CN102875008B - Medium-frequency induction heating machine for glass molds - Google Patents
Medium-frequency induction heating machine for glass molds Download PDFInfo
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- CN102875008B CN102875008B CN201210335141.XA CN201210335141A CN102875008B CN 102875008 B CN102875008 B CN 102875008B CN 201210335141 A CN201210335141 A CN 201210335141A CN 102875008 B CN102875008 B CN 102875008B
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Abstract
The invention discloses a medium-frequency induction heating machine for glass molds, and belongs to the technical field of auxiliary facilities for glass mold manufacture. The medium-frequency induction heating machine comprises a frame, wherein the top end of the frame forms a machinery platform; the lower part of the machinery platform forms a water circulation cooling mechanism cavity; a mold mounting base is arranged on the surface of the machinery platform; a lifting mechanism of a medium-frequency induction heating box is fixed on the machinery platform; the medium-frequency induction heating box is erected on the lifting mechanism of the medium-frequency induction heating box; a coil of the medium-frequency induction heating box is positioned outside the medium-frequency induction heating box; and the coil is formed into a coil pipe shape. The medium-frequency induction heating machine is characterized in that the lifting mechanism of the medium-frequency induction heating box comprises a lifting rack, a motor, a sliding table, a screw, a fork foot rack, a first fork foot, a second fork foot and an induction box layer board, wherein the lifting rack is provided with a rack cavity. The medium-frequency induction heating machine has the advantages that the amount of power devices is reduced, the energy saving is embodied, and the movement links are reduced significantly, so that convenience is brought for improving the operation efficiency.
Description
Technical field
the invention belongs to the technical field of auxiliary facilities of glass mold manufacture use, be specifically related to a kind of glass mold Frequency Induction Heating machine.
Background technology
aforesaid Frequency Induction Heating is with the form of electromagnetic eddy generation heat, the mould of being made as materials such as carbon steel (industry also claims die steel), copper alloy and stainless steels by magnetically permeable material to be heated.As the reason known to mold manufacturing industry circle, due to glass mold under arms in process in use die cavity directly frequently contact with the glass melt of molten, be subject to the chemical erosion of glass melt, the effect of wearing and tearing and the alternating thermal stress of catching a cold, simultaneously due to the long-term hot environment in 500-800 DEG C of left and right, therefore the die cavity of glass mold there will be such as fatigue damage, oxidation and corrosion damage, the situation that wear damage and/or shock damage, etc., thereby affect its work-ing life, be embodied in advance and scrap, increase the cost of glasswork manufacturing enterprise, and cause the wasting of resources.
at present, industry is on the one hand to try to explore physical and chemical performance more suitable and use the glass mold material increasing the service life, the main technique means of cavity surface being carried out to intensive treatment of utilizing on the other hand, for example, to die cavity surfacing nickel base alloy layer, and cavity surface intensive treatment technology also can be applicable to the reparation to mould.
the aforesaid mode to die cavity surfacing wear-resistant alloy layer roughly has following three kinds, and the one, oxyacetylene welding; The 2nd, plasma spray; The 3rd, supersonic speed surfacing, etc.But, no matter utilize which kind of sub-surfacing mode, all need mould to carry out preheating, for example implement surfacing when 400 DEG C of left and right because only reach reasonable temperature at mould, could ensure that spray-welding coating is the good combination effect between aforesaid wear-resistant alloy layer and die cavity.
the method of in prior art, glass mold being carried out before surfacing preheating mainly contains two kinds: the one, adopt welding gun preheating; The 2nd, adopt electric furnace preheating.Because welding gun preheating is to utilize combustion gases combustion system to mold heated, therefore manipulate difficulty large, and be difficult to make mould to obtain uniform temperature, thereby affect surfacing quality; Because the heating by electric cooker one side time is tediously long, be not enough to equally on the other hand ensure that mould obtains uniform temperature, thereby affect equally surfacing quality, and waste energy because heat-up time is tediously long.
" mold heating device " that Chinese patent Granted publication CN201039510Y recommends can make up aforesaid deficiency, because this patent scheme utilizes heat that electromagnetic eddy produces to being heated by the magnetically permeable material mould that die steel is made as the aforementioned, and this patent scheme objectively can embody Instructions Page 2 the 23rd and walks to the technique effect that page 3 the 7th row is concluded.
but there is following shortcoming in the technical scheme that above-mentioned CN201039510Y recommends: owing to needing to use advance and retreat oil cylinder and hoist cylinder in to the process of mould and die preheating, first make the mould being preheated enter or exit the lower position corresponding to the heating chamber of frequency heating device in tangential movement mode by advance and retreat oil cylinder, then make the mould being preheated be lifted in aforesaid heating chamber in the mode moving up and down or exit heating chamber by hoist cylinder, thereby not only make the quantity of actuating unit increase, and be unfavorable for save energy, because advance and retreat, the work of hoist cylinder need rely on power supply to support. in addition, due to every preheating once, need to follow the prescribed order by the mould left and right translation being preheated and oscilaltion once, therefore action link is many, affect operating efficiency, be not enough to improve the output to mould and die preheating in the unit time, cause follow-up surfacing work to have the anxiety of slowing down.
applicant thinks, the reason of above-mentioned shortcoming is: in to mold heated process, make mould in dynamically making Frequency Induction Heating case due to the static state, that is to say owing to lacking rational so that Frequency Induction Heating case and do with respect to mould due to the Frequency Induction Heating case hoisting appliance of lifting.
in view of the shortcoming that above-mentioned prior art exists, the applicant has carried out rational modification, has finally formed technical scheme described below, and has carried out simulation test in the applicant plant area holding in close confidence under state, and it is practicable that result proves.
Summary of the invention
task of the present invention is to provide a kind of contributing to make pre-warmed glass mold enter or exit heated condition and use and reduce the number of actuating unit and embody save energy and be conducive to ensure that glass mold enters fast or exits heated condition and use remarkable minimizing campaign link and improve the glass mold Frequency Induction Heating machine of operating efficiency with the single up-down mode of Frequency Induction Heating case.
task of the present invention completes like this, a kind of glass mold Frequency Induction Heating machine, comprises a frame, and the top of this frame forms a board, and the below of board is configured to water cycle cooling body chamber, and be provided with one on the surface of board for settling the mould placement seat of glass mold, one Frequency Induction Heating case hoisting appliance, this Frequency Induction Heating case hoisting appliance is fixed on described board, one Frequency Induction Heating case, this Frequency Induction Heating case is mounted on described Frequency Induction Heating case hoisting appliance, the lifting with the lifting of Frequency Induction Heating case hoisting appliance, and the coil of this Frequency Induction Heating case is positioned at outside the casing of Frequency Induction Heating case, and this coil is configured to the coil-like structure that has a mould and probe into chamber in the repeated flex mode of a plurality of semicircles or a plurality of full circle, mould probes into the top of chamber corresponding to described mould placement seat, be characterised in that described Frequency Induction Heating case hoisting appliance comprises the lifting support with support chamber, motor, slide unit, screw rod, fork foot rest, first, the second fork pin and induction-box supporting plate, lifting support is fixed on the surface of described board and is positioned at a side of the length direction of board, face on the wall body of described Frequency Induction Heating case one side and towards a side in support chamber and be fixed with a pair of longitudinal parallel guide rail each other at this lifting support, motor is fixed on the top of lifting support by motor cabinet, a wherein guide rail in one end of slide unit and pair of guide rails is slidably matched, and another root guide rail in the other end and pair of guide rails is slidably matched, the middle part of slide unit is equipped with a screw rod attaching nut, one end of screw rod is connected with the electric machine shaft driving of motor, and the other end of screw rod matches with described screw rod attaching nut, fork foot rest and slide unit are fixed, and the two ends of this fork foot rest are respectively bent with a fork foot rest arm, fork foot rest arm is slidably matched with the fork foot rest arm slot to make way being opened on lifting support, and be stretched over outside the described support chamber of lifting support through fork foot rest arm slot to make way in the direction towards described Frequency Induction Heating case, the first fork pin is fixed on one of them the fork foot rest arm in a pair of fork foot rest arm, and the second fork pin is fixed on another fork foot rest arm in a pair of fork foot rest arm, and corresponding with the first fork pin, one end of induction-box supporting plate and the first fork pin are fixed, the other end and the second fork pin are fixed, described Frequency Induction Heating case is fixed on induction-box supporting plate.
the technique effect that technical scheme provided by the invention has with respect to prior art is: owing to Frequency Induction Heating case being arranged on Frequency Induction Heating case hoisting appliance, thereby the static state of Frequency Induction Heating case in prior art is become dynamically, and make mould placement seat dynamically become static state in prior art, thereby only need meet glass mold by the lifting of Frequency Induction Heating case and enter or exit heated condition, reduce the quantity of power set, embodied save energy, and motion link significantly reduces and is conducive to improve operating efficiency.
Brief description of the drawings
fig. 1 is embodiments of the invention structure iron.
Embodiment
for the auditor that the makes Patent Office especially public can be expressly understood technical spirit of the present invention and beneficial effect more, applicant elaborates the mode with embodiment below, but be not all the restriction to the present invention program to the description of embodiment, any done according to the present invention design only for pro forma but not substantial equivalent transformation all should be considered as technical scheme category of the present invention.
refer to Fig. 1, provide a frame 1, the geometrical shape of this frame 1 is not subject to illustrated restriction, taking the frame 1 of the present embodiment structure as example, form the board 11 of i.e. calm (smooth) that have a deck plate structure in the upper end of this frame 1, the surface that is board 11 on this board 11 is fixed with a mould placement seat 111, in use, in the cavity of mould placement seat 111, place Refractory blocks 1111, Refractory blocks 1111 is refractory brick, and Refractory blocks 1111 is slightly to lean out the top of mould placement seat 111.For the ease of the public's understanding, applicant has also illustrated to need pre-warmed glass mold 6 to be placed in Refractory blocks 1111 by glass mold 6 in the drawings.The bottom of frame 1 forms and has water cycle cooling body chamber 12 in the bottom of board 11.
the Frequency Induction Heating case hoisting appliance 2 providing preferably but not the structure being definitely limited to is as follows: comprise lifting support 21, motor 22, slide unit 23, screw rod 24, fork foot rest 25, first, the second fork pin 26, 27 and induction-box supporting plate 28, lifting support 21 is fixed on the surface of board 11 and is positioned at a side of the length direction of board 11, this lifting support 21 has a support chamber 213, at lifting support 21 on the inwall of a wall body of Frequency Induction Heating case 3 one sides that also will describe below, this wall body is fixed with a pair of longitudinal parallel guide rail 211 each other towards a side in support chamber 213, and on this wall body, offer a pair of for making support chamber 213 and the extraneous longitudinal parallel fork foot rest arm slot to make way 212 each other communicating.Motor 22 is fixed on motor cabinet 221, and motor cabinet 221 is fixed on the top of lifting support 21, this motor 22, for having the AC servo motor of rotating function, is connected with electric control box 7 electrical controls that are provided in frame 1 one sides, that is to say that motor 22 is controlled by electric control box 7.The two ends of slide unit 23 and be respectively fixed with a guide rail slide block 232 corresponding to the position that is guide rail 211, guide rail slide block 232 is slidably matched with guide rail 211, and the middle part of slide unit 23 is equipped with a screw rod attaching nut 231.One end of screw rod 24 is that upper end is connected with the electric machine shaft driving of motor 22, match with described screw rod attaching nut 231 in middle part, and lower end is bearing in the bottom in the support chamber 213 of lifting support 21 rotationally, if the bottom in support chamber 213 does not exist base plate, the lower end of screw rod 24 is directly bearing on board 11 rotationally so.Certainly, screw rod 24 also can directly be coordinated with described screw rod attaching nut 231 by its lower end.Fork foot rest 25 use set screws 252 are fixing with slide unit 23, the each bending in two ends of this fork foot rest 25 and form and have a fork foot rest arm 251, that is to say, fork foot rest arm 251 has correspond to each other a pair of, one of them fork foot rest arm 251 in a pair of fork foot rest arm 251 is slidably matched and is stretched over outside support chamber 213 through fork foot rest arm slot to make way 212 with the wherein fork foot rest arm slot to make way 212 in aforesaid a pair of fork foot rest arm slot to make way 212, another fork foot rest arm 251 in a pair of fork foot rest arm 251 is slidably matched and is stretched over outside support chamber 213 through fork foot rest arm slot to make way 212 with another fork foot rest arm slot to make way 212 in a pair of fork foot rest arm slot to make way 212.The global shape of first, second fork pin 26,27 is all the L shaped of English alphabet, wherein: one of them the fork foot rest arm 251 in the first fork pin 26 use screws and a pair of fork foot rest arm 251 is fixing, and the second fork pin 27 is same fixing with another fork foot rest arm 251 in screw and a pair of fork foot rest arm 251.One end of induction-box supporting plate 28 and the first fork pin 26 are fixing, and the other end and the second fork pin 27 are fixing.The Frequency Induction Heating case 3 that will describe is below fixed on induction-box supporting plate 28.
in order to make slide unit 23 upwards and the stroke moving down control effectively, therefore the present invention program is respectively fixed with a signal picker 214 in the position of the above and below corresponding to a pair of leg boom 251 taking lifting support 21 as immobilization carrier, signal picker 214 is electrically connected by circuit and aforesaid electric control box 7, and signal picker 214 preferably uses travel switch (the present embodiment is), but also can use vernier switch, position approach switch, dry-reed tube or hall sensing element.
before above mentioned Frequency Induction Heating case 3 use dog screw 32 are fixed on this induction-box supporting plate 28, in the time that the motor shaft of motor 22 rotates to clockwise direction, drive screw rod 24 correspondingly to rotate, drive slide unit 23 to move up along pair of guide rails 211 by screw rod 24 by screw rod attaching nut 231, because induction-box supporting plate 28 is fixed on first, the second fork pin 26, on 27, again due to first, the second fork pin 26, 27 are fixed on fork foot rest 25, also because fork foot rest 25 is fixed on slide unit 23 and a pair of fork foot rest arm 251 of fork foot rest 25 is slidably matched with fork foot rest arm slot to make way 212, therefore in the time that slide unit 23 moves up, fork foot rest 25, first, the second fork pin 26, 27 and induction-box supporting plate 28 also move up simultaneously, finally carrying Frequency Induction Heating case 3 by induction-box supporting plate 28 moves up.In the time that the motor shaft of motor 22 rotates counterclockwise, the direction of motion of slide unit 23 is with aforementioned contrary, to bottom offset, until make Frequency Induction Heating case 3 drop to desired degree so.
aforesaid Frequency Induction Heating case 3 is connected with electric control box 7 electrical controls by circuit, the coil 31 of this Frequency Induction Heating case 3 is positioned at casing, the coil 31 that is to say Frequency Induction Heating case 3 is external placed type, and coil 31 is configured to the coil-like structure that has a mould and probe into chamber 312 with a plurality of semicircle repeated flex forms.In the present embodiment, by bent the middle part detour of coil 31 become to have shape identical with size and from top to bottom or claim four semicircular ring of aliging from bottom to top, the middle section of semicircular ring is aforesaid mould and probes into chamber 312, therefore the global shape of coil 31 is coil-like, one end of coil 31 is fixedly connected with the first conducting plates 314, the other end is fixedly connected with the second conducting plates 315, and first, second conducting plates 314,315 is electrically connected with Frequency Induction Heating case 3.Preferred scheme also can arrange an insulating barrier 316 between the two ends of coil 31.
according to professional general knowledge, illustrated glass mold 6 is the half module (a secondary mould is constituted by a pair of half module) in a secondary mould, thereby shows that the mould of aforementioned shapes probes into chamber 312(semicircle) be to adapt with the shape of half module.If but need to be 6 preheating simultaneously of a pair of glass mold to two half modules time, the mould of coil 31 probes into chamber 312 and should form circle so.Again, if the height of glass mold 6 is higher, just coil 31 bends to the corresponding increase of number of iterations of semicircle or full circle so, vice versa.Therefore the curved shape of coil 31 is not subject to the restriction of illustrated semicircle shape or title horse-hof shape.
coil 31 is hollow, forms and has cavity 311, cooling to it by the water cycle cooling body 4 that also will describe in detail below, to prevent by discharging on the glass mold 6 after heating or claiming the heat of radiation to undermine coil 31.Preferably, at the outside surface of coil 31, with stacked package mode lapped insulation heatproof zone 313, insulation heatproof zone 313 is fiberglass adhesive tape (abbreviation glass fiber tape).The aforementioned packet stack rate of insulation heatproof zone 313 is 40-80%, is 45-70% preferably, is 50-60% better, is preferably 55%, and the present embodiment is 55%.The width of insulation heatproof zone 31 is preferably 0.5-2 ㎝, is 0.8-1.8 ㎝ preferably, is 0.8-1.5 ㎝ better, is preferably 1 ㎝ (the present embodiment is selected and used 1 ㎝).The thickness of insulation heatproof zone 313 is 0.05-0.45 ㎜, is 0.08-0.4 ㎜ preferably, is 0.1-0.3 ㎜ better, is preferably 0.2 ㎜, and the present embodiment is 0.2 ㎜.
be corresponding with the glass mold 6 shown in Fig. 1 because the mould of aforesaid coil 31 probes into chamber 312, therefore, in the time that Frequency Induction Heating case 3 declines, just correspond to glass mold 6, namely make glass mold 6 enter mould and probe into chamber 312, vice versa.
above mentioned water cycle cooling body 4 comprises water tank 41, water pump 42 and pump motor 43, water tank 41 is arranged in the water cycle cooling body chamber 12 of aforementioned frame 1, pump motor 43 connects with water pump 42 transmissions, and by water pump 42 together with or the top that claims to carry pump motor 43 use water pump fixing screws 422 and be fixed on water tank 41, the water outlet of water pump 42 is connected with one end of aforementioned coil 31 by rising pipe 421, and the water-in of water pump 42 communicates with the case chamber of water tank 41, the water return outlet of water pipe 41 is connected with the other end of coil 31 by return water pipe 411, thereby form the water cycle cooling loop communicating with the cavity 311 of coil 31.Aforesaid pump motor 43 is connected with electric control box 7 electrical controls.
please still see Fig. 1, for realizing automatically, the Heating temperature to glass mold 6 controls, therefore on board 11, be equipped with a die temperature detection agency 5, this die temperature detection agency 5 preferably but not the structure being definitely limited to is as follows: comprise column 51, adjust cross bar 52, cantilever lever 53 and infrared thermometry head 54, column 51 is fixed on the surface of board 11 with plumbness, and corresponding with mould arranging box 111, corresponding with illustrated glass mold 6, in the time that adjustment cross bar 52 is adjusted to desired position on column 51, fixing with adjusting seat set screw 5211, the other end of adjusting cross bar 52 is configured to horizontal boom end.Cantilever lever 53 forms and has movable sleeving 531 towards the upper end of adjusting cross bar 52, movable sleeving 531 is nested with to be adjusted on cross bar 52, and fixing with movable sleeving screw 5311, infrared thermometry head 54 is fixed on the lower end of cantilever lever 53, and corresponding with glass mold 6, this infrared thermometry head 54 is connected with electric control box 7 by circuit.
applicant describes use of the present invention in conjunction with Fig. 1, first pre-warmed needs glass mold 6 is placed in Refractory blocks 1111 with vertical state, because coil 31 is now positioned at the top of glass mold 6, that is to say that Frequency Induction Heating case hoisting appliance 2 makes Frequency Induction Heating case 3 in high-order (coil 31 is corresponding to the top of glass mold 6).Operation by operator to the associated button on electric control box 7, make motor 22 reverse operations of Frequency Induction Heating case hoisting appliance 2, the motor shaft that is motor 22 is rotated counterclockwise, screw rod 24 is with example, by the description above applicant, Frequency Induction Heating case 3 is descending, and descending degree is until touched the signal picker 214 of below by fork foot rest arm 251, by the signal picker 214 of this below by signal feedback to electric control box 7, send instruction by electric control box 7 motor 22 quit work.Now, the mould of coil 31 probes into chamber 312 just corresponding to glass mold 6, that is to say that glass mold 6 enters mould and probes into chamber 312, held by coil 31, through the operation to electric control box 7, Frequency Induction Heating case 3 is worked, and by coil 31, glass mold 6 is generated heat, and the aforesaid form with electromagnetic eddy generation heat heats glass mold.In this process, water cycle cooling body 4 is in running order.The temperature of glass mold 6 is predicted by the infrared thermometry head 54 of die temperature detection agency 5, and by signal feedback to electric control box 7, in the time recording 400 DEG C (being only example), send instruction by electric control box 7 Frequency Induction Heating case 3 is quit work.Send instruction to motor 22 by electric control box 7 simultaneously, the motor shaft of motor 22 is done and previously contrary direction rotation, Frequency Induction Heating case 3 is up, the mould of coil 31 probes into chamber 312 and recesses glass mold 6, in up process, in the time that fork foot rest arm 251 touches the signal picker 214 on top, by the signal picker 214 on this top by signal to electric control box 7, motor 22 quits work.Now by online assignment personnel utilize fire tongs by the glass mold after preheating 6 get from, be transferred to surfacing operation, next glass mold 6 is placed in Refractory blocks 1111 simultaneously, repeat said process.
in an embodiment of the present invention, why applicant does not do too much explanation to Frequency Induction Heating case 3, because belong to known technology, for example can emphasis referring to 6 pages of the specification sheets page 4 to the of above mentioned Chinese patent Granted publication CN201039510Y.
in sum, technical scheme provided by the invention has made up the deficiency in prior art, has completed invention task, has objectively embodied the technique effect described in the superincumbent technique effect of applicant hurdle.
Claims (1)
1.
a kind of glass mold Frequency Induction Heating machine, comprise a frame (1), the top of this frame (1) forms a board (11), and the below of board (11) is configured to water cycle cooling body chamber (12), and be provided with one on the surface of board (11) for settling the mould placement seat (111) of glass mold, one Frequency Induction Heating case hoisting appliance (2), this Frequency Induction Heating case hoisting appliance (2) is fixed on described board (11), one Frequency Induction Heating case (3), this Frequency Induction Heating case (3) is mounted on described Frequency Induction Heating case hoisting appliance (2), the lifting with the lifting of Frequency Induction Heating case hoisting appliance (2), and the coil (31) of this Frequency Induction Heating case (3) is positioned at outside the casing of Frequency Induction Heating case (3), and this coil (31) is configured to the coil-like structure that has a mould and probe into chamber (312) in the repeated flex mode of a plurality of semicircles or a plurality of full circle, mould probes into the top of chamber (312) corresponding to described mould placement seat (111), it is characterized in that described Frequency Induction Heating case hoisting appliance (2) comprises the lifting support (21) with support chamber (213), motor (22), slide unit (23), screw rod (24), fork foot rest (25), first, the second fork pin (26, 27) and induction-box supporting plate (28), lifting support (21) is fixed on the surface of described board (11) and is positioned at a side of the length direction of board (11), face on the wall body of described Frequency Induction Heating case (3) one sides and towards a side of support chamber (213) and be fixed with a pair of longitudinal parallel guide rail (211) each other at this lifting support (21), motor (22) is fixed on the top of lifting support (21) by motor cabinet (221), a wherein guide rail (211) in one end of slide unit (23) and pair of guide rails (211) is slidably matched, and another root guide rail (211) in the other end and pair of guide rails (211) is slidably matched, the middle part of slide unit (23) is equipped with a screw rod attaching nut (231), one end of screw rod (24) is connected with the electric machine shaft driving of motor (22), and the other end of screw rod (24) matches with described screw rod attaching nut (231), fork foot rest (25) is fixing with slide unit (23), and the two ends of this fork foot rest (25) are respectively bent with a fork foot rest arm (251), fork foot rest arm (251) is slidably matched with the fork foot rest arm slot to make way (212) being opened on lifting support (21), and be stretched over outside the described support chamber (213) of lifting support (21) through fork foot rest arm slot to make way (212) in the direction towards described Frequency Induction Heating case (3), the first fork pin (26) is fixed on one of them the fork foot rest arm (251) in a pair of fork foot rest arm (251), and the second fork pin (27) is fixed on another fork foot rest arm (251) in a pair of fork foot rest arm (251), and corresponding with the first fork pin (26), one end of induction-box supporting plate (28) and the first fork pin (26) are fixing, the other end and the second fork pin (27) are fixing, described Frequency Induction Heating case (3) is fixed on induction-box supporting plate (28).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210335141.XA CN102875008B (en) | 2012-09-12 | 2012-09-12 | Medium-frequency induction heating machine for glass molds |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210335141.XA CN102875008B (en) | 2012-09-12 | 2012-09-12 | Medium-frequency induction heating machine for glass molds |
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| CN102875008A CN102875008A (en) | 2013-01-16 |
| CN102875008B true CN102875008B (en) | 2014-07-23 |
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| CN201210335141.XA Active CN102875008B (en) | 2012-09-12 | 2012-09-12 | Medium-frequency induction heating machine for glass molds |
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| CN112475781B (en) * | 2020-11-23 | 2022-06-14 | 苏州宏创高频加热设备有限公司 | Auxiliary device for stator hot assembly production process |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1108688A1 (en) * | 1999-04-22 | 2001-06-20 | Matsushita Electric Industrial Co., Ltd. | Method and apparatus for molding optical device |
| CN202773111U (en) * | 2012-09-12 | 2013-03-06 | 苏州东方模具科技股份有限公司 | Glass die intermediate frequency induction heating machine |
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2012
- 2012-09-12 CN CN201210335141.XA patent/CN102875008B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1108688A1 (en) * | 1999-04-22 | 2001-06-20 | Matsushita Electric Industrial Co., Ltd. | Method and apparatus for molding optical device |
| CN202773111U (en) * | 2012-09-12 | 2013-03-06 | 苏州东方模具科技股份有限公司 | Glass die intermediate frequency induction heating machine |
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