CN201544467U - Synthesis equipment for PP environmentally-friendly folder - Google Patents
Synthesis equipment for PP environmentally-friendly folder Download PDFInfo
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- CN201544467U CN201544467U CN2009202762748U CN200920276274U CN201544467U CN 201544467 U CN201544467 U CN 201544467U CN 2009202762748 U CN2009202762748 U CN 2009202762748U CN 200920276274 U CN200920276274 U CN 200920276274U CN 201544467 U CN201544467 U CN 201544467U
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Abstract
Synthesis equipment for a PP environmentally-friendly folder comprises an upper mold and at least one lower mold, wherein the upper mold is provided with a preheating device, and the top surface of the lower mold is provided with a rapid heating device. The rapid heating device adopts a rapid heating frame which consists of resistance wires. The synthesis equipment has the benefits that as the rapid heating method is adopted to provide sufficient heat for a PP thin film in a synthesis area rapidly, the PP thin film in the synthesis area is melted and adhered with another layer of the PP thin film; as the heating is conducted in extremely short time, the PP thin film in the synthesis area can not transfer sufficient heat to the PP thin film outside the synthesis area, and the PP thin film outside the synthesis area can not be melted; the synthesis equipment has simple structure, the price does not reach 10% of that of the equipment used by ultrasonic technology, the cost is extremely low, the promotion is easy, and the manufactured folder is made of PP material and replaces the traditional non-environmentally-friendly product with PVC material.
Description
Technical field
The utility model relates to a kind of synthesis device of PP environmental-friendly folder.
Background technology
Traditional file adopts two-layer pvc film to do epidermis mostly, and cardboard is done interlayer, makes that by High-frequency machine the edge of two-layer pvc film is bonding, makes file.But, because the pvc material does not meet environmental protection requirement.Therefore present file begins to adopt than the PP material that is easier to reclaim and replaces the pvc material to do epidermis, to satisfy environmental protection requirement.
But the method for the synthetic PP environmental-friendly folder of existing P P film is to process with ultrasonic technology, makes that the synthetic zone of the synthetic zone of one deck PP film edge and another layer PP film edge is bonding, thereby makes file.But this method need adopt powerful ultrasonic wave generating apparatus, and domestic can't the manufacturing of high-power ultrasonics generation equipment of satisfying processing request, at present can only be from foreign import, therefore its price is very high, cause the cost of this processing method also very high, so domestic manufacturer is difficult to adopt this method to produce the PP environmental-friendly folder.
The utility model content
The purpose of this utility model provides a kind of synthetic method of PP environmental-friendly folder, PP film and cardboard can be synthesized the PP environmental-friendly folder, and be easy to realize that cost is low, and the technical scheme of employing is as follows:
A kind of synthesis device of PP environmental-friendly folder comprises mold, at least one bed die, and it is characterized in that: described mold is provided with preheating device, and described bed die end face is provided with heater rapidly.
A kind of scheme, described heater rapidly is heating frame rapidly.For the ease of synthetic PP environmental-friendly folder, the shape of described heating frame rapidly is identical with the shape in the synthetic zone of each film.
A kind of reasonable scheme, described heating frame rapidly is made up of resistance wire.Resistance wire can be metal or the alloy that is fit to arbitrarily, also can be other material, as long as can provide enough heats to synthesize the zone to the PP film in the short time (3-10 is in second), makes the synthetic zone of PP film melt.
Described resistance wire synthesizes the distance of regional inner side edge greater than zero to PP film to be processed.This be because, the heat that resistance wire passes in the synthetic zone of PP film can be by the PP film of PP film transfer to the outside, if resistance wire contacts with the synthetic regional inner side edge of PP film, the PP film of being close to the synthetic regional outer of PP film so might be melted or the approaching state that melts, because being positioned at the outer PP film in synthetic zone contacts with cardboard, can not be bonding with another PP film, after the cooling holes appears easily therefore, cause occurring waste product.In order to reduce the appearance of holes as far as possible, resistance wire is designed to can prolong thermal energy transfer like this to the time that synthetic extra-regional PP film needs away from the synthetic regional inner side edge of PP film, thereby effectively avoids the appearance of holes situation.
The temperature range of above-mentioned mold is the 80-130 degree, and the temperature range of bed die is the 300-400 degree.Mold is heated to suitable temperature with the 2nd PP film so that the 2nd a PP film and a PP film are bonding, and a PP film also can absorb the heat of coming from the 2nd PP film transfer and soften, when bed die heats a PP film like this, the required heat that passes to a PP film can reduce, and can reduce the time of bed die heating.
The time range of the each heating of described bed die is 3-10 second.That is to say that bed die is 3-10 second to the time range of each PP environmental-friendly folder assembly heating.
Described mold is divided at least two heating intervals, and each heating interval is equipped with a preheating device, and the heating-up temperature of each heating interval all can be regulated separately like this.
Described preheating device is electromagnetic heater or resistive heating device.
Introduce the synthetic method of PP environmental-friendly folder below:
A kind of PP environmental-friendly folder assembly relatively simple for structure comprises a PP film, the 2nd PP film and at least one cardboard, and a PP film is positioned at the most beneath, and cardboard is positioned on the PP film, and the 2nd PP film is positioned on the cardboard.
1) PP environmental-friendly folder assembly is placed on the bed die;
2) mold and bed die matched moulds are clamped PP environmental-friendly folder assembly;
3) mold heats the 2nd PP film;
4) bed die heats rapidly to a PP film that is positioned at synthetic zone, and the synthetic zone of the PP film of winning is melted and bonding with the synthetic zone of the 2nd PP film;
5) after bed die stopped heating, mold continued to keep heating, up to the moulding fully of synthetic zone, and synthetic PP environmental-friendly folder.It is to avoid heat to run off that mold keeps the purpose of heating, so that synthetic zone can moulding smoothly under the pressure of mold and bed die, avoids synthesizing the zone and deforms.
Described synthetic zone refers to the zone that is positioned at the overlapping part outside of a PP film or the 2nd PP film and cardboard, and this zone is used for another PP film bonding.
Described heating rapidly, be to adopt rapidly that heater heats rapidly to the synthetic zone of one deck PP film in limiting time, stop energising at once after the heat of the synthetic zone thawing of the enough PP films of heater transmission is given the synthetic zone of above-mentioned PP film rapidly, PP film in the synthetic zone is melted, and bonding with the synthetic zone of another layer PP film, make the PP environmental-friendly folder.This at the time mode of heating that limits, be called heating rapidly herein.
The time of described qualification is less than the thawing time of synthetic extra-regional PP film.In the process that heater heats rapidly to the synthetic zone of PP film rapidly, be positioned at synthetic extra-regional PP film and also constantly absorb the heat that the synthetic zone by the PP film of heater rapidly passes over, when synthetic extra-regional PP film absorption behind enough heats, will melt.The heat that the heater transmission is enough is given synthetic extra-regional PP film rapidly, makes synthetic extra-regional PP film melt needed conduction time, is called the thawing time of synthetic extra-regional PP film.Because rapidly after the heater stop energising, also have remaining heat and be delivered to the PP film, and heat is delivered to synthetic extra-regional PP film from heater rapidly also needs the time, and therefore heater begins to switch on and is greater than up to the time that synthetic extra-regional PP film begins to melt the thawing time of synthetic extra-regional PP film rapidly.
A kind of preferable scheme, the scope of described limiting time are 3-10 second.Consider the programming rate of heater rapidly, PP material that actual PP environmental-friendly folder is adopted thickness, transmit heat speed, melt needed heat or the like factor, through a large amount of experiments, the applicant thinks that the scope of limiting time is 3-10 second, and the effect of processing is relatively good.
For the effectively smooth moulding in the synthetic zone of assurance, the time range that mold continues to keep heating in the described step 5 is 3-8 second.
The utility model beneficial effect against existing technologies is because the method for employing Fast Heating provides enough heats to synthesize regional PP film to being positioned at rapidly, therefore to be positioned at synthetic regional PP film thawing and bonding with another layer PP film; Owing to heat in the very short time, the PP film that is positioned at synthetic zone can't be positioned at abundant heat transferred synthetic extra-regional PP film, therefore is positioned at synthetic extra-regional PP film and can melt; The used synthesis device of this method is simple in structure, and price is less than 10% of the ultrasonic technology device therefor, and cost is very low, be easy to promote, and the file that makes adopts the PP material to replace the not environment-friendly products of traditional PVC material.
Description of drawings
Fig. 1 is the structural representation of the PP environmental-friendly folder synthesis device of the utility model embodiment 1;
Fig. 2 is the structural representation of embodiment illustrated in fig. 11 PP environmental-friendly folder assembly.
The specific embodiment
Embodiment 1
As shown in Figure 1, the synthesis device of a kind of PP environmental-friendly folder in the present embodiment comprises mold 1, a bed die 2, and described mold 1 is divided into 3 heating intervals, each heating interval is equipped with a preheating device 11, and the heating-up temperature of each heating interval all can be regulated separately like this.Described bed die 2 end faces are provided with heater rapidly.
Described heater rapidly adopts heating frame 22 rapidly, the shape of heating frame 22 is identical with the shape in the synthetic zone of a PP film 301 rapidly, heating frame 22 is made by resistance wire rapidly, and the distances of surveying limits in resistance wire to a PP film 301 synthetic zones are 1 millimeter.
Described preheating device 11 is resistive heating devices.
The synthetic method of PP environmental-friendly folder of the present utility model may further comprise the steps successively:
1) PP environmental-friendly folder assembly 3 is placed on the bed die 2.As shown in Figure 2, it is the most beneath that described PP environmental-friendly folder assembly 3 comprises that a PP film 301, the 2nd PP film 303 and three cardboard 302, the one PP films 301 are positioned at, and cardboard 302 is positioned at that 301, the two PP films 303 are positioned on the cardboard 302 on the PP film.With a PP film 301, cardboard 302 and neat successively the overlaying on the bed die 2 of the 2nd PP film 303, so that processing.
2) mold 1 and bed die 2 matched moulds are clamped PP environmental-friendly folder assembly 3.In the present embodiment, mold 1 maintains static, and bed die 2 moves upward, with mold 1 matched moulds.Behind the matched moulds, mold 1 is clamped PP environmental-friendly folder assembly 3 with bed die 2, just can process.
3) 1 pair the 2nd PP film of mold 303 carries out preheating; Like this, the 2nd PP film 303 can be softening, and the 2nd PP film 303 also can make the PP film 301 of winning softening heat transferred the one PP film 301.The temperature of mold 1 remains on 130 degree, the 2nd PP film 303 is heated to 130 degree so that the 2nd a PP film 303 and a PP film 301 are bonding, and a PP film 301 also can absorb the heat that passes over from the 2nd PP film 303 and soften, when 2 pairs the one PP films of bed die 301 heat like this, the required heat that passes to a PP film 301 can reduce, can reduce the time of bed die 2 heating, more effective minimizing is lost to the heat that synthesizes extra-regional part from the part that a PP film 301 is positioned at synthetic zone, significantly reduce the probability that is positioned at 301 thawings of a synthetic extra-regional PP film, reduce the percent defective of PP environmental-friendly folder finished product greatly.
4) 2 pairs of the bed dies PP film 301 that is positioned at synthetic zone heats rapidly, and the synthetic zone of the PP film 301 of winning is melted and bonding with the synthetic zone of the 2nd PP film 303, and the temperature of bed die 2 is 400 degree.
5) after bed die 2 stopped heating, mold 1 continued to keep heating, up to the moulding fully of synthetic zone, and synthetic PP environmental-friendly folder.
Described heating rapidly, be to adopt heater rapidly in the time that limits, the synthetic zone of a PP film 301 to be heated rapidly, stop energising at once after the heat of the synthetic zone thawing of the enough PP films 301 of heater transmission is given the synthetic zone of a PP film 301 rapidly, PP film 301 in the synthetic zone is melted, and bonding with the synthetic zone of the 2nd PP film 303, make the PP environmental-friendly folder.PP environmental-friendly folder on bed die 2 is removed, change new PP environmental-friendly folder assembly 3 after, restart the step of above-mentioned 1-4.
Described limiting time is less than the thawing time of a synthetic extra-regional PP film 301, and the time that limits in the present embodiment is 10 seconds, and the time range that mold continues to keep heating in the described step 5 is 8 seconds.
Embodiment 4
Embodiment 4 is with the difference part of embodiment 1: the temperature of mold 1 remains on 120 degree, and the temperature of bed die 2 is 320 degree, and the time of qualification is 4 seconds, and the time range of mold continuation maintenance heating is 3.5 seconds in the described step 5.
Embodiment 5
Embodiment 5 is with the difference part of embodiment 1: the temperature of mold 1 remains on 85 degree, and the temperature of bed die 2 is 350 degree, and the time of qualification is 9 seconds, and the time range of mold continuation maintenance heating is 6.5 seconds in the described step 5.
Embodiment 6
Embodiment 6 is with the difference part of embodiment 1: the temperature of mold 1 remains on 95 degree, and the temperature of bed die 2 is 355 degree, and the time of qualification is 7 seconds, and the time range of mold continuation maintenance heating is 6 seconds in the described step 5.
Claims (7)
1. the synthesis device of a PP environmental-friendly folder comprises mold, at least one bed die, and it is characterized in that: described mold is provided with preheating device, and described bed die end face is provided with heater rapidly.
2. the synthesis device of PP environmental-friendly folder as claimed in claim 1 is characterized in that: described heater rapidly is heating frame rapidly.
3. the synthesis device of PP environmental-friendly folder as claimed in claim 2 is characterized in that: described heating frame rapidly is made up of resistance wire.
4. as the synthesis device of any described PP environmental-friendly folder among the claim 1-3, it is characterized in that: the temperature range of described mold is the 80-130 degree, and the temperature range of bed die is the 300-400 degree.
5. the synthesis device of PP environmental-friendly folder as claimed in claim 4 is characterized in that: the time range of the each heating of described bed die is 3-10 second.
6. the synthesis device of PP environmental-friendly folder as claimed in claim 5 is characterized in that: described mold is divided at least two heating intervals, and each heating interval is equipped with a preheating device.
7. the synthesis device of PP environmental-friendly folder as claimed in claim 6 is characterized in that: described preheating device is electromagnetic heater or resistive heating device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202762748U CN201544467U (en) | 2009-12-02 | 2009-12-02 | Synthesis equipment for PP environmentally-friendly folder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202762748U CN201544467U (en) | 2009-12-02 | 2009-12-02 | Synthesis equipment for PP environmentally-friendly folder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201544467U true CN201544467U (en) | 2010-08-11 |
Family
ID=42599627
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202762748U Expired - Fee Related CN201544467U (en) | 2009-12-02 | 2009-12-02 | Synthesis equipment for PP environmentally-friendly folder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201544467U (en) |
-
2009
- 2009-12-02 CN CN2009202762748U patent/CN201544467U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100811 Termination date: 20131202 |