CN203061067U - Polytetrafluoroethylene microporous membrane transverse W-shaped expansion device capable of realizing online automatic detection control - Google Patents
Polytetrafluoroethylene microporous membrane transverse W-shaped expansion device capable of realizing online automatic detection control Download PDFInfo
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- CN203061067U CN203061067U CN 201320068565 CN201320068565U CN203061067U CN 203061067 U CN203061067 U CN 203061067U CN 201320068565 CN201320068565 CN 201320068565 CN 201320068565 U CN201320068565 U CN 201320068565U CN 203061067 U CN203061067 U CN 203061067U
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Abstract
The utility model relates to a polytetrafluoroethylene microporous membrane expansion device. A polytetrafluoroethylene microporous membrane transverse W-shaped expansion device capable of realizing online automatic detection control is characterized by comprising 2-30 transverse W-shaped expansion mechanisms, wherein the 2-30 transverse W-shaped expansion mechanisms are arranged along a stretching section of a transverse stenter; each transverse W-shaped expansion mechanism comprises an upper pressure wheel mechanism and a lower pressure wheel mechanism; the upper pressure wheel mechanism comprises an upper pressure wheel shaft, multiple upper pressure wheels and an upper pressure wheel lifting mechanism; the upper pressure wheels are arranged on the upper pressure wheel shaft; the two end parts of the upper pressure wheel shaft are connected with the upper pressure wheel lifting mechanism through a bearing respectively; the upper pressure wheels are located above a polytetrafluoroethylene microporous membrane through line of the stretching section of the transverse stenter; the lower pressure wheel mechanism is located below the upper pressure wheel mechanism; and the lower pressure wheel and the upper pressure wheel are axially staggered. The device provided by the utility model can realize good uniformity of pore size and thickness of the polytetrafluoroethylene microporous membrane during transverse stretching of polytetrafluoroethylene microporous membrane.
Description
Technical field
The utility model relates to microporous teflon membran expanding device.
Background technology
For a long time, because the dust thing that industrial production produces and the soot emissions in the chimney have caused air in atmosphere severe contamination, have a strong impact on for people's healthy causing, microporous teflon membran is owing to have high temperature resistant, acid and alkali-resistance, be difficult for smooth sticking, the characteristics such as percent opening is high, the aperture is little of aging, face, film forming back aperture little (can reach 0.2um) porosity height (being up to 85%), it is the filtration that purifies air, administers air pollution optimal filtering material, particularly high-temperature smoke.But since microporous teflon membran aborning the inhomogeneities during cross directional stretch cause the aperture inhomogeneities of microporous teflon membran and the inhomogeneities of thickness, the particularly local increase in aperture, percent opening descend, and have seriously influenced the extensive use of microporous teflon membran in the fields such as filtration of air cleaning, dust-filtering, particularly high-temperature smoke.
Summary of the invention
But the purpose of this utility model is to provide a kind of horizontal W shape of microporous teflon membran expanding device of online automatic detection control, when this device can be realized the microporous teflon membran cross directional stretch, the aperture uniformity of microporous teflon membran and the good uniformity of thickness.
To achieve these goals, technical solution adopted in the utility model is: but the horizontal W shape of the microporous teflon membran expanding device of online automatic detection control, it is characterized in that it comprises 2-30 laterally W shape expanding mechanism, the individual laterally W shape expanding mechanism of the 2-30 edge laterally stretch section of stenter is arranged; Described horizontal W shape expanding mechanism comprises upper pressure wheel mechanism and lower pressure wheel mechanism, described upper pressure wheel mechanism comprises upper pressure wheel axle, a plurality of upper pressure wheel, upper pressure wheel elevating mechanism, a plurality of upper pressure wheels are arranged on the upper pressure wheel axle, the both ends of upper pressure wheel axle are linked to each other with the upper pressure wheel elevating mechanism by bearing respectively, and a plurality of upper pressure wheels are positioned at the top of microporous teflon membran by line of the stretch section of horizontal stenter;
Lower pressure wheel mechanism be positioned at upper pressure wheel mechanism under, lower pressure wheel mechanism comprises and presses down wheel shaft, a plurality of lower pressure wheel, lower pressure wheel elevating mechanism, a plurality of lower pressure wheels are arranged on and press down on the wheel shaft, the both ends that press down wheel shaft are linked to each other with the lower pressure wheel elevating mechanism by bearing respectively, a plurality of lower pressure wheels are positioned at the below of microporous teflon membran by line of the stretch section of horizontal stenter, and lower pressure wheel and upper pressure wheel are staggeredly arranged.
One end of described upper pressure wheel axle is linked to each other by the output shaft of shaft coupling with upper pressure wheel axis drive motor (can adopt variable-frequency motor).
A described end that presses down wheel shaft is linked to each other by the output shaft of shaft coupling with lower pressure wheel axis drive motor (can adopt variable-frequency motor).
But the horizontal W shape of the microporous teflon membran expanding device of described online automatic detection control also comprises the thickness measurement online regulation device, and the thickness measurement online regulation device is arranged on after last horizontal W shape expanding mechanism; Described thickness measurement online regulation device comprises thickness regulating and controlling mechanism, calibrator, control circuit, calibrator is positioned at after the thickness regulating and controlling mechanism, the output of calibrator is linked to each other with the signal input part of control circuit by holding wire, and the control output end of control circuit is linked to each other with regulation and control motor, the active rotation motor of thickness regulating and controlling mechanism by lead; Described thickness regulating and controlling mechanism comprises rise seamless wheel mechanism and downward modulation seamless wheel mechanism;
Described rise seamless wheel mechanism comprises crossbeam, support arm, rise seamless wheel, the regulation and control motor, by movable sprocket, screw rod, nut, drive sprocket, chain, the active rotation axle, support arm, rise seamless wheel, the regulation and control motor, by movable sprocket, screw rod, nut, drive sprocket, the number of chain is identical and be a plurality of, be arranged on the same passive rotating shaft by movable sprocket and rise seamless wheel, this passive rotating shaft is arranged on an end of support arm by bearing, the middle part of support arm is hinged on the active rotation axle, the active rotation axle is arranged on the crossbeam by bearing, the other end of support arm fixedly has nut, one end of screw rod screws in the nut, the other end of screw rod is linked to each other by the output shaft of shaft coupling with the regulation and control motor, the regulation and control motor is fixed on the crossbeam, drive sprocket is arranged on the active rotation axle, the active rotation axle links to each other with the output shaft of active rotation motor (can adopt variable-frequency motor), drive sprocket with linked to each other by chain by movable sprocket, raise the top of microporous teflon membran by line that the seamless wheel is positioned at the stretch section of horizontal stenter;
Downward modulation seamless wheel mechanism is positioned at the below of raising the seamless wheel mechanism;
Described downward modulation seamless wheel mechanism comprises crossbeam, support arm, downward modulation seamless wheel, the regulation and control motor, by movable sprocket, screw rod, nut, drive sprocket, chain, the active rotation axle, support arm, downward modulation seamless wheel, the regulation and control motor, by movable sprocket, screw rod, nut, drive sprocket, the number of chain is identical and be a plurality of, be arranged on the same passive rotating shaft by movable sprocket and downward modulation seamless wheel, this passive rotating shaft is arranged on an end of support arm by bearing, the middle part of support arm is hinged on the active rotation axle, the active rotation axle is arranged on the crossbeam by bearing, the other end of support arm fixedly has nut, one end of screw rod screws in the nut, the other end of screw rod is linked to each other by the output shaft of shaft coupling with the regulation and control motor, the regulation and control motor is fixed on the crossbeam, drive sprocket is arranged on the active rotation axle, the active rotation axle links to each other with the output shaft of active rotation motor (can adopt variable-frequency motor), drive sprocket with linked to each other by chain by movable sprocket, reduce seamless and take turns the microporous teflon membran of the stretch section that is positioned at horizontal stenter by the below of line, downward modulation seamless wheel is taken turns with the rise seamless and is staggeredly arranged.
Disposed at equal distance between described a plurality of upper pressure wheel, the disposed at equal distance between a plurality of lower pressure wheels.The arrangement pitches of two adjacent upper pressure wheels, two adjacent lower pressure wheels is 70mm-300mm, and the best is got 100mm.Spacing and chain contained side spacing at the pinch roller of two chain contained sides should be 1/2 spacing.
The external diameter of described upper pressure wheel and lower pressure wheel is bright and clean arc surface, wheel footpath 80mm-400mm, and the best is got 150mm-250mm.
The wedging amount b of the spacing a of upper pressure wheel and lower pressure wheel and microporous teflon membran is determining the extensibility D of microporous teflon membran, according to Pythagorean theorem a2+b2=c2, draws high rate D=c/a, and extensibility D gets 1.05-1.80, and the best is got extensibility 1.15-1.40 and is advisable.
This device by driving mechanism transmission upper pressure wheel, lower pressure wheel and walk film synchronously in the same way or overfeeding rotation (change the driving variable-frequency motor on the wheel pressing shaft, the frequency of the driving variable-frequency motor that presss from both sides with chain, can change overfeed ratio), over feed rate(OFR) is that 0-50% chooses (over feed rate(OFR)=pinch roller linear velocity: chain clamp speed-1).This W expanding device is set to 2 grades-30 grades for the expanding section, chooses by 1.2 as every grade of extensibility D, and 14 grades of expanding devices are 1.2
14=15.4 times.
Because microporous teflon membran two side chains folder clamping films (microporous teflon membran) when the cross directional stretch are stretched at trapezoidal slideway, decayed gradually and lagged behind during to intermediate transfer by both sides owing to tensile force and produced the inhomogeneities of cross directional stretch, make film thick middle both sides thin, the little and bow phenomenon in aperture in the middle of the aperture, both sides is big.In order to change microporous teflon membran in the heterogeneity of cross directional stretch, the utility model is to install horizontal W shape expanding device of the present utility model additional at the horizontal stretch section of stenter, make the planar stretch of film when stretching become the three-dimensional stretching of multiaspect, become many places by the both sides tensile force and carry out the tensile force of expanding by even distribution of a plurality of pinch rollers, the rotation of in addition going up lower pressure wheel promotes film and moves with moved further or carry, overcome the hysteresis when walking film, but eliminated the bow phenomenon.
One, owing to making the plane of film become three-dimensional W shape to the wedge of film, last lower pressure wheel obtains stretching, tensile force is by producing between wheel and the wheel simultaneously, power is stretched in the expansion that makes the tensile force on general chain folder both sides become each pinch roller, make the inhomogeneous tensile force on both sides be evenly distributed in very much a plurality of lower pressure wheel places of going up, both sides uneven pulling power when having overcome general tentering becomes tens and stretches power to the even expansion at hundreds of place, makes the non-homogeneous difficult problem of microporous teflon membran in horizontal tentering obtain basic solution.The 2nd, wheel pressing shaft up and down, by the motor-driven rotation, its drives goes up lower pressure wheel and chain folder in the same way synchronously or the overfeeding operation, the hysteresis when overcoming film and walking.The 3rd, film became the W shape when expanding stretched, and spacing of lower pressure wheel is the value that a and last lower pressure wheel wedging amount b determine extensibility D on it, according to Pythagorean theorem: a2+b2=c2.Draw high rate D=c/a
Behind this device, be provided with the thickness measurement online regulation device, the online detection of film when calibrator will stretch (microporous teflon membran), the data that detect film thickness are imported computers (control circuit) become the lift drive mechanism (regulation and control motor, screw rod, nut etc.) that the signal of telecommunication amplifies each corresponding adjustment pinch roller of back input, make the uniformity in microporous teflon membran thickness evenness and aperture further obtain online automatic detection and regulation and control.Wherein the tail end at expanding is installed with the uniform thickness regulating and controlling mechanism of adjusting film thickness.When the calibrator of on-line tracing is imported the corresponding regulation and control motor of adjusting pinch roller up and down with survey data input computer positive and negative charge after computing becomes signal of telecommunication amplification, drive the regulation and control motor and rotate the drive screw forward or reverse forward or backwards, make and adjust pinch roller up and down and according to the instruction of thickness measuring each of separately corresponding measuring point adjusted pinch roller and do elevating movement, change the size that each adjusts pinch roller wedging amount b, and extensibility D is changed, finally make the thickness evenness of full width film obtain online automatic detection regulation and control.Regulate the expanding rate of corresponding adjustment pinch roller according to the instruction of on-line tracing calibrator, the thickness that makes this adjustment pinch roller place changes and realizes the uniformity automatic on-line regulation and control of full width thickness, has realized that the thickness evenness in the cross directional stretch of microporous teflon membran, the uniformity in aperture obtain effectively accurately control.Driven synchronous in the same way or overfeeding (over feed rate(OFR) 0-50%) rotation of the chain folder of adjusting pinch roller and both sides by movable sprocket, in order to eliminating the bow phenomenon.
The beneficial effects of the utility model are: when this device can be realized the microporous teflon membran cross directional stretch, and the aperture uniformity of microporous teflon membran and the good uniformity of thickness.
Description of drawings
Fig. 1 is structural representation of the present utility model (overlooking).
Fig. 2 is that Fig. 1 is along the cutaway view of A-A line.
Fig. 3 is the structural representation of the rise seamless wheel mechanism of the utility model thickness measurement online regulation device.
Fig. 4 is the figure of extensibility c.
Among the figure: 1-microporous teflon membran, 2-upper pressure wheel axle, 3-upper pressure wheel, 4-thickness measurement online regulation device, 5-regulates and control motor, the 6-crossbeam, and 7-is by movable sprocket, 8-raises the seamless wheel, 9-calibrator, 10-first chain folder, 11-second chain folder, the 12-lower pressure wheel, 13-presses down wheel shaft, the 14-screw rod, 15-nut, 16-support arm, the 17-drive sprocket, 18-chain, 19-active rotation axle.Arrow is represented the microporous teflon membran direction of motion among the figure.
The specific embodiment
As Fig. 1, Fig. 2, shown in Figure 3, but the horizontal W shape of the microporous teflon membran expanding device of online automatic detection control, it comprises 2-30 laterally W shape expanding mechanism (what adopt among Fig. 1 is 3), and the individual laterally W shape expanding mechanism of the 2-30 edge laterally stretch section of stenter is arranged; Described horizontal W shape expanding mechanism comprises upper pressure wheel mechanism and lower pressure wheel mechanism, described upper pressure wheel mechanism comprises upper pressure wheel axle 2, a plurality of upper pressure wheel 3, upper pressure wheel elevating mechanism, a plurality of upper pressure wheels are arranged on that (number of a plurality of upper pressure wheels is decided according to the width of microporous teflon membran and the uniformity of required expanding on the upper pressure wheel axle, generally can adopt 4-40), it (is that the upper pressure wheel axle can rotate that the both ends of upper pressure wheel axle are linked to each other with the upper pressure wheel elevating mechanism by bearing respectively; The upper pressure wheel elevating mechanism can be motor-driven screw pair, hydraulic cylinder or pneumatic cylinder etc., and crane), a plurality of upper pressure wheels are positioned at the top of microporous teflon membran by line of stretch section of horizontal stenter, and (the upper pressure wheel elevating mechanism can make upper pressure wheel that microporous teflon membran is depressed, as shown in Figure 2);
Lower pressure wheel mechanism be positioned at upper pressure wheel mechanism under, lower pressure wheel mechanism comprises and presses down wheel shaft 13, a plurality of lower pressure wheel 12, lower pressure wheel elevating mechanism, a plurality of lower pressure wheels are arranged on and press down that (number of a plurality of lower pressure wheels is decided according to the width of microporous teflon membran and the uniformity of required expanding on the wheel shaft, generally can adopt 4-40), the both ends that press down wheel shaft are linked to each other with the lower pressure wheel elevating mechanism by bearing respectively, and (namely pressing down wheel shaft can rotate; The lower pressure wheel elevating mechanism can be motor-driven screw pair, hydraulic cylinder or pneumatic cylinder etc., and crane), a plurality of lower pressure wheels are positioned at the below of microporous teflon membran by line of stretch section of horizontal stenter, and (the lower pressure wheel elevating mechanism can make lower pressure wheel with on the microporous teflon membran top, as shown in Figure 2), lower pressure wheel and upper pressure wheel axially are staggeredly arranged and (namely establish a lower pressure wheel between the two adjacent upper pressure wheels, establish a upper pressure wheel between the two adjacent lower pressure wheels; And make above upper pressure wheel, lower pressure wheel wedging microporous teflon membran following, make the microporous teflon membran plane become multiaspect W shape corrugated and expanding).The structure of lower pressure wheel mechanism is identical with the structure of upper pressure wheel mechanism.
One end of described upper pressure wheel axle is by shaft coupling link to each other with the output shaft of upper pressure wheel axis drive motor (be that the upper pressure wheel axis drive motor drives the rotation of upper pressure wheel axle, thereby make the upper pressure wheel rotation).
A described end that presses down wheel shaft is by shaft coupling link to each other with the output shaft of lower pressure wheel axis drive motor (be that the lower pressure wheel axis drive motor drives and presses down the wheel shaft rotation, thereby make the lower pressure wheel rotation).
But the horizontal W shape of the microporous teflon membran expanding device of described online automatic detection control also comprises thickness measurement online regulation device 4, and the thickness measurement online regulation device is arranged on after last horizontal W shape expanding mechanism; Described thickness measurement online regulation device comprises thickness regulating and controlling mechanism, calibrator, control circuit, calibrator is positioned at (calibrator is used for measuring the thickness of microporous teflon membran) after the thickness regulating and controlling mechanism, the output of calibrator is linked to each other with the signal input part of control circuit by holding wire, the control output end of control circuit is by lead link to each other with regulation and control motor 5, the active rotation motor of thickness regulating and controlling mechanism (i.e. control regulation and control machine operation, thereby the pinch roller lifting is adjusted in control); Described thickness regulating and controlling mechanism comprises rise seamless wheel mechanism and downward modulation seamless wheel mechanism;
Described rise seamless wheel mechanism (as shown in Figure 3) comprises crossbeam 6, support arm 16, raise seamless wheel 8, regulation and control motor 5, by movable sprocket 7, screw rod 14, nut 15, drive sprocket 17, chain 18, active rotation axle 19, support arm 16, raise seamless wheel 8, regulation and control motor 5, by movable sprocket 7, screw rod 14, nut 15, drive sprocket 17, the number of chain 18 is identical and be that a plurality of (number is decided according to the width of microporous teflon membran and the uniformity of required expanding, generally can adopt 10-60, the number polyhomoeity is good), be arranged on the same passive rotating shaft by movable sprocket 7 and rise seamless wheel 8, this passive rotating shaft is arranged on an end (being that passive rotating shaft can rotate) of support arm 16 by bearing, the middle part of support arm is hinged on the active rotation axle, active rotation axle 19 is arranged on (being that the active rotation axle can rotate) on the crossbeam 6 by bearing, the other end of support arm 16 fixedly has nut 15, one end of screw rod 14 screws in the nut 15, the other end of screw rod 14 is linked to each other by the output shaft of shaft coupling with regulation and control motor 5, regulation and control motor 5 is fixed on the crossbeam 6, drive sprocket 17 is arranged on the active rotation axle 19, the active rotation axle links to each other with the output shaft of active rotation motor, the active rotation motor is fixed on the crossbeam, drive sprocket 17 with linked to each other by chain 18 by movable sprocket 7, raise the top (raise seamless wheel can depress microporous teflon membran) of microporous teflon membran by line that seamless wheel 8 is positioned at the stretch section of horizontal stenter;
Downward modulation seamless wheel mechanism is positioned at the below of raising the seamless wheel mechanism;
Described downward modulation seamless wheel mechanism comprises crossbeam, support arm, downward modulation seamless wheel, the regulation and control motor, by movable sprocket, screw rod, nut, drive sprocket, chain, the active rotation axle, support arm, downward modulation seamless wheel, the regulation and control motor, by movable sprocket, screw rod, nut, drive sprocket, the number of chain is identical and be that a plurality of (number is decided according to the width of microporous teflon membran and the uniformity of required expanding, generally can adopt 10-60, the number polyhomoeity is good), be arranged on the same passive rotating shaft by movable sprocket and downward modulation seamless wheel, this passive rotating shaft is arranged on an end (being that passive rotating shaft can rotate) of support arm by bearing, the middle part of support arm is hinged on the active rotation axle, active rotation axle 19 is arranged on (being that the active rotation axle can rotate) on the crossbeam 6 by bearing, the other end of support arm fixedly has nut, one end of screw rod screws in the nut, the other end of screw rod is linked to each other by the output shaft of shaft coupling with the regulation and control motor, the regulation and control motor is fixed on the crossbeam, drive sprocket is arranged on the active rotation axle, the active rotation axle links to each other with the output shaft of active rotation motor, the active rotation motor is fixed on the crossbeam, drive sprocket with linked to each other by chain by movable sprocket, the downward modulation seamless is taken turns the microporous teflon membran of the stretch section that is positioned at horizontal stenter by the below (downward modulation seamless wheel can push up microporous teflon membran) of line, downward modulation seamless wheel and rise seamless wheel shaft (are established between namely two adjacent rise seamlesses are taken turns and are adjusted pinch roller, establish one between two adjacent downward modulation seamlesses are taken turns and raise the seamless wheel to being staggeredly arranged; And make the top and bottom of raising seamless wheel, downward modulation seamless wheel wedging microporous teflon membran, make the microporous teflon membran plane become multiaspect W shape corrugated and expanding).The structure of downward modulation seamless wheel mechanism is identical with the structure that raises the seamless wheel mechanism.
Disposed at equal distance between described a plurality of upper pressure wheel, the disposed at equal distance between a plurality of lower pressure wheels.The arrangement pitches of two adjacent upper pressure wheels, two adjacent lower pressure wheels is 70mm-300mm, and the best is got 100mm, should be 1/2 spacing in spacing and the chain contained side spacing of the pinch roller of two chain contained sides.
The external diameter of described upper pressure wheel and lower pressure wheel is bright and clean arc surface, wheel footpath 80mm-400mm, and the best is got 150mm-250mm.
As shown in Figure 4, the wedging amount b of the spacing a of upper pressure wheel and lower pressure wheel and microporous teflon membran is determining the extensibility D of microporous teflon membran, according to Pythagorean theorem a2+b2=c2, extensibility D=c/a, extensibility D gets 1.05-1.80, and the best is got extensibility 1.15-1.40 and is advisable.
Illustrate: the various embodiments described above only are used for explanation the utility model, and wherein structure, connection, the kind of drive of each parts all can change every conversion of carrying out on the basis of technical solutions of the utility model and improve and all should not get rid of outside protection domain of the present utility model to some extent.
Claims (4)
1. but the horizontal W shape of the microporous teflon membran expanding device of online automatic detection control is characterized in that it comprises the individual laterally W shape expanding mechanism of 2-30, and 2-30 horizontal W shape expanding mechanism arranges along the stretch section of horizontal stenter; Described horizontal W shape expanding mechanism comprises upper pressure wheel mechanism and lower pressure wheel mechanism, described upper pressure wheel mechanism comprises upper pressure wheel axle, a plurality of upper pressure wheel, upper pressure wheel elevating mechanism, a plurality of upper pressure wheels are arranged on the upper pressure wheel axle, the both ends of upper pressure wheel axle are linked to each other with the upper pressure wheel elevating mechanism by bearing respectively, and a plurality of upper pressure wheels are positioned at the top of microporous teflon membran by line of the stretch section of horizontal stenter;
Lower pressure wheel mechanism be positioned at upper pressure wheel mechanism under, lower pressure wheel mechanism comprises and presses down wheel shaft, a plurality of lower pressure wheel, lower pressure wheel elevating mechanism, a plurality of lower pressure wheels are arranged on and press down on the wheel shaft, the both ends that press down wheel shaft are linked to each other with the lower pressure wheel elevating mechanism by bearing respectively, a plurality of lower pressure wheels are positioned at the below of microporous teflon membran by line of the stretch section of horizontal stenter, and lower pressure wheel and upper pressure wheel are staggeredly arranged.
2. but the horizontal W shape of the microporous teflon membran expanding device of online automatic detection according to claim 1 control, it is characterized in that, but the horizontal W shape of the microporous teflon membran expanding device of described online automatic detection control also comprises the thickness measurement online regulation device, and the thickness measurement online regulation device is arranged on after last horizontal W shape expanding mechanism; Described thickness measurement online regulation device comprises thickness regulating and controlling mechanism, calibrator, control circuit, calibrator is positioned at after the thickness regulating and controlling mechanism, the output of calibrator is linked to each other with the signal input part of control circuit by holding wire, and the control output end of control circuit is linked to each other with regulation and control motor, the active rotation motor of thickness regulating and controlling mechanism by lead; Described thickness regulating and controlling mechanism comprises rise seamless wheel mechanism and downward modulation seamless wheel mechanism;
Described rise seamless wheel mechanism comprises crossbeam (6), support arm (16), raise seamless wheel (8), regulation and control motor (5), by movable sprocket (7), screw rod (14), nut (15), drive sprocket (17), chain (18), active rotation axle (19), support arm (16), raise seamless wheel (8), regulation and control motor (5), by movable sprocket (7), screw rod (14), nut (15), drive sprocket (17), the number of chain (18) is identical and be a plurality of, be arranged on the same passive rotating shaft by movable sprocket (7) and rise seamless wheel (8), this passive rotating shaft is arranged on an end of support arm (16) by bearing, the middle part of support arm (16) is hinged on the active rotation axle (19), active rotation axle (19) is arranged on the crossbeam (6) by bearing, the other end of support arm (16) fixedly has nut (15), one end of screw rod (14) screws in the nut (15), the other end of screw rod (14) is linked to each other by the output shaft of shaft coupling with regulation and control motors (5), regulation and control motors (5) are fixed on the crossbeam (6), drive sprocket (17) is arranged on the active rotation axle (19), the active rotation axle links to each other with the output shaft of active rotation motor, drive sprocket (17) with linked to each other by chain (18) by movable sprocket (7), raise the top of microporous teflon membran by line that seamless wheel (8) is positioned at the stretch section of horizontal stenter;
Downward modulation seamless wheel mechanism is positioned at the below of raising the seamless wheel mechanism;
Described downward modulation seamless wheel mechanism comprises crossbeam, support arm, downward modulation seamless wheel, the regulation and control motor, by movable sprocket, screw rod, nut, drive sprocket, chain, the active rotation axle, support arm, downward modulation seamless wheel, the regulation and control motor, by movable sprocket, screw rod, nut, drive sprocket, the number of chain is identical and be a plurality of, be arranged on the same passive rotating shaft by movable sprocket and downward modulation seamless wheel, this passive rotating shaft is arranged on an end of support arm by bearing, the middle part of support arm is hinged on the active rotation axle, the active rotation axle is arranged on the crossbeam by bearing, the other end of support arm fixedly has nut, one end of screw rod screws in the nut, the other end of screw rod is linked to each other by the output shaft of shaft coupling with the regulation and control motor, the regulation and control motor is fixed on the crossbeam, drive sprocket is arranged on the active rotation axle, the active rotation axle links to each other with the output shaft of active rotation motor, drive sprocket with linked to each other by chain by movable sprocket, the downward modulation seamless is taken turns the microporous teflon membran of the stretch section that is positioned at horizontal stenter by the below of line, and the downward modulation seamless is taken turns and raised the seamless wheel shaft to being staggeredly arranged.
3. but the horizontal W shape of the microporous teflon membran expanding device of online automatic detection control according to claim 1 is characterized in that the arrangement pitches of two adjacent upper pressure wheels, two adjacent lower pressure wheels is 70mm-300mm.
4. but the horizontal W shape of the microporous teflon membran expanding device of online automatic detection control according to claim 1 is characterized in that the external diameter of described upper pressure wheel and lower pressure wheel is bright and clean arc surface, and the wheel footpath is 80mm-400mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320068565 CN203061067U (en) | 2013-02-06 | 2013-02-06 | Polytetrafluoroethylene microporous membrane transverse W-shaped expansion device capable of realizing online automatic detection control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320068565 CN203061067U (en) | 2013-02-06 | 2013-02-06 | Polytetrafluoroethylene microporous membrane transverse W-shaped expansion device capable of realizing online automatic detection control |
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| Publication Number | Publication Date |
|---|---|
| CN203061067U true CN203061067U (en) | 2013-07-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320068565 Expired - Fee Related CN203061067U (en) | 2013-02-06 | 2013-02-06 | Polytetrafluoroethylene microporous membrane transverse W-shaped expansion device capable of realizing online automatic detection control |
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| CN (1) | CN203061067U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103071401A (en) * | 2013-02-06 | 2013-05-01 | 章新安 | Polyfluortetraethylene microporous film horizontal W-shaped spreading device capable of being detected and controlled on line automatically |
| CN108202468A (en) * | 2018-01-08 | 2018-06-26 | 邓宇辰 | A kind of device of multirow multi-panel synchronous horizontal stretch polytetrafluoroethylraw microporous barrier |
-
2013
- 2013-02-06 CN CN 201320068565 patent/CN203061067U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103071401A (en) * | 2013-02-06 | 2013-05-01 | 章新安 | Polyfluortetraethylene microporous film horizontal W-shaped spreading device capable of being detected and controlled on line automatically |
| CN103071401B (en) * | 2013-02-06 | 2015-02-18 | 章新安 | Polyfluortetraethylene microporous film horizontal W-shaped spreading device capable of being detected and controlled on line automatically |
| CN108202468A (en) * | 2018-01-08 | 2018-06-26 | 邓宇辰 | A kind of device of multirow multi-panel synchronous horizontal stretch polytetrafluoroethylraw microporous barrier |
| CN108202468B (en) * | 2018-01-08 | 2020-02-07 | 邓宇辰 | Device for synchronously transversely stretching polytetrafluoroethylene microporous membrane in multiple rows and multiple faces |
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Granted publication date: 20130717 Termination date: 20160206 |