CN2186146Y - Heating ring of heating film for plastic processing machine - Google Patents
Heating ring of heating film for plastic processing machine Download PDFInfo
- Publication number
- CN2186146Y CN2186146Y CN 94201655 CN94201655U CN2186146Y CN 2186146 Y CN2186146 Y CN 2186146Y CN 94201655 CN94201655 CN 94201655 CN 94201655 U CN94201655 U CN 94201655U CN 2186146 Y CN2186146 Y CN 2186146Y
- Authority
- CN
- China
- Prior art keywords
- heat
- electrothermal film
- insulation material
- plastic processing
- heating
- 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.)
- Expired - Fee Related
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- Extrusion Moulding Of Plastics Or The Like (AREA)
- Resistance Heating (AREA)
Abstract
The utility model relates to a heating ring of an electric heating film for the plastic processing machines. A heating element is composed of a plurality of plate-shaped electric heating films 7. Heat conducting medium 3 is arranged between the electric heating films 7 and an extruding barrel 2. The outer side of the electric heating films 7 is wrapped with a layer of heat insulating materials 8. The power supply required by the electric heating films 7 is led in by an electrode lead 5 made of heat resisting good conductor fabrics. The heating ring can overcome the shortcomings that the heating ring of the traditional resistance wire has high energy consumption and short service life. The utility model can save electrical energy by more than 60% and can extend the service life by more than 3 times.
Description
The utility model belongs to the plastic processing machinery field of electric heating, and more particularly, the utility model is the parts that are used for the electric heating conversion on the plastic processing machinery.
Used electrothermal conversioning part is resistance wire and twines the heating collar of making on the existing plastic processing machinery, application number is 91213681.2 and 91221501.1 Chinese utility model patent, this heating collar is all done improvement, but do not broken away from the conventional art of resistance wire yet.The heating collar of making of resistance wire exists short critical defect of power consumption height, service life.Cause the reason of this phenomenon to be: one. resistance wire produces induction reactance when adding AC field, a part of electric energy is lost as reactive power; Two. heating area is little, the surface thermal load height, make this heating collar be difficult to adopt good insulation measure, otherwise can be because of the overheated accelerated oxidation of resistance wire, influence its service life, and do not add the insulation measure, just cause a large amount of heat energy to lose at environment space, not only cause energy waste, also worsen production environment; Three. the insulating materials thermal conductivity factor of resistance wire is low, also is to cause energy to consume high reason, and this heating collar adopts mica or quartz (9122501.1) as insulating materials, and the capacity of heat transmission of these two kinds of materials all is very poor; Four. because the heating area of heater element resistance wire is little, surface thermal load is too high, causes resistance wire very fast oxidation in air, opens circuit, particularly power supply is introduced part, resistance wire is exposed in the air fully, more is easy to generate this situation, so heating collar is short service life.
The purpose of this utility model is: a kind of electrothermal film heating collar is provided, adopts brand-new structure and introduce the part new material, reach energy-saving and cost-reducing, improve working conditions, prolong the heating collar purpose in service life.
The purpose of this utility model is achieved in that a kind of electrothermal film heating collar of structure, partly forms by extruding tube, heat-conducting medium, electrothermal film, electrode outlet line, briquetting, insulation material, metal shell etc.Described electrothermal film is coated on by the tin oxide Electric radiant Heating Film on the face of heat-resistant insulation material and forms, and described electrode outlet line is pressed in the end of described electrothermal film by briquetting; Described heat-conducting medium inner surface pastes mutually with the described tube outer surface of extruding; Described heat-conducting medium outer surface pastes mutually with the uncoated surface of described heat-resistant insulation material; Described insulation material surrounds the outer surface of described electrothermal film; Described metal shell surrounds described insulation material; Described heat-resistant insulation material is shaped as tabular, i.e. tabular or bent plate shape, the material of selecting for use are that the capacity of heat transmission is than mica and quartzy high heat-resistant insulation material, such as pottery, quartz glass, stoneware, devitrified glass etc.; Described electrode outlet line is made of good conductor fabric heat-resisting, oxidation resistant electricity; Described heat-conducting medium selection is metal, alloy, graphite or other hot good conductor.
Aforesaid utility model, adopted electrothermal film to replace traditional resistance wire as heater element, because surface area greatly increases, surface thermal load is greatly descended, and the resistance to elevated temperatures of Electric radiant Heating Film own is strong, make that adding heat-insulation layer at heater element can implement, stoped heat to scatter and disappear to environment space; Owing to increased heat-conducting medium at electrothermal film between the tube with extruding, and insulating materials adopted thermal conductivity material preferably, and the heat that electrothermal film is produced can be apace to extruding a tube transmission; The employing of electrothermal film has been avoided formation induction reactance and has been caused reactive power loss; Because the excellent conductive performance of electrode outlet line material, and heat resistance, be difficult for forming overheated and cause quick oxidation, simultaneously also because the heater element surface thermal load descends, make the heating circle greatly prolong service life.
Through test, adopt the utility model, can save energy more than 60%, prolong heating collar service life more than 3 times.
This utility model is particularly useful on the plastics machineries such as injection machine, extruding machine, blow moulding machine, Packing Machine, granulator.
Below in conjunction with drawings and Examples the utility model is further specified.
Accompanying drawing 1 is the integrally-built stereogram of expression the utility model;
Accompanying drawing 2 is the three-dimensional structure diagram of heater element electrothermal film.
In the accompanying drawing 1, the 1 heated raw material of expression and direct of travel thereof; The material extruded tube of 2 expression plastics machineries; 3 expression heat-conducting mediums, its effect is that the heat that electrothermal film produces is delivered on the extruded tube fast, can use metal, alloy, graphite or other hot good conductor material to make; 4 expression insulation material protecting sheathings; 5 expression electrode outlet lines, its effect is that power supply is incorporated on the electrothermal film, its selection comprises carbon fibre fabric, metal or alloy fabric etc. for the good heat proof material fabric of conduction; 6 expression briquettings, its effect is that electrode outlet line is pressed on the electrothermal film; 7 expression electrothermal films, its structure as shown in Figure 2, it is coated on the tin oxide Electric radiant Heating Film on the heat-resistant insulation material and forms, in the utility model, the tin oxide Electric radiant Heating Film coating of this electrothermal film insulate towards heat-insulation layer and by insulation material; 8 expression insulation materials, its major function are to prevent that heat runs off, and also rises absolutely Electric radiant Heating Film simultaneously Edge effect, selection range comprise rock wool, asbestos, aluminium silicate wool, calcium silicates, FBT and other insulation material, and it is fixed that insulation layer thickness comes according to the power density of electrothermal film, and 10 to 40 millimeters are not waited, can be thicker yet.
In the accompanying drawing 2,9 expression heat-resistant insulation materials, its effect comprises the support Electric radiant Heating Film, and with insulation between Electric radiant Heating Film and the heat-conducting medium 3, its selection is that thermal conductivity is than mica and quartzy high heat-resistant insulation material, such as pottery, quartz glass, stoneware, devitrified glass etc.; 10 expression tin oxide Electric radiant Heating Film.
Be concrete enforcement of an example of the present utility model below: plastic processing machinery selects for use moral to produce four ounces of injection machines of BOY board, and the electrothermal film heating collar adopts following technical scheme: the external diameter of extruding tube 2 is 95 millimeters; Heat-conducting medium 3 adopts cast aluminium; Lagging casing 4 adopts galvanized iron sheet; Electrode outlet line 5 adopts the nickel chromium triangle steel mesh; Briquetting 6 is selected heat-stable ceramic for use; Electrothermal film 7 is the devitrified glasses that scribble the tin oxide Electric radiant Heating Film; Insulation material 8 is selected aluminium silicate wool for use, and thickness is 20 millimeters.Power designs is every group of heating collar 2000VA, and heating area is 510 square centimeters.After tested, the heating collar of pressing this scheme making under the condition of injection moulding like products, is saved electric energy 62.3% than former heating collar.
When implementing the utility model, can select multiple concrete scheme for use.The material of some element, shape, size and connecting mode thereof are not unalterable.Selection as heat-conducting medium 3, insulation material 8, insulating materials 9, electrode outlet line 5 can have multiple choices; The concrete shape and size of heat-conducting medium 3, electrothermal film 7 also can have many kinds to change.
Claims (4)
1, a kind of plastic processing machinery electrothermal film heating collar, comprise and extrude tube (2), it is characterized in that: also comprise heat-conducting medium (3), electrothermal film (7), electrode outlet line (5), briquetting (6), insulation material (8), metal shell (4), described electrothermal film (7) is coated on by tin oxide Electric radiant Heating Film (10) on the face of heat-resistant insulation material (9) and forms; Described electrode outlet line (5) is pressed in the end of described electrothermal film (7) by briquetting (6); Described heat-conducting medium (3) inner surface pastes mutually with described tube (2) outer surface of extruding; Described heat-conducting medium (3) outer surface pastes mutually with the no coat side of described heat-resistant insulation material (9); Described insulation material (8) surrounds the outer surface of described electrothermal film (7); Described metal shell (4) surrounds described insulation material (8).
2, plastic processing machinery as claimed in claim 1 electrothermal film heating collar, it is characterized in that: described heat-resistant insulation material (9) is shaped as tabular, material is that the capacity of heat transmission is than mica and quartzy high heat-resistant insulation material, such as pottery, quartz glass, stoneware, devitrified glass etc.
3, plastic processing machinery as claimed in claim 1 electrothermal film heating collar is characterized in that: described electrode outlet line (5) is made of good conductor fabric heat-resisting, oxidation resistant electricity.
4, plastic processing machinery as claimed in claim 1 electrothermal film heating collar is characterized in that: described heat-conducting medium (3) selection is metal, alloy, graphite or other hot good conductor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94201655 CN2186146Y (en) | 1994-01-18 | 1994-01-18 | Heating ring of heating film for plastic processing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94201655 CN2186146Y (en) | 1994-01-18 | 1994-01-18 | Heating ring of heating film for plastic processing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2186146Y true CN2186146Y (en) | 1994-12-28 |
Family
ID=33821633
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 94201655 Expired - Fee Related CN2186146Y (en) | 1994-01-18 | 1994-01-18 | Heating ring of heating film for plastic processing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2186146Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101330778B (en) * | 2007-12-05 | 2012-06-20 | 罗日良 | Environment protection high-efficiency energy-saving heating ring for TMD electric heating membrane |
-
1994
- 1994-01-18 CN CN 94201655 patent/CN2186146Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101330778B (en) * | 2007-12-05 | 2012-06-20 | 罗日良 | Environment protection high-efficiency energy-saving heating ring for TMD electric heating membrane |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |