CN201609949U - Special electro-permanent magnet quick mold change system for injection molding machine - Google Patents
Special electro-permanent magnet quick mold change system for injection molding machine Download PDFInfo
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- CN201609949U CN201609949U CN2010201023296U CN201020102329U CN201609949U CN 201609949 U CN201609949 U CN 201609949U CN 2010201023296 U CN2010201023296 U CN 2010201023296U CN 201020102329 U CN201020102329 U CN 201020102329U CN 201609949 U CN201609949 U CN 201609949U
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- permanent magnet
- magnetic pole
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- mold change
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Abstract
The utility model relates to a special electro-permanent magnet quick mold change system for an injection molding machine. The system comprises a sucker and a controller. The sucker comprises a plurality of magnetic units distributed on a base in turn at intervals; each magnetic unit comprises a magnetization-demagnetization coil, a reversible magnet and a magnetic pole; permanent magnets are respectively arranged among the magnetic poles and between the magnetic poles and the side wall of the base; the polarities of the adjacent reversible magnets are opposite; the contact ends of the permanent magnets in contact with the same magnetic pole have the same polarity; and a sensor used for detecting magnetic field and electrically connected with a controller is arranged on at least one of the magnetic poles of the magnetic units. When in use, the feedback signals of the sensor can be used for judging whether the magnetization is full or not or whether the surface of the sucker has residual field or not, therefore a reference is provided to the operating personnel for the next operation, and the mold change action is safer and more reliable. Moreover, a proximity switch is added, therefore the magnetization is carried out under the states that the mold is close to the magnetic poles very much, and the damages to the mold and the mold change system are avoided.
Description
Technical field
The utility model relates to a kind of quick mold change systems, specifically refers to the special-purpose electric control permanent magnet quick mold change systems of a kind of injection machine.
Background technology
In the injection machine injection moulding process, when the another kind of mould of needs conversion, the operator just need rotate fastening bolt by means of instrument, more mold exchange, recalibrate the injection moulding that can carry out behind the position next time again.Obviously, this traditional die change mode both wasted time and energy, and also can cause the reduction of injection machine overall throughput; And the bolt that fixed mould is used, screw also can wear and tear under the multi-pass operation of instrument, cause the difficulty of mounting or dismounting next time easily.
At this, the quick mold change systems that people design the injection machine special use comes, and this quick mold change systems is made up of sucker and controller, when sucker is used for adsorbing dynamic model or cover half, is dynamic model sucker or cover half sucker.No matter be dynamic model sucker or cover half sucker, each sucker all includes base and is positioned at magnet unit a plurality of spaced apart on the base in regular turn, each magnet unit includes the degaussion coil that fills that is placed in the base again, be positioned at the reversible magnetic body that fills degaussion coil and be placed on the magnetic pole that fills on the degaussion coil, also be respectively equipped with permanent magnet between the adjacent magnetic pole and between magnetic pole and the base side wall, other position in the base is filled with insulator, and the polarity of adjacent reversible magnetic body is provided with on the contrary, and each permanent magnet has identical polarity with the contravention that joins of same magnetic pole.During work, give and to fill degaussion coil and pass to the short time forward electric current that magnetizes, at this moment whole sucker externally shows magnetic.Because the effect of magnetic, the sucker of this moment be sticking, fastening, location dynamic model or cover half firmly.Otherwise, passing to reverse demagnetization current of short time to filling degaussion coil, at this moment whole sucker does not externally show magnetic, and dynamic model or the cover half that is adsorbed on the sucker will automatically come off so originally, thereby reaches the purpose of quick die change.
Though adopt above-mentioned quick mold change systems can solve the defective of traditional die change mode preferably, but because present sucker does not dispose magnetic detection device, therefore the operator in use can't be known the magnetic field situation of chuck surface in time, that is to say, whether magnetize for sucker saturated, or whether chuck surface also has remnant field, the operator can not know in time, judges the firmness of mould absorption and the suitable time of mould dismounting exactly thereby influenced the operator to a certain extent.Moreover, when die change, under mould does not also have in the extreme the state near magnetic pole,, then will inevitably cause the phenomenon of mould bump magnetic pole, and this phenomenon will impair mould and mold changing systems if pass to the short time electric current that magnetizes to filling degaussion coil this moment.So such quick mold change systems still awaits further improvement.
The utility model content
First technical problem to be solved in the utility model is at above-mentioned prior art present situation, provides a kind of and can directly detect Surface field and help the special-purpose electric control permanent magnet quick mold change systems of injection machine of operator's die change.
Second technical problem to be solved in the utility model is at above-mentioned prior art present situation, provides a kind of and can detect Surface field, is subjected to the special-purpose electric control permanent magnet quick mold change systems of injection machine of mould bump in the time of preventing die change again.
The utility model solves the problems of the technologies described above the technical scheme that is adopted: the special-purpose electric control permanent magnet quick mold change systems of this injection machine, form by sucker and controller, wherein sucker includes base and in regular turn, the a plurality of magnet units that are positioned on the base spaced apart, each magnet unit includes the degaussion coil that fills that is placed in the base again, be positioned at the reversible magnetic body that fills degaussion coil and be placed on the magnetic pole that fills on the degaussion coil, also be respectively equipped with permanent magnet between the adjacent magnetic pole and between magnetic pole and the base side wall, other position in the described base then is filled with insulator, and the polarity of adjacent reversible magnetic body is provided with on the contrary, and each permanent magnet has identical polarity with the contravention that joins of same magnetic pole, its feature: one of them magnetic pole at least in described a plurality of magnet units is provided with the sensor that detects magnetic field and be electrically connected with described controller.
In such scheme, described sensor is preferentially selected Hall element for use, and that can certainly adopt other can survey the conventional sensors that magnetic field has or not.
In above-mentioned each scheme, the magnetic pole upper surface that described sensor is installed has groove, and described sensor is contained in this groove, and such structure makes things convenient for magnetic pole processing, also helps sensor installation simultaneously.
Also be filled with described insulator in the described groove, play the effect of insulation and alignment sensor.
Be provided with described sensor on the magnetic pole of described each magnet unit, make testing result more accurate.
As further improvement of the utility model, can also be fixed with on the described base induced dies near degree and signal feedback can be given described controller near switch.Utilize this near the mould approach signal that switch detects, on the energising opportunity that can make controller control fill degaussion coil, guarantee that mould is magnetizing under the state near magnetic pole very much, to prevent the damage of mould and mold changing systems.
Above-mentioned can having near switch is a plurality of, is good on the described base to be distributed on successively simultaneously, to improve the sensitivity that detects, plays more effectively protective effect.
Compared with prior art, because the utility model has been set up and can have been detected the sensor whether magnetic field exists, thereby can by means of the signal of sensor feedback just can judge magnetize whether saturated, or whether chuck surface also has remnant field, thereby the operation of carrying out next step for operating personnel provides reference, makes that the die change action is safer, reliable.
Description of drawings
Fig. 1 is the structural representation of dynamic model sucker among the utility model embodiment;
Fig. 2 is the structural representation of cover half sucker among the utility model embodiment;
Fig. 3 fills degaussion coil and passes to the short time forward and magnetize A-A under the current status to cutaway view for giving among Fig. 1;
Fig. 4 fills degaussion coil and passes to structural representation under the reverse demagnetization current state of short time for giving among Fig. 3;
Fig. 5 be among Fig. 1 B-B to partial sectional view.
The specific embodiment
Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.
As shown in Figure 1 to Figure 3, the special-purpose electric control permanent magnet quick mold change systems of this injection machine includes sucker and controller, sucker as shown in Figure 1 is to be used for adsorbing dynamic model, be dynamic model sucker 1, sucker shown in Figure 2 is to be used for adsorbing cover half, be cover half sucker 2, no matter be dynamic model sucker or dynamic model sucker, included base 3 and in regular turn, be distributed in a plurality of magnet units on the base, because adjacent magnet unit is that one group structure distribution is identical in a plurality of magnet units, thereby be that example is illustrated now with two adjacent magnet units among Fig. 3, first magnet unit includes and is placed on first in the base 3 and fills degaussion coil 4, being positioned at first fills first reversible magnetic body 5 of degaussion coil and is placed on first first magnetic pole 6 that fills on the degaussion coil, one bolt passes first magnetic pole, the first reversible magnetic body rear thread is connected in the base plate screw of base 3, makes first magnetic pole, first reversible magnetic body and base are tightened to one.Same second magnet unit includes and is placed on second in the base 3 and fills degaussion coil 7, be positioned at second and fill second reversible magnetic body 8 of degaussion coil and be placed on second second magnetic pole 9 that fills on the degaussion coil, bolt passes second magnetic pole, the second reversible magnetic body rear thread is connected in the base plate screw of base 3, makes second magnetic pole, second reversible magnetic body and base be tightened to one.And also be respectively equipped with permanent magnet between the adjacent magnetic pole and between magnetic pole and the base side wall, and promptly be provided with first permanent magnet 10 between first magnetic pole 6 and the base side wall, between first magnetic pole 6 and second magnetic pole 9, be provided with second permanent magnet 11.Other position in the base then is filled with epoxyresin insulator 12, and the polarity of adjacent reversible magnetic body is provided with on the contrary, and each permanent magnet has identical polarity with the contact jaw of same magnetic pole, simultaneously the magnetic pole in the magnet unit is provided with the sensor that detects magnetic field and be electrically connected with controller therein, in the present embodiment, on first magnetic pole, sensor is set, and sensor is selected Hall element 13 for use.
Consider the convenience of processing, assembling, above-mentioned Hall element 13 is installed in the surperficial position of first magnetic pole, promptly on the upper surface of this first magnetic pole, have the groove 14 that holds for Hall element, also be filled with epoxy resin in the above-mentioned groove after installing Hall element simultaneously, so both play insulating effect, reached the purpose of location Hall element again simultaneously.
In the present embodiment, in order in time to know the magnetic field situation of each magnet unit top of chuck surface, can above the magnetic pole of each magnet unit Hall element be set, it is more accurate to detect like this.
Simultaneously on base also by nut 16 be fixed with induced dies near degree and signal feedback can be given controller near switch 15.
When the needs installation mold, with other lifting devices mould is adjacent to magnetic pole in the use, when mould, just can detect signal near switch, and signal is passed to controller during less than certain distance near the distance of magnetic pole, controller allows to fill the demagnetization operation; After this give and respectively fill degaussion coil and pass to the short time forward electric current that magnetizes, at this moment, the polarity of the approach end of reversible magnet steel of polarity and adjacent permanent magnet is identical, now the operation principle with adjacent two magnet units among Fig. 3 is that example is illustrated, the reversible magnet steel 5 of first polarity in left side and the magnetic line of force of first permanent magnet 10 are from the N utmost point, through the first common magnetic pole 6, behind the space outside first magnetic pole, again successively from adjacent second magnetic pole 9, get back to the S utmost point behind reversible magnet steel 8 of second polarity and the base 3, at this moment promptly, there is magnetic field in the upper surface space of sucker, in this process, the magnetic line of force also passes the Hall element 13 that is positioned on first magnetic pole, Hall element 13 is the signal of telecommunication that can discern of controller with signal transition and gives controller with signal feedback, controller carries out calculation process to the received signal, whether and operation result judged: it is saturated to magnetize, and as unsaturated, then reports to the police automatically; As saturated, show then that normally this moment, mould was pull-in on the sucker firmly, injection machine can carry out injection operation.
After mould installed, hall probe detected magnetic signal, also can detect the mould approach signal near switch.If survey less than mould approach signal suddenly near switch this moment, illustrate that mould is forced to draw back, controller can be reported to the police automatically.
When the needs mould is dismantled, with other lifting devices mould is pre-fixed in advance, in order to avoid magnetic force when disappearing mould drop.Then pass to reverse demagnetization current of short time to filling degaussion coil, at this moment, the polarity of the approach end of reversible magnet steel of polarity and adjacent permanent magnet is opposite, see also Fig. 4, at this moment, the magnetic line of force of first permanent magnet 10 in left side is from the N utmost point, through first magnetic pole 6, get back to the S utmost point behind reversible magnet steel 5 of first polarity and the base 3, the magnetic line of force of second permanent magnet 11 is from the N utmost point, through first magnetic pole 6, the reversible magnet steel 5 of first polarity, get back to the S utmost point behind the reversible magnet steel 8 of the base 3 and second polarity and second magnetic pole 9, at this moment promptly, the upper surface space of sucker does not have magnetic field and exists, externally do not show magnetic, the magnetic line of force does not just pass Hall element 13 yet, and Hall element 13 is the signal of telecommunication that can discern of controller with the signal transition that receives and gives controller with signal feedback, controller carries out calculation process to the signal of receiving, and operation result judged: demagnetization whether fully, as also having remnant field, then report to the police; As detecting, show then that normally this moment, mould can be pulled down from sucker less than magnetic field.Mould unloads the back and surveys less than signal near switch, and sucker can't fill the demagnetization operation, so after adopting the utility model, it is safer, reliable to operate.
Claims (8)
1. the special-purpose electric control permanent magnet quick mold change systems of an injection machine, form by sucker and controller, wherein sucker includes base and in regular turn, the a plurality of magnet units that are positioned on the base spaced apart, each magnet unit includes the degaussion coil that fills that is placed in the base again, be positioned at the reversible magnetic body that fills degaussion coil and be placed on the magnetic pole that fills on the degaussion coil, also be respectively equipped with permanent magnet between the adjacent magnetic pole and between magnetic pole and the base side wall, other position in the described base then is filled with insulator, and the polarity of adjacent reversible magnetic body is provided with on the contrary, and each permanent magnet has identical polarity with the contravention that joins of same magnetic pole, its feature: one of them magnetic pole at least in described a plurality of magnet units is provided with the sensor that detects magnetic field and be electrically connected with described controller.
2. the special-purpose electric control permanent magnet quick mold change systems of injection machine according to claim 1, it is characterized in that: described sensor is a Hall element.
3. the special-purpose electric control permanent magnet quick mold change systems of injection machine according to claim 1 and 2, it is characterized in that: the magnetic pole upper surface that described sensor is installed has groove, and described sensor is contained in this groove.
4. the special-purpose electric control permanent magnet quick mold change systems of injection machine according to claim 3 is characterized in that: also be filled with described insulator in the described groove.
5. the special-purpose electric control permanent magnet quick mold change systems of injection machine according to claim 4 is characterized in that: be provided with described sensor on the magnetic pole of described each magnet unit.
6. the special-purpose electric control permanent magnet quick mold change systems of injection machine according to claim 1 and 2 is characterized in that: be provided with described sensor on the magnetic pole of described each magnet unit.
7. the special-purpose electric control permanent magnet quick mold change systems of injection machine according to claim 1 and 2 is characterized in that: also be fixed with on the described base induced dies near degree and signal feedback can be given described controller near switch.
8. the special-purpose electric control permanent magnet quick mold change systems of injection machine according to claim 7 is characterized in that: described have a plurality ofly near switch, be distributed on successively on the described base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201023296U CN201609949U (en) | 2010-01-21 | 2010-01-21 | Special electro-permanent magnet quick mold change system for injection molding machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201023296U CN201609949U (en) | 2010-01-21 | 2010-01-21 | Special electro-permanent magnet quick mold change system for injection molding machine |
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| CN201609949U true CN201609949U (en) | 2010-10-20 |
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| CN2010201023296U Expired - Fee Related CN201609949U (en) | 2010-01-21 | 2010-01-21 | Special electro-permanent magnet quick mold change system for injection molding machine |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014033757A1 (en) * | 2012-08-31 | 2014-03-06 | Uttam Sarda | Electro permanent magnetic holding apparatus with magnetic flux sensor |
| CN103753763A (en) * | 2014-01-26 | 2014-04-30 | 宁波海迈克精密机械制造有限公司 | Magnetic template |
| CN105215780A (en) * | 2015-09-29 | 2016-01-06 | 河南新开源石化管道有限公司 | A kind of retracting device of bench drill drilling cuttings |
| CN105773940A (en) * | 2016-03-08 | 2016-07-20 | 胡聪燕 | Magnetic die plate |
| CN104330988B (en) * | 2014-10-12 | 2017-07-28 | 佛山市顺德区盛锵德磁科技有限公司 | A kind of electric permanent-magnet suction disc control device quickly changed the mold |
| CN107214913A (en) * | 2017-06-29 | 2017-09-29 | 盐城市丰顺家居科技有限责任公司 | A kind of mould for plastics charging crane |
| CN110539392A (en) * | 2019-08-23 | 2019-12-06 | 佛山市石湾陶瓷工业研究所有限公司 | Quick-change lower magnetic seat and die assembly using same |
| CN115401494A (en) * | 2022-08-29 | 2022-11-29 | 燕山大学 | Multi-working-surface electric control permanent magnetic chuck |
-
2010
- 2010-01-21 CN CN2010201023296U patent/CN201609949U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014033757A1 (en) * | 2012-08-31 | 2014-03-06 | Uttam Sarda | Electro permanent magnetic holding apparatus with magnetic flux sensor |
| DE112013004264B4 (en) | 2012-08-31 | 2023-03-09 | Uttam Sarda | Electropermanent magnetic holding device with magnetic flux sensor |
| CN103753763A (en) * | 2014-01-26 | 2014-04-30 | 宁波海迈克精密机械制造有限公司 | Magnetic template |
| CN104330988B (en) * | 2014-10-12 | 2017-07-28 | 佛山市顺德区盛锵德磁科技有限公司 | A kind of electric permanent-magnet suction disc control device quickly changed the mold |
| CN105215780A (en) * | 2015-09-29 | 2016-01-06 | 河南新开源石化管道有限公司 | A kind of retracting device of bench drill drilling cuttings |
| CN105773940A (en) * | 2016-03-08 | 2016-07-20 | 胡聪燕 | Magnetic die plate |
| CN107214913A (en) * | 2017-06-29 | 2017-09-29 | 盐城市丰顺家居科技有限责任公司 | A kind of mould for plastics charging crane |
| CN110539392A (en) * | 2019-08-23 | 2019-12-06 | 佛山市石湾陶瓷工业研究所有限公司 | Quick-change lower magnetic seat and die assembly using same |
| CN110539392B (en) * | 2019-08-23 | 2024-06-07 | 佛山市石湾陶瓷工业研究所有限公司 | Quick-change lower magnetic seat and die assembly using same |
| CN115401494A (en) * | 2022-08-29 | 2022-11-29 | 燕山大学 | Multi-working-surface electric control permanent magnetic chuck |
| CN115401494B (en) * | 2022-08-29 | 2024-04-05 | 燕山大学 | Multi-working-surface electric control permanent magnet sucker |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101020 Termination date: 20170121 |