CN104589653A - Print cartridge, three-dimensional printer and three-dimensional printing method - Google Patents
Print cartridge, three-dimensional printer and three-dimensional printing method Download PDFInfo
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- CN104589653A CN104589653A CN201510039826.3A CN201510039826A CN104589653A CN 104589653 A CN104589653 A CN 104589653A CN 201510039826 A CN201510039826 A CN 201510039826A CN 104589653 A CN104589653 A CN 104589653A
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Abstract
The invention relates to a print cartridge which can be detachably arranged on a three-dimensional printer. The print cartridge is used for supplying a molding material for a three-dimensional printing process of the three-dimensional printer. The print cartridge comprises a container, a discharge outlet and a driving force receiving part, wherein the container is used for accommodating the molding material, and the side wall of the container comprises a deformable part, so that the volume of the container can be changed; the discharge outlet is used for being communicated with an inlet of a printing nozzle; the driving force receiving part is used for receiving a driving force output by a driving force output device of the three-dimensional printer, so that the volume of the container is reduced, and the molding material in the container is extruded out of the discharge outlet. The print cartridge is easy to replace, and is subsequently refilled for use, and long in service life. In addition, the invention also provides a three-dimensional printer with the print cartridge and a three-dimensional printing method.
Description
Technical field
The present invention relates to a kind of for the feeding container to rapid forming equipment supply moulding material, there is rapid forming equipment and the quick molding method of this feeding container; Specifically, relate to a kind of print cartridge for the 3 D-printing process supply moulding material to three-dimensional printer, there is three-dimensional printer and the 3 D-printing method of this print cartridge.
Background technology
Three-dimensional printer, is a kind of mathematical model based on three-dimensional body, utilizes the material such as plastics or powdery metal, constructed the equipment of three-dimensional body by the mode successively printed.
Notification number is that the patent document of CN203789039U has announced a kind of chocolate three-dimensional printer and chocolate extrusion device thereof.Wherein, extrusion device comprises installing plate, be installed on the chocolate reservoir on installing plate, be located at the lower end of chocolate reservoir and the printing nozzle be communicated with it, be placed in the piston in chocolate reservoir, the screw mandrel be connected with piston, the feed screw nut matched with screw mandrel, for driving screw mandrel along the drive motors of its axial reciprocating movement, be placed on the constant temperature heating device that chocolate reservoir outer surface is outer and cylindrical, and the cooling device for cooling the molten condition chocolate extruded from printing nozzle.Because this extrusion device is a syringe type structure, carrying out printing in the process of three-dimensional body, by constant temperature heating device, the solid chocolate in chocolate reservoir is heated to molten condition, and promote piston moving axially along chocolate reservoir by screw mandrel with coordinating of feed screw nut, thus the chocolate of molten condition is extruded from the outlet of printing nozzle and is deposited on objective table.
In order to print three-dimensional body, printing nozzle controls to move as three dimensions relative to objective table by three-dimensional printer control unit, thus prints three-dimensional body layer by layer.But because whole extrusion device is syringe type structure, physical dimension is partially long on vertical, can extrude by the outlet of set rate from printing nozzle to make molten condition chocolate, need to guarantee the sealing between piston and chocolate reservoir madial wall, and sealing with piston the increasing and be deteriorated gradually of times of exercise in chocolate reservoir, can reduce the service life of chocolate reservoir, due to the requirement of sealing, the long chocolate reservoir of length requires higher to the processing technology of its madial wall, adds processing cost, in order to batch moulding material before preventing is to the pollution of rear batch of moulding material, especially food-grade moulding material, again need piston to pull down in filler process clean clean after put in back, be difficult to the sealing state before returning to filler and easily damage piston, for liquid condition shaping material, syringe type extrusion device is easy to be embodied as extruding of shaped material, but for formed solid material, as being solid-state chocolate under above-mentioned normal temperature, if the solid chocolate rod in chocolate reservoir and the reserved gap be applicable to of nothing between container inside wall, propelling movement extruding is carried out again after needing that whole chocolate bars is all heated to molten condition, constant temperature heating device needs to wrap up whole chocolate reservoir and the waste easily causing heat energy, in addition, the complexity inserting this procedure chocolate to chocolate reservoir is added in order to realize the reserved gap that is applicable between chocolate bars and chocolate reservoir madial wall.
Summary of the invention
Main purpose of the present invention is to provide a kind of print cartridge be removably installed on three-dimensional printer, is intended to simplification and carries out the operation of filler to this print cartridge and improve its service life;
Another object of the present invention is to provide a kind of three-dimensional printer with above-mentioned print cartridge;
Another object of the present invention is to provide a kind of method using above-mentioned three-dimensional printer to carry out printing three-dimensional body.
In order to realize above-mentioned main purpose, the invention provides a kind of print cartridge be removably installed on three-dimensional printer, this print cartridge is used for the 3 D-printing process supply moulding material for three-dimensional printer, and it comprises container, discharging opening and driving force acceptance division; Wherein, container is for holding moulding material, the sidewall of this container comprises deformable segment and makes the variable volume of container, discharging opening is used for being connected with the import of printing nozzle, the driving force that driving force acceptance division exports for the drive force output received from three-dimensional printer, to make the volume of container diminish, the moulding material in container is extruded by from discharging opening.
From above scheme, because this print cartridge is removably installed on three-dimensional printer, the replacing different moulding material print cartridge and moulding material being exhausted to print cartridge can be convenient to; Owing to having the container for holding moulding material, and the sidewall of this container comprises deformable segment, by making deformable segment be out of shape to print cartridge applying driving force from extrusion molding material in container, in print procedure, to the distortion from deformable segment of the extruding force of moulding material, this print cartridge can carry out repeatedly filler and can not affect its feeding performance, and filler operation is simple, and the physical dimension of drive force output on three-dimensional printer is also compact.
Concrete scheme is that above-mentioned deformable part is divided into bellows structure, and the driving force that drive force output exports driving force acceptance division is along the scalable direction of bellows structure.
Because deformable part is divided into bellows structure, the single ripple portion of bellows structure can be utilized fully to compress separately and multiple ripple portion can carry out the characteristic compressed simultaneously, the heater carrying out for formed solid material heating just can print without the need to covering whole bellows structure completely.Stopping in the process printed, the elastic restoring force of bellows structure self can be used for preventing liquid condition shaping material from flowing out from discharge outlet under gravity.
Preferred scheme is that above-mentioned print cartridge also comprises the printing nozzle be fixedly connected with its box body, and the import of printing nozzle is docked with the discharging opening of print cartridge.Changed printing nozzle in the process changing print cartridge simultaneously, effectively prevent from using the pollution between different batches or different materials moulding material, without the need to cleaning printing nozzle in the process changing print cartridge, can clean in filler process again, not affecting the carrying out of print procedure.
In order to realize another object above-mentioned, the print cartridge that three-dimensional printer provided by the invention comprises control unit, objective table, drive force output, printing nozzle and is removably installed on three-dimensional printer; The controlled unit controls ground of printing nozzle can move as three dimensions relative to objective table, namely the frame comprising printing nozzle relative dimensional printer is static and objective table can move as three dimensions relative to frame, relative to frame is static, printing nozzle can move as three dimensions relative to frame objective table, or objective table is all removable relative to frame with printing nozzle; Print cartridge is used for the 3 D-printing process supply moulding material for three-dimensional printer, it comprises container, discharging opening and driving force acceptance division, container is for holding above-mentioned moulding material, the sidewall of this container comprises deformable segment and makes its variable volume, and discharging opening is used for being connected with the import of printing nozzle; Drive force output is used for the driving force acceptance division output drive strength to print cartridge, and to make the volume of container diminish, moulding material is extruded by the outlet from printing nozzle through discharging opening.
Concrete scheme is that above-mentioned deformable part is divided into bellows structure, and the driving force that drive force output exports driving force acceptance division is along the scalable direction of bellows structure.
Preferred scheme is that above-mentioned three-dimensional printer also comprises and is placed on deformable part ring shaped heating mechanism exceptionally, and an openend of this ring shaped heating mechanism is positioned near discharge outlet.Can print needing the moulding material being heated to molten condition.
In order to realize another object above-mentioned, the print cartridge that three-dimensional printer provided by the invention comprises control unit, drive force output, objective table and is removably installed on three-dimensional printer; Print cartridge is used for the 3 D-printing process supply moulding material for three-dimensional printer, it printing nozzle comprising container, discharging opening, driving force acceptance division and be fixedly connected with the box body of print cartridge, the import of printing nozzle is docked with discharging opening, container is for holding above-mentioned moulding material, and the sidewall of this container comprises deformable segment and makes its variable volume; Drive force output is used for the driving force acceptance division output drive strength to print cartridge, and to make the volume of container diminish, above-mentioned moulding material is extruded by the outlet from printing nozzle through discharging opening; The controlled unit controls ground of objective table can move as three dimensions relative to printing nozzle, namely the frame comprising printing nozzle relative dimensional printer is static and objective table can move as three dimensions relative to frame, relative to frame is static, printing nozzle can move as three dimensions relative to frame objective table, or objective table is all removable relative to frame with printing nozzle.
Concrete scheme is that above-mentioned deformable part is divided into bellows structure, and the driving force that drive force output exports driving force acceptance division is along the scalable direction of bellows structure.
Preferred scheme is that above-mentioned three-dimensional printer also comprises and is placed on deformable part ring shaped heating mechanism exceptionally, and an openend of this ring shaped heating mechanism is positioned near discharge outlet.
In order to realize an above-mentioned object again, the invention provides the method using above-mentioned three-dimensional printer to carry out printing three-dimensional body and comprise the following steps: the first printing step, control unit controls printing nozzle and prints three-dimensional body according to predefined procedure; Suck air step, when the volume of container is compressed into minimum, control unit driving force output device drives the volume of container to become large, thus sucks a certain amount of air to the inner chamber of container; Second printing step, control unit controls printing nozzle and proceeds to print three-dimensional body.
From above scheme, suck a certain amount of air by the inner chamber to container in print procedure, can effectively reduce the moulding material residued in print cartridge, the utilization rate improving moulding material and the pollution reduced environment.
Accompanying drawing explanation
Fig. 1 is the structural representation of three-dimensional printer first embodiment of the present invention;
Fig. 2 is the front view of print cartridge first embodiment of the present invention;
Fig. 3 is the structure chart of print cartridge first embodiment of the present invention;
Fig. 4 reflects that three-dimensional printer first embodiment of the present invention is in print procedure, the schematic diagram of print cartridge, printing nozzle and ring shaped heating mechanism position relationship;
Fig. 5 is the workflow diagram of 3 D-printing method of the present invention;
Fig. 6 is the front view of print cartridge second embodiment of the present invention;
Fig. 7 is the front view of print cartridge of the present invention 3rd embodiment;
Fig. 8 is the structural representation of three-dimensional printer of the present invention 4th embodiment;
Fig. 9 is the structural representation that three-dimensional printer of the present invention 5th embodiment omits printing nozzle and print cartridge;
Figure 10 is the structural representation that three-dimensional printer of the present invention 7th is implemented;
Figure 11 is the structural representation of three-dimensional printer of the present invention 8th embodiment;
Figure 12 is the workflow diagram print cartridge for splendid attire formed solid material being carried out again to filler;
Figure 13 is the workflow diagram print cartridge for splendid attire liquid condition shaping material being carried out again to filler.
Below in conjunction with drawings and Examples, the invention will be further described.
Detailed description of the invention
The present invention mainly improves the structure of the print cartridge for the 3 D-printing process supply moulding material to three-dimensional printer, only be described the structure of print cartridge in specific embodiment, other parts of three-dimensional printer design according to existing three-dimensional printer product.Following embodiment is for chocolate solid-state under normal temperature for moulding material carries out printing chocolate cake, and the present invention will be described.
Print cartridge, three-dimensional printer and 3 D-printing method first embodiment
See Fig. 1, three-dimensional printer 1 is made up of frame, control unit, print cartridge 11, ring shaped heating mechanism 12, printing nozzle 13, objective table 14 and drive force output 15.Wherein, control unit, ring shaped heating mechanism 12 and printing nozzle 13 are directly fixed in frame, and the lower end of print cartridge 11 is removably fixed on the upper end of printing nozzle 13, and the discharging opening of print cartridge 11 docks with the import of printing nozzle 13.Drive force output 15 is made up of with vertical guide rail screw mandrel 152, slide block 153 and the drive motors 151 be fixed in frame, screw mandrel 152 connects with the armature spindle of drive motors 151, slide block 153 is provided with the feed screw nut matched with screw mandrel 152, and slide block 153 moves axially along screw mandrel by the constraint of vertical guide rail.Control unit controls objective table 14 and can move in the X-Y plane of level relative to frame and can move by Z axis vertically.Ring shaped heating mechanism 12 is placed on outside the Lower Half of print cartridge 11, and the end face of its lower open end is positioned near the discharging opening of print cartridge 11.The upper end of print cartridge 11 is driving force acceptance division, and this driving force acceptance division and slide block 153 are for be removably fixedly connected with.By the driving of drive motors 151, screw mandrel 152 coordinates with feed screw nut's, and the coordinating of slide block 153 and vertical guide rail, slide block 153 can drive the driving force acceptance division of print cartridge 11 to move along Z axis by double-head arrow direction in Fig. 1, thus drive bellows structure in print cartridge 11 vertically to stretch, from outlet extrusion molding material or the suction air of printing nozzle 13.
See Fig. 2; print cartridge 11 is made up of container 112, discharging opening, driving force acceptance division 111 and seal 114; seal 114 is a sealing sheath being placed on outside discharging opening; for sealing and protection discharging opening; in use; first taken off from discharging opening by sealing sheath, then be installed on three-dimensional printer by print cartridge 11, container 112 is a bellows structure.
See Fig. 3, the inner chamber 1121 of container 112 is for holding chocolate; Driving force acceptance division 111 is formed with an import, this import is sealed by sealing-plug 1111, after taking off sealing-plug 1111, is convenient to carry out cleaning-drying to inner chamber 1121 and fill to it chocolate; Seal 114 is for sealed discharging mouth 113.
See Fig. 4, ring shaped heating mechanism 12 can the semi-ring body 121 of folding be formed by two.The process be mounted to by print cartridge 11 on three-dimensional printer is: by ring shaped heating mechanism 12 two halves separately, driving force acceptance division 111 is installed on the slide block 153 of drive force output 15, again the lower end of print cartridge 11 is fixed in frame, between the import of its discharging opening and printing nozzle 13, is equipped with the elastic seal ring that is in compressive state; Along with the carrying out of 3 D-printing process, the ripple portion 1122 in bellows structure is by the heating chamber progressively compressed into ring shaped heating mechanism 12, until whole bellows structure is compressed in the heating chamber of ring shaped heating mechanism 12.
Fig. 5, the process using three-dimensional printer 1 to carry out printing three-dimensional body is made up of the first printing step S11, suction air step S12 and the second printing step S13.
First printing step S11, the chocolate that control unit controls in heater 12 pairs of container 112 bottoms is heated to molten condition, control objective table 14 and move to printing start position, while driving force output device 15 drives print cartridge 11 to extrude its bellows structure, control objective table 14 to move in the X-Y plane of level, thus print the ground floor slicing layer of chocolate cake; Control objective table 14 moves down second layer slicing layer thickness distance along Z axis, while driving force output device 15 drives print cartridge 11 to extrude its bellows structure, control objective table 14 to move in the X-Y plane of level, thus print the second layer slicing layer of chocolate cake, after this, chocolate cake is printed layer by layer according to predetermined order.
Suck air step S12, when bellows structure compresses on vertical completely, namely when the volume of container is compressed into minimum, the inner side of two side, ripple portion as shown in Figure 3 1123 and 1124 is close together, now, the chocolate of partially molten state is also remained in the passage 1125 of bellows structure inner chamber, control unit controls drive motors 151 and reverses, bellows structure is vertically stretched, thus bleed from the outlet of printing nozzle and suck the inner chamber of container 112, the cumulative volume of the air sucked should be more than or equal to the volume of the chocolate residued in passage 1125, can suck several times, also can disposablely suck.
Second printing step S13, control unit driving force output device 15, objective table 14 and heater 12 work on, and proceed to print chocolate cake.
Carry out using above-mentioned three-dimensional printer printing in the process of three-dimensional body, suction air step S12 and the second printing step S13 can be carried out as required, thus the chocolate residued in the passage of bellows structure is extruded, particularly for the print cartridge expanding passage 1125 cross-sectional area in order to improve capacity, the method is suitable in the extreme.
For this routine three-dimensional printer, in the process printing three-dimensional body, guarantee that ripple portion that in bellows structure, at least one does not compress completely is positioned at the heating chamber of ring shaped heating mechanism, to make carrying out smoothly of print procedure.
Print cartridge, three-dimensional printer and 3 D-printing method second embodiment
As the explanation to print cartridge of the present invention, three-dimensional printer and 3 D-printing method second embodiment, only the difference with above-mentioned print cartridge, three-dimensional printer and 3 D-printing method first embodiment is described below.
See Fig. 6, the driving force acceptance division of print cartridge 21 is be located at the link 212 on container 211 upper end.Slide block on the drive force output of three-dimensional printer is formed with the connecting portion matched with link 212.
Print cartridge, three-dimensional printer and 3 D-printing method the 3rd embodiment
As to the 3rd explanation of embodiment of print cartridge of the present invention, three-dimensional printer and 3 D-printing method, only the difference with above-mentioned print cartridge, three-dimensional printer and 3 D-printing method first embodiment is described below.
See Fig. 7, the lower end of the container 312 of print cartridge 31 is fixedly connected with printing nozzle 314, and the import of printing nozzle 314 is docked with discharging opening, and on printing nozzle 314, removably cover has sealing sheath, for sealing and protection printing nozzle 314.The frame of three-dimensional printer is not fixed with printing nozzle, only need the lower end of print cartridge 31 is fixed in the frame of three-dimensional printer, effectively can guarantees the sealing between the import of printing nozzle 314 and discharging opening.Carry out using three-dimensional printer printing in the process of three-dimensional body, while changing print cartridge 31, printing nozzle is changed, thus prevent from being polluted between different moulding material by printing nozzle, be convenient to clean printing nozzle, simplify the process changing print cartridge.
Print cartridge, three-dimensional printer and 3 D-printing method the 4th embodiment
As to the 4th explanation of embodiment of print cartridge of the present invention, three-dimensional printer and 3 D-printing method, only the difference with above-mentioned print cartridge, three-dimensional printer and 3 D-printing method first embodiment is described below.
See Fig. 8, three-dimensional printer 4 is nearby provided with a cooling device 46 at printing nozzle 43, for from printing nozzle 43, the molten condition chocolate be extruded on objective table 44 cools.
Print cartridge, three-dimensional printer and 3 D-printing method the 5th embodiment
As to the 5th explanation of embodiment of print cartridge of the present invention, three-dimensional printer and 3 D-printing method, only the difference with above-mentioned print cartridge, three-dimensional printer and 3 D-printing method first embodiment is described below.
See Fig. 9, three-dimensional printer 5 has walking mechanism 52, printing nozzle is fixedly installed in walking mechanism 52, control unit drives printing nozzle to move in the X-Y plane of level by controlling walking mechanism 52, control objective table 54 to move along vertical Z axis simultaneously, print cartridge and drive force output are fixed in frame 51, the discharging opening of print cartridge is connected with the import of printing nozzle by a flexible pipe, flexible pipe shell parcel heat-insulation layer or heating layer, to be reduced to the attenuating of shaped material temperature in transport process.
Print cartridge, three-dimensional printer and 3 D-printing method the 6th embodiment
As to the 6th explanation of embodiment of print cartridge of the present invention, three-dimensional printer and 3 D-printing method, below only to above-mentioned print cartridge, three-dimensional printer and 3 D-printing method the 5th the difference of embodiment be described.
Printing nozzle is fixed on the lower end of print cartridge, and print cartridge and drive force output are all removably installed in walking mechanism.
Print cartridge, three-dimensional printer and 3 D-printing method the 7th embodiment
As to the 7th explanation of embodiment of print cartridge of the present invention, three-dimensional printer and 3 D-printing method, only the difference with above-mentioned print cartridge, three-dimensional printer and 3 D-printing method first embodiment is described below.
See Figure 10, one heater 711 is installed in the inner chamber bottom of print cartridge 71, the upper end 7111 of heater 711 is higher than the junction 716 of first wave portion 714 with Second Wave portion 715, and when the bellows structure of print cartridge 71 compresses completely, upper end 7111 is positioned at the inner chamber going up a ripple portion 717 most; The lower end of print cartridge 71 is formed with the electrode 712 and 713 for powering for heater 711.Three-dimensional printer is provided with the mount pad 72 for installing print cartridge 71 lower end, mount pad 72 is formed with accordingly the electrode 721 and 722 matched with electrode 712 and 713.The shape of four electrodes can be following in one: electrode 712, electrode 713, electrode 721 and electrode 722 are annular conductive body; Electrode 712 and electrode 713 are block electric conductor, and electrode 721 and electrode 722 are annular conductive body; Electrode 712 and electrode 713 are annular conductive body, and electrode 721 and electrode 722 are block electric conductor; Electrode 712 and electrode 722 are block electric conductor, and electrode 713 and electrode 721 are annular conductive body; Electrode 713 and electrode 721 are block electric conductor, and electrode 712 and electrode 722 are annular conductive body; Or electrode 712, electrode 713, electrode 721 and electrode 722 are block electric conductor, in installation process, be located at mount pad 72 guide with the bootstrap block on print cartridge 71 both dock.
Ringless-type heater on three-dimensional printer in this example, the heater be placed in print cartridge can save heating energy source.
Print cartridge, three-dimensional printer and 3 D-printing method the 8th embodiment
As to the 8th explanation of embodiment of print cartridge of the present invention, three-dimensional printer and 3 D-printing method, only the difference with above-mentioned print cartridge, three-dimensional printer and 3 D-printing method first embodiment is described below.
See Figure 11, in order to monitor moulding material surplus in print cartridge, from top to bottom, be provided with electrode 811, electrode 812 and other three unillustrated electrodes at the crest location place in each ripple portion, three-dimensional printer be provided with and these five electrodes electrode guide rail 821, electrode guide rail 822 and other three electrode guide rails one to one.Electrode guide rail is two and is parallel to each other and the resistance tube of not conducting formation.
For coordinating between electrode 811 with electrode guide rail 821, two resistance tubes of electrode guide rail 821 are by electrode 811 conducting, along with the slip of electrode 811 on electrode guide rail 821, in the conducting loop that electrode 811 and two resistance tubes are formed, total resistance value is also along with change, detect the position in each ripple portion, thus can monitor moulding material surplus in print cartridge 81.
Resistance tube also can be used as the guide rail of bellows structure vertically movement, thus guides the flexible track of bellows structure.
Monitoring for each ripple position also can adopt setting position sensor in different ripple portion to monitor, such as photoelectric sensor, Magnetic Sensor, range sensor etc.
In the various embodiments described above, after print cartridge moulding material within it exhausts, proceed to use, to save material and to preserve the ecological environment by filler again.
See Figure 12, to the print cartridge for holding formed solid material, its again filling method by heat cleaning S21, drying steps S22, filler step S23 and sealing step S24 form.
Heating cleaning S21, heats print cartridge and clean, adopts the method such as hot bath or chemical agent bath to carry out heating and cleaning according to the physical characteristic of moulding material and chemical characteristic.
Drying steps S22, print cartridge removing being residued in moulding material in inner chamber carries out drying process.
Filler step S23, inserts the moulding material of scheduled volume in the inner chamber of print cartridge by material injecting device.
Sealing step S24, seals print cartridge discharging opening with seal.
In above-mentioned sealing step S24, if this print cartridge has printing nozzle, then sealing sheath is adopted to seal printing nozzle.
See Figure 13, for the print cartridge for holding liquid condition shaping material, its again filling method by cleaning-drying step S31, filler step S32 and sealing step S33 form.
Cleaning-drying step S31, cleans print cartridge, removes the moulding material residued in inner chamber, and carries out drying process to the print cartridge after cleaning up.
Filler step S32, inserts the moulding material of scheduled volume to the inner chamber of print cartridge by material injecting device.
Sealing step S33, seals with the discharging opening of seal to print cartridge.
At above-mentioned two kinds again in filling method, seal, except the sealing sheath in the various embodiments described above, also can be selected from the sealing-plug matched with feeding container discharging opening, and sealing tinfoil, has the bottle cap of sealed liner or have the bottle cap etc. of hasp.Dry and sealing be there is no to the moulding material of particular/special requirement, without the need to sealing or covering discharging opening with non-tight bottle cap.
By installing consumable chip on print cartridge, the data messages such as producer, the physical parameter such as volume of print cartridge, the actual volume of forming material material, the physics printing desired parameters and moulding material and chemical characteristic are stored in this consumable chip, when print cartridge is mounted on three-dimensional printer, the control unit of three-dimensional printer will read corresponding data information from consumable chip; In filler process again, how to carry out adding thermal cleaning to determine to adopt by the data message read in consumable chip.
In the various embodiments described above, bellows structure is cylinder-like structure, and namely edge is circular perpendicular to the cross section in its scalable direction, and this cross section also can be non-circular, and the profile of bellows structure also has multiple apparent change.Three-dimensional printer can also comprise the guide rail be positioned at outside print cartridge bellows structure, at print procedure, the crest end points in the ripple portion of bellows structure will move along guide rail, thus prevent bellows structure from bending in print procedure, thus effectively guarantee that bellows structure can vertically stretch.
Adjacent several or all adopt one-time formed mode to make together in driving force acceptance division, container, discharging opening and printing nozzle in print cartridge, re-use the modes such as welding after also can separately making and carry out being assembled into one.Bellows structure adopts the metal material of good heat conductivity or plastic or other material to make, and the selection of concrete material can be selected according to the physics of held moulding material and chemical characteristic.For producing the not strong print cartridge of bellows structure elastic restoring force, a spring can be arranged or support a spring between its outside two ends, for strengthening elastic restoring force and the bending strength of bellows structure in the interior of bellows structure.
The container that in the various embodiments described above, the bellows structure of print cartridge and its two ends are formed also is commonly called as spring bottle; This bellows structure also can adopt helical spring outer wrapping one deck moccasin layer, and the part that moccasin layer contacts with helical spring is fixedly connected with helical spring, thus forms one along the compressible structure of helical spring axis.For this part, central scope of the present invention realizes moulding material being extruded container or air etc. being sucked container by the distortion of container side wall, and according to this design, the structure of this part also has multiple apparent change.
In the various embodiments described above with chocolate solid-state under normal temperature for moulding material carries out printing three-dimensional body, its moulding material also can need carry out being heated to the just printable moulding material of molten condition for other, also can be the moulding material of liquid state under normal temperature; For moulding material liquid under normal temperature, three-dimensional printer can omit ring shaped heating mechanism.For moulding material liquid under normal temperature, the driving force acceptance division of the print cartridge in embodiment one can be hermetically-sealed construction, its driving force acceptance division inside can form the chamber for holding moulding material, for formed solid material, the print cartridge of this structure also can be used to carry out splendid attire.
Claims (10)
1. print cartridge, for the 3 D-printing process supply moulding material for three-dimensional printer, described print cartridge is removably installed on described three-dimensional printer;
It is characterized in that:
Container, described container is for holding described moulding material, and the sidewall of described container comprises deformable segment and makes the variable volume of described container;
Discharging opening, described discharging opening is used for being connected with the import of printing nozzle;
Driving force acceptance division, the driving force that described driving force acceptance division exports for the drive force output received from described three-dimensional printer, to make the volume of described container diminish, described moulding material is extruded by from described discharging opening.
2. print cartridge according to claim 1, is characterized in that:
Described deformable part is divided into bellows structure, and described driving force is along the telescopic direction of described bellows structure.
3. print cartridge according to claim 1 or 2, is characterized in that:
Also comprise be fixed on described print cartridge box body on described printing nozzle, the import of described printing nozzle is docked with described discharging opening.
4. three-dimensional printer, comprises control unit, objective table and printing nozzle, and described printing nozzle controls to move as three dimensions relative to described objective table by described control unit;
It is characterized in that:
Print cartridge, for the 3 D-printing process supply moulding material for described three-dimensional printer, described print cartridge comprises container, discharging opening and driving force acceptance division;
Described container is for holding described moulding material, and the sidewall of described container comprises deformable segment and makes the variable volume of described container;
Described discharging opening is connected with the import of described printing nozzle;
Drive force output, described drive force output is used for described driving force acceptance division output drive strength, and to make the volume of described container diminish, described moulding material is extruded by the outlet from described printing nozzle through described discharging opening;
Described print cartridge is removably installed on described three-dimensional printer.
5. three-dimensional printer according to claim 4, is characterized in that:
Described deformable part is divided into bellows structure, and described driving force is along the telescopic direction of described bellows structure.
6. three-dimensional printer according to claim 4 or 5, is characterized in that:
Also comprise the ring shaped heating mechanism be placed on outside described container, an openend of described ring shaped heating mechanism is positioned near described discharging opening.
7. three-dimensional printer, comprises control unit and objective table;
It is characterized in that:
Print cartridge, for the 3 D-printing process supply moulding material for described three-dimensional printer, the printing nozzle that described print cartridge comprises container, discharging opening, driving force acceptance division and is fixed on the box body of described print cartridge, the import of described printing nozzle is docked with described discharging opening;
Described container is for holding described moulding material, and the sidewall of described container comprises deformable segment and makes the variable volume of described container;
Drive force output, described drive force output is used for described driving force acceptance division output drive strength, and to make the volume of described container diminish, described moulding material is extruded by the outlet from described printing nozzle through described discharging opening;
Described print cartridge is removably installed on described three-dimensional printer, and described objective table controls to move as three dimensions relative to described printing nozzle by described control unit.
8. three-dimensional printer according to claim 7, is characterized in that:
Described deformable part is divided into bellows structure, and described driving force is along the telescopic direction of described bellows structure.
9. three-dimensional printer according to claim 7 or 8, is characterized in that:
Also comprise and be placed on described deformable part ring shaped heating mechanism exceptionally, an openend of described ring shaped heating mechanism is positioned near described discharging opening.
10. 3 D-printing method, uses three-dimensional printer described in claim 4,5,7 or 8 to carry out printing three-dimensional body;
The method comprises the following steps:
First printing step, described control unit controls described printing nozzle and prints three-dimensional body according to predefined procedure;
Suck air step, when the volume of described container is compressed into minimum, described control unit controls described drive force output and drives the volume of described container to become large, thus sucks a certain amount of air to described container;
Second printing step, described control unit controls described printing nozzle and proceeds to print three-dimensional body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510039826.3A CN104589653A (en) | 2015-01-26 | 2015-01-26 | Print cartridge, three-dimensional printer and three-dimensional printing method |
Applications Claiming Priority (1)
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| CN109310139A (en) * | 2016-07-11 | 2019-02-05 | 三星电子株式会社 | Sleeve assembly, cartridge unit, food form module and cooking equipment |
| CN111094003A (en) * | 2017-10-05 | 2020-05-01 | 惠普发展公司，有限责任合伙企业 | Guide part for printing material container |
| CN113329882A (en) * | 2019-07-08 | 2021-08-31 | 惠普发展公司有限责任合伙企业 | Device for supplying printing material |
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Application publication date: 20150506 |