CN110394997A - A kind of ring frame composite product piddler equipment and working method - Google Patents
A kind of ring frame composite product piddler equipment and working method Download PDFInfo
- Publication number
- CN110394997A CN110394997A CN201910700127.7A CN201910700127A CN110394997A CN 110394997 A CN110394997 A CN 110394997A CN 201910700127 A CN201910700127 A CN 201910700127A CN 110394997 A CN110394997 A CN 110394997A
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- China
- Prior art keywords
- piddler
- ring frame
- prepreg
- pressure roller
- composite product
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- 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
- B29C70/34—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 and shaping or impregnating by compression, i.e. combined with compressing after the lay-up operation
-
- 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
-
- 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
- B29C70/54—Component parts, details or accessories; Auxiliary operations, e.g. feeding or storage of prepregs or SMC after impregnation or during ageing
Abstract
Text slightly provides ring frame composite product piddler equipment, including fixed frame, the turntable that is pivotally mounted to fixed frame, several ring frame moulds for being relatively fixed to turntable, is relatively fixed to the yarn spreading mechanism of fixed frame and is relatively fixed to the local pressure exerting arrangement of fixed frame；Wherein, the yarn spreading mechanism 0 degree piddler head in the same direction from ring frame extending direction that include Direction of fibre distribution and multiple Direction of fibre distribution non-zero degree piddler head different with ring frame extending direction.The present invention can disposably realize multiple ring frame composite product automation layings, largely improve the Forming Quality and shaping efficiency of above-mentioned labyrinth.Based on this, present invention also provides working methods.
Description
Technical field
The present invention relates to composite material automated manufacturing field more particularly to the molding equipment of ring frame composite product,
The automatic forming of Z-shaped composite material ring frame especially suitable for cross-section iso-curvature radius.
Background technique
Frame-type structure is the important component of aircaft configuration, is commonly used for aircraft bulkhead or other skeleton parts, direct shadow
The accuracy and structural-load-carrying capacity for ringing aircraft configuration, play an important role in the general frame of aircraft.But because compound
Material beam, mount structure are complicated, section form is various, Curvature varying is big, and manufacture difficulty is big.The cross sectional shape of common ring frame be C-shaped,
Z-shaped, L shape, shape for hat etc..Because having the advantages that structure efficiency is high, quality testing difficulty is low etc., Z-section frame-shaped construction is able to wide
General application.
The forming method of composite material frame-shaped construction is hot diaphragm forming technique at present.This kind of forming method is by automatic paving
Band technology and diaphragm forming technology want to combine, first using automated tape-laying equipment laying go out prepreg band laminate, be then transferred to every
On film machine molding machine, the diaphragm of one layer of high ductibility is covered with lamina surface in prepreg, utilizes negative pressure of vacuum and heating equipment
Effect it is fitted in preforming required structure in curve mold completely.
The molding equipment of common composite material frame-shaped construction can not obtain good Forming Quality and working efficiency, and right
For the Z-shaped composite material ring frame of big thickness and it is not suitable for.
Therefore, how to be directed to disadvantage present in the above-mentioned prior art and carry out research and development improvement, actually exerted needed for relevant industry
Power research and development target, the application designer in view of this, be think and creation idea, designed then with the experience of many years, pass through
In many ways sampling test is inquired into and is studied, and repeatedly amendment improvement, be releasing the application.
Summary of the invention
In order to solve the above technical problems one or more, this application provides ring frame composite product piddler equipments
And its working method.
On the one hand, the present invention provides ring frame composite product piddler equipment,
Including fixed frame, the turntable that is pivotally mounted to fixed frame, several ring frame moulds of relatively fixed turntable, phase
Yarn spreading mechanism to fixed frame and the local pressure exerting arrangement for being relatively fixed to fixed frame；
Wherein, yarn spreading mechanism includes 0 degree of paving being laid with for Direction of fibre distribution and ring frame extending direction prepreg tape in the same direction
Silk head and multiple non-zero degree piddler heads being laid with for the prepreg tape of Direction of fibre distribution and ring frame extending direction different directions.
The present invention can disposably realize multiple ring frame composite product automation layings, largely improve above-mentioned
The Forming Quality and shaping efficiency of labyrinth.In order to simplify production cable architecture, reducing mechanism control difficulty, rotated using mold
It moves back and forth, the fixed basic configuration of yarn spreading mechanism.
In some embodiments, non-zero degree piddler head include Direction of fibre distribution and ring frame extending direction in vertical state
90 degree of piddler heads, Direction of fibre distribution and ring frame extending direction in 45 ° of angles 45 degree piddler heads and Direction of fibre distribution and
Ring frame extending direction spends piddler heads in-the 45 of -45 ° of angles.
In some embodiments, ring frame composite product is Z-shaped ring frame composite product, and 0 degree of piddler head includes
Vertical face piddler head for 0 degree of laying paving of vertical plane, the horizontal face piddler head for 0 degree of laying paving of horizontal plane,
The sub- piddler head in the angular region R for the 0 degree of laying paving of R angular zone.
In some embodiments, vertical face piddler head includes the slide unit connecting with fixed frame, slides and match with slide unit
The two pressure roller connection frames that close, the upper vertical plane laying pressure roller for one of being fixed on two pressure roller connection frames and it is fixed on the connection of two pressure rollers
Another lower vertical plane laying pressure roller of frame, upper vertical plane laying pressure roller and the one-to-one correspondence cooperation of lower vertical plane laying pressure roller are Z-shaped
Two vertical planes of ring frame composite product.
In some embodiments, horizontal face piddler head includes the horizontal plane laying piddler head with fixed frame with connection
Mounting plate, horizontal plane laying piddler head mounting plate configuration level face piddler head pressure roller connection frame, the connection of horizontal plane piddler head pressure roller
Frame is equipped with the horizontal plane laying piddler head pressure roller for cooperating Z-shaped ring frame composite product.
In some embodiments, the sub- piddler head in the angular region R includes external corner pressure roller, the R of the overt corner surface laying for R angular zone
The inner corner trim pressure roller of the corner laying of angular zone, the angular region the R laying piddler head mounting plate for being installed on fixed frame and it is configured at R
Angular region laying piddler head mounting plate and two angular region the R piddler head pressure roller connection frames to install external corner pressure roller Yu inner corner trim pressure roller.
In some embodiments, non-zero degree piddler head includes the piddler head mounting plate for being set to fixed frame, and can be by not
Connection frame is rotated with the piddler head that piddler angle is installed on piddler head mounting plate, piddler head rotation connection frame is provided with prepreg band
Cylinder, the release paper Scroll for withdrawing release paper, for realizing to prepreg with clamping function clamping device, for realizing
Prepreg tape after removing release paper is imported into the guide groove of clamping device, the prepreg being configured between guide groove and clamping device
With cutter, the system for compacting for prepreg band to be compacted to ring frame mould surface.
In some embodiments, clamping device includes guide post, be slidably installed platform and the offer cunning for being slidably mounted on guide post
Dynamic erecting bed has the elastic device for the trend that moves upwards, and the platform that is slidably installed configures the relatively-stationary clamping auxiliary of rotary shaft position
Roller, the clamping auxiliary pressure roller with rotary shaft position activity setting, the platform that is slidably installed configuration are provided with the rotation of clamping auxiliary pressure roller
The rail portion of axis activity interval.
In some embodiments, system for compacting includes bottom briquetting for being fixed bottom prepreg band and is used for
Prepreg band is compacted at the compression roll on ring frame mould surface.
In some embodiments, non-zero degree piddler head further includes lateral broadening mechanism, and laterally broadening mechanism includes edge preimpregnation
The multiple tracks bowed roller of material strip direction of motion arrangement, and drive the arc roll driving apparatus of the rotation of each arc-shaped deformation roller, each arc
Roller is arc to roller, arc to each arc list roller in roller include inner arc frame and be arranged inner arc frame outer flexible roll surface knot
Structure, configures multiple tracks bearing between inner arc frame and outer flexible roll surface, radian is gradually in prepreg tape motion direction for multiple tracks bowed roller
Increase.
It in some embodiments, further include being configured at prepreg band cylinder by measuring long sensing based on preimpregnation strip length
Device,
Further include and meter tall sensor, the driving mechanism of system for compacting, the driving mechanism of clamping device, the driving machine of turntable
The processor of the equal signal connection of the control mechanism of structure, prepreg with cutter.
On the other hand, the working method for the ring frame composite product piddler equipment that the application also provides,
Including 0 degree of piddler process, non-zero degree piddler process and revolving table position set-up procedure；
Wherein, non-zero degree piddler process sequentially includes the steps that constituting circulation as follows:
Prepreg band sends on step；Prepreg band cylinder, release paper recovery cylinder and meter tall sensor cooperation send on setting length
Prepreg band,
Prepreg band clamps cutting step；Prepreg end of tape is compacted at ring frame mould table by the bottom briquetting of system for compacting
Face side, clamping auxiliary pressure roller and clamping help roll, which are adjacent to, realizes clamping of the prepreg with top, and prepreg band cutter is completed pre-
The cutting of material strip is soaked,
Prepreg band piddler compacting step；Prepreg band piddler is compacted at ring frame mould contour surface, bottom by compression roll
Briquetting leaves ring frame mould surface,
It repeats prepreg band and sends on step；
Revolving table position set-up procedure；The function that ring frame mould circulates operation in multiple stations is provided, and/or execution is provided
The position of ring frame mould is mobile when piddler process.
Detailed description of the invention
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to needed in the embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for ability
For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is a kind of a kind of structural representation of ring frame composite product piddler equipment of embodiment provided by the invention
Figure；
Fig. 2 is a kind of structural schematic diagram of Z-shaped ring frame composite product；
Fig. 3 is a kind of a kind of embodiment party of 0 degree of piddler head of ring frame composite product piddler equipment provided by the invention
The structural schematic diagram of formula；
Fig. 4 is a kind of vertical face paving of 0 degree of piddler head of ring frame composite product piddler equipment provided by the invention
A kind of structural schematic diagram of embodiment of silk head；
Fig. 5 is a kind of horizontal face paving of 0 degree of piddler head of ring frame composite product piddler equipment provided by the invention
A kind of structural schematic diagram of embodiment of silk head；
Fig. 6 is a kind of sub- piddler in the angular region R of 0 degree of piddler head of ring frame composite product piddler equipment provided by the invention
A kind of structural schematic diagram of embodiment of head；
Fig. 7 is a kind of a kind of implementation of the non-zero degree piddler head of ring frame composite product piddler equipment provided by the invention
The structural schematic diagram of mode；
Fig. 8 is a kind of a kind of non-zero degree paving of embodiment of ring frame composite product piddler equipment provided by the invention
A kind of embodiment structure schematic diagram of the lateral broadening mechanism of silk head；
Fig. 9 is a kind of laying flow chart of the non-zero degree laying of ring frame composite product piddler equipment provided by the invention.
Specific embodiment
It is equipped as shown in Figure 1, the present invention provides ring frame composite product piddler, including fixed frame 7,
Be pivotally mounted to fixed frame 7 turntable 1,
Be relatively fixed to the turntable 1 several ring frame moulds 21,
Be relatively fixed to fixed frame 7 yarn spreading mechanism and
It is relatively fixed to the local pressure exerting arrangement 6 of fixed frame 7；
Wherein, yarn spreading mechanism includes the 0 degree of piddler head 2 and multiple fibers of Direction of fibre distribution and ring frame extending direction in the same direction
The distribution arrangement non-zero degree piddler head different from ring frame extending direction.
The present invention can disposably realize multiple ring frame composite product automation layings, largely improve above-mentioned
The Forming Quality and shaping efficiency of labyrinth.In order to simplify production cable architecture, reducing mechanism control difficulty, rotated using mold
It moves back and forth, the fixed basic configuration of yarn spreading mechanism.
Turntable 1 is rotatablely installed in fixed frame 7；It is laying loss convenient for being configured at 21 reciprocating rotation of ring frame mould of turntable 1
The compact configuration of structure, the monitoring of piddler quality, constructing operation continuity establish structure basis.
Turntable 1 is rotatablely installed in fixed frame 7；Specifically, fixed frame 1 preferably configures arc-shaped guide rail, turntable 1 cooperates arc
Guide rail setting；
Turntable 1 configures ring frame mould 21；Specifically, turntable 1 preferably configures the number of ring frame mould 21 according to ring frame mould 21
Radian size and working environment it can be selected that in the embodiment in figure 1, turntable 1 configures tricyclic frame mould 21, can be disposable right
3 ring frames carry out automation laying.
Local pressure exerting arrangement 6 is compacted for prepreg band interlayer, specifically, local pressure exerting arrangement 6 includes multiple groups rubber rollers
And multiple cylinders of each rubber rollers of driving, the pressure pressure of single roller is preferably 100-500N.
Multiple Direction of fibre distribution of multiple non-zero degree piddler heads are different from ring frame extending direction, the choosing of Direction of fibre distribution
It selects and is configured according to the Structural strength calls of ring frame composite product.
As an example, in embodiment as shown in Figure 1, non-zero degree piddler head includes
Direction of fibre distribution and ring frame extending direction 90 degree of piddler heads 3 in vertical state,
Direction of fibre distribution and ring frame extending direction in 45 ° of angles 45 degree of piddler heads 4 and
Direction of fibre distribution and ring frame extending direction are in -45 degree piddler heads 5 of -45 ° of angles.
Specifically, such as Fig. 1 embodiment, 3 stations of ring frame composite product piddler equipment arrangement configure 0 degree of piddler
3,45 degree of piddler heads 4, -45 of first 2,90 degree of piddler heads spend piddler head 5, local pressure exerting arrangement 6.
Certainly, such as the non-zero degree piddler head using other angles or quantity, it should also belong to the protection scope of the application.
Further, Z-shaped ring frame composite product is as a kind of typical ring frame composite product, schematic cross-section
As shown in Fig. 2, having two vertical planes, a horizontal plane and two R angular zones (external corner, an inner corner trim).
For the production efficiency for improving Z-shaped ring frame composite product, following typical piddler head is had also been devised in the application.And
Multiple groups are uniformly distributed in entire circular line, automatic fiber placement molding can be carried out to more Z-shaped composite material ring frames simultaneously.
As shown in figure 3,0 degree of piddler head include for 0 degree of laying paving of vertical plane vertical face piddler head 2-1, be used for
The horizontal face piddler head 2-2 of 0 degree of laying paving of horizontal plane, the sub- piddler head 2- in the angular region R for the 0 degree of laying paving of R angular zone
3。
It (along the laying of ring frame length direction) for 0 degree of laying, is limited by pressure roller deformability, list can not be utilized
One pressure roller completes the compacting to the angular region R prepreg band.0 degree of piddler head 2 of the application contains three sub- piddler heads, three's cooperation
Work, completes 0 degree of laying of Z-shaped ring frame.
The sub- piddler head 2-3 in the angular region R preferably uses preimpregnation tow, and (such as width is the molding of 6.35mm) piddler.There are faces for 0 degree of laying
Interior bending and the angular region R.In order to avoid the fiber in prepreg band causes fiber buckling because in-plane bending deformation is excessive, while
In order to ensure the compacting of the angular region R prepreg band, arch formation is avoided to occur, the angle laying preferably use the technique of automatic fiber placement into
Row piddler.
Vertical face piddler head 2-1 and horizontal face piddler head 2-2, can be used preimpregnation narrowband (such as width 12.7~
24.5mm) piddler forms.Improve shaping efficiency.
Vertical face piddler head 2-1, preferably use structure as shown in Figure 4, the mounting plate 9 including being connect with fixed frame 7 and
Two pressure roller connection frame 10-1, the upper vertical plane laying pressure roller 2- for one of being fixed on two pressure roller connection frame 10-1 that mounting plate 9 cooperates
The 1-1 and another lower vertical plane laying pressure roller 2-1-2 for being fixed on two pressure roller connection frame 10-1, upper vertical plane laying pressure roller 2-
1-1 and lower vertical plane laying pressure roller 2-1-2 corresponds two vertical planes for cooperating Z-shaped ring frame composite product.
Further, mounting plate 7-1 is configured between the mounting plate 9 that fixed frame 7 connects.
0 degree of piddler head pressure roller connection frame of vertical plane can be adjusted along the vertical direction in a certain range (shift motion 10mm)
It is whole, to avoid the concentration of adjacent tow in 0 degree of laying spliced in a thickness direction.
As the further improvement of up and down direction adjustment, there can be the installation position of multiple and different height using mounting plate 9,
Pressure roller connection frame 10-1 installs Mr. Yu installation position according to process requirement.
Another as up and down direction adjustment improves, and mounting plate 9 and pressure roller connection frame 10-1 alternative one configure at least
Having the sliding rail of vertical direction sliding, mounting plate 9 and pressure roller connection frame 10-1 alternative one configure the sliding groove with sliding rail cooperation,
Mounting plate 9 or pressure roller connection frame 10-1 configure fastening nut, need for mounting plate 9 and pressure roller connection frame 10-1 to be positioned at technique
The position wanted.
Horizontal face piddler head 2-2, preferably uses structure as shown in Figure 5, including the horizontal plane laying connecting with fixed frame 7
Piddler head mounting plate 7-2, horizontal plane laying piddler head mounting plate 7-2 configuration level face piddler head pressure roller connection frame 10-2, it is horizontal
Face piddler head pressure roller connection frame 10-2 is equipped with the horizontal plane laying for cooperating the Z-shaped ring frame composite product (horizontal plane)
Piddler head pressure roller 2-2-1；
Similarly in order to avoid the concentration of adjacent tow piece in a thickness direction in 0 degree of laying different on horizontal plane, even
Connect frame 10-2 position can on horizontal plane laying piddler head mounting plate 7-2 along ring frame diametrical direction carry out it is a certain range of
Adjustment.
Connection frame 10-2 carries out a certain range along the diametrical direction of ring frame mould in horizontal plane laying piddler head mounting plate 7-2
Adjustment can be using the implementation of more installation positions or the cooperation of sliding rail sliding groove between similar mounting plate 9 and pressure roller connection frame 10-1
Mode is not repeating.
As shown in fig. 6, the sub- piddler head 2-3 in the angular region R include the overt corner surface laying for R angular zone external corner pressure roller 2-3-1,
The inner corner trim pressure roller 2-3-2 of the corner laying of R angular zone, the angular region the R laying piddler head mounting plate 7-3 for being installed on fixed frame 7,
It is configured at the angular region R laying piddler head mounting plate 7-3 and two angular regions R to install external corner pressure roller 2-3-1 Yu inner corner trim pressure roller 2-3-2
Piddler head pressure roller connection frame 10-3.
There is the piddler of the ring frame at the different angles R for adaptation, pressure roller used in the piddler head of the angular region R is detachably arranged.Further, positive
Angle pressure roller 2-3-1, the angular region inner corner trim pressure roller 2-3-2 and R piddler head pressure roller connection frame 10-3 are detachably arranged.
For tactical diameter in the Z-shaped ring frame composite material of 2500-3000mm or so, 90 preferably use with ± 45 degree of layings
The common wide cut prepreg band such as 150mm/300mm, which is realized, carries out piddler to 90/ ± 45 degree of laying.
When carrying out piddler to cyclic structure from inside to outside using the certain prepreg band of width, with the continuous change of radius
Greatly, two adjacent strips preimpregnation interband will form gap.In order to avoid the generation in above-mentioned gap, the prepreg band after removing backing paper will
By deforming roller or gradually broadening, the change width because of caused by radius change is compensated, realizes that expiring for laying is coated with.
Specifically, in the embodiment as shown in figure 7, non-zero degree piddler head includes the piddler head peace for being set to fixed frame 7
Loading board 7-4, and the piddler head rotation connection frame 10-4 of piddler head mounting plate 7-4 can be installed on by different piddler angles,
Piddler head rotation connection frame 10-4 is provided with prepreg band cylinder 11, the release paper Scroll for withdrawing release paper
13, folder is imported for realizing to clamping device of the prepreg with clamping function, for realizing the prepreg tape that will be removed after release paper
It holds the guide groove 16 of mechanism, the prepreg being configured between the guide groove 16 and clamping device band cutter 17 and is used for
Prepreg band is compacted to the system for compacting on 21 surface of ring frame mould.
Different piddler angles only needs to rotate piddler head rotation connection frame 10-4 to target angle.
Clamping device include guide post, be slidably mounted on guide post be slidably installed platform 18-3 and provide be slidably installed platform 18-3 tool
There is the elastic device of upward movement tendency,
The platform 18-3 that is slidably installed configures the relatively-stationary clamping help roll 18-1 of rotary shaft position and rotary shaft position activity
The clamping of setting assists pressure roller 18-2,
The platform 18-3 that is slidably installed configuration is provided with the rail portion of the rotary shaft activity interval of clamping auxiliary pressure roller 18-2.
Clamping auxiliary pressure roller 18-2 preferably uses cylinder to drive, in the state that cylinder is brought about the desired sensation, clamping help roll 18-1 and folder
It holds auxiliary pressure roller 18-2 to fit closely, the prepreg band after cutting is clamped, realizes the clamping to prepreg band.
Effect tensioned always on gripping section prepreg band when to guarantee laying, clamping help roll 18-1 and clamping auxiliary
The platform 18-3 that is slidably installed of pressure roller 18-2 installation, (is arranged pretensioned spring for example, by using guide post under the action of the elastic means
Scheme) there is the trend that moves upwards, certain tension can be applied on the prepreg band of gripping section, while can also be with
The prepreg band clamping segment length that constantly automatically adjusts of piddler.
System for compacting includes the bottom briquetting 20-1 for being fixed bottom prepreg band
With the compression roll 20-2 for being compacted at ring frame mould 21 for prepreg band.
Compression roll 20-2 can be along ring frame mould contour motion, thus by prepreg tangible die surface with pressure.
Further, bottom briquetting 20-1 and compression roll 20-2 is preferably flexible rubber roller,
Further, system for compacting preferably further includes bottom briquetting driving cylinder and the driving compacting for driving bottom briquetting 20-1
The compression roll of roller 20-2 drives cylinder.
As shown in figure 8, a kind of ring frame composite product piddler equipment provided by the invention, non-zero degree piddler head further include
Laterally broadening mechanism laterally broadens mechanism and is located in prepreg tape motion direction between clamping device and system for compacting.
It is right according to the position of practical piddler when piddler for laterally gradually being broadened without backing prepreg band after cutting
Prepreg band is broadened in advance, is compensated with realizing to the gap increased with radius.(90/ ± 45 degree of laying is along Z-shaped ring frame
Diametrical direction from inside to outside under the preferable case of piddler).
Further, laterally broadening mechanism includes the multiple tracks bowed roller 19-1 arranged along the prepreg tape motion direction,
And the arc roll driving apparatus 19-2 of the rotation of each arc-shaped deformation roller 19-1 of driving.
Under tension, unidirectional pre-immersion material band generates certain transversely deforming after deformation, realizes prepreg band
Laterally broadening.Laterally broadening mechanism can the width online to prepreg band be adjusted, realize 90/ ± 45 degree of laying in, with
Radius increases and required prepreg bandwidth variation compensates, and largely improves the Forming Quality of above-mentioned labyrinth
And shaping efficiency.
Each bowed roller 19-1 preferably uses arc to have good fixed effect to the structure type of roller.
Two arcs preferably use inner arc frame to be arranged the structure of outer flexible roll surface on each arc list roller in roller, inner arc frame with
Multiple tracks bearing is configured between outer flexibility roll surface.
Multiple tracks bowed roller 19-1 radian in prepreg tape motion direction is cumulative.
Prepreg band gradually broadens under some tension effect through multistage bowed roller 19-1, to realize to increasing with radius
Gap compensates.
Ring frame composite product piddler provided by the invention is equipped
By measuring tall sensor 15 based on preimpregnation strip length.Meter tall sensor 15 is configured at the prepreg band cylinder 11；
Ring frame composite product piddler equipment provided by the invention further includes the drive with meter tall sensor 15, system for compacting
The equal signal connection of the control mechanism of motivation structure, the driving mechanism of clamping device, the driving mechanism of turntable 1, prepreg with cutter 17
Processor 8.
Processor preferably uses UMAC various controller, and host computer realizes data storage, motion planning etc..
It in practical work process, is required according to Lay up design, designs corresponding piddler program, select the piddler head of work,
To complete the manufacture of ring frame composite product.
Further, ring frame composite product piddler equipment provided by the invention further includes connecting with 8 signal of processor
Piddler quality testing mechanism.
On the other hand, the present invention also provides the working methods of ring frame composite product piddler equipment, including 0 degree of piddler work
Sequence, non-zero degree piddler process and revolving table position set-up procedure；
Wherein, non-zero degree piddler process sequentially includes the steps that constituting circulation as follows:
Prepreg band sends on step；Prepreg band cylinder 11, release paper recovery cylinder 13 and the meter cooperation of tall sensor 15 send on and set
The prepreg band of measured length,
Prepreg band clamps cutting step；Prepreg end of tape is compacted at ring frame mould by the bottom briquetting 20-1 of system for compacting
Have 21 surface sides, clamping auxiliary pressure roller 18-2 and clamping help roll 18-1, which are adjacent to, realizes clamping of the prepreg with top, preimpregnation
Material strip cutter 17 completes the cutting of prepreg band,
Prepreg band piddler compacting step；Prepreg band piddler is compacted at 21 profile table of ring frame mould by compression roll 20-2
Face, bottom briquetting 20-1 leave 21 surface of ring frame mould,
It repeats prepreg band and sends on step；
Revolving table position set-up procedure；The function that ring frame mould 21 circulates operation in multiple stations is provided, and/or provides and holds
The position of ring frame mould 21 is mobile when row piddler process.
Wherein, in prepreg band piddler compacting step, prepreg band piddler is compacted at ring frame mould 21 by compression roll 20-2
Contour surface, including, for compression roll 20-2 piddler prepreg band in 21 contour surface of ring frame mould, clamping device is continuous with piddler
It is moved downward, when prepreg band clamping device reaches lower limit, clamping device is abandoned clamping and be resetted, remaining free segment
Prepreg band continue to be compacted at 21 contour surface of ring frame mould under the action of compression roll 20-2.
Clamping device is abandoned clamping, and in the case where clamping auxiliary pressure roller 18-2 uses pneumatic mechanism, can choose cylinder
Exhaust is abandoned clamping to realize.
In the embodiment with broadening device, piddler process further includes prepreg with the transverse direction before piddler compacting step
Broaden step；
The prepreg bandwidth according to needed for different location, selecting prepreg band, laterally broadening mechanism works opportunity, to pre-
It soaks material strip and carries out lateral broadening；
Piddler method provided by the invention, 90 and ± 45 degree layings using automated tape-laying by the way of, pass through precut, transverse direction
It deforms, the paving of the technique of hot pressing piddler progress wide cut prepreg band (such as 150mm).
When work, turntable 1 moves in a circle, and each sub- piddler head of 0 degree of laying cooperates, and completes 0 degree of laying of Z-shaped ring frame
Laying.And the laying laying process of non-zero degree piddler head is as shown in Figure 9.
It is existing flat laminated when deformation occurs in a manner of Curvature varying, it may occur that preimpregnation in hot diaphragm forming technique
The Slip Deformation of material strip interlayer, fiber fold.Molding effect of the moulding process for such as Z-shaped ring frame component, at inner corner trim
It is undesirable.In addition, the moulding process is not appropriate for thick laminate, the molding deformation moulding process developed on the basis of hot diaphragm
The negative pressure of vacuum of hot diaphragm is converted to mechanical pressure, the deformation suitable for thick laminate.But this for Z-shaped ring frame have
For the component of hyperbolic feature, sectional dimension be variation, using the attached shape of plate-deformation-technique when, will necessarily cause more
The accumulation of remaining material and the fold of fiber.The automatic forming equipment of frame-shaped construction provided by the present application provides each pressing section
Independent piddler head preferably solves above-mentioned technical problem in conjunction with whole operating procedure.
So far, attached drawing is had been combined the present embodiment is described in detail.According to above description, those skilled in the art
There should be clear understanding to the application.
It should be noted that in attached drawing or specification text, the implementation for not being painted or describing is affiliated technology
Form known to a person of ordinary skill in the art, is not described in detail in field.In addition, the above-mentioned definition to each element and method is simultaneously
It is not limited only to various specific structures, shape or the mode mentioned in embodiment.
It should also be noted that, can provide the demonstration of the parameter comprising particular value herein, but these parameters are without definite etc.
In corresponding value, but analog value can be similar in acceptable error margin or design constraint.The side mentioned in embodiment
It is only the direction with reference to attached drawing to term, such as "upper", "lower", "front", "rear", "left", "right" etc., is not used to limit this
The protection scope of application.In addition, unless specifically described or the step of must sequentially occur, the sequences of above-mentioned steps there is no restriction in
It is listed above, and can change or rearrange according to required design.And above-described embodiment can be based on design and reliability
Consider, the collocation that is mixed with each other is used using or with other embodiments mix and match, i.e., the technical characteristic in different embodiments can be with
Freely form more embodiments.
Particular embodiments described above has carried out further in detail the purpose of the application, technical scheme and beneficial effects
Describe in detail it is bright, it is all it should be understood that be not intended to limit this application the foregoing is merely the specific embodiment of the application
Within spirit herein and principle, any modification, equivalent substitution, improvement and etc. done should be included in the guarantor of the application
Within the scope of shield.
Claims (12)
1. ring frame composite product piddler is equipped, which is characterized in that
Including fixed frame (7),
Be pivotally mounted to the fixed frame (7) turntable (1),
Several ring frame moulds (21) of the relatively fixed turntable (1),
The yarn spreading mechanism of relatively fixed rack (7) and
It is relatively fixed to the local pressure exerting arrangement (6) of fixed frame (7)；
Wherein, yarn spreading mechanism includes Direction of fibre distribution and ring frame extending direction 0 degree of piddler head (2) in the same direction and multiple fibers point
The cloth direction non-zero degree piddler head different from ring frame extending direction.
2. a kind of ring frame composite product piddler equipment according to claim 1, it is characterised in that；Non-zero degree piddler head
Including
Direction of fibre distribution and ring frame extending direction 90 degree of piddler heads (3) in vertical state,
Direction of fibre distribution and ring frame extending direction in 45 ° of angles 45 degree of piddler heads (4) and
Direction of fibre distribution and ring frame extending direction are in -45 degree piddler head (5) of -45 ° of angles.
3. the automatic fiber placement molding equipment of ring frame composite material according to claim 1, which is characterized in that the ring frame is multiple
Condensation material product is Z-shaped ring frame composite product,
0 degree of piddler head includes for the vertical face piddler head (2-1) of 0 degree of laying paving of vertical plane, for 0 degree of laying of horizontal plane
The horizontal face piddler head (2-2) of paving, the sub- piddler head (2-3) in the angular region R for the 0 degree of laying paving of R angular zone.
4. ring frame composite product piddler equipment according to claim 3, which is characterized in that
Vertical face piddler head (2-1) includes the slide unit (9) connecting with fixed frame (7) and two pressures that slide unit (9) are slidably matched
It roller connection frame (10-1), the upper vertical plane laying pressure roller (2-1-1) for one of being fixed on two pressure roller connection frames (10-1) and is fixed on
Another lower vertical plane laying pressure roller (2-1-2) of two pressure roller connection frames (10-1), upper vertical plane laying pressure roller (2-1-1) is under
Vertical plane laying pressure roller (2-1-2) corresponds two vertical planes for cooperating Z-shaped ring frame composite product.
5. ring frame composite product piddler equipment according to claim 3, which is characterized in that horizontal face piddler head
(2-2) includes
Horizontal plane laying piddler head mounting plate (7-2) with fixed frame (7) with connection,
Horizontal plane laying piddler head mounting plate (7-2) configuration level face piddler head pressure roller connection frame (10-2), and
Horizontal plane piddler head pressure roller connection frame (10-2) is equipped with the horizontal plane laying for cooperating the Z-shaped ring frame composite product
Piddler head pressure roller (2-2-1).
6. ring frame composite product piddler equipment according to claim 3, which is characterized in that
The sub- piddler head (2-3) in the angular region R includes external corner pressure roller (2-3-1), the R angular zone of the overt corner surface laying for R angular zone
The inner corner trim pressure roller (2-3-2) of corner laying,
Be installed on fixed frame 7 the angular region R laying piddler head mounting plate (7-3) and
It is configured at the angular region R laying piddler head mounting plate (7-3) and to install external corner pressure roller (2-3-1) and inner corner trim pressure roller (2-3-
2) two angular region R piddler head pressure roller connection frames (10-3).
7. ring frame composite product piddler according to claim 1 equipment, which is characterized in that non-zero degree piddler head includes
It is set to the piddler head mounting plate (7-4) of fixed frame (7), and
Piddler head rotation connection frame (10-4) of piddler head mounting plate (7-4) can be installed on by different piddler angles,
Piddler head rotation connection frame (10-4) be provided with prepreg band cylinder (11),
For withdraw release paper release paper Scroll (13),
For realizing to prepreg with clamping function clamping device,
For realizing the prepreg tape that will remove after release paper import clamping device guide groove (16),
Be configured between the guide groove (16) and the clamping device prepreg band cutter (17) and
For prepreg band to be compacted to the system for compacting on ring frame mould (21) surface.
8. ring frame composite product piddler equipment according to claim 7, which is characterized in that
Clamping device include guide post, the platform that is slidably installed (18-3) for being slidably mounted on guide post and provide be slidably installed platform (18-3) tool
There is the elastic device of upward movement tendency,
Be slidably installed the relatively-stationary clamping help roll (18-1) of platform (18-3) configuration rotary shaft position and rotary shaft position activity
The clamping of setting assists pressure roller (18-2),
Platform (18-3) configuration that is slidably installed is provided with the rail portion of the rotary shaft activity interval of clamping auxiliary pressure roller (18-2).
9. ring frame composite product piddler equipment according to claim 7, which is characterized in that
System for compacting includes the bottom briquetting (20-1) for being fixed bottom prepreg band, and
The compression roll (20-2) on ring frame mould (21) surface is compacted at for prepreg band.
10. ring frame composite product piddler equipment according to claim 7, which is characterized in that
Non-zero degree piddler head further includes that laterally broadening mechanism, lateral broadening mechanism include along prepreg tape motion direction arrangement
Multiple tracks bowed roller (19-1), and each arc-shaped deformation roller (19-1) of driving rotation arc roll driving apparatus (19-2), each arc
Shape roller (19-1) is arc to roller, and arc includes inner arc frame and the outer flexibility for being arranged inner arc frame to each arc list roller in roller
Roll surface configures multiple tracks bearing between inner arc frame and outer flexible roll surface, and multiple tracks bowed roller (19-1) is in prepreg tape motion direction
Upper radian is cumulative.
11. ring frame composite product piddler equipment according to claim 7, which is characterized in that
It further include being configured at the prepreg band cylinder (11) by measuring tall sensor (15) based on preimpregnation strip length,
It further include the drive with meter tall sensor (15), the driving mechanism of system for compacting, the driving mechanism of clamping device, turntable (1)
The processor (8) of the equal signal connection of the control mechanism of motivation structure, prepreg with cutter (17).
12. the working method of the described in any item ring frame composite product piddler equipments of claim 7-11, which is characterized in that
Including 0 degree of piddler process, non-zero degree piddler process and revolving table position set-up procedure；
Wherein, non-zero degree piddler process sequentially includes the steps that constituting circulation as follows:
Prepreg band sends on step；Prepreg band cylinder (11), release paper recovery cylinder (13) and meter tall sensor (15) cooperation are sent on
The prepreg band of length is set,
Prepreg band clamps cutting step；Prepreg end of tape is compacted at ring frame mould by the bottom briquetting (20-1) of system for compacting
(21) surface side, clamping auxiliary pressure roller (18-2) and clamping help roll (18-1), which are adjacent to, realizes clamping of the prepreg with top,
Prepreg completes the cutting of prepreg band with cutter (17),
Prepreg band piddler compacting step；Prepreg band piddler is compacted at ring frame mould (21) profile table by compression roll (20-2)
Face, bottom briquetting (20-1) leave ring frame mould (21) surface,
It repeats prepreg band and sends on step；
Revolving table position set-up procedure；The function that ring frame mould (21) circulate operation in multiple stations is provided, and/or execution is provided
The position of ring frame mould (21) is mobile when piddler process.
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| CN201910700127.7A CN110394997B (en) | 2019-07-31 | 2019-07-31 | Wire laying equipment for ring frame composite material workpiece and working method |
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| CN201910700127.7A CN110394997B (en) | 2019-07-31 | 2019-07-31 | Wire laying equipment for ring frame composite material workpiece and working method |
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| CN115674723A (en) * | 2022-10-27 | 2023-02-03 | 中国航空制造技术研究院 | Quick change device and fiber placement machine |
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