CN209409353U - A kind of carbon fiber prepreg acting device for carbon fiber automatic fiber placement machine - Google Patents
A kind of carbon fiber prepreg acting device for carbon fiber automatic fiber placement machine Download PDFInfo
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- CN209409353U CN209409353U CN201920131400.4U CN201920131400U CN209409353U CN 209409353 U CN209409353 U CN 209409353U CN 201920131400 U CN201920131400 U CN 201920131400U CN 209409353 U CN209409353 U CN 209409353U
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- chopping block
- carbon fiber
- block wheel
- cam
- placement machine
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Abstract
A kind of carbon fiber prepreg acting device for carbon fiber automatic fiber placement machine is related to carbon fiber automatic fiber placement machine technical field, specifically includes chopping block wheel assembly；Chopping block wheel assembly includes one group of chopping block wheel carrier, chopping block wheel carrier is arranged on automatic fiber placement machine, being arranged side by side on chopping block wheel carrier has several groups chopping block wheel, gas expansion shaft is provided with below chopping block wheel assembly, gas expansion shaft one end is connect with electric machine main shaft, gas expansion shaft both ends are arranged on automatic fiber placement machine by bearing block, several groups cam is provided on gas expansion shaft, carbon fiber prepreg yarn road passes through between cam and chopping block wheel, one group of carbon fiber prepreg cutter is additionally provided on cam, gas expansion shaft side is provided with one group of trigger cylinder component；Part is when utility model works almost without shock loading, therefore chip is less, and there is no the direct collisions of metal to metal to improve the service life of cutter and chopping block to reduce cutter material requirement.
Description
Technical field
The utility model relates to carbon fiber automatic fiber placement machine technical fields, more particularly to one kind to be used for carbon fiber automatic fiber placement
The carbon fiber prepreg acting device of machine.
Background technique
Automatic fiber placement technology is being widely applied in the late three decades and is developing, and it is automatic to have become composite molding
The Typical Representative of change technology.Relative to automated tape-laying technology, the better adaptability of automatic fiber placement technique, can be used for manufacturing has
Complex-curved composite material parts.The basic principle of automatic fiber placement machine is as follows: presoaking cutting narrowband with multifibres Shu Danxiang is original
Material, several preimpregnation tows under flexible compression roller boundling at a variable-width preimpregnation silk, by piddler head in certain temperature
Under the action of pressure, it is fitted in mandrel surface, completes the automation laying of composite element.Relative to automated tape-laying skill
Art, the better adaptability of automatic fiber placement technique, can be used for manufacturing has complex-curved composite material parts；
The Silk Road cutter of current automatic fiber placement machine is collided when completing chopping work with high speed and metal chopping block,
Therefore element (including the cutter and chopping block) service life is shorter, and has biggish requirement to the hardness of cutter.In addition, existing automatic paving
The cutter guide groove clearance of silk machine is small, is easy to happen chip accumulation, equipment frequent downtime is caused to clear up, it is raw to reduce equipment
Yield.
Summary of the invention
The utility model overcomes above-mentioned the deficiencies in the prior art, provides a kind of carbon for carbon fiber automatic fiber placement machine
Fiber prepreg material acting device.The utility model drives gas expansion shaft rotation, gas expansion shaft inflation by motor, and band moving cam turns
It is dynamic, in cam rotation process, when road passes through between cam and chopping block wheel, two groups of positioning grooves, institute are machined on the cam
It states and is additionally provided with one group of carbon fiber prepreg cutter on cam and turns to corresponding position, carbon fiber prepreg silk is cut off, this
Kind chopping mode is squeezed off closer to static pressure, and part is almost without shock loading, therefore chip is less, and metal pair is not present
The direct collision of metal improves the service life of cutter and chopping block to reduce cutter material requirement, reduces for cutter material
The requirement of material and heat treatment, to reduce equipment cost.In addition, do not have to be easy the close gap of accumulation chip in the mechanism,
To solve the problems, such as chip cleaning, equipment dependability is provided.
The technical solution of the utility model includes:
A kind of carbon fiber prepreg acting device for carbon fiber automatic fiber placement machine, including chopping block wheel assembly；The anvil
Web wheel component includes one group of chopping block wheel carrier, and the chopping block wheel carrier is arranged on automatic fiber placement machine, sets side by side on the chopping block wheel carrier
It is equipped with several groups chopping block wheel, is provided with gas expansion shaft below the chopping block wheel assembly, described gas expansion shaft one end is connect with electric machine main shaft,
The gas expansion shaft both ends are arranged on automatic fiber placement machine by bearing block, and several groups cam, carbon fiber are provided on the gas expansion shaft
Dimension prepreg yarn road passes through between cam and chopping block wheel, and two groups of positioning grooves are machined on the cam, are gone back on the cam
It is provided with one group of carbon fiber prepreg cutter, the gas expansion shaft side is provided with one group of trigger cylinder component, the trigger cylinder
Component includes one group of cylinder frame, and several groups trigger cylinder, the movable end setting of the trigger cylinder are provided on the cylinder frame
There is one group of positioning protrusion, the positioning protrusion is matched with the positioning groove on the cam.
Further, the chopping block wheel is pre-tightened by holddown spring.
Further, the quantity of the cam is identical as the chopping block wheel quantity and position is corresponding up and down.
Further, the quantity of the trigger cylinder is identical as the cam quantity and position or so is corresponding.
The utility model has the advantages that compared with the existing technology
The utility model be not present be easy to cause chip to accumulate cross small―gap suture and sliding slot, therefore be not required to periodically shut down clear
Reason, productivity are higher；
The energy of the utility model chopping derives from the elastic potential energy of holddown spring, and cylinder only plays the role of trigger and do not mention
For chopping energy, therefore there is no the requirement of moment gas flow for cylinder, this means that direct acting can be used in trigger cylinder
Valve, the direct-acting valve response time is short, and flow is small；And gas expansion shaft can be inflated in advance before cam moves, while trigger cylinder row
Journey is extremely short, therefore the response time of entire gas circuit is substantially cut down；5ms or so can be reduced to from 15ms or more；
During automatic placement, velocity perturbation will inevitably occur for end effector, and every generation 100mm/s
Velocity perturbation the laying error of 0.1mm all generated for the Pneumatic time-delay of every 1ms, and the error that laid course is maximum allowable
Only 1mm, therefore the rapidity of mechanism improves laying precision, greatly reduces the requirement for accuracy compensation；
The utility model by yarn cutting in original automatic fiber placement machine head, send yarn and only three kinds of functions of yarn have been integrated into same machine
On structure, to keep control conciser
The utility model chopping effect is unrelated with the tension of silk, while the mechanism size is smaller, to reduce piddler head
Size, this feature improve its Technological adaptability and device reachability simultaneously, make it particularly suited for the paving of Surface with negative Gauss Curvature
It puts.
Detailed description of the invention
Fig. 1 is the whole axonometric drawing of the utility model；
Fig. 2 is the whole explosive view of the utility model；
Fig. 3 is the free state structural schematic diagram of the carbon fiber prepreg the Silk Road of the utility model；
Fig. 4 is the yarn cutting status architecture schematic diagram of the carbon fiber prepreg the Silk Road of the utility model；
Fig. 5 is the only yarn status architecture schematic diagram of the carbon fiber prepreg the Silk Road of the utility model；
Fig. 6 is the whole axonometric drawing of the cam of the utility model.
1- chopping block wheel assembly in figure；2- gas expansion shaft；3- cam；4- trigger cylinder component；11- chopping block wheel carrier；12- chopping block
Wheel；13- holddown spring；31- positioning groove；32- carbon fiber prepreg cutter；41- cylinder frame；42- trigger cylinder.
Specific embodiment
The utility model is described in detail below with reference to attached drawing.
Show in conjunction with Fig. 1-Fig. 6, a kind of carbon fiber prepreg work for carbon fiber automatic fiber placement machine disclosed in the present embodiment
Dynamic device, including chopping block wheel assembly 1；The chopping block wheel assembly 1 includes one group of chopping block wheel carrier 11, and the setting of chopping block wheel carrier 11 exists
On automatic fiber placement machine, being arranged side by side on the chopping block wheel carrier 11 has several groups chopping block wheel 12, is arranged below the chopping block wheel assembly 1
There is gas expansion shaft 2,2 both ends of gas expansion shaft are arranged on automatic fiber placement machine by bearing block, are provided on the gas expansion shaft 2 several
Group cam 3, carbon fiber prepreg yarn road pass through between cam 3 and chopping block wheel 12, and it is recessed that two groups of positioning are machined on the cam 3
Slot 31 is additionally provided with one group of carbon fiber prepreg cutter 32 on the cam 3, and 2 side of gas expansion shaft is provided with one group of trigger
Cylinder assembly 4, the trigger cylinder component 4 include one group of cylinder frame 41, are provided with several groups trigger gas on the cylinder frame 41
Cylinder 42, the movable end of the trigger cylinder 42 are provided with one group of positioning protrusion 43, the positioning protrusion 43 on the cam 3
Positioning groove 31 matches.
Specifically, the chopping block wheel 12 is pre-tightened by holddown spring 13.
Specifically, the quantity of the cam 3 is identical as 12 quantity of chopping block wheel and position is corresponding up and down.
Specifically, the quantity of the trigger cylinder 42 is identical as 3 quantity of cam and position or so is corresponding.
The course of work of the utility model:
Rotation is driven by motor in the gas expansion shaft 2；On gas expansion shaft 2, with each yarn in carbon fiber prepreg yarn road
The corresponding arrangement townhouse cam 3 in position；Arrange that a corresponding chopping block wheel, chopping block wheel compress in the top of each cam 3
Spring pre-tightening, prepreg yarn road pass through between cam 3 and chopping block wheel；When gas expansion shaft inflation, cam 3 will be acted in frictional force
Under rotated with gas expansion shaft；Carbon fiber prepreg cutter 32 is arranged by design 3 profile of cam and on cam, is rotated in cam 3
During one week, the spacing between chopping block wheel changes；With distance variation prepreg can in clamp, freely or
Cut-off state；Trigger cylinder 42 is arranged in 3 side of cam, when trigger cylinder 42 pushes positioning protrusion 43 to be caught on cam 3
Groove when, cam 3 is at stationary state, and gas expansion shaft 2 is non-aerating to avoid excessive friction at this time；It is inflated when in gas expansion shaft 2
In the case where make 42 retraction of trigger cylinder, cam 3 will start to rotate with 2 locking of gas expansion shaft and with gas expansion shaft 2, when cam 3
On positioning groove 31 when being re-moved at trigger cylinder 42, trigger cylinder 42 will push again positioning protrusion 43 to be caught in cam
Make its static in 3；Moving in circles for this state is controlled using the teamwork of cylinder and gas expansion shaft, thus complete to stop yarn,
Send the movement of yarn and yarn cutting.
The connection that the utility model is previously mentioned, which is divided into, to be fixedly connected and dismantling connection, it is described be fixedly connected it is (as non-disconnectable
Unload connection) to include but is not limited to that flanging connection, rivet interlacement, bonding connection and welded connecting etc. are conventional be fixedly connected with mode, institute
State be detachably connected including but not limited to be threadedly coupled, snap connection, pin connection such as connect at the routine disassembly mode with hinge, not
When clearly limiting specific connection type, at least one connection type can be found in existing connection type by, which being defaulted as, be can be realized
The function, those skilled in the art can voluntarily select as needed.Such as: it is fixedly connected with selection and is welded to connect, be detachably connected
Select hinge connection.
Above embodiments are exemplary description of this patent, do not limit its protection scope, those skilled in the art
Member can also be changed its part, as long as it does not exceed the essence of this patent, within the protection scope of the present patent.
Claims (4)
1. a kind of carbon fiber prepreg acting device for carbon fiber automatic fiber placement machine, it is characterised in that: including chopping block wheel group
Part (1)；The chopping block wheel assembly (1) includes one group of chopping block wheel carrier (11), and the chopping block wheel carrier (11) is arranged in automatic fiber placement machine
On, being arranged side by side on the chopping block wheel carrier (11) has several groups chopping block wheel (12), is provided with gas below the chopping block wheel assembly (1)
Rise axis (2), gas expansion shaft (2) both ends by bearing block be arranged on automatic fiber placement machine, the gas expansion shaft (2) if on be provided with
Dry group cam (3), carbon fiber prepreg yarn road passes through between cam (3) and chopping block wheel (12), is machined on the cam (3)
Two groups of positioning grooves (31) are additionally provided with one group of carbon fiber prepreg cutter (32), the gas expansion shaft (2) on the cam (3)
Side is provided with one group of trigger cylinder component (4), and the trigger cylinder component (4) includes one group of cylinder frame (41), the cylinder
It is provided on frame (41) several groups trigger cylinder (42), the movable end of the trigger cylinder (42) is provided with one group of positioning protrusion
(43), the positioning protrusion (43) matches with the positioning groove (31) on the cam (3).
2. a kind of carbon fiber prepreg acting device for carbon fiber automatic fiber placement machine according to claim 1, special
Sign is that the chopping block wheel (12) is pre-tightened by holddown spring (13).
3. a kind of carbon fiber prepreg acting device for carbon fiber automatic fiber placement machine according to claim 1, special
Sign is that the quantity of the cam (3) is identical as chopping block wheel (12) quantity and position is corresponding up and down.
4. a kind of carbon fiber prepreg acting device for carbon fiber automatic fiber placement machine according to claim 1, special
Sign is that the quantity of the trigger cylinder (42) is identical as the cam (3) quantity and position or so is corresponding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920131400.4U CN209409353U (en) | 2019-01-25 | 2019-01-25 | A kind of carbon fiber prepreg acting device for carbon fiber automatic fiber placement machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920131400.4U CN209409353U (en) | 2019-01-25 | 2019-01-25 | A kind of carbon fiber prepreg acting device for carbon fiber automatic fiber placement machine |
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| CN209409353U true CN209409353U (en) | 2019-09-20 |
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| CN201920131400.4U Active CN209409353U (en) | 2019-01-25 | 2019-01-25 | A kind of carbon fiber prepreg acting device for carbon fiber automatic fiber placement machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109849373A (en) * | 2019-01-25 | 2019-06-07 | 肖睿 | A kind of carbon fiber prepreg acting device for carbon fiber automatic fiber placement machine |
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2019
- 2019-01-25 CN CN201920131400.4U patent/CN209409353U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109849373A (en) * | 2019-01-25 | 2019-06-07 | 肖睿 | A kind of carbon fiber prepreg acting device for carbon fiber automatic fiber placement machine |
| CN109849373B (en) * | 2019-01-25 | 2023-12-22 | 肖睿 | Carbon fiber prepreg actuating device for automatic carbon fiber laying machine |
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