CN209454171U - A kind of carbon fiber answers material varied angle electrical loss self-heating in-situ solidifying device - Google Patents

Abstract

A kind of carbon fiber answers material varied angle electrical loss self-heating in-situ solidifying device, it is characterized in that varied angle swing mechanism lower end connects and carries print head, the interior setting of print head unreels and winding wheel, the multipair self-lubricating contact heating electrode roller of stepped distribution is arranged in the lower end of the unreeling wheel, it is equipped with the principal voltage roller and varied angle secondary voltage roller with plate contact in print head end, it is each to be provided with temperature and tension sensor between electric roller and voltage roller.The utility model realizes the second grade printing shaping of conventional thermosetting multiple material for the first time, and the molding that can answer material component for labyrinth thermosetting property provides technical solution, greatly improves the quality and shaping efficiency of 3D printing same with thermosetting compound material.

Description

A kind of carbon fiber answers material varied angle electrical loss self-heating in-situ solidifying device

Technical field

The utility model relates to a kind of carbon fibers to answer material forming technique, and especially a kind of carbon fiber answers material 3D printing forming skill Art, specifically a kind of carbon fiber answer material varied angle electrical loss self-heating in-situ solidifying device.

Background technique

The usage amount of advanced same with thermosetting compound material has become the key index for measuring aircraft advance, but China flies The multiple material dosage of row device also far lags behind existing external advanced aircraft.Limit the important technical bottleneck of multiple material dosage first is that multiple Material manufacturing technology, existing multiple material manufacture use " laying-solidification-processing " three step autofrettages.This method manufacturing process is complicated, efficiency Low, the period is long, and energy consumption is high.

Currently, in view of the above-mentioned problems, existing unit and mechanism propose thermoplastic composite 3D printing device and method, However current thermoplastic composite is also difficult to reach the interlayer and boundary strength of conventional thermosetting polymer matrix composites.Needle For thermosetting resin based composites, certain soaking time is needed since resin crosslinks to react, and 3D printing technique Composite material must be made to realize complete molding within extremely short grade time second, therefore current thermosetting property answers the 3D printing of material also It is difficult to realize in complete meaning.For example, utility model patent CN106739006A, CN107738441A disclose a kind of thermosetting property Composite material 3D printer and its Method of printing actually disclose a kind of method of automatic fiber placement+oven post-cure, are not implemented The second grade molding of material；In another example utility model patent CN108381908A discloses a kind of same with thermosetting compound material 3D printing Process, the 3D printing method of actually a kind of photosensitive resin based composites by ultraviolet light irradiation；In another example real A kind of thermosetting resin based composites 3D printing device is disclosed with new patent CN201721206902.6, utilizes low energy electricity Beamlet hardening with radiation composite material, achieves quick crosslinking curing molding, which solves the problems, such as that this has potential technology Advantage, but due to equipment investment valuableness, Radiation Exposure is cumbersome, it is difficult to large-scale promotion；Currently, there are also part reports to pass through The heated at high speed of partial points is realized using the methods of laser, electron beam, infrared radiation, heat gun, but this kind of high energy beam is concentrated and added Heat is difficult to realize the long-time heat preservation of continuous running materials, therefore traditional high-performance thermosetting polymer matrix composites were difficult in the second It realizes and is fully cured in the grade time.So up to now, having also failed to any method can use high-performance thermosetting resin base Multiple material realizes 3D printing.

Applicant team protects a kind of side for solidifying composite material using carbon fiber itself synthesis electrical loss fever early period Method (publication number CN201710975475.6), this method is for the solidification after the completion of large-scale composite material laminate laying forming Process, may be implemented high quality, high efficiency, low energy consumption solidification.If however the above-mentioned method applied to laminate is directly answered For in same with thermosetting compound material 3D printing forming process, although quick temperature-rise period may be implemented, since resin is anti- It answers or is crosslinked and need a period of time, therefore can not realize in-situ solidifying within grade time second.Therefore the utility model proposes a kind of carbon Fiber answers material varied angle electrical loss self-heating 3D printing devices and methods therefor, to realize high-performance thermosetting polymer matrix composites 3D printing.

Utility model content

The purpose of this utility model is that shaping speed is slow when answering material 3D printing for existing carbon fiber, cannot achieve second grade The problem of in-situ solidifying, a kind of carbon fiber of utility model answer material varied angle electrical loss self-heating in-situ solidifying device, it utilizes carbon The conductive characteristic of fiber itself is inputted by the contact electric energy of multilevel voltage roller so that carbon fiber answer material can be complete in print head It is heated at the segmentation non-isothermal of multistage dynamic transmission fiber, finally feeding realizes that thermosetting property carbon fiber answers the 3D printing of material, energy again It realizes and stablizes, reliably by carbon fiber prepreg Multi-stage heating, it is made to realize second grade solidification after heating electrode, roller, To complete the 3D printing process that carbon fiber answers material.

The technical solution of the utility model is:

A kind of carbon fiber answers material varied angle electrical loss self-heating in-situ solidifying device, including print head, it is characterised in that institute The print head stated is mounted on the lower part of varied angle swing mechanism 1, which is connected to the branch of movement executing mechanism It supports end and is to swing axis with the vertical line of principal voltage roller 12 and plate contact point；The print head includes that carbon fiber answers material silk Shu Fangjuan 2, winder roller 3, receipts lining paper roller 7, directive wheel 8, multistage self-lubricating conduction roller 9, tension controller 10, fiber are cut Disconnected device 11, principal voltage roller 12, secondary voltage roller 6 and temperature sensor 5, multistage self-lubricating conduction roller (9) are arranged in carbon fiber Multiple material tow unreels 2 lower part, winder roller 3 and receives lining paper roller 7 and splits in 8 two side of directive wheel, and directive wheel 8 is close to carbon fiber Multiple material tow unreels 2 arrangements, and the mandrel of self-lubricating conduction roller 9 and principal voltage roller 12 is fixed in printhead body, and main electricity Pressure roller 12 is located at the lowest part of printhead body and is in contact with panel, and secondary voltage roller 6 is mounted on the exit side of principal voltage roller 12 Compaction force is provided for multiple material interlayer；Tension controller 10 be mounted on be easy to happen in material transmit process the turning point loosened or In the two support farther away sections of roller spacing, contactless temperature sensor 5 is mounted in printhead body to by conductive The material surface temperature of roller 9, secondary voltage roller 6 and principal voltage roller 12 carries out real-time monitoring and feeds back to voltage controller, controls Carbon fiber answers the spontaneous heating temperature of material between each section of electric roller；Fiber cutting apparatus 11 is mounted on principal voltage roller 12 and secondary voltage roller 6 Between answer material for the thermosetting property carbon fiber of the printing shaping to second grade in-situ solidifying and cut off.

The varied angle swing mechanism 1 is by the way of electric-machine directly-driven, and the angle of rotation is according to phase in print track The angle of adjacent both ends interpolation straight line, and continuous and stable rotates when variable angle occurs in interpolation straight line, the principal voltage Roller and plate contact point are in the central point of varied angle rotation, secondary voltage roller moment in varied angle rotary course always Be in contact with the composite material section printed and utilize spring 4 provide compaction effort, with carbon fiber answer material do not occur slide rub It wipes.

The carbon fiber answer material tow unreel 2 mainly in have lining paper and isolation film material prepreg, Winder roller 3, receipts lining paper roller 7 are arranged at an angle, guarantee that fiber without hindrance can enter with diaphragm and lining paper removing In the conductive roller 9 of stepped arrangement, winder roller 3 and receipts lining paper roller 7 are connected with motor, and motor drives winder roller 3 With receive lining paper roller 7, and then drive carbon fiber to answer material tow and unreel 2 and persistently rotate and unreel.

The conductive roller 9 is self-lubricating contact heating electricity roller, it using the good conductor copper sleeve of electricity as main body, It is provided with several uniformly distributed contact holes in the main body, is inlaid with graphite block in hole, the barrel contacts are in metal support mandrel, mandrel It is fixed in the bearing hole in printhead body, is connected on the outside of metal core axle and pulls out formula transmission cable fastly, cable is metal core axle Electric current is passed to, forms electric pathway after continuous fiber and barrel contacts, the volume resistance of the segment of fiber on each electric pathway is greater than certainly Lubricating contact formula heats the summation of the contact resistance of electric roller.

The temperature sensor 5 is non-contact temperature sensor: multiple groups non-contact temperature sensor constitutes temperature prison Survey feedback device, temperature sensor 5 is arranged in the multistage heating area of formation temperature gradient, temperature sensor 5 with it is band-like Prepreg is not in contact, and every group of two sensors are respectively placed in prepreg two sides, the two in tow sides thermometric simultaneously, and Temperature controller is fed back to, for temperature controller by real time temperature compared with target temperature, the adaptive temperature signal of generation is sent to different electricity Pressure controller, voltage controllers at different levels increase or reduce the input voltage in each pair of electrode, and it is flat that whole device is constantly in dynamic The state of weighing apparatus.

Carbon fiber prepreg is discharged in a manner of pulling under tension controller effect, and tension controller is located at band-like prepreg It being easy to happen in the turning point loosened and the two support farther away sections of roller, controller main composition part is tensioning wheel, Bearing up pulley can be moved forward and backward in one direction.

The fiber cutting apparatus is arranged between principal voltage roller and secondary voltage roller, and ultrasonic knife chip cutting method can be used Fiber is cut, cutting process does not influence normal print process.

The winder roller 3 and lining paper roller 7 one of all can be installed or be fitted into.

The beneficial effects of the utility model are:

The utility model realizes the second grade printing shaping of conventional thermosetting multiple material for the first time, can be multiple for labyrinth thermosetting property The molding of material component provides technical solution, greatly improves the quality and shaping efficiency of 3D printing same with thermosetting compound material.

Detailed description of the invention

Fig. 1 is that a kind of carbon fiber answers material varied angle electrical loss self-heating in-situ solidifying principle of device schematic diagram.

Fig. 2 is copper-graphite self-lubricating contact heating electrode schematic diagram.

Fig. 3 is a kind of multiple material varied angle electrical loss self-heating 3D printing device shape assumption diagram of specific implementation.

In figure: 1, swing mechanism；2, unwinding device；3, winder roller；4, spring；5, non-contact temperature sensor；6, Secondary voltage roller；7, lining paper roller is received；8, guide roller；9, multistage self-lubricating conduction roller；10, tension modulator；11 cutting dresses It sets；12, principal voltage roller；13, graphite self-lubricating roller；14, self-lubricating roller mandrel；15, cable is pulled out fastly.

Specific embodiment

Below in conjunction with drawings and examples, the utility model is described in further detail.Following embodiments are only used for Certain implementation special cases of bright the utility model, the protection scope being not intended to limit the utility model.In addition, the utility model is public After opening, those skilled in the art answer the original of material varied angle electrical loss self-heating 3D printing device based on carbon fiber in the utility model Reason makes any modification or variation, belongs to the range of protection defined in the claim of this application book.

As shown in Figs. 1-2.

A kind of carbon fiber answers material varied angle electrical loss self-heating in-situ solidifying device, including print head, the print head Be mounted on the lower part of varied angle swing mechanism 1, the varied angle swing mechanism 1 be connected to the support tip of movement executing mechanism and with The vertical line of principal voltage roller 12 and plate contact point is to swing axis；The print head includes that carbon fiber answers material tow and unreels 2, receives Deflector roll wheel 3, receive lining paper roller 7, directive wheel 8, multistage self-lubricating conduction roller 9, tension controller 10, fiber cutting apparatus 11, Principal voltage roller 12, secondary voltage roller 6 and temperature sensor 5, the winder roller 3 and lining paper roller 7 all can be installed or be installed One of them.Multistage self-lubricating conduction roller 9 is arranged in carbon fiber and answers the lower part that material tow unreels 2, winder roller 3 and receipts lining paper Roller 7 is split in 8 two side of directive wheel, and directive wheel 8 answers material tow close to carbon fiber and unreels 2 arrangements, self-lubricating conduction roller 9 and master The mandrel of voltage roller 12 is fixed in printhead body, and principal voltage roller 12 be located at printhead body lowest part and with panel phase Contact, secondary voltage roller 6 are mounted on the exit side of principal voltage roller 12 and provide compaction force for multiple material interlayer；Tension controller 10 is mounted on It is easy to happen in material transmit process in the turning point loosened or the two support farther away sections of roller spacing, contactless temperature Degree sensor 5 is mounted in printhead body to the material surface temperature by conductive roller 9, secondary voltage roller 6 and principal voltage roller 12 Degree carries out real-time monitoring and feeds back to voltage controller, and carbon fiber answers the spontaneous heating temperature of material between each section of control electric roller；Fiber Disconnecting device 11 is mounted on the thermosetting property between principal voltage roller 12 and secondary voltage roller 6 for the printing shaping to second grade in-situ solidifying Carbon fiber is answered material and is cut off.As shown in Figure 1, the varied angle swing mechanism 1 by the way of electric-machine directly-driven, rotates Angle of the angle according to adjacent both ends interpolation straight line in print track, and continuously put down when variable angle occurs in interpolation straight line Steady rotation, the principal voltage roller and plate contact point are in the central point of varied angle rotation always, and the secondary voltage roller exists The moment is in contact with the composite material section printed and spring 4 is utilized to provide compaction effort in varied angle rotary course, with carbon Fiber answers material and sliding friction does not occur.The carbon fiber answers material tow and unreels 2 mainly in lining paper and isolation film Material prepreg, winder roller 3, receipts lining paper roller 7 are arranged at an angle, guarantee that fiber can without hindrance and diaphragm And lining paper removing enters in the conductive roller 9 of stepped arrangement, winder roller 3 and receipts lining paper roller 7 are connected with motor, motor It drives winder roller 3 and receives lining paper roller 7, and then drive carbon fiber to answer material tow and unreel 2 and persistently rotate and unreel.Described leads Electric roller 9 is self-lubricating contact heating electricity roller, it is using the good conductor copper sleeve of electricity as main body, if being provided in the main body It is dry to be evenly distributed with contact hole, it is inlaid with graphite block in hole, the barrel contacts are fixed on printhead body in metal support mandrel, mandrel On bearing hole in, pull out formula transmission cable fastly as shown in Fig. 2, being connected on the outside of metal core axle, cable be metal core axle pass to electricity Electric pathway is formed after stream, continuous fiber and barrel contacts, the volume resistance of the segment of fiber on each electric pathway connects greater than self-lubricating The summation of the contact resistance of electric roller is heated in touch.The temperature sensor 5 is non-contact temperature sensor: multiple groups are non-contact Formula temperature sensor constitutes temperature monitoring feedback device, and temperature sensor 5 is arranged in the multistage heating of formation temperature gradient In area, temperature sensor 5 is not in contact with band-like prepreg, and every group of two sensors are respectively placed in prepreg two sides, the two In tow sides thermometric simultaneously, and feed back to temperature controller, temperature controller by real time temperature compared with target temperature, generation it is adaptive Temperature signal is answered to be sent to different voltage controllers, voltage controllers at different levels increase or reduce the input voltage in each pair of electrode, Whole device is constantly in the state of dynamic equilibrium.Carbon fiber prepreg is discharged in a manner of pulling under tension controller effect, Tension controller is located at band-like prepreg and is easy to happen in the turning point loosened and the two support farther away sections of roller, controller Main composition part is tensioning wheel, and tensioning wheel can be moved forward and backward in one direction.The fiber cutting apparatus is arranged in master Between voltage roller and secondary voltage roller, can be used ultrasonic knife chip cutting method cut fiber, cutting process do not influence normal print into Journey.First band should be pulled out from let off roll 2 when use around main piezoelectricity roller 12 and secondary 6 lower part of piezoelectricity roller is pressed in after breast wheel.

Details are as follows:

As shown in Figure 1, the utility model is using print head-plate contact point, varied angle is arranged as axis in axis vertically upward Swing mechanism 1, the mechanism are connected between movement executing mechanism and electrical loss self-heating 3D printing module, setting in the module Carbon fiber answers material tow and unreels 2, winder roller 3, receives lining paper roller 7, and after carbon fiber answers material removal film, sequentially entering is in ladder The multipair self-lubricating contact heating electricity roller 9 of shape distribution, multipair electricity roller realize layer-by-layer, stepped heating, each electricity roller mandrel Be fixed on the wall surface of the module, be easy to happen in material transmit process the turning point loosened or two support roller spacing compared with Tension controller 10 is installed in remote section, is equipped with the principal voltage roller 12 and varied angle pair with plate contact in print head end Voltage roller 6, the pair pressure roller can planar do varied angle up and down in axis, contact with multiple material always, for multiple material interlayer Compaction force is provided, each electricity roller is that the different location carbon fiber being in contact with it answers the multipair controllable voltage of material input, and temperature monitoring is anti- Feedback device real-time monitoring prepreg temperature simultaneously feeds back to voltage controller, and carbon fiber answers the spontaneous heating of material between each section of control electric roller Temperature, it is final to realize that carbon fiber answers second grade curing molding of material during 3D printing, fibre cutting is equipped between the electricity roller Device 11 does cutoff process when the printing of big angle commutates with multilayer printing.

Example 1.

A kind of carbon fiber answers material varied angle electrical loss self-heating in-situ solidifying device, as shown in Figure 1, the device includes Swing mechanism 1, isolation film wrap-up 3, heats electric roller 9, principal voltage roller 12, secondary voltage roller 6 and lining paper at unwinding device 2 Wrap-up 7, the carbon fiber are answered material prepreg and are crimped on unwinding device 2, made not by the movement of entire printing equipment Print multiple material persistently to pull out with multiple material has been printed, be printed on the table by predetermined shape, meanwhile, isolation film wrap-up 3 with And lining paper wrap-up 7 in the same direction answer material segmentation to carbon fiber and add by the asynchronous material of matching collected after multiple material strips, the electric roller 9 of heating Heat.

As shown in Fig. 2, 13 main body of copper-graphite self-lubricating contact heating electricity roller is the good conductor copper sheathing of electricity Tin, it is provided with several uniformly distributed contact holes in main body, graphite block is embedded in hole, sleeve is directly contacted with metal support mandrel 14, The two produces relative sliding, and graphite and copper play electric action, and wherein graphite plays lubricating action again, and the electric current of voltage roller comes Mandrel on the bearing hole for being fixed on 3D printing module siding is connected on the outside of metal core axle and pulls out formula transmission cable 15 fastly, It is passed through electric current on cable, forms electric pathway, the volume electricity of the segment of fiber on each electric pathway after continuous fiber and barrel contacts Resistance, greater than the summation of the contact resistance of self-lubricating contact heating electricity roller, so as to by generated joule energy maximum limit Degree gathers in each segment of fiber, realizes that " second grade " reaches solidification temperature needed for carbon fiber answers material.

By the way of electric-machine directly-driven, the angle of rotation takes adjacent two in print track the varied angle swing mechanism The angle of interpolation straight line is held, and continuous and stable rotates when variable angle occurs in interpolation straight line, realizes that tape-shaped carbon fiber is multiple Material surface does not generate fold, the internal smooth transition for not generating additional stress, during the principal voltage roller and plate contact point be Heart point, the secondary voltage roller rotate about during varied angle, and the moment is in contact with the composite material section printed and mentions For compaction effort, material is answered with carbon fiber, sliding friction does not occur.

The carbon fiber answers material tow and unreels winder roller mainly in the composite material for having lining paper and isolation film Prepreg, lining paper winding roller and film take-up roller arrange at an angle, guarantee fiber can it is without hindrance with diaphragm and Lining paper removing, continual to enter in ladder-like electric roller, lining paper winding rolling axle is driven by stepper motor, and motor drives lining Paper winds roller rotation, and the lasting rotation that driving fiber answers material raw material collection roller unreels.

The main body of the self-lubricating contact heating electricity roller is the good conductor copper sleeve of electricity, is provided in main body several equal Cloth contact hole, graphite block is embedded in hole, and sleeve is contacted with metal support mandrel, and mandrel is fixed on the 3D printing module wall It is connected on the bearing hole of plate, on the outside of metal core axle and pulls out formula transmission cable fastly, electric current, continuous fiber and sleeve are passed through on cable Electric pathway, the volume resistance of the segment of fiber on each electric pathway, greater than self-lubricating contact heating electricity roller are formed after contact The summation of contact resistance, so as to which generated joule can be gathered to greatest extent in each segment of fiber.

Temperature monitoring feedback device is made of multiple groups non-contact temperature sensor, is arranged in formation temperature gradient In multistage heating area, sensor is not in contact with band-like prepreg, and every group is made of two sensors, in the feeding process, The two feeds back to temperature controller in prepreg tow sides while thermometric, and temperature controller compared with target temperature, gives birth to real time temperature At adaptive temperature signal be sent to different voltage controllers, voltage controllers at different levels increase or reduce defeated in each pair of electrode Enter voltage, whole device is made to be constantly in the state of dynamic equilibrium, is i.e. heating temperature is answered in carbon fiber always warm needed for material solidification Small range is floated about degree.

The carbon fiber prepreg is discharged in a manner of pulling under tension controller effect, i.e., tension controller is located at band-like Prepreg is easy to happen in the turning point loosened and the two support farther away sections of roller, and controller main composition part is tensioning Wheel, tensioning wheel can be moved forward and backward in one direction, and when prepreg somewhere is got loose, tensioning wheel can be to loosening opposite direction It is mobile, to keep the tensioning state of prepreg.

The fiber cutting apparatus is arranged between principal voltage roller and secondary voltage roller, and ultrasonic knife chip cutting method can be used Fiber is cut, cutting process does not influence normal print process.The carbon fiber answer material prepreg be it is band-like by carbon fiber yarn, The materials such as epoxy resin, release paper by film, hot pressing, cooling, overlay film, the composite material that techniques are process, the band such as batch Wide 1mm-20mm, thickness 0.1mm.

Example 2.

A kind of carbon fiber answers material varied angle electrical loss self-heating 3D printing method, and the method is the specifically used dress The step of setting,

Step 1: laying prepares and preliminary feeding: organic solvent cleaning printing panel surface uniformly coats release agent, guarantees It insulate between material strip and printing panel, material strip end is first fed into 3D printing module, carbon fiber is loaded on unwinding device 2 and answers material Prepreg, carbon fiber, which answers material prepreg, should penetrate 3D printing device before starting printing.

Step 2: tensioning material strip and setting temperature program: according to the mobile tensioning wheel of the elastic situation of band, guaranteeing that material strip is in Tensioning state；According to used material system, temperature control curve between electric rollers at different levels is set, the position of feedback device is detected It sets, it is ensured that accurate acquisition material strip temperature of each section.

Step 3: examining each electric pathway on-off signal: the cable that pulls out fastly that every group of electrode is drawn is respectively connected to multi-input direct current Power supply, temperature controller at different levels, current controller draw the signal output end that cable is respectively connected to computer, are passed through stimulus, Guarantee normally to be connected between electric rollers at different levels.

Step 4: the printing generation for obtaining carbon fibre composite setting print track: is sliced by 3D printing geometrical model Code generates the final print code with varied angle printing and adaptive temperature control by postpositive disposal, utilizes data transmission media It imports in printing equipment, carries out print routine preparation.

Step 5: applying pressure and start to print: moved using printing equipment Z-direction to apply pressure, starting printing dress to material strip It sets, the prepreg being crimped on unwinding device 2 peels off upper surface isolation film by isolation film wrap-up 3 first, is then passed through and adds Thermoelectricity roller 9, exposed carbon fiber answer material and are in contact with electric roller；Heating voltage roller 13 is led to respectively by the external formula cable 15 that pulls out fastly Enter electric current, size of current is respectively 0.5A and 1A, and after primary heating, carbon fiber answers material prepreg contact principal voltage roller 12, here, finally, prepreg that is cured and attaching on the table is compacted by secondary voltage roller 6, pressure size is 0.6MPa, swing mechanism 1 can drive print module to do the curvilinear motion of smooth steady, to meet the precision of final finished and outer It sees and requires.

Step 6: demoulding and finishing: after demoulding, cutting finishing being carried out to it according to the profile of designed component, is obtained final Carbon-fiber Reinforced Plastics Component.

Example 3.

As shown in figure 3, the present embodiment is a kind of specific varied angle electrical loss self-heating 3D printing device, the laying pressure Roller mechanism includes secondary pressure roller 16, main pressure roller 17, pressure roller rocker arm 18 and spring 19, and described device housing bottom is provided with through-hole, described Through-hole is internally provided with main pressure roller 17, and a pressure roller rocker arm 18, the pressure roller rocker arm is respectively arranged in the outer two sides of described device housing chamber 18 one end connecting springs 19, the pressure roller rocker arm 18 are provided with secondary pressure roller 16 far from spring one end.The carbon fiber composite Expect 3D printing head, it is characterised in that: the electrode roller set includes heating electrode roll unit, the heating electrode roll unit Including graphite copper sheathing 20 and threaded mandrel 1, described device shell backboard is provided with threaded hole, the internal whorl of the threaded hole It is provided with threaded mandrel 1, optical axis of the mandrel on the inside of device housing is rotatablely installed the graphite copper sheathing 20, described to add The quantity of thermode roller units is at least 5.The overlay film lining paper guide roller group includes guiding roller unit, and the rod guiding is single Member includes nylon roller 22, and threaded mandrel 5 23, corresponding position is provided with threaded hole, the threaded hole on described device shell backboard Internal screw thread is provided with threaded mandrel 5 23, and five middle-end of threaded mandrel is rotatably equipped with nylon roller 22, the guide roller list First quantity is at least four.The material strip strainer includes rubber rollers 24, mandrel 2 25, threaded mandrel 4 26, the screw thread heart Axis 3 27 is tensioned rocker arm 28, and electromagnetic damper 29 and gear drive 30, described device shell backboard are provided with threaded hole one, The internal whorl of the threaded hole one is provided with threaded mandrel 3 27, and 3 27 middle-end of threaded mandrel is provided with tensioning rocker arm 28,28 middle-end of tensioning rocker arm is fixedly connected with electromagnetic damper 29, the gear drive 30 and the electromagnetic damping Device 29 is fixedly mounted, and the rocker arm is provided with through-hole far from 3 27 one end of threaded mandrel, is provided with mandrel 2 25 in the through-hole, The mandrel 2 25 is fixedly connected with gear drive 30 far from described device shell one end, and 2 25 middle-end of mandrel fixes 16 Rubber rollers 24 are installed, described device shell backboard and 2 25 motion path corresponding position of mandrel are provided with sliding slot, the dress It sets shell backboard and is provided with threaded hole two, the threaded hole two is internally provided with threaded mandrel 4 26, in the threaded mandrel 4 26 End is rotatably equipped with rubber rollers 24.The supporting mechanism includes bearing 31, cushion block 32 and the support of bearing 33, described device shell Two sides are respectively fixedly connected with a cushion block 32, and the cushion block 32 inlays the inner ring of connection bearing 31, the axis far from device housing side Hold the outer ring that bracket inlays connection bearing 33.The material strip jack includes rewinding disk 38, discharge plate 39, shaft 40, band biography Motivation structure 41, DC speed-reducing 42, the shell backboard middle part are fixedly installed with DC speed-reducing 42, and the direct current slows down One end of motor 42 is fixedly connected with belt driver 41, and the belt driver other end is fixedly connected with shaft 40, described Shell corresponding position is provided with sliding slot, and the rewinding disk 38 embeds electromagnetic damper, and the electromagnetic damper through-hole, which is fixedly connected, to be turned Axis, the electromagnetic damping outer wall are fixedly connected with rewinding disk 38, and 40 middle-end of shaft is rotatablely installed a discharge plate 39.The revolution Mechanism includes ring flange 34, electric slip ring 35, stepper motor 36 and electric machine support 37, and described device case top is fixedly connected with a method Blue disk 34 is provided with through-hole at 34 rotating shaft of ring flange, and the through-hole is fixedly connected with 36 shaft of a stepper motor, the stepping 36 shaft of motor rolls one electric slip ring 35 of installation, and an electric machine support 37 is fixedly mounted in the motor bottom.In the electric slip ring 35 Layer outlet and each threaded mandrel 1, the DC speed-reducing 42 and the stepper motor 36 are electrically connected, the electricity 35 outer layer outlet of slip ring and external control devices are electrically connected.

The parts not involved in the utility model shows and has technology identical or can be realized by using the prior art.

Claims (8)

1. a kind of carbon fiber answers material varied angle electrical loss self-heating in-situ solidifying device, including print head, it is characterised in that described Print head be mounted on the lower part of varied angle swing mechanism (1), which is connected to movement executing mechanism Support tip and be to swing axis with the vertical line of principal voltage roller (12) and plate contact point；The print head includes that carbon fiber is multiple Material tow unreels (2), winder roller (3), receives lining paper roller (7), directive wheel (8), multistage self-lubricating conduction roller (9), tension Controller (10), fiber cutting apparatus (11), principal voltage roller (12), secondary voltage roller (6) and temperature sensor (5), it is multistage from profit Sliding conduction roller (9), which is arranged, answers the lower part that material tow unreels (2) in carbon fiber, and winder roller (3) and receipts lining paper roller (7) are split In (8) two side of directive wheel, directive wheel (8), which close to carbon fiber answers material tow and unreels (2), to be arranged, self-lubricating conduction roller (9) and main The mandrel of voltage roller (12) is fixed in printhead body, and principal voltage roller (12) is located at lowest part and and the face of printhead body Plate is in contact, and secondary voltage roller (6) is mounted on the exit side of principal voltage roller (12) and provides compaction force for multiple material interlayer；Tension controller (10) it is mounted on and is easy to happen in material transmit process in the turning point loosened or the two support farther away sections of roller spacing, it is non- The temperature sensor (5) of contact is mounted in printhead body to by conductive roller (9), secondary voltage roller (6) and principal voltage The material surface temperature of roller (12) carries out real-time monitoring and feeds back to voltage controller, and carbon fiber answers material between controlling each section of electric roller Spontaneous heating temperature；Fiber cutting apparatus (11) is mounted between principal voltage roller (12) and secondary voltage roller (6) for quickly solid The thermosetting property carbon fiber for changing printing shaping is answered material and is cut off.

2. carbon fiber according to claim 1 answers material varied angle electrical loss self-heating in-situ solidifying device, it is characterised in that: The varied angle swing mechanism (1) is by the way of electric-machine directly-driven, and the angle of rotation is according to adjacent both ends in print track The angle of interpolation straight line, and continuous and stable rotates when variable angle occurs in interpolation straight line, the principal voltage roller and face Plate contact point be in always varied angle rotation central point, the secondary voltage roller in varied angle rotary course the moment with beaten The composite material section of print is in contact and spring (4) is utilized to provide compaction effort, answers material with carbon fiber and sliding friction does not occur.

3. carbon fiber according to claim 1 answers material varied angle electrical loss self-heating in-situ solidifying device, it is characterised in that The carbon fiber answers material tow and unreels (2) mainly in the material prepreg for having lining paper and isolation film, film collecting roller Wheel (3), receipts lining paper roller (7) are arranged at an angle, guarantee that fiber without hindrance can enter rank with diaphragm and lining paper removing In the conductive roller (9) of ladder arrangement, winder roller (3) and receipts lining paper roller (7) are connected with motor, and motor drives film collecting roller It takes turns (3) and receives lining paper roller (7), and then driving carbon fiber answers material tow and unreels (2) and persistently rotates and unreel.

4. carbon fiber according to claim 1 answers material varied angle electrical loss self-heating in-situ solidifying device, it is characterised in that: The conductive roller (9) is self-lubricating contact heating electricity roller, it is using the good conductor copper sleeve of electricity as main body, the master It is provided with several uniformly distributed contact holes on body, is inlaid with graphite block in hole, the barrel contacts are fixed in metal support mandrel, mandrel It is connected in bearing hole in printhead body, on the outside of metal core axle and pulls out formula transmission cable fastly, cable is that metal core axle passes to electricity Electric pathway is formed after stream, continuous fiber and barrel contacts, the volume resistance of the segment of fiber on each electric pathway connects greater than self-lubricating The summation of the contact resistance of electric roller is heated in touch.

5. carbon fiber according to claim 1 answers material varied angle electrical loss self-heating in-situ solidifying device, it is characterised in that Temperature sensor (5) is non-contact temperature sensor: multiple groups non-contact temperature sensor constitutes temperature monitoring feedback device, Temperature sensor (5) is arranged in the multistage heating area of formation temperature gradient, and temperature sensor (5) and band-like prepreg are not It is in contact, every group of two sensors are respectively placed in prepreg two sides, and the two feeds back to temperature in tow sides while thermometric Device is controlled, for temperature controller by real time temperature compared with target temperature, the adaptive temperature signal of generation is sent to different voltage controllers, Voltage controllers at different levels increase or reduce the input voltage in each pair of electrode, and whole device is constantly in the state of dynamic equilibrium.

6. carbon fiber according to claim 1 answers material varied angle electrical loss self-heating in-situ solidifying device, it is characterised in that: Carbon fiber prepreg is discharged in a manner of pulling under tension controller effect, and tension controller is located at band-like prepreg and is easy to happen In the turning point loosened and the two support farther away sections of roller, controller main composition part is tensioning wheel, and tensioning wheel can be It is moved forward and backward on one direction.

7. carbon fiber according to claim 1 answers material varied angle electrical loss self-heating in-situ solidifying device, it is characterised in that: The fiber cutting apparatus is arranged between principal voltage roller and secondary voltage roller, and ultrasonic knife chip cutting method can be used and cut fibre Dimension, cutting process do not influence normal print process.

8. carbon fiber according to claim 1 answers material varied angle electrical loss self-heating in-situ solidifying device, it is characterised in that: The winder roller (3) and lining paper roller (7) one of all can be installed or be fitted into.