CN210911142U - Anti-overflow material formula steel is moulded compound pipe end closing device - Google Patents
Anti-overflow material formula steel is moulded compound pipe end closing device Download PDFInfo
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- CN210911142U CN210911142U CN201921369540.1U CN201921369540U CN210911142U CN 210911142 U CN210911142 U CN 210911142U CN 201921369540 U CN201921369540 U CN 201921369540U CN 210911142 U CN210911142 U CN 210911142U
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Abstract
The utility model discloses an anti-overflow device for sealing the end of a steel-plastic composite pipe, which has the key points of the technical proposal that the device comprises a sealing heating ring, one side of the sealing heating ring is provided with a composite slot for inserting the steel-plastic composite pipe to be sealed, a sealing ring for sealing the pipe end of the steel-plastic composite pipe to be sealed is arranged in the composite slot, one side of the composite slot close to the axis is provided with an inner diameter non-heating ring which is fixedly connected with the sealing heating ring, the outer diameter of the inner diameter non-heating ring is matched with the inner diameter of the steel-plastic composite pipe to be sealed, the outer diameter non-heating ring fixedly connected with the sealing heating ring is arranged on one side of the composite slot far away from the axis, the inner diameter of the outer diameter non-heating ring is matched with the outer diameter of the steel-plastic composite pipe to be sealed, and the inner diameter non-heating ring and the outer diameter non-heating ring are both cooled by cooling water. The utility model discloses have and make the pipe end and seal the unable overflow of the molten plastic of ring, reach the whole smooth effect that does not have the flash of the pipeline section that seals.
Description
Technical Field
The utility model relates to a compound tub of pipe end sealing's technical field is moulded to steel, and more specifically it relates to a compound tub of pipe end sealing device is moulded to anti-overflow material formula steel.
Background
In the normal production process of the continuously formed steel-plastic composite pipe, after the continuously formed steel-plastic composite pipe is cut according to the length required by production, the cut surface has the phenomenon of metal exposure, and in order to ensure the service performance of the steel-plastic composite pipe, the cut surface needs to be sealed, namely the end sealing of the steel-plastic composite pipe is called in the industry, so that the metal with the exposed pipe end surface is sealed in a plastic layer, and the metal part in the pipe cannot be contacted with a conveyed medium when the whole pipeline runs. At present, the following three methods for sealing the end of the steel-plastic composite pipe are mainly available in the market: 1. performing injection molding and sealing on the end part of the pipe in a mode of adding a mold by an injection molding machine; 2. respectively heating the pipe end and the plastic sealing ring, and then sealing in a butt welding extrusion mode; 3. the inner surface and the outer surface of the pipe are extruded and heated by an inner die and an outer die of a sealing machine, so that the plastic on the inner surface and the outer surface of the pipe is extruded and flows to the end surface of the pipe to be sealed.
Chinese patent publication No. CN102241138A discloses a steel skeleton plastic composite pipe hot melt seal forming device, which comprises a driving rod, a sealing cap and a hot plate, wherein the left and right sides of the hot plate are respectively connected with a sealing cap heater and a composite pipe end heater, the driving cylinder is connected with a supporting sleeve, the sealing cap is installed at the outer side of the right end of the supporting sleeve, the inner side of the composite pipe end heater is provided with a composite pipe supporting sleeve, and the outer diameter of the composite pipe supporting sleeve is identical with the inner diameter of the composite pipe.
However, when the steel skeleton plastic composite pipe hot-melt sealing forming device is used, the sealing of a pipe end and a sealing cap in a butt welding mode is needed, and the sealing cap is difficult to reach a complete melting state when the plastic sealing cap is clamped, so that the side surface of the corresponding side of the sealing cap is in butt welding connection with the pipe end of the steel-plastic composite pipe immediately after being contacted with a sealing cap heater and hot-melted; meanwhile, due to the steel wire in the steel-plastic composite pipe, when the pipe end of the steel-plastic composite pipe is heated, the plastic layers on the inner side and the outer side of the end surface of the steel-plastic composite pipe retract after being heated, so that the problem that only the steel wire is pressed against a heating plate occurs at the pipe end of the steel-plastic composite pipe, and the phenomenon that the pipe end of the steel-plastic composite pipe is heated badly is caused; and because the steel wire of the pipe end stretches out of the plane of the pipe end when sealing, and the plastic sealing is difficult to form a complete molten state, the problem that the sealing of the pipe end fails due to the exposure of the steel wire at the sealing position occurs, and the cutting treatment of the internal and external welding curled edges at the sealing position of the pipe end is needed after sealing, so that time and labor are wasted, and the improvement is needed.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide an anti-overflow material formula steel is moulded compound pipe end closing device, this anti-overflow material formula steel is moulded compound pipe end closing device have promote treat the pipe end that seals compound pipe tubular product of steel moulding seal the effect of matter reliability and simple operation nature.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the anti-overflow type steel-plastic composite pipe end sealing device comprises a sealing heating ring, wherein a composite slot for allowing a steel-plastic composite pipe to be sealed to be inserted is formed in one side of the sealing heating ring, a sealing ring used for sealing the pipe end of the steel-plastic composite pipe to be sealed is arranged in the composite slot, an inner diameter non-heating ring fixedly connected with the sealing heating ring is arranged on one side, close to an axis, of the composite slot, the outer diameter of the inner diameter non-heating ring is matched with the inner diameter of the steel-plastic composite pipe to be sealed, an outer diameter non-heating ring fixedly connected with the sealing heating ring is arranged on one side, away from the axis, of the composite slot, the inner diameter of the outer diameter non-heating ring is matched with the outer diameter of the steel-plastic composite pipe to be sealed, and the inner diameter non-heating ring and the outer diameter non-heating ring.
By adopting the technical scheme, when the pipe end of the steel-plastic composite pipe to be sealed is sealed, the steel-plastic composite pipe to be sealed is inserted into the composite slot, the inner diameter non-heating ring and the outer diameter non-heating ring which are cooled by cooling water can effectively prevent the sealing heating ring from heating the non-pipe end of the steel-plastic composite pipe to be sealed, and molten plastic of the pipe end of the steel-plastic composite pipe to be sealed and the sealing ring can not overflow in the whole sealing process of the pipe end of the steel-plastic composite pipe to be sealed, so that the effect that the whole sealing pipe section is smooth and has no flash is achieved.
The utility model discloses further set up to: the non-heating ring of internal diameter is provided with and encircles the non-heating ring's of internal diameter ordinary cold water groove and with the drainage nozzle is advanced to the internal diameter ordinary cold that internal diameter ordinary cold water groove both ends are connected, the non-heating ring of external diameter is provided with and encircles the non-heating ring's of external diameter ordinary cold water groove of external diameter and with the drainage nozzle is advanced to the external diameter ordinary cold that external diameter ordinary cold water groove both ends are connected.
By adopting the technical scheme, the cooling water flows in the corresponding inner diameter non-heating ring and the corresponding outer diameter non-heating ring through the inner diameter normally-cooled water inlet and outlet nozzle and the outer diameter normally-cooled water inlet and outlet nozzle, and the heat of the corresponding part of the steel-plastic composite pipe to be sealed is taken away when the steel-plastic composite pipe to be sealed is inserted into the composite slot, so that the heating of the non-pipe end of the steel-plastic composite pipe to be sealed by the sealing heating ring is effectively avoided, and the effect of the quality reliability of the pipe end sealing of the steel-plastic composite pipe to be sealed is remarkably improved.
The utility model discloses further set up to: the non-heating ring of internal diameter is kept away from seal the one end of heating ring and is provided with outer chamfer.
By adopting the technical scheme, the outer chamfer plays a role in guiding the steel-plastic composite pipe to be sealed to be inserted into the composite slot, and simultaneously separates the steel-plastic composite pipe to be sealed and the inner diameter non-heating ring, so that the pipe end sealing quality reliability and the operation convenience of the steel-plastic composite pipe to be sealed are effectively improved.
The utility model discloses further set up to: the outer diameter non-heating ring with seal between the heating ring and the inner diameter non-heating ring with seal and all be provided with the heat-proof slot between the heating ring.
By adopting the technical scheme, the heat insulation groove plays a role in reducing the transmission of heat of the sealing heating ring to the inner diameter non-heating ring and the outer diameter non-heating ring, so that the inner and outer layer plastics and the sealing ring at the sealing position of the pipe end of the steel-plastic composite pipe to be sealed can avoid the temperature of the non-sealing part at the pipe end of the steel-plastic composite pipe to be sealed from exceeding the softening temperature of the pipe plastic layer when the melting state effect is achieved, and therefore the condition that only the range of 5-10 mm of the pipe end and the sealing ring are heated and sealed in the composite slot in the sealing process of the steel-plastic composite pipe to be sealed is guaranteed.
The utility model discloses further set up to: the sealing heating ring is provided with a high-frequency heating part, and the bottom of the high-frequency heating part is positioned on one side of the sealing ring.
By adopting the technical scheme, the transmission of the high-frequency heating part to the inner-diameter non-heating ring, the outer-diameter non-heating ring and the steel-plastic composite pipe to be sealed is effectively reduced, and the reliability of the pipe end sealing quality of the steel-plastic composite pipe to be sealed is further improved.
The utility model discloses further set up to: the sealing heating ring is provided with a cooling water channel and a sealing cooling water inlet and outlet nozzle connected with two ends of the cooling water channel.
By adopting the technical scheme, after the pipe end of the steel-plastic composite pipe to be sealed is effectively sealed by the sealing heating ring, cooling water flows in the cooling water channel of the sealing heating ring through the sealing cooling water inlet and outlet nozzle, so that heat in the sealing heating ring is taken away, subsequent pipe end sealing operation of the steel-plastic composite pipe to be sealed is facilitated, and convenience and efficiency of the pipe end sealing operation of the steel-plastic composite pipe to be sealed are effectively improved.
The utility model discloses further set up to: the cooling water channel comprises a plurality of vertical water guide channels which are arranged in an equal radian mode, top connecting channels and bottom connecting channels which are arranged at intervals are arranged between the vertical water guide channels, and two ends of each of the top connecting channels and the bottom connecting channels are communicated with the corresponding vertical water guide channels.
By adopting the technical scheme, when the cooling water flows in the vertical water guide channels arranged at equal radians and the top connecting channel and the bottom connecting channel which are arranged at intervals and communicated with the corresponding vertical water guide channels, the heat in the sealing heating ring can be effectively taken away, the cooling efficiency is high, and the purposes of improving the convenience and efficiency of the pipe end sealing operation of the steel-plastic composite pipe to be sealed are achieved.
The utility model discloses further set up to: the heating ring is connected with a joint bearing, and the joint bearing is connected with a pre-tightening oil cylinder.
By adopting the technical scheme, the purpose of automatically aligning the steel-plastic composite pipe to be sealed with the sealing device is achieved, and the fit tightness between the end surface of the steel-plastic composite pipe to be sealed and the sealing ring is improved, so that the sealing quality is improved, the application range of the sealing device is widened, and the process adjustment of the end sealing of the steel-plastic composite pipe is simpler and more convenient.
The utility model discloses further set up to: and a plurality of sealing end exhaust assemblies connected with the sealing ring are inserted into one end of the sealing heating ring, which is far away from the inner diameter non-heating ring, at equal radian.
By adopting the technical scheme, the sealing end exhaust assembly effectively solves the problem of gas trapping generated at the pipe end sealing position of the steel-plastic composite pipe to be sealed, and further improves the pipe end sealing quality of the steel-plastic composite pipe to be sealed.
To sum up, the utility model discloses following beneficial effect has:
1. the purchase of an injection molding machine with high manufacturing cost and a complex sealing mould is avoided, the overall cost of the pipe end sealing equipment of the steel-plastic composite pipe to be sealed is greatly reduced, and the investment cost is saved;
2. the pipe end sealing is carried out by adopting the heating and cooling integrated sealing device, so that the pipe end sealing device has the effects of simple structure and effectively improving the smoothness of sealing operation;
3. the pipe end sealing quality reliability and the operation convenience of the steel-plastic composite pipe to be sealed are obviously improved.
Drawings
FIG. 1 is a schematic view of a matching structure of the present embodiment and a steel-plastic composite pipe to be sealed;
fig. 2 is a schematic sectional view along a-a in fig. 1.
Description of reference numerals: 1. sealing the steel-plastic composite pipe material; 2. an outer diameter non-heated ring; 21. the outer diameter is a normal-cooling water inlet and outlet nozzle; 22. an outer diameter normal cold water tank; 3. sealing and heating the ring; 31. sealing and cooling the water inlet and outlet nozzle; 32. a high-frequency heating section; 33. plugging; 34. a vertical water guide channel; 35. a top connecting channel; 36. a bottom connecting channel; 4. an inner diameter non-heated ring; 41. the inner diameter is a normally cold water inlet and outlet nozzle; 42. an inner diameter normal cold water tank; 43. chamfering the outer part; 5. a sealing ring; 6. a heat insulation groove; 7. and (4) compounding the slots.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1, the anti-overflow type steel-plastic composite pipe end sealing device comprises a sealing heating ring 3. A composite slot 7 (see figure 2) for inserting the steel-plastic composite pipe 1 to be sealed is arranged at one side of the sealing heating ring 3. The compound slot 7 is provided with a sealing ring 5 for sealing the pipe end of the steel-plastic compound pipe 1 to be sealed. Meanwhile, an inner diameter non-heating ring 4 connected and fixed with the sealing heating ring 3 is arranged on one side of the composite slot 7 close to the axis, and the outer diameter of the inner diameter non-heating ring 4 is matched with the inner diameter of the steel-plastic composite pipe material 1 to be sealed; and an outer diameter non-heating ring 2 connected and fixed with the sealing heating ring 3 is arranged on one side of the composite slot 7 away from the axis, the inner diameter of the outer diameter non-heating ring 2 is matched with the outer diameter of the steel-plastic composite pipe 1 to be sealed, and the inner diameter non-heating ring 4 and the outer diameter non-heating ring 2 are both cooled by cooling water. Therefore, when the pipe end of the steel-plastic composite pipe 1 to be sealed is sealed, the steel-plastic composite pipe 1 to be sealed is inserted into the composite slot 7, the inner diameter non-heating ring 4 and the outer diameter non-heating ring 2 which are cooled by cooling water effectively prevent the sealing heating ring 3 from heating the non-pipe end of the steel-plastic composite pipe 1 to be sealed, and molten plastic of the pipe end of the steel-plastic composite pipe 1 to be sealed and the sealing ring 5 cannot overflow in the whole sealing process of the pipe end of the steel-plastic composite pipe 1 to be sealed, so that the effect that the whole sealing pipe section is flat, smooth and free of flash is achieved.
As shown in fig. 1 and 2, the inner diameter non-heating ring 4 is provided with an inner diameter normal cold water groove 42 surrounding the inner diameter non-heating ring 4 and inner diameter normal cold water inlet and outlet nozzles 41 connected to both ends of the inner diameter normal cold water groove 42; the outer diameter non-heating ring 2 is provided with an outer diameter normal cooling water groove 22 surrounding the outer diameter non-heating ring 2 and outer diameter normal cooling water inlet and outlet nozzles 21 connected with both ends of the outer diameter normal cooling water groove 22. When cooling water flows in the corresponding inner diameter non-heating ring 4 and outer diameter non-heating ring 2 through the inner diameter normally-cooled water inlet and outlet nozzle 41 and the outer diameter normally-cooled water inlet and outlet nozzle 21 and the steel-plastic composite pipe 1 to be sealed is inserted into the composite slot 7, the flowing cooling water takes away heat of the corresponding part of the steel-plastic composite pipe 1 to be sealed, so that the heating ring 3 for sealing is effectively prevented from heating the non-pipe end of the steel-plastic composite pipe 1 to be sealed, and the effect of quality reliability of pipe end sealing of the steel-plastic composite pipe 1 to be sealed is remarkably improved. Meanwhile, an outer chamfer 43 is provided at an end of the inner diameter non-heating ring 4 away from the seal heating ring 3. The outer chamfer 43 plays a role in guiding the steel-plastic composite pipe 1 to be sealed to be inserted into the composite slot 7, and simultaneously separates the steel-plastic composite pipe 1 to be sealed from the inner diameter non-heating ring 4, so that the pipe end sealing quality reliability and the operation convenience of the steel-plastic composite pipe 1 to be sealed are effectively improved.
As shown in fig. 1 and 2, heat insulation grooves 6 are provided between the outer diameter non-heating ring 2 and the seal heating ring 3 and between the inner diameter non-heating ring 4 and the seal heating ring 3. The heat of the sealing heating ring 3 is reduced to transfer to the inner diameter non-heating ring 4 and the outer diameter non-heating ring 2 through the arrangement of the heat insulation groove 6, so that the temperature of the non-sealing part at the end part of the steel-plastic composite pipe 1 to be sealed is prevented from exceeding the softening temperature of a pipe plastic layer when the inner and outer layer plastics and the sealing ring 5 at the sealing position of the pipe end of the steel-plastic composite pipe 1 to be sealed reach the effect of a molten state, and therefore the situation that only the range of 5-10 mm of the pipe end part and the sealing ring 5 are heated and sealed together in the composite slot 7 in the sealing process of the steel-plastic composite pipe 1 to be sealed is guaranteed. A high-frequency heating unit 32 is provided on the outer peripheral side wall of the sealing heating ring 3. The bottom of the high-frequency heating part 32 is located at one side of the sealing ring 5, so that the transmission of the high-frequency heating part 32 to the inner diameter non-heating ring 4, the outer diameter non-heating ring 2 and the steel-plastic composite pipe material 1 to be sealed is effectively reduced, and the pipe end sealing quality reliability of the steel-plastic composite pipe material 1 to be sealed is further improved. It should be mentioned that the heating ring is connected with a joint bearing. And the joint bearing is connected with a pre-tightening oil cylinder, the pipe end sealing operation of the steel-plastic composite pipe 1 to be sealed is controlled through intelligent pulse, so that the purpose of automatically aligning the steel-plastic composite pipe 1 to be sealed with the sealing device is achieved, the laminating tightness of the end surface of the steel-plastic composite pipe 1 to be sealed and the sealing ring 5 is improved, the sealing quality is improved, the application range of the sealing device is widened, and the process adjustment of the pipe end sealing of the steel-plastic composite pipe is simpler and more convenient. In order to further improve the quality of the pipe end sealing of the steel-plastic composite pipe 1 to be sealed, a plurality of sealing end exhaust assemblies connected with the sealing ring 5 are inserted into one end of the sealing heating ring 3, which is far away from the inner diameter non-heating ring 4, in an equal radian manner, so that the sealing end exhaust assemblies can effectively solve the problem of gas trapping generated at the pipe end sealing position of the steel-plastic composite pipe 1 to be sealed.
As shown in fig. 1 and 2, a cooling water channel and a cooling water inlet and outlet nozzle 31 connected with two ends of the cooling water channel are arranged in the sealing heating ring 3, and after the pipe end of the steel-plastic composite pipe 1 to be sealed is effectively sealed by the sealing heating ring 3, cooling water flows in the cooling water channel of the sealing heating ring 3 through the cooling water inlet and outlet nozzle 31, so as to take away heat in the sealing heating ring 3, thereby facilitating subsequent pipe end sealing operation of the steel-plastic composite pipe 1 to be sealed, and effectively improving convenience and efficiency of the pipe end sealing operation of the steel-plastic composite pipe 1 to be sealed. It should be mentioned that, when the cooling treatment of the sealing heating ring 3 is performed, in order to timely introduce water and achieve the effect of rapid cooling, after the cooling water passes through the cooling water channel, the cooling water channel is purged by compressed air in an automatic control manner, and the purpose of avoiding the existence of the cooling water in the cooling water channel of the sealing heating ring 3 is achieved when the subsequent sealing operation is performed, so that the safety of the pipe end sealing operation process of the steel-plastic composite pipe 1 to be sealed is ensured, and meanwhile, the pipe end sealing efficiency of the steel-plastic composite pipe 1 to be sealed is improved while the energy consumption is reduced. And the cooling water channels include a plurality of vertical water channels 34 arranged in an equal arc. The vertical water guide channels 34 are provided with top connecting channels 35 and bottom connecting channels 36 which are arranged at intervals. The two ends of the top connecting channel 35 and the bottom connecting channel 36 are communicated with the corresponding ends of the corresponding vertical water guide channels 34, heat in the sealing heating ring 3 can be effectively taken away through the flow of cooling water in the vertical water guide channels 34 arranged in a plurality of equal radians and the top connecting channel 35 and the bottom connecting channel 36 which are arranged at intervals and communicated with the corresponding vertical water guide channels 34, and the purpose of improving the convenience and the efficiency of the pipe end sealing operation of the steel-plastic composite pipe 1 to be sealed is achieved while the cooling efficiency is high.
In conclusion, the pipe end sealing device adopts the heating and cooling integrated sealing device to seal the pipe end, so that the pipe end sealing device has the advantages of simple structure and effectively improving the smoothness of sealing operation; meanwhile, the purchase of an injection molding machine with high manufacturing cost and a complex sealing mould is avoided, the overall cost of the pipe end sealing equipment of the steel-plastic composite pipe 1 to be sealed is greatly reduced, the investment cost is saved, and the economic benefit is high.
The above is only the preferred embodiment of the present invention, the protection scope of the present invention is not limited to the above embodiments, but all the cases belong to the technical solution of the present invention under the thought all belong to the protection scope of the present invention. It should be noted that modifications and decorations, which would occur to those skilled in the art without departing from the principle of the present invention, should also be considered as the protection scope of the present invention.
Claims (9)
1. The utility model provides a compound pipe end closing device is moulded to anti-overflow material formula steel which characterized in that: comprises a sealing heating ring (3), one side of the sealing heating ring (3) is provided with a composite slot (7) for inserting a steel-plastic composite pipe (1) to be sealed, a sealing ring (5) used for sealing the pipe end of the steel-plastic composite pipe (1) to be sealed is arranged in the composite slot (7), one side of the composite slot (7) close to the axis is provided with an inner diameter non-heating ring (4) which is fixedly connected with the sealing heating ring (3), the outer diameter of the inner diameter non-heating ring (4) is matched with the inner diameter of the steel-plastic composite pipe (1) to be sealed, one side of the composite slot (7) far away from the axis is provided with an outer diameter non-heating ring (2) which is fixedly connected with the sealing heating ring (3), the inner diameter of the outer diameter non-heating ring (2) is matched with the outer diameter of the steel-plastic composite pipe (1) to be sealed, the inner diameter non-heating ring (4) and the outer diameter non-heating ring (2) are both cooled by cooling water.
2. The anti-flash type steel-plastic composite pipe end sealing device according to claim 1, characterized in that: the inner diameter non-heating ring (4) is provided with an inner diameter normal cold water groove (42) surrounding the inner diameter non-heating ring (4) and an inner diameter normal cold water inlet and outlet nozzle (41) connected with two ends of the inner diameter normal cold water groove (42), the outer diameter non-heating ring (2) is provided with an outer diameter normal cold water groove (22) surrounding the outer diameter non-heating ring (2) and an outer diameter normal cold water inlet and outlet nozzle (21) connected with two ends of the outer diameter normal cold water groove (22).
3. The anti-flash type steel-plastic composite pipe end sealing device according to claim 2, characterized in that: and an outer chamfer (43) is arranged at one end of the inner diameter non-heating ring (4) far away from the sealing heating ring (3).
4. The anti-flash type steel-plastic composite pipe end sealing device according to claim 1, characterized in that: the outer diameter non-heating ring (2) and the sealing heating ring (3) and the inner diameter non-heating ring (4) and the sealing heating ring (3) are provided with heat insulation grooves (6).
5. The anti-flash type steel-plastic composite pipe end sealing device according to claim 1, characterized in that: the sealing heating ring (3) is provided with a high-frequency heating part (32), and the bottom of the high-frequency heating part (32) is positioned on one side of the sealing ring (5).
6. The anti-flash type steel-plastic composite pipe end sealing device according to claim 1, characterized in that: the sealing heating ring (3) is provided with a cooling water channel and a sealing cooling water inlet and outlet nozzle (31) connected with two ends of the cooling water channel.
7. The anti-flash type steel-plastic composite pipe end sealing device according to claim 6, characterized in that: the cooling water channel comprises a plurality of vertical water guide channels (34) which are arranged in an equal radian mode, top connecting channels (35) and bottom connecting channels (36) which are arranged at intervals are arranged between the vertical water guide channels (34), and two ends of each of the top connecting channels (35) and the bottom connecting channels (36) are communicated with the corresponding vertical water guide channels (34).
8. The anti-flash type steel-plastic composite pipe end sealing device according to claim 1, characterized in that: the heating ring is connected with a joint bearing, and the joint bearing is connected with a pre-tightening oil cylinder.
9. The anti-flash type steel-plastic composite pipe end sealing device according to claim 8, characterized in that: and a plurality of sealing end exhaust assemblies connected with the sealing ring (5) are inserted into one end of the sealing heating ring (3) far away from the inner diameter non-heating ring (4) in an equal radian manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921369540.1U CN210911142U (en) | 2019-08-22 | 2019-08-22 | Anti-overflow material formula steel is moulded compound pipe end closing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921369540.1U CN210911142U (en) | 2019-08-22 | 2019-08-22 | Anti-overflow material formula steel is moulded compound pipe end closing device |
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| CN210911142U true CN210911142U (en) | 2020-07-03 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112238597A (en) * | 2020-09-25 | 2021-01-19 | 安源管道实业股份有限公司 | Steel-plastic composite pipe end sealing device without material overflow |
| CN112248421A (en) * | 2020-09-27 | 2021-01-22 | 安源管道实业股份有限公司 | Steel-plastic composite pipe sealing device with all-directional exhaust function |
-
2019
- 2019-08-22 CN CN201921369540.1U patent/CN210911142U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112238597A (en) * | 2020-09-25 | 2021-01-19 | 安源管道实业股份有限公司 | Steel-plastic composite pipe end sealing device without material overflow |
| CN112248421A (en) * | 2020-09-27 | 2021-01-22 | 安源管道实业股份有限公司 | Steel-plastic composite pipe sealing device with all-directional exhaust function |
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