CN211054242U - Insulating tube structure and forming die thereof - Google Patents
Insulating tube structure and forming die thereof Download PDFInfo
- Publication number
- CN211054242U CN211054242U CN201921522981.0U CN201921522981U CN211054242U CN 211054242 U CN211054242 U CN 211054242U CN 201921522981 U CN201921522981 U CN 201921522981U CN 211054242 U CN211054242 U CN 211054242U
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- Prior art keywords
- pipe
- bottom plate
- pvc outer
- outer pipe
- iron core
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 41
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 31
- 238000005187 foaming Methods 0.000 claims abstract description 27
- 238000009413 insulation Methods 0.000 claims abstract description 14
- 238000001746 injection moulding Methods 0.000 claims abstract description 8
- 230000000149 penetrating effect Effects 0.000 claims abstract description 3
- 238000000465 moulding Methods 0.000 claims description 10
- 238000004321 preservation Methods 0.000 abstract description 13
- 238000009434 installation Methods 0.000 abstract description 7
- 238000007493 shaping process Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 14
- 229920002635 polyurethane Polymers 0.000 description 9
- 239000004814 polyurethane Substances 0.000 description 9
- 229920003023 plastic Polymers 0.000 description 5
- 239000004033 plastic Substances 0.000 description 5
- 230000002349 favourable effect Effects 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 229920005830 Polyurethane Foam Polymers 0.000 description 2
- 238000005267 amalgamation Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 239000011496 polyurethane foam Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
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Abstract
The utility model discloses a heat preservation pipe structure and forming die thereof, its characterized in that: the heat-insulating pipe structure is an integral pipeline formed by splicing semicircular pipelines and comprises a PVC outer pipe arranged on the outer side, wherein a foaming heat-insulating layer is arranged in the PVC outer pipe, and a water pipe cavity penetrating through a water pipe is arranged in the center of the foaming heat-insulating layer; the mould comprises a bottom plate, wherein a PVC outer pipe is fixed on the bottom plate, a fixing groove for supporting and placing an iron core is formed in the bottom plate, and an injection molding hole is formed in the PVC outer pipe. The utility model discloses insulation tube structure and forming die thereof, simple structure, the shaping and the installation of being convenient for use on the water pipe, can effectual protection water pipe, better application prospect has.
Description
Technical Field
The utility model belongs to the technical field of the pipeline, more specifically says, relates to insulation tube structure and forming die thereof.
Background
When the weather becomes colder, the function of many devices exposed to cold weather is reduced. Especially, the water pipes exposed outside can not be well satisfied by the prior art of some pipelines needing to replace the heat-insulating layer because the water flow in the water pipes can be frozen at a temperature lower than zero degrees centigrade, which can not affect the water used for normal life of people, and even can cause the volume of the water in the water pipes to increase and expand due to freezing. The PVC and polyurethane foaming process is a new process which is newly raised at home and abroad in recent years, polyurethane is foamed in a PVC heat-insulating pipe mold, and then the heat-insulating pipe is wrapped outside the water pipe, so that the water pipe cannot be inconvenient for people to use water due to the influence of external environment temperature.
At present, the PVC heat-insulating pipe internally covered with the polyurethane foaming heat-insulating layer is inconvenient to produce and not widely applied. Most of the existing water pipes are already installed, and then the heat-insulating layer is disassembled and installed, so that the construction is difficult.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that prior art exists, provide a simple structure, the shaping and the installation of being convenient for effectively protect the insulation tube structure and the forming die of water pipe.
In order to realize the purpose, the utility model discloses the technical scheme who takes does: the provided heat preservation pipe structure is characterized in that: the heat-insulating pipe structure is an integral pipeline formed by splicing semicircular pipelines, and comprises a PVC outer pipe arranged on the outer side, wherein a foaming heat-insulating layer is arranged in the PVC outer pipe, and a water pipe cavity penetrating through a water pipe is arranged at the center of the foaming heat-insulating layer.
In order to make the above technical solution more detailed and concrete, the present invention further provides the following preferable technical solution to obtain satisfactory practical effect:
the PVC outer tube is formed by splicing two semicircular outer tubes, and connecting bosses and connecting grooves which are correspondingly spliced are respectively arranged on the splicing end faces of the two sides of each semicircular outer tube.
The connecting boss and the connecting groove are arranged along the length direction of the PVC outer pipe in an extending mode.
The forming die of the heat-insulating tube structure comprises a bottom plate, a PVC outer tube is fixed on the bottom plate, a fixing groove for supporting and placing an iron core is formed in the bottom plate, and an injection molding hole is formed in the PVC outer tube.
The bottom plate is provided with a boss clamping groove which is correspondingly clamped and limited and is connected with the boss.
And a positioning screw rod for positioning the iron core is further installed on one side of the bottom plate.
And the iron core is provided with a water through hole which is communicated along the length direction of the iron core.
And a demoulding hole correspondingly connected with the demoulding device is arranged below the fixing groove.
And the bottom plate is also provided with a clamping device for clamping and positioning the PVC outer pipe from the upper part.
The clamping device is provided with a clamping ejector rod vertically arranged to act on the PVC outer pipe, and the clamping ejector rod is adjustably connected to the horizontal clamping plate through an adjusting nut.
Compared with the prior art, the utility model, have following advantage: the utility model discloses insulation tube structure and forming die thereof, simple structure, the shaping and the installation of being convenient for use on the water pipe, can effectual protection water pipe, better application prospect has.
Drawings
The contents of the drawings and the reference numerals in the drawings of the present specification will be briefly described as follows:
FIG. 1 is a schematic view of the structure of the heat preservation pipe of the present invention;
FIG. 2 is a schematic view of the structure of the heat preservation pipe of the present invention;
FIG. 3 is a schematic view of the whole structure of the forming mold of the present invention;
FIG. 4 is a side view of the whole structure of the forming mold of the present invention;
FIG. 5 is a schematic view of a mold clamping assembly;
fig. 6 is a schematic view of the bottom plate structure.
Labeled as: 1. the bottom plate, 11, the fixed slot, 12, the boss draw-in groove, 13, the locating screw rod, 14, the hole of moulding plastics, 15, the demoulding hole, 16, the mounting hole, 2, the insulating tube, 21, the PVC outer tube, 22, the foaming heat preservation, 23, connecting grooves, 24, the water pipe cavity, 25, connect the boss, 3, clamping device, 31, press from both sides tight ejector pin, 32, the installation base, 33, the fixed station, 34, vertical splint, 35, horizontal splint, 4, the baffle, 5, the iron core, 51, the limbers.
Detailed Description
The following description of the embodiments of the present invention will be made in detail with reference to the accompanying drawings.
The utility model discloses this kind of insulation tube structure, as shown in fig. 1, 2, this insulation tube structure constitutes whole pipeline for amalgamating by semi-circular pipeline, including locating the PVC outer tube 21 in the outside, be equipped with foaming heat preservation 22 in PVC outer tube 21, foaming heat preservation 22 center is equipped with the water pipe cavity 24 that passes the water pipe.
The utility model discloses in, as shown in fig. 1, 2, outside PVC outer tube 21 is formed by two semi-circular outer tube amalgamations, and inside foaming heat preservation 22 splices into whole pipeline by two semi-circular pipelines equally, and the center of foaming heat preservation 22 concatenation pipeline forms the water pipe cavity 24 that can pass through the water pipe. Wherein, be equipped with the connection boss 25 and the connecting groove 23 that correspond the concatenation respectively on the both sides amalgamation terminal surface of semi-circular outer tube, connect boss 25 and connecting groove 23 all follow PVC outer tube 21 length direction extends to arrange, the pipeline concatenation of being convenient for is connected.
The utility model discloses an insulation tube structure of easy installation for the polyurethane insulation tube, and the hollow semi-cylindrical of shaping is different from traditional pipeline foaming technique, but foams respectively with pipeline split into two halves, inlays into a whole again. Each half side is composed of a PVC outer pipe 21 and a polyurethane foam heat-insulating layer 22, wherein the edge of one half side of the PVC outer pipe 21 is connected with a connecting boss 25 of the other half side by a connecting groove 23 to form splicing connection. The pipe is hollow, the middle part is a water pipe cavity 24, and after the half-side foaming is finished, the two halves are inlaid into a hollow cylindrical pipe.
The utility model discloses insulating tube 2 structure adopts half pipeline foaming technique, is structural for half pipeline concatenation, and application that can be fine is on the water pipe of having installed, need not dismantle the water pipe, and direct with this insulating tube 2 install the water pipe outside can, be fit for the heat preservation demand of pipeline has been installed to some of current society more.
The utility model also provides a forming die for shaping this kind of insulation tube structure, as shown in fig. 3, 4, this mould includes bottom plate 1, and PVC outer tube 21 is fixed on bottom plate 1, is equipped with the fixed slot 11 that the iron core 5 was placed in the support on bottom plate 1, is equipped with injection molding hole 14 on the PVC outer tube 21. When the PVC heat-insulating foamed plastic is used, the PVC outer pipe 21 is fixed on the bottom plate 1, the iron core 5 is fixed in the PVC outer pipe 21, and the polyurethane foamed heat-insulating layer 22 is formed between the PVC outer pipe 21 and the iron core 5 through injection molding of the injection molding holes 14. The forming die is used for forming a half pipeline at one time, and the half pipeline is embedded and spliced into an integral pipeline after forming.
The utility model discloses in, as shown in fig. 3, 4, be equipped with the boss draw-in groove 12 that corresponds the spacing connection boss 25 of joint on the bottom plate 1, be favorable to the stable location of PVC outer tube 21, the injection moulding of being convenient for.
The utility model discloses in, being distributed on the PVC outer tube 21 is the hole 14 of moulding plastics of three interval arrangement, is favorable to even efficient forming process. During foaming, the raw material polyurethane is directly injected into the gap between the PVC outer pipe 21 and the iron core 5 through the three injection molding holes 14, and after foaming is completed, the equipment is removed.
In the utility model, as shown in fig. 6, a positioning screw 13 for positioning the iron core 5 is further installed on one side of the bottom plate 1. In this embodiment, three positioning screws 13 are uniformly distributed on one side of the bottom plate 1, and the positioning screws 13 are screwed in the screw holes to laterally abut against the inner iron core 5, so that the position of the iron core 5 is fixed. Since force may be applied by the foaming of polyurethane during the foaming process, the position of the iron core 5 is fixed and the thickness of the insulation layer can be adjusted. The lower part of the fixed groove 11 is provided with a demoulding hole 15 correspondingly connected with a demoulding device, and the demoulding device is connected with the fixed groove, so that a smooth demoulding process is facilitated. Wherein the demolding holes 15 may be a plurality of hole structures arranged in an array. The demoulding hole 15 is connected with an external hydraulic device, such as a hydraulic ejector rod, when demoulding, the positioning screw rod 13 is unscrewed to enable the iron core 5 to be demoulded downwards by gravity, when polyurethane is adhered, the adhered iron core 5 is separated from the iron core 5 by external hydraulic pressure by means of external force.
The utility model discloses in, be equipped with the limbers 51 that link up along its length direction on the iron core 5. When injecting into the stoste through the hole 14 of moulding plastics between the space of PVC outer tube 21 and iron core 5, because the reaction can take place the heat, the high temperature can influence the formation of heat preservation in the foaming process, connects outside water pipe in the middle of the foaming process, passes through limbers 51 through outside cold water to reduce the temperature among the iron core 5, be favorable to foaming normal clear.
The utility model discloses in, in the forming process, pipeline mold's both ends are equipped with baffle 4, because two all with the external contact, so both sides all have baffle 4, distribute and prevent overflowing of foaming in-process polyurethane in both sides, avoid causing unnecessary extravagant. The position where the baffle 4 is connected with the water through hole 51 of the iron core 5 is also provided with a through hole, and the height of the two holes is consistent. When the water through holes 51 of the inner iron core 5 start to be filled with water for cooling, the water can be directly connected with an external water pipe through the baffle 4, and a circulating connection can be formed.
The utility model discloses in, still be equipped with the clamping device 3 that presss from both sides tight location PVC outer tube 21 by the top on the bottom plate 1. The clamping device 3 is provided with a clamping ejector rod 31 which is vertically arranged and acts on the PVC outer pipe 21, and the clamping ejector rod 31 is adjustably connected to a horizontal clamping plate 35 through an adjusting nut, so that the PVC outer pipe 21 is stabilized and cannot move up and down in the foaming process.
Specifically, the utility model discloses this kind of 2 forming die of insulating tube of interior polyurethane foam heat preservation 22 divide into the three and include bottom plate 1, clamping device 3 and the die body of moulding plastics that comprises PVC outer tube 21 and iron core 5. The bottom plate 1 is provided with a boss clamping groove 12 for limiting and connecting the boss 25, one side of the PVC outer pipe 21 is clamped in the boss clamping groove 12 to realize left and right limiting, the PVC outer pipe 21 is arranged on the bottom plate 1 and is clamped and positioned through the clamping device 3 to realize upper and lower limiting; the iron core 5 is arranged in the fixing groove 11, and a demoulding hole 15 is arranged below the fixing groove 11 and can be connected with demoulding equipment.
As shown in fig. 4 and 5, the clamping device 3 includes a mounting base 32, and a fixing bolt is fixedly connected to the mounting hole 16 of the base plate 1 through the mounting base 32. The installation base 32 is connected with the fixed station 33, be equipped with crossing splint on the fixed station 33, be vertical splint 34 and horizontal splint 35 respectively, be equipped with on the horizontal splint 35 and press from both sides tight ejector pin 31, be the screw rod structure on pressing from both sides tight ejector pin 31, the structural adjusting nut that is equipped with of screw rod, adjusting nut is including last nut and the lower nut that is located horizontal splint 35 upper end and lower extreme respectively, confirm the distance between top and the PVC outer tube 21 of pressing from both sides tight ejector pin 31 through adjusting the position of last nut and the lower nut on the screw rod on pressing from both sides tight ejector pin 31, stabilize PVC outer tube 21 from this, make it can not take place to remove from top to.
This mould is equipped with three evenly distributed clamping device 3 on bottom plate 1, under this three clamping device 3's effect for PVC outer tube 21 atress is even, also can not cause the inhomogeneous condition of heat preservation when the inside foams because of the atress is uneven. Three clamping ejector rods 31 on the clamping device 3 need to pay attention to the distance when adjusting the upper nut and the lower nut, so that the distance between the lower tip and the PVC outer pipe 21 cannot be too tight, the appearance cannot be damaged, the clamping ejector rods cannot be too loose and cannot be well fixed, the three clamping ejector rods 31 need to be kept consistent in position, and the whole clamping ejector rods are enabled to be on the same horizontal line. The positioning screw rod 13 is used for fixing the position of the inner iron core 5, after the required thickness of the heat insulation layer is measured, the positioning screw rod 13 is screwed down, so that the inner iron core 5 cannot move in the middle of the foaming process, the inner iron core 5 is guaranteed to be fixed on the same horizontal line, and the non-uniformity of the heat insulation layer after the foaming is finished is avoided.
The utility model discloses insulation tube structure and forming die thereof, simple structure, the shaping and the installation of being convenient for use on the water pipe, can effectual protection water pipe, better application prospect has.
The present invention has been described above with reference to the accompanying drawings, but the present invention is not limited to the above-mentioned embodiments, and various insubstantial improvements or direct applications to other applications can be achieved by using the method and technical solution of the present invention, which all fall within the protection scope of the present invention.
Claims (10)
1. Insulation tube structure, its characterized in that: the heat-insulating pipe structure is an integral pipeline formed by splicing semicircular pipelines, and comprises a PVC outer pipe arranged on the outer side, wherein a foaming heat-insulating layer is arranged in the PVC outer pipe, and a water pipe cavity penetrating through a water pipe is arranged at the center of the foaming heat-insulating layer.
2. The insulating tube structure according to claim 1, wherein: the PVC outer tube is formed by splicing two semicircular outer tubes, and connecting bosses and connecting grooves which are correspondingly spliced are respectively arranged on the splicing end faces of the two sides of each semicircular outer tube.
3. The insulating tube structure according to claim 2, wherein: the connecting boss and the connecting groove are arranged along the length direction of the PVC outer pipe in an extending mode.
4. A mold for forming a heat-insulating pipe structure according to claim 3, wherein: the mould comprises a bottom plate, wherein a PVC outer pipe is fixed on the bottom plate, a fixing groove for supporting and placing an iron core is formed in the bottom plate, and an injection molding hole is formed in the PVC outer pipe.
5. The molding die of claim 4, wherein: the bottom plate is provided with a boss clamping groove which is correspondingly clamped and limited and is connected with the boss.
6. The molding die of claim 5, wherein: and a positioning screw rod for positioning the iron core is further installed on one side of the bottom plate.
7. The molding die of claim 6, wherein: and the iron core is provided with a water through hole which is communicated along the length direction of the iron core.
8. The molding die of claim 4, wherein: and a demoulding hole correspondingly connected with the demoulding device is arranged below the fixing groove.
9. The molding die according to any one of claims 4 to 8, wherein: and the bottom plate is also provided with a clamping device for clamping and positioning the PVC outer pipe from the upper part.
10. The molding die of claim 9, wherein: the clamping device is provided with a clamping ejector rod vertically arranged to act on the PVC outer pipe, and the clamping ejector rod is adjustably connected to the horizontal clamping plate through an adjusting nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921522981.0U CN211054242U (en) | 2019-09-12 | 2019-09-12 | Insulating tube structure and forming die thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921522981.0U CN211054242U (en) | 2019-09-12 | 2019-09-12 | Insulating tube structure and forming die thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211054242U true CN211054242U (en) | 2020-07-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921522981.0U Expired - Fee Related CN211054242U (en) | 2019-09-12 | 2019-09-12 | Insulating tube structure and forming die thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211054242U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110625873A (en) * | 2019-09-12 | 2019-12-31 | 安徽工程大学 | Insulating tube structure and forming die thereof |
-
2019
- 2019-09-12 CN CN201921522981.0U patent/CN211054242U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110625873A (en) * | 2019-09-12 | 2019-12-31 | 安徽工程大学 | Insulating tube structure and forming die thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200721 |