U CN211492765 U CN 211492765U
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- connecting flange
- extruder
- vacuum chamber
- cladding
- mold
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Abstract
The utility model discloses a RTP pipe cladding die, which comprises a cladding piece inner pipe, a mouth die, a core die, a converging sleeve, a spiral distributor, an inner heater, a pressing plate, a connecting flange, an extruder connecting flange and a vacuum chamber; the mouth mold and the core mold are both horn-shaped, the core mold is arranged below the inner side of the mouth mold, the converging sleeve is arranged below the mouth mold, and the core mold, the spiral distributor and the connecting flange form a closed vacuum chamber; the inner pipe penetrates into a vacuum chamber of the coating die through a connecting flange, and meanwhile, the coating layer raw material enters the vacuum chamber through an extruder connecting flange connected with an extruder and is coated on the inner pipe. The technical scheme of the utility model simple structure can make cladding material and inner tube combine closely, and the cladding is effectual, has improved production efficiency, has guaranteed the continuous and stable of production and has gone on.
Description
Technical Field
The utility model belongs to reinforcing thermoplasticity plastic tubing processing equipment field, concretely relates to RTP tubular product cladding mould.
Background
The Reinforced Thermoplastic Pipe (RTP) is developed in the early nineties of the last century and mainly comprises a three-layer structure, wherein the inner layer and the outer layer are made of materials above PE80, and the middle layer is a reinforced belt formed by compounding reinforced materials. Compared with the common plastic composite pipe, the RTP has the characteristics of high pressure resistance, good toughness, convenience in installation and laying, low comprehensive cost and the like, realizes the roll packaging transportation and construction of medium-large-diameter high-pressure pipes, has long continuous length of each roll, greatly reduces the connection joints between the pipes, greatly improves the construction speed compared with a fixed-length pipeline, greatly reduces the transportation and construction cost, and is widely applied to the fields of petroleum transportation and natural gas transportation. At present, RTP pipes produced by the prior art are mostly prepared by coating thermoplastic inner pipes with coating materials, and one of key parts for manufacturing the RTP pipes is a production mould. The RTP pipe coating die in the prior art mainly has the following technical defects that on one hand, the coating effect is poor, and after the RTP pipe coating die is used for a period of time, a coating layer is easy to separate from an inner pipe; on the other hand, the production speed is further limited to be improved, so that the improvement of the production efficiency is also influenced.
Disclosure of Invention
For solving the above problem, an object of the utility model is to provide an RTP tubular product cladding mould, this tubular product cladding mould has overcome the not enough of prior art, and simple structure can make cladding material and inner tube combine closely, and the cladding is effectual, has improved production efficiency, has guaranteed the continuous and stable of production and has gone on.
In order to achieve the above purpose, the technical scheme of the utility model is that: the utility model provides a RTP tubular product cladding mould, includes cladding piece inner tube, its characterized in that: the pipe cladding die comprises a mouth die, a core die, a converging sleeve, a spiral distributor, an internal heater, a pressing plate, a connecting flange, an extruder connecting flange and a vacuum chamber;
the mouth mold and the core mold are both horn-shaped, the core mold is arranged below the inner side of the mouth mold, the converging sleeve is arranged below the mouth mold, the mouth mold is fixedly connected with the converging sleeve through a pressing plate, the spiral distributor is cylindrical and is arranged inside the converging sleeve, the lower end of the spiral distributor is fixedly connected with the converging sleeve, the connecting flange is arranged below the spiral distributor, and the core mold, the spiral distributor and the connecting flange form a closed vacuum chamber; an inner heater is arranged on the side wall of the vacuum chamber;
an opening is formed in the middle of the upper end of the mouth mold, a cladding part outlet is formed in the upper end of the core mold, a vacuum pump connecting port is formed in the side wall of the connecting flange, and the vacuum pump is externally connected with the vacuum pump through the vacuum pump connecting port;
the extruder connecting flange is arranged on the side wall of the confluence sleeve, one end of the extruder connecting flange is connected with the extruder, and the other end of the extruder connecting flange is connected with the side wall of the confluence sleeve; the raw material of the coating layer enters a vacuum chamber through an extruder connecting flange connected with an extruder to be coated on the inner pipe.
And the side wall of the connecting flange is also provided with a vacuum meter for measuring the vacuum degree in the vacuum chamber.
In the technical scheme, when the vacuum die works, the vacuum chamber is pumped into a vacuum state by the vacuum pump connected with the vacuum pump connector, the vacuum degree in the vacuum chamber is controlled by the vacuum meter on the connecting flange, when the vacuum condition is achieved, the inner pipe is pulled by the tractor and penetrates into the vacuum chamber of the cladding die through the connecting flange, meanwhile, the cladding material enters the vacuum chamber from the extruder through the connecting flange of the extruder, the vacuum chamber is heated by the inner heater, the cladding material is tightly combined with the inner pipe at the core die, and finally the cladding material is pulled out through the cladding piece outlet at the upper end of the core die. The utility model overcomes prior art's is not enough, simple structure, can make cladding material and inner tube combine closely, and the cladding is effectual, has improved production efficiency, has guaranteed the continuous and stable of production and has gone on.
Drawings
Fig. 1 is a front view of an RTP tube cladding mold according to the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a cross-sectional view A-A of FIG. 2;
fig. 4 is a schematic structural view of a middle die of an RTP tube cladding die according to the present invention;
fig. 5 is a schematic structural view of a core mold in an RTP tube cladding mold according to the present invention;
fig. 6 is a schematic structural diagram of the spiral distributor in the RTP tube coating mold of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the following description is made in detail with reference to the drawings and the examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
As can be seen from fig. 1 to 6, an RTP tube coating mold of the present embodiment includes a coating inner tube 10, a die 1, a core mold 2, a flow-joining sleeve 3, a spiral distributor 4, an internal heater 5, a pressure plate 6, a connecting flange 7, an extruder connecting flange 8, and a vacuum chamber 9.
As can be seen from fig. 3, 4 and 5, the die 1 and the core 2 of this embodiment are both in a horn shape, the core 2 is installed below the inner side of the die 1, the collecting sleeve 3 of this embodiment is installed below the die 1, the die 1 is fixedly connected with the collecting sleeve 3 through the pressing plate 6, the spiral distributor 4 of this embodiment is in a cylindrical shape and is installed inside the collecting sleeve 3, the lower end of the spiral distributor 4 is fixedly connected with the collecting sleeve 3, the connecting flange 7 of this embodiment is installed below the spiral distributor 4, and the core 2, the spiral distributor 4 and the connecting flange 7 of this embodiment form a closed vacuum chamber 9; the side wall of the vacuum chamber 9 is provided with an internal heater 5 for heating the vacuum chamber 9.
The mouth mold 1 of the present embodiment is provided with an opening 11 at the upper end thereof, the core mold 2 is provided with a covering outlet 21 at the upper end thereof, and the connecting flange 7 of the present embodiment is provided with a vacuum pump connecting port 71 on the side wall thereof, and is externally connected to a vacuum pump through the vacuum pump connecting port 71. The connecting flange 7 of this embodiment is also provided with a vacuum gauge 72 on the side wall thereof for measuring the degree of vacuum in the vacuum chamber 9.
An extruder connecting flange 8 of the embodiment is installed on the side wall of the confluence sleeve 3, one end of the extruder connecting flange 8 is connected with an extruder, and the other end is connected with the side wall of the confluence sleeve 3; the raw material of the coating layer enters a vacuum chamber 9 through an extruder connecting flange 8 connected with an extruder and is coated on an inner pipe 10.
In this embodiment, during operation, the vacuum pump connected to the vacuum pump connection port 71 first vacuums the vacuum chamber 9, and the vacuum gauge 72 on the connection flange 7 is used to control the vacuum degree in the vacuum chamber 9, when the vacuum condition is reached, the inner tube 10 is drawn by the drawing machine and penetrates into the vacuum chamber 9 of the cladding mold through the connection flange 7, and meanwhile, the cladding material enters the vacuum chamber 9 through the extruder connection flange 8 by the extruder, and is heated by the internal heater 5, the cladding material is tightly combined with the inner tube 10 at the core mold 2, and finally is drawn out through the cladding outlet 21 at the upper end of the core mold 2. This embodiment simple structure can make cladding material and inner tube combine closely, and the cladding is effectual, has improved production efficiency, has guaranteed the continuous stable of production and has gone on.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (2)
1. An RTP pipe cladding mould, includes cladding inner tube (10), its characterized in that: the pipe cladding die comprises a mouth die (1), a core die (2), a confluence sleeve (3), a spiral distributor (4), an internal heater (5), a pressing plate (6), a connecting flange (7), an extruder connecting flange (8) and a vacuum chamber (9);
the mouth mold (1) and the core mold (2) are both horn-shaped, the core mold (2) is installed below the inner side of the mouth mold (1), the converging sleeve (3) is installed below the mouth mold (1), the mouth mold (1) is fixedly connected with the converging sleeve (3) through a pressing plate (6), the spiral distributor (4) is cylindrical and is installed on the inner side of the converging sleeve (3), the lower end of the spiral distributor (4) is fixedly connected with the converging sleeve (3), the connecting flange (7) is installed below the spiral distributor (4), and the core mold (2), the spiral distributor (4) and the connecting flange (7) form a closed vacuum chamber (9); an inner heater (5) is arranged on the side wall of the vacuum chamber (9);
an opening (11) is formed in the middle of the upper end of the mouth mold (1), a cladding part outlet (21) is formed in the upper end of the core mold (2), a vacuum pump connecting port (71) is formed in the side wall of the connecting flange (7), and a vacuum pump is externally connected through the vacuum pump connecting port (71);
the extruder connecting flange (8) is arranged on the side wall of the converging sleeve (3), one end of the extruder connecting flange (8) is connected with the extruder, and the other end of the extruder connecting flange is connected with the side wall of the converging sleeve (3); the raw material of the coating layer enters a vacuum chamber (9) through an extruder connecting flange (8) connected with an extruder and is coated on an inner pipe (10).
2. An RTP tube cladding die according to claim 1, wherein: and a vacuum meter (72) is further mounted on the side wall of the connecting flange (7) and used for measuring the vacuum degree in the vacuum chamber (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922312875.6U CN211492765U (en) | 2019-12-20 | 2019-12-20 | RTP tubular product cladding mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922312875.6U CN211492765U (en) | 2019-12-20 | 2019-12-20 | RTP tubular product cladding mould |
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| Publication Number | Publication Date |
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| CN211492765U true CN211492765U (en) | 2020-09-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922312875.6U Active CN211492765U (en) | 2019-12-20 | 2019-12-20 | RTP tubular product cladding mould |
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| CN (1) | CN211492765U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111300793A (en) * | 2019-12-20 | 2020-06-19 | 安徽巴瑞挤出设备有限公司 | RTP tubular product cladding mould |
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2019
- 2019-12-20 CN CN201922312875.6U patent/CN211492765U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111300793A (en) * | 2019-12-20 | 2020-06-19 | 安徽巴瑞挤出设备有限公司 | RTP tubular product cladding mould |
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