CN103273717A - Hot-pressing compound device and method for producing membrane filter material - Google Patents
Hot-pressing compound device and method for producing membrane filter material Download PDFInfo
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- CN103273717A CN103273717A CN201310173196XA CN201310173196A CN103273717A CN 103273717 A CN103273717 A CN 103273717A CN 201310173196X A CN201310173196X A CN 201310173196XA CN 201310173196 A CN201310173196 A CN 201310173196A CN 103273717 A CN103273717 A CN 103273717A
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Abstract
The invention discloses a hot-pressing compound device which comprises a rack and a hot pressing mechanism arranged on the rack and used for hot-pressing and compounding a PTFE (Poly Tetra Fluoro Ethylene) film and a piece of glass fiber cloth, wherein the hot-pressing mechanism comprises a heating roll and a pressing roll which are arranged in parallel correspondingly, a feeding mechanism used for feeding the PTFE film to the hot pressing mechanism and a guide roll used for outputting a membrane filter material formed by the hot pressing and the compounding are respectively arranged at the upper side and the lower side of the hot pressing mechanism, and the PTEF film positioned between the guide roll and the feeding mechanism is in line contact hot-pressing compounding with the roll surface of the heating roll. The PTFE film between the guide roll and the supply mechanism is in line contact with the roll surface of the heating roll in the hot pressing and compounding manner, and therefore, the PTFE film is subjected to rapid hot pressing compounding with base layer fiber cloth, and the microporosity and the high air permeability of the PTFE film can be kept, and further the prepared membrane filter material is high in air permeability and good in dust removal effect.
Description
Technical field
The present invention relates to the coated filter material production field, the method that is specifically related to a kind of hot pressing equipment complex and produces coated filter material.
Background technology
Coated filter material is to be raw material with the polytetrafluoroethylene (PTFE), with a kind of PTFE film with microporosity of its expanded one-tenth, this PTFE film is laminated with a kind of novel filter material that forms at base materials such as glass fabrics with special process.This coated filter material has the peel strength height, Air permenbility is big, resistance is little, pore-size distribution is concentrated characteristics such as even, as dust-removal cloth-bag or pleat formula dedusting filter cylinder, be installed in the cleaner, can hold back ultrafine dust quickly and effectively, efficiency of dust collection reaches more than 99.99%.Therefore be widely used aspect industrial dust filtration and the material recovery.
The hot pressing combination process is mainly adopted in coated filter material production, and namely the mode by hot pressing makes PTFE film and glass fabric chimeric mutually.And at present for PTFE film and glass fabric hot pressing equipment complex, as shown in Figure 1, two nip rolls 2 that comprise warm-up mill 1 and 1 liang of arranged outside of warm-up mill, warm-up mill 1 is fixed on the frame with nip rolls 2 parallel rotation, by in PTFE film A and the glass fabric B course of conveying warm-up mill 1 being coated, wrap angle θ〉0 °, two nip rolls 2 are used for covering PTFE film A and glass fabric B and warm-up mill 1 and fit, thus the hot pressing between realization PTFE film A and the glass fabric B is compound.Though this kind hot pressing equipment complex can realize that the hot pressing between PTFE film A and the glass fabric B is compound, the permeability of the coated filter material of its preparation is poor, takes off the dirt weak effect or can't play the effect of effectively taking off dirt.
Summary of the invention
Primary and foremost purpose of the present invention provides a kind of hot pressing equipment complex, and the permeability of the coated filter material that it is prepared is good, can effectively play the effect of taking off dirt.
Its scheme of taking is: a kind of hot pressing equipment complex, it is characterized in that: comprise the hot pressing mechanism that is used for the compound PTFE film of hot pressing and glass fabric that arranges on frame and the frame, described hot pressing mechanism comprises the corresponding warm-up mill that be arranged in parallel and pressure roller, the upper and lower side of described hot pressing mechanism arranges to the feeding machanism of hot pressing mechanism supply PTFE film respectively and the deflector roll that is used for the coated filter material that output hot pressing is compounded to form, and it is compound that the PTFE film between deflector roll and feeding machanism and warm-up mill roll surface are that line contacts hot pressing.
It is compound to be by the PTFE film between deflector roll and the feeding machanism and warm-up mill roll surface that line contacts hot pressing, so both can make that PTFE film and the hot pressing fast of basic unit's fiber cloth were compound, microporosity, the highly-breathable that can keep the PTFE film again, thereby gas permeability height, the good dedusting effect of the feasible coated filter material that makes.
Another object of the present invention provides a kind of method of utilizing this hot pressing equipment complex to produce coated filter material, be PTFE film and glass fabric to be imported hot pressing mechanism to carry out hot pressing compound, the transporting velocity of control PTFE film and glass fabric is 3.5～4.0m/s; The roll surface temperature of warm-up mill is 358～362 ℃.
Description of drawings
Fig. 1 is traditional hot pressing equipment complex;
Fig. 2 is structural representation of the present invention;
Fig. 3 is the structural representation of pressure roller;
Fig. 4 is the structural representation of tensioning guide roller;
Fig. 5 is the cross section structure schematic diagram of PTFE film.
The specific embodiment
Carrying out a large amount of experimental analyses by the coated filter material to traditional hot pressing equipment complex production obtains: can effectively compound and not change highly-breathable and the dedusting of PTFE film A self between PTFE film A and the basic unit's fiber cloth, need to guarantee in the compound temperature certain limit of hot pressing, temperature is too high to cause PTFE film A that slaking takes place easily, temperature cross low both can't be effectively compound.Though and traditional hot pressing equipment complex can be realized the compound temperature of hot pressing is control effectively, to carry out hot pressing compound but it is owing to adopt nip rolls 2 to cover outer surface that PTFE film A and glass fabric B be coated on warm-up mill 2, be that PTFE film A is that face contacts with warm-up mill 2 roll surfaces, and the transfer rate of PTFE film A is limited, so just appear 2 pairs of PTFE films of warm-up mill A heat time heating time long (being that PTFE film A contacts overstand with warm-up mill 2 roll surfaces), specifically as shown in Figure 1, make PTFE film A be heated slaking, make that its microporosity is destroyed, so the coated filter material that makes does not have gas permeability or permeability is lowered, and takes off the dirt weak effect and maybe can't play the effect of effectively taking off dirt.
And the scheme that the present invention takes, as shown in Figure 2: a kind of hot pressing equipment complex, comprise the hot pressing mechanism that is used for hot pressing compound PTFE film A and glass fabric B that arranges on frame 10 and the frame 10, described hot pressing mechanism comprises the corresponding warm-up mill that be arranged in parallel 11 and pressure roller 12, on the described hot pressing mechanism, downside arranges to the feeding machanism of hot pressing mechanism supply PTFE film A respectively and the deflector roll 13 that is used for the coated filter material that output hot pressing is compounded to form, and it is compound that the PTFE film A between deflector roll 13 and feeding machanism and warm-up mill 11 roll surfaces are that line contacts hot pressing.Here the line of indication contact hot pressing is compound to refer to that the PTFE film A that pressing is heated between pressure roller 12 and the warm-up mill 11 is that line contacts with the roll surface of warm-up mill 11, and surface that can the similar PTFE of regarding as film A and the roll surface of warm-up mill 11 are tangent relation.The roll surface of PTFE film A and warm-up mill 11 is short time of contact like this, PTFE film A and glass fabric B are compound and be output by hot pressing fast in hot pressing mechanism, thereby guarantee the original characteristic of PTFE film A, the gas permeability height of the feasible coated filter material that makes, dust removal ability is strong.We can say that the present invention has overcome conventional art prejudice, reduce the compound time of hot pressing, obtained better effect.When using the present invention to produce coated filter material, be PTFE film A and glass fabric B to be imported hot pressing mechanism to carry out hot pressing compound, the transporting velocity of controlling PTFE film A and glass fabric B is 3.5～4.0m/s; The temperature of warm-up mill 11 roll surfaces is 358～362 ℃.
Concrete scheme is, shown in Fig. 2,4, described feeding machanism be arranged on hot pressing mechanism upside, comprise the tensioning guide roller 14 that the PTFE film A to carrying that arranges for the supporting material roller 17 of bracketing PTFE film A reel material and between supporting material roller 17 and warm-up mill 11 carries out tensioning therebetween, it is compound that the PTFE film A between tensioning guide roller 14 and deflector roll 13 and warm-up mill 11 roll surfaces are that line contacts hot pressing.The fold phenomenon appears on the glass fabric B for preventing that PTFE film A hot pressing is compounded in, and the effective conveying that guarantees PTFE film A, therefore tensioning guide roller 14 is arranged to the curved arc shape, the two ends rotational fixation of tensioning guide roller 14 on frame 10 and the rotation direction of tensioning guide roller 14 consistent with the rotation direction of pressure roller 12, frame 10 is provided with regulates the governing mechanism of tension that tensioning guide roller 14 rotates.Because the thickness of PTFE film A material limit portion is greater than the thickness at its middle part, its cross section structure as shown in Figure 5, the curved arc shape tensioning guide roller 14 of She Zhiing just can carry out effective tensioning adjusting to the conveying of PTFE film A like this, guarantees the conveying of PTFE film A and prevents that the fold phenomenon from appearring in the hot pressing compound tense.The outer side surface of tensioning guide roller 14 preferably adopts elastic foam material to constitute, and has obtained best tensioning adjusting and has prevented that PTFE film A is impaired.
More specifically scheme is, shown in Fig. 2,3, also is provided with the distance regulating mechanism of regulating spacing between warm-up mill 11 and the pressure roller 12 on the described frame 10.Described pressure roller 12 is that a hollow axis body constitutes, and the outer side surface of axis body is provided with layer of silica gel 121, and the internal cavities of axis body is configured for holding the cold fluid that coated filter material is cooled off.The two ends rotational fixation of pressure roller 12 is on the movable axis bearing, described distance regulating mechanism comprises that middle part and frame constitute first swing arm that is articulated and connected 16 and drive the oil cylinder 15 that swing arm 16 is swung, one end of swing arm 16 and movable axis bearing Joint are one, the piston rod of the other end and oil cylinder 15 constitutes second and is articulated and connected, the cylinder body of oil cylinder 15 and frame 10 constitute the 3rd and are articulated and connected, the flexible direction of the piston rod of oil cylinder 15 and axially being arranged vertically of pressure roller 12 constitute first, two, three jointed shafts that are articulated and connected axially all with pressure roller 12 axially parallel layout.Distance regulating mechanism mainly is to regulate pressure roller 12 in the compress degree of hot pressing compound tense to PTFE film A and glass fabric B, the intensity of PTFE film A and glass fabric B in the assurance coated filter material, improve the intensity of coated filter material, and the distance regulating mechanism of above-mentioned formation can be realized accurate adjusting the fast to spacing between warm-up mill 11 and the pressure roller 12, guarantees product quality.In addition, the setting of governor motion also is for the ease of before the start of hot pressing equipment complex PTFE film A and glass fabric B being inserted hot pressing mechanism.It mainly is the conveying capacity that improves glass fabric B that layer of silica gel 121 is set on the outer side surface with pressure roller 12, and the cold fluid of pressure roller 12 inner chamber settings can cool off fast to coated filter material, prevent PTFE film A slaking, guarantee highly-breathable and the dust suction of coated filter material.Also can guide roller 18,19 be set respectively on frame 10 in concrete enforcement in addition, be convenient to the access of glass fabric B and the output of coated filter material.
Certainly, also can utilize the present invention compound to the hot pressing between various chemical fibre base cloths (polyphenylene sulfide, polyimide fiber, aramid fiber) and the PTFE film A, in a word, utilize the gas permeability height of the coated filter material that the present invention prepares, it is effective to take off dirt.
Claims (8)
1. hot pressing equipment complex, it is characterized in that: comprise that frame (10) and frame (10) go up the hot pressing mechanism that is used for hot pressing compound PTFE film A and glass fabric B that arranges, described hot pressing mechanism comprises the corresponding warm-up mill that be arranged in parallel (11) and pressure roller (12), on the described hot pressing mechanism, downside arranges to the feeding machanism of hot pressing mechanism supply PTFE film A respectively and the deflector roll (13) that is used for the coated filter material that output hot pressing is compounded to form, and is positioned at PTFE film A and warm-up mill (11) roll surface between deflector roll (13) and the feeding machanism and is that line contacts hot pressing is compound.
2. hot pressing equipment complex as claimed in claim 1, it is characterized in that: described feeding machanism be arranged on hot pressing mechanism upside, comprise for the supporting material roller (17) of bracketing PTFE film A reel material and be positioned at supporting material roller (17) and warm-up mill (11) between the PTFE film A to carrying therebetween that the arranges tensioning guide roller (14) that carries out tensioning, be positioned at PTFE film A and warm-up mill (11) roll surface between tensioning guide roller (14) and the deflector roll (13) and be that line contacts hot pressing is compound.
3. hot pressing equipment complex as claimed in claim 2, it is characterized in that: described tensioning guide roller (14) is the curved arc shape, the two ends rotational fixation of tensioning guide roller (14) rotation direction last in frame (10) and tensioning guide roller (14) is consistent with the rotation direction of pressure roller (12), and frame (10) is provided with regulates the governing mechanism of tension that tensioning guide roller (14) rotates.
4. hot pressing equipment complex as claimed in claim 1 is characterized in that: also be provided with the distance regulating mechanism of regulating spacing between warm-up mill (11) and the pressure roller (12) on the described frame (10).
5. hot pressing equipment complex as claimed in claim 1, it is characterized in that: described pressure roller (12) is that a hollow axis body constitutes, the outer side surface of axis body is provided with layer of silica gel (121), and the internal cavities of axis body is configured for holding the cold fluid that coated filter material is cooled off.
6. hot pressing equipment complex as claimed in claim 4, it is characterized in that: the two ends rotational fixation of pressure roller (12) is on the movable axis bearing, described distance regulating mechanism comprises that middle part and frame constitute first swing arm that is articulated and connected (16) and drive the oil cylinder (15) that swing arm (16) is swung, one end of swing arm (16) and movable axis bearing Joint are one, the piston rod of the other end and oil cylinder (15) constitutes second and is articulated and connected, the cylinder body of oil cylinder (15) and frame (10) constitute the 3rd and are articulated and connected, axially being arranged vertically of the flexible direction of the piston rod of oil cylinder (15) and pressure roller (12) constitutes first, two, three jointed shafts that are articulated and connected axially all with pressure roller (12) axially parallel layout.
7. as claim 2 or 3 described hot pressing equipment complexes, it is characterized in that: the outer side surface of described tensioning guide roller (14) is that elastic foam material constitutes.
8. any method that described hot pressing equipment complex is produced coated filter material in a utilization such as the claim 1～7, it is characterized in that: PTFE film A and glass fabric B are imported hot pressing mechanism, and to carry out hot pressing compound, and the transporting velocity of control PTFE film A and glass fabric B is 3.5～4.0m/s; The roll surface temperature of warm-up mill (11) is 358～362 ℃.
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| CN201310173196.XA CN103273717B (en) | 2013-05-10 | 2013-05-10 | The method of hot pressing equipment complex and production coated filter material thereof |
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| CN201310173196.XA CN103273717B (en) | 2013-05-10 | 2013-05-10 | The method of hot pressing equipment complex and production coated filter material thereof |
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| CN103273717A true CN103273717A (en) | 2013-09-04 |
| CN103273717B CN103273717B (en) | 2016-01-06 |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104310112A (en) * | 2014-09-29 | 2015-01-28 | 青岛正沃机械设备科技有限公司 | Automatic transfer printing, film sticking and material collecting device of stacked zip fasteners |
| CN105365331A (en) * | 2015-12-02 | 2016-03-02 | 盐城工学院 | Closed cooling single and double side glass fabric film laminating machine |
| CN109049664A (en) * | 2018-07-23 | 2018-12-21 | 平湖市品耀机器自动化有限公司 | A kind of film positioning mechanism for laminating machine |
| CN110001164A (en) * | 2019-04-14 | 2019-07-12 | 广州恒荣电子科技有限公司 | A kind of high temperature resistant hot pressing padded coaming |
| CN110182637A (en) * | 2019-07-15 | 2019-08-30 | 东营市劲吉箱包有限公司 | One kind being packed for automatic mulch applicator |
| CN111660646A (en) * | 2020-05-28 | 2020-09-15 | 南京玻璃纤维研究设计院有限公司 | Method for preparing filter material by hot-pressing and laminating PTFE (polytetrafluoroethylene) membrane and glass fiber cloth and membrane laminating machine |
| CN112776451A (en) * | 2020-12-21 | 2021-05-11 | 无锡市鼎麒新材料科技有限公司 | Carbon fiber woven fabric pre-impregnation film laminating system and production process method thereof |
| CN114834051A (en) * | 2022-03-22 | 2022-08-02 | 江苏润众环保材料有限公司 | High-temperature film covering device of PTFE filter bag for flue gas emission system |
| CN115284719A (en) * | 2022-08-17 | 2022-11-04 | 北京化工大学 | Device and method for preparing waterproof and moisture permeable TPU composite film |
| CN109049664B (en) * | 2018-07-23 | 2024-04-26 | 浙江汉脑数码科技有限公司 | Film positioning mechanism for film laminating machine |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104310112B (en) * | 2014-09-29 | 2016-07-06 | 青岛正沃机械设备科技有限公司 | A kind of code installs zipper automatic transfer pasting membrane material collecting device |
| CN104310112A (en) * | 2014-09-29 | 2015-01-28 | 青岛正沃机械设备科技有限公司 | Automatic transfer printing, film sticking and material collecting device of stacked zip fasteners |
| CN105365331A (en) * | 2015-12-02 | 2016-03-02 | 盐城工学院 | Closed cooling single and double side glass fabric film laminating machine |
| CN105365331B (en) * | 2015-12-02 | 2017-09-26 | 盐城工学院 | A kind of closed cooling type single, double surface glass-fiber-fabric laminating machine |
| CN109049664B (en) * | 2018-07-23 | 2024-04-26 | 浙江汉脑数码科技有限公司 | Film positioning mechanism for film laminating machine |
| CN109049664A (en) * | 2018-07-23 | 2018-12-21 | 平湖市品耀机器自动化有限公司 | A kind of film positioning mechanism for laminating machine |
| CN110001164A (en) * | 2019-04-14 | 2019-07-12 | 广州恒荣电子科技有限公司 | A kind of high temperature resistant hot pressing padded coaming |
| CN110182637A (en) * | 2019-07-15 | 2019-08-30 | 东营市劲吉箱包有限公司 | One kind being packed for automatic mulch applicator |
| CN110182637B (en) * | 2019-07-15 | 2019-12-10 | 诸暨市智盈智能技术服务部 | automatic film laminating machine for packaging |
| CN111660646A (en) * | 2020-05-28 | 2020-09-15 | 南京玻璃纤维研究设计院有限公司 | Method for preparing filter material by hot-pressing and laminating PTFE (polytetrafluoroethylene) membrane and glass fiber cloth and membrane laminating machine |
| CN111660646B (en) * | 2020-05-28 | 2022-02-15 | 南京玻璃纤维研究设计院有限公司 | Method for preparing filter material by hot-pressing and laminating PTFE (polytetrafluoroethylene) membrane and glass fiber cloth and membrane laminating machine |
| CN112776451A (en) * | 2020-12-21 | 2021-05-11 | 无锡市鼎麒新材料科技有限公司 | Carbon fiber woven fabric pre-impregnation film laminating system and production process method thereof |
| CN114834051A (en) * | 2022-03-22 | 2022-08-02 | 江苏润众环保材料有限公司 | High-temperature film covering device of PTFE filter bag for flue gas emission system |
| CN115284719A (en) * | 2022-08-17 | 2022-11-04 | 北京化工大学 | Device and method for preparing waterproof and moisture permeable TPU composite film |
| CN115284719B (en) * | 2022-08-17 | 2023-11-07 | 北京化工大学 | Waterproof and moisture permeable TPU composite film preparation device and method |
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Effective date of registration: 20191008 Address after: 245061 Fushan Road, Huizhou District, Huangshan City, Anhui Province Patentee after: Mount Huangshan Wuji snow Food Co., Ltd. Address before: 245900, Fu Shan Road, Chengbei Industrial Zone, Huizhou District, Huangshan City, Anhui Patentee before: Anhui Jielv Environmental Protection Science & Technology Co., Ltd. |
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