CN210940445U - Mould for dry expansion of thermal shrinkage pipe - Google Patents
Mould for dry expansion of thermal shrinkage pipe Download PDFInfo
- Publication number
- CN210940445U CN210940445U CN201921542824.6U CN201921542824U CN210940445U CN 210940445 U CN210940445 U CN 210940445U CN 201921542824 U CN201921542824 U CN 201921542824U CN 210940445 U CN210940445 U CN 210940445U
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- vacuum
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- inner core
- sleeve
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 24
- 238000001816 cooling Methods 0.000 abstract description 5
- 238000001035 drying Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model discloses a mould for dry expansion of a thermal shrinkage pipe, which comprises a mould jacket, wherein a vacuum nozzle, a water inlet hole and a water outlet hole are sequentially processed on the mould jacket; the inner core is positioned in the cavity of the outer sleeve of the mold, a sleeve hole is processed in the inner core, the heat-shrinkable tube penetrates through a vacuum cavity between the sleeve hole and the inner wall of the inner core, and a vacuum suction hole and a vacuum gap are formed in the vacuum cavity; the die nozzle is matched with the sleeve hole, the die nozzle is installed in the center of one end of the die outer sleeve and is used for positioning the heat-shrinkable tube, a cavity between the die outer sleeve and the inner core, which is positioned on one side of the die nozzle, is communicated through the vacuum nozzle, and a cavity between the die outer sleeve and the inner core, which is far away from one side of the die nozzle, is communicated through the water inlet hole and the water outlet hole. This device evenly sets up through vacuum cavity and cooling chamber, guarantees that the sleeve pipe plays to expand the back and cools off the design rapidly, and the location effect that the cooperation mould was chewed for the dry process of expanding of pyrocondensation pipe is continuous stable going on.
Description
Technical Field
The utility model relates to a heat shrinkage bush's processing technology field especially relates to a heat shrinkage bush expands futilely and uses mould.
Background
In the prior art, the production of the heat-shrinkable tubing needs to be carried out by a plurality of procedures of granulation, irradiation, extrusion, expansion and the like. The expansion section is divided into oil expansion and dry expansion. At present, the expansion is usually carried out by adopting a vacuum expansion method, less compressed air is introduced into the pipe, when the heated pipe passes through an expansion mould, the pipe is vacuumized between the inner wall of the mould and the outside of the pipe, certain pressure difference is caused between the inside and the outside of the pipe, the pipe is expanded to be tightly attached to the inner wall of the mould under the action of the inside and outside pressure difference, the pipe is cooled and shaped when contacting the inner wall of the mould, a required product is obtained, and the size, the wall thickness, the shape, the starting speed and the like of the product are directly related to the expansion mould. The existing dry expanding die has the problems of unstable quality, discontinuous production and the like.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, provide a pyrocondensation pipe expands futilely and uses mould, evenly set up through vacuum cavity and cooling chamber, guarantee that the sleeve pipe plays to expand the back and cools off rapidly and stereotype, the positioning action that the cooperation mould was chewed for the dry process that expands of pyrocondensation pipe is steady going on in succession.
In order to achieve the above purpose, the utility model discloses a technical scheme is: a mould for dry expansion of a heat-shrinkable tube comprises a mould jacket, wherein a vacuum nozzle, a water inlet hole and a water outlet hole are sequentially processed on the mould jacket; the inner core is positioned in the cavity of the outer sleeve of the mold, a sleeve hole is processed in the inner core, the heat-shrinkable tube penetrates through a vacuum cavity between the sleeve hole and the inner wall of the inner core, and a vacuum suction hole and a vacuum gap are formed in the vacuum cavity; and the die nozzle is matched with the sleeve hole, is arranged at the center of one end of the die outer sleeve and is used for positioning the heat-shrinkable tube.
Further, the cavity between the outer sleeve and the inner core of the die and positioned on one side of the die nozzle is communicated with the cavity through the vacuum nozzle.
Furthermore, the cavity between the outer sleeve and the inner core of the die, which is far away from one side of the die nozzle, is communicated with the water outlet hole through the water inlet hole.
Furthermore, the vacuum chamber is provided with a plurality of vacuum suction holes communicated with the sleeve holes.
Furthermore, the vacuum suction holes and the vacuum gaps are communicated with the vacuum nozzle.
Furthermore, the vacuum air suction hole, the water inlet hole and the water outlet hole are all through holes which are quartered cylinders.
Compared with the prior art, the beneficial effects of the utility model are that: this device evenly sets up through vacuum cavity and cooling chamber, guarantees that the sleeve pipe plays to expand the back and cools off the design rapidly, and the location effect that the cooperation mould was chewed for the dry process of expanding of pyrocondensation pipe is continuous stable going on.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
The labels in the figures are: 1. a die nozzle; 2. sleeving a mold sleeve; 3. a vacuum nozzle; 4. a water inlet hole; 5. a vacuum chamber; 6. sleeving the pipe hole; 7. a vacuum suction hole; 8. and (7) water outlet holes.
Detailed Description
The following detailed description is provided to further explain the technical features and advantages of the present invention by referring to the accompanying drawings in combination with the embodiments.
As shown in fig. 1, the mold for dry expanding a thermal shrinkage pipe of the present invention comprises a mold jacket 2, wherein a vacuum nozzle 3, a water inlet hole 4 and a water outlet hole 8 are sequentially processed on the mold jacket; the inner core is positioned in the cavity of the outer sleeve of the mold, the inner core and the outer sleeve are in threaded connection and sealed by a sealing ring, a sleeve hole 6 is processed in the inner core, a heat-shrinkable tube penetrates through a vacuum cavity 5 between the sleeve hole and the inner wall of the inner core, and a vacuum suction hole and a vacuum gap are formed in the vacuum cavity; and the die nozzle 1 is matched with the sleeve hole, is arranged at the center of one end of the die outer sleeve and is used for positioning the heat-shrinkable tube, so that the heat-shrinkable tube can smoothly penetrate through the heat-shrinkable tube.
Furthermore, the cavity between the outer die sleeve and the inner core, which is positioned at one side of the die nozzle, is communicated through a vacuum nozzle, the cavity between the outer die sleeve and the inner core, which is positioned at one side far away from the die nozzle, is communicated through a water inlet hole and a water outlet hole, a plurality of vacuum suction holes 7 communicated with the sleeve pipe holes are processed on the vacuum cavity, the vacuum suction holes and the vacuum gaps are communicated with the vacuum nozzle, and the vacuum suction holes, the water inlet hole and the water outlet hole are all through holes of a quartering cylinder.
The utility model discloses in the device, through can constitute the mould body through the combination of multisection mould, a plurality of submoulds utensil simultaneous operation, pyrocondensation pipe expand the pipe diameter gradual change, can make the sleeve pipe expansion more stable. The heat-shrinkable tube is heated, is insulated by the die nozzle and then enters the bushing hole, and is vacuumized from the vacuum nozzle, the vacuum suction hole and the vacuum gap enable the vacuum cavity to form a vacuum environment, then the outer wall of the heat-shrinkable tube is tightly attached to the inner side wall of the vacuum cavity, and the cooling cavity is tightly attached to the horizontal direction of the vacuum cavity, so that the purpose of rapid cooling and shaping can be realized. In addition, a certain number of vacuum suction holes can be arranged on the vacuum cavity according to needs, the specific number is not particularly limited, a larger area of vacuum areas can be distributed in the mold through the vacuum suction holes, and better expansion is achieved. Finally, the shape of the inner wall of the inner core is selected according to the processing requirements, such as a tapered cylinder, a stepped cylinder and the like, as long as the size of the inner wall is larger than the diameter of the sleeve hole.
The utility model discloses in the device, evacuation equipment, cooling water circle device etc. are prior art or material, and affiliated technical staff can directly purchase or order from the market according to required product model and specification.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "mounted on" another element, it can be directly mounted on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
The present invention is described in detail in the above embodiments, and it should be understood that the described embodiments are not limited to the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Claims (6)
1. The mould for dry expansion of the thermal shrinkage pipe is characterized by comprising a mould jacket, wherein a vacuum nozzle, a water inlet hole and a water outlet hole are sequentially processed on the mould jacket; the inner core is positioned in the cavity of the outer sleeve of the mold, a sleeve hole is processed in the inner core, the heat-shrinkable tube penetrates through a vacuum cavity between the sleeve hole and the inner wall of the inner core, and a vacuum suction hole and a vacuum gap are formed in the vacuum cavity; and the die nozzle is matched with the sleeve hole, is arranged at the center of one end of the die outer sleeve and is used for positioning the heat-shrinkable tube.
2. The mold for dry expanding a heat-shrinkable tube as claimed in claim 1, wherein the cavity between the outer sleeve and the inner core at one side of the die nozzle is communicated with the cavity between the outer sleeve and the inner core through a vacuum nozzle.
3. The mold for dry expanding a heat-shrinkable tube as claimed in claim 2, wherein the cavity between the outer sleeve and the inner core at the side away from the die nozzle is communicated with the water outlet through a water inlet hole.
4. The mold for dry expanding a heat shrinkable tube as claimed in claim 3, wherein the vacuum chamber is formed with a plurality of vacuum suction holes communicating with the sleeve hole.
5. The mold for dry expanding a heat-shrinkable tube according to claim 4, wherein the vacuum suction hole and the vacuum slit are both communicated with the vacuum nozzle.
6. The mold for dry expanding a heat-shrinkable tube according to claim 5, wherein the vacuum suction hole, the water inlet hole and the water outlet hole are all through holes of a cylinder divided into four equal parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921542824.6U CN210940445U (en) | 2019-09-17 | 2019-09-17 | Mould for dry expansion of thermal shrinkage pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921542824.6U CN210940445U (en) | 2019-09-17 | 2019-09-17 | Mould for dry expansion of thermal shrinkage pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210940445U true CN210940445U (en) | 2020-07-07 |
Family
ID=71396720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921542824.6U Active CN210940445U (en) | 2019-09-17 | 2019-09-17 | Mould for dry expansion of thermal shrinkage pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210940445U (en) |
-
2019
- 2019-09-17 CN CN201921542824.6U patent/CN210940445U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231023 Address after: 523000 Po Po Industrial Zone, two industrial park, Fumin industrial estate, Dalang Town, Dongguan, Guangdong Patentee after: CYG ELECTRONIC (DONGGUAN) Co.,Ltd. Address before: 523000 Sanlian science and Technology Park, Jingxiang village, Liaobu Town, Dongguan City, Guangdong Province Patentee before: DONGGUAN SALIPT CO.,LTD. |