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CN110039737A - A kind of miniature single head heating-pipe structure of hot flow path and its manufacturing method - Google Patents

A kind of miniature single head heating-pipe structure of hot flow path and its manufacturing method Download PDF

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Publication number
CN110039737A
CN110039737A CN201910326002.2A CN201910326002A CN110039737A CN 110039737 A CN110039737 A CN 110039737A CN 201910326002 A CN201910326002 A CN 201910326002A CN 110039737 A CN110039737 A CN 110039737A
Authority
CN
China
Prior art keywords
stick
resistance wire
magnesia
stainless steel
draw
Prior art date
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.)
Granted
Application number
CN201910326002.2A
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Chinese (zh)
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CN110039737B (en
Inventor
沈永秋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HANGZHOU ZUOPASI INDUSTRY Co Ltd
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HANGZHOU ZUOPASI INDUSTRY Co Ltd
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Priority to CN201910326002.2A priority Critical patent/CN110039737B/en
Publication of CN110039737A publication Critical patent/CN110039737A/en
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Publication of CN110039737B publication Critical patent/CN110039737B/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/26Moulds
    • B29C45/27Sprue channels ; Runner channels or runner nozzles
    • B29C45/2737Heating or cooling means therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/26Moulds
    • B29C45/27Sprue channels ; Runner channels or runner nozzles
    • B29C45/2737Heating or cooling means therefor
    • B29C2045/2743Electrical heating element constructions

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Resistance Heating (AREA)

Abstract

The invention belongs to heating element technical field more particularly to a kind of miniature single head heating-pipe structure of hot flow path and its manufacturing methods.A kind of miniature single head heating-pipe structure of hot flow path, including resistance wire;Further include magnesia rod, two through-holes being parallel to each other radially are provided among magnesia rod, resistance wire passes through through-hole, forms the circuit of a U-shaped;Resistance wire both ends are drawn by drawing stick, are drawn stick and are fixed by flange and connect with conducting wire, and the stainless steel casing of tubulose is arranged with outside magnesia rod.The present invention also provides a kind of methods for manufacturing above-mentioned heating-pipe structure.Manufacturing process of the present invention does not need plus magnesia powder, has many advantages, such as that structure is simple, easily manufactured, electrothermal tube internal density uniformity is good, and fever is uniformly, electrothermal tube extension consistency is good, electrothermal tube flexibility is good.

Description

A kind of miniature single head heating-pipe structure of hot flow path and its manufacturing method
Technical field
The invention belongs to heating element technical field more particularly to a kind of miniature single head heating-pipe structure of hot flow path and its systems Make method.
Background technique
Currently, there are many hot flow path heating element type in the market, a product related to the present invention is generally existing following Disadvantage:
Time-consuming: manufacturing process needs plus magnesia powder, because product is very thin very long, when causing to add magnesia powder process took Between it is very long, some especially long products even need that good magnesia powder could be added within several hours, waste time very much.
Pollution: for a long time plus magnesia powder, and add and need to shake during powder, lead to partial oxidation magnesium powder dust Form evaporate into air, cause shopwork environment dust excessive, pollute the environment, cause harm to the human body.
Electric heating fever is uneven: because interiors of products space very little is very long, magnesia powder being caused to be difficult to be uniformly filled to often A gap causes magnesia powder large or fine granule that cannot be uniformly distributed well for a long time plus after powder, so as to cause electrothermal tube fever Unevenly.
Electric heating length of tube is uneven: the length between the rear electrothermal tube individual for unevenly leading to the draw of magnesia powder is different It causes, has with short.
Electrothermal tube buckling performance is bad: internal oxidation magnesium powder unevenly causes local density excessive, part when bending It is easily broken.
Summary of the invention
The technical problem to be solved by the present invention is to overcome deficiency in the prior art, provide a kind of miniature single head of hot flow path Heating-pipe structure and its manufacturing method.
In order to solve the above technical problems, the solution that the present invention uses is:
A kind of miniature single head heating-pipe structure of hot flow path, including resistance wire are provided;It further include magnesia rod, in magnesia rod Between be radially provided with two through-holes being parallel to each other, resistance wire passes through through-hole, forms the circuit of a U-shaped;Resistance wire both ends are logical It crosses and draws stick extraction, draw stick and fixed by flange and connect with conducting wire, the stainless steel casing of tubulose is arranged with outside magnesia rod.
As an improvement separate stick end of drawing is equipped with insulating trip and bottom cover in stainless steel casing.
As an improvement eduction rod rear end is equipped with the first plug.
As an improvement flange and drawing between stick filled with joint filling material, moisture-proof effect is played.
As an improvement flange extremity is equipped with the second plug, for preventing joint filling material excessive.
The present invention also provides a kind of method for manufacturing above-mentioned heating-pipe structure, steps are as follows:
(1) draw the both ends that stick is connected to resistance wire for two, connect draw stick and resistance wire penetrates magnesia rod Two holes formed a U-shaped circuit;
(2) it is packed into the first plug of a close-fitting in magnesia rod end, for the fixed resistance wire put on and draws stick, makes Not with magnesia rod relative displacement;
(3) put on magnesia rod, resistance wire, draw stick, the first plug be packed into stainless steel casing inside;
(4) stainless steel casing has one end nozzle for drawing stick to compress, so that plug is fixed inside stainless steel casing;Bottom dress Enter insulating trip and stainless steel tube bottom cover;Stainless steel bottom cover and stainless steel casing are welded together with the mode of welding;
(5) draw is carried out on machine for shrinking, allows magnesia rod to crush by way of the draw, and the magnesia powder of crushing is filled into In the hole of magnesia rod, resistance wire surrounding is allowed uniformly to be covered with magnesia powder.
Compared with prior art, the solution have the advantages that:
Manufacturing process does not need plus magnesia powder, simple, easily manufactured, the electrothermal tube internal density uniformity with structure Good, generate heat the advantages that uniform, electrothermal tube extension consistency is good, electrothermal tube flexibility is good.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention;
Fig. 2 is finished product figure of the invention.
Fig. 3 is the sectional view of magnesia rod in the present invention;
Appended drawing reference: 1- bottom cover, 2- insulating trip, 3- stainless steel casing, 4- magnesia rod;5- resistance wire, 6- draw stick, 7- One plug, 8- flange;9 second plugs;10- conducting wire.
Specific embodiment
With reference to the accompanying drawing, specific embodiments of the present invention will be described in detail.
As shown in Figs. 1-2, the miniature single head heating-pipe structure of a kind of hot flow path, including resistance wire 5;It further include magnesia rod 4, Two through-holes being parallel to each other radially are provided among magnesia rod 4, resistance wire 5 passes through through-hole, forms the circuit of a U-shaped; 5 both ends of resistance wire are drawn by drawing stick 6, are drawn stick 6 and are fixed by flange and connect with conducting wire, and tubulose is arranged with outside magnesia rod 4 Stainless steel casing 3.Separate 6 end of stick of drawing is equipped with insulating trip 2 and bottom cover 1 in stainless steel casing 3.Eduction rod rear end is equipped with the first plug Son 7.
Flange and draw between stick 6 filled with joint filling material, plays moisture-proof effect.Flange extremity is equipped with the second plug, is used for Prevent joint filling material excessive.
The present invention also provides a kind of method for manufacturing above-mentioned heating-pipe structure, steps are as follows:
(1) draw the both ends that stick 6 is connected to resistance wire 5 for two, connect draw stick 6 and resistance wire 5 penetrates oxidation Two holes of magnesium bar 4 form the circuit of a U-shaped;
(2) it is packed into the first plug 7 of a close-fitting in 4 end of magnesia rod, for the fixed resistance wire 5 put on and draws stick 6, be allowed to not with 4 relative displacement of magnesia rod;
(3) the magnesia rod 4 put on, resistance wire 5, draw stick 6, the first plug 7 is packed into the inside of stainless steel casing 3;
(4) stainless steel casing 3 has one end nozzle for drawing stick 6 to compress, so that plug is fixed inside stainless steel casing 3;Bottom Portion is packed into insulating trip 2 and stainless steel tube bottom cover 1;Stainless steel bottom cover 1 and stainless steel casing 3 are welded on one with the mode of welding It rises;
(5) draw is carried out on machine for shrinking, and magnesia rod 4 is allowed to crush by way of the draw, the magnesia powder filling of crushing Into the hole of magnesia rod 4,5 surrounding of resistance wire is allowed uniformly to be covered with magnesia powder.
The hole of centre two of magnesia rod 4 is symmetrical circular through-hole;The cross section of magnesia rod 4 is ellipse, the electricity Resistance silk 5 is cascaded several magnesia rods 4 by two holes of magnesia rod 4, so that the property placed in the middle of resistance wire 5 and symmetrically Property is all fine.Draw stick 6 and conducting wire 10 directly welds;Plug 7 is interference fitted with stick 6 is drawn, it is therefore intended that after plug installs It cannot at will move;Put on magnesia rod 4, resistance wire 5, draw stick 6, plug 7 be packed into 3 the inside of stainless steel casing when, One end cap of stainless steel 3 is on a small boss, for ensuring the extension consistency of bottom cold end.
It is finally noted that the above enumerated are only specific embodiments of the present invention.It is clear that the invention is not restricted to Upper embodiment can also have many variations.Those skilled in the art can from present disclosure directly export or All deformations associated, are considered as protection scope of the present invention.

Claims (6)

1. a kind of miniature single head heating-pipe structure of hot flow path, including resistance wire;It is characterized in that, further include magnesia rod, oxidation Two through-holes being parallel to each other radially are provided among magnesium bar, resistance wire passes through the through-hole, forms the circuit of a U-shaped;Institute It states resistance wire both ends and is drawn by drawing stick, draw stick and fixed by flange and connect with conducting wire, tubulose is arranged with outside magnesia rod Stainless steel casing.
2. structure according to claim 1, which is characterized in that separate stick end of drawing is equipped with insulating trip in the stainless steel casing And bottom cover.
3. structure according to claim 1, which is characterized in that the eduction rod rear end is equipped with the first plug.
4. structure according to claim 1, which is characterized in that the flange and draw between stick filled with joint filling material, play Moisture-proof effect.
5. structure according to claim 1 or 4, which is characterized in that the flange extremity is equipped with the second plug, for preventing Joint filling material is excessive.
6. a kind of method of heating-pipe structure described in manufacturing claims 1, which is characterized in that step are as follows:
(1) draw the both ends that stick is connected to resistance wire for two, connect draw stick and resistance wire penetrates the two of magnesia rod A hole forms the circuit of a U-shaped;
(2) it is packed into the first plug of a close-fitting in magnesia rod end, for the fixed resistance wire put on and draws stick, is allowed to not With magnesia rod relative displacement;
(3) put on magnesia rod, resistance wire, draw stick, the first plug be packed into stainless steel casing inside;
(4) stainless steel casing has one end nozzle for drawing stick to compress, so that plug is fixed inside stainless steel casing;Bottom is packed into exhausted Embolium and stainless steel tube bottom cover;Stainless steel bottom cover and stainless steel casing are welded together with the mode of welding;
(5) draw is carried out on machine for shrinking, allows magnesia rod to crush by way of the draw, and the magnesia powder of crushing is filled into oxidation In the hole of magnesium bar, resistance wire surrounding is allowed uniformly to be covered with magnesia powder.
CN201910326002.2A 2019-04-23 2019-04-23 Hot runner miniature single-end heating pipe structure and manufacturing method thereof Active CN110039737B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910326002.2A CN110039737B (en) 2019-04-23 2019-04-23 Hot runner miniature single-end heating pipe structure and manufacturing method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910326002.2A CN110039737B (en) 2019-04-23 2019-04-23 Hot runner miniature single-end heating pipe structure and manufacturing method thereof

Publications (2)

Publication Number Publication Date
CN110039737A true CN110039737A (en) 2019-07-23
CN110039737B CN110039737B (en) 2024-04-09

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH246439A (en) * 1944-05-10 1947-01-15 Luescher Paul Process for the production of electric heating rods.
FR2754128A1 (en) * 1996-09-27 1998-04-03 Vulcanic Tubular heating element for electric radiator
KR100915997B1 (en) * 2009-05-11 2009-09-10 김봉선 Manufacturing method for the heat pipe
CN102528394A (en) * 2011-12-27 2012-07-04 乐清市海狮电热电器制造有限公司 Manufacturing method of electric heating push rod of electronic thermostat of engine
CN104284460A (en) * 2013-07-05 2015-01-14 镇江市清安电器有限公司 High-temperature drying-free U-shaped pipe and manufacturing method thereof
CN206865772U (en) * 2017-06-10 2018-01-09 杭州佐帕斯工业有限公司 The single-end electrothermal tube of three-phase electricity input
KR20180110768A (en) * 2017-03-30 2018-10-11 주식회사 이노핫 Heating set for hot water apparatus
JP2019050076A (en) * 2017-09-07 2019-03-28 カルソニックカンセイ株式会社 Sheath heater and manufacturing method thereof
CN210552850U (en) * 2019-04-23 2020-05-19 杭州佐帕斯工业有限公司 Micro single-head heating pipe structure of hot runner

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH246439A (en) * 1944-05-10 1947-01-15 Luescher Paul Process for the production of electric heating rods.
FR2754128A1 (en) * 1996-09-27 1998-04-03 Vulcanic Tubular heating element for electric radiator
KR100915997B1 (en) * 2009-05-11 2009-09-10 김봉선 Manufacturing method for the heat pipe
CN102528394A (en) * 2011-12-27 2012-07-04 乐清市海狮电热电器制造有限公司 Manufacturing method of electric heating push rod of electronic thermostat of engine
CN104284460A (en) * 2013-07-05 2015-01-14 镇江市清安电器有限公司 High-temperature drying-free U-shaped pipe and manufacturing method thereof
KR20180110768A (en) * 2017-03-30 2018-10-11 주식회사 이노핫 Heating set for hot water apparatus
CN206865772U (en) * 2017-06-10 2018-01-09 杭州佐帕斯工业有限公司 The single-end electrothermal tube of three-phase electricity input
JP2019050076A (en) * 2017-09-07 2019-03-28 カルソニックカンセイ株式会社 Sheath heater and manufacturing method thereof
CN210552850U (en) * 2019-04-23 2020-05-19 杭州佐帕斯工业有限公司 Micro single-head heating pipe structure of hot runner

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