CN204196236U - A kind of dilatation mold - Google Patents
A kind of dilatation mold Download PDFInfo
- Publication number
- CN204196236U CN204196236U CN201420654917.9U CN201420654917U CN204196236U CN 204196236 U CN204196236 U CN 204196236U CN 201420654917 U CN201420654917 U CN 201420654917U CN 204196236 U CN204196236 U CN 204196236U
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- CN
- China
- Prior art keywords
- tube
- sizing tube
- heat
- chamber
- metering hole
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
Abstract
The utility model discloses a kind of dilatation mold, comprises mould mouth, sizing tube, vacuum chamber and cooling chamber.Mould mouth is located at the front end of sizing tube.Sizing tube has metering hole.Vacuum chamber and cooling chamber respectively along sizing tube length direction around being arranged on outside sizing tube.Sizing tube offers negative pressure pore and water hole.Negative pressure pore is communicated with metering hole and vacuum chamber.Water hole is communicated with metering hole and cooling chamber.Sizing tube is provided with malleation air chamber sizing tube being carried out to positive pressure, and malleation air chamber, around being arranged on sizing tube, sizing tube offers the malleation pore be communicated with sizing tube.The malleation air chamber of the utility model dilatation mold carries out applying normal pressure by malleation pore to the heat-shrink tube in metering hole, make between heat-shrink tube and metering hole inwall, to form one deck air film or aqueous vapor film, avoid heat-shrink tube and metering hole inwall to produce to rub, prevent from rubbing and the heat-shrink tube that causes stretches, expand the heat-shrink tube to meet the specification of quality, this can improve the quality of heat-shrink tube, can improve efficiency again.
Description
Technical field
The utility model relates to a kind of dilatation mold, particularly relates to the dilatation mold in a kind of expanding thermal shrinkage tube technique.
Background technology
At present, Heat shrink tube expansion system comprises conveying device, heater, dilatation mold and draw-gear.Operationally, single heat-shrink tube enters dilatation mold and expands Heat shrink tube expansion system under the conveying of conveying device after heating means preheats, draws after expanding thermal shrinkage tube through draw-gear.
Dilatation mold generally comprises mould mouth, sizing tube, vacuum chamber and cooling chamber.Mould mouth is arranged on the front end of sizing tube.Vacuum chamber and cooling chamber respectively along sizing tube length direction around being arranged on outside sizing tube.Sizing tube offers some pores with vacuum chamber and some water holes be communicated with cooling chamber.Vacuum chamber is positioned at after cooling chamber.
Above-mentioned dilatation mold is in the process of expansion of heat-shrink tube, heat-shrink tube is through the metering hole of the sizing tube of dilatation mold, be filled with barotropic gas in heat-shrink tube, the vacuum chamber of dilatation mold carries out suction function by pore to heat-shrink tube, and the two all plays the function making expanding thermal shrinkage tube.
But, heat-shrink tube is in the metering hole process of expansion of dilatation mold, because the positive pressure of gas in heat-shrink tube and vacuum chamber are to the suction function of heat-shrink tube, heat-shrink tube is made to be adjacent to the metering hole inwall of sizing tube, heat-shrink tube and metering hole inwall produce friction effect power, and this causes heat-shrink tube to produce stretching phenomenon, can not produce heat-shrink tube up to specification, particularly under rate of expansion faster situation, this phenomenon especially severe.
Utility model content
The purpose of this utility model is that providing a kind of heat-shrink tube not easily to produce in process of expansion stretches thus expand the heat-shrink tube to meet production specification.
For achieving the above object, dilatation mold that the utility model provides comprises mould mouth, sizing tube, vacuum chamber and cooling chamber.Mould mouth is arranged on the front end of sizing tube.Sizing tube has metering hole.Vacuum chamber and cooling chamber respectively along sizing tube length direction around being arranged on outside sizing tube.Sizing tube offers some negative pressure pores and some water holes.Negative pressure pore is communicated with metering hole and vacuum chamber.Water hole is communicated with metering hole and cooling chamber.Sizing tube is provided with malleation air chamber sizing tube being carried out to positive pressure, and malleation air chamber, around being arranged on sizing tube, sizing tube offers some malleation pores be communicated with sizing tube.
Preferably, described sizing tube in described malleation air chamber around one section be micropore ceramics section, the micropore of described micropore ceramics section forms described malleation pore.
Preferably, described malleation air chamber is arranged on described sizing tube front portion.
Preferably, described malleation air chamber is arranged on described sizing tube rear portion.
Preferably, described malleation air chamber is arranged between described vacuum chamber and described cooling chamber.
As mentioned above, the utility model dilatation mold is owing to having malleation air chamber, carrying out in process of expansion to heat-shrink tube, malleation air chamber carries out applying normal pressure by malleation pore to the heat-shrink tube in metering hole, this makes to form one deck air film or aqueous vapor film between heat-shrink tube and metering hole inwall, avoid heat-shrink tube and metering hole inwall to produce to rub, thus prevent the generation of the heat-shrink tube stretching phenomenon caused due to friction, thus expand the heat-shrink tube to meet the specification of quality, this had both improve the quality of heat-shrink tube, can improve efficiency again.
Accompanying drawing explanation
Fig. 1 is the cross section structure schematic diagram of the utility model dilatation mold embodiment 1;
Fig. 2 is the cross section structure schematic diagram of the utility model dilatation mold embodiment 2;
Fig. 3 is the cross section structure schematic diagram of the utility model dilatation mold embodiment 3.
Detailed description of the invention
By describing technology contents of the present utility model, structural feature in detail, realized object and effect, accompanying drawing is coordinated to be explained in detail below in conjunction with embodiment.
Embodiment 1
Refer to Fig. 1, it discloses the embodiment 1 of the utility model dilatation mold, comprises mould mouth 10, sizing tube 20, malleation air chamber 30, vacuum chamber 40 and cooling chamber 50.
Mould mouth 10 has hand-hole 11, is arranged on the front end of sizing tube 20.
Sizing tube 20 has a metering hole 21, malleation pore 22, some negative pressure pores 23 and some water holes 24.Metering hole 21 is opened on sizing tube 20 along sizing tube length direction, and its aperture is greater than the hand-hole 11 of mould mouth 10.
Malleation air chamber 30, vacuum chamber 40 and cooling chamber 50 respectively along sizing tube length direction around being arranged on outside sizing tube 20.Malleation air chamber 30 is for applying malleation to the heat-shrink tube 60 in sizing tube 20.Malleation air chamber 30 offers malleation input hole 31, and malleation input hole 31 is in order to input barotropic gas to malleation air chamber 30.Malleation air chamber 30 to be communicated with the metering hole 21 of sizing tube 20 by malleation pore 22 and to input barotropic gas to metering hole 21.Vacuum chamber 40 offers vacuum port 41, and vacuum port 41 is in order to vacuumize vacuum chamber 40.Vacuum chamber 40 to be communicated with metering hole 21 by negative pressure pore 23 and to vacuumize metering hole 21.Cooling chamber 50 offers water nozzle hole 51, in order to input cooling water in cooling chamber 50.Cooling chamber 50 to be communicated with metering hole 21 by water hole 24 and to inject cooling water in metering hole 21.
In the present embodiment, malleation air chamber 30 is anterior around being arranged on sizing tube 20.Vacuum chamber 40 is around being arranged in the middle part of sizing tube 20.Cooling chamber 50 is around being arranged on sizing tube 20 rear portion.The pore 22 of sizing tube 20 is communicated with vacuum chamber 30.Water hole 23 is communicated with cooling chamber 23.
Preferably, described sizing tube 20 in malleation air chamber 30 around one section be micropore ceramics section.Micropore ceramics section has micropore, and the micropore of micropore ceramics section forms described malleation pore 22, and this can make the positive pressure gas in malleation air chamber 30 can be put on equably in metering hole 21 by micropore.
In the present embodiment, malleation air chamber 30 is arranged on sizing tube 20 front end.
The utility model dilatation mold is when expanding heat-shrink tube 60, heat-shrink tube 60 is expanded at the metering hole 21 of the sizing tube 20 of dilatation mold, in heat-shrink tube 60, be filled with barotropic gas heat-shrink tube 60 is expanded and shapes at metering hole 21 intramedullary expansion, malleation air chamber 30 inputs barotropic gas by malleation pore 22 to metering hole 21, the heat-shrink tube 60 of barotropic gas to expansion of this input applies normal pressure, the heat-shrink tube 60 in metering hole 21 is made to form one deck air film with metering hole 21 inwall, this air film can prevent from heat-shrink tube 60 and metering hole 21 inwall from producing rubbing, thus the heat-shrink tube after the expansion that causes of avoiding rubbing stretches.
Embodiment 2
Refer to Fig. 2, the present embodiment discloses embodiment 2 of the present utility model, and the present embodiment is similar to Example 1, and its difference is: malleation air chamber 30 is arranged in the middle part of sizing tube 20, namely between vacuum chamber 40 and cooling chamber 50.
Because vacuum chamber 50 is positioned at sizing tube 20 top, malleation air chamber 30 is between vacuum chamber 40 and cooling chamber 50, vacuum chamber 50 is in the process vacuumized metering hole 21, the barotropic gas that healthy tendency air chamber 30 is inputted to metering hole 21 by malleation pore 31 and the cooling water that cooling chamber 50 is inputted to metering hole 21 by water hole 51 mix formation air-water mixture, this makes the heat-shrink tube 60 in metering hole 21 and forms one deck aqueous vapor film between metering hole 21 inwall, this aqueous vapor film can prevent from heat-shrink tube 60 and metering hole 21 inwall from producing rubbing, thus the heat-shrink tube after the expansion that causes of avoiding rubbing stretches.
Embodiment 3
Refer to Fig. 3, the present embodiment discloses the embodiment 3 of the utility model dilatation mold, the present embodiment is similar to Example 1, its difference is: malleation air chamber 30 is arranged on sizing tube 20 rear portion, i.e. cooling chamber 50 rear portion, vacuum chamber 50 is in the process vacuumized metering hole 21, the barotropic gas that healthy tendency air chamber 30 is inputted to metering hole 21 by malleation pore 31 and the cooling water that cooling chamber 50 is inputted to metering hole 21 by water hole 51 mix formation air-water mixture, this makes the heat-shrink tube 60 in metering hole 21 and forms one deck aqueous vapor film between metering hole 21 inwall, this aqueous vapor film can prevent from heat-shrink tube 60 and metering hole 21 inwall from producing rubbing, thus the heat-shrink tube after the expansion that causes of avoiding rubbing stretches.
In sum, the utility model dilatation mold is owing to having malleation air chamber 30, carrying out in process of expansion to heat-shrink tube 60, malleation air chamber 30 carries out applying barotropic gas by the heat-shrink tube 60 in malleation pore 31 pairs of metering holes 21, this makes to form a kind of air film or aqueous vapor film between heat-shrink tube 60 and metering hole 21 inwall, avoid heat-shrink tube 60 and metering hole 21 inwall to produce to rub, thus prevent the generation of the heat-shrink tube stretching phenomenon caused due to friction, thus expand the heat-shrink tube to meet the specification of quality, this had both improve the quality of heat-shrink tube, efficiency can be improved again.
The utility model is not limited to above-mentioned detailed description of the invention, and those skilled in the art also can make multiple change accordingly, but to be anyly equal to the utility model or similar change all should be encompassed in the scope of the utility model claim.
Claims (5)
1. a dilatation mold, comprise mould mouth, sizing tube, vacuum chamber and cooling chamber, described mould mouth is arranged on the front end of sizing tube, described sizing tube has metering hole, described vacuum chamber and cooling chamber respectively along sizing tube length direction around being arranged on outside sizing tube, described sizing tube offers some negative pressure pores and some water holes, described negative pressure pore is communicated with metering hole and vacuum chamber, described water hole is communicated with metering hole and cooling chamber, it is characterized in that: described sizing tube is provided with the malleation air chamber described sizing tube being carried out to positive pressure, described malleation air chamber is around being arranged on described sizing tube, described sizing tube offers the malleation pore that some and described sizing tube is communicated with.
2. dilatation mold according to claim 1, is characterized in that: described sizing tube in described malleation air chamber around one section for micropore ceramics section, the micropore of described micropore ceramics section forms described malleation pore.
3. dilatation mold according to claim 1, is characterized in that: it is anterior that described malleation air chamber is arranged on described sizing tube.
4. dilatation mold according to claim 1, is characterized in that: described malleation air chamber is arranged on described sizing tube rear portion.
5. dilatation mold according to claim 1, is characterized in that: described malleation air chamber is arranged between described vacuum chamber and described cooling chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420654917.9U CN204196236U (en) | 2014-11-05 | 2014-11-05 | A kind of dilatation mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420654917.9U CN204196236U (en) | 2014-11-05 | 2014-11-05 | A kind of dilatation mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204196236U true CN204196236U (en) | 2015-03-11 |
Family
ID=52654233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420654917.9U Withdrawn - After Issue CN204196236U (en) | 2014-11-05 | 2014-11-05 | A kind of dilatation mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204196236U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104494136A (en) * | 2014-11-05 | 2015-04-08 | 深圳市沃尔核材股份有限公司 | Expanding die |
-
2014
- 2014-11-05 CN CN201420654917.9U patent/CN204196236U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104494136A (en) * | 2014-11-05 | 2015-04-08 | 深圳市沃尔核材股份有限公司 | Expanding die |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 518118 Guangdong province Shenzhen Pingshan New District Industrial Park Road, Lan Jing wal Patentee after: Shenzhen Woer Heat-Shrinkable Material Co., Ltd. Patentee after: Shenzhen Woer Special Cable Co., Ltd. Patentee after: CHANGZHOU WOER NUCLEAR MATERIAL CO., LTD. Patentee after: Leting wire industry (Huizhou) Co., Ltd. Patentee after: Huizhou LTK Electronic Cable Co., Ltd. Address before: 518118 Guangdong province Shenzhen Pingshan New District Industrial Park Road, Lan Jing wal Patentee before: Shenzhen Woer Heat-Shrinkable Material Co., Ltd. Patentee before: Shenzhen Woer Special Cable Co., Ltd. Patentee before: Jintan Woer New Material Co., Ltd. Patentee before: Leting wire industry (Huizhou) Co., Ltd. Patentee before: Huizhou LTK Electronic Cable Co., Ltd. |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20150311 Effective date of abandoning: 20170822 |
|
| AV01 | Patent right actively abandoned |