CN114775138A - Preparation process of PTFE (Polytetrafluoroethylene) bulked woven fabric - Google Patents
Preparation process of PTFE (Polytetrafluoroethylene) bulked woven fabric Download PDFInfo
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- CN114775138A CN114775138A CN202210092655.0A CN202210092655A CN114775138A CN 114775138 A CN114775138 A CN 114775138A CN 202210092655 A CN202210092655 A CN 202210092655A CN 114775138 A CN114775138 A CN 114775138A
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
- D03D15/40—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the structure of the yarns or threads
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- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/02—Yarns or threads characterised by the material or by the materials from which they are made
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- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/22—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
- D02G3/24—Bulked yarns or threads, e.g. formed from staple fibre components with different relaxation characteristics
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- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02H—WARPING, BEAMING OR LEASING
- D02H13/00—Details of machines of the preceding groups
- D02H13/22—Tensioning devices
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- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02H—WARPING, BEAMING OR LEASING
- D02H13/00—Details of machines of the preceding groups
- D02H13/22—Tensioning devices
- D02H13/26—Tensioning devices for threads in warp form
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
- D03D15/20—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads
- D03D15/283—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads synthetic polymer-based, e.g. polyamide or polyester fibres
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Woven Fabrics (AREA)
Abstract
The invention belongs to the technical field of needled felts, and particularly relates to a preparation process of PTFE (polytetrafluoroethylene) bulked woven fabric, which comprises the following steps of: firstly, twisting monofilaments in the warp direction, not twisting monofilaments in the weft direction, adopting 400D-600D conventional PTFE yarns in the warp direction, and adopting 1500D-2500D expanded PTFE yarns in the weft direction; step two, warping, namely winding warp yarns on a loom beam by warping equipment; step three, weaving on a machine, controlling the tension of warp yarns and weft yarns during weaving on the machine, wherein the weave structure of the fabric is plain weave, satin weave or twill weave,the thickness of the fabric is 0.6-0.7mm, the gram weight of the fabric is 500-3Square meter per minute. According to the preparation process of the PTFE bulked woven fabric, the filter holes of the fabric woven by the warp yarns and the weft yarns on the machine are not bent, the preparation process is simple, and the fabric is not easy to block, so that the fabric can be recycled.
Description
Technical Field
The invention relates to the technical field of needled felts, in particular to a preparation process of PTFE (polytetrafluoroethylene) bulked woven fabric.
Background
The needle felt filter material has good air permeability, and after heat treatment, the surface is flat and smooth, and is not easy to deform and clean. The hydrophobic and oleophobic polyester needled felt filter material has hydrophobic performance, so that when the filter material is applied to smoke with high moisture content or little oil stain, the filter material can prevent bag pasting and prolong the service life;
the acupuncture filtration pore of current acupuncture filter felt is crooked shape, after using through a period of time, the dust can be piled up in the filtration pore of bending, be not convenient for carry out the deashing to acupuncture filter felt, cause the filtration pore to block up, the cyclic utilization rate of acupuncture filter felt has been reduced, and current warping equipment is when using, along with the increase of the yarn of coiling, the compression roller can't produce the displacement thereupon, the rate of tension that leads to the yarn can change thereupon, the rate of tension when leading to carrying out the warping to the yarn is different, influence follow-up use.
Disclosure of Invention
The invention provides a preparation process of PTFE bulked woven fabric, which is based on the technical problems that needle-punched filter holes of the existing needle-punched filter felt are bent, dust can be accumulated in the bent filter holes, ash removal is inconvenient to the needle-punched filter felt, and the tightness of yarns can be changed along with the increase of wound yarns when the existing warping equipment is used, so that the tightness of warping yarns is different, and subsequent use is influenced.
The invention provides a preparation process of PTFE bulked woven fabric, which comprises the following steps:
step one, twisting warp monofilaments and not twisting weft monofilaments;
step two, warping, namely winding warp yarns on a loom beam by warping equipment;
and step three, weaving on a machine, and controlling the tension of the warp yarns and the weft yarns during weaving on the machine.
Preferably, in the first step, 400D-600D of conventional PTFE yarn is adopted in the warp direction, and 1500D-2500D of expanded PTFE yarn is adopted in the weft direction.
The warp direction preferably uses 500D conventional PTFE yarn and the fill direction preferably uses 1600D expanded PTFE yarn.
Preferably, in the third step, the fabric weave structure is plain weave, satin weave or twill weave, the fabric thickness is 0.6-0.7mm, the fabric gram weight is 500-700 g/square meter, the warp yarn strength is 3000N/5 x 20 cm, the weft yarn strength is 1500N/5 x 20 cm, and the air permeability of the fabric is 5-10m3Square meter per minute, and preferably 5m3/㎡·min。
Preferably, the warping equipment comprises a mounting seat, a guide roller and a weaving shaft, wherein a first sliding groove and a second sliding groove are formed in the opposite surfaces of the two sides of the mounting seat, a first sliding block and a second sliding block are respectively inserted into the inner walls of the first sliding groove and the second sliding groove in a sliding manner, mounting holes are formed in the middle parts of the first sliding block and the second sliding block, a first connecting rod and a second connecting rod are respectively and fixedly connected to the inner walls of the two mounting holes, rollers are movably sleeved on the outer surfaces of the first connecting rod and the second connecting rod, the rollers on the outer surface of the first connecting rod are in contact with the outer surface of the weaving shaft, linkage devices are respectively arranged on the inner walls of the two ends of the mounting seat, and each linkage component comprises a first linkage rod and a second linkage rod;
the angle adjusting device comprises a limiting connecting plate, the limiting connecting plate is rotatably sleeved on the outer surface of one end of the first connecting rod, a guide sliding groove is formed in the surface of one side of the limiting connecting plate, and the outer surface of one end of the second connecting rod is slidably sleeved with the inner wall of the guide sliding groove.
Preferably, a first communicating port is formed in an inner top wall of the first sliding chute, a first hydraulic cavity is formed in the inner top wall of the first communicating port, a first linkage rod is fixedly connected to the upper surface of the first sliding block, the outer surface of the middle of the first linkage rod is movably inserted into the inner wall of the first communicating port, the outer surface of the upper end of the first linkage rod is movably inserted into the inner wall of the first hydraulic cavity, a first piston is fixedly connected to the surface of the upper end of the first linkage rod, and a flow groove is formed in the inner wall of one side of the top end of the first hydraulic cavity;
through the technical scheme, the effect that the first linkage rod is driven to move synchronously through the movement of the first sliding block is achieved, and the first piston at the upper end of the first linkage rod pushes hydraulic oil in the first hydraulic cavity.
Preferably, a second communicating port is formed in the inner bottom wall of the second sliding chute, a second hydraulic cavity is formed in the inner bottom wall of the second communicating port, the second linkage rod is movably inserted into the inner wall of the second hydraulic cavity, a second piston is fixedly connected to the lower surface of the second linkage rod, the outer surface of the middle of the second linkage rod is movably sleeved with the inner wall of the second communicating port, the upper surface of the second linkage rod is fixedly connected with the lower surface of the second sliding block, and hydraulic oil is arranged on the inner wall of the first hydraulic cavity;
through above-mentioned technical scheme, reached and promoted the hydraulic oil in the first hydraulic pressure intracavity to the second hydraulic pressure intracavity through the flowing groove, and then promoted the second linkage pole for the second linkage pole carries out the effect that promotes to the second slider.
Preferably, one side surface of the limiting connecting plate is provided with six first clamping grooves distributed in an annular array, one end surface of the first connecting rod is provided with a first set of interface, the inner side wall of the first set of interface is provided with two symmetrically distributed mounting grooves, the inner wall of one end of each of the two mounting grooves is fixedly connected with a first spring, and the free ends of the two first springs are fixedly connected with a first limiting block;
through above-mentioned technical scheme, reached and controlled first stopper through first spring, carried out the effect of leading to first stopper through the mounting groove.
Preferably, the inner wall activity of first set of interface is pegged graft and is had the spliced pole, the second joint groove has all been seted up on the both sides surface of spliced pole, one of them the through-hole has been seted up to one side inner wall in second joint groove, just the one end of through-hole runs through and extends to another the inner wall in second joint groove, two third spouts that are symmetric distribution are seted up to one side inner wall of through-hole.
Preferably, two extrusion blocks distributed in a mirror image manner are movably inserted into the inner wall of the through hole, one side surface of each extrusion block is inclined, the lower surfaces of the two extrusion blocks are fixedly connected with third sliding blocks, the outer surfaces of the two third sliding blocks are respectively in sliding insertion with the inner walls of the two third sliding grooves, the inner wall of one side of each of the two third sliding grooves is fixedly connected with a second spring, the free ends of the two second springs are respectively and fixedly connected with the surface of one side of each of the two third sliding blocks, an insertion port is formed in the surface of one end of the connecting column, and an expansion port is formed in the inner side wall of the insertion port;
through above-mentioned technical scheme, reached the slope terminal surface through the extrusion piece, be convenient for extrude the piece for two extrusion pieces remove to both sides, lead to the third slider through the third spout, and the second spring loses the extrusion back at the extrusion piece, drives the effect that the extrusion piece resets.
Preferably, a trigger rod is movably inserted into the inner wall of the expansion port, the outer surface of one end of the trigger rod is in the shape of a conical round table, a limiting ring is fixedly sleeved on the outer surface of the middle part of the trigger rod, the outer surface of the limiting ring is movably sleeved with the inner wall of the expansion port, a third spring is fixedly connected to the surface of one end of the expansion port, the free end of the third spring is fixedly connected to the surface of one end of the limiting ring, six clamping claws in an annular array are fixedly connected to the outer surface of one end of the connecting column, and the outer surfaces of the six clamping claws are respectively movably inserted into the inner walls of the six first clamping grooves;
through above-mentioned technical scheme, reached through the extrusion of trigger lever to the extrusion piece, two extrusion pieces extrude two first stoppers for in first stopper retraction mounting groove, and then the spacing effect of cancellation to the spliced pole.
The beneficial effects of the invention are as follows:
1. the filter holes of the fabric woven by the warp yarns and the weft yarns on the machine are not bent, so that the manufacturing process is simple, the fabric is not easy to block, and the fabric can be recycled.
2. Through setting up aggregate unit, it rises in first spout to have reached to drive first slider through first connecting rod, and then drive first gangbar and rise and extrude the hydraulic oil in the first hydraulic pressure intracavity, make the hydraulic oil in the first hydraulic pressure intracavity flow to the second hydraulic pressure intracavity through the groove that flows, promote the second gangbar, make the second slider rise along with the rising of first slider, the distance between control head rod and the second connecting rod remains unchanged throughout, make the rate of tension of yarn at the coiling in-process unanimous throughout, and then improve the warping effect.
3. Through setting up angle adjusting device, it extrudees two extrusion pieces to have reached the end through the trigger bar, two extrusion pieces extrude two first stoppers, make first stopper retract in the mounting groove, and then the cancellation is spacing to the spliced pole, take the spliced pole out from first set of interface, make the joint claw take out from first joint inslot, rotatory spacing connecting plate, when spacing connecting plate is rotatory, slide in the direction spout of second connecting rod, insert the spliced pole again in first socket, make first stopper insert the second joint inslot under the effect of first spring, it is spacing to the spliced pole, adjust the angle between head rod and the second connecting rod, and then adjust the effect of the tensile force of warping equipment.
Drawings
FIG. 1 is a schematic view of a process for preparing a PTFE bulked woven fabric according to the present invention;
FIG. 2 is a partial cross-sectional view of a process for preparing a PTFE bulked woven fabric according to the present invention;
FIG. 3 is a sectional view of a first slider structure of a PTFE bulked woven fabric manufacturing process according to the present invention;
FIG. 4 is a perspective view of an angle adjustment device of a process for preparing expanded PTFE woven fabric according to the present invention;
FIG. 5 is a perspective view of a clamping claw structure of a PTFE bulked woven fabric manufacturing process according to the present invention;
fig. 6 is an enlarged view of a structure at a position a in fig. 3 of the manufacturing process of the expanded PTFE woven fabric according to the present invention.
In the figure: 1. a mounting seat; 2. a guide roller; 3. a beam of warp; 4. a first chute; 5. a second chute; 6. a first slider; 7. a second slider; 8. a first connecting rod; 9. a second connecting rod; 10. a drum; 11. a first linkage rod; 111. a second linkage rod; 112. a first communication port; 113. a first hydraulic chamber; 114. a flow channel; 115. a second communication port; 116. a second hydraulic chamber; 12. a limiting connecting plate; 121. a guide chute; 122. A first clamping groove; 123. a first set of interfaces; 124. mounting grooves; 125. a first spring; 126. a first stopper; 127. connecting columns; 128. a second clamping groove; 129. a through opening; 1210. a third chute; 1211. Extruding the block; 1212. a third slider; 1213. a second spring; 1214. an interface; 1215. a flexible opening; 1216. a trigger lever; 1217. a limiting ring; 1218. a third spring; 1219. a clamping claw.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-6, a preparation process of a PTFE bulked woven fabric comprises the following steps:
firstly, twisting warp monofilaments, not twisting weft monofilaments, adopting 400D-600D conventional PTFE yarns in the warp direction, and adopting 1500D-2500D expanded PTFE yarns in the weft direction.
The warp direction preferably uses 500D conventional PTFE yarn and the fill direction preferably uses 1600D expanded PTFE yarn.
And step two, warping, namely winding the warp yarns on a driving shaft by warping equipment.
Step three, weaving on a machine, controlling the tension of warp yarns and weft yarns during weaving on the machine, wherein the fabric weave structure is plain weave, satin weave or twill weave, the fabric thickness is 0.6-0.7mm, the fabric gram weight is 700 g/square meterThe strength of the warp yarn is 3000N/5 multiplied by 20 cm, the strength of the weft yarn is 1500N/5 multiplied by 20 cm, the laminating effect is achieved, and the air permeability of the fabric is 5-10m3Square meter per minute, and preferably 5m3/㎡·min。
The warping device comprises a mounting seat 1, a guide roller 2 and a weaving shaft 3, wherein a first sliding groove 4 and a second sliding groove 5 are respectively arranged on the opposite surfaces of the two sides of the mounting seat 1 for guiding a first sliding block 6 and a second sliding block 7, further, a first sliding block 6 and a second sliding block 7 are respectively inserted and connected on the inner walls of the first sliding groove 4 and the second sliding groove 5 in a sliding manner, a mounting hole is respectively arranged in the middle of the first sliding block 6 and the second sliding block 7 for mounting a first connecting rod 8 and a second connecting rod 9, a first connecting rod 8 and a second connecting rod 9 are respectively fixedly connected on the inner walls of the two mounting holes, rollers 10 are movably sleeved on the outer surfaces of the first connecting rod 8 and the second connecting rod 9, and in order that the first connecting rod 8 can ascend along with the increase of the amount of yarns wound on the weaving shaft 3, the rollers 10 on the outer surface of the first connecting rod 8 are in contact with the outer surface of the weaving shaft 3, the inner walls of the two ends of the mounting seat 1 are respectively provided with a linkage device, and the linkage part comprises a first linkage rod 11 and a second linkage rod 111.
The two side surfaces of the mounting base 1 are respectively provided with an angle adjusting device, the angle adjusting device comprises a limiting connecting plate 12, the limiting connecting plate 12 is rotatably sleeved on the outer surface of one end of the first connecting rod 8, in order to enable the second connecting rod 9 to move along with the movement of the first connecting rod 8, a guide chute 121 is arranged on one side surface of the limiting connecting plate 12, further, the outer surface of one end of the second connecting rod 9 is slidably sleeved with the inner wall of the guide chute 121, one side surface of the limiting connecting plate 12 is provided with six first clamping grooves 122 distributed in an annular array manner, one end surface of the first connecting rod 8 is provided with a first sleeve interface 123, the inner side wall of the first sleeve interface 123 is provided with two symmetrically distributed mounting grooves 124, the inner walls of one ends of the two mounting grooves 124 are respectively and fixedly connected with a first spring 125, and the free ends of the two first springs 125 are respectively and fixedly connected with a first limiting block 126, the effect that the first limiting block 126 is controlled by the first spring 125 and the first limiting block 126 is guided by the mounting groove 124 is achieved.
The inner wall activity of first set of interface 123 is pegged graft and is had the spliced pole 127, second joint groove 128 has all been seted up on the both sides surface of spliced pole 127, the one end surface of first stopper 126 is pegged graft with the inner wall activity of second joint groove 128, one side inner wall of one of them second joint groove 128 has been seted up and has been run through mouthful 129, and the one end that runs through mouthful 129 runs through and extends to the inner wall of another second joint groove 128, run through mouthful one side inner wall of 129 and set up two third spouts 1210 that are the symmetric distribution.
Two extrusion blocks 1211 distributed in a mirror image manner are movably inserted into the inner wall of the through hole 129, one side surface of each extrusion block 1211 is inclined, the lower surfaces of the two extrusion blocks 1211 are fixedly connected with third sliding blocks 1212, the outer surfaces of the two third sliding blocks 1212 are respectively inserted into the inner walls of the two third sliding grooves 1210 in a sliding manner, the inner walls of one sides of the two third sliding grooves 1210 are respectively fixedly connected with second springs 1213, the free ends of the two second springs 1213 are respectively fixedly connected with one side surfaces of the two third sliding blocks 1212, one end surface of the connecting column 127 is provided with an insertion port 1214, the inner side wall of the insertion port 1214 is provided with a telescopic port 1215, the inclined end surface passing through the extrusion blocks 1211 is reached, the extrusion blocks 1211 are conveniently extruded, the two extrusion blocks 1211 move towards two sides, the third sliding grooves 1212 are guided through the third sliding grooves 1210, and the second springs 1213 lose the extrusion blocks 1211, bringing the extrusion block 1211 to reset.
The inner wall of the telescopic opening 1215 is movably inserted with a trigger rod 1216, the outer surface of one end of the trigger rod 1216 is in the shape of a cone frustum, the outer surface of the middle part of the trigger rod 1216 is fixedly sleeved with a limit ring 1217, the outer surface of the limit ring 1217 is movably sleeved with the inner wall of the telescopic opening 1215, the surface of one end of the telescopic opening 1215 is fixedly connected with a third spring 1218, the free end of the third spring 1218 is fixedly connected with the surface of one end of the limit ring 1217, the outer surface of one end of the connecting column 127 is fixedly connected with six clamping claws 1219 in an annular array, the outer surfaces of the six clamping claws 1219 are respectively movably inserted with the inner walls of the six first clamping grooves 122, so that the extrusion of the extrusion blocks 1216 by the trigger rod 1216 is achieved, and the two extrusion blocks 1211 extrude the two first limiting blocks 126 to enable the first limiting blocks 1211 to be retracted into the mounting groove 124, and further cancel the limiting effect on the connecting column 127.
The working principle is as follows: the worker adjusts the angle of the limiting connecting plate 12, presses down the trigger rod 1216 by the worker, so that the tail end of the trigger rod 1216 extrudes the two extrusion blocks 1211, the two extrusion blocks 1211 extrude the two first limiting blocks 126, the first limiting blocks 126 retract into the mounting groove 124, and further the limiting of the connecting column 127 is cancelled, the worker extracts the connecting column 127 from the first set of interfaces 123, so that the clamping claws 1219 are extracted from the first clamping grooves 122, rotates the limiting connecting plate 12, when the limiting connecting plate 12 rotates, the second connecting rod 9 slides in the guide sliding groove 121, and then inserts the connecting column 127 into the first set of interfaces 123, so that the first limiting blocks 126 are inserted into the second clamping grooves 128 under the action of the first springs 125, and limit the connecting column 127;
along with the more and more yarn that the driving shaft 3 convolutes, the diameter of driving shaft 3 is along with increasing, and then drive first connecting rod 8 and rise, first connecting rod 8 drives first slider 6 and rises in first spout 4, and then drive first gangbar 11 and rise and extrude the hydraulic oil in first hydraulic pressure chamber 113, make the hydraulic oil in first hydraulic pressure chamber 113 flow to second hydraulic pressure chamber 116 in through flow groove 114, promote second gangbar 111, make second slider 7 rise along with the rising of first slider 6, the distance between control first connecting rod 8 and the second connecting rod 9 remains the invariant throughout, and then guarantee that the rate of tension of yarn remains the invariant.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. A preparation process of PTFE bulked woven fabric is characterized in that: the method comprises the following steps:
step one, twisting warp monofilaments and not twisting weft monofilaments;
step two, warping, namely winding warp yarns on a driving shaft by warping equipment;
and step three, weaving on a machine, and controlling the tension of the warp yarns and the weft yarns during weaving on the machine.
2. The process for preparing a PTFE expanded woven fabric according to claim 1, wherein: in the first step, 400D-600D of conventional PTFE yarn is adopted in the warp direction, and 1500D-2500D of expanded PTFE yarn is adopted in the weft direction.
3. The process for preparing a PTFE expanded woven fabric according to claim 1, wherein: in the third step, the fabric weave structure is plain weave or satin weavePattern or twill, the thickness of the fabric is 0.6-0.7mm, the gram weight of the fabric is 500-700 g/square meter, the strength of the warp yarn is 3000N/5 multiplied by 20 cm, the strength of the weft yarn is 1500N/5 multiplied by 20 cm, and the air permeability of the fabric is 5-10m3/㎡·min。
4. The process for preparing expanded PTFE woven fabric according to claim 1, wherein: the warping equipment comprises a mounting seat (1), guide rollers (2) and a weaving shaft (3), wherein a first sliding groove (4) and a second sliding groove (5) are formed in the opposite surfaces of the two sides of the mounting seat (1), a first sliding block (6) and a second sliding block (7) are inserted into the inner walls of the first sliding groove (4) and the second sliding groove (5) in a sliding mode respectively, mounting holes are formed in the middle parts of the first sliding block (6) and the second sliding block (7), a first connecting rod (8) and a second connecting rod (9) are fixedly connected to the inner walls of the two mounting holes respectively, a roller (10) is movably sleeved on the outer surfaces of the first connecting rod (8) and the second connecting rod (9), the roller (10) on the outer surface of the first connecting rod (8) is in contact with the outer surface of the weaving shaft (3), and linkage devices are arranged on the inner walls of the two ends of the mounting seat (1), the linkage component comprises a first linkage rod (11) and a second linkage rod (111);
the angle adjusting device is characterized in that angle adjusting devices are arranged on the surfaces of the two sides of the mounting seat (1) and comprise limiting connecting plates (12), the limiting connecting plates (12) are rotatably sleeved on the outer surfaces of the ends of the first connecting rods (8), guide sliding grooves (121) are formed in one side surfaces of the limiting connecting plates (12), and the outer surfaces of the ends of the second connecting rods (9) are slidably sleeved with the inner walls of the guide sliding grooves (121).
5. The process for preparing a PTFE expanded woven fabric according to claim 4, wherein: first intercommunication mouth (112) have been seted up to the interior roof of first spout (4), first hydraulic pressure chamber (113) have been seted up to the interior roof of first intercommunication mouth (112), first gangbar (11) fixed connection in the upper surface of first slider (6), the middle part surface of first gangbar (11) with the inner wall activity of first intercommunication mouth (112) is pegged graft, just the upper end surface of first gangbar (11) with the inner wall activity of first hydraulic pressure chamber (113) is pegged graft, the upper end fixed surface of first gangbar (11) is connected with first piston, flow groove (114) have been seted up to one side inner wall on first hydraulic pressure chamber (113) top.
6. The process for preparing a PTFE expanded woven fabric according to claim 5, wherein: second intercommunication mouth (115) have been seted up to the inner bottom wall of second spout (5), second hydraulic chamber (116) have been seted up to the inner bottom wall of second intercommunication mouth (115), second linkage rod (111) activity peg graft in the inner wall in second hydraulic chamber (116), the lower fixed surface of second linkage rod (111) is connected with the second piston, the middle part surface of second linkage rod (111) with the inner wall activity of second intercommunication mouth (115) is cup jointed, the upper surface of second linkage rod (111) with the lower fixed surface of second slider (7) is connected, the inner wall in first hydraulic chamber (113) is provided with hydraulic oil.
7. The process for preparing a PTFE expanded woven fabric according to claim 4, wherein: six first joint grooves (122) that are the ring array and distribute are seted up to a side surface of spacing connecting plate (12), first set interface (123) have been seted up on the one end surface of head rod (8), two mounting grooves (124) that are the symmetric distribution are seted up to the inside wall of first set interface (123), two the equal fixedly connected with first spring (125) of the one end inner wall of mounting groove (124), two the equal fixedly connected with first stopper (126) of the free end of first spring (125).
8. The process for preparing expanded PTFE woven fabric according to claim 7, wherein: the inner wall activity of first set of interface (123) is pegged graft and is had spliced pole (127), second joint groove (128) have all been seted up on the both sides surface of spliced pole (127), one of them through-hole (129) have been seted up to one side inner wall in second joint groove (128), just the one end of through-hole (129) is run through and is extended to another the inner wall in second joint groove (128), two third spout (1210) that are the symmetric distribution are seted up to one side inner wall of through-hole (129).
9. The process for preparing expanded PTFE woven fabric according to claim 8, wherein: the inner wall activity of running-through mouth (129) is pegged graft and is had two extrusion blocks (1211) that are the mirror image and distribute, a side surface of extrusion block (1211) is the slope form, two the equal fixedly connected with third slider (1212) of lower surface of extrusion block (1211), and two the surface of third slider (1212) respectively with two the inner wall slip grafting of third spout (1210), two the equal fixedly connected with second spring (1213) of one side inner wall of third spout (1210), two the free end of second spring (1213) respectively with two a side fixed surface of third slider (1212) is connected, interface (1214) have been seted up to the one end surface of spliced pole (127), flexible mouthful (1215) have been seted up to the inside wall of interface (1214).
10. The process for preparing a PTFE bulked woven fabric according to claim 9, wherein: the utility model discloses a flexible joint, including telescopic joint (1215), the inner wall activity of telescopic joint (1215) is pegged graft and is had trigger bar (1216), the one end surface of trigger bar (1216) is toper round platform shape, the middle part external surface fixed cup joint of trigger bar (1216) has spacing ring (1217), the surface of spacing ring (1217) with the inner wall activity of telescopic joint (1215) is cup jointed, the one end fixed surface of telescopic joint (1215) is connected with third spring (1218), just the free end of third spring (1218) with the one end fixed surface of spacing ring (1217) is connected, the one end external surface fixed surface of spliced pole (127) is connected with six joint claws (1219) that are the annular array, six the surface of joint claw (1219) respectively with six the inner wall activity grafting of first joint groove (122).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| EP1219738A1 (en) * | 2000-12-28 | 2002-07-03 | Benninger AG | Method of manufacture of at least two warp beams of identical quality |
| JP2003129348A (en) * | 2001-10-23 | 2003-05-08 | Washi Kosan Co Ltd | Yarn warping mechanism in warping machine |
| CN201257335Y (en) * | 2008-09-04 | 2009-06-17 | 上海博格工业用布有限公司 | Film-coating filter felt on glass fiber woven fabric |
| CN105386213A (en) * | 2015-12-15 | 2016-03-09 | 江苏华跃纺织新材料科技有限公司 | Polytetrafluoroethylene filament double-warp-yarn series connection single-weft-yarn mesh type filter felt base fabric |
| CN105561677B (en) * | 2016-02-02 | 2017-08-22 | 浙江严牌过滤技术股份有限公司 | A kind of manufacture method of woven filament filter cloth |
| CN210257538U (en) * | 2019-07-19 | 2020-04-07 | 浙江浩凯滤业股份有限公司 | PTFE (polytetrafluoroethylene) needled felt |
| CN110541224A (en) * | 2019-09-27 | 2019-12-06 | 淄博岜山织造有限公司 | novel multi-functional sectional warper |
| CN212077251U (en) * | 2020-04-10 | 2020-12-04 | 射阳华力纺织机械有限公司 | Parallel pressurization warper |
| CN111676568B (en) * | 2020-06-09 | 2021-12-03 | 海宁昱品环保材料有限公司 | PTFE base fabric special for spunlace and preparation process thereof |
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