CN107738458A - Flexible fiber continuous conveying mechanism in a kind of dry fibers laying apparatus - Google Patents
Flexible fiber continuous conveying mechanism in a kind of dry fibers laying apparatus Download PDFInfo
- Publication number
- CN107738458A CN107738458A CN201711243945.6A CN201711243945A CN107738458A CN 107738458 A CN107738458 A CN 107738458A CN 201711243945 A CN201711243945 A CN 201711243945A CN 107738458 A CN107738458 A CN 107738458A
- Authority
- CN
- China
- Prior art keywords
- module
- dry fibers
- main
- line slideway
- laying apparatus
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
- B29C70/38—Automated lay-up, e.g. using robots, laying filaments according to predetermined patterns
- B29C70/382—Automated fiber placement [AFP]
- B29C70/384—Fiber placement heads, e.g. component parts, details or accessories
Landscapes
- Engineering & Computer Science (AREA)
- Robotics (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Mechanical Engineering (AREA)
- Preliminary Treatment Of Fibers (AREA)
- Nonwoven Fabrics (AREA)
Abstract
The invention discloses flexible fiber continuous conveying mechanism in a kind of dry fibers laying apparatus, including servomotor, driving toggle, main blessing module, secondary self-clamping module and line slideway module；The output end of servomotor is vertically set on one end of driving toggle, drive the other end of toggle and main blessing module-articulation, main one end for accommodating module and being arranged on line slideway module, secondary self-clamping module is arranged on the other end of line slideway module, and servomotor is by driving toggle to drive main blessing module to be moved along line slideway module.The present invention can realize that fibre bundle continues towed conveying, solve the problems, such as the soft yielding difficulty of transportation of dry fibers tow, substantially increase dry fibers laying apparatus and resend precision and reliability, effectively reduce fibre damage.
Description
Technical field
The invention belongs to polymer matrix composites manufacturing field, flexible fiber in more particularly to a kind of dry fibers laying apparatus
Continuous conveying mechanism.
Background technology
Resin base fiber reinforced composite material with its designability is strong, specific strength specific modulus is high, fatigue crack-resistant performance is good,
A series of superior functions such as structure-function integration, substituting other materials turns into the widely used functional material of aerospace field
And structural material.
Resin-based compound material component shaping at present uses prepreg tape automatic fiber placement technology, but is but deposited in laid course
Some are difficult to overcome the problem of：First, prepreg tape use due to self character limit must cryopreservation and prepare cost compared with
Height, improve composite element manufacturing cost；Secondly, prepreg tape room temperature has maximum conserving time limit, limits and lays the duration
With scantling and complexity；Again, for prepreg tape shaping for, it is necessary to which large-scale solidification of hot-press tank, shaping efficiency are low
And equipment is expensive；Finally, prepreg tape due to resin content itself it is higher, lay path curvatures it is excessive easily produce fold, seriously
Influence component performance.Dry fibers automatic fiber placement technology is to replace prepreg tape using the dry fibers tow of very small amount sizing adhesive,
Dry fibers are successively laid on core according to the angle of planning by automating laying apparatus, fiber surface is activated during lay
Adhesive, fibre bundle sizing is set to carry out liquid molding so as to obtain composite element preform, then by preform.With
Traditional prepreg tape automatic fiber placement technology is compared, and dry fibers automatic fiber placement technical costs is low, liquid die shaping substitution autoclave into
Type, energy consumption is small, simultaneously as dry fibers tow resin content is lower can to realize that more deep camber path is laid.
Mechanism is resend as the corn module in dry fibers laying apparatus, is mainly used in the dry fibers silk after cutting
Shu Chongxin is delivered to pressure roller bottom.The two pairs of rollers of traditional prepreg tape automatic fiber placement equipment frictionally resend mode, can not meet dry fibre
Dimension tow resends requirement, easily causes fiber and rolls deformation, cracking, resend failure, fibre bundle, which is easily involved in, resends roller, causes weight
It is unreliable to send.For case above, need badly and develop that a kind of dry fibers laying apparatus is special to resend mechanism, realize dry fibers tow height
Effect, highly reliable, low damage are resend.
The content of the invention
It is an object of the invention to provide flexible fiber continuous conveying mechanism in a kind of dry fibers laying apparatus, with solution
State problem.
To achieve the above object, the present invention uses following technical scheme：
Flexible fiber continuous conveying mechanism in a kind of dry fibers laying apparatus, including servomotor, driving crank connecting link machine
Structure, main blessing module, secondary self-clamping module and line slideway module；The output end of servomotor is vertically set on driving crank connecting link
One end of mechanism, drives the other end of toggle and main blessing module-articulation, and main blessing module is arranged on line slideway
One end of module, secondary self-clamping module are arranged on the other end of line slideway module, and servomotor is by driving toggle
Main blessing module is driven to be moved along line slideway module.
Further, driving toggle includes long connecting rod, stock, quarter butt and short connecting rod；Long connecting rod
One end is connected by the output end of shaft coupling and servomotor；Two quarter butts are set in parallel in the both sides of stock, and two quarter butts
One end and one end of stock be hinged by short axle, hinged place is provided with jump ring；Long connecting rod is vertically set on quarter butt
The other end, short connecting rod are vertically set on the other end of another quarter butt；
Further, line slideway module includes line slideway, sliding block, contiguous block and hinged block；Sliding block is arranged on straight line
On guide rail, contiguous block is set on the outside of sliding block, and the bottom of contiguous block is fixedly installed hinged block；The other end and hinged block of stock
Be hinged, hinged place is provided with jump ring.
Further, it is identical to hold modular structure for main blessing module and sub-folder, and main blessing module includes support, feed track pressure
Plate, gripper cylinder and pressure head；Support includes bottom plate and side plate, and one end that side plate is vertically set on plate upper surface forms L-shaped knot
Structure, side plate is provided with fiber feed track on bottom plate；It is bolted above fiber feed track and is provided with feed track pressure
Plate；It is bolted at the top of side plate and is provided with gripper cylinder, the bottomed cylinder output end of gripper cylinder is provided with pressure head；Conveying
Hole is offered on road pressing plate, pressure head is inserted in hole；It is provided between the top of pressure head and gripper cylinder for locking pressure head
Locking nut；The bottom of support is bolted the upper surface for being arranged on contiguous block.
Further, the bottom of secondary self-clamping module is fixedly installed auxiliary silk head integrated connection block, and auxiliary silk head is connected block
It is arranged on line slideway.
Further, pressure head is made up of polytetrafluoroethylene (PTFE), and pressure head is cylindric；Fiber feed track opening uses rounding
Structure, polytetrafluoroethylene (PTFE) is coated with fiber feed track；Fiber feed track is wedge shape.
Compared with prior art, the present invention has following technique effect：
The servomotor of the present invention drives toggle to drive sliding block straight line in line slideway module by shaft coupling
Move, installed in line slideway module and push clamping dry fibers tow for the main self-clamping module pressure head of fibre bundle clamping, done
Fibre bundle is moved along a straight line with main self-clamping module, and realization, which pushes away, drags formula conveying.When crank and connecting rod movement to line slideway
End reaches range, and main self-clamping module pressure head lifts, and secondary self-clamping module pressure head clamps dry fibers tow and kept on line immediately
Tension force, now, driving toggle start drawback movement, and main self-clamping module is servo-actuated until replying initial position.Crank connects
Linkage, which moves back and forth, can realize that dry fibers tow persistently conveys.It is defeated that the present invention can realize that fibre bundle continues towed
Send, solve the problems, such as the soft yielding difficulty of transportation of dry fibers tow, substantially increase dry fibers laying apparatus and resend precision
And reliability, effectively reduce fibre damage.
Brief description of the drawings
Fig. 1 is the concrete mechanism schematic diagram that fiber towed resends mechanism in dry fibers laying apparatus of the invention；
Fig. 2 is the toggle schematic diagram that fiber towed resends mechanism in dry fibers laying apparatus of the invention；
The main folder that Fig. 3 resends mechanism for fiber towed in the dry fibers laying apparatus of the present invention holds module diagram；
Fig. 4 is the line slideway module diagram that fiber towed resends mechanism in dry fibers laying apparatus of the invention；
Fig. 5 is to resend design sketch.
In accompanying drawing：1. servomotor；2. shaft coupling；3. drive toggle；4. main self-clamping module；5. line slideway
Module；6. secondary self-clamping module；7. piddler head is connected block；31. long connecting rod；32. stock；39. quarter butt；35. short axle；310.
Short connecting rod；41. support；44. feed track pressing plate；45. gripper cylinder；46. locking nut；47. pressure head；48. fiber feed track；
51. line slideway；52. hinged block；53. sliding block；54. contiguous block.
Embodiment
Below in conjunction with accompanying drawing, the present invention is further described:
Refer to Fig. 1-Fig. 5, flexible fiber continuous conveying mechanism in a kind of dry fibers laying apparatus, including servomotor 1,
Drive toggle 3, main blessing module 4, secondary self-clamping module 6 and line slideway module 5；The output end of servomotor 1 is hung down
Straight one end for being arranged on driving toggle 3, drive the other end of toggle 3 and main blessing module 4 be hinged, it is main
One end that module 4 is arranged on line slideway module 5 is accommodated, secondary self-clamping module 6 is arranged on the other end of line slideway module 5, watched
Motor 1 is taken by driving toggle 3 to drive main blessing module 4 to be moved along line slideway module 5.
Driving toggle 3 includes long connecting rod 31, stock 32, quarter butt 39 and short connecting rod 310；Long connecting rod 31
One end be connected by shaft coupling 2 with the output end of servomotor 1；Two quarter butts 39 are set in parallel in the both sides of stock 32, and
One end of two quarter butts 39 is be hinged by short axle 35 with one end of stock 32, and hinged place is provided with jump ring；Long connecting rod 31 is vertical
The other end of a quarter butt 39 is arranged on, short connecting rod 310 is vertically set on the other end of another quarter butt 39；
Line slideway module 5 includes line slideway 51, sliding block 53, contiguous block 54 and hinged block 52；Sliding block 53 is arranged on directly
On line guide rail 51, contiguous block 54 is set in the outside of sliding block 53, and the bottom of contiguous block 54 is fixedly installed hinged block 52；Stock 32
The other end is be hinged with hinged block 52, and hinged place is provided with jump ring.
It is main blessing module 4 it is identical with the secondary structure of self-clamping module 6, it is main blessing module 4 include support 41, feed track pressing plate 44,
Gripper cylinder 45 and pressure head 47；Support 41 includes bottom plate and side plate, and one end that side plate is vertically set on plate upper surface forms L-shaped
Structure, side plate is provided with fiber feed track 48 on bottom plate；The top of fiber feed track 48 be bolted be provided with it is defeated
Send pressing plate 44；It is bolted at the top of side plate and is provided with gripper cylinder 45, the bottomed cylinder output end of gripper cylinder 45 is set
It is equipped with pressure head 47；Hole is offered on feed track pressing plate 44, pressure head 47 is inserted in hole；The top of pressure head 47 and gripper cylinder 45 it
Between be provided with locking nut 46 for locking pressure head 47；The bottom of support 41, which is bolted, is arranged on the upper of contiguous block 54
Surface.
The bottom of secondary self-clamping module 6 is fixedly installed auxiliary silk head integrated connection block 7, and auxiliary silk head integrated connection block 7 is arranged on
On line slideway 51.
Pressure head 47 is made up of polytetrafluoroethylene (PTFE), and pressure head 47 is cylindric；The opening of fiber feed track 48 uses rounding knot
Structure, polytetrafluoroethylene (PTFE) is coated with fiber feed track 48；Fiber feed track 48 is wedge shape.
The specific implementation step of the present invention is illustrated below, comprised the following steps：
1) conveying starts, and main self-clamping module pressure head pushes gripping fibers tow, and cutting mechanism lifts reset.
2) servomotor starts, and driving toggle drives main self-clamping module to be done from initial position to secondary self-clamping module
Linear motion, while pull fibre bundle conveying.
3) when crank and connecting rod movement to maximum travel position, secondary self-clamping module pressure head push gripping fibers tow, together
When main self-clamping module pressure head lift, and with toggle drawback movement, until moving to initial position.Fibre bundle passes through
Feed track is sent into pressure roller bottom and continues to lay.
If 4) transporting fibre bundle need to be continued, the process of repeat step 2 and 3, fibre bundle can be achieved and persistently convey.
Fiber towed in an a kind of dry fibers laying apparatus provided by the invention is given below and resends mechanism specifically in fact
Apply example.
Embodiment：
It is 2N, 3N, 4N, 5N, 6N, 7N to control fibre bundle tension force respectively, respectively resend for 10 times under every group of tension value, if
It is 66mm that theorem opinion, which resends length, and measurement obtains tow in each group experiment and resends length.Effect is resend as shown in figure 5, tension force is
During 7N, it is 62.9 ± 1.4mm to resend length, resends error in length and reaches maximum；When tension force is 4N, resend length for 65.0 ±
0.2mm, it is best to resend precision, reaches ± 0.2mm；And tension force is when being 2N, it is 65.5 ± 0.3mm to resend length, although average weight
Length is sent to resend length closer to theory, good when being 4N but trueness error does not have tension force, therefore, tension force is that 4N uses towed
Resending mechanism can realize that high precision fiber is resend.
Module is resend relative to pair roller type fiber used in current carbon fiber prepregs automatic fiber placement machine, and the present invention can be with
Efficient, highly reliable, the low damage fiber conveying of dry fibers tow is realized, tradition is efficiently solved and resends fiber in pattern and roll change
Shape, cracking, the problems such as resending failure, the reliability of dry fibers laying apparatus greatly improved.Fibre bundle high quality, high accuracy
Conveying, is advantageous to dry fibers preform high quality, high-precision modeling.
Claims (6)
1. flexible fiber continuous conveying mechanism in a kind of dry fibers laying apparatus, it is characterised in that including servomotor (1), drive
Dynamic toggle (3), main blessing module (4), secondary self-clamping module (6) and line slideway module (5)；Servomotor (1)
Output end is vertically set on one end of driving toggle (3), the other end and the main blessing of driving toggle (3)
Module (4) is be hinged, and main one end for accommodating module (4) and being arranged on line slideway module (5), secondary self-clamping module (6) is arranged on straight line
The other end of rail module (5), servomotor (1) is by driving toggle (3) to drive main blessing module (4) along straight line
Rail module (5) is mobile.
2. flexible fiber continuous conveying mechanism in a kind of dry fibers laying apparatus according to claim 1, it is characterised in that
Driving toggle (3) includes long connecting rod (31), stock (32), quarter butt (39) and short connecting rod (310)；Long connecting rod
(31) one end is connected by shaft coupling (2) with the output end of servomotor (1)；Two quarter butts (39) are set in parallel in stock
(32) both sides, and one end of two quarter butts (39) and one end of stock (32) are be hinged by short axle (35), hinged place is provided with
Jump ring；Long connecting rod (31) is vertically set on the other end of a quarter butt (39), and short connecting rod (310) is vertically set on another
The other end of quarter butt (39).
3. flexible fiber continuous conveying mechanism in a kind of dry fibers laying apparatus according to claim 2, it is characterised in that
Line slideway module (5) includes line slideway (51), sliding block (53), contiguous block (54) and hinged block (52)；Sliding block (53) is set
On line slideway (51), contiguous block (54) is set on the outside of sliding block (53), and the bottom of contiguous block (54) is fixedly installed be hinged
Block (52)；The other end of stock (32) is be hinged with hinged block (52), and hinged place is provided with jump ring.
4. flexible fiber continuous conveying mechanism in a kind of dry fibers laying apparatus according to claim 3, it is characterised in that
Main blessing module (4) is identical with secondary self-clamping module (6) structure, and main blessing module (4) includes support (41), feed track pressing plate
(44), gripper cylinder (45) and pressure head (47)；Support (41) includes bottom plate and side plate, and side plate is vertically set on plate upper surface
One end forms L-shaped structure, and side plate is provided with fiber feed track (48) on bottom plate；Pass through spiral shell above fiber feed track (48)
Bolt is fixedly installed feed track pressing plate (44)；It is bolted at the top of side plate and is provided with gripper cylinder (45), gripper cylinder
(45) bottomed cylinder output end is provided with pressure head (47)；Hole is offered on feed track pressing plate (44), pressure head (47) is inserted in hole
It is interior；The locking nut (46) for locking pressure head (47) is provided between the top of pressure head (47) and gripper cylinder (45)；Support
(41) bottom is bolted the upper surface for being arranged on contiguous block (54).
5. flexible fiber continuous conveying mechanism in a kind of dry fibers laying apparatus according to claim 4, it is characterised in that
The bottom of secondary self-clamping module (6) is fixedly installed auxiliary silk head integrated connection block (7), and auxiliary silk head integrated connection block (7) is arranged on directly
On line guide rail (51).
6. flexible fiber continuous conveying mechanism in a kind of dry fibers laying apparatus according to claim 4, it is characterised in that
Pressure head (47) is made up of polytetrafluoroethylene (PTFE), and pressure head (47) is cylindric；Fiber feed track (48) opening uses rounding corner structure,
Polytetrafluoroethylene (PTFE) is coated with fiber feed track (48)；Fiber feed track (48) is wedge shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711243945.6A CN107738458B (en) | 2017-11-30 | 2017-11-30 | Flexible fiber continuous conveying mechanism in a kind of dry fibers laying apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711243945.6A CN107738458B (en) | 2017-11-30 | 2017-11-30 | Flexible fiber continuous conveying mechanism in a kind of dry fibers laying apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107738458A true CN107738458A (en) | 2018-02-27 |
| CN107738458B CN107738458B (en) | 2019-08-23 |
Family
ID=61239813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711243945.6A Active CN107738458B (en) | 2017-11-30 | 2017-11-30 | Flexible fiber continuous conveying mechanism in a kind of dry fibers laying apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107738458B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111115333A (en) * | 2019-12-31 | 2020-05-08 | 武汉大学 | Automatic laying device for pre-stripping lining paper of composite material prepreg tape |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103692663A (en) * | 2013-12-30 | 2014-04-02 | 中国科学院自动化研究所 | Method for reconveying, shearing, guiding and compacting fiber tows |
| CN205343845U (en) * | 2016-04-13 | 2016-06-29 | 李军利 | Device is put in automatic general shop of silk of spreading of carbon -fibre composite |
| DE102016103484A1 (en) * | 2016-02-26 | 2017-08-31 | Deutsches Zentrum für Luft- und Raumfahrt e.V. | Fiber laying head for laying semifinished fiber profiles, fiber laying plant and method for this |
| CN107187075A (en) * | 2017-05-12 | 2017-09-22 | 武汉理工大学 | Device is resend in a kind of carbon fiber placement head |
-
2017
- 2017-11-30 CN CN201711243945.6A patent/CN107738458B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103692663A (en) * | 2013-12-30 | 2014-04-02 | 中国科学院自动化研究所 | Method for reconveying, shearing, guiding and compacting fiber tows |
| DE102016103484A1 (en) * | 2016-02-26 | 2017-08-31 | Deutsches Zentrum für Luft- und Raumfahrt e.V. | Fiber laying head for laying semifinished fiber profiles, fiber laying plant and method for this |
| CN205343845U (en) * | 2016-04-13 | 2016-06-29 | 李军利 | Device is put in automatic general shop of silk of spreading of carbon -fibre composite |
| CN107187075A (en) * | 2017-05-12 | 2017-09-22 | 武汉理工大学 | Device is resend in a kind of carbon fiber placement head |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111115333A (en) * | 2019-12-31 | 2020-05-08 | 武汉大学 | Automatic laying device for pre-stripping lining paper of composite material prepreg tape |
| CN111115333B (en) * | 2019-12-31 | 2021-09-03 | 武汉大学 | Automatic laying device for pre-stripping lining paper of composite material prepreg tape |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107738458B (en) | 2019-08-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204585872U (en) | Planer-type placement of fibrous belt machine | |
| CN104972309B (en) | Assembly line mechanism for assembly line | |
| CN102380957B (en) | Large-tow carbon fiber and glass fiber composite preimpregnation equipment | |
| CN111453328A (en) | Automatic hacking machine is made in production of PVC pipe fitting | |
| CN202279998U (en) | Reverse pulp-suction forming machine dumping gear | |
| CN103707611B (en) | Hollow composite flat plate production device | |
| CN205130405U (en) | Integrative 3D of far and near end beats printer head | |
| CN107738458A (en) | Flexible fiber continuous conveying mechanism in a kind of dry fibers laying apparatus | |
| CN208343500U (en) | A kind of PPR pipe correction fixture | |
| CN214026140U (en) | Automatic single-layer board splicing equipment for producing mildew-proof composite bamboo boards | |
| CN205466945U (en) | Tire vulcanizer and vulcanizer support thereof | |
| CN106246044B (en) | One kind group door machine | |
| CN209258570U (en) | A kind of printing paper automatic feeder of Paper adhesive machine | |
| CN107856295B (en) | 3D printer | |
| CN106586479A (en) | Aligning and conveying device of composite board production line | |
| CN2855714Y (en) | Internal heating curing type system for mfg. glass fiber reinforced plastic pipeline | |
| CN202225445U (en) | Preimpregnation equipment for large-tow carbon fiber/glass fiber composite materials | |
| CN204792479U (en) | Plain sub - filling device of condenser | |
| CN111231334B (en) | Wiring method for butt welding of ultra-high molecular weight polyethylene straight pipes | |
| WO2015014003A1 (en) | Belted layer feeding frame and feeding method thereof | |
| CN114571740A (en) | Anti-aging FRP glass fiber reinforced plastic pipe production equipment | |
| CN203739251U (en) | Infrared hollow plate lapping welding machine | |
| CN208560874U (en) | A kind of wood plastics composite automatic production line | |
| CN202712145U (en) | Fixed-length conveying device for lead frame of integrated chip | |
| CN207594373U (en) | A kind of two-drum forming machine pads glue feed frame |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |