CN112936859A

CN112936859A - 3D printing pen and using method thereof

Info

Publication number: CN112936859A
Application number: CN202110334979.6A
Authority: CN
Inventors: 魏宏辉
Original assignee: Jiangsu Haoyu Electronic Technology Co ltd
Current assignee: Jiangsu Haoyu Electronic Technology Co ltd
Priority date: 2021-03-29
Filing date: 2021-03-29
Publication date: 2021-06-11
Also published as: WO2022205636A1

Abstract

The invention discloses a 3D printing pen and a using method thereof.A pen main body is provided with a nozzle and a power supply part, a channel for consumables to pass through is arranged in the pen main body, the pen main body is also provided with a dyeing mechanism, the dyeing mechanism comprises a driving mechanism and a plurality of dyeing pieces, and the driving mechanism pushes the dyeing pieces to dye the consumables; the wire feeding mechanism is used for transmitting the consumable materials to the nozzle; the heating part is used for heating and melting the consumable; and the stirring mechanism is used for stirring the molten consumable. The invention has the following advantages and effects: adopt the mode that sets up a plurality of groups dyeing mechanism, advance silk mechanism and rabbling mechanism in the pen main part, the colored consumptive material after the dyeing is extruded from the nozzle and is realized 3D and draw after the rabbling mechanism hot melt stirring, has rich color, interesting strong, nimble, various effect, and it is more convenient to use.

Description

3D printing pen and using method thereof

Technical Field

The invention relates to the technical field of 3D printing, in particular to a 3D printing pen and a using method thereof.

Background

With the development of science and technology, 3D printing technology is more and more generally applied to various fields, and meanwhile, 3D printing technology also appears in people's lives in the form of more various types of products, such as a 3D printing pen is just one of them. The removal that passes through the arm drive with the 3D printer and print the shower nozzle realizes that 3D prints the difference: the 3D printing pen is controlled by a hand of a person, the 3D printing pen can realize three-dimensional drawing according to the will of the person, namely, a user can draw three-dimensional patterns in a three-dimensional environment only through traditional painting brush operation. Currently, 3D print pens use hot melt deposition technology, in which pen inks use hot melt materials, such as PLA (polylactic acid) materials or ABS (acrylonitrile-butadiene-styrene copolymer) materials, also commonly referred to as consumables. In the using process, the hot melting material in the 3D printing pen is heated and then extruded out of the pen point, and then the hot melting material is cooled to form a 3D drawn pattern.

The prior chinese patent with publication number CN205326305U discloses a 3D printing pen, which comprises a housing, wherein a nozzle is arranged at one end of the housing, and the housing is at least provided with two feeding and discharging ports, a driving module, a heat dissipation module, an ejection module and a control module. In the use, can insert the consumptive material of multiple different colours simultaneously in the casing, but can't realize hot melt colour mixture simultaneously between the different consumptive materials, the color is more single, can't realize multiple colour mixed use.

The existing 3D printing pen only adopts monochrome consumables, and in the drawing process, a user needs to add consumables with different colors into the printing pen to realize color switching when changing colors, so that the following defects exist: on one hand, the color is single, the using process is tedious, and on the other hand, consumables with different colors need to be replaced frequently, so that the defect of inconvenient use exists.

Disclosure of Invention

The invention aims to provide a 3D printing pen which adopts a mode of dyeing consumables and has the effects of rich colors, strong interestingness, flexibility, diversity and uniform dyeing. Another object of the present invention is to provide a method for using a 3D printing pen, which has an effect of being more convenient to use.

The technical purpose of the invention is realized by the following technical scheme: A3D printing pen comprises a pen main body, wherein the pen main body is provided with a nozzle, a channel for consumables to pass through is formed in the pen main body, and the pen main body is further provided with a nozzle

The dyeing mechanism comprises a driving mechanism and a dyeing piece, and the driving mechanism pushes the dyeing piece to dye the consumable;

the wire feeding mechanism is used for transmitting the consumable materials to the nozzle;

the heating part is used for heating and melting the consumable;

and the stirring mechanism is used for stirring the molten consumable.

Through adopting the above-mentioned technical scheme, in the use, send the consumptive material into in the passageway of pen main part earlier, power supply part circular telegram back, actuating mechanism drive dyeing piece dyes the consumptive material lateral wall, the consumptive material after advancing the silk mechanism drive dyeing is carried to rabbling mechanism, when the consumptive material after dyeing stretches into to the rabbling mechanism in, the heater block heats solid-like colored consumptive material in the rabbling mechanism, make its melting, afterwards, the rabbling mechanism can stir the molten consumptive material, when advancing silk mechanism promotion consumptive material to the rabbling mechanism motion, the consumptive material front end still can promote the extrusion of molten colored consumptive material from the nozzle, can realize 3D three-dimensional drawing, cooperation through multiunit dyeing mechanism, can dye various colors to the consumptive material, thus, it is abundant to have the color, interesting strong, flexibility, it is diversified, the even effect dyes.

The invention is further provided with: the pen main body is further provided with a color changing turntable, the color changing turntable is in control fit with the dyeing mechanism, and the color changing turntable is used for controlling the switching of the driving mechanism to the dyeing piece.

Through adopting above-mentioned technical scheme, the user accessible rotates and trades the look carousel, controls to realize trading the look process between the different dyeing mechanism of group, and the user can select different colours to dye the consumptive material by oneself according to own hobby, so, need not to change the consumptive material, can realize polychrome conversion on same root consumptive material, need not to purchase the consumptive material of different colours, and the cost is also lower.

The invention is further provided with: the driving mechanism comprises a sliding block, and the sliding block moves towards the direction close to the dyeing piece, so that the dyeing piece is close to the consumable.

By adopting the technical scheme, when the consumable is dyed, the sliding block moves towards the direction close to the dyeing piece until the dyeing piece is attached to the side wall of the consumable; when dyeing is finished, the sliding block resets to enable the dyeing piece to be far away from the consumable.

The invention is further provided with: the driving mechanism also comprises a color changing motor and an eccentric wheel disc arranged on an output shaft of the color changing motor, the eccentric wheel disc comprises an eccentric column, the sliding block is provided with a strip-shaped groove, and the eccentric column is in sliding fit with the strip-shaped groove; a sliding groove for sliding the sliding block is arranged in the pen main body.

Through adopting above-mentioned technical scheme, when trading the look motor and starting, drive eccentric rim plate and rotate, when eccentric rim plate rotated, under the cooperation drive effect of eccentric post and bar groove for the slider is to being close to or keeping away from dyeing part motion along the spout, can realize the process that the slider promoted dyeing part.

The invention is further provided with: be provided with driver part in the pen main part, driver part and advance and be equipped with first transmission assembly between silk mechanism, be equipped with second transmission assembly between driver part and rabbling mechanism, driver part acts on in step advance silk mechanism and rabbling mechanism.

Through adopting above-mentioned technical scheme, in the use, the driver part starts the back, advances the motion of silk mechanism through first drive assembly drive, advances silk mechanism with consumptive material to nozzle internal transfer, still drives the lazytongs synchronous motion through the second drive assembly in addition, and lazytongs can stir the mixing to the fused consumptive material, so for advance silk and stirring process go on in step, realize the ejection of compact while stirring, the difficult disconnected material phenomenon that appears. In addition, on one hand, the single-drive double-output mode is adopted, the energy-saving and consumption-reducing effects are achieved, and on the other hand, the overall structure layout has the effect of being more compact in structure and convenient to hold by a user.

The invention is further provided with: the first transmission assembly comprises a first reversing gear; the second transmission assembly comprises a stirring transmission gear, and the first reversing gear and the stirring transmission gear are coaxially arranged at the output end of the driving part.

By adopting the technical scheme, when the driving part is started, the output end simultaneously drives the first reversing gear and the stirring transmission gear to rotate, so that the same driving part can be adopted to simultaneously realize double output through the first transmission assembly and the second transmission assembly.

The invention is further provided with: the wire feeding mechanism comprises a wire feeding gear set, the wire feeding gear set comprises a wire feeding main gear and a wire feeding driven wheel, a wire feeding channel is formed between the wire feeding main gear and the wire feeding driven wheel, and the wire feeding main gear is provided with a rotating shaft; the first transmission assembly further comprises a second reversing gear arranged on the rotating shaft, and the second reversing gear is meshed with the first reversing gear.

Through adopting above-mentioned technical scheme, the consumptive material is sent into and is sent a passageway in, send a master gear and send a driving wheel to be located the consumptive material both sides respectively to produce certain clamp force to the consumptive material lateral wall, when first reversing gear rotates, drive the rotation of second reversing gear, second reversing gear drives through the pivot and send a master gear rotation, because the consumptive material lateral wall pastes in the lateral wall of sending a master gear, when sending a master gear rotation, can with send a data link to realize advancing the data transfer process of silk from the cooperation of driving wheel to the consumptive material.

The invention is further provided with: the stirring mechanism comprises a stirring pipe for feeding consumables, and the stirring pipe is rotatably arranged in the pen main body; a stirring cavity is formed in the nozzle, and the stirring pipe is communicated with the stirring cavity.

Through adopting above-mentioned technical scheme, send into the lateral wall to the agitator tube through the consumptive material of polychrome dyeing, make the consumptive material front end stretch into to the stirring chamber in, the heater block generates heat, the colored consumptive material hot melt of stirring intracavity, driver part starts the back, drive the agitator tube and rotates, so, the agitator tube can stir the mixture to the molten colored consumptive material in the stirring chamber, make the consumptive material stirring of different colours even, still can promote colored consumptive material to the nozzle motion in the stirring, promote the in-process and can extrude the colored consumptive material of stirring intracavity stirring from the nozzle, so, can realize polychrome mix in the use, the colour mixture is more even after the stirring, the color is better.

The invention is further provided with: the front end of the stirring pipe is provided with a stirring blade.

The invention is further provided with: the second transmission component also comprises a connecting sleeve and a stirring pipe gear coaxially arranged on the connecting sleeve, the stirring pipe gear is meshed with the stirring transmission gear, and the connecting sleeve is coaxially sleeved on the stirring pipe.

Through adopting above-mentioned technical scheme, because the heater block heats the stirring intracavity, adopt the adapter sleeve to connect in the mode of the rear end of stirred tubular, separately set up adapter sleeve and stirred tubular into two parts, can prevent to a certain extent that the consumptive material from entering into to the stirring intracavity before, because the heat-conduction that receives the stirred tubular takes place melting in advance, the phenomenon of softening, adopt the adapter sleeve to carry out certain thermal-insulated back, can be convenient for push the consumptive material, prevent to send a gear train to skid and gnaw the material.

The other technical purpose of the invention is realized by the following technical scheme: a method for using a 3D printing pen comprises the following steps:

s1, electrifying, wherein the power supply part provides power for the electric part;

s2, heating, namely electrifying the heating component to generate heat;

s3, loading the consumable, and feeding the consumable into the channel of the pen main body until the consumable extends into the wire feeding mechanism;

s4, dyeing, wherein the dyeing part is selectively driven to be close to the consumable material by controlling the driving mechanism through the color changing turntable, and the dyeing mechanism performs a dyeing process on the consumable material extending into the channel to form required color consumable material;

s5, feeding and stirring, wherein the feeding mechanism drives the consumable materials to feed, and meanwhile, the stirring mechanism stirs the dyed and heated and melted color consumable materials;

and S6, feeding and extruding, wherein the feeding mechanism pushes the consumable materials to move towards the nozzle, and pushes the uniformly stirred molten color consumable materials to be extruded from the nozzle.

Through adopting above-mentioned technical scheme, the consumptive material lateral wall can dye multiple colour, and the user can freely select the colour according to self wish, and the colour consumptive material after the dyeing forms the even colour melting consumptive material of color after the heating stirring, and the effect of drawing a picture is better, so, has convenient to use, the cost is lower, the better effect of drawing a picture.

The invention is further provided with: s4 includes the following staining procedures:

s1, adjusting the color changing turntable to a position, wherein the first dyeing piece and the second dyeing piece are not dyed, and at the moment, the melting consumable extruded by the pen main body is in the natural color;

s2, adjusting the color changing control piece to a two-position, enabling the first sliding block to push the first dyeing piece to move, dyeing the consumable materials by the first dyeing piece, and enabling the color of the molten consumable materials extruded by the pen main body to be the color of the first dyeing piece;

s3, adjusting the color changing control piece to the third position, pushing the second dyeing piece to move by the second sliding block, dyeing the consumable by the second dyeing piece, and at the moment, enabling the color of the molten consumable extruded by the pen main body to be the color of the second color piece;

s4, adjusting the color changing control piece to a four-position, enabling the first sliding block to push the first dyeing piece to move, and enabling the second sliding block to push the second dyeing piece to move at the same time, wherein the color of the melting consumable extruded by the pen main body is the mixed color of the first dyeing piece and the second dyeing piece;

wherein, S1, S2, S3 and S4 can be selected at will in the using process to realize color changing.

In conclusion, the invention has the following beneficial effects:

1. the mode that the dyeing mechanism, the wire feeding mechanism and the stirring mechanism are arranged in the pen main body is adopted, the side wall of the transparent consumable material can be dyed to form a color consumable material, and the color consumable material is uniformly hot-melted and stirred by the stirring mechanism and then is extruded from the nozzle to realize 3D painting, so that the pen has the effects of rich color, strong interest, flexibility and diversification;

2. adopt the mode of single output dual drive, drive rabbling mechanism and advance a silk mechanism simultaneously through a drive disk assembly for advance the silk and go on with the stirring process in step, advance the silk process and still can extrude the even melting consumptive material of stirring from the nozzle, realize the ejection of compact while stirring, the difficult disconnected material phenomenon that appears. In addition, on one hand, a single-drive double-output mode is adopted, so that the energy-saving and consumption-reducing effects are achieved, and on the other hand, the overall structural layout has a more compact structure effect, so that the electric power tool is convenient for a user to hold;

3. the connecting sleeve and the stirring pipe are separately arranged into two parts, so that a certain heat insulation effect can be achieved, and consumables are prevented from being melted and softened in advance when entering the stirring cavity;

4. adopt dyeing consumptive material, heating melting stirring and extrude the consumptive material and realize 3D and do the method of drawing, the user can freely select the colour according to self wish, and the even colored melting consumptive material of color is formed after the colored consumptive material of dyeing advances the heating stirring, and it is better to draw the drawing effect, so, has convenient to use, the cost is lower, the better effect of drawing the drawing effect.

Drawings

Fig. 1 is a schematic diagram of the overall structural relationship of the embodiment.

FIG. 2 is a schematic diagram of the structure of the ink cartridge and the pen body in a separated state according to the embodiment.

FIG. 3 is a schematic view showing the structure of the front end face of the ink cartridge in the embodiment.

Fig. 4 is a sectional view of the embodiment.

Fig. 5 is an enlarged view of the area a in fig. 4.

FIG. 6 is a schematic structural diagram of the color-changing motor, the bracket and the pressing plate in a separated state in the embodiment.

FIG. 7 is a schematic structural diagram of a slider in the embodiment.

FIG. 8 is a schematic diagram showing the structural relationship between the wire feeding mechanism and the stirring mechanism in the embodiment.

FIG. 9 is a schematic view showing the structure of the stirring mechanism and the nozzle in a separated state in the embodiment.

FIG. 10 is a schematic view of the position of the dyeing mechanism corresponding to the color changing turntable in one position in the embodiment.

FIG. 11 is a schematic view of the position of the dyeing mechanism corresponding to the two positions of the color changing turntable in the embodiment.

FIG. 12 is a schematic view of the position of the dyeing mechanism corresponding to the three positions of the color changing turntable in the embodiment.

Fig. 13 is a schematic view of the position state of the dyeing mechanism corresponding to the four positions of the color changing turntable in the embodiment.

Fig. 14 is a schematic view of the position state of the dyeing mechanism corresponding to the five positions of the color changing turntable in the embodiment.

Fig. 15 is a schematic view of the position state of the dyeing mechanism corresponding to the six-position color changing turntable in the embodiment.

Fig. 16 is a schematic view of the position state of the dyeing mechanism corresponding to the color changing turntable in the seventh position in the embodiment.

Fig. 17 is a schematic view of the position state of the dyeing mechanism corresponding to the eight positions of the color changing turntable in the embodiment.

In the figure: 1. a pen body; 11. a nozzle; 111. a stirring chamber; 12. a power socket; 13. an ink cartridge; 131. an ink chamber; 132. an ink storage sponge; 133. an ink outlet; 134. a dyeing member; 1341. a first dyeing member; 1342. a second dyeing member; 1343. a third dyeing member; 135. wire holes; 136. air holes are formed; 14. a support; 141. a chute; 142. a through hole; 143. preventing tendon shaking; 15. pressing a plate; 151. an inductive element; 152. limiting the jacks; 16. briquetting; 17. a branch circuit board; 18. a main circuit board; 181. an indicator light; 182. a color changing turntable; 183. a wire feeding button; 19. positioning the mark; 2. a dyeing mechanism; 21. a color changing motor; 211. a first color changing motor; 212. a second color changing motor; 213. a third color changing motor; 22. a slider; 221. a first slider; 222. a second slider; 223. a third slider; 224. a strip-shaped groove; 225. an arc-shaped groove; 226. a magnetic member; 23. an eccentric wheel disc; 231. an eccentric column; 3. a wire feeding mechanism; 31. a wire feeding main gear; 311. an annular caulking groove; 312. a rotating shaft; 32. a wire feeding driven wheel; 33. a wire feeding channel; 4. a stirring mechanism; 41. a heating member; 42. a stirring pipe; 421. stirring blades; 5. a mounting frame; 51. a drive motor; 6. a first transmission assembly; 61. a first reversing gear; 62. a second reversing gear; 7. a second transmission assembly; 71. stirring the transmission gear; 72. connecting sleeves; 721. a mixing tube gear; 722. a guide slope; 8. a consumable.

Detailed Description

The invention will be further described with reference to the accompanying drawings.

A3D printing pen, as shown in fig. 1, fig. 2 and fig. 8, comprises a pen main body 1 in a pen shape, a nozzle 11 is arranged at the head end of the pen main body 1, a power socket 12 and an ink box 13 detachably inserted in the pen main body 1 are arranged at the tail end of the pen main body 1, and a plurality of dyeing pieces 134 are arranged on the ink box 13. Offer the passageway that supplies the consumptive material to pass in pen main part 1, pen main part 1 still is provided with dyeing mechanism 2, advance silk mechanism 3 and rabbling mechanism 4, dyeing mechanism 2 is including a plurality of actuating mechanism, actuating mechanism promotes dyeing 134 and dyes the consumptive material, it is used for transmitting the consumptive material to nozzle 11 to advance silk mechanism 3, rabbling mechanism 4 is including being used for heating fused heater block 41 to the consumptive material, heater block 41 can set up to the heater strip, rabbling mechanism 4 is used for stirring fused consumptive material.

As shown in fig. 2, 3 and 4, a plurality of ink chambers 131 are formed in the ink cartridge 13 at intervals, an ink storage sponge 132 (in other embodiments, polymer polyurethane may be used to replace the ink storage sponge) and a color dye are filled in the ink chambers 131, each ink chamber 131 is correspondingly provided with an ink outlet 133, the dyeing members 134 are correspondingly inserted into the ink outlets 133 one by one, the color dye can penetrate through the dyeing members 134, the dyeing members 134 have certain elasticity, the dyeing members 134 can be made of bar stock, the center of the ink cartridge 13 is provided with a wire hole 135 for passing consumables along the length direction, the three ink chambers 131 are circumferentially distributed in the ink cartridge 13, the wire hole 135 is located in the center of the ink cartridge 13, and the three dyeing members 134 are distributed around the wire hole 135. The end of the ink cartridge 13 is provided with air holes 136, the air holes 136 are in one-to-one correspondence with the ink chambers 131, the air holes 136 are used for keeping the atmospheric pressure inside and outside the ink chambers 131 consistent, so that negative pressure is formed inside the ink chambers 131 when ink is discharged, and ink cannot flow out from the ink outlet 133, and in addition, ink ejection can be prevented when the ink cartridge is used in an environment with low air pressure.

As shown in fig. 4, 6 and 7, the driving mechanism includes a sliding block 22, a color-changing motor 21, and an eccentric wheel disc 23 disposed on an output shaft of the color-changing motor 21, the eccentric wheel disc 23 includes an eccentric column 231, the sliding block 22 is provided with a strip-shaped groove 224, an opening direction of the strip-shaped groove 224 is perpendicular to a sliding direction of the sliding block 22, and the eccentric column 231 is in sliding fit with the strip-shaped groove 224; be provided with support 14 in the pen main part 1, three spout 141 that supplies slider 22 to slide is seted up to support 14 tip, trade look motor 21 fixed mounting on support 14, trade look motor 21 orders about slider 22 to being close to dyeing 134 motion, make dyeing 134 press close to the consumptive material, when slider 22 kept away from dyeing 134 motion, make dyeing 134 keep away from the consumptive material, slider 22 is close to the terminal surface of dyeing 134 and has seted up arc recess 225, arc recess 225 and dyeing 134 looks adaptation, when slider 22 promoted dyeing 134 and is close to the consumptive material, dyeing 134 corresponds the embedding in arc recess 225, the setting of arc recess 225, can play better limiting displacement to dyeing 134 to a certain extent when slider 22 promoted dyeing 134, prevent that dyeing 134 from breaking away from slider 22. In the using state, the ink box 13 is inserted into the pen body 1, the consumable 8 penetrates through the wire hole 135, and the dyeing part 134 is located around the consumable. The color changing motor 21 includes a first color changing motor 211, a second color changing motor 212, and a third color changing motor 213, the slider 22 includes a first slider 221 corresponding to the first color changing motor 211, a second slider 222 corresponding to the second color changing motor 212, and a third slider 223 corresponding to the third color changing motor 213, and the dyeing member 134 includes a first dyeing member 1341 corresponding to the first slider 221, a second dyeing member 1342 corresponding to the second slider 222, and a third dyeing member 1343 corresponding to the third slider 223.

When the consumable is dyed, the color changing motor 21 is started to drive the eccentric wheel disc 23 to rotate, and when the eccentric wheel disc 23 rotates, under the matching action of the eccentric column 231 and the strip-shaped groove 224, the sliding block 22 moves towards the direction close to the dyeing piece 134 along the sliding groove 141 until the dyeing piece 134 is attached to the side wall of the consumable; when dyeing is completed, the color changing motor 21 drives the sliding block 22 to reset, and the dyeing piece 134 can be far away from the consumable under the self elasticity because the pushing force of the sliding block 22 is not applied any more.

As shown in fig. 4, 6 and 7, a magnetic member 226 is disposed on the slider 22, a pressure plate 15, a distribution board 17 and a pressing block 16 are disposed in the pen body 1, the pressure plate 15 and the pressing block 16 are matched to press and fix the distribution board 17, an inductive element 151 is further disposed on the pressure plate 15, in this embodiment, the inductive element 151 is a hall sensor, the hall sensor is in inductive matching with the magnetic member 226 and is used for detecting the position of the slider 22 after displacement, when the slider 22 drives the magnetic member 226 to move, the hall sensor can sense the position of the slider 22 in real time to feed back by using the principle that the hall sensor generates a potential difference due to the change of a magnetic field between the hall sensor and the magnetic member 226, so that the dyeing concentration can be controlled to a certain extent. The center of the pressing plate 15 is further provided with a limiting insertion hole 152, when the ink cartridge 13 is inserted into the pen body 1, the dyeing part 134 is correspondingly inserted into the limiting insertion hole 152, so that the quick alignment and limiting effects can be achieved.

As shown in fig. 6, a through hole 142 for the consumable to pass through is opened at the center of the rack 14, the sliding grooves 141 are distributed around the through hole 142, the sliding grooves 141 are communicated with the through hole 142, the dyeing part 134 moves at the communication position of the sliding grooves 141 and the through hole 142, and three anti-shaking ribs 143 are arranged on the inner wall of the through hole 142 and are distributed at equal intervals. When in the through-hole 142 was sent into to consumptive material 8, anti-shake muscle 143 supported in the lateral wall of consumptive material, can prevent to a certain extent that the consumptive material from taking place the shake at feeding, dyeing in-process, and the ink prevents to have been left the pipe wall when the consumptive material of dyeing passes through the passageway for it is more even, dyeing effect is better to dye.

As shown in fig. 4, a main circuit board 18 is disposed in the pen main body 1, the power socket 12 is electrically connected to the main circuit board 18, an indicator light 181 is disposed on the main circuit board 18, a color changing turntable 182 and a thread feeding button 183 are further disposed on the side wall of the pen main body 1, the color changing turntable 182 is electrically connected to the main circuit board 18, the color changing turntable 182 is in control fit with the color changing motor 21 of the dyeing mechanism 2, and the color changing turntable 182 is used for controlling switching of different color changing motors 21. The color changing turntable 182 is provided with a plurality of position marks, the position marks comprise

numbers

1, 2, 3, 4, 5, 6, 7 and 8, the pen main body 1 is provided with a positioning mark 19, the color changing turntable 182 is rotated, and one of the position marks corresponds to the positioning mark 19. When the dyed color of the consumable is changed, the color changing turntable 182 is rotated, and when different position marks correspond to the positioning marks 19, the color changing motor 22 for controlling the movement of the dyeing piece 134 with different colors can be started, so that the user can select and switch the color changing process for realizing dyeing intuitively. The user can select different colours by oneself to dye the consumptive material according to own hobby, so, need not to change the consumptive material, can realize polychrome conversion on same root consumptive material, need not to purchase the consumptive material of different colours, and the cost is also lower.

As shown in fig. 8 and 9, a mounting frame 5 and a driving part mounted on the mounting frame 5 are arranged in the pen main body 1, the driving part is a driving motor 51, a first transmission assembly 6 is arranged between the driving motor 51 and the wire feeding mechanism 3, a second transmission assembly 7 is arranged between the driving motor 51 and the stirring mechanism 4, and the driving motor 51 synchronously acts on the wire feeding mechanism 3 and the stirring mechanism 4. The first transmission assembly 6 comprises a first reversing gear 61; the second transmission assembly 7 comprises a stirring transmission gear 71, and the first reversing gear 61 and the stirring transmission gear 71 are coaxially arranged at the output end of the driving motor 51. When the driving motor 51 is started, the output end drives the first reversing gear 61 and the stirring transmission gear 71 to rotate at the same time, so that double output can be realized simultaneously through the first transmission assembly 6 and the second transmission assembly 7 by adopting the same driving part.

As shown in fig. 8 and 9, the wire feeding mechanism 3 includes a wire feeding gear set, the wire feeding gear set includes a wire feeding main gear 31 and a wire feeding driven wheel 32, a wire feeding channel 33 is formed between the wire feeding main gear 31 and the wire feeding driven wheel 32, an annular caulking groove 311 is formed on a side wall of the wire feeding main gear 31, the wire feeding main gear 31 is provided with a rotating shaft 312, the annular caulking groove 311 is arranged such that a side wall of the consumable 8 is correspondingly embedded into the annular caulking groove 311, the consumable is limited in a circumferential direction, and only can be fed linearly without rotating the side wall, so that the fed consumable can be prevented from being twisted and wound due to a stirring action of the front end stirring mechanism 4 to a certain extent; the first transmission assembly 6 further comprises a second reversing gear 62 coaxially arranged on the rotating shaft 312, and the second reversing gear 62 is meshed with the first reversing gear 61. The consumptive material is sent into and is sent a passageway 33 in, send a master gear 31 and send a follow driving wheel 32 to be located the consumptive material both sides respectively to produce certain clamp force to the consumptive material lateral wall, when first reversing gear 61 rotates, drive second reversing gear 62 and rotate, second reversing gear 62 drives through pivot 312 and send a master gear 31 to rotate, because the consumptive material lateral wall pastes in the lateral wall that send a master gear 31, when sending a master gear 31 and rotating, can realize into the transfer process of silk to the consumptive material with sending a follow driving wheel 32 cooperation.

First drive assembly 6 drive wire feeding mechanism 3 moves, and wire feeding mechanism 3 conveys the consumptive material in to nozzle 11, still drives 4 synchronous motion of rabbling mechanism through second drive assembly 7 in addition, and the rabbling mechanism 4 can stir the mixing to the fused consumptive material, so for wire feeding and stirring process go on in step, realize the ejection of compact while stirring, the difficult disconnected material phenomenon that appears. In addition, on one hand, the single-drive double-output mode is adopted, the energy-saving and consumption-reducing effects are achieved, and on the other hand, the overall structure layout has the effect of being more compact in structure and convenient to hold by a user.

As shown in fig. 4, 5, 8 and 9, the stirring mechanism 4 includes a stirring tube 42 for feeding consumables, the stirring tube 42 is rotatably disposed in the pen body 1, a stirring blade 421 is disposed at the front end of the stirring tube 42, the cross-sectional shape of the stirring blade 421 is "one" shape, and the "one" shape stirring blade 421 is adopted, so that the process is simple in the processing process, in other embodiments, the cross-sectional shape of the stirring blade 421 is "ten" shape, triangular star shape, and triangular star shape stirring blade 421 can be adopted, so that on one hand, the stirring effect is better, the contact surface of the consumable materials in melting during stirring is larger, on the other hand, the triangular star shape stirring blade 421 is not easy to break under the condition of long-term stirring use, and the stability and firmness are stronger; a stirring cavity 111 for the stirring blade 421 to extend into is formed in the nozzle 11, the stirring pipe 42 is communicated with the stirring cavity 111, the inner wall of the nozzle 11 is attached to the outer wall of the stirring pipe 42 to form a superposition part, the heating part 41 is arranged outside the superposition part, and the side wall of the nozzle 11 is integrally heated more uniformly, so that the whole melting effect of the consumable is better, and the full stirring is facilitated; the driving motor 51 drives the stirring pipe 42 to rotate through the second transmission component 7, the second transmission component 7 further comprises a connecting sleeve 72, a stirring pipe gear 721 coaxially arranged on the connecting sleeve 72, the connecting sleeve 72 is made of plastic material with poor thermal conductivity, the stirring pipe gear 721 is meshed with the stirring transmission gear 71, when the stirring transmission gear 71 rotates, the stirring pipe gear 721 can be driven to rotate along with the connecting sleeve, so that the stirring pipe 42 is driven to rotate to realize a stirring process, the connecting sleeve 72 is coaxially sleeved at the rear end of the stirring pipe 42, the stirring pipe 42 is set to be a metal stirring pipe 42, the rear end part of the connecting sleeve 72 is provided with a flaring-shaped guide inclined plane 722, when consumable materials are inserted into the connecting sleeve 72, the consumable materials can be conveniently guided into the connecting sleeve 72 through the guide inclined plane 722, and quick and accurate insertion is realized.

Because the heating part 41 heats in stirring chamber 111, adopt metal mixing tube 42 to have better heat conductivity, can make the consumptive material in the stirring chamber 111 melt rapidly, and the adapter sleeve 72 that adopts plastics to make connects in the mode of the rear end of stirring tube 42, because the relative metal of the heat conductivity of plastics is relatively poor, and separately set up adapter sleeve and stirring tube 42 into two parts, can prevent the consumptive material to a certain extent before entering into stirring chamber 111, take place melting in advance because of the heat-conduction that receives metal mixing tube 42, the phenomenon of softening, adopt plastic adapter sleeve 72 to carry out certain thermal-insulated back, can be convenient for push the consumptive material.

Send into the lateral wall in the consumptive material of polychrome dyeing to the agitator tube 42 in, make the consumptive material front end stretch into to stirring chamber 111 in, heater block 41 generates heat, the colorful consumptive material hot melt in the chamber 111 will stir, driving motor 51 starts the back, it rotates to drive agitator tube 42, agitator tube 42 drives stirring leaf 421 and rotates, so, stirring leaf 421 can stir the mixture to the molten colorful consumptive material in stirring chamber 111, make the consumptive material stirring of different colours, still can promote the colorful consumptive material to nozzle 11 movements in the stirring, promote the in-process and can extrude the colorful consumptive material of stirring in the chamber 111 from nozzle 11, thus, can realize polychrome mix in the use, colour mixture is more even after the stirring, color texture is better.

The using method comprises the following steps:

s1, electrifying, namely, plugging the power socket 12 into a power supply to electrify, and judging that the power supply is switched on when the indicating lamp 181 is a yellow lamp and is normally on, so as to supply power to the driving mechanism, the wire feeding mechanism 3 and the stirring mechanism 4 of the dyeing mechanism 2;

s2, heating, wherein the heating component 41 is electrified for heating, the indicator light 181 flashes red, and when the set temperature is reached, the indicator light 181 lights up normally green to indicate that heating is finished;

s3, consumable materials are loaded, the consumable materials are fed into the channel of the pen main body 1 from the tail of the ink box 13, the consumable materials pass through the wire feeding mechanism 3 until the consumable materials extend into the wire feeding channel 33, at the moment, the position mark 1 of the color changing turntable 182 corresponds to the positioning mark 19, the wire feeding button 183 is pressed, the consumable materials are fed forward by the wire feeding gear set until the consumable materials are melted in the pen point nozzle 11, and therefore loading of the consumable materials is achieved;

s4, dyeing;

in this embodiment, the three dyeing members 134 are set to three primary colors, i.e., red, yellow and blue, respectively, and the color changing process is implemented by controlling and adjusting the color changing turntable 182 as follows:

(1) the initial position of the color changing turntable 182 is a position, when the three color changing motors 21 are at the initial position, the magnetic part 226 on the slide block 22 is just under the hall sensor, as shown in the corresponding state shown in fig. 10, the detection voltage is the highest, and at this time, the nozzle 11 extrudes transparent melting consumables;

(2) when the color changing turntable 182 rotates to the two positions, the first color changing motor 211 rotates, and the first color changing motor 211 drives the first slider 221 to move, so as to push the first dyeing part 1341 to dye the sidewall of the consumable 8 with red color, which is shown in fig. 11 as a corresponding state;

(3) the color changing turntable 182 rotates three positions, the first color changing motor 211 returns to the original position, the second color changing motor 212 rotates, and the second color changing motor 212 drives the second slider 222 to move so as to push the second dyeing part 1342 to dye the consumable 8 with yellow, which is shown in fig. 12 as a corresponding state;

(4) when the color changing turntable 182 rotates to the fourth position, the second color changing motor 212 returns to the original position, the third color changing motor 213 rotates, and the third color changing motor 213 drives the third slider 223 to move, so as to push the third dyeing part 1343 to dye the consumable 8 with blue, which is in a corresponding state as shown in fig. 13;

(5) the color changing turntable 182 rotates to the fifth position, the third color changing motor 213 returns to the original position, the first color changing motor 211 and the second color changing motor 212 rotate, the first color changing motor 211 drives the first sliding block 221 to move so as to push the first dyeing piece 1341 to dye red for the consumable 8, the second color changing motor 212 drives the second sliding block 222 to move so as to push the second dyeing piece 1342 to dye yellow for the consumable 8, and the corresponding state is shown in fig. 14;

(6) when the color changing turntable 182 rotates to the sixth position, the first color changing motor 211 returns to the original position, the second color changing motor 212 and the third color changing motor 213 rotate, the second color changing motor 212 drives the second slider 222 to move so as to push the second dyeing part 1342 to dye the consumable materials with yellow, the third color changing motor 213 drives the third slider 223 to move so as to push the third dyeing part 1343 to dye the consumable materials with blue, and the state is shown in fig. 15 as a corresponding state;

(7) when the color changing turntable 182 rotates to the seventh position, the second color changing motor 212 returns to the original position, the first color changing motor 211 and the third color changing motor 213 rotate, the first color changing motor 211 drives the first slider 221 to move so as to push the first dyeing piece 1341 to dye red for the consumable material, the third color changing motor 213 drives the third slider 223 to move so as to push the third dyeing piece 1343 to dye blue for the consumable material, and the state is the corresponding state as shown in fig. 16;

(8) the color changing turntable 182 rotates to the eighth position, the three color changing motors 21 rotate simultaneously, the first color changing motor 211 drives the first sliding block 221 to move so as to push the first dyeing piece 1341 to dye red for consumable materials, the second color changing motor 212 drives the second sliding block 222 to move so as to push the second dyeing piece 1342 to dye yellow for consumable materials, and the three color changing motors 21 drives the third sliding block 223 to move so as to push the third dyeing piece 1343 to dye blue for consumable materials, as shown in fig. 17, the corresponding state is shown;

the position states of the (1) to (8) corresponding to the color changing turntable 182 can be switched at will according to the user's own will;

s5, feeding and stirring, pressing a feeding button 183, feeding the dyed consumables into a stirring cavity 111, heating by a heating part 41, melting the colored consumables, and stirring by a stirring blade 421;

s6, feeding and extruding, pressing the feeding button 183, and the feeding mechanism 3 pushes the uniformly stirred melted color consumable to move towards the nozzle 11 through the consumable with unmelted rear end and extrude.

During extrusion, corresponding to the two positions in S4, the material is red melting consumable; corresponding to the three positions in S4, the consumable is yellow molten consumable; corresponding to the four positions in S4, the consumable material is blue melting; when the materials correspond to the five positions in the S4, the materials are uniformly stirred and mixed to form an orange melting consumable material; when the material corresponds to the six positions in the S4, the material is mixed after being stirred uniformly to form green melting consumable material; when the materials correspond to the seven positions in the S4, uniformly stirring the materials, and mixing the materials to form purple melting consumables; corresponding to the eight positions in the S4, the black melting consumables are formed by mixing the color after being stirred evenly.

The basic working principle of the invention is as follows: in the use, send into the consumptive material in the passageway of pen main part 1 earlier, after the power supply part circular telegram, trade look motor drive dyeing piece and dye the consumptive material lateral wall, the consumptive material after advancing silk mechanism 3 drive dyeing is carried to rabbling mechanism 4, when the consumptive material after dyeing stretches into in the rabbling mechanism 4, heater block 41 heats solid-like colored consumptive material in the rabbling mechanism 4, make its melting, subsequently, rabbling mechanism 4 can stir the molten consumptive material, when advancing silk mechanism 3 and promoting the consumptive material to the motion of rabbling mechanism 4, the consumptive material front end still can promote molten colored consumptive material to extrude from nozzle 11, can realize 3D and draw a picture, cooperation through multiunit dyeing motor 21 and dyeing piece, can dye various colors to the consumptive material, so, have rich color, interesting strong, flexibility, diversified effect, and convenient to use still has, the cost is lower, The effect of drawing is better.

Through adjusting to trade between the dyeing mechanism 2 that look carousel 182 is steerable different groups and realize trading look process, the user can select different colours by oneself to dye the consumptive material according to own hobby, so, need not to change the consumptive material, can realize polychrome conversion on same root consumptive material, has rich in color, interesting strong effect, uses more in a flexible way, various, and need not to purchase the consumptive material of different colours, and the cost is also lower.

It should be noted that the sequence of the color changing motor 21 and the arrangement of the dyeing members 134 are not limited to the sequence described in this embodiment, and can be adjusted adaptively by changing the program and the number of the dyeing mechanisms, and in other embodiments, two groups of dyeing mechanisms, four groups of dyeing mechanisms, or other numbers of groups of dyeing mechanisms may be adopted, or one driving mechanism may be adopted to drive a plurality of dyeing members to move through a linkage structure. In addition, it should be noted that, during the usage process, the steps related to S1-S3 may also adopt a method of first loading the consumables, then powering on and heating.

The above description is only a preferred embodiment of the present invention, and all equivalent changes or modifications of the structure, characteristics and principles described in the present invention are included in the scope of the present invention.

Claims

1. The utility model provides a 3D printing pen, includes pen main part (1), pen main part (1) is provided with nozzle (11), set up the passageway that supplies consumptive material (8) to pass in pen main part (1), its characterized in that: the pen body (1) is also provided with

The dyeing mechanism (2) comprises a driving mechanism and a dyeing piece, and the driving mechanism pushes the dyeing piece to dye the consumable (8);

the wire feeding mechanism (3) is used for conveying the consumable (8) to the nozzle (11);

a heating member (41) for heating and melting the consumable (8);

and the stirring mechanism (4) is used for stirring the molten consumable (8).

2. A 3D printing pen according to claim 1, characterized in that: still be provided with on pen main part (1) and trade look carousel (182), trade look carousel (182) with dyeing mechanism (2) control cooperation, trade look carousel (182) are used for controlling actuating mechanism is to the switching of dyeing.

3. A 3D printing pen according to claim 1, characterized in that: the driving mechanism comprises a sliding block (22), and the sliding block (22) moves towards the direction close to the dyeing piece, so that the dyeing piece is close to the consumable (8).

4. A 3D printing pen according to claim 3, characterized in that: the driving mechanism further comprises a color changing motor (21) and an eccentric wheel disc (23) arranged on an output shaft of the color changing motor (21), the eccentric wheel disc (23) comprises an eccentric column (231), the sliding block (22) is provided with a strip-shaped groove (224), and the eccentric column (231) is in sliding fit with the strip-shaped groove (224); a sliding groove (141) for sliding the sliding block (22) is arranged in the pen main body (1).

5. A 3D printing pen according to claim 1, characterized in that: be provided with driver part in the pen main part (1), driver part with be equipped with first transmission assembly (6) between advancing silk mechanism (3), driver part with be equipped with second transmission assembly (7) between rabbling mechanism (4), driver part acts on in step advance silk mechanism (3) with rabbling mechanism (4).

6. A3D printing pen according to claim 5, characterized in that: the first transmission assembly (6) comprises a first reversing gear (61); the second transmission assembly (7) comprises a stirring transmission gear (71), and the first reversing gear (61) and the stirring transmission gear (71) are coaxially arranged at the output end of the driving part.

7. A3D printing pen according to claim 5 or 6, characterized in that: the wire feeding mechanism (3) comprises a wire feeding gear set, the wire feeding gear set comprises a wire feeding main gear (31) and a wire feeding driven wheel (32), a wire feeding channel (33) is formed between the wire feeding main gear (31) and the wire feeding driven wheel (32), and the wire feeding main gear (31) is provided with a rotating shaft (312); the first transmission assembly (6) further comprises a second reversing gear (62) arranged on the rotating shaft (312), and the second reversing gear (62) is meshed with the first reversing gear (61).

8. A3D printing pen according to any one of claims 1 to 6, characterized in that: the stirring mechanism (4) comprises a stirring pipe (42) for feeding the consumable (8), and the stirring pipe (42) is rotatably arranged in the pen main body (1); a stirring cavity (111) is formed in the nozzle (11), and the stirring pipe (42) is communicated with the stirring cavity (111).

9. A 3D printing pen according to claim 8, characterized in that: the front end of the stirring pipe (42) is provided with a stirring blade (421).

10. A3D printing pen according to claim 6, characterized in that: the second transmission assembly (7) further comprises a connecting sleeve (72) and a stirring pipe gear (721) coaxially arranged on the connecting sleeve (72), the stirring pipe gear (721) is meshed with the stirring transmission gear (71), and the connecting sleeve (72) is coaxially sleeved on the stirring pipe (42).

11. A use method of a 3D printing pen is characterized in that: the method comprises the following steps:

s2, heating, namely electrifying the heating component to generate heat;

s3, loading the consumable (8), and feeding the consumable (8) into the channel of the pen main body (1) until the consumable (8) extends into the wire feeding mechanism (3);

s4, dyeing, wherein the dyeing part is selectively driven to be close to the consumable material (8) by controlling the driving mechanism through the color changing turntable, and the dyeing mechanism (2) performs a dyeing process on the consumable material (8) extending into the channel to form the required color consumable material (8);

s5, feeding and stirring, wherein the feeding mechanism (3) drives the consumable materials (8) to feed, and meanwhile, the stirring mechanism (4) stirs the dyed and heated and melted color consumable materials (8);

and S6, feeding and extruding, wherein the feeding mechanism (3) pushes the consumable materials (8) to move towards the nozzle (11) and pushes the uniformly stirred molten color consumable materials (8) to extrude from the nozzle (11).

12. The method of using a 3D printing pen according to claim 11, characterized in that: the S4 includes the following staining procedures:

s1, adjusting the color changing turntable to a position, wherein the first dyeing piece and the second dyeing piece are not dyed, and at the moment, the melting consumable (8) extruded by the pen main body (1) is in the natural color;

s2, adjusting the color changing control piece to a two-position, enabling the first sliding block to push the first dyeing piece to move, dyeing the consumable (8) by the first dyeing piece, and enabling the color of the molten consumable (8) extruded by the pen main body (1) to be the color of the first dyeing piece;

s3, adjusting the color changing control piece to the third position, pushing a second dyeing piece to move by a second sliding block, dyeing the consumable (8) by the second dyeing piece, and at the moment, melting the consumable (8) extruded by the pen main body (1), namely, the color of the second color piece;

s4, adjusting the color changing control piece to a four-position, enabling the first sliding block to push the first dyeing piece to move, and enabling the second sliding block to push the second dyeing piece to move at the same time, wherein the color of the melting consumable (8) extruded by the pen main body (1) is the mixed color of the first dyeing piece and the second dyeing piece;