CN207723030U - A kind of automatic material spray rolling equipment of graphene heat conducting film - Google Patents

Abstract

The utility model discloses a kind of automatic material spray rolling equipment of graphene heat conducting film, the material spray rolling equipment includes material spray equipment and the rolling equipment that is connected with material spray equipment, and the material spray equipment, which is used to spray to graphene powder, is passed into its internal copper foil surface；The rolling equipment includes roll Dual-Servo Motor device and copper foil material collecting device, and the roll Dual-Servo Motor device is connected with material spray equipment, and rolling and winding processing are carried out for the copper foil to graphite spraying alkene powder.The utility model spray method combination calendering technology by graphene powder even application to copper foil surface, then through roll, making high heat conduction film, improve heat conducting film heat conduction parameter；And the problems such as saving a large amount of electricity consumption and big hold facility place.

Description

A kind of automatic material spray rolling equipment of graphene heat conducting film

Technical field

The utility model is related to a kind of graphene process equipments, more particularly, to a kind of automatic material spray pressure of graphene heat conducting film Rolling equipment.

Background technology

As world energy sources are in short supply and the deterioration of environment, regenerative resource and clean energy resource are gradually favored, this is but also nickel The novel energies such as hydrogen, lithium ion, solar cell and energy storage mode are rapidly developed.

Graphene (Graphene) is a kind of new material for the individual layer laminated structure being made of carbon atom.It is one kind by carbon Atom forms the flat film that hexangle type is in honeycomb lattice with sp2 hybridized orbits, and only there are one the two-dimensional materials of carbon atom thickness.

Due to the special construction of graphene, researcher pays close attention to always the exploitation to graphene Related product, graphene Multiple use also increasingly shows.Among these, the graphene heat conducting film with the capacity of heat transmission, also known as thermal conductivity graphene piece, become close A kind of emerging novel heat conduction and heat radiation material, is applied to electronics, communication, illumination, aviation and national defence troops extensively over year Many fields such as work.

At present in the production of heat conducting film, the screen printing method of graphene ink is usually taken to make, specifically by graphene Ink silk screen printing to the surface of PET (Polyethylene terephthalate, poly terephthalic acid class plastics) films or copper foil, Drying equipment is dried.

Another way is graphene slurry coating method, specifically by graphene slurry roller coating to PET film or copper The surface of foil carries out dry tack free using drying equipment.

But above two production method major defect be inside graphene ink or graphene slurry containing solvent and its Its material leads to entire material spray equipment there are power consumption big, the shortcomings of operating cost is high and heat conduction parameter and indexes are not achieved.

It is handled in addition, graphene heat conducting film will generally pass through rolling after processing is completed, existing rolling processing unit one As include upper and lower two rolls, two or four synchronous motor respectively give upper and lower two rolls input pure torsion passing power, but It is that the electrode of use is all servo motor, and control accuracy is low, and there are roll coaxiality error, bearing mnanufacture errors to being rolled Object thin and thick uniformity is pressed to influence.

Utility model content

The purpose of the utility model is to overcome the defects of the prior art, provide a kind of stone improving heat conducting film heat conduction parameter The black automatic material spray rolling equipment of alkene heat conducting film.

To achieve the above object, the utility model proposes following technical solutions：A kind of automatic material spray pressure of graphene heat conducting film Rolling equipment, the equipment include material spray equipment and the rolling equipment that is connected with material spray equipment,

The material spray equipment includes graphene feeding device, copper foil conveying device, material-spraying device and exhausting filter device, institute It states graphene feeding device with material-spraying device to be connected, for conveying graphene powder in material-spraying device；The copper foil conveying dress It sets and is connected with material-spraying device, being used for will be in copper foil feedstock transportation to material-spraying device；The material-spraying device is used for Graphene powder Material, which sprays to, is passed into its internal copper foil surface；The exhausting filter device is also connected with material-spraying device, is used for material spray The extra powder of spraying siphons away filtering, recycling in cavity；And the material-spraying device, exhausting filter device and graphene feeding device Between connection form recirculation system inside the powder of a closed loop, the powder recycled in the exhausting filter device is defeated successively again It is sent in graphene feeding device and material-spraying device and is recycled；

The rolling equipment includes roll Dual-Servo Motor device and copper foil material collecting device, the roll Dual-Servo Motor dress It sets and is connected with material spray equipment, for the copper foil of graphite spraying alkene powder to be carried out rolling processing；The copper foil material collecting device with roll Roller Dual-Servo Motor device is connected, for the copper foil after rolling to be carried out winding processing.

Preferably, the graphene feeding device includes storing barrel, feeding device and material feed drum, in the storage barrel Added with graphene powder, it is connected with material feed drum by conveying device；The conveying device will be for that will store the graphite in barrel In alkene powder carry to material feed drum；The material feed drum is connected with material-spraying device, for providing the graphite needed for material-spraying device spraying Alkene powder.

Preferably, the bottom of the material feed drum is designed as cone shape, and the bottom of the material feed drum also sets up powder Agitating device, for being stirred to the graphene powder in material feed drum.

Preferably, the sulfur content control that setting is controlled for the feed flow to graphene powder in the feeding device Instrument.

Preferably, the material-spraying device includes air compression material pump and material spray cavity, and the air compression material pump setting exists It is communicated on material feed drum or with material feed drum, being used for will be in the graphene powder spray feed to spraying material chamber body in material feed drum.

Preferably, the section of the material spray cavity is divided into the lower part in up-narrow and down-wide trapezoidal shape top and tapered shape, The top of the material spray cavity is sprayed for copper foil, and lower part is as graphene powder reclaimed materials storehouse.

Preferably, the copper foil conveying device includes that copper foil conveying frame and the copper foil being arranged in copper foil conveying frame are put Winding apparatus, a plurality of guiding carrying rollers, automatic membrane uncovering device and automatic deviation rectifying device, the guiding carrying roller is in copper foil conveying frame Along the directional spreding of copper foil conveying, the automatic deviation rectifying device is arranged in the lower section of automatic membrane uncovering device, and copper foil passes through copper successively Foil unwinding device unreels, and is directed in automatic membrane uncovering device using guiding carrying roller and takes off film, automatic deviation rectifying device while taking off film It ajusts copper foil and unreels position, take off the copper foil after film and be conveyed to material-spraying device.

Preferably, the exhausting filter device includes exhaust fan and at least two-stage powder being connected with exhaust fan filtering dress It sets.

Preferably, the powder filter device includes filter cavity, filter core, pulse backblowing solenoid valve and pulse backblowing dress Set, the filter core is arranged in filter cavity, and the Pulse anti-blow device is arranged on filter core, the pulse backblowing solenoid valve with Pulse anti-blow device connects, startup and closing for controlling Pulse anti-blow device.

Preferably, the equipment further includes electric cabinet and electric cabinet heat extraction filter device, and the electric cabinet is totally-enclosed knot Structure, the electric cabinet heat extraction filter device are connected with electric cabinet and exhausting filter device, are used for the heat inside electric cabinet It discharges, and passes through filter wind and enter electric cabinet, radiate to electric cabinet.

Preferably, roll Dual-Servo Motor device includes support device, and upper rolling device in support device, Lower rolling device and hydraulic jacking device, the upper rolling device and lower rolling device include servo electricity up and down and column distribution Machine, gear reducer, shaft coupling and roll, the servo motor are connected by speed reducer with shaft coupling, and shaft coupling is connected with roll, watches It takes motor and inputs pure torsion passing power to roll；The hydraulic jacking device is connected with lower rolling device, for driving lower rolling Pressure device moves up and down.

Preferably, the rolling equipment further includes the gap control device being arranged between upper and lower two rolling devices, is used Gap between eliminating upper and lower two rolling devices.

Preferably, the copper foil material collecting device includes copper foil winding frame and is arranged a plurality of in copper foil winding frame It is oriented to carrying roller, copper foil winding device and automatic deviation rectifying device, the guiding carrying roller is in copper foil winding frame upper edge copper foil rewinding Direction is sequentially distributed, for the copper foil after rolling to be conveyed to copper foil winding device；The automatic deviation rectifying device is arranged in copper foil The lower section of wrap-up, for ajusting copper foil take-up position while copper foil is wound.

The utility model has the beneficial effects that：

1, most light, minimum, most hard graphene nano pulverulent material will be removed by the utility model design by realizing The automatic material spraying machine of graphene can be used as life with the method for spray by graphene powder even application to copper foil or other body surfaces The special material spray equipment for producing heat conducting film solves compared with existing graphene ink coating method and graphene slurry rolling process The low problem of heat conduction parameter of heat conducting film, improves a large amount of heat conduction parameters；And it due to saving heating, drying equipment, saves a large amount of Electricity consumption, and solve the problems, such as the occupancy workshop place of workshop equipment large area.In addition, the copper foil after spraying passes through again Calender rolling is handled, so that its surface is more uniform, the calender of the utility model is driven by Dual-Servo Motor, cooperation The structures such as gap eliminator, hydraulic jacking device solve the problems, such as existing in uneven thickness when existing heat conducting film rolling.

2, in addition, system by forming circulation and stress inside powder, weight after the powder sprayed is recycled It is new to utilize, cost-effective and environmental protection and energy saving.

3, the structure design of material feed drum, material spray cavity, powder filter device so that powder is not easy to accumulate, and using bipolar Exhausting filters, and the devices timing such as Pulse anti-blow device is blown to powder filter core, is made exhausting smooth, be can guarantee the smooth of spraying process It carries out.

4, electric-control system is according to totally enclosed structure design so that graphene powder is avoided into not going inside electric-control system Phenomena such as short-circuit, occurs, and improves the security performance of equipment entirety.And electric-control system uses heat extraction filter device, it will be in electric cabinet The heat in portion discharges, and passes through filter wind and enter electric cabinet, radiates to electric cabinet, further extends the use of electric cabinet Service life.

5, the control of graphene powder feed flow controls flow using sulfur content controller, realizes powder flow precision control System.

Description of the drawings

Fig. 1 is the schematic cross-sectional view of the utility model material spray equipment；

Fig. 2 is the schematic side view of the utility model material spray equipment；

Fig. 3 is the dimensional structure diagram of the equipment rack and copper foil conveying device of the utility model material spray equipment；

Fig. 4 is the schematic top plan view of the utility model material spray equipment；

Fig. 5 is the front-view schematic diagram of the utility model copper foil conveying device；

Fig. 6 is the schematic side view of the utility model copper foil conveying device；

Fig. 7 is the schematic top plan view of the utility model copper foil conveying device；

Fig. 8 is the structural schematic diagram of the utility model roll Dual-Servo Motor device；

Fig. 9 is the structural schematic diagram that the utility model roll Dual-Servo Motor device removes calender outer cover；

Figure 10 is the schematic side view of the utility model roll Dual-Servo Motor device；

Figure 11 is the front-view schematic diagram of the utility model roll Dual-Servo Motor device；

Figure 12 is the structural schematic diagram of the utility model copper foil material collecting device；

Figure 13 is the flow diagram of utility model works principle.

Reference numeral：

1, equipment rack, 2, copper foil conveying device, 21, copper foil conveying frame, 211, unreel air-expanding shaft, 212, magnetic powder clutched Device, 22, be oriented to carrying roller, 23, automatic deviation rectifying device, 24, automatic membrane uncovering device, 3, material feed drum, 4, motor, 5, stirring rod, 6, spray Expect cavity, 61, top, 62, lower part, 7, exhaust fan, 8, first order powder filter device, 9, second level powder filter device, 10, Filter cavity, 11, filter core, 12, pulse backblowing solenoid valve, 13, Pulse anti-blow device, 14, air accumulator, 15, exhausting muffler, 16, bag type filter device, 17, electric cabinet heat extraction filter device, 25, air pipeline, 26, roll Dual-Servo Motor device, 27, copper Foil material collecting device, 271, copper foil winding frame, 272, be oriented to carrying roller, 273, automatic deviation rectifying device, 274, unreel air-expanding shaft, 275, Magnetic powder cluth, 276, tension driving device, 28, upper rolling device, 281, first servo motor, the 282, first speed reducer, 283, first shaft coupling, 284, topping roll, 285, top chock, 29, lower rolling device, the 291, second servo motor, 292, Two speed reducers, 293, second shaft coupling, 294, bottom roll, 295, step, 30, hydraulic jacking device, 31, rack, 32, electricity Machine support, 33, gap control device, 34, calender outer cover, 35, electric cabinet, 36, hydraulic system,

Specific implementation mode

Below in conjunction with the attached drawing of the utility model, the technical solution of the utility model embodiment is carried out clear, complete Description.

A kind of revealed automatic material spray rolling equipment of graphene heat conducting film of the utility model, is belonged to using graphene powder Graphene powder is sprayed onto on copper foil surface by the characteristic of nano material using the method for spraying, makes heat conducting film, then will spray Copper foil by further rolling handle so that the graphene powder of copper foil surface is more uniform.The utility model is on the one hand main It solves the problems, such as that existing heat conducting film heat conduction parameter is low, substantially increases heat conduction parameter；And because eliminating heating, drying equipment, A large amount of electricity consumption has been saved, has also solved the problems, such as the occupancy workshop place of workshop equipment large area.On the other hand Existing uneven distribution is even when it is low also to solve the existing driving precision of existing calendering device, and being rolled problem rolling asks Topic.

In conjunction with shown in Fig. 1~Fig. 4, a kind of revealed automatic material spray rolling equipment packet of graphene heat conducting film of the utility model Include material spray equipment and rolling equipment, wherein material spray equipment includes an equipment rack 1, graphene feeding device, material-spraying device, copper Foil conveying device 2, exhausting filter device and electric cabinet (not shown), equipment rack 1 are used to support equipment and remove copper foil conveying device 2 Outer other structures.

Graphene feeding device is connected with material-spraying device, for conveying graphene powder in material-spraying device.Specifically, stone Black alkene feeding device includes storage barrel (not shown), feeding device (not shown) and material feed drum 3, wherein is added in storage barrel There is graphene powder, be connected with material feed drum 3 by conveying device, conveying device will store the graphene powder carry in barrel Into material feed drum 3；Material feed drum 3 is arranged on equipment rack 1, for providing the graphene powder former material needed for material-spraying device spraying Material.

Preferably, the bottom of material feed drum 3 is designed as cone shape so that is not easy to accumulate graphene powder in material feed drum 3. In addition, it is highly preferred that the bottom of material feed drum 3 also sets up powder stirring device, powder stirring device include motor 4 and with motor 4 Connected stirring rod 5, stirring rod 5 are extend into from the bottom of material feed drum 3 in material feed drum 3, and stirring rod 5 is right under the driving of motor 4 Graphene powder in material feed drum 3 is stirred, and makes its uniform feeding simultaneously but also being not easy to accumulate Graphene powder in material feed drum 3 Material.

And preferably, essence is carried out to the feed flow of graphene powder using sulfur content controller (not shown) in feeding device Really control, to accurately control the material spray amount of graphene powder.

Material-spraying device specifically includes air compression material pump (not shown) and material spray cavity 6, and air compression material pump setting is supplying It is communicated on barrel 3 or with material feed drum 3, for the condition using negative pressure in compressed air and cooperation material spray cavity 6, by material feed drum In graphene powder uniform spray feed to material spray cavity 6 in 3.In the present embodiment, material spray cavity 6 is arranged in equipment rack 1, spray The section of material cavity 6 is divided into the lower part 62 in up-narrow and down-wide trapezoidal shape top 61 and tapered shape, the top 61 of material spray cavity It is sprayed for copper foil, lower part 62 is as graphene powder reclaimed materials storehouse.The structure design of material spray cavity 6 is according to Graphene powder Expect that not only light but also small principle come what is designed, on the one hand can make powder even application, on the other hand also allows for collecting powder, reach It recycles.

Copper foil conveying device 2 is arranged in the side of equipment rack 1 and is communicated with material spray cavity 6, for copper foil raw material is defeated It is sent to the upper graphene powder of spraying in material spray cavity 6.Specifically, in conjunction with shown in Fig. 5~Fig. 7, copper foil conveying device 2 includes copper foil Conveying frame 21 and the copper foil unwinding device being arranged in copper foil conveying frame 21, a plurality of guiding carrying rollers 22, automatic film of taking off fill Set 24 and automatic deviation rectifying device 23, wherein copper foil unwinding device includes being mounted in copper foil conveying frame 21 to unreel air-expanding shaft 211 and with the magnetic powder cluth 212 that unreels air-expanding shaft 211 and be connected, copper foil raw material, which is installed to, to be unreeled on air-expanding shaft 211, in magnetic powder Clutch 212 drives copper foil to be conveyed to close to automatic membrane uncovering device direction in the case of providing torque.Carrying roller 22 is oriented in equipment The direction of 1 upper edge copper foil of rack conveying is sequentially distributed (i.e. from copper foil unwinding device toward the direction of automatic membrane uncovering device)；Automatically it takes off Film device is used to throw off the release paper of copper foil surface, and is transported to the copper foil after film is taken off inside material spray cavity 6；Automatic deviation correction fills It sets 23 to be arranged in the lower section of automatic membrane uncovering device, position is unreeled for automatically ajusting copper foil while taking off film, accomplish orderly Copper foil unreel.

Optionally, copper foil unwinding device may also include the unwinding tension control system being arranged in copper foil conveying frame 21 (not shown), unwinding tension control system include tension driving device and the tension being connected with tension driving device sensing induction dress It sets, tension sensing sensing device drives tension driving device pair for incuding the dynamics that copper foil unreels, according to the dynamics detected The dynamics that copper foil unreels is adjusted.

Copper foil after material spray continues to convey across material spray cavity 6.Exhausting filter device is connected with material spray cavity 6, uses Extra powder siphons away filtering on the graphene powder and copper foil surface being recovered in by material spray cavity 6.Specifically, exhausting mistake Filter device includes exhaust fan 7 and at least two-stage powder filter device being connected with exhaust fan 7, in the present embodiment, is provided with the Level-one and the second level 8,9 two-stage powder filter devices.Wherein, first order powder filter device 8 is arranged inside equipment rack 1, And communicated with material spray cavity 6, for carrying out by-pass filtration to the powder being had more in material spray cavity 6.Second level powder filter device 9 It is cascaded with first order powder filter device 8, for carrying out secondary filtration to the powder being had more in material spray cavity 6.Exhaust fan 7 with Second level powder filter device 9 communicates, and for carrying out exhausting to material spray cavity 6, the powder being had more in material spray cavity 6 is taken out respectively Filtering in the first order and second level powder filter device 8,9.For material spray cavity 6 by after exhausting, inside forms negative pressure state.

In the present embodiment, the first order is identical with second level powder filter device 8,9 structures, specifically includes filter cavity 10, filter core 11, pulse backblowing solenoid valve 12 and Pulse anti-blow device 13, filter core 11 are arranged in filter cavity 10, pulse backblowing Device 13 is arranged on filter core 11, and pulse backblowing solenoid valve 12 is connect with Pulse anti-blow device 13, for controlling pulse backblowing dress Set 12 startup and closing.The graphene powder that powder filter device is pumped into through exhaust fan attaches on filter core 11.Pulse backblowing Device 13 periodically gives filter core 11 to blow under the control of pulse backblowing solenoid valve 12, blows the powder on filter core 11 off, ensures exhausting It is smooth.And setting two-stage filtering device, ensure to aspirate powder extra in clean spraying material chamber body.

Preferably, the bottom of the filter cavity 10 of first order powder filter device 8 is also configured as cone shape so that filtering It is not easy to accumulate graphene powder in cavity 10.In addition, the filter cavity 10 and material spray cavity 6 of first order powder filter device 8 Powder stirring device can be arranged in bottom, and the structure of powder stirring device is identical as being arranged on above-mentioned material feed drum, here just not It repeats again.

Exhausting filter device further includes air accumulator 14, air accumulator 14 by air pipeline 25 and two-stage powder filter device 8, 9 are connected, for providing the air needed for suction.

Exhausting filter device is also connected with storage barrel, i.e. material-spraying device, exhausting filter device and graphene feeding device Between connection formed a closed loop powder inside recirculation system, exhausting filter device by suction recycling powder be transported to again It stores in barrel, for recycling.Grapheme material inside storage barrel carries out material spray after being transported to again inside material feed drum Device material spray, in this way, grapheme material forms a recycling technique inside equipment.

Further optionally, exhausting filter device further includes exhausting muffler 15 and bag type filter device 16, wherein exhausting Muffler 15 is arranged on the exhaust fan pipeline communicated with exhaust fan 7, for reducing the sound during exhausting, avoids noise dirty Dye；The powder fallen in exhaust fan duct bottom for recycling exhaust fan exhausting process is arranged in bag type filter device 16.Pocket type mistake Filter device 16 can also be connected with storage barrel, and the powder of collection is recycled and is re-used to storage barrel.

Electric cabinet is for controlling the operation of whole equipment in process of production.During operation, automatically controlled component will produce Excessive heat, component automatically controlled in this way can be damaged.Preferably, the utility model installs a set of and electric cabinet additional on the device And the electric cabinet heat extraction filter device 17 that exhausting filter device is connected, for discharging the heat inside electric cabinet, then It passes through filter wind and enters electric cabinet, radiate to electric cabinet.It should be noted that since graphene powder is conductive material, electricity It is not allow access into some graphene dust to control inside case, otherwise will result in damage or short circuit, therefore in the utility model, whole It covers automatically controlled electric cabinet and is set as totally-enclosed form.

In addition to above structure, some additional structures can be also set on equipment rack, observation is set such as on material spray cavity Window (not shown) and cavity door (not shown), and electronic cabinet door (not shown) etc. is opened up on electric cabinet.

Rolling equipment is connected with material spray equipment, is carried out successively at rolling and winding for the copper foil to graphite spraying alkene powder Reason.Specifically, in conjunction with shown in Fig. 8~Figure 11, rolling equipment includes roll Dual-Servo Motor device 26 and copper foil material collecting device 27, Wherein, roll Dual-Servo Motor device 26 includes support device, and the upper rolling device 28 in support device, lower rolling Device 29 and hydraulic jacking device 30, it rack 31 and at least two electric machine supports that are arranged on rack 31 that support device, which includes one, 32, support base of the rack 31 as whole equipment, electric machine support 32 is for installing rolling device 28 and lower rolling device 29.

Upper rolling device 28 and about 29 lower rolling device and column distribution, the two structure are identical, wherein upper rolling device 28 It is fixed comprising first servo motor 281, the first speed reducer 282, first shaft coupling 283 and topping roll 284, first watches Motor 281 is taken by the first speed reducer 282 to be connected with first shaft coupling 283, first shaft coupling 283 is connected with topping roll 284, the One servo motor 281 inputs pure torsion passing power to topping roll 284.Lower rolling device 29 includes the second servo motor 291, the Two speed reducers 292, second shaft coupling 293 and bottom roll 294, similarly, the second servo motor 291 by the second speed reducer 292 with Second shaft coupling 293 is connected, and second shaft coupling 293 is connected with bottom roll 294, and the second servo motor 291 is inputted to bottom roll 294 Pure torsion passing power.A roll is driven by a motor, and based on the driving of first servo motor 281, is watched for second Take the driving cooperation of motor 291.

Lower rolling device 29 is movable, is connected with hydraulic jacking device 30, can be in the pressure of hydraulic jacking device 30 And move up and down, the pressure needed for rolling is applied to copper foil surface.

In addition, top and bottom rolls 284,294 are respectively arranged in a bearing block, wherein 284 corresponding bearing block of topping roll is to fix Bearing block 285,294 corresponding bearing block of bottom roll are in mobile bearing 295.Preferably, in upper and lower two rolling devices 28, gap control device 33 is also set up between 29, due to there is certain gap between workpiece size and bearing itself, rolled to allow The roll surface bounce of roller is more preferable, can be workpiece size and bearing sheet in bearing block interior arrangement elimination gap control device 33 Body gap is eliminated, and reaches tight fit, to make roll is more preferable in transmission process must play rolling effect.

Fixed bearing block 285 is fixed on electric machine support 32, and mobile bearing 295 can be arranged at this to upper and lower displacement On electric machine support 32, topping roll 284 and bottom roll 294 are separately positioned on fixed bearing block 285 and moving shaft holder 295.Liquid Jacking apparatus is pressed to be arranged below moving shaft holder 295, by 295 upper and lower displacement of hydraulic-driven moving shaft holder.This external hydraulic ram It rises device and drives 295 upper and lower displacement of mobile bearing, and observe the gap between two rolls, if reach the thickness needed for pole piece Degree.

In conjunction with shown in Figure 12, the structure of copper foil material collecting device 27 is similar with the structure of above-mentioned copper foil conveying device 2, different It does not include automatic membrane uncovering device on copper foil material collecting device 27 to be, i.e. copper foil material collecting device 27 includes copper foil winding frame 271 and sets Set a plurality of guiding carrying rollers 272, copper foil winding device and automatic deviation rectifying device 273 in copper foil winding frame 271, wherein Copper foil winding device include be mounted in copper foil winding frame unreel air-expanding shaft 274 and with the magnetic that unreels air-expanding shaft 274 and be connected Powder clutch 275 unreels air-expanding shaft 274 in the case where magnetic powder cluth 275 provides torque, will be oriented to carrying roller 272 and conveyed Finished copper foil automatic winding after the rolling come is to unreeling on air-expanding shaft 274.Carrying roller 272 is oriented in copper foil winding frame 271 It is sequentially distributed along the direction (being oriented to carrying roller 272 toward the direction of copper foil winding device) of copper foil rewinding；Automatic deviation rectifying device 273 is set It sets in the lower section of copper foil winding device, for automatically ajusting copper foil take-up position while copper foil is wound, accomplishes orderly Copper foil is wound.

Optionally, copper foil material collecting device 27 may also include the winding tension control system being arranged in copper foil winding frame 271 System, identical as above-mentioned unwinding tension control system structure, winding tension control system includes tension driving device 276 and and tension The connected tension of driving device 276 senses sensing device (not shown), and tension sensing sensing device is used to incude copper foil winding Dynamics, the dynamics wound to copper foil according to the dynamics driving tension driving device 276 detected are adjusted.

Further, rolling equipment further includes calender outer cover 34, electric cabinet 35 and hydraulic system 36, wherein calendering Machine outer cover 34 is located at outside roll Dual-Servo Motor device 26, and electric cabinet 35 controls the operation of entire rolling equipment, hydraulic system 35 are connected with hydraulic jacking device 30, provide hydraulic jacking device 30 and work required hydraulic pressure.

In conjunction with shown in Figure 13, the operation principle of the utility model is：

S1 is conveyed to material-spraying device after copper foil raw material is taken off film automatically, and conveys graphene into graphene feeding device Powder.

Specifically, what copper foil material was installed to copper foil conveying device unreels blowing on air-expanding shaft, through being oriented to carrying roller after unreeling 22 are conveyed to automatic membrane uncovering device, and automatic membrane uncovering device throws off the release paper of copper foil surface automatically, automatic deviation correction while taking off film Device 23 automatically ajusts copper foil and unreels position, accomplishes that orderly copper foil unreels.

Graphene powder is added in storage barrel, it is defeated through feeding device then will to store the graphene powder in barrel again It is sent in material feed drum 3, the graphene powder needed for material-spraying device spraying is provided.

Graphene powder is sprayed to the copper foil surface across material-spraying device by S2 while copper foil conveys.

Specifically, copper foil passes through 6 continuous conveying of material spray cavity, and during conveying, material-spraying device is by graphene powder On even application to copper foil surface, the copper foil continuation continuous conveying sprayed is gone out.

S3 will spray extra powder and siphon away filtering, recycling in spraying material chamber body, and again by the graphene powder after recycling It is transported in graphene feeding device and is recycled.

Specifically, the extra powder of spraying passes through first order powder successively under the swabbing action of exhaust fan 7 in spraying material chamber body Filter device and the filtering of second level powder filter device, recycling, and the gas discharging by filtering after clean are expected, by the stone after recycling Black alkene powder, which is re-delivered in graphene feeding device, to be recycled.

S4 is rolled the copper foil for having sprayed graphene powder, winding processing successively.

Specifically, after the completion of spraying, the graphene powder that copper foil surface is sprayed is filled by dedicated roll Dual-Servo Motor It sets and is rolled, then copper foil material collecting device carries out copper foil covering or coating technique, and then finished product is wound, at this point, high heat conduction film It produces and completes by whole set process.

The utility model device can will remove most light, minimum, most hard graphene " nano material, in conjunction with pulverulent material Circulation theory, feeding device, grapheme material inside circulating filtration retracting device, automatically controlled system inside air feeding principle, exhausting System, barrel agitating device and copper foil material auxiliary material unreel system for automatically correcting, roll Dual-Servo Motor device and copper foil rewinding dress Setting etc. can uniformly be sprayed onto grapheme material copper foil and auxiliary material surface transport is gone out, and is rolled, winds molding.

The purposes for the copper-based high heat conduction film prepared through the utility model device and field include at least：New-energy automobile, Energy-storage system, marine settings, emission power, composite material, electronic product, semiconductor, super capacitor, LED illumination, zero, aircraft In the relevant devices such as part, flexible touch screen, mobile phone, ship, wind-power electricity generation.

The technology contents and technical characteristic of the utility model have revealed that as above, however those skilled in the art still may be used Teaching and announcement that can be based on the utility model and make various replacements and modification without departing substantially from the spirit of the present invention, therefore, this Utility model protection range should be not limited to the revealed content of embodiment, and should include the various replacements without departing substantially from the utility model And modification, and covered by present patent application claim.

Claims (10)

1. a kind of automatic material spray rolling equipment of graphene heat conducting film, which is characterized in that the equipment include material spray equipment and with spray Expect the connected rolling equipment of equipment,

The material spray equipment includes graphene feeding device, copper foil conveying device, material-spraying device and exhausting filter device, the stone Black alkene feeding device is connected with material-spraying device, for conveying graphene powder in material-spraying device；The copper foil conveying device with Material-spraying device is connected, and being used for will be in copper foil feedstock transportation to material-spraying device；The material-spraying device is for spraying graphene powder It is coated onto and is passed into its internal copper foil surface；The exhausting filter device is also connected with material-spraying device, is used for material spray cavity The extra powder of interior spraying siphons away filtering, recycling；And between the material-spraying device, exhausting filter device and graphene feeding device Connection forms recirculation system inside the powder of a closed loop, and the powder recycled in the exhausting filter device is fed sequentially into again It is recycled in graphene feeding device and material-spraying device；

The rolling equipment includes roll Dual-Servo Motor device and copper foil material collecting device, the roll Dual-Servo Motor device with Material spray equipment is connected, for the copper foil of graphite spraying alkene powder to be carried out rolling processing；The copper foil material collecting device is double with roll Servo motor device is connected, for the copper foil after rolling to be carried out winding processing.

2. the automatic material spray rolling equipment of graphene heat conducting film according to claim 1, which is characterized in that the graphene supplies Expect that device includes storage barrel, feeding device and material feed drum, the storage barrel is interior added with graphene powder, is filled by conveying It sets and is connected with material feed drum；The conveying device is used to the graphene powder stored in barrel being transported in material feed drum；The confession Barrel is connected with material-spraying device, for providing the graphene powder needed for material-spraying device spraying.

3. the automatic material spray rolling equipment of graphene heat conducting film according to claim 1, which is characterized in that the copper foil conveying Device include copper foil conveying frame and be arranged in copper foil conveying frame copper foil unwinding device, a plurality of guidings carrying rollers, automatically Membrane uncovering device and automatic deviation rectifying device, the directional spreding for being oriented to carrying roller and being conveyed in copper foil conveying frame upper edge copper foil are described Automatic deviation rectifying device is arranged in the lower section of automatic membrane uncovering device, and copper foil is unreeled by copper foil unwinding device successively, using guiding Carrying roller is directed in automatic membrane uncovering device and takes off film, and automatic deviation rectifying device ajusts copper foil and unreels position while taking off film, after taking off film Copper foil is conveyed to material-spraying device.

4. the automatic material spray rolling equipment of graphene heat conducting film according to claim 1, which is characterized in that the exhausting filtering Device includes exhaust fan and at least two-stage powder filter device being connected with exhaust fan, and the powder filter device includes filtering Cavity, filter core, pulse backblowing solenoid valve and Pulse anti-blow device, the filter core are arranged in filter cavity, the pulse backblowing Device is arranged on filter core, and the pulse backblowing solenoid valve is connect with Pulse anti-blow device, for controlling Pulse anti-blow device Start and closes.

5. the automatic material spray rolling equipment of graphene heat conducting film according to claim 1, which is characterized in that the equipment is also wrapped Include electric cabinet and electric cabinet heat extraction filter device, the electric cabinet is full-closed structure, the electric cabinet heat extraction filter device with Electric cabinet and exhausting filter device are connected, and for discharging the heat inside electric cabinet, and pass through filter wind and enter electric cabinet, It radiates to electric cabinet.

6. the automatic material spray rolling equipment of graphene heat conducting film according to claim 1, which is characterized in that the roll is double to be watched It includes support device to take electric machine, and upper rolling device, lower rolling device and hydraulic lifting dress in support device It sets, the upper rolling device and lower rolling device include servomotor, gear reducer, shaft coupling and roll up and down and column distribution, The servo motor is connected by speed reducer with shaft coupling, and shaft coupling is connected with roll, and servo motor inputs pure torsion to roll Passing power；The hydraulic jacking device is connected with lower rolling device, for driving lower rolling device to move up and down.

7. the automatic material spray rolling equipment of graphene heat conducting film according to claim 6, which is characterized in that the rolling equipment Further include the gap control device being arranged between upper and lower two rolling devices, for eliminating between upper and lower two rolling devices Gap.

8. the automatic material spray rolling equipment of graphene heat conducting film according to claim 6, which is characterized in that the copper foil rewinding Device includes copper foil winding frame and a plurality of guiding carrying rollers being arranged in copper foil winding frame, copper foil winding device and automatic Deviation correcting device, the guiding carrying roller are sequentially distributed in the direction of copper foil winding frame upper edge copper foil rewinding, for after rolling Copper foil is conveyed to copper foil winding device；The automatic deviation rectifying device is arranged in the lower section of copper foil winding device, for being received in copper foil Copper foil take-up position is ajusted while volume.

9. the automatic material spray rolling equipment of graphene heat conducting film according to claim 2, which is characterized in that the material feed drum Bottom is designed as cone shape, and the bottom of the material feed drum also sets up powder stirring device, for the stone in material feed drum Black alkene powder is stirred.

10. the automatic material spray rolling equipment of graphene heat conducting film according to claim 2, which is characterized in that the conveying dress Set the interior sulfur content controller for being arranged and being controlled for the feed flow to graphene powder.