CN108407267A - Multirow multi-panel 3 D stereo bi-directional synchronization stretching device of the microporous teflon membran in cross directional stretch - Google Patents
Multirow multi-panel 3 D stereo bi-directional synchronization stretching device of the microporous teflon membran in cross directional stretch Download PDFInfo
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- CN108407267A CN108407267A CN201810170311.0A CN201810170311A CN108407267A CN 108407267 A CN108407267 A CN 108407267A CN 201810170311 A CN201810170311 A CN 201810170311A CN 108407267 A CN108407267 A CN 108407267A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
- B29C55/02—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
- B29C55/10—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial
- B29C55/12—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial biaxial
- B29C55/16—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial biaxial simultaneously
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
- B29C55/02—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
- B29C55/10—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial
- B29C55/12—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial biaxial
- B29C55/16—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial biaxial simultaneously
- B29C55/165—Apparatus therefor
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
Abstract
The invention belongs to microporous teflon membran production fields, and in particular to a kind of micropore film stretching device.The multirow multi-panel 3 D stereo bi-directional synchronization stretching device of a kind of microporous teflon membran in cross directional stretch, it is characterised in that stretch circle row including upper arch and lower arch stretches circle row, upper arch stretches the top that circle ranking stretches circle row in lower arch；Upper arch stretches circle row and is mounted in the stretch section of lateral stenter at fan-shaped by 10 30 upper arch stretching snares；Lower arch stretches circle row and is mounted in the stretch section of lateral stenter at fan-shaped by 9 29 lower arch stretching snares.The present invention overcomes one face transverse stretching equipment of existing both sides and method to there is the film thickness stretched, aperture non-uniformity problem.
Description
Technical field
The invention belongs to microporous teflon membran production fields, and in particular to a kind of micropore film stretching device.
Background technology
Microporous teflon membran due to high temperature resistant, acid and alkali-resistance, non-aging, film surface not viscous, hydrophobic at membrane aperture
The small, characteristics such as porosity is high, fine particle is filtered in high temperature, is cleaning high-temp air, is curbed environmental pollution optimal
High-temperature-resistant filtering material.
Microporous teflon membran is all made of longitudinal cross directional stretch method and realizes microporous membrane structure in preparing, therefore to transverse direction
The uniformity of mesh aperture film thickness produced by uniformity in stretching has an important influence on the quality of microporous barrier.Lead to poly- four
Fluoride microporous film in cross directional stretch, generate inhomogeneities the main reason for it is as follows：1) since microporous teflon membran exists
Microporous barrier is prepared using the cross directional stretch method of two general side one sides in cross directional stretch, i.e., is held by the chain pincers on both sides thin
The cross directional stretch that one plane of film is realized in trapezoidal track by the operation of small end to big end, the cross directional stretch of this both sides one side
Method in cross directional stretch, since pulling force produced by both sides is big, laterally draws the hot polytetrafluoroethylene material for melting no mobility
Power is gradually decayed to when intermediate transfer, makes film thickness at thick middle, and both sides are thin, and both sides aperture is big, and median pore radius is small, above
For main cause；2) since the cross directional stretch of both sides one side is gradually to be extended from both sides to centre, the difference of this rate of extension
Step is also that microporous teflon membran is caused to generate heteropical major reason in cross directional stretch；3) larger rate of extension
Node spacing can be made big, node is small, even aperture distribution, to obtain porosity and uniformly stretch book film with thickness, it is necessary to adopt
The technique stretched with high-speed, usual rate of extension will reach>200%/s, and the cross directional stretch rate of both sides one side can only reach
40%/s or so is arrived, (by segment length 10m is stretched, speed 30m/ divides, stretching ratio 1:8 meters), this is also to cause polytetrafluoroethylene (PTFE) micro-
In pore membrane cross directional stretch the reason of heterogeneity；4) larger stretching ratio can make node small, and node spacing is big, and pore-size distribution is equal
It is even, porosity is improved, air penetrability is improved, is the effective way for improving micropore film quality.And stretching in the transverse direction the one of both sides one side
Secondary stretching ratio can only achieve 1:8 or so, also result in microporous teflon membran heteropical generation in cross directional stretch.
Microporous teflon membran (PTEF microporous barriers) applies the cross directional stretch of general " both sides one side " to set all the time
Standby and method, since the thermosetting property of PTEF materials generates thickness, the inhomogeneities in aperture, generated unevenness in cross directional stretch
Even property problem seriously hinders popularization and application of the microporous teflon membran in high temperature filtration, dedusting air cleaning.It is this
The problem of inhomogeneities of the PTFE in cross directional stretch annoyings always people, therefore, is highly desirable to develop a kind of difference
In the new equipment of one face transverse stretching equipment of both sides, after overcoming the transverse direction using existing both sides one side that female device is drawn to lead to stretching
The apertures microporous teflon membran film thickness it is uneven.
Invention content
The multirow multi-panel three-dimensional that the purpose of the present invention is to provide a kind of microporous teflon membrans in cross directional stretch is vertical
Body bi-directional synchronization stretching device, it is intended to one face transverse stretching equipment of existing both sides and method be overcome to there is the film thickness stretched, aperture
Non-uniformity problem.
The technical solution that the present invention solves above-mentioned technical problem is as follows：A kind of microporous teflon membran is in cross directional stretch
Multirow multi-panel 3 D stereo bi-directional synchronization stretching device, it is characterised in that including upper arch stretch circle row and lower arch stretch circle
Row, upper arch stretch the top that circle ranking stretches circle row in lower arch；Upper arch stretches circle row and stretches circle by 10-30 upper arch
Cover into fan-shaped be mounted in the stretch section of lateral stenter；Lower arch stretches circle row and stretches snare into sector by 9-29 lower arch
In the stretch section of lateral stenter.
Further, it includes upper driving pulley 1, upper stretching belt wheel 6, upper passive belt wheel 9, the drawing of upper arch that upper arch, which stretches snare,
Zone circle 4 is stretched, upper arch stretches zone circle 4 and is circlewise wound on driving pulley 1 and upper passive belt wheel 9, and upper stretching belt wheel 6 is located at upper
4 institutes of arch stretching zone circle are circlewise interior, and the upper lower end for stretching belt wheel 6 is pressed in arch and stretches on zone circle 4；Upper driving pulley 1, on
Belt wheel 6, upper passive belt wheel 9 is stretched along microporous teflon membran direction of advance to be successively sequentially arranged, upper driving pulley 1 with it is upper
It is stretch section to stretch the region between belt wheel 6, and the upper region stretched between belt wheel 6 and upper passive belt wheel 9 is sizing section；
It includes lower driving pulley 1a, lower stretching belt wheel 6a, lower passive belt wheel 9a, lower arch tension belt that lower arch, which stretches snare,
4a is enclosed, lower arch stretches zone circle 4a and is circlewise wound on lower driving pulley 1a and lower passive belt wheel 9a, and lower stretching belt wheel 6a is located at
Lower arch stretching zone circle 4a institutes are circlewise interior, and the lower upper end for stretching belt wheel 6a heads on lower arch and stretches zone circle 4a；Lower driving pulley
1a, lower stretching belt wheel 6a, lower passive belt wheel 9a are sequentially arranged successively along microporous teflon membran direction of advance, lower driving band
It is stretch section to take turns 1a and the lower region stretched between belt wheel 6a, and the lower region stretched between belt wheel 6a and lower passive belt wheel 9a is fixed
Type section；
Upper driving pulley 1, the setting of lower driving pulley 1a or more parallel intervals, upper driving pulley 1 and lower driving pulley 1a it
Between form the gap fed for microporous teflon membran to be tensioned；
The adjacent upper stretching belt wheel 6 and lower stretching belt wheel 6a or more staggeredly and the setting that partly overlaps, the upper arch
The central point for stretching the upper stretching belt wheel 6 of circle row offsets downward 20- between upper driving pulley 1, upper 9 two-wheeled of passive belt wheel
100mm；Lower arch stretches the central point of the lower stretching belt wheel 6a of circle row between lower driving pulley 1a, lower passive belt wheel 9a two-wheeleds
Offset up 20-100mm.
Further, uniform intervals are provided with multiple upper stretching troughs of belt, the upper number for stretching trough of belt on the upper driving pulley 1
Corresponding with the upper arch stretching number of zone circle 4, upper arch tension belt snare is on upper stretching trough of belt；The lower driving pulley 1a
Upper uniform intervals are provided with multiple lower stretching troughs of belt, and the number that the lower number for stretching trough of belt stretches zone circle 4a with lower arch is opposite
It answers, lower arch tension belt snare is on lower stretching trough of belt.
Further, upper arch stretches zone circle 4 in the front end for entering driving pulley 1, is provided with deflecting angle station on first
2；4 exit of zone circle is stretched in the upper arch of upper driving pulley 1, is provided with deflecting angle station 3 on second；
Lower arch stretches zone circle 4a in the front end for entering driving pulley 1a, is provided with first time deflecting angle station 2a；
The lower arch of lower driving pulley 1a stretches the exits zone circle 4a, is provided with second time deflecting angle station 3a；
In stretch section：The top that upper arch stretches zone circle 4 is equipped with upper oriented chute 5, the upper bow in control in oriented chute
The edge of a knife that shape stretches zone circle 4 is run down；The lower section that lower arch stretches zone circle 4a is equipped with lower oriented chute 5a, controls lower orientation and slides
The edge of a knife that lower arch in slot stretches zone circle 4a is run up.
Further, upper arch stretches the upper arch stretching circle that zone circle is arranged and is set on the adjacent lower bow that lower arch stretching circle is arranged
Shape stretches among the gap of snare, and the lower arch tension belt circle that lower arch stretches circle row is set on the phase that arch stretches circle row
Arch stretches among the gap of snare on neighbour.
Further, it is hinged by two upper connecting rods 7 per a pair of corresponding upper stretching belt wheel 6 and upper passive belt wheel 9, per a pair of right
The lower stretching belt wheel 6a and lower passive belt wheel 9a answered is hinged by two lower link 7a, and the connecting rod 7 is slided by upper connecting rod locating piece 8
Dynamic to be fixed on upper connecting rod seat 12, the lower link 7a is slidably fixed on by lower link locating piece 8a on lower link seat；
The every upper connecting rod 7 corresponds to two upper connecting rod locating pieces 8 and two upper connecting rod seats 12, described in every
Lower link 7a corresponds to two lower link locating piece 8a and two lower link seats；
The upper connecting rod seat 12 and lower link seat are that the length vertical with the microporous teflon membran direction of advance is straight
Bar, the long straight-bar, which is equipped with, to be stretched along its length so that the upper connecting rod locating piece 8 or lower link locating piece 8a are caught in
Sliding slot, the both ends of the long straight-bar are connect with the supporting rack being fixed on ground.
Further, the front end of the upper connecting rod 7 is rotatablely connected with the corresponding upper stretching belt wheel 6, the upper connecting rod 7
Middle part is rotatablely connected with the corresponding passive belt wheel 9, and the rear end of the upper connecting rod 7 is cut with scissors with the front end of up regulation spring 10
It connects, the rear end of the up regulation spring 10 is connect with upper spring seat 11；The front end of the lower link 7a and the corresponding drop-down
Belt wheel 6a rotation connections are stretched, the middle part of the lower link 7a is rotatablely connected with the corresponding lower passive belt wheel 9a, the lower company
The rear end of bar 7a is hinged with the front end of down regulation spring 10a, and the rear end of the up regulation spring 10 is connect with lower spring cup 11a.
Further,：The upper arch stretches zone circle 4 and lower arch stretches the quantity of zone circle 4a even odd number each other, upper arch
The quantity for stretching zone circle 4 is 10-30, and the quantity that lower arch stretches zone circle 4a is 9-29.
Further, it is that the consistent stainless steel band of specification connects that the upper arch, which stretches zone circle 4 and lower arch stretching zone circle 4a,
It is connected into ring-type, the width of the stainless steel band is 3-10mm, thickness 0.3-1mm.
Further, it is formed between upper driving pulley 1 and lower driving pulley 1a and is fed for microporous teflon membran to be tensioned
The thickness in the gap entered is 3-10mm.
Further, deflecting angle station 3 on deflecting angle station 2, second on first, first time deflecting angle station 2a,
The structure of second time deflecting angle station 3a is identical；
Deflecting angle station 2 includes deflecting corner seat 2-3A, deflecting axis 2-3B, corner wheel 2-3C on first；Deflecting axis 2-
3B is 2, and corner wheel 2-3C is located between 2 deflecting axis 2-3B, and deflecting axis 2-3B, corner wheel 2-3C are installed in deflecting corner
On seat 2-3A.
Further, for 5 section of upper oriented chute at v-shaped, small end is downward, and it is deep that small end is provided with 0.3-1.0mm, width 2-8mm
Groove, so that arch is stretched and run in the sliding slot that is inserted into rubbish stretches section in oriented chute 5 of circle band 4, upper oriented chute 5 by
Upper hopper chute connecting plate 13 is connect with upper hopper chute connecting cross beam 14；The lower oriented chute 5a sections are at v-shaped, and small end is upward, small end
Be provided with 0.3-1.0mm, width 2-8mm depths groove, so that lower arch is stretched under circle band 4a is inserted into stretch section in oriented chute 5a
Sliding slot in run；Lower oriented chute 5a is connect by gliding groove connecting plate 13a with gliding groove connecting cross beam 14a.
Further, it is equal to be divided into 10-30 rows, 20-60 face by stretched film is even in the one side of stretched film in stretch section
Multirow multi-panel 3 D stereo synchro-draw；
It is that upper arch stretches circle, lower arch stretches circle band and realized to the gradual incision of stretched film top and bottom in stretch section
Stretched vertically, while the planar stretch run to big end from the small end of sector to interphase realize that vertical, plane synchronization carries out
3 D stereo bi-directional synchronization stretch.
Further, the stretching device is also applied for the cross directional stretch of other plastic films.
Compared with prior art, the beneficial effects of the invention are as follows：1, microporous teflon membran is applied in cross directional stretch
The cross directional stretch method of general plastic film holds membrane plane of the film both sides in trapezoidal rails, extremely by small end by chain pincers pincers
The cross directional stretch that big auspicious operation is realized.But due to the non-heatmeltable characteristic of polytetrafluoroethylene material, using this both sides one side
It when cross directional stretch, is gradually reduced when drawing force is from both sides to film surface intermediate transfer, unevenness distribution of this drawing force in film surface
Produced amount of tension both sides are big, intermediate small, keep film thick middle both sides thin, the small non-uniform phenomenon in the big centre in membrane aperture both sides, needle
To above technical barrier present invention multirow multi-panel 3 D stereo synchronous bidirectional stretching device, it is by the stretching side of both sides one side
Method becomes the cross directional stretch method of multirow multi-panel, and drawing force, amount of tension is made to be evenly distributed in the faces 20-60 of 10-30 rows, make
Polytetrafluoroethylene (PTFE) Kong Mo Huo obtained uniform cross directional stretch.2, microporous teflon membran applies general cross in cross directional stretch
Film both sides are held in trapezoidal rails by Lian Jia Clip to drawing process, it is real by the operation of small end to big end in a plane of film
The cross directional stretch of existing both sides one side, this stretching are from both sides gradually to intermediate transfer
It is stretched caused by the process, this process gradually stretched from both sides to centre causes the difference of rate of extension
Step, be cause microporous teflon membran because material thermosetting property in cross directional stretch produced by inhomogeneities an important factor for,
It is stretched because the thinner the film on both sides the easier, film is made to be stretched thinner, and intermediate film is thicker is less susceptible to be stretched, and makes film
It is thicker, cause the increase of inhomogeneities of the microporous teflon membran in the cross directional stretch of general both sides one side.The present invention
10-30 rows are uniformly divided into the stretch section film that will be stretched, film surface is divided into the faces 20-60, when stretched film enters W-shaped and quilt by plane
It is that { i.e. steel band group is cyclic (circle), and tension belt is known as steel by all stretching of arch up and down zone circles in the stretching overall process gradually amplified
Band } it is precisely controlled the synchronization for the rate of extension that stretched film is realized, it is uniform in cross directional stretch to reach microporous teflon membran
Property further increases.3, since general cross directional stretch is the lateral drawing carried out in one plane in the one side of both sides
It stretches, rate of extension is low, and (microporous teflon membran one-off drawing rate should be greater than 200%/S and is generally 40%/S or so
It is good), multirow multi-panel of the invention reaches 10-30 rows, the synchronous cross directional stretch carried out in the faces 20-60, rate of extension up to 400%/
S-1200%/S meets the technological requirement of high rate of extension in microporous teflon membran cross directional stretch, further improves
The quality of the uniformity and film in film cross directional stretch media thickness and aperture.4, fan-shaped array is lined up due to upper and lower arch stretching circle to exist
Stretch section, stretched film are run to the stretching of horizontal direction caused by intermediate ends by small end.Separately since arch stretches circle band (i.e. steel
Band) it vertically cuts the upper plane of film and is gradually increased vertical approach, since lower arch stretches steel band of the circle band in stretch section
The lower plane of stretched film is cut vertically upward, and is gradually increased approach, realizes the stretched vertically to stretched film, in summary
The present invention is by horizontal stretch and stretched vertically, and the synchronous Bidirectional horizontal carried out stretches.5, of the invention:Due to realizing rate of extension
Tens times of raising and rate of extension synchro-draw, equipment can shorten 5-10 times, therefore the heat supply in equipment in stretch section
The consumption of the energy can be greatly reduced, and the infusion of financial resources of equipment is greatly decreased.
The process conditions for uniformity that present invention accomplishes microporous teflon membrans in cross directional stretch, thoroughly solve poly-
Tetrafluoroethene microporous barrier heteropical technical barrier in cross directional stretch.
Description of the drawings
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the vertical view of stretching device shown in Fig. 1.
Fig. 3 be Fig. 1 in along line A-A sectional view stretch circle band (i.e. steel band) is inserted perpendicularly into oriented chute in stretch section,
Section signal to film stretching }.
Fig. 4 is the schematic diagram of invention deflecting angle station.
Fig. 5 is the structure chart (being overlooked for Fig. 4) of invention deflecting angle station.
In attached drawing, parts list represented by the reference numerals are as follows：Driving pulley on 1.；2. deflecting angle station on first；
3. deflecting angle station on second；4. arch stretches zone circle on；5. upper oriented chute；6. belt wheel is stretched on；7. upper connecting rod；On 8.
Connecting rod locating piece；Passive belt wheel on 9.；10. up regulation spring；11. upper spring seat；12. upper connecting rod seat；13. upper hopper chute connects
Plate；14. upper hopper chute connecting cross beam；15. stretched film；
Driving pulley under 1a.；First time deflecting angle station of 2a.；Second time deflecting angle station of 3a.；Arch is drawn under 4a.
Stretch zone circle；Oriented chute under 5a.；Belt wheel is stretched under 6a.；7a. lower links；8a. lower link locating pieces；Passive belt wheel under 9a.；
10a. down regulation springs；11a. lower spring cups；13a. gliding groove connecting plates；14a. gliding groove connecting cross beams；15. stretched film.
Specific implementation mode
Principles and features of the present invention are described below in conjunction with drawings and the specific embodiments, example is served only for solving
The present invention is released, is not intended to limit the scope of the present invention.
As shown in Fig. 1 to 5, it is three-dimensional that the present invention provides a kind of multirow multi-panel of microporous teflon membran in cross directional stretch
Three-dimensional bi-directional synchronization stretching device, including upper arch stretches the row of circle and lower arch stretches circle row (i.e. each row arch stretching up and down
Circle), upper arch stretches the top that circle ranking stretches circle row in lower arch；Upper arch stretches circle row and is stretched by 10-30 upper arch
Snare is mounted in the stretch section of lateral stenter at fan-shaped (at fan-shaped as shown in Figure 2)；Lower arch stretches circle row (i.e. each row
Arch stretches circle) it is mounted in the stretch section of lateral stenter at fan-shaped by 9-29 lower arch stretching snares.
It includes upper driving pulley 1, upper stretching belt wheel 6, upper passive belt wheel 9, upper arch stretching zone circle that upper arch, which stretches snare,
4, upper arch stretches zone circle 4 and is circlewise wound on driving pulley 1 and upper passive belt wheel 9, and upper stretching belt wheel 6 is located at the drawing of upper arch
It is circlewise interior to stretch 4 institute of zone circle, the upper lower end for stretching belt wheel 6 is pressed on arch stretching zone circle 4；Upper driving pulley 1, upper tension belt
Wheel 6, upper passive belt wheel 9 are sequentially arranged successively along microporous teflon membran direction of advance, upper driving pulley 1 and upper tension belt
Region between wheel 6 is stretch section, and the upper region stretched between belt wheel 6 and upper passive belt wheel 9 is sizing section；
It includes lower driving pulley 1a, lower stretching belt wheel 6a, lower passive belt wheel 9a, lower arch tension belt that lower arch, which stretches snare,
4a is enclosed, lower arch stretches zone circle 4a and is circlewise wound on lower driving pulley 1a and lower passive belt wheel 9a, and lower stretching belt wheel 6a is located at
Lower arch stretching zone circle 4a institutes are circlewise interior, and the lower upper end for stretching belt wheel 6a heads on lower arch and stretches zone circle 4a；Lower driving pulley
1a, lower stretching belt wheel 6a, lower passive belt wheel 9a are sequentially arranged successively along microporous teflon membran direction of advance, lower driving band
It is stretch section to take turns 1a and the lower region stretched between belt wheel 6a, and the lower region stretched between belt wheel 6a and lower passive belt wheel 9a is fixed
Type section；
Upper driving pulley 1, the setting of lower driving pulley 1a or more parallel intervals (upper driving pulley 1, lower driving pulley 1a or more
It is parallel；Interval setting：Driving pulley 1a is set between two upper driving pulleys 1, is set between two lower driving pulley 1a
Upper driving pulley 1), it is formed between upper driving pulley 1 and lower driving pulley 1a and is fed for microporous teflon membran to be tensioned
Gap (thickness in the gap be 3-10mm)；
The adjacent upper stretching belt wheel 6 and lower stretching belt wheel 6a or more staggeredly and the setting that partly overlaps, the upper arch
The central point for stretching the upper stretching belt wheel 6 of circle row offsets downward 20- between upper driving pulley 1, upper 9 two-wheeled of passive belt wheel
100mm；Lower arch stretches the central point of the lower stretching belt wheel 6a of circle row between lower driving pulley 1a, lower passive belt wheel 9a two-wheeleds
Offsetting up 20-100mm, (arch stretching circle row is equal up and down for offset, i.e., the upper belt wheel 6 that stretches is overlapped with lower stretching belt wheel 6a
Degree is overlapped up and down, and lap is generally 20-100mm, determines stretched vertically amount).
It is (multiple for 10-30, upper tension belt to be provided with multiple upper stretching troughs of belt for uniform intervals on the upper driving pulley 1
The number of slot is corresponding with the upper arch stretching number of zone circle 4), upper arch tension belt snare (upper arch on upper stretching trough of belt
Tension belt snare is corresponded with upper stretching trough of belt)；Uniform intervals are provided with multiple lower tension belts on the lower driving pulley 1a
Slot (multiple is 9-29, and the number that the lower number for stretching trough of belt stretches zone circle 4a with lower arch is corresponding), lower arch tension belt
Snare is on lower stretching trough of belt.
Upper arch stretches zone circle 4 in the front end for entering driving pulley 1, deflecting angle station 2 on first is provided with, in upper drive
The upper arch of movable belt pulley 1 stretches 4 exit of zone circle and is provided with deflecting angle station 3 on second { since at fan-shaped array, arch is drawn
Stretch tension belt in zone circle cannot the wheel face in 90 ° into driving pulley, deflecting on set first deflecting angle station 2, second
Angle station 3 stretches zone circle (i.e. steel band) in upper arch, and in stretch section full section, the edge of a knife should vertically cut the upper of stretched film 15
Film surface, set upper oriented chute 5 }；
Lower arch stretches zone circle 4a in the front end for entering driving pulley 1a, is provided with first time deflecting angle station 2a；
The lower arch of lower driving pulley 1a stretches the exits zone circle 4a and is provided with second time deflecting angle station 3a { due to being arranged at sector
Row, stretch circle in tension belt cannot the wheel face in 90 ° into driving pulley, set first time deflecting angle station 2a, second
Lower deflecting angle station 3a stretches zone circle (i.e. steel band) in lower arch；In stretching full section, the edge of a knife should vertically cut stretched film 15
Lower film surface, since upper and lower arch stretches, zone circle is opposite to 15 top and bottom of stretched film to be cut set lower oriented chute 5a, and
Stretch section is gradually increased opposite approach, realizes the stretched vertically to stretched film }.
In stretch section：The top that upper arch stretches zone circle 4 is equipped with the (tension belt of upper arch stretching zone circle 4 of upper oriented chute 5
In the sliding slot of upper oriented chute 5), the edge of a knife that the upper arch in control in oriented chute stretches zone circle 4 is run down；Lower bow
The lower section that shape stretches zone circle 4a is equipped with lower oriented chute 5a, control the lower arch in lower oriented chute stretch the edge of a knife of zone circle 4a to
Upper operation.
Since up-down stretch zone circle is at fan-shaped array, stretched film is from the small end of sector gradually to broad in the middle in stretch section
Operation is held to generate the horizontal stretch of lateral expanding, therefore, the present invention is to synchronize the two-way same of realization in stretched vertically, horizontal stretch
Step rubbish is stretched, and stretched film is in sizing section, since upper and lower arch rubbish stretches the vertical approach Xiang of zone circle to Zhu Jian Minus as little as stretched vertically amounts
Whole exit, rubbish stretches film in setting section, is the horizontal expanding run from covering of the fan middle-end to covering of the fan big end, the vertical rubbish amount of stretching by
The gradual increase with horizontal expanding amount is gradually exited, the two Quince is mutually offset, and makes the film after stretching, is gradually switched to by w shapes in sizing section
Plane realizes sizing of the stretched film in sizing section, determines to make stretched film be in identical tension tensionless winkler foundation Like states in sizing section
Type, the sum of the length in two sideline of maximum v-shaped should be equal to the wheelspan of two passive belt wheels.
The upper arch stretching circle that upper arch stretches zone circle row is set on the adjacent lower arch stretching that lower arch stretches circle row
Among the gap of snare, the lower arch tension belt circle that lower arch stretches circle row is set on the adjacent upper bow that arch stretches circle row
(i.e. upper arch, which stretches circle and arranges, to be arranged among the gap that lower arch stretches circle row, and lower arch is drawn among the gap of shape stretching snare
It stretches circle row to be arranged among the gap that upper arch stretches circle row).
The adjacent upper passive belt wheel 9 and lower passive belt wheel 9a or more, which are staggered, { not to be overlapped and upper drive preferably
Movable belt pulley 1 is in the same size with upper passive belt wheel 9 and axial connecting line is horizontal line, lower driving pulley 1a and lower passive belt wheel 9a sizes
Consistent and axial connecting line is horizontal line, specific as shown in Figure 1 }.
Some ancillary equipments, such as heating or cooling device etc. for using are needed in stretch section and sizing section, in this hair
It is not repeated in bright, those skilled in the art can increase automatically.
Further, it is hinged by two upper connecting rods 7 per a pair of corresponding upper stretching belt wheel 6 and upper passive belt wheel 9, per a pair of right
The lower stretching belt wheel 6a and lower passive belt wheel 9a answered is hinged by two lower link 7a, and the connecting rod 7 is slided by upper connecting rod locating piece 8
Dynamic to be fixed on upper connecting rod seat 12, the lower link 7a is slidably fixed on by lower link locating piece 8a on lower link seat.
It is caught in the sliding slot on connecting rod base it should be noted that sliding fixation herein can be locating piece, on locating piece
Hold-down bolt is set, and locating piece can move in sliding slot when unscrewing hold-down bolt, be moved to when needing position, screw hold-down bolt
Then locating piece is fixed.Those skilled in the art is also conceivable to use other alternatives.
Further, the every upper connecting rod 7 corresponds to two upper connecting rod locating pieces 8 and two upper connecting rod seats 12,
The every lower link 7a corresponds to two lower link locating piece 8a and two lower link seats.It needs to illustrate herein
It is, to become apparent from performance other component, not show upper connecting rod seat, lower link seat in Fig. 1.
Further, the upper connecting rod seat 12 and lower link seat are vertical with the microporous teflon membran direction of advance
Long straight-bar, the long straight-bar be equipped with is stretched along its length for the upper connecting rod locating piece 8 or lower link locating piece
The both ends of the sliding slot that 8a is caught in, the long straight-bar are connect with the supporting rack being fixed on ground.The both ends of long straight-bar and supporting rack
It may be a fixed connection supporting rack, or be slidably fixed on supporting rack, sliding is fixed to be advantageous in that, it may be necessary to
Belt wheel 6, the lower overlapping degree for stretching belt wheel 6a are stretched in adjusting, to achieve the purpose that adjust V-arrangement size when microporous barrier is stretched.
Further, the front end of the upper connecting rod 7 is rotatablely connected with the corresponding upper stretching belt wheel 6, the upper connecting rod 7
Middle part is rotatablely connected with the corresponding passive belt wheel 9, and the rear end of the upper connecting rod 7 is cut with scissors with the front end of up regulation spring 10
It connects, the rear end of the up regulation spring 10 is connect with upper spring seat 11；The front end of the lower link 7a and the corresponding drop-down
Belt wheel 6a rotation connections are stretched, the middle part of the lower link 7a is rotatablely connected with the corresponding lower passive belt wheel 9a, the lower company
The rear end of bar 7a is hinged with the front end of down regulation spring 10a, and the rear end of the up regulation spring 10 is connect with lower spring cup 11a.
It should be noted that regulation and control spring with the connection of corresponding spring base it is also contemplated that it is fixed, slide it is fixed
Or the mode of the mounting hole of uniform intervals setting is set on spring base and carries out connection to spring.It slides fixed or sets multiple fixations
Hole is advantageous in that, can suitably adjust fan-shaped size.
Further, the quantity of the upper arch stretching zone circle 4 and lower arch stretching zone circle 4a each other draw by even odd number, upper arch
The quantity for stretching zone circle 4 is 10-30, and the quantity that lower arch stretches zone circle 4a is 9-29.
Further, it is that the consistent stainless steel band of specification connects that the upper arch, which stretches zone circle 4 and lower arch stretching zone circle 4a,
It is connected into cyclic annular (circle), the width of the stainless steel band is 3-10mm, thickness 0.3-1mm.
Deflecting angle station 3, first time deflecting angle station 2a, second time change on deflecting angle station 2, second on first
Structure to angle station 3a is identical；
As shown in Figure 4, Figure 5, deflecting angle station 2 includes deflecting corner seat 2-3A, deflecting axis 2-3B, corner wheel on first
2-3C；Deflecting axis 2-3B is 2, and corner wheel 2-3C is located between 2 deflecting axis 2-3B, and deflecting axis 2-3B, corner wheel 2-3C are equal
On deflecting corner seat 2-3A deflecting axis 2-3B, corner wheel 2-3C, deflecting axis 2-3B at certain angle (such as：91-179 degree)
Degree arrangement, deflecting axis, corner wheel are rotatable, and the corner wheel 2-3C is to determine corner wheel angulus pyramidis according to corner }.
For 5 section of upper oriented chute at v-shaped, small end is downward, small end be provided with 0.3-1.0mm, width 2-8mm depths groove,
Make arch stretch circle band 4 to run in the sliding slot that the steel band during rubbish stretches section is inserted upwardly into upper oriented chute 5, upper oriented chute
5 upper end is connect by upper hopper chute connecting plate 13 with upper hopper chute connecting cross beam 14；The lower oriented chute 5a sections are at v-shaped, small end
Upwards, small end be provided with 0.3-1.0mm, width 2-8mm depths groove, so that lower arch is stretched under circle band 4a is downwardly into stretch section
It is run in sliding slot in oriented chute 5a；The lower end of lower oriented chute 5a is by gliding groove connecting plate 13a and gliding groove connecting cross beam
14a connections.
In stretch section, be in the one side of stretched film by stretched film it is even it is equal be divided into 10-30 rows, 20-60 face multirow
The synchro-draw of multi-panel 3 D stereo；
It is that upper arch stretches circle, lower arch stretches circle band and realized to the gradual incision of stretched film top and bottom in stretch section
Stretched vertically, while the planar stretch run to big end from the small end of sector to interphase realize that vertical, plane synchronization carries out
3 D stereo bi-directional synchronization stretch.
The stretching device is also applied for the cross directional stretch of other plastic films.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.
Apparatus of the present invention are also practically applicable to the cross directional stretch processing of other plastic films.
Claims (14)
1. a kind of multirow multi-panel 3 D stereo bi-directional synchronization stretching device of microporous teflon membran in cross directional stretch, special
Sign is to include that upper arch stretching circle row and lower arch stretch circle and arrange, and upper arch stretches circle ranking and stretches the upper of the row of circle in lower arch
Side；Upper arch stretching circle row is mounted at fan-shaped in the stretch section of lateral stenter by 10-30 upper arch stretching snares；Lower bow
Shape stretching circle row is mounted at fan-shaped in the stretch section of lateral stenter by 9-29 lower arch stretching snares.
2. a kind of multirow multi-panel 3 D stereo of the microporous teflon membran according to claim 1 in cross directional stretch is double
To synchronous stretching device, it is characterised in that：It includes upper driving pulley (1), upper stretching belt wheel (6), upper quilt that upper arch, which stretches snare,
Movable belt pulley (9), upper arch stretch zone circle (4), upper arch stretch zone circle (4) be circlewise wound on driving pulley (1) and it is upper passively
On belt wheel (9), upper stretching belt wheel (6) be located at upper arch stretch zone circle (4) institute circlewise in, it is upper stretch belt wheel (6) lower side pressure
It is stretched on zone circle (4) in upper arch；Upper driving pulley (1), upper stretching belt wheel (6), upper passive belt wheel (9) are along polytetrafluoroethylene (PTFE)
Microporous barrier direction of advance is sequentially arranged successively, and upper driving pulley (1) and the upper region stretched between belt wheel (6) are stretch section, on
It is sizing section to stretch the region between belt wheel (6) and upper passive belt wheel (9)；
It includes lower driving pulley (1a), lower stretching belt wheel (6a), lower passive belt wheel (9a), the stretching of lower arch that lower arch, which stretches snare,
Zone circle (4a), lower arch stretch zone circle (4a) and are circlewise wound on lower driving pulley (1a) and lower passive belt wheel (9a), lower stretching
Belt wheel (6a) be located at lower arch stretch zone circle (4a) institute circlewise in, it is lower stretch belt wheel (6a) upper end head on lower arch tension belt
It encloses (4a)；Lower driving pulley (1a), lower stretching belt wheel (6a), lower passive belt wheel (9a) are along microporous teflon membran advance side
It is arranged to sequence successively, lower driving pulley (1a) and the lower region stretched between belt wheel (6a) are stretch section, lower stretching belt wheel
Region between (6a) and lower passive belt wheel (9a) is sizing section；
Parallel interval is arranged up and down for upper driving pulley (1), lower driving pulley (1a), upper driving pulley (1) and lower driving pulley
The gap fed for microporous teflon membran to be tensioned is formed between (1a)；
The adjacent upper stretching belt wheel (6) and lower stretching belt wheel (6a) up and down staggeredly and the setting that partly overlaps, the upper arch
The central point for stretching the upper stretching belt wheel (6) of circle row is offset downward between upper driving pulley (1), upper passive belt wheel (9) two-wheeled
20-100mm；Lower arch stretches the central point of the lower stretching belt wheel (6a) of circle row in lower driving pulley (1a), lower passive belt wheel
20-100mm is offset up between (9a) two-wheeled.
3. a kind of multirow multi-panel 3 D stereo of the microporous teflon membran according to claim 2 in cross directional stretch is double
To synchronous stretching device, it is characterised in that：Uniform intervals are provided with multiple upper stretching troughs of belt on the upper driving pulley (1), on
The number for stretching trough of belt is corresponding with the number of upper arch stretching zone circle (4), and upper arch tension belt snare is on upper stretching trough of belt；
Uniform intervals are provided with multiple lower stretching troughs of belt on the lower driving pulley (1a), and the lower number for stretching trough of belt is stretched with lower arch
The number of zone circle (4a) is corresponding, and lower arch tension belt snare is on lower stretching trough of belt.
4. a kind of multirow multi-panel 3 D stereo of the microporous teflon membran according to claim 2 in cross directional stretch is double
To synchronous stretching device, it is characterised in that：Upper arch stretches zone circle (4) in the front end for entering driving pulley 1, is provided on first
Deflecting angle station (2) stretches zone circle (4) exit in the upper arch of upper driving pulley (1), is provided with deflecting corner on second
Device (3)；
Lower arch stretches zone circle (4a) in the front end for entering driving pulley (1a), is provided with first time deflecting angle station (2a),
The exit zone circle (4a), which is stretched, in the lower arch of lower driving pulley (1a) is provided with second time deflecting angle station (3a)；
In stretch section：The top that upper arch stretches zone circle (4) is equipped with upper oriented chute (5), the upper bow in control in oriented chute
The edge of a knife that shape stretches zone circle (4) is run down；The lower section that lower arch stretches zone circle (4a) is equipped with lower oriented chute (5a), under control
The edge of a knife that lower arch in oriented chute stretches zone circle (4a) is run up.
5. a kind of multirow multi-panel three-dimensional of the microporous teflon membran according to claim 1 or 2 in cross directional stretch is vertical
Body bi-directional synchronization stretching device, it is characterised in that：The upper arch stretching circle that upper arch stretches zone circle row is set on lower arch drawing
The adjacent lower arch for stretching circle row stretches among the gap of snare, and the lower arch tension belt circle that lower arch stretches circle row is set on
The adjacent upper arch that arch stretches circle row stretches among the gap of snare.
6. a kind of multirow multi-panel 3 D stereo of the microporous teflon membran according to claim 2 in cross directional stretch is double
To synchronous stretching device, it is characterised in that：Per a pair of corresponding upper stretching belt wheel (6) and upper passive belt wheel (9) by connecting on two
Bar (7) is hinged, hinged by two lower links (7a) per a pair of corresponding lower stretching belt wheel (6a) and lower passive belt wheel (9a), described
Connecting rod (7) is slidably fixed on by upper connecting rod locating piece (8) on upper connecting rod seat (12), and the lower link (7a) is fixed by lower link
Position block (8a) is slidably fixed on lower link seat；
The every corresponding two upper connecting rod locating pieces (8) of the upper connecting rod (7) and two upper connecting rod seats (12), every institute
State the corresponding two lower link locating pieces (8a) of lower link (7a) and two lower link seats；
The upper connecting rod seat (12) and lower link seat are the long straight-bar vertical with the microporous teflon membran direction of advance,
The long straight-bar, which is equipped with, to be stretched along its length so that the upper connecting rod locating piece (8) or lower link locating piece (8a) are caught in
Sliding slot, the both ends of the long straight-bar are connect with the supporting rack being fixed on ground.
7. a kind of multirow multi-panel 3 D stereo of the microporous teflon membran according to claim 6 in cross directional stretch is double
To synchronous stretching device, it is characterised in that：The front end of the upper connecting rod (7) connects with corresponding upper stretching belt wheel (6) rotation
Connect, the middle part of the upper connecting rod (7) and the corresponding passive belt wheel (9) are rotatablely connected, the rear end of the upper connecting rod (7) with
The front end of up regulation spring (10) is hinged, and the rear end of the up regulation spring (10) is connect with upper spring seat (11)；The lower company
The front end of bar (7a) is rotatablely connected with the corresponding lower stretching belt wheel (6a), middle part and the corresponding institute of the lower link (7a)
Lower passive belt wheel (9a) rotation connection is stated, the rear end of the lower link (7a) is hinged with the front end of down regulation spring (10a), described
The rear end of up regulation spring (10) is connect with lower spring cup (11a).
8. a kind of multirow multi-panel 3 D stereo of the microporous teflon membran according to claim 2 in cross directional stretch is double
To synchronous stretching device, it is characterised in that：The upper arch stretches zone circle (4) and lower arch stretches the quantity of zone circle (4a) each other
Even odd number, the quantity that upper arch stretches zone circle (4) are 10-30, and the quantity that lower arch stretches zone circle (4a) is 9-29.
9. a kind of multirow multi-panel 3 D stereo of the microporous teflon membran according to claim 2 in cross directional stretch is double
To synchronous stretching device, it is characterised in that：It is specification one that the upper arch, which stretches zone circle (4) and lower arch stretching zone circle (4a),
Circlewise, the width of the stainless steel band is 3-10mm, thickness 0.3-1mm for the stainless steel band connection of cause.
10. a kind of multirow multi-panel 3 D stereo of the microporous teflon membran according to claim 2 in cross directional stretch
Bi-directional synchronization stretching device, it is characterised in that：It is formed between upper driving pulley (1) and lower driving pulley (1a) and is gathered for be tensioned
The thickness in the gap of tetrafluoroethene microporous barrier feeding is 3-10mm.
11. a kind of multirow multi-panel 3 D stereo of the microporous teflon membran according to claim 4 in cross directional stretch
Bi-directional synchronization stretching device, it is characterised in that：Deflecting angle station (2) on first, deflecting angle station (3), first on second
Lower deflecting angle station (2a), the structure of second time deflecting angle station (3a) are identical；
Deflecting angle station (2) includes deflecting corner seat (2-3A), deflecting axis (2-3B), corner wheel (2-3C) on first；Deflecting
Axis (2-3B) is 2, and corner wheel (2-3C) is located between 2 deflecting axis (2-3B), and deflecting axis (2-3B), corner wheel (2-3C) are equal
On deflecting corner seat (2-3A).
12. a kind of multirow multi-panel 3 D stereo of the microporous teflon membran according to claim 4 in cross directional stretch
Bi-directional synchronization stretching device, it is characterised in that：Upper oriented chute (5) section is at v-shaped, and small end is downward, and small end is provided with 0.3-
1.0mm, the grooves of width 2-8mm depths, so that arch is stretched the sliding slot that circle band (4) is inserted into rubbish stretches section in upper oriented chute (5)
Middle operation, upper oriented chute (5) are connect by upper hopper chute connecting plate (13) with upper hopper chute connecting cross beam (14)；The lower oriented chute
For (5a) section at v-shaped, small end is upward, small end be provided with 0.3-1.0mm, width 2-8mm depths groove, so that lower arch is stretched circle band (4a)
It is run in sliding slot under being inserted into stretch section in oriented chute (5a)；Lower oriented chute (5a) is by gliding groove connecting plate (13a)
It is connect with gliding groove connecting cross beam (14a).
13. a kind of multirow multi-panel 3 D stereo of the microporous teflon membran according to claim 4 in cross directional stretch
Bi-directional synchronization stretching device, it is characterised in that：It is equal to be divided into 10- by stretched film is even in the one side of stretched film in stretch section
30 rows, 20-60 face multirow multi-panel 3 D stereo synchro-draw；
It is that upper arch stretching is enclosed, lower arch stretches circle band and cuts the vertical of realization to the gradual of stretched film top and bottom in stretch section
It stretches, while the planar stretch that big end is run from the small end of sector to interphase, realizes vertical, plane synchronization carries out three
The three-dimensional bi-directional synchronization of dimension stretches.
14. a kind of multirow multi-panel 3 D stereo of the microporous teflon membran according to claim 1 in cross directional stretch
Bi-directional synchronization stretching device, it is characterised in that：The stretching device is also applied for the cross directional stretch of other plastic films.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810170311.0A CN108407267A (en) | 2018-03-01 | 2018-03-01 | Multirow multi-panel 3 D stereo bi-directional synchronization stretching device of the microporous teflon membran in cross directional stretch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810170311.0A CN108407267A (en) | 2018-03-01 | 2018-03-01 | Multirow multi-panel 3 D stereo bi-directional synchronization stretching device of the microporous teflon membran in cross directional stretch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108407267A true CN108407267A (en) | 2018-08-17 |
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|---|---|---|---|
| CN201810170311.0A Pending CN108407267A (en) | 2018-03-01 | 2018-03-01 | Multirow multi-panel 3 D stereo bi-directional synchronization stretching device of the microporous teflon membran in cross directional stretch |
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| Country | Link |
|---|---|
| CN (1) | CN108407267A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103301757A (en) * | 2013-06-13 | 2013-09-18 | 章新安 | W-shaped horizontal spreading and automatic row-by-row control device for PTFE (polytetrafluoroethylene) microporous membrane |
| 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 |
-
2018
- 2018-03-01 CN CN201810170311.0A patent/CN108407267A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103301757A (en) * | 2013-06-13 | 2013-09-18 | 章新安 | W-shaped horizontal spreading and automatic row-by-row control device for PTFE (polytetrafluoroethylene) microporous membrane |
| 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 |
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