CN101708652B - Heating brick of plastic-adsorption machine - Google Patents
Heating brick of plastic-adsorption machine Download PDFInfo
- Publication number
- CN101708652B CN101708652B CN2009101848445A CN200910184844A CN101708652B CN 101708652 B CN101708652 B CN 101708652B CN 2009101848445 A CN2009101848445 A CN 2009101848445A CN 200910184844 A CN200910184844 A CN 200910184844A CN 101708652 B CN101708652 B CN 101708652B
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- Prior art keywords
- heating
- solenoid
- brick
- plastic
- adsorption machine
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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.)
- Expired - Fee Related
Links
- 238000010438 heat treatment Methods 0.000 title claims abstract description 95
- 239000011449 brick Substances 0.000 title claims abstract description 36
- 238000001179 sorption measurement Methods 0.000 title claims abstract description 13
- 230000005674 electromagnetic induction Effects 0.000 claims abstract description 13
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 8
- 229910000531 Co alloy Inorganic materials 0.000 claims description 4
- 229910001021 Ferroalloy Inorganic materials 0.000 claims description 4
- 229910000990 Ni alloy Inorganic materials 0.000 claims description 4
- 239000010941 cobalt Substances 0.000 claims description 4
- 229910017052 cobalt Inorganic materials 0.000 claims description 4
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 4
- 239000011810 insulating material Substances 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 229910052759 nickel Inorganic materials 0.000 claims description 4
- 239000004922 lacquer Substances 0.000 claims description 3
- 239000011214 refractory ceramic Substances 0.000 claims description 3
- 230000005855 radiation Effects 0.000 abstract description 3
- 238000012856 packing Methods 0.000 description 13
- 238000005516 engineering process Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 238000005070 sampling Methods 0.000 description 3
- 229920001169 thermoplastic Polymers 0.000 description 3
- 229920001342 Bakelite® Polymers 0.000 description 2
- 239000004637 bakelite Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 239000004416 thermosoftening plastic Substances 0.000 description 2
- -1 APTT Substances 0.000 description 1
- 235000012364 Peperomia pellucida Nutrition 0.000 description 1
- 240000007711 Peperomia pellucida Species 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006880 cross-coupling reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 229920005644 polyethylene terephthalate glycol copolymer Polymers 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
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- General Induction Heating (AREA)
Abstract
The invention relates to a heating brick of a plastic-adsorption machine, which is characterized in that: a structure form of electro-magnetic induction heating is adopted, comprising a solenoid coil which takes high-frequency power supply as working power supply and is used for generating high-frequency alternating magnetic field, and a heating plate which is arranged in the high-frequency alternating magnetic field generated by the solenoid coil and generates heat by the electro-magnetic induction; aiming at the specific application of the heating brick in the plastic-adsorption machine, the heating part is heated by eddy current by utilizing the electro-magnetic induction principle, the heating mode is directional, so as to effectively inhibit the non-effective heat radiation to the circumferential space, and the heating efficiency of the heating brick is improved by more than 20 percent compared with the resistance-type heating brick of the plastic-adsorption machine.
Description
Technical field
The present invention relates to be applied in the heater in the Packing Machine, the heating brick of plastic-adsorption machine of more specifically saying so.
Background technology
Plastics sucking moulding is claimed thermoplastic shaping again; Packing Machine is a kind of widely used plastic processing machinery; Thermoplastic plastic sheet materials such as the PVC after utilizing pull of vacuum that vavuum pump produces with thermoplastic, PET, PETG, APTT, PP, PE, PS become the parts of different shape through the mould plastic uptake, like vacuum (-tight) housing, plastic-sucking tray, cell-shell etc.
Heater in the Packing Machine is the heating brick of arranging by the mode of array according to the flat shape of heated object; Heating brick in the prior art is to be heater members with the resistance wire; Resistance wire as heater members is wrapped in the heating brick, and the problem that this electrical heating form exists is: mode of heating astaticism, heat be space radiation towards periphery on heating brick; Not only energy utilization rate is low, and the environment temperature of workshop is very high; In addition, this resistance wire formula heating brick since resistance wire easily because of high temperature ageing blows, only about half a year, bring great maintenance workload thus its service life.
Summary of the invention
The present invention is for avoiding above-mentioned existing in prior technology weak point, a kind of heating brick of plastic-adsorption machine is provided, in the hope of reducing energy loss, improving energy utilization rate, increase the service life, reduce maintenance workload.
Technical solution problem of the present invention adopts following technical scheme:
Heating brick of plastic-adsorption machine of the present invention, its design feature are the version that adopts electromagnetic induction heating, have:
One be working power, be used to produce the solenoid of high-frequency alternating magnetic field with the high frequency electric source;
One place high-frequency alternating magnetic field that solenoid produces, produce the heating board of heat with electromagnetic induction.
The design feature of heating brick of plastic-adsorption machine of the present invention also is:
Said solenoid is that the multiply high temperature lacquer envelope curve coiling with the parallel connection setting forms.
Setting is half open form housing of material with the refractory ceramics; Said heating board places on said half open form housing uncovered; Constitute cavity volume with said half open form housing and heating board; Solenoid places in the said cavity volume, between said solenoid and cavity volume sidewall and between said solenoid and heating board, is not provided with high temperature insulating material.
The center of said electromagnetic induction coil is provided with non-conductive magnetic core.
Bottom centre position at said heating board is provided with the temperature-sensitive thermocouple, at the center of said non-conductive magnetic core and the bottom of half open form housing be provided with the fairlead of perforation, the fairlead of temperature-sensitive thermocouple is drawn in said fairlead.
Said heating board is to be material with nickel, nickel alloy, iron, ferroalloy, cobalt or cobalt alloy.
Said heating brick monnolithic case is set to cuboid, and said heating board is the top board of said cuboid.
Compared with present technology, beneficial effect of the present invention is embodied in:
1, the present invention is directed to application-specific in Packing Machine; Utilize electromagnetic induction principle, directly with the eddy current heating, its mode of heating has directionality to heat generating components; Effectively suppressed the invalid heat energy radiation in space towards periphery, improved more than 20% than the heating efficiency of Packing Machine resistance-type heating brick;
2, thermal inertia of the present invention is far smaller than the resistance-type heating brick in the prior art, can bring following effect thus:
A, further combine pid algorithm to carry out temperature control can to make the present invention further improve electrothermal calefactive rate; Shorten the heat time heating time of equipment effectively; Cold machine can reach stable set temperature value in about in advance 1～2 hour than the resistance-type heating brick heat time heating time, had improved production efficiency greatly;
B, because of thermal inertia is little, can improve the accuracy of temperature control of Packing Machine more easily;
C, to the application mode of the discontinuous heating of Packing Machine, the less thermal inertia of the present invention makes it allow in processing at interval, to have a power failure, restart; Heating power time constant resistance-type heating brick bigger than normal then need keep heated condition always, also so has greatly increased the Packing Machine energy consumption.
3, the present invention's solenoid is set to the multiply form, can effectively reduce kelvin effect, and is beneficial to the shaping operation of coil.
4, being equipped with between the present invention's half open form housing and the heating board makes it not only reach the insulation purpose but also be convenient to dismounting.
5, the present invention is provided with non-conductive magnetic core on the center of electromagnetic induction coil, is used to regulate inductance value and obtains maximum heating power and the required best inductance value of heating efficiency to guarantee circuit.
6, the present invention is arranged on the bottom of heating board with the temperature-sensitive thermocouple, and accurately temperature-sensitive has kept compact structure again.
7, to be material with nickel, nickel alloy, iron, ferroalloy, cobalt or cobalt alloy induct than maelstrom power and have good thermal conductivity guaranteeing heating board of the present invention.
8, heating brick monnolithic case of the present invention is set to cuboid, and this shape extremely helps the cutting with shape of arranging of array in the heating system.
9, the present invention is owing to no longer adopt the resistance wire heating that is prone to consumption, and prolong its service life greatly, greatly reduced maintenance workload, reduced use cost.
10, in the Packing Machine heating system that makes up with the present invention; Each piece heating brick can carry out temperature sampling independently and implement independently controlling based on the PWM pulsewidth modulation and the temperature of PID technology; Make heating system extremely be convenient to adapt to the change in shape of processed object, be aided with control and software programming technique after can greatly improve production efficiency and product quality.Temperature range is≤650 ℃;
11, the present invention can be suitable for the specification requirement of each different workpiece to be machined easily through the programming of temperature control scheme is carried out in the temperature field of heating system.
Description of drawings
Fig. 1 a is a structural representation of the present invention.
Fig. 1 b is an A-A cutaway view of the present invention.
Fig. 2 is for to make up the heating system circuit diagram with the present invention.
Fig. 3 is for making up the heating brick power supply circuits block diagram of heating system with the present invention.
Label among the figure: 1 solenoid, 2 bakelite skeletons, 3 heating boards, 4 housings, 5 fixing threaded holes, 6 fairleads, 7 high temperature insulating materials, 8 temperature-sensitive thermocouples, 9 non-conductive magnetic cores, 10 fairleads.
Below pass through the specific embodiment, and combine accompanying drawing that the present invention is described further.
The specific embodiment
Referring to Fig. 1, Fig. 2, present embodiment adopts the version of electromagnetic induction heating, and to be provided with the high frequency electric source be working power, be used to produce the solenoid 1 of high-frequency alternating magnetic field; Setting places high-frequency alternating magnetic field that solenoid 1 produced, produces the heating board 3 of heat with electromagnetic induction.
In the practical implementation, the corresponding structure form also includes:
Solenoid 1 is that the multiply high temperature lacquer envelope curve with the parallel connection setting is wound on the bakelite skeleton 2.
Setting is half open form housing 4 of material with the refractory ceramics; Heating board 3 places on half open form housing 4 uncovered; Constitute cavity volume with half open form housing 4 and heating board 3; Solenoid 1 places in the cavity volume, between solenoid 1 and the cavity volume sidewall and between solenoid 1 and heating board 3 high temperature insulating material 7 is being set respectively.
In order to mate with corresponding circuit, the center of electromagnetic induction coil is provided with non-conductive magnetic core 9, is used to regulate inductance to optimum value.
Bottom centre position at heating board 3 is provided with temperature-sensitive thermocouple 8; At the center of non-conductive magnetic core 9 and the bottom of half open form housing 4 be provided with the fairlead 6 of perforation; The fairlead 10 of temperature-sensitive thermocouple 8 is drawn in fairlead 6; In the bottom of heating board 3, fixing threaded hole 5 is set so that each heating board 3 location in heating system.
The heating brick monnolithic case is set to cuboid, and heating board 3 is the top board of cuboid, and this shape extremely helps the cutting with shape of arranging of array in the heating system, also is easy on existing Packing Machine, resistance wire formula heating brick directly replaced.
What Fig. 2 provided is each piece heating brick role in the whole heating system, whole heating system maybe by 150 (10 * 15) or more (the array formation that the heating of m * n) brick is formed, m wherein is a line number, n is a columns.
What Fig. 3 provided is each piece heating brick power supply accordingly of the present invention, frequency conversion and control circuit.
In a Packing Machine, have the heating brick that surpasses more than 120 sometimes and move simultaneously, the present invention implements man-to-man independent temperature to every heating brick when making up heating system, comprise separately independently temperature detection and independently PWM temperature control separately.
In the practical implementation; Frequency conversion of over one hundred road and pwm circuit have constituted the network of a complicacy; Cross-couplings between each road control signal and the interference source; Packing Machine is in the ten minutes complex electromagnetic environments, in the interference environment of this sternness, will makes Packing Machine and corresponding microcomputer thereof be in normal operating conditions always, must solve jamproof problem.In the practical implementation of the present invention, adopting following measure aspect the realization electromagnetic type heating system antijamming capability:
1, in the system+the 5V power supply adopts multiple-stage filtering to handle, adopts integrated voltage adjuster;
2, the input of power supply, output line all adopt twisted-pair feeder in the system, and the Low ESR bonding is to suppress to touch altogether interference;
3, each road control circuit adopts independently modular structure;
4, adopt the program margining amplitude technique, continuous sampling five times, much larger than other amplitudes of sampling several times, this value is given up as if certain sample magnitude;
5, warning clock WDT is set, if the program cycle scanning time of implementation has surpassed the stipulated time, the indication program gets into endless loop, reports to the police immediately;
6, data wire and impulse line separate cabling;
7, adopt interchange ground wire separately, direct current ground wire, simulation ground, digitally and annular ground wire;
8, increase resistance capaciting absorpting circuit and fly-wheel diode in the heating brick coil sides.
Claims (4)
1. heating brick of plastic-adsorption machine is characterized in that adopting the version of electromagnetic induction heating, has:
One be working power, be used to produce the solenoid (1) of high-frequency alternating magnetic field with the high frequency electric source;
One place high-frequency alternating magnetic field that solenoid (1) produced, produce the heating board (3) of heat with electromagnetic induction;
Setting is half open form housing (4) of material with the refractory ceramics; Said heating board (3) places on said half open form housing (4) uncovered; Constitute cavity volume with said half open form housing (4) and heating board (3); Solenoid (1) places in the said cavity volume, is being respectively arranged with high temperature insulating material between said solenoid (1) and the cavity volume sidewall and between said solenoid (1) and heating board (3);
The center of said solenoid (1) is provided with non-conductive magnetic core (9);
Bottom centre position at said heating board (3) is provided with temperature-sensitive thermocouple (8); At the center of said non-conductive magnetic core (9) and the bottom of half open form housing (4) be provided with the fairlead (6) of perforation, the fairlead (10) of temperature-sensitive thermocouple (8) is drawn in said fairlead (6).
2. heating brick of plastic-adsorption machine according to claim 1 is characterized in that said solenoid (1) is that multiply high temperature lacquer envelope curve coiling with the parallel connection setting forms.
3. heating brick of plastic-adsorption machine according to claim 1 is characterized in that said heating board (3) is is material with nickel, nickel alloy, iron, ferroalloy, cobalt or cobalt alloy.
4. heating brick of plastic-adsorption machine according to claim 1 is characterized in that said heating brick monnolithic case is set to cuboid, and said heating board (3) is the top board of said cuboid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101848445A CN101708652B (en) | 2009-10-16 | 2009-10-16 | Heating brick of plastic-adsorption machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101848445A CN101708652B (en) | 2009-10-16 | 2009-10-16 | Heating brick of plastic-adsorption machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101708652A CN101708652A (en) | 2010-05-19 |
| CN101708652B true CN101708652B (en) | 2012-01-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101848445A Expired - Fee Related CN101708652B (en) | 2009-10-16 | 2009-10-16 | Heating brick of plastic-adsorption machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101708652B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200971391Y (en) * | 2006-11-16 | 2007-11-07 | 洛阳索瑞森电子科技有限责任公司 | Loaded electromagnetic induction heating device for plastic stretch-spinning machine material cylinder |
| CN201300524Y (en) * | 2008-08-06 | 2009-09-02 | 李中林 | A high-frequency heating device for injection molding machine |
| CN201552748U (en) * | 2009-10-16 | 2010-08-18 | 安徽鑫阳能源开发有限公司 | Heating brick of plastic-suction machine |
-
2009
- 2009-10-16 CN CN2009101848445A patent/CN101708652B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200971391Y (en) * | 2006-11-16 | 2007-11-07 | 洛阳索瑞森电子科技有限责任公司 | Loaded electromagnetic induction heating device for plastic stretch-spinning machine material cylinder |
| CN201300524Y (en) * | 2008-08-06 | 2009-09-02 | 李中林 | A high-frequency heating device for injection molding machine |
| CN201552748U (en) * | 2009-10-16 | 2010-08-18 | 安徽鑫阳能源开发有限公司 | Heating brick of plastic-suction machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101708652A (en) | 2010-05-19 |
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Inventor after: Du Xianping Inventor after: Hua Qingmei Inventor after: Yu Shijie Inventor before: Du Xianping Inventor before: Hua Qingmei Inventor before: Zhao Yan Inventor before: Zhang Peishan Inventor before: Yu Shijie |
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Free format text: CORRECT: INVENTOR; FROM: DU XIANPING HUA QINGMEI ZHAO YAN ZHANG PEISHAN YU SHIJIE TO: DU XIANPING HUA QINGMEI YU SHIJIE |
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Effective date of registration: 20160824 Address after: High tech Zone Lake Road Hefei Anhui province 231283 City No. 888 Patentee after: KOCHEM ELECTRICAL APPLIANCES CO., LTD. Address before: 230055, F9, five, science Avenue, hi tech Industrial Zone, Anhui, Hefei, 106 Patentee before: Anhui Xinyang Energy Development Co., Ltd. |
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Denomination of invention: Heating brick of plastic-adsorption machine Effective date of registration: 20170818 Granted publication date: 20120125 Pledgee: Anhui Dexin financing Company limited by guarantee Pledgor: KOCHEM ELECTRICAL APPLIANCES CO., LTD. Registration number: 2017340000160 |
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Date of cancellation: 20180504 Granted publication date: 20120125 Pledgee: Anhui Dexin financing Company limited by guarantee Pledgor: KOCHEM ELECTRICAL APPLIANCES CO., LTD. Registration number: 2017340000160 |
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Denomination of invention: Heating brick of plastic-adsorption machine Effective date of registration: 20180514 Granted publication date: 20120125 Pledgee: Anhui Dexin financing Company limited by guarantee Pledgor: KOCHEM ELECTRICAL APPLIANCES CO., LTD. Registration number: 2018340000152 |
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Date of cancellation: 20190603 Granted publication date: 20120125 Pledgee: Anhui Dexin financing Company limited by guarantee Pledgor: KOCHEM ELECTRICAL APPLIANCES CO., LTD. Registration number: 2018340000152 |
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