CN110498292A - Based on big cornerite and great friction coefficient fibre bundle low-tension conveying device and method - Google Patents
Based on big cornerite and great friction coefficient fibre bundle low-tension conveying device and method Download PDFInfo
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- CN110498292A CN110498292A CN201910784549.7A CN201910784549A CN110498292A CN 110498292 A CN110498292 A CN 110498292A CN 201910784549 A CN201910784549 A CN 201910784549A CN 110498292 A CN110498292 A CN 110498292A
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- conveying roller
- conveying device
- tension
- tow
- vertically arranged
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H59/00—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators
- B65H59/02—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators by regulating delivery of material from supply package
- B65H59/04—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators by regulating delivery of material from supply package by devices acting on package or support
- B65H59/043—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators by regulating delivery of material from supply package by devices acting on package or support with a braking force varying proportionally to the diameter or the weight of the package being unwound
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H59/00—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators
- B65H59/10—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators by devices acting on running material and not associated with supply or take-up devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2515/00—Physical entities not provided for in groups B65H2511/00 or B65H2513/00
- B65H2515/30—Forces; Stresses
- B65H2515/31—Tensile forces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/30—Handled filamentary material
- B65H2701/31—Textiles threads or artificial strands of filaments
- B65H2701/314—Carbon fibres
Abstract
Based on big cornerite and great friction coefficient fibre bundle low-tension conveying device and method, including brake, volume mechanism, isolation film rolling-up mechanism and conveying device；Brake is connected with material volume mechanism；One side of conveying device is provided with tension mechanism, and conveying device is set between isolation film rolling-up mechanism and tension mechanism；Conveying device is connected with feeder motor, and conveying device includes main conveying roller and auxiliary conveying roller, and feeder motor is connected by transmitting device with main conveying roller and auxiliary conveying roller；Tow path is not less than 400 ° around total cornerite of main conveying roller and auxiliary conveying roller surface.Total cornerite due to tow path around main conveying roller and auxiliary conveying roller surface is not less than 400 °, so conveying device is realized by big cornerite takes out material conveying, when tow tension is too small, tow and main conveying roller and auxiliary conveying roller surface pressing force are not enough to generate sufficiently large frictional force for material extraction to effectively prevent feeding redundancy.
Description
Technical field
The present invention relates to a kind of automatic fiber placement equipment, and in particular to is based on big cornerite and great friction coefficient fibre bundle low
Power conveying device and method realize the sectional tension control of fibre bundle, have for producing the component made of composite material
Effect reduces the tow tension of laid course.
Background technique
Automatic fiber placement technology can be manufactured the advantage of the composite element of complex profile, be become with its high efficiency, high-precision
The hot spot of current composite material automated manufacturing equipment research, has in fields such as aerospace, resource equipment, rail traffics
Boundless application prospect.Automatic fiber placement technology (AFP) is sent out on the basis of fiber winding technology and automated tape-laying technology
Zhan Erlai's, combine the technological merit of fiber winding technology and automated tape-laying technology.Transportation system is automatic fiber placement equipment
Important component is to guarantee preimpregnation silk is smooth, piddler head reliability service, the basis of laying precision and premise.
In carbon fibre initial rinse tow laying scheme used at present, material volume, which is rotated synchronously and passed through based on depositing speeds, opens
Force mechanisms feedback increase and decrease revolving speed realizes tension force and feeding.Feeding motor controls material volume rotation and carries out active-feeding realization feeding
The adjusting of speed and the stabilization of tension, as the increase material coil diameter of feeding amount can constantly reduce, control program also needs root
Revolving speed is adjusted according to the variation of material coil diameter.Algorithm is to calculate carbon fibre initial rinse tow by record motor working pulse number at present
Usage amount estimates material coil diameter that there are deviations for estimation result and actual conditions on this basis, it is difficult to guarantee control
Precision.Meanwhile reading tension mechanism parameter and to carry out feedback response excessively slow, it can not be quickly reduced when overtension to shadow
Laying quality is rung, feeding redundancy is easily caused to influence reliability when tension is too small.
Simultaneously in existing equipment, carbon fibre initial rinse tow is passed out to from material volume be laid on mold during tension
It is continuous.Arch formation can occur at mold concave curved surface for tow under the conditions of hightension, influence the quality of contoured members；It is small
Under tension isolation film winding can occur redundancy even cause it is counter twine, greatly reduce the reliability of equipment.Current tensile connects
Continuous transportation system not can be implemented simultaneously the hightension requirement of isolation film rolling-up mechanism and Xiao Zhang's force request of laid course, greatly
The complexity of depositing speeds and plastic structural member is limited greatly.
Summary of the invention
To overcome the problems of the prior art, the object of the present invention is to provide be based on big cornerite and great friction coefficient fiber filament
Beam low-tension conveying device and method.
To achieve the above object, The technical solution adopted by the invention is as follows:
Based on big cornerite and great friction coefficient fibre bundle low-tension conveying device, the system including being mounted on creel plate top surface
Dynamic device and material volume mechanism, isolation film rolling-up mechanism and the conveying device for being mounted on creel board bottom face；Brake and material volume mechanism
It is connected；One side of conveying device is provided with tension mechanism, and conveying device is set between isolation film rolling-up mechanism and tension mechanism；It is defeated
Device is sent to be connected with feeder motor, conveying device includes main conveying roller and auxiliary conveying roller, feeder motor and main conveying roller and auxiliary
Conveying roller is helped to be connected；Brake sends out tow from the material volume of feed device, isolation film rolling-up mechanism is then passed around, in brake
Acting on lower tow tension drives isolation film rolling-up mechanism to rotate synchronously, and isolation film rolling-up mechanism will be isolated film stripping and collect, then
Tow is by conveying device and tension mechanism, into piddler head；Tow path is around main conveying roller and auxiliary conveying roller surface
Total cornerite be not less than 400 °.
A further improvement of the present invention lies in that being provided with brake mounting board on creel plate top surface, brake setting is being made
On dynamic device mounting plate.
A further improvement of the present invention lies in that brake is magnetic powder brake, hysteresis brake or torque motor.
A further improvement of the present invention lies in that when conveying device is vertically arranged, conveying device include be vertically arranged main conveying roller and
It is vertically arranged auxiliary conveying roller, be vertically arranged main conveying roller and is vertically arranged between auxiliary conveying roller there are gap, main conveying roller is vertically arranged and conveying is electric
Machine is connected, and is vertically arranged auxiliary conveying roller and is connected by cylindrical gear pair with main conveying roller is vertically arranged, tow path bypasses and is vertically arranged main conveying
Roller and the total cornerite for being vertically arranged auxiliary conveying roller surface are not less than 400 °.
A further improvement of the present invention lies in that the material for being vertically arranged main conveying roller and being vertically arranged auxiliary conveying roller is steel, aluminium alloy
Or engineering plastics；
It is vertically arranged main conveying roller and is vertically arranged auxiliary conveying roller and be coated with friction material, between the friction material and tow
Coefficient of friction is not less than 0.5.
A further improvement of the present invention lies in that friction material is rubber.
A further improvement of the present invention lies in that when conveying device is horizontally disposed, conveying device include horizontal main conveying roller and
Horizontal auxiliary conveying roller, there are gaps between horizontal main conveying roller and horizontal auxiliary conveying roller；Feeder motor output shaft passes through connection
Axis device is connected with bevel gear pair, and bevel gear pair is connected and is connected with horizontal main conveying roller, and feeder motor is also connected with cylindrical gear pair,
Cylindrical gear pair is connected with horizontal auxiliary conveying roller.
A further improvement of the present invention lies in that horizontal auxiliary conveying roller side is provided with guide comb bar；Horizontal main conveying roller
Material with horizontal auxiliary conveying roller is steel, aluminium alloy or engineering plastics；Horizontal main conveying roller and horizontal auxiliary conveying roller table
Bread is wrapped with friction material, and the coefficient of friction between the friction material and tow is not less than 0.5.
A further improvement of the present invention lies in that tow path conveys roller surface around horizontal main conveying roller and horizontal auxiliary
Total cornerite is not less than 400 °.
A kind of such as above-mentioned delivery method based on big cornerite and great friction coefficient fibre bundle low-tension conveying device, it is defeated
Send device that the braking moment of brake is overcome to extract tow from feed device out, the braking moment of brake acts on material volume, and
Tow is sent out from the material volume of feed device, then passes around isolation film rolling-up mechanism, tow tension drives under the effect of brake 1
Isolation film rolling-up mechanism rotate synchronously, isolation film rolling-up mechanism will be isolated film stripping collect, then tow by conveying device with
Tension mechanism, into piddler head.
Compared with prior art, the beneficial effects of the present invention are:
1) continuous tow tension originally is divided into feeding section tension and conveying section tension by the present invention, is braked by setting
Device and feeder motor, feeder motor are connected by transmitting device with main conveying roller and auxiliary conveying roller；Brake is by tow from sending
Expect that the material volume of device is sent out, then pass around isolation film rolling-up mechanism, tow tension drives isolation film winding under brake effect
Mechanism rotates synchronously, and isolation film rolling-up mechanism will be isolated film stripping and collect, and then tow passes through conveying device and tension mechanism, into
Enter in piddler head；Device can be achieved at the same time hightension control and the small tension control of laid course of isolation film winding.
2) total cornerite due to tow path around main conveying roller and auxiliary conveying roller surface is not less than 400 °, so conveying
Device realizes pumping material conveying by big cornerite, and when tow tension is too small, tow and main conveying roller and auxiliary convey roller surface pressure
Clamp force is not enough to generate sufficiently large frictional force for material extraction to effectively prevent feeding redundancy.
3) present invention controls main conveying roller and auxiliary conveying roller revolving speed, main conveying roller and auxiliary conveying roller using feeder motor
Diameter will not change, and conveying speed avoids estimation, and control precision improves；The control of brake torque is needed to material volume
Diameter is estimated, but feeding section tension required precision is not high, and estimation error influences less, to overcome existing control method and pass through
It controls material volume motor speed and adjusts feeding amount, need to estimate material volume radius according to prepreg usage amount, estimation error is big, control essence
Spend low problem.Originally continuous tow tension is divided into from material volume by the present invention passes out to the feeding into conveying device process
Conveying section tension when Duan Zhangli and tow are sent out from conveying device, can meet simultaneously the hightension control of isolation film winding with
And the small tension control of laid course.
Further, the coefficient of friction between friction material and tow is not less than 0.5, due to great friction coefficient, works as tow
When overtension, the pressing force of tow and conveying roller surface can generate sufficiently large frictional force tow is quickly extracted out to realization moment
Subtract and opens.
Detailed description of the invention
Fig. 1 is that the fibre bundle low-tension conveying device based on big cornerite and great friction coefficient when conveying device is vertically arranged is three-dimensional
Schematic diagram.
Fig. 2 is the schematic three dimensional views of conveying device when conveying device is vertically arranged.
Fig. 3 is three of the fibre bundle low-tension conveying device based on big cornerite and great friction coefficient when conveying device is horizontal
Tie up schematic diagram.
Fig. 4 is the schematic three dimensional views of conveying device when conveying device is horizontal.
Fig. 5 is the schematic diagram of transmission process.
In figure: 1 is brake；2 be brake mounting board；3 be material volume mechanism；4 be isolation film rolling-up mechanism；5 be conveying
Device；6 be creel plate；7 be feeder motor；8 be horizontal feeder motor mounting plate；9 be to be vertically arranged cylindrical gear pair；10 be to be vertically arranged master
Conveying roller；11 be to be vertically arranged auxiliary conveying roller；12 be to be vertically arranged conveying device mounting plate；13 be tension mechanism；14 is electric to be vertically arranged conveying
Machine mounting plate；15 be shaft coupling；16 be bevel gear pair；17 be horizontal cylindrical gear pair；18 be guide comb bar；19 is defeated for horizontal master
Roller is sent, 20 be horizontal auxiliary conveying roller, and 21 be horizontal conveying device mounting plate, and 22 be material volume, and 23 be tow.
Specific embodiment
The present invention will be described in detail with reference to the accompanying drawing.
As shown in Figure 1, a kind of fibre bundle low-tension conveying device based on big cornerite and great friction coefficient of the invention,
Including being mounted on the brake 1 of 6 top surface of creel plate of automatic fiber placement equipment and being mounted on 6 bottom surface of creel plate of automatic fiber placement equipment
Material volume mechanism 3, isolation film rolling-up mechanism 4 and conveying device 5, brake 1 is connected with material volume mechanism 3 by axis；Creel plate 6 pushes up
Brake mounting board 2 is provided on face, brake 1 is arranged on brake mounting board 2.Brake 1 and 3 axis of material volume mechanism join
It is dynamic, continue output torque, braking moment is effectively acted on into material volume mechanism 3, material volume mechanism 3 is acted on by 1 torque of brake, is
Tow provides lasting tension.5 side of conveying device is provided with tension mechanism 13, and conveying device 5 is set to isolation film winder
Between structure 4 and tension mechanism 13.Isolation film rolling-up mechanism 4 carries out isolation film stripping and winding under tow drive, and by tow
It leads into conveying device 5.
Film winder structure 4 is isolated in the present invention for removing winding isolation film and playing the role of guiding.Conveying device 5
It is connected with feeder motor 7, and conveying device 5 is driven by feeder motor 7, overcomes 1 resistance of brake by tow from material volume mechanism 3
It extracts out and is sent in piddler head.Feeder motor 7 adjusts revolving speed according to depositing speeds and tension structure plays buffering and detection silk
The effect of Shu Zhangli.
Brake 1 is the equipment of output torque and energy real-time perfoming is adjusted, and can be magnetic powder brake, is also possible to magnetic
Stagnant brake or torque motor etc..
Conveying device 5 includes main conveying roller and auxiliary conveying roller, and feeder motor 7 passes through transmitting device and main conveying roller and auxiliary
Conveying roller is helped to be connected.Specifically, conveying device 5, there are two types of set-up mode, one kind is vertically arranged, and another kind is horizontally disposed.
As shown in Fig. 2, be equipped on creel plate 6 when conveying device 5 is vertically arranged and be vertically arranged conveying device mounting plate 12, it is defeated
Device 5 is sent to be arranged on being vertically arranged conveying device mounting plate 12.Conveying device 5 is arranged on being vertically arranged conveying device mounting plate 12, defeated
Sending device 5 includes being vertically arranged main conveying roller 10 and being vertically arranged auxiliary conveying roller 11, is vertically arranged main conveying roller 10 and is vertically arranged auxiliary conveying roller 11
Between there are certain gaps, be vertically arranged main conveying roller 10 and be connected with feeder motor 7 and directly driven by feeder motor 7, be vertically arranged auxiliary
It helps conveying roller 11 to be connected by being vertically arranged cylindrical gear pair 9 with main conveying roller 10 is vertically arranged, realizes linkage, it is ensured that have identical linear speed
Degree.Be vertically arranged main conveying roller 10 and be vertically arranged auxiliary conveying roller 11 and be not in contact with each other, rely solely on tension and be bonded with tow, tow path around
It crosses and is vertically arranged main conveying roller 10 and is vertically arranged total cornerite on auxiliary 11 surface of conveying roller not less than 400 °.
Feeder motor 7, which is mounted on, to be vertically arranged on feeder motor mounting plate 14.
The ontology for being vertically arranged main conveying roller 10 and being vertically arranged auxiliary conveying roller 11 can use steel, aluminium alloy or engineering plastics, erect
It sets main conveying roller 10 and is vertically arranged auxiliary conveying roller 11 and be coated with flexible anti-sticking, high coefficient of friction material, the material and tow
Between coefficient of friction be not less than 0.5, such as rubber.
Specifically, fibre bundle enters conveying device 5, (it is vertically arranged main conveying roller 10 around two conveying rollers and is vertically arranged auxiliary
Conveying roller 11) total cornerite size be 450 °, tow is sent out by frictional force, the conveying speed etc. of transmission process preimpregnation tow
In the linear velocity for being vertically arranged active conveying roller 10.Brake 1 persistently provides braking moment, (perpendicular every crossing two conveying rollers to realize
Set main conveying roller 10 and be vertically arranged auxiliary conveying roller 11) total cornerite size be 450 °, tow is sent out by frictional force, was conveyed
The emergency stop of removing winding and material volume mechanism from film, stabilization filament beam trajectory make tow 23 remain straight condition, make simultaneously
Dynamic device can change torque according to 22 usage amount of material volume, it is ensured that fibre bundle has a basicly stable hightension value.
In laid course, control program read (CP read) takes the depositing speeds of automatic fiber placement equipment, further according to 13 floating roller of tension mechanism
Displacement to speed carry out PID compensation.The speed obtained after compensation is vertically arranged main conveying roller 10 and is vertically arranged auxiliary conveying roller 11
Perimeter and transmission ratio be scaled the revolving speed of feeder motor 7, by controlling to adjust conveying section tension to feeding speed；Pass through volume
Code device measures material volume turnning circle for calculating the usage amount of prepreg to which estimation obtains the current diameter of material volume, while pressing feeding
Section brake force setting value guarantees feeding section tension substantially according to 1 braking moment of estimation diameter control brake of material volume mechanism 3
Unanimously.
As shown in Figure 3 and Figure 4, when conveying device 5 is horizontally disposed with, horizontal conveying device mounting plate is installed on creel plate 6
21, conveying device 5 is arranged on horizontal conveying device mounting plate 21.Conveying device 5 includes horizontal main conveying roller 19 and horizontal auxiliary
Conveying roller 20 is helped, horizontal main conveying roller 19 and horizontal auxiliary conveying roller 20 are convenient for wearing silk between the two there are the gap 20mm, be prevented
Clamp hand.7 output shaft of feeder motor is connected linkage by shaft coupling 15 with bevel gear pair 16, and revolving speed is converted to by vertical direction
Horizontal direction is transmitted to horizontal main conveying roller 19, and feeder motor 7 is connected with horizontal cylindrical gear pair 17, horizontal cylindrical gear pair 17
It is connected with horizontal auxiliary conveying roller 20, and drives horizontal auxiliary conveying roller 20 to rotate synchronously by horizontal cylindrical gear pair 17, really
Possess identical linear velocity.Horizontal 20 side of auxiliary conveying roller is provided with guide comb bar 18, and guide comb bar 18 constrains fibre bundle
With swinging up and down for material volume unloading position, stablize tow path, makes the entrance angle of tow and horizontal auxiliary conveying roller 20 substantially not
Become.
Tow path is not less than 400 ° around total cornerite of horizontal main conveying roller 19 and horizontal auxiliary 20 surface of conveying roller.
Feeder motor 7 is mounted on horizontal feeder motor mounting plate 8.
The material of horizontal main conveying roller 19 and horizontal auxiliary conveying roller 20 is steel, aluminium alloy or engineering plastics；Horizontal master
Conveying roller 19 and horizontal auxiliary conveying roller 20 are coated with friction material, and the coefficient of friction between the friction material and tow is not
Less than 0.5, it is preferred that friction material is rubber.
In laid course, control program read (CP read) takes the depositing speeds of automatic fiber placement equipment, further according to the floating of tension mechanism 13
The displacement of wheel carries out PID compensation to speed.The speed obtained after compensation is conveyed by horizontal main conveying roller 19 with horizontal auxiliary
The perimeter and transmission ratio of roller 20 are scaled the revolving speed of feeder motor 7, by controlling to adjust conveying section tension to feeding speed；It is logical
It crosses encoder and measures material volume turnning circle for calculating the usage amount of prepreg to which estimation obtains the current diameter of material volume, press simultaneously
Feeding section brake force setting value guarantees feeding section tension base according to 1 braking moment of estimation diameter control brake of material volume mechanism 3
It is consistent in sheet.
As shown in figure 5, the course of work of the invention are as follows: conveying device 5 overcomes the braking moment of brake 1 by tow from sending
Expect that device 3 is extracted out, braking moment acts on material volume and provides tow from tension when material volume submitting.Tow send out material volume after around every
From film winder structure 4, under the effect of brake 1 the stage tow tension isolation film rolling-up mechanism 4 can be driven to rotate synchronously will be every
It is collected from film stripping.Tow is by, by tension mechanism 13, being finally sent into piddler head after conveying device 5 and being used for laying operation.
Conveying device 5 according to 13 displacement of tension mechanism to conveying speed carry out PID compensation, by control feeding speed adjust tow from
Tension after the submitting of conveying device 5, when feeding speed is greater than depositing speeds, tension reduces, when feeding speed is less than depositing speeds
It is that tension increases.
Brake provides torque for material volume mechanism in the present invention, and isolation film rolling-up mechanism carries out collection and the tow of isolation film
Tow is pumped into and is sent out under feeder motor control by guiding, conveying device.In laid course, conveying device is by tow tension
It is divided into feeding section and conveying section, control system controls feeder motor rotational speed regulation conveying speed based on the feedback signal and realizes control
Conveying section tension；Brake provides torque according to material volume usage amount and provides basicly stable tension for feeding section.
The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and it cannot be said that
A specific embodiment of the invention is only limitted to this, without departing from the inventive concept of the premise, makes and simply deduces or replace
It changes, all shall be regarded as belonging to the present invention by the claims submitted and determine scope of patent protection.
Claims (10)
1. being based on big cornerite and great friction coefficient fibre bundle low-tension conveying device, which is characterized in that including being mounted on creel
The brake (1) of plate (6) top surface and be mounted on the material volume mechanism (3) of creel plate (6) bottom surface, isolation film rolling-up mechanism (4) and
Conveying device (5)；Brake (1) is connected with material volume mechanism (3)；Conveying device (5) side is provided with tension mechanism (13), conveying
Device (5) is set between isolation film rolling-up mechanism (4) and tension mechanism (13)；Conveying device (5) is connected with feeder motor
(7), conveying device (5) includes main conveying roller and assists conveying roller, feeder motor (7) and main conveying roller and assist conveying roller phase
Even；Brake (1) sends out tow from the material volume of feed device (3), isolation film rolling-up mechanism (4) is then passed around, in brake
(1) acting on lower tow tension drives isolation film rolling-up mechanism (4) to rotate synchronously, and film stripping will be isolated in isolation film rolling-up mechanism (4)
It collects, then tow is by conveying device (5) and tension mechanism (13), into piddler head；Tow path bypasses main conveying roller
It is not less than 400 ° with total cornerite of auxiliary conveying roller surface.
2. according to claim 1 be based on big cornerite and great friction coefficient fibre bundle low-tension conveying device, feature
It is, is provided with brake mounting board (2) on creel plate (6) top surface, brake (1) is arranged on brake mounting board (2).
3. according to claim 1 be based on big cornerite and great friction coefficient fibre bundle low-tension conveying device, feature
It is, brake (1) is magnetic powder brake, hysteresis brake or torque motor.
4. according to claim 1 be based on big cornerite and great friction coefficient fibre bundle low-tension conveying device, feature
It is, when conveying device (5) is vertically arranged, conveying device (5) is including being vertically arranged main conveying roller (10) and being vertically arranged auxiliary conveying roller
(11), it is vertically arranged main conveying roller (10) and is vertically arranged between auxiliary conveying roller (11) there are gap, is vertically arranged main conveying roller (10) and conveys
Motor (7) is connected, and is vertically arranged auxiliary conveying roller (11) and is connected by cylindrical gear pair (9) with main conveying roller (10) is vertically arranged, tow road
Diameter, which bypasses, to be vertically arranged main conveying roller (10) and is vertically arranged total cornerite on auxiliary conveying roller (11) surface not less than 400 °.
5. according to claim 4 be based on big cornerite and great friction coefficient fibre bundle low-tension conveying device, feature
It is, being vertically arranged main conveying roller (10) and being vertically arranged the material of auxiliary conveying roller (11) is steel, aluminium alloy or engineering plastics；
Be vertically arranged main conveying roller (10) and be vertically arranged auxiliary conveying roller (11) and be coated with friction material, the friction material and tow it
Between coefficient of friction be not less than 0.5.
6. according to claim 5 be based on big cornerite and great friction coefficient fibre bundle low-tension conveying device, feature
It is, friction material is rubber.
7. according to claim 1 be based on big cornerite and great friction coefficient fibre bundle low-tension conveying device, feature
It is, when conveying device (5) is horizontally disposed with, conveying device (5) includes horizontal main conveying roller (19) and horizontal auxiliary conveying roller
(20), there are gaps between horizontal main conveying roller (19) and horizontal auxiliary conveying roller (20)；Feeder motor (7) output shaft passes through connection
Axis device (15) is connected with bevel gear pair (16), and bevel gear pair (16) is connected and is connected with horizontal main conveying roller (19), feeder motor (7)
Also it is connected with horizontal cylindrical gear pair (17), horizontal cylindrical gear pair (17) is connected with horizontal auxiliary conveying roller (20).
8. according to claim 7 be based on big cornerite and great friction coefficient fibre bundle low-tension conveying device, feature
It is, horizontal auxiliary conveying roller (20) side is provided with guide comb bar (18)；Horizontal main conveying roller (19) and the conveying of horizontal auxiliary
The material of roller (20) is steel, aluminium alloy or engineering plastics；Horizontal main conveying roller (19) and horizontal auxiliary conveying roller (20) surface
It is enclosed with friction material, the coefficient of friction between the friction material and tow is not less than 0.5.
9. according to claim 7 be based on big cornerite and great friction coefficient fibre bundle low-tension conveying device, feature
It is, tow path is not less than 400 ° around total cornerite of horizontal main conveying roller (19) and horizontal auxiliary conveying roller (20) surface.
10. a kind of defeated based on big cornerite and great friction coefficient fibre bundle low-tension conveying device as described in claim 1
Delivery method, which is characterized in that conveying device (5) overcomes the braking moment of brake (1) to extract tow from feed device (3) out,
The braking moment of brake (1) acts on material volume, and tow is sent out from the material volume of feed device (3), then passes around isolation film
Rolling-up mechanism (4), tow tension drives isolation film rolling-up mechanism (4) to rotate synchronously under the effect of brake 1, and film winder is isolated
Structure (4) will be isolated film stripping and collect, and then tow is by conveying device (5) and tension mechanism (13), into piddler head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910784549.7A CN110498292B (en) | 2019-08-23 | 2019-08-23 | Low-tension conveying device and method based on large wrap angle and high-friction-coefficient fiber tows |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910784549.7A CN110498292B (en) | 2019-08-23 | 2019-08-23 | Low-tension conveying device and method based on large wrap angle and high-friction-coefficient fiber tows |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110498292A true CN110498292A (en) | 2019-11-26 |
| CN110498292B CN110498292B (en) | 2020-07-28 |
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| CN201910784549.7A Active CN110498292B (en) | 2019-08-23 | 2019-08-23 | Low-tension conveying device and method based on large wrap angle and high-friction-coefficient fiber tows |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113059829A (en) * | 2021-03-09 | 2021-07-02 | 北京航空航天大学 | Synchronous collecting mechanism for isolating films of thermosetting fiber prepreg tapes |
| CN114348784A (en) * | 2022-01-05 | 2022-04-15 | 中国航空制造技术研究院 | Torque transmitter and tow releasing mechanism |
| CN114671301A (en) * | 2022-03-17 | 2022-06-28 | 合肥通晟智能装备有限公司 | Extremely low tensile sectional type control system of tow in fiber placement equipment |
| CN115583539A (en) * | 2022-10-27 | 2023-01-10 | 中国航空制造技术研究院 | Device and method for controlling tow tension for laying composite tows |
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| CN113059829A (en) * | 2021-03-09 | 2021-07-02 | 北京航空航天大学 | Synchronous collecting mechanism for isolating films of thermosetting fiber prepreg tapes |
| CN113059829B (en) * | 2021-03-09 | 2022-03-25 | 北京航空航天大学 | Synchronous collecting mechanism for isolating films of thermosetting fiber prepreg tapes |
| CN114348784A (en) * | 2022-01-05 | 2022-04-15 | 中国航空制造技术研究院 | Torque transmitter and tow releasing mechanism |
| CN114671301A (en) * | 2022-03-17 | 2022-06-28 | 合肥通晟智能装备有限公司 | Extremely low tensile sectional type control system of tow in fiber placement equipment |
| CN115583539A (en) * | 2022-10-27 | 2023-01-10 | 中国航空制造技术研究院 | Device and method for controlling tow tension for laying composite tows |
| CN115583539B (en) * | 2022-10-27 | 2023-09-19 | 中国航空制造技术研究院 | Tow tension control device and method for composite material tow laying |
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| CN110498292B (en) | 2020-07-28 |
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