CN110396855A - Aramid Paper hot press forming technology and equipment - Google Patents
Aramid Paper hot press forming technology and equipment Download PDFInfo
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- CN110396855A CN110396855A CN201910731898.2A CN201910731898A CN110396855A CN 110396855 A CN110396855 A CN 110396855A CN 201910731898 A CN201910731898 A CN 201910731898A CN 110396855 A CN110396855 A CN 110396855A
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- aramid
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- aramid fiber
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
- D21D1/00—Methods of beating or refining; Beaters of the Hollander type
- D21D1/02—Methods of beating; Beaters of the Hollander type
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F11/00—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F3/00—Press section of machines for making continuous webs of paper
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Abstract
The invention discloses Aramid Paper hot press forming technology and equipment, it is chosen including base-material, mashing dispersion, compression forming, hot pressing pre-treatment and hot-forming and etc., the aramid fiber paper for the pre-profiling that will acquire in hot pressing pre-treatment step is extended using extending apparatus, make to be evenly distributed on the outside of the aramid fiber paper of pre-profiling, this Aramid Paper hot press forming technology and equipment, the aramid fiber paper that humidity is had after drying compress the effect of extension by the extending apparatus, make aramid fiber paper carry out effective adjust to form, allow effectively to fill containing the biggish position of aramid fiber paper surface thickness to the position of aramid paper fiber surface thinner thickness simultaneously, the effect for making the surface thickness of mixed aramid fiber paper uniformly be extended, the further aramid fiber paper that improves is carrying out hot-forming efficiency.
Description
Technical field
The present invention relates to aramid paper manufacturing technology field, specially Aramid Paper hot press forming technology and set
It is standby.
Background technique
Aramid paper (also known as " aromatic polyamide paper "), using aramid fiber short fibre and aramid fiber fibrid as paper making raw material, tiltedly
Net is manufactured paper with pulp wet forming, then is made through hot press molding.
It is to mix chopped strand according to a certain percentage with Fanglun slurry cake when Aramid Paper carries out hot-forming
After conjunction, then drying hot pressing is carried out, and during hot pressing, since mixed aramid fiber paper is in uneven thickness, usually can
Aramid fiber paper after leading to hot pressing occurs overflowing or incomplete phenomenon, i.e., contains size on the outside of aramid fiber extrusion coating paper after molding
Non-uniform waste material fritter, and extra waste material is comparatively cumbersome being removed, so that the processing of aramid fiber extrusion coating paper is influenced,
For this purpose, it is proposed that Aramid Paper hot press forming technology and equipment.
Summary of the invention
The purpose of the present invention is to provide Aramid Paper hot press forming technology and equipment, to solve above-mentioned background
The problem of being proposed in technology.
To achieve the above object, the invention provides the following technical scheme: Aramid Paper hot press forming technology packet
Include following preparation step:
Step 1: base-material is chosen: weighing a certain proportion of aramid short fiber, Fanglun slurry cake and dispersing agent S, and aramid fiber is short
It cuts fiber and carries out chemical pretreatment, while Fanglun slurry cake being beaten in beater；
Step 2: mashing dispersion: aramid short fiber and Fanglun slurry cake in step 1 are formed and are thrown according to the ratio of 5:5 ~ 0:10
Enter in blending chest and is uniformly mixed；
Step 3: compression forming: header box valve is opened, and by being slurried inside investment to header box in step 2, and is used
Fan pump be delivered to inside head box to being slurried, while to inclined wire is put into inside head box, after immersing a period of time, by band
Have the inclined wire being slurried taking-up, place into squeezer to be slurried carry out squeezing remove water, then carry out drying obtain pre-profiling aramid fiber
Fibrous paper:
Step 4: hot pressing pre-treatment: the aramid fiber paper of the pre-profiling obtained in step 3 is extended using extending apparatus,
Make to be evenly distributed on the outside of the aramid fiber paper of pre-profiling；
Step 5: hot-forming: hot press to be preheated in advance, and preheating temperature is 180 DEG C, by the pre-profiling in step 3
Aramid fiber paper be put into hot press and carry out hot pressing, can be obtained aramid fiber paper.
Preferably, the beater that Fanglun slurry cake uses in the step 1 is trough-style pulp beater.
Preferably, by being compounded by surfactant L and import PEO, molecular weight is about dispersing agent S in the step 1
300 ~ 4,000,000, aqueous solution pH are neutrality.
Preferably, the L solution that the chopped first concentration at 60 DEG C of chopped strand is 1.2 × 10-3mol/L in the step 1
30min is cleaned in (LAS solution neopelex), to remove greasy dirt remained on surface in fiber manufacturing process, then
Be added PEO dosage from 0.1% ~ 1%(to bone dry fiber) carry out improve Fanglun slurry cake and chopped strand co-mixing system dispersion effect
With aramid paper paper properties.
Preferably, the hot press hot pressing pressure 14MPa in the step 5, hot pressing number 1 time, roller revolving speed 1r/min.
Aramid Paper hot-press forming device, including support plate and bottom plate, the bottom plate are fixedly connected on support
On plate, be fixedly connected with support frame in the support plate, and support frame is equipped with driving device, the driving device output end with
Extending apparatus is fixedly connected.
Compared with prior art, the beneficial effects of the present invention are:
1, extending apparatus is arranged in the present invention before progress is hot-forming, which will have the aramid fiber of humidity after drying
Paper compress the effect of extension, so that aramid fiber paper is carried out effective adjust and forms, while making containing aramid fiber paper surface
The biggish position of thickness can effectively be filled to the position of aramid paper fiber surface thinner thickness, make mixed aramid fiber
The effect that the surface thickness of paper is uniformly extended, the further aramid fiber paper that improves are carrying out hot-forming efficiency.
2, the present invention passes through the bottom plate being equipped with, to can be placed on the bottom plate wait the molding aramid fiber that extends
Paper, and effectively improve the contact area between extending apparatus and aramid fiber paper.
Detailed description of the invention
Fig. 1 is overall structure of the present invention；
Fig. 2 is another orientation schematic diagram of overall structure of the present invention；
Fig. 3 is movable sleeving structural schematic diagram of the present invention；
Fig. 4 is movable sleeving another party bit architecture schematic diagram of the present invention；
Fig. 5 is a-quadrant enlarged drawing in Fig. 3；
Fig. 6 is B area enlarged drawing in Fig. 4.
In figure: 1- support plate；2- bottom plate；3- support frame；4- driving device；5- extending apparatus；The first connection frame of 6-；7-
Two connection frames；8- rotary electric machine；9- screw rod；10- movable sleeving；11- slide bar；12- adjusts mobile device；13- rotating member；14- spiral shell
Rasp bar；15- supporting shell；16- support sleeve；17- driven gear；18- drives gear；19- driving motor；20- sliding slot；21- is flexible
Cylinder；22- supports revolving part；23- machine for rolling parts；24- drains limiting device；25- positioning plate；26- rotating electric machine；27- turning gear
Wheel；28- rotates gear；29- support shaft；30- positions shell；31- servo motor；32- pressure roller；33- limit plate；34- first is electronic
Push rod；35- position-limited rack；The second electric pushrod of 36-；37- drainage plate；38- idler wheel.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment one:
The present invention provides a kind of technical solution:
Aramid Paper hot press forming technology includes following preparation step:
Step 1: base-material is chosen: weighing a certain proportion of aramid short fiber, Fanglun slurry cake and dispersing agent S, and aramid fiber is short
It cuts fiber and carries out chemical pretreatment, while Fanglun slurry cake being beaten in beater；
Step 2: mashing dispersion: aramid short fiber and Fanglun slurry cake in step 1 are formed according to the ratio of 5:5 and are put into mixed
It closes in stock tank and is uniformly mixed；
Step 3: compression forming: header box valve is opened, and by being slurried inside investment to header box in step 2, and is used
Fan pump be delivered to inside head box to being slurried, while to inclined wire is put into inside head box, after immersing a period of time, by band
Have the inclined wire being slurried taking-up, place into squeezer to be slurried carry out squeezing remove water, then carry out drying obtain pre-profiling aramid fiber
Fibrous paper:
Step 4: hot pressing pre-treatment: the aramid fiber paper of the pre-profiling obtained in step 3 is extended using extending apparatus,
Make to be evenly distributed on the outside of the aramid fiber paper of pre-profiling；
Step 5: hot-forming: hot press to be preheated in advance, and preheating temperature is 180 DEG C, by the pre-profiling in step 3
Aramid fiber paper be put into hot press and carry out hot pressing, can be obtained aramid fiber paper.
The beater that Fanglun slurry cake uses in the step 1 is trough-style pulp beater.
For dispersing agent S by being compounded by surfactant L and import PEO, molecular weight is about 300 ~ 400 in the step 1
Ten thousand, aqueous solution pH are neutrality.
L solution (the LAS solution that the chopped first concentration at 60 DEG C of chopped strand is 1.2 × 10-3mol/L in the step 1
Neopelex) in clean 30min, to remove greasy dirt remained on surface in fiber manufacturing process, then be added PEO use
Measure from 0.1% ~ 1%(to bone dry fiber) improve Fanglun slurry cake and chopped strand co-mixing system dispersion effect and aramid paper at
Paper performance.
Hot press hot pressing pressure 14MPa in the step 5, hot pressing number 1 time, roller revolving speed 1r/min.
Embodiment two:
The present invention provides a kind of technical solution:
Aramid Paper hot press forming technology includes following preparation step:
Step 1: base-material is chosen: weighing a certain proportion of aramid short fiber, Fanglun slurry cake and dispersing agent S, and aramid fiber is short
It cuts fiber and carries out chemical pretreatment, while Fanglun slurry cake being beaten in beater；
Step 2: mashing dispersion: aramid short fiber and Fanglun slurry cake in step 1 are formed according to the ratio of 4:6 and are put into mixed
It closes in stock tank and is uniformly mixed；
Step 3: compression forming: header box valve is opened, and by being slurried inside investment to header box in step 2, and is used
Fan pump be delivered to inside head box to being slurried, while to inclined wire is put into inside head box, after immersing a period of time, by band
Have the inclined wire being slurried taking-up, place into squeezer to be slurried carry out squeezing remove water, then carry out drying obtain pre-profiling aramid fiber
Fibrous paper:
Step 4: hot pressing pre-treatment: the aramid fiber paper of the pre-profiling obtained in step 3 is extended using extending apparatus,
Make to be evenly distributed on the outside of the aramid fiber paper of pre-profiling；
Step 5: hot-forming: hot press to be preheated in advance, and preheating temperature is 180 DEG C, by the pre-profiling in step 3
Aramid fiber paper be put into hot press and carry out hot pressing, can be obtained aramid fiber paper.
The beater that Fanglun slurry cake uses in the step 1 is trough-style pulp beater.
For dispersing agent S by being compounded by surfactant L and import PEO, molecular weight is about 300 ~ 400 in the step 1
Ten thousand, aqueous solution pH are neutrality.
L solution (the LAS solution that the chopped first concentration at 60 DEG C of chopped strand is 1.2 × 10-3mol/L in the step 1
Neopelex) in clean 30min, to remove greasy dirt remained on surface in fiber manufacturing process, then be added PEO use
Measure from 0.1% ~ 1%(to bone dry fiber) improve Fanglun slurry cake and chopped strand co-mixing system dispersion effect and aramid paper at
Paper performance.
Hot press hot pressing pressure 14MPa in the step 5, hot pressing number 1 time, roller revolving speed 1r/min.
Embodiment three:
The present invention provides a kind of technical solution:
Aramid Paper hot press forming technology includes following preparation step:
Step 1: base-material is chosen: weighing a certain proportion of aramid short fiber, Fanglun slurry cake and dispersing agent S, and aramid fiber is short
It cuts fiber and carries out chemical pretreatment, while Fanglun slurry cake being beaten in beater；
Step 2: mashing dispersion: aramid short fiber and Fanglun slurry cake in step 1 are formed according to the ratio of 3:7 and are put into mixed
It closes in stock tank and is uniformly mixed；
Step 3: compression forming: header box valve is opened, and by being slurried inside investment to header box in step 2, and is used
Fan pump be delivered to inside head box to being slurried, while to inclined wire is put into inside head box, after immersing a period of time, by band
Have the inclined wire being slurried taking-up, place into squeezer to be slurried carry out squeezing remove water, then carry out drying obtain pre-profiling aramid fiber
Fibrous paper:
Step 4: hot pressing pre-treatment: the aramid fiber paper of the pre-profiling obtained in step 3 is extended using extending apparatus,
Make to be evenly distributed on the outside of the aramid fiber paper of pre-profiling；
Step 5: hot-forming: hot press to be preheated in advance, and preheating temperature is 180 DEG C, by the pre-profiling in step 3
Aramid fiber paper be put into hot press and carry out hot pressing, can be obtained aramid fiber paper.
The beater that Fanglun slurry cake uses in the step 1 is trough-style pulp beater.
For dispersing agent S by being compounded by surfactant L and import PEO, molecular weight is about 300 ~ 400 in the step 1
Ten thousand, aqueous solution pH are neutrality.
L solution (the LAS solution that the chopped first concentration at 60 DEG C of chopped strand is 1.2 × 10-3mol/L in the step 1
Neopelex) in clean 30min, to remove greasy dirt remained on surface in fiber manufacturing process, then be added PEO use
Measure from 0.1% ~ 1%(to bone dry fiber) improve Fanglun slurry cake and chopped strand co-mixing system dispersion effect and aramid paper at
Paper performance.
Hot press hot pressing pressure 14MPa in the step 5, hot pressing number 1 time, roller revolving speed 1r/min.
Example IV:
The present invention provides a kind of technical solution:
Aramid Paper hot press forming technology includes following preparation step:
Step 1: base-material is chosen: weighing a certain proportion of aramid short fiber, Fanglun slurry cake and dispersing agent S, and aramid fiber is short
It cuts fiber and carries out chemical pretreatment, while Fanglun slurry cake being beaten in beater；
Step 2: mashing dispersion: aramid short fiber and Fanglun slurry cake in step 1 are formed according to the ratio of 2:8 and are put into mixed
It closes in stock tank and is uniformly mixed；
Step 3: compression forming: header box valve is opened, and by being slurried inside investment to header box in step 2, and is used
Fan pump be delivered to inside head box to being slurried, while to inclined wire is put into inside head box, after immersing a period of time, by band
Have the inclined wire being slurried taking-up, place into squeezer to be slurried carry out squeezing remove water, then carry out drying obtain pre-profiling aramid fiber
Fibrous paper:
Step 4: hot pressing pre-treatment: the aramid fiber paper of the pre-profiling obtained in step 3 is extended using extending apparatus,
Make to be evenly distributed on the outside of the aramid fiber paper of pre-profiling；
Step 5: hot-forming: hot press to be preheated in advance, and preheating temperature is 180 DEG C, by the pre-profiling in step 3
Aramid fiber paper be put into hot press and carry out hot pressing, can be obtained aramid fiber paper.
The beater that Fanglun slurry cake uses in the step 1 is trough-style pulp beater.
For dispersing agent S by being compounded by surfactant L and import PEO, molecular weight is about 300 ~ 400 in the step 1
Ten thousand, aqueous solution pH are neutrality.
L solution (the LAS solution that the chopped first concentration at 60 DEG C of chopped strand is 1.2 × 10-3mol/L in the step 1
Neopelex) in clean 30min, to remove greasy dirt remained on surface in fiber manufacturing process, then be added PEO use
Measure from 0.1% ~ 1%(to bone dry fiber) improve Fanglun slurry cake and chopped strand co-mixing system dispersion effect and aramid paper at
Paper performance.
Hot press hot pressing pressure 14MPa in the step 5, hot pressing number 1 time, roller revolving speed 1r/min.
Embodiment five:
Fig. 1-6 is please referred to, the present invention provides a kind of technical solution:
Aramid Paper hot press forming technology includes following preparation step:
Step 1: base-material is chosen: weighing a certain proportion of aramid short fiber, Fanglun slurry cake and dispersing agent S, and aramid fiber is short
It cuts fiber and carries out chemical pretreatment, while Fanglun slurry cake being beaten in beater；
Step 2: mashing dispersion: aramid short fiber and Fanglun slurry cake in step 1 are formed according to the ratio of 1:9 and are put into mixed
It closes in stock tank and is uniformly mixed；
Step 3: compression forming: header box valve is opened, and by being slurried inside investment to header box in step 2, and is used
Fan pump be delivered to inside head box to being slurried, while to inclined wire is put into inside head box, after immersing a period of time, by band
Have the inclined wire being slurried taking-up, place into squeezer to be slurried carry out squeezing remove water, then carry out drying obtain pre-profiling aramid fiber
Fibrous paper:
Step 4: hot pressing pre-treatment: the aramid fiber paper of the pre-profiling obtained in step 3 is extended using extending apparatus,
Make to be evenly distributed on the outside of the aramid fiber paper of pre-profiling；
Step 5: hot-forming: hot press to be preheated in advance, and preheating temperature is 180 DEG C, by the pre-profiling in step 3
Aramid fiber paper be put into hot press and carry out hot pressing, can be obtained aramid fiber paper.
The beater that Fanglun slurry cake uses in the step 1 is trough-style pulp beater.
For dispersing agent S by being compounded by surfactant L and import PEO, molecular weight is about 300 ~ 400 in the step 1
Ten thousand, aqueous solution pH are neutrality.
L solution (the LAS solution that the chopped first concentration at 60 DEG C of chopped strand is 1.2 × 10-3mol/L in the step 1
Neopelex) in clean 30min, to remove greasy dirt remained on surface in fiber manufacturing process, then be added PEO use
Measure from 0.1% ~ 1%(to bone dry fiber) improve Fanglun slurry cake and chopped strand co-mixing system dispersion effect and aramid paper at
Paper performance.
Hot press hot pressing pressure 14MPa in the step 5, hot pressing number 1 time, roller revolving speed 1r/min.
Aramid Paper hot-press forming device, including support plate 1 and bottom plate 2, the bottom plate 2 are fixedly connected on branch
On fagging 1, support frame 3 is fixedly connected in the support plate 1, and support frame 3 is equipped with driving device 4, the driving device 4
Output end is fixedly connected with extending apparatus 5.
The driving device 4 includes the first connection frame 6, the second connection frame 7, rotary electric machine 8, screw rod 9, movable sleeving 10, slides
Bar 11 and adjusting mobile device 12, first connection frame 6 and the second connection frame 7 are respectively fixedly connected with and push up in two support frames 3
End, and rotary electric machine 8 is fixedly connected on the first connection frame 6 by fixed plate, 8 output end of rotary electric machine passes through first and connects
It connects frame 6 to be fixedly connected with one end of screw rod 9, and 8 output end of rotary electric machine and the first connection frame 6 are rotatablely connected, the screw rod 9 is remote
One end from rotary electric machine 8 is rotatablely connected by bearing and the second connection frame 7, and the movable sleeving 10 is internally threaded hole, and
The rotation of movable sleeving 10 is socketed in the outside of screw rod 9, and there are two the slide bar 11 is set, and two slide bars 11 are symmetrically distributed in outside screw rod 9
Side, the both ends of two slide bars 11 are fixedly connected with the first connection frame 6 and the second connection frame 7 respectively, 10 sliding sleeve of movable sleeving
It connects in two 11 outsides of slide bar, 10 bottom end of movable sleeving, which is fixedly connected with, adjusts mobile device 12, and the fixed company of extending apparatus 5
It connects on adjusting mobile device 12, by the driving device 4 being equipped with, to realize the effect driven to extending apparatus 5.
The adjusting mobile device 12 includes rotating member 13, threaded rod 14, supporting shell 15 and support sleeve 16, the rotating member
13 are fixedly connected on movable sleeving 10, and 13 output end of rotating member is fixedly connected with one end of threaded rod 14, and threaded rod 14
The side that the other end passes through supporting shell 15 is rotatably connected on inside supporting shell 15, and the threaded rod 14 passes through bearing and supporting shell 15
It is rotatablely connected, internal screw thread is equipped with inside the support sleeve 16, and the rotation of support sleeve 16 is socketed in 14 outside of threaded rod, the support
Two sliding slots 20 are symmetrically arranged on shell 15, and 16 two sides of support sleeve are slidably connected at respectively at two sliding slots 20, the extension dress
It sets 5 and is fixedly connected on 16 bottom end of support sleeve, by the adjusting mobile device 12 being equipped with, extending apparatus 5 is driven to realize
Dynamic effect.
The rotating member 13 includes driven gear 17, driving gear 18 and driving motor 19, and the driven gear 17 is fixed
It is socketed in the outside of 14 one end of threaded rod, and driven gear 17 engages connection, the driving gear 18 and drive with driving gear 18
Dynamic 19 output end of motor is fixedly connected, and driving motor 19 is fixedly connected on movable sleeving 10, by the rotating member 13 being equipped with, from
And realize the effect driven to threaded rod 14.
The extending apparatus 5 includes telescopic cylinder 21, support revolving part 22, machine for rolling parts 23 and drainage limiting device 24, institute
It states telescopic cylinder 21 and is fixedly connected on 16 bottom end of support sleeve, and 21 output end of telescopic cylinder is fixedly connected with support revolving part 22,
22 output end of support revolving part is fixedly connected with machine for rolling parts 23, and the machine for rolling parts 23 is located at 2 top of bottom plate, the drainage limit
Position device 24 is fixedly connected on support revolving part 22, and is drained 24 output end of limiting device and be located at 23 outside of machine for rolling parts, is passed through
The extending apparatus 5 being equipped with carries out thickness extension, the effect that thinness is filled up to aramid fiber paper surface to realize.
The support revolving part 22 includes positioning plate 25, rotating electric machine 26, rotate gear 27, rotation gear 28 and support shaft
29, the positioning plate 25 is fixedly connected with 21 output end of telescopic cylinder, and rotating electric machine 26 is fixedly connected on positioning plate 25, institute
It states 26 output end of rotating electric machine to be fixedly connected across positioning plate 25 with rotate gear 27, and rotate gear 27 is nibbled with rotation gear 28
Connection is closed, 26 output end of rotating electric machine and positioning plate 25 are rotatablely connected, and are rotated gear 28 and passed through support shaft 29 and positioning
The rotation connection of 25 bottom end of plate, the machine for rolling parts 23 are fixedly connected on 29 bottom end of support shaft, and drain limiting device 24 and be fixedly connected
On positioning plate 25, by the support revolving part 22 being equipped with, and then the effect of the rotation of 23 level angle of machine for rolling parts is realized.
The machine for rolling parts 23 includes that positioning shell 30, servo motor 31 and pressure roller 32, the positioning shell 30 are fixedly connected on branch
29 bottom end of axis is supportted, the servo motor 31 is fixedly connected on 30 outside of positioning shell, and 31 output end of servo motor passes through positioning
Shell 30 is fixedly connected with one end of pressure roller 32, and 32 other end of pressure roller is rotatablely connected by bearing and positioning shell 30, the servo
31 output end of motor and positioning shell 30 are rotatablely connected, and the drainage limiting device 24 is located at 32 outside of pressure roller, pass through the roller being equipped with
Casting die 23, to realize the effect for carrying out roll-in to aramid fiber paper surface thickness.
The drainage limiting device 24 includes limit plate 33, the first electric pushrod 34, position-limited rack 35, the second electric pushrod
36, drainage plate 37 and idler wheel 38, the limit plate 33 are fixedly connected on positioning plate 25, and the first electric pushrod 34 is fixedly connected
On limit plate 33,34 output end of the first electric pushrod passes through limit plate 33 and is fixedly connected with position-limited rack 35, and described second
There are two electric pushrod 36 is set, and two the second electric pushrods 36 are symmetrically fixed on position-limited rack 35, second electric pushrod
36 output ends are fixedly connected with drainage plate 37, and two drainage plates 37 are located at the outside of pressure roller 32, and the drainage plate 37 is far from pressure roller
32 side is fixedly connected with idler wheel 38, and the drainage plate 37 is respectively positioned on bottom plate 2 with idler wheel 38, is limited by the drainage being equipped with
Device 24, and then realize the effect drained to aramid fiber thickness of paper thinness.
Specific embodiment: when needing to carry out precompressed extension to aramid fiber paper, aramid fiber paper is placed on first
On bottom plate 2, at this point, rotary electric machine 8 is run, screw rod 9 is made to be respectively relative to carry out between the first connection frame 6 and the second connection frame 7
Rotation, the movable sleeving 10 positioned at the outside of screw rod 9 are driven power, while movable sleeving 10 is under the position-limiting action of two slide bars 11,
And then move movable sleeving 10 between the first connection frame 6 and the second connection frame 7, meanwhile, the drive on movable sleeving 10
Dynamic motor 19 is run, make to drive gear 18 that driven gear 17 is driven to be rotated, and then is made fixed with 17 one end of driven gear
Threaded rod 14 is rotated inside supporting shell 15, at this time the then driving force by threaded rod 14 of support sleeve 16, and due to support
Set 16 is in supporting shell 15 under the position-limiting action of two sliding slots 20, and then movable sleeving 10 is horizontally moved in supporting shell 15
Effect, when support sleeve 16 is moved to on aramid fiber paper on the biggish position of thickness, at this point, telescopic cylinder 21 does stretching fortune
It is dynamic, meanwhile, rotating electric machine 26 rotates, and rotating electric machine 26 is rotated by the driving rotation gear 28 of rotate gear 27, and by
It is fixed on 29 outside of support shaft in rotation gear 28, and then the positioning shell 30 being fixed in support shaft 29 is made to do horizontal rotation fortune
It is dynamic, so that the pressure roller 32 on positioning shell 30 and the position of aramid fiber paper thicker position are adjusted, at this point, servo motor 31 is run,
To make pressure roller 32 do roll-in campaign on aramid fiber, meanwhile, the first electric pushrod 34 does stretch out motion, to make two to draw
Flowing plate 37 is moved on aramid fiber paper, and according to the regional scope of the biggish position of aramid fiber paper thickness, two second electricity
Dynamic push rod 36 is run, and then adjusts the region of the thicker position of the thickness on two drainage plates 37 and aramid fiber paper, makes two
The effect that drainage plate 37 drains the thicker position of 32 roll-in of pressure roller, while idler wheel 38 on drainage plate 37 is realized to drawing
The effect for the guiding that flowing plate 37 moves on aramid fiber paper, the effect for making the thickness degree on aramid fiber paper be evenly distributed, and
In the present solution, after the thickness degree to aramid fiber paper is evenly distributed, it can be by the way that manually aramid fiber paper be sent to hot press
On, so that hot press is carried out the effect of molding hot pressing to aramid fiber paper.
In the present solution, the preferred RJ090-E03520 model of rotary electric machine 8, the preferred Y80M1-2 model of driving motor 19 are stretched
The preferred SCA2 model of cylinder 21, the preferred Y80M2-2 model of rotating electric machine 26, the first electric pushrod 34 and the second electric pushrod 36 are
It is preferred that ANT-52 model, circuit operates to existing custom circuit, and circuit involved in the present invention and control are the prior art,
Herein without excessively repeating.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (10)
1. Aramid Paper hot press forming technology, which is characterized in that including following preparation step:
Step 1: base-material is chosen: weighing a certain proportion of aramid short fiber, Fanglun slurry cake and dispersing agent S, and aramid fiber is short
It cuts fiber and carries out chemical pretreatment, while Fanglun slurry cake being beaten in beater；
Step 2: mashing dispersion: aramid short fiber and Fanglun slurry cake in step 1 are formed and are thrown according to the ratio of 5:5 ~ 0:10
Enter in blending chest and is uniformly mixed；
Step 3: compression forming: header box valve is opened, and by being slurried inside investment to header box in step 2, and is used
Fan pump be delivered to inside head box to being slurried, while to inclined wire is put into inside head box, after immersing a period of time, by band
Have the inclined wire being slurried taking-up, place into squeezer to be slurried carry out squeezing remove water, then carry out drying obtain pre-profiling aramid fiber
Fibrous paper:
Step 4: hot pressing pre-treatment: the aramid fiber paper of the pre-profiling obtained in step 3 is extended using extending apparatus,
Make to be evenly distributed on the outside of the aramid fiber paper of pre-profiling；
Step 5: hot-forming: hot press to be preheated in advance, and preheating temperature is 180 DEG C, by the pre-profiling in step 3
Aramid fiber paper be put into hot press and carry out hot pressing, can be obtained aramid fiber paper.
2. Aramid Paper hot press forming technology according to claim 1, it is characterised in that: in the step 1
The beater that Fanglun slurry cake uses is trough-style pulp beater.
3. Aramid Paper hot press forming technology according to claim 1, it is characterised in that: in the step 1
For dispersing agent S by being compounded by surfactant L and import PEO, molecular weight is about 300 ~ 4,000,000, and aqueous solution pH is neutrality.
4. Aramid Paper hot press forming technology according to claim 1, it is characterised in that: in the step 1
Chopped strand be chopped first 60 DEG C concentration be 1.2 × 10-3mol/L L solution (LAS solution neopelex) in
30min is cleaned, to remove greasy dirt remained on surface in fiber manufacturing process, PEO dosage is then added from 0.1% ~ 1%(to over dry
Fiber) carry out the dispersion effect and aramid paper paper properties that improve Fanglun slurry cake with chopped strand co-mixing system.
5. Aramid Paper hot press forming technology according to claim 1, it is characterised in that: in the step 5
Hot press hot pressing pressure 14MPa, hot pressing number 1 time, roller revolving speed 1r/min.
6. Aramid Paper hot-press forming device, including support plate and bottom plate, the bottom plate are fixedly connected on support plate
On, it is characterised in that: support frame is fixedly connected in the support plate, and support frame is equipped with driving device, the driving dress
Output end is set to be fixedly connected with extending apparatus.
7. Aramid Paper hot-press forming device according to claim 6, it is characterised in that: the driving device
Including the first connection frame, the second connection frame, rotary electric machine, screw rod, movable sleeving, slide bar and mobile device is adjusted, described first connects
It connects frame and the second connection frame is respectively fixedly connected in two top of support framees, and rotary electric machine is fixedly connected on by fixed plate
On one connection frame, the rotary electric machine output end passes through the first connection frame and is fixedly connected with one end of screw rod, and rotary electric machine is defeated
Outlet and the first connection frame are rotatablely connected, and the one end of the screw rod far from rotary electric machine is connected by bearing and the rotation of the second connection frame
It connecing, the movable sleeving is internally threaded hole, and movable sleeving rotation is socketed on the outside of screw rod, there are two the slide bar is set, and two
A slide bar is symmetrically distributed on the outside of screw rod, and the both ends of two slide bars are fixedly connected with the first connection frame and the second connection frame respectively,
The movable sleeving is slidably socketed on the outside of two slide bars, and the movable sleeving bottom end is fixedly connected with adjusting mobile device, and extends
Device, which is fixedly connected on, to be adjusted in mobile device.
8. Aramid Paper hot-press forming device according to claim 7, it is characterised in that: the adjusting movement
Device includes rotating member, threaded rod, supporting shell and support sleeve, and the rotating member is fixedly connected on movable sleeving, the rotating member
Output end is fixedly connected with one end of threaded rod, and the threaded rod other end is rotatably connected in supporting shell across the side of supporting shell
Portion, the threaded rod are rotatablely connected by bearing and supporting shell, and internal screw thread, and support sleeve turning set are equipped with inside the support sleeve
It connects on the outside of threaded rod, two sliding slots is symmetrically arranged in the supporting shell, and support sleeve two sides are slidably connected at two cunnings respectively
At slot, the extending apparatus is fixedly connected on support sleeve bottom end.
9. Aramid Paper hot-press forming device according to claim 8, it is characterised in that: the rotating member packet
It includes driven gear, driving gear and driving motor, the driven gear and is fixedly attached to the outside of threaded rod one end, and driven tooth
Wheel engages connection with driving gear, and the driving gear is fixedly connected with driving motor output end, and driving motor is fixedly connected
On movable sleeving.
10. Aramid Paper hot-press forming device according to claim 6, it is characterised in that: the extension dress
It sets and is fixedly connected on support sleeve bottom including telescopic cylinder, support revolving part, machine for rolling parts and drainage limiting device, the telescopic cylinder
End, and telescopic cylinder output end is fixedly connected with support revolving part, the support revolving part output end is fixedly connected with machine for rolling parts,
The machine for rolling parts is located at bottom plate top, and the drainage limiting device is fixedly connected on support revolving part, and drains limiting device
Output end is located on the outside of machine for rolling parts.
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| CN201910731898.2A CN110396855B (en) | 2019-08-09 | 2019-08-09 | Hot-press forming process and equipment for aramid paper-based composite material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910731898.2A CN110396855B (en) | 2019-08-09 | 2019-08-09 | Hot-press forming process and equipment for aramid paper-based composite material |
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| CN110396855A true CN110396855A (en) | 2019-11-01 |
| CN110396855B CN110396855B (en) | 2021-10-01 |
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| CN114808528A (en) * | 2022-04-27 | 2022-07-29 | 赣州龙邦材料科技有限公司 | Aramid paper forming device capable of preventing bubbles and wrinkles and using method thereof |
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|---|---|
| CN110396855B (en) | 2021-10-01 |
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