CN103273631A - Hot runner heater and manufacture method thereof - Google Patents
Hot runner heater and manufacture method thereof Download PDFInfo
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- CN103273631A CN103273631A CN2013101804655A CN201310180465A CN103273631A CN 103273631 A CN103273631 A CN 103273631A CN 2013101804655 A CN2013101804655 A CN 2013101804655A CN 201310180465 A CN201310180465 A CN 201310180465A CN 103273631 A CN103273631 A CN 103273631A
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- joint
- heat
- generating pipe
- tetrafluoro
- line
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Abstract
The invention discloses a hot runner heater and a manufacture method thereof. The hot runner heater comprises a barrel-shaped joint, a polytetrafluoroethylene wire, a heating tube and a magnesium oxide tube, wherein the polytetrafluoroethylene wire is electrically connected with the heating tube, the magnesium oxide tube is sleeved on the outer wall of the polytetrafluoroethylene wire, the barrel-shaped joint comprises an opening, a barrel body and a barrel bottom, the barrel body forms a containing cavity of the magnesium oxide tube, a through hole is formed in the barrel bottom, the magnesium oxide tube is located in the containing cavity, the heating tube is passes through the through hole, the outer wall of the magnesium oxide tube is fit with the inner wall of the joint, an upper silicone rubber layer is arranged at the opening of the joint, a lower silicone rubber layer is arranged on the junction surface of the through hole and the heating tube, and the polytetrafluoroethylene wire penetrates through the upper silicone rubber layer. The manufacture method of the hot runner heater comprises the steps of: (1) assembling; (2) wiring; (3) silicone rubber injecting; and (4) compressing. The hot runner heater eliminates the hidden danger of electric leakage and has effects of water proofing, moisture proofing and the like, and the manufacture method is reasonable, simple and convenient.
Description
Technical field
The present invention relates to hot flow path heater field, refer to a kind of hot flow path heater and manufacture method thereof especially.
Background technology
The hot flow path heater is the important component part of TOP-TIP.Existing hot flow path heater comprises joint, the tetrafluoro line, heat-generating pipe and magnesia tube, the tetrafluoro line is electrically connected with heat-generating pipe, magnesia tube is sheathed on the outer wall of tetrafluoro line, this joint is U-shaped setting, this joint comprises containing cavity, the bottom of this joint is provided with through hole, and this magnesia tube is positioned at this containing cavity, and heat-generating pipe passes this through hole setting, the opening of this joint and through hole are provided with tetrafluoro head circle again, in the hot flow path heater of this structure, have the gap between magnesia tube and the joint sidewall, the air at this place generates heat easily, explosive, have potential safety hazard, and this hot flow path heater is easily intake the hidden danger of existence electric leakage.
The manufacture method of this hot flow path heater connects for tetrafluoro line and heat-generating pipe are electrically connected on the other hand, sheathed magnesia tube on the tetrafluoro line again, again the containing cavity of heat-generating pipe by joint moved to the direction of through hole, through hole is sheathed on the outer wall of heat-generating pipe, magnesia tube is positioned at joint inside, and be provided with tetrafluoro head circle between tetrafluoro line and the joint, this tetrafluoro head circle is pressed in joint by the joint outer wall, be provided with tetrafluoro head circle between heat-generating pipe and the through hole, adopt in this manufacture method, in the operation with the press-in connector of tetrafluoro head circle, tetrafluoro head circle is easy to damage, cause the water resistance of joint relatively poor, manufacture method is unreasonable, and the complex procedures of making, and the hot flow path heater that produces can not waterproof, the hidden danger that has electric leakage, and blast easily.
Summary of the invention
Deficiency at prior art exists the object of the present invention is to provide a kind of have water resistance and the rational hot flow path heater of manufacture method and manufacture method thereof.
In order to solve hot flow path heater explosive, can not waterproof etc. problem, one aspect of the present invention has proposed a kind of hot flow path heater, comprise the joint that is tubbiness, the tetrafluoro line, heat-generating pipe and magnesia tube, the tetrafluoro line is electrically connected with heat-generating pipe, magnesia tube is sheathed on the outer wall of tetrafluoro line, the joint of this tubbiness comprises opening, ladle body and the bucket end, this ladle body constitutes the magnesia tube containing cavity, be provided with through hole at the bottom of this barrel, this magnesia tube is positioned at this containing cavity, and heat-generating pipe passes this through hole setting, the outer wall of described magnesia tube and the inwall of joint are fitted and are arranged, the opening part of described joint is provided with silastic-layer, and the joint face of through hole and heat-generating pipe is provided with down silastic-layer, and the tetrafluoro line passes the silastic-layer setting.
The present invention further is set to: described silastic-layer inside down is provided with sealing ring, and the sealing snare is located on the heat-generating pipe.
By adopting technique scheme, the hot flow path heater of this structure, there is not the gap between the inwall of magnesia tube and joint, having solved the explosive situation of hot flow path heater takes place, and opening and through hole at joint are provided with silastic-layer, the situation that effectively prevents this hot flow path heater water inlet takes place, and has eliminated electric leakage hidden danger, has effects such as waterproof and dampproof.
The present invention has proposed a kind of manufacture method of hot flow path heater on the other hand, and manufacture method is as follows:
(1) assembling: sealing ring is sheathed on an end of heat-generating pipe, heat-generating pipe is packed in the joint again, heat-generating pipe passes the through hole setting;
(2) wiring: the tetrafluoro line is electrically connected with heat-generating pipe, sealing ring is pushed into the joint bottom;
(3) injection silicon rubber: between heat-generating pipe and through hole, inject silicon rubber, the junction injection silicon rubber of tetrafluoro line and heat-generating pipe, form silastic-layer down, magnesia tube is sheathed on the outer wall setting of tetrafluoro line, at opening and place, the slit between the tetrafluoro line injection silicon rubber of joint, silastic-layer on the formation;
(4) compression: the outer wall of compression joint, the inwall of joint and the outer wall of magnesia tube are fitted.
The present invention further is set to: in (4) step, the decrement in the aperture of the outer wall of described joint is 1mm.
By adopting technique scheme, changed existing manufacture method, adopt the form elimination joint of compression and the gap between the magnesia tube, at junction injection silicon rubber, manufacture method is reasonable, and manufacture method is easy, and the hot flow path heater that adopts this manufacture method to produce has been eliminated electric leakage hidden danger, has effects such as waterproof and dampproof.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is specific embodiment of the invention structural representation;
Fig. 2 is specific embodiment of the invention center tap structural representation.
The specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
As Fig. 1-shown in Figure 2, the invention discloses a kind of hot flow path heater, comprise the joint 1 that is tubbiness, tetrafluoro line 7, heat-generating pipe 3 and magnesia tube 2, tetrafluoro line 7 is electrically connected with heat-generating pipe 3, magnesia tube 2 is sheathed on the outer wall of tetrafluoro line 7, the joint 1 of this tubbiness comprises opening 11, ladle body 12 and the bucket end 13, this ladle body 12 constitutes magnesia tube containing cavity 14,13 are provided with through hole 131 at the bottom of this barrel, this magnesia tube 2 is positioned at this containing cavity 14, and heat-generating pipe 3 passes this through hole 131 and arranges, the inwall of the outer wall of described magnesia tube 2 and joint 1 is fitted and is arranged, opening 11 places of described joint are provided with silastic-layer 6, through hole 131 is provided with down silastic-layer 5 with the joint face of heat-generating pipe 3, and tetrafluoro line 7 passes silastic-layer 6 and arranges, described silastic-layer 5 inside down are provided with sealing ring 4, sealing circle 4 is sheathed on the heat-generating pipe 3, the hot flow path heater of this structure, there is not the gap between the inwall of magnesia tube and joint, having solved the explosive situation of hot flow path heater takes place, and opening and through hole at joint are provided with silastic-layer, the situation that effectively prevents this hot flow path heater water inlet takes place, eliminate electric leakage hidden danger, had effects such as waterproof and dampproof.
The invention also discloses a kind of manufacture method of hot flow path heater, manufacture method is as follows:
(1) assembling: sealing ring is sheathed on an end of heat-generating pipe, heat-generating pipe is packed in the joint again, heat-generating pipe passes the through hole setting;
(2) wiring: the tetrafluoro line is electrically connected with heat-generating pipe, sealing ring is pushed into the joint bottom;
(3) injection silicon rubber: between heat-generating pipe and through hole, inject silicon rubber, the junction injection silicon rubber of tetrafluoro line and heat-generating pipe, form silastic-layer down, magnesia tube is sheathed on the outer wall setting of tetrafluoro line, at opening and place, the slit between the tetrafluoro line injection silicon rubber of joint, silastic-layer on the formation;
(4) compression: the outer wall of compression joint, the inwall of joint and the outer wall of magnesia tube are fitted.
The present invention further is set to: in (4) step, the decrement in the aperture of the outer wall of described joint is 1mm, and namely the aperture of joint is compressed to 7mm by 8mm.
By adopting technique scheme, changed existing manufacture method, adopt the form elimination joint of compression and the gap between the magnesia tube, at junction injection silicon rubber, manufacture method is reasonable, and manufacture method is easy, and the hot flow path heater that adopts this manufacture method to produce has been eliminated electric leakage hidden danger, has effects such as waterproof and dampproof.
The above only is preferred embodiment of the present invention, and is in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (4)
1. hot flow path heater, comprise the joint that is tubbiness, the tetrafluoro line, heat-generating pipe and magnesia tube, the tetrafluoro line is electrically connected with heat-generating pipe, magnesia tube is sheathed on the outer wall of tetrafluoro line, the joint of this tubbiness comprises opening, ladle body and the bucket end, this ladle body constitutes the magnesia tube containing cavity, be provided with through hole at the bottom of this barrel, this magnesia tube is positioned at this containing cavity, and heat-generating pipe passes this through hole setting, it is characterized in that: the outer wall of described magnesia tube and the inwall of joint are fitted and are arranged, and the opening part of described joint is provided with silastic-layer, the joint face of through hole and heat-generating pipe is provided with down silastic-layer, and the tetrafluoro line passes the silastic-layer setting.
2. hot flow path heater according to claim 1 is characterized in that: described silastic-layer inside down is provided with sealing ring, and the sealing snare is located on the heat-generating pipe.
3. the manufacture method of a hot flow path heater, manufacture method is as follows:
(1) assembling: sealing ring is sheathed on an end of heat-generating pipe, heat-generating pipe is packed in the joint again, heat-generating pipe passes the through hole setting;
(2) wiring: the tetrafluoro line is electrically connected with heat-generating pipe, sealing ring is pushed into the joint bottom;
(3) injection silicon rubber: between heat-generating pipe and through hole, inject silicon rubber, the junction injection silicon rubber of tetrafluoro line and heat-generating pipe, form silastic-layer down, magnesia tube is sheathed on the outer wall setting of tetrafluoro line, at opening and place, the slit between the tetrafluoro line injection silicon rubber of joint, silastic-layer on the formation;
(4) compression: the outer wall of compression joint, the inwall of joint and the outer wall of magnesia tube are fitted.
4. the manufacture method of hot flow path heater according to claim 3 is characterized in that: in (4) step, the decrement in the aperture of the outer wall of described joint is 1mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101804655A CN103273631A (en) | 2013-05-14 | 2013-05-14 | Hot runner heater and manufacture method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101804655A CN103273631A (en) | 2013-05-14 | 2013-05-14 | Hot runner heater and manufacture method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN103273631A true CN103273631A (en) | 2013-09-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013101804655A Pending CN103273631A (en) | 2013-05-14 | 2013-05-14 | Hot runner heater and manufacture method thereof |
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| Country | Link |
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| CN (1) | CN103273631A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106170156A (en) * | 2016-08-17 | 2016-11-30 | 珠海格力电器股份有限公司 | PTC structure and electrical heating heat-generating pipe |
| CN108381875A (en) * | 2018-03-05 | 2018-08-10 | 高立凡 | A kind of Hot runner heater |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1697574A (en) * | 2004-05-14 | 2005-11-16 | 荣有限公司 | Sheathing heater,its mfg. method and heater |
| JP2006185676A (en) * | 2004-12-27 | 2006-07-13 | Daido Kogyosho:Kk | Pressure-resistant explosion-proof sheathed heater |
| CN101666581A (en) * | 2008-09-01 | 2010-03-10 | 光洋热系统株式会社 | Heat treatment device |
| CN201910938U (en) * | 2010-12-14 | 2011-07-27 | 冼远程 | Electric-heating tube with reliable assembling structure |
-
2013
- 2013-05-14 CN CN2013101804655A patent/CN103273631A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1697574A (en) * | 2004-05-14 | 2005-11-16 | 荣有限公司 | Sheathing heater,its mfg. method and heater |
| JP2006185676A (en) * | 2004-12-27 | 2006-07-13 | Daido Kogyosho:Kk | Pressure-resistant explosion-proof sheathed heater |
| CN101666581A (en) * | 2008-09-01 | 2010-03-10 | 光洋热系统株式会社 | Heat treatment device |
| CN201910938U (en) * | 2010-12-14 | 2011-07-27 | 冼远程 | Electric-heating tube with reliable assembling structure |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106170156A (en) * | 2016-08-17 | 2016-11-30 | 珠海格力电器股份有限公司 | PTC structure and electrical heating heat-generating pipe |
| CN108381875A (en) * | 2018-03-05 | 2018-08-10 | 高立凡 | A kind of Hot runner heater |
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Application publication date: 20130904 |