CN200977712Y - Curing and heat composite device for polytetrafluoroethene thin film - Google Patents
Curing and heat composite device for polytetrafluoroethene thin film Download PDFInfo
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- CN200977712Y CN200977712Y CN 200620140562 CN200620140562U CN200977712Y CN 200977712 Y CN200977712 Y CN 200977712Y CN 200620140562 CN200620140562 CN 200620140562 CN 200620140562 U CN200620140562 U CN 200620140562U CN 200977712 Y CN200977712 Y CN 200977712Y
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Abstract
The utility model relates to a solidification and hot lamination device used for teflon film. The device belongs to the contact type solidification, a hot roll is arranged, which is heated through a plurality of internal electric heating pipes. The temperature can be continuously adjusted when the hot roll surface temperature is 450 centi degree, and the teflon film or polyurethane-teflon co-stretching composite film moves above the hot roll in a friction way. The utility model avoids the disadvantages that the solidification of the film is uneven, the energy consumption is large, and the polyurethane-teflon co-stretching composite film can not be solidified. A high temperature resistant silicone rubber roll is arranged above the hot roll, when rotating, the hot roll drives the high temperature resistant silicone rubber roll to rotate simultaneously, and under certain temperature and pressure, the hot lamination of the teflon film and the supporting material can be realized. The utility model can realize the hot lamination between the film and the supporting material, avoid the problems of the aging of the bond during the bonding with bond, and at the same time, greatly reduce the cost.
Description
Technical field
The utility model relates to a kind of curing and hot compound device, especially relates to a kind of polytetrafluoroethylfilm film hardening and heat composite apparatus of being used for.
Background technology
Microporous teflon membran serviceability temperature scope wide (200 ℃～260 ℃) by biaxial tension, coefficient of friction is little, chemical resistance is good, therefore extensively be used as filter medium in fields such as chemical industry, the energy, environmental protection, electronics, its microporous morphosis feature and strong-hydrophobicity make it in a large number as the material of main part of Waterproof Breathable functional fabric and medical protective garment, have therefore obtained extensive application in a plurality of fields.
Solidifying in the process of microporous teflon membran is a key link, and it directly has influence on the dimensional stability and the serviceability of film.Described a kind of contactless solidification device in the patent 99244710.0, this solidification device is made up of many strip heaters, and its width is 50 millimeter, and the thermal treatment zone is the 500-2000 millimeter.Distance between polytetrafluoroethylene film and the strip heater is the 10-15 millimeter, controls hardening time by relative position and the quantity that changes heater under the certain situation of the speed of a motor vehicle.This solidification device is easy to use, flexible, but also have certain defective: polytetrafluoroethylene film in solidification process by both sides chain clamping, because under the effect of heat, very easily form in the middle of the film and suspend, and finally cause the inhomogeneous of film, be both sides when having solidified fully, the centre is still uncured good.Another shortcoming be consume energy bigger.This solidification device only can be used the curing of simple polytetrafluoroethylene film, can not be applicable to patent (application number 03100830.5, stretch the jointly preparation method of composite membrane of polyurethane-polytetrafluoroethylene (PTFE)) composite membrane that stretches jointly of the polyurethane-polytetrafluoroethylene (PTFE) in, reason is the polyurethane component degradation with aging in this solidification device easily in the composite membrane, even combustion phenomena occurs.
When microporous teflon membran is used for the coated filter material of high-temperature dust removal bag, must be combined with each other with backing materials such as non-weaving cloths.Present compound adhesive means that adopt more, but select comparatively difficulty of megathermal adhesive, therefore do not have the emphasis that the hot complex method of glue is development, it mainly is to utilize high temperature to make polytetrafluoroethylene film be in the semi-molten state, and it is bonding that film and backing material are taken place.Mostly present hot equipment complex is to adopt a steel rider and a rubber rollers, and by the conduction oil or the electrothermal tube heating of steel rider inside, but surface temperature generally is lower than 250 ℃.Treat that the compound material of heat passes in the middle of steel rider and rubber rollers, the rubber rollers pressurization, it is compound that material is carried out heat.Therefore this covering device only can make the lower backing material generation partial meltings of fusing point such as resembling polypropylene, polyethylene, terylene, only limits to the compound of such low melting material and polytetrafluoroethylene film, and the material after compound can only be used for the low temperature dust settling pocket.Backing material for high-temperature dust removal bag usefulness mostly is the Nomex that short fibers such as glass fibre, polyimides, polytetrafluoroethylene (PTFE), aramid fiber, polyphenylene sulfide are made, temperature below 250 ℃ promptly can not make the backing material partial melting, can not make the polytetrafluoroethylene film partial melting, simultaneously lack the high temperature modification adhesive at present again, so the high-temperature dust removal bag is with the difficulty that is processed into maximum of composite filtering material.
Summary of the invention
The purpose of this utility model provides a kind of polytetrafluoroethylfilm film hardening and heat composite apparatus of being used for.The surface temperature of the contact hot-rolling in this device can be up to 450 ℃, can be used for stretch the jointly curing of composite membrane of polytetrafluoroethylene film, polyurethane-polytetrafluoroethylene (PTFE); The temperature resistant rubber roller is set above hot-rolling, then can be used for the high-temperature dust removal bag and use the hot compound of coated filter material.
The technical solution adopted in the utility model is that it comprises:
A. polytetrafluoroethylfilm film hardening device: the first-class branch of same circumference in hot-rolling inside is equipped with electric heating tube, the rotating shaft of hot-rolling both sides is embedded on the interior bearing of two side stands, two conductive plates are installed in respectively in the rotating shaft of both sides, electric heating tube one end is connected with conductive plate by lead, all electric heating tubes are and are connected in parallel, and an end connects the positive pole of power supply, and the other end connects power cathode, described hot-rolling and conductive plate rotate synchronously, and conductive plate is provided with the friction electric installation;
B. the high-temperature dust removal bag is with the heat composite apparatus of coated filter material: a high-temperature-resisting silicon rubber roller is set above hot-rolling, outside dimension and hot-rolling are identical, the both sides rotating shaft of high-temperature-resisting silicon rubber roller is embedded on another interior bearing of another two side stand, and another two side stand of hot-rolling is connected with spring of the same type respectively with another two side stand of high-temperature-resisting silicon rubber roller.
5～15 millimeters of described hot-rolling wall thickness, 300～450 millimeters of external diameters, material is the nickel-base alloy steel.
The electric heating tube radical of described hot-rolling inside is 12～20.
The utility model is compared the beneficial effect that has with background technology:
1) the solidification equipment floor space in the utility model is little, and temperature-responsive is fast, and temperature can in time be adjusted, and the hot-rolling surface temperature can be up to 450 ℃, the heat transfer efficiency height, and it is low to consume energy.
2) solidification equipment in the utility model belongs to the contact curing mode, can improve the uniformity of monolithic film membrane.
3) heat composite apparatus in the utility model can be used for the hot compound of polytetrafluoroethylene film and backing material, has overcome adhesive high temperature ageing problem, also can reduce compound cost.
4) do not use adhesive, the environmental pollution of having avoided adhesive to bring because of heat is compound.
Description of drawings
Fig. 1 is the sectional view of solidification equipment.
Fig. 2 is the schematic diagram of heat composite apparatus.
Fig. 3 is the local amplification profile of Fig. 1 solidification equipment.
Fig. 4 is the hot-rolling amplification profile of Fig. 1 solidification equipment.
Among the figure: 1, hot-rolling, 2, electric heating tube, 3, lead, 4, conductive plate, 5, the friction electric installation, 6, support, 7, bearing, 8, the high-temperature-resisting silicon rubber roller, 9, spring, 10, rotating shaft, 11, support, 12, rotating shaft.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the utility model patent is described further.
Embodiment 1:
Polytetrafluoroethylfilm film hardening uses device referring to Fig. 1, Fig. 3 and shown in Figure 4.The polytetrafluoroethylfilm film hardening device has hot-rolling 1,5 millimeters of hot-rolling 1 wall thickness, and 300 millimeters of external diameters, material is the nickel-base alloy steel.By 12 electric heating tubes, 2 heating that are placed on hot-rolling 1 inside.Described electric heating tube is in the first-class packing of same circumference of hot-rolling 1 inside, and electric heating tube one end is connected with conductive plate 4 by lead 3, and all electric heating tubes 2 are and are connected in parallel, and an end connects the positive pole of power supply, and the other end connects power cathode.Described hot-rolling 1 rotates synchronously with conductive plate 4, and two conductive plates 4 are installed in respectively in the both sides rotating shaft 10, and conductive plate is provided with friction electric installation 5, and in hot-rolling 1 and the conductive plate 4 synchronous rotation processes, electric installation 5 makes electrothermal tube 2 and power connection by friction.By control circuit control hot-rolling surface temperature, this circuit is that common control circuit is not exhaustive at this.Described hot-rolling 1 both sides are connected on the bearing 7 that is embedded in the support 6, and a is an oil-in, and b is an oil return opening, and support 6 is fixed in ground.Employed voltage is 380 volts in the utility model, and surface temperature control is at 400 ℃, the polytetrafluoroethylene film operation that rubs above hot-rolling 1,9 meters/minute of the film speeds of service.More than device and condition setting can be used for the curing of polytetrafluoroethylene film.
The high-temperature dust removal bag heat composite apparatus (see figure 2) of coated filter material.This device is on the basis of above-mentioned polytetrafluoroethylfilm film hardening device, and a high-temperature-resisting silicon rubber roller 8 is set above hot-rolling 1, can long-time running under 450 ℃ high temperature, and aging, 300 millimeters of external diameters.The 8 both sides rotating shafts 12 of high-temperature-resisting silicon rubber roller are embedded on another bearing 7 in another two side stand 11, and 8 liang of side stands 11 of 1 liang of side stand 6 of hot-rolling and high-temperature-resisting silicon rubber roller are connected with spring of the same type 9 respectively.When not using, spring 9 is in relaxed state, jack-up high-temperature-resisting silicon rubber roller 8.During use, by being arranged on the air pump pressurization of high-temperature-resisting silicon rubber roller 8 tops, compression spring 9 makes high-temperature-resisting silicon rubber roller 8 contact with hot-rolling 1, when hot-rolling 1 rotates, drives high-temperature-resisting silicon rubber roller 8 and rotates simultaneously.Film and backing material feed simultaneously, and it is 8 kg/cm that adjustment air pump pressure makes pressure, are 400 ℃ by control circuit control hot-rolling 1 surface temperature, and the rotating speed of adjusting hot-rolling 1 is 10 meters/minute.Feed polytetrafluoroethylene film and fiberglass needled mat backing material simultaneously, material bonds together backing material and tetrafluoroethene film under pressure and high temperature, and this materials processing can be used for the high-temperature dust removal bag after becoming definite shape.
Embodiment 2:
Polytetrafluoroethylfilm film hardening uses device referring to Fig. 1, Fig. 3 and shown in Figure 4.The polytetrafluoroethylfilm film hardening device has hot-rolling 1,15 millimeters of hot-rolling 1 wall thickness, and 450 millimeters of external diameters, material is the nickel-base alloy steel.By 20 electric heating tubes, 2 heating that are placed on hot-rolling 1 inside.Described electric heating tube 2 is in the first-class packing of same circumference of hot-rolling 1 inside, and electric heating tube one end is connected with conductive plate 4 by lead 3, and all electric heating tubes 2 are and are connected in parallel, and an end connects the positive pole of power supply, and the other end connects power cathode.Described hot-rolling 1 rotates synchronously with conductive plate 4, and two conductive plates 4 are installed in respectively in the both sides rotating shaft 10, and conductive plate is provided with friction electric installation 5, and in hot-rolling 1 and the conductive plate 4 synchronous rotation processes, electric installation 5 makes electrothermal tube 2 and power connection by friction.By control circuit control hot-rolling surface temperature, this circuit is that common control circuit is not exhaustive at this.Described hot-rolling 1 both sides are connected on the bearing 7 that is embedded in the support 6, and a is an oil-in, and b is an oil return opening, and support 6 is fixed in ground.Employed voltage is 380 volts in the utility model, and surface temperature control is at 380 ℃, makes polyurethane-polytetrafluoroethylene (PTFE) polytetrafluoroethylene film side that stretches jointly in the composite membrane be close to hot-rolling 1, friction operation, 6 meters/minute of the film speeds of service.More than device and condition setting can be used for stretch the jointly curing of composite membrane of polyurethane-polytetrafluoroethylene (PTFE).
The high-temperature dust removal bag is with the heat composite apparatus (seeing shown in Figure 2) of coated filter material.This device is on the basis of above-mentioned polytetrafluoroethylfilm film hardening device, and a high-temperature-resisting silicon rubber roller 8 is set above hot-rolling 1, can long-time running under 450 ℃ high temperature, and aging, 450 millimeters of external diameters.The 8 both sides rotating shafts 12 of high-temperature-resisting silicon rubber roller are embedded on another bearing 7 in another two side stand 11, and 8 liang of side stands 11 of 1 liang of side stand 6 of hot-rolling and high-temperature-resisting silicon rubber roller are connected with spring of the same type 9 respectively.。When not using, spring 9 is in relaxed state, jack-up high-temperature-resisting silicon rubber roller 8.During use, by being arranged on the air pump pressurization of high-temperature-resisting silicon rubber roller 8 tops, compression spring 9 makes high-temperature-resisting silicon rubber roller 8 contact with hot-rolling 1, when hot-rolling 1 rotates, drives high-temperature-resisting silicon rubber roller 8 and rotates simultaneously.Film and backing material feed simultaneously, and it is 6 kg/cm that adjustment air pump pressure makes pressure, are 420 ℃ by control circuit control hot-rolling 1 surface temperature, and the rotating speed of adjusting hot-rolling 1 is 12 meters/minute.Feed polytetrafluoroethylene film and polyphenylene sulfide fibre Nomex backing material simultaneously, material bonds together backing material and tetrafluoroethene film under pressure and high temperature, and this materials processing can be used for the high-temperature dust removal bag after becoming definite shape.
The above-mentioned specific embodiment is used for the utility model of explaining; rather than the utility model limited; in the protection domain of spirit of the present utility model and claim, any modification and change to the utility model is made all fall into protection domain of the present utility model.
Claims (3)
1. one kind is used for polytetrafluoroethylfilm film hardening and heat composite apparatus, it is characterized in that comprising:
A. polytetrafluoroethylfilm film hardening device: the first-class branch of same circumference inner at hot-rolling (1) is equipped with electric heating tube (2), hot-rolling (1) both sides rotating shaft is embedded on the interior bearing (7) of two side stands (6), two conductive plates (4) are installed in respectively in the both sides rotating shaft (10), electric heating tube (2) one ends are connected with conductive plate (4) by lead (3), all electric heating tubes (2) are and are connected in parallel, one end connects the positive pole of power supply, the other end connects power cathode, described hot-rolling (1) rotates synchronously with conductive plate (4), and conductive plate (4) is provided with friction electric installation (5);
B. the high-temperature dust removal bag is with the heat composite apparatus of coated filter material: in hot-rolling (1) top one high-temperature-resisting silicon rubber roller (8) is set, outside dimension and hot-rolling (1) are identical, high-temperature-resisting silicon rubber roller (8) both sides rotating shaft (12) is embedded on interior another bearing (7) of another two side stand (11), and another two side stand (6) of hot-rolling (1) uses spring of the same type (9) to be connected respectively with another two side stand (11) of high-temperature-resisting silicon rubber roller (8).
2. according to a kind of polytetrafluoroethylfilm film hardening and the heat composite apparatus of being used for described in the claim 1, it is characterized in that: 5～15 millimeters of described hot-rolling (1) wall thickness, 300～450 millimeters of external diameters, material is the nickel-base alloy steel.
3. according to a kind of polytetrafluoroethylfilm film hardening and the heat composite apparatus of being used for described in the claim 1, it is characterized in that: the inner electric heating tube radical of described hot-rolling (1) is 12～20.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620140562 CN200977712Y (en) | 2006-11-30 | 2006-11-30 | Curing and heat composite device for polytetrafluoroethene thin film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620140562 CN200977712Y (en) | 2006-11-30 | 2006-11-30 | Curing and heat composite device for polytetrafluoroethene thin film |
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| Publication Number | Publication Date |
|---|---|
| CN200977712Y true CN200977712Y (en) | 2007-11-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620140562 Expired - Lifetime CN200977712Y (en) | 2006-11-30 | 2006-11-30 | Curing and heat composite device for polytetrafluoroethene thin film |
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| Country | Link |
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| CN (1) | CN200977712Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102358051A (en) * | 2011-06-08 | 2012-02-22 | 北京莱盛高新技术有限公司 | Continuous uniform rotating illumination device for surface treatment of rubber rollers |
| CN109016280A (en) * | 2018-06-26 | 2018-12-18 | 于浩淼 | A kind of environment-friendly aluminum-plastic composite membrane solidification equipment |
-
2006
- 2006-11-30 CN CN 200620140562 patent/CN200977712Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102358051A (en) * | 2011-06-08 | 2012-02-22 | 北京莱盛高新技术有限公司 | Continuous uniform rotating illumination device for surface treatment of rubber rollers |
| CN102358051B (en) * | 2011-06-08 | 2013-10-30 | 北京莱盛高新技术有限公司 | Continuous uniform rotating illumination device for surface treatment of rubber rollers |
| CN109016280A (en) * | 2018-06-26 | 2018-12-18 | 于浩淼 | A kind of environment-friendly aluminum-plastic composite membrane solidification equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20091104 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |