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 PDFInfo
- 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
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 11
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims abstract description 97
- 239000000395 magnesium oxide Substances 0.000 claims abstract description 49
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 28
- 239000010935 stainless steel Substances 0.000 claims abstract description 28
- 239000000843 powder Substances 0.000 claims abstract description 17
- 238000000034 method Methods 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims description 6
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 5
- 230000003647 oxidation Effects 0.000 claims description 5
- 238000007254 oxidation reaction Methods 0.000 claims description 5
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 3
- 229910052749 magnesium Inorganic materials 0.000 claims description 3
- 239000011777 magnesium Substances 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 206010037660 Pyrexia Diseases 0.000 abstract description 3
- 238000010438 heat treatment Methods 0.000 abstract description 3
- 239000000428 dust Substances 0.000 description 2
- 238000005485 electric heating Methods 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000004503 fine granule Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
- B29C45/2737—Heating or cooling means therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
- B29C45/2737—Heating or cooling means therefor
- B29C2045/2743—Electrical heating element constructions
Landscapes
- 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
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.
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 |
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CN110039737A true CN110039737A (en) | 2019-07-23 |
CN110039737B CN110039737B (en) | 2024-04-09 |
Family
ID=67278503
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201910326002.2A Active CN110039737B (en) | 2019-04-23 | 2019-04-23 | Hot runner miniature single-end heating pipe structure and manufacturing method thereof |
Country Status (1)
Country | Link |
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CN (1) | CN110039737B (en) |
Citations (9)
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 |
-
2019
- 2019-04-23 CN CN201910326002.2A patent/CN110039737B/en active Active
Patent Citations (9)
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 |
Also Published As
Publication number | Publication date |
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CN110039737B (en) | 2024-04-09 |
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