CN102608890A - 3D (three dimensional) laser printer - Google Patents
3D (three dimensional) laser printer Download PDFInfo
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- CN102608890A CN102608890A CN2012100840611A CN201210084061A CN102608890A CN 102608890 A CN102608890 A CN 102608890A CN 2012100840611 A CN2012100840611 A CN 2012100840611A CN 201210084061 A CN201210084061 A CN 201210084061A CN 102608890 A CN102608890 A CN 102608890A
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/22—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20
- G03G15/221—Machines other than electrographic copiers, e.g. electrophotographic cameras, electrostatic typewriters
- G03G15/224—Machines for forming tactile or three dimensional images by electrographic means, e.g. braille, 3d printing
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/22—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20
- G03G15/225—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20 using contact-printing
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- General Physics & Mathematics (AREA)
- Electrostatic Charge, Transfer And Separation In Electrography (AREA)
Abstract
The invention relates to a 3D (three dimensional) laser printer which comprises a model working platform as well as two photosensitive drums, a powder box and a signal conversion device which are arranged above the model working platform, wherein the photosensitive drum is contacted with the powder box and the signal conversion device respectively; and the signal conversion device is connected with a computer. The 3D laser printer is characterized in that each photosensitive drum is provided with the powder box and the signal conversion device; and one of the powder boxes is filled with hot melting powder, and the other one of the powder boxes is filled with non-hot-melting powder. The 3D laser printer is developed based on principles of the planar laser printing technique and the LED (light-emitting diode) printing technique; a brand new manner is used to manufacture a three-dimensional object; and the planar printing technique and the industry casting technique are combined into a whole. Compared with the 3D printing technique, the printing speed can be substantially improved to 10-50cm/h; the printing precision can be substantially improved to 1200-4800dpi; many products which cannot be printed can be printed by the existing 3D printer; and a brand new product manufacturing mode is realized.
Description
Technical field
The present invention relates to 3D Rapid Manufacturing Technology field, relate in particular to the 3D laser printer.
Background technology
It is a kind of form of adjuvant manufacturing technology that existing 3D prints, and three dimensional object is to create out through continuous Physical layer in the adjuvant manufacturing technology.The 3D printer has that speed is fast, low price, advantage such as is simple and easy to use for other adjuvant manufacturing technology.At present, 3D printer on the market is main with external manufacturer production, and the master operation of its printing is shop one deck powder; Spray gelatinous mass again; The operation of this and plane ink-jet printer is similar, its print resolution majority all below 600dpi, the general 2 ~ 3cm/h of speed.The present invention develops on the principle of planar laser printing technique and LED printing technique; Use a kind of brand-new mode to make three dimensional object; Plane printing technique and industrial casting technology are integrated; Compare existing 3D printing technique; Can significantly improve print speed (10 ~ 50cm/h) and printing precision (1200 ~ 4800dpi), and can print existing 3D printer the many products that can not print like plastic products, low-temperature metal goods etc., realize a kind of brand-new product manufacturing mode.
Summary of the invention
Technical matters to be solved by this invention provides a kind of 3D laser printer that improves print speed and printing precision.
For addressing the above problem, 3D laser printer of the present invention comprises the model worktable and places photosensitive drums, powder box and the chromacoder of said model worktable top; Said photosensitive drums contacts with said powder box; Said chromacoder links to each other with computing machine, it is characterized in that: said photosensitive drums is two, and this each said photosensitive drums is respectively equipped with a said powder box, a chromacoder; One in said two powder box is filled with the hot melt powder, and another is filled with non-hot melt powder.
Said photosensitive drums is four, and this each said photosensitive drums is respectively equipped with a said powder box, a chromacoder; Two in said four powder box are filled with the hot melt powder, and in addition two are filled with non-hot melt powder, and the powder box that is filled with the hot melt powder is crisscross arranged with the powder box that is filled with non-hot melt powder.
Said photosensitive drums is two, and its bottom is provided with a transfer printing belt, and this transfer printing belt places in the rotating shaft of being fixed on the body; Each said photosensitive drums is respectively equipped with a said powder box, a chromacoder; One in said two powder box is filled with the hot melt powder, and another is filled with non-hot melt powder.
Said photosensitive drums is four, and its bottom is provided with a transfer printing belt, and this transfer printing belt places in the rotating shaft of being fixed on the body; Each said photosensitive drums is respectively equipped with a said powder box, a chromacoder; Two in said four powder box are filled with the hot melt powder, and in addition two are filled with non-hot melt powder, and the powder box that is filled with the hot melt powder is crisscross arranged with the powder box that is filled with non-hot melt powder.
The bottom of said photosensitive drums is provided with two transfer printing belts, and every transfer printing belt is provided with two said photosensitive drums; Said transfer printing belt places in the rotating shaft of being fixed on the body; Each said photosensitive drums is respectively equipped with a said powder box, a chromacoder; One in said two powder box on the said every transfer printing belt is filled with the hot melt powder, and another is filled with non-hot melt powder.
Said hot melt powder is meant that when temperature is lower than 50 ℃ it is the material of solid state powder; When temperature during at 50 ~ 500 ℃, a part or whole part fusing takes place, condense into bulk or be fused into the powder of fluent meterial.
Said non-hot melt powder is meant when temperature is-273 ~ 600 ℃ that it is the material of solid state powder.
The method of application of aforesaid 3D laser printer may further comprise the steps:
⑴ decompose the 3D stereographic map by computing machine by layer, forms the horizontal frontal plane figure of a series of from bottom to up sequence number rules, generates a corresponding with it antiplane figure when generating each horizontal frontal plane, and promptly every layer obtains partly or entirely positive and negative two figures;
⑵ start printer;
⑶ said partly or entirely positive and negative two figures that computing machine generates convert the light beam that is loaded with part or all of positive and negative graphical information respectively to through chromacoder;
⑷ after one of them or two photosensitive drum chargings obtain current potential,, form the electrostatic latent image of partly or entirely positive figure reflection through the said beam flying that is loaded with partly or entirely positive figure map information;
⑸ after the electrostatic latent image process of said partly or entirely positive figure reflection is located at the magnetic brush in the powder box, absorption one deck hot melt powder; Make said hot melt powder fall into the model worktable by conventional on-load voltage, in said model worktable, form the partly or entirely positive figure that is paved into by said hot melt powder; Or
After the electrostatic latent image process of said partly or entirely positive figure reflection is located at the magnetic brush in the powder box, absorption one deck hot melt powder; Transfer to model worktable top through the transfer printing belt, make said hot melt powder fall into the model worktable, in said model worktable, form the partly or entirely positive figure that is paved into by said hot melt powder by conventional on-load voltage; Or
The electrostatic latent image of said part or all of positive figure reflection adsorbs one deck hot melt powder through after being located at the magnetic brush in the powder box, and this hot melt powder is transferred on the transfer printing belt; Hot melt powder on the said transfer printing belt and non-hot melt powder are paved into complete printable area area image; Said complete printable area area image is transferred to model worktable top through said transfer printing belt, makes powder all fall into said model worktable by conventional on-load voltage;
⑹ after another or two photosensitive drum chargings obtain current potential,, form the electrostatic latent image of part or all of anti-graphics reflection through the said beam flying that is loaded with part or all of anti-graphics map information;
⑺ the electrostatic latent image of said part or all of anti-graphics reflection adsorbs the non-hot melt powder of one deck through after being located at the magnetic brush in the powder box; Make said non-hot melt powder fall into said model worktable by conventional on-load voltage, in said model worktable, form the part or all of anti-graphics that is paved into by said non-hot melt powder; Or
The electrostatic latent image of said part or all of anti-graphics reflection adsorbs the non-hot melt powder of one deck through after being located at the magnetic brush in the powder box; Transfer to model worktable top through the transfer printing belt, make said non-hot melt powder fall into said model worktable, in said model worktable, form the part or all of anti-graphics that is paved into by said non-hot melt powder by conventional on-load voltage; Or
The electrostatic latent image of said part or all of anti-graphics reflection is through after being located at the magnetic brush in the powder box; The non-hot melt powder of absorption one deck; And should be transferred on the said transfer printing belt by non-hot melt powder, hot melt powder on the said transfer printing belt and non-hot melt powder are paved into complete printable area area image; Said complete printable area area image is transferred to model worktable top through said transfer printing belt, makes powder all fall into said model worktable by conventional on-load voltage;
⑻ after every layer pattern was printed and accomplished, repeating step ⑷ ~ ⑺ continued to print last layer again, printed until whole 3D stereographic map to finish;
⑼ heat the hot melt powder of said model worktable in said model worktable and all be frozen into an integral body and get final product.
The layer thickness that decomposes the 3D stereographic map among the said step ⑴ equals the distance of adjacent two the printable dot center of printer.
Antiplane figure among the said step ⑴ is the difference set of printable area and said horizontal frontal plane figure; Said printable area is meant the projection of said model worktable interior zone at surface level.
The method of the said model worktable of heating is meant that heating is once promptly intermittently heated in the process of every printing one deck among the said step ⑼; Or heating always; Or heating again after the model printing finishes, the hot melt powder in said model worktable all is frozen into an integral body and gets final product.
Said photosensitive drums adopts the photosensitive drums of laser printer or LED printer.
The present invention compared with prior art has the following advantages:
1, owing to mainly adopt the photosensitive drums of laser printer or LED printer among the present invention, therefore, prints the resolution that the 3D stereographic map can be realized 1200 ~ 4800dpi.
2, the present invention adopts the critical piece of laser printer or LED printer to accomplish powder to lay, and the structure of brand-new design can realize per hour printing the thickness of 10 ~ 50cm, than the speed of the existing 3D printer fast manyfold of 2 ~ 5cm per hour.
3, the present invention adopts the brand new concept design, can print the product that existing 3D printers such as plastic products, low-temperature metal goods can't be printed, and realizes qualitative leap.
Description of drawings
Do further detailed explanation below in conjunction with the accompanying drawing specific embodiments of the invention.
Fig. 1 is a structural representation of the present invention.
Fig. 2 is another structural representation of the present invention.
Fig. 3 is the 3rd structural representation of the present invention.
Fig. 4 is the 4th structural representation of the present invention.
Fig. 5 is the 5th structural representation of the present invention.
Fig. 6 is the exploded view of example with the rectangular parallelepiped for the present invention.
Fig. 7 is the present invention
Embodiment 4Or
5The positive figure of part and the part anti-graphics of scanning photosensitive drums.
Among the figure: 1-model worktable, 2-photosensitive drums, 3-powder box, 4-chromacoder, 5-rotating shaft, 6-transfer printing belt.
Embodiment
Embodiment 1As shown in Figure 1, the 3D laser printer comprises model worktable 1 and places photosensitive drums 2, powder box 3 and the chromacoder 4 of model worktable 1 top.Photosensitive drums 2 contacts with powder box 3; Chromacoder 4 links to each other with computing machine.Photosensitive drums 2 is two, and this each photosensitive drums 2 is respectively equipped with a powder box 3, a chromacoder 4; One in two powder box 3 is filled with the hot melt powder, and another is filled with non-hot melt powder.
The method of application of 3D laser printer may further comprise the steps:
⑴ decompose the 3D stereographic map by computing machine by layer, forms the horizontal frontal plane figure of a series of from bottom to up sequence number rules, generates a corresponding with it antiplane figure when generating each horizontal frontal plane, and promptly every layer obtains positive and negative two figures (as shown in Figure 6).
Wherein: the layer thickness that decomposes the 3D stereographic map equals the distance of adjacent two the printable dot center of printer.Like resolution is 600dpi, and the spacing of then adjacent two printable dot center is 42.3 microns, and the thickness of also promptly pressing 42.3 microns decomposes the 3D stereographic map.
Antiplane figure is the difference set of printable area and horizontal frontal plane figure; Printable area is meant the projection of model worktable 1 interior zone at surface level.
⑵ start printer.
⑶ positive and negative two figures that computing machine generates convert the light beam that is loaded with positive and negative graphical information respectively to through chromacoder 4.
⑷ after one of them photosensitive drums 2 charging obtain current potential,, form the electrostatic latent image of positive figure reflection through being loaded with the beam flying of positive figure map information.
⑸ the electrostatic latent image of positive figure reflection adsorbs one deck hot melt powder through after being located at the magnetic brush in the powder box 3; Make the hot melt powder fall into model worktable 1 by conventional on-load voltage, in model worktable 1, form the positive figure that is paved into by the hot melt powder.
⑹ after another photosensitive drums 2 chargings obtain current potential,, form the electrostatic latent image of anti-graphics reflection through being loaded with the beam flying of anti-graphics map information.
⑺ the electrostatic latent image of anti-graphics reflection adsorbs the non-hot melt powder of one deck through after being located at the magnetic brush in the powder box 3; Make non-hot melt powder fall into model worktable 1 by conventional on-load voltage, in model worktable 1, form the anti-graphics that is paved into by non-hot melt powder.
⑻ after every layer pattern was printed and accomplished, repeating step ⑷ ~ ⑺ continued to print last layer again, printed until whole 3D stereographic map to finish.
Wherein: in the print procedure, photosensitive drums 2 and powder box 3, chromacoder 4 are done horizontal reciprocating movement all the time, and photosensitive drums 2 needs rotation simultaneously.
⑼ the hot melt powder of heating model worktable 1 in model worktable 1 all is frozen into an integral body and gets final product.
Embodiment 2As shown in Figure 2, the 3D laser printer comprises model worktable 1 and places photosensitive drums 2, powder box 3 and the chromacoder 4 of model worktable 1 top.Photosensitive drums 2 contacts with powder box 3; Chromacoder 4 links to each other with computing machine.Photosensitive drums is four, and this each photosensitive drums is respectively equipped with a powder box, a chromacoder; Two in four powder box are filled with the hot melt powder, and two are filled with non-hot melt powder in addition, and the powder box that is filled with the hot melt powder is crisscross arranged with the powder box that is filled with non-hot melt powder.
The method of application of 3D laser printer may further comprise the steps:
⑴ decompose the 3D stereographic map by computing machine by layer, forms the horizontal frontal plane figure of a series of from bottom to up sequence number rules, generates a corresponding with it antiplane figure when generating each horizontal frontal plane, and promptly every layer obtains positive and negative two figures (as shown in Figure 6).
Wherein: the layer thickness that decomposes the 3D stereographic map equals the distance of adjacent two the printable dot center of printer.Like resolution is 600dpi, and the spacing of then adjacent two printable dot center is 42.3 microns, and the thickness of also promptly pressing 42.3 microns decomposes the 3D stereographic map.
Antiplane figure is the difference set of printable area and horizontal frontal plane figure; Printable area is meant the projection of model worktable 1 interior zone at surface level.
⑵ start printer.
⑶ positive and negative two figures that computing machine generates convert the light beam that is loaded with positive and negative graphical information respectively to through chromacoder 4.
⑷ four photosensitive drums 2 after a photosensitive drums 2 chargings in two photosensitive drums 2 in left side obtain current potential, through being loaded with the beam flying of positive figure map information, form the electrostatic latent image of positive figure reflection simultaneously to left movement.
⑸ the electrostatic latent image of positive figure reflection adsorbs one deck hot melt powder through after being located at the magnetic brush in the powder box 3; Make the hot melt powder fall into model worktable 1 by conventional on-load voltage, in model worktable 1, form the positive figure that is paved into by the hot melt powder.
⑹ after another photosensitive drums 2 chargings in two photosensitive drums 2 in left side obtain current potential,, form the electrostatic latent image of anti-graphics reflection through being loaded with the beam flying of anti-graphics map information.
⑺ the electrostatic latent image of anti-graphics reflection adsorbs the non-hot melt powder of one deck through after being located at the magnetic brush in the powder box 3; Make non-hot melt powder fall into model worktable 1 by conventional on-load voltage, in model worktable 1, form the anti-graphics that is paved into by non-hot melt powder.
Two photosensitive drums in right side 2 are used the positive and negative figure signal scanning of last layer, and the same ⑷ ~ ⑺ of all the other steps forms the figure that is paved into by hot melt powder and non-hot melt powder and equals printable area figure in model worktable 1.
On the other hand, four photosensitive drums 2 move right simultaneously, and its step is with the step ⑷ when left movement ~ ⑺ is symmetrical fully simultaneously.
⑻ after every two-layer graphic printing is accomplished, repeating step ⑷ ~ ⑺, it is upward two-layer to continue printing again, prints until whole 3D stereographic map to finish.
Wherein: in the print procedure, photosensitive drums 2 and powder box 3, chromacoder 4 are done horizontal reciprocating movement all the time, and photosensitive drums 2 needs rotation simultaneously.
⑼ the hot melt powder of heating model worktable 1 in model worktable 1 all is frozen into an integral body and gets final product.
Embodiment 3As shown in Figure 3, the 3D laser printer, comprise model worktable 1 and place model worktable 1 top photosensitive drums 2, powder box 3, chromacoder 4, be fixed in the rotating shaft 5 on the body and place the transfer printing belt 6 in the rotating shaft 5.Photosensitive drums 2 contacts with powder box 3, transfer printing belt 6 respectively; Chromacoder 4 links to each other with computing machine.Transfer printing belt 6 is one, and which is provided with two photosensitive drums 2, and this each photosensitive drums 2 is respectively equipped with a powder box 3, a chromacoder 4; One in two powder box 3 is filled with the hot melt powder, and another is filled with non-hot melt powder.
The method of application of 3D laser printer may further comprise the steps:
⑴ decompose the 3D stereographic map by computing machine by layer, forms the horizontal frontal plane figure of a series of from bottom to up sequence number rules, generates a corresponding with it antiplane figure when generating each horizontal frontal plane, and promptly every layer obtains positive and negative two figures.
Wherein: the layer thickness that decomposes the 3D stereographic map equals the distance of adjacent two the printable dot center of printer.Like resolution is 600dpi, and the spacing of then adjacent two printable dot center is 42.3 microns, and the thickness of also promptly pressing 42.3 microns decomposes the 3D stereographic map.
Antiplane figure is the difference set of printable area and horizontal frontal plane figure; Printable area is meant the projection of model worktable 1 interior zone at surface level.
⑵ start printer.
⑶ positive and negative two figures that computing machine generates convert the light beam that is loaded with positive and negative graphical information respectively to through chromacoder 4.
⑷ after one of them photosensitive drums 2 charging obtain current potential,, form the electrostatic latent image of positive figure reflection through being loaded with the beam flying of positive figure map information.
⑸ the electrostatic latent image of positive figure reflection adsorbs one deck hot melt powder through after being located at the magnetic brush in the powder box 3; Transfer to model worktable 1 top through transfer printing belt 6, make the hot melt powder fall into model worktable 1, in model worktable 1, form the positive figure that is paved into by the hot melt powder by conventional on-load voltage.
⑹ after another photosensitive drums 2 chargings obtain current potential,, form the electrostatic latent image of anti-graphics reflection through being loaded with the beam flying of anti-graphics map information.
⑺ the electrostatic latent image of anti-graphics reflection adsorbs the non-hot melt powder of one deck through after being located at the magnetic brush in the powder box 3; Transfer to model worktable 1 top through transfer printing belt 6, make non-hot melt powder fall into model worktable 1, in model worktable 1, form the anti-graphics that is paved into by non-hot melt powder by conventional on-load voltage.
⑻ after every layer pattern was printed and accomplished, repeating step ⑷ ~ ⑺ continued to print last layer again, printed until whole 3D stereographic map to finish.
Wherein: in the print procedure, powder box 3, chromacoder 4 are fixed, and transfer printing belt 6 is along with rotating shaft 5 is rotated, and photosensitive drums 2 is rotated.
⑼ the hot melt powder of heating model worktable 1 in model worktable 1 all is frozen into an integral body and gets final product.
Embodiment 4As shown in Figure 4, the 3D laser printer, comprise model worktable 1 and place model worktable 1 top photosensitive drums 2, powder box 3, chromacoder 4, be fixed in the rotating shaft 5 on the body and place the transfer printing belt 6 in the rotating shaft 5.Photosensitive drums 2 contacts with powder box 3, transfer printing belt 6 respectively; Chromacoder 4 links to each other with computing machine.Transfer printing belt 6 is one, and which is provided with four photosensitive drums 2, and this each photosensitive drums 2 is respectively equipped with a powder box 3, a chromacoder 4; Two in four powder box 3 are filled with the hot melt powder, and two are filled with non-hot melt powder in addition, and the powder box 3 that is filled with the hot melt powder is crisscross arranged with the powder box 3 that is filled with non-hot melt powder.
The method of application of 3D laser printer may further comprise the steps:
⑴ decompose the 3D stereographic map by computing machine by layer; Form the horizontal frontal plane figure of a series of from bottom to up sequence number rules; Generate a corresponding with it antiplane figure when generating each horizontal frontal plane; Be every layer and obtain positive and negative two figures, positive and negative figure homogeneous is divided into two, forms two positive figures of part and two part anti-graphics (Fig. 7).
Wherein: the layer thickness that decomposes the 3D stereographic map equals the distance of adjacent two the printable dot center of printer.Like resolution is 600dpi, and the spacing of then adjacent two printable dot center is 42.3 microns, and the thickness of also promptly pressing 42.3 microns decomposes the 3D stereographic map.
Antiplane figure is the difference set of printable area and horizontal frontal plane figure; Printable area is meant the projection of model worktable 1 interior zone at surface level.
⑵ start printer.
⑶ two positive figures of part, two part anti-graphics that computing machine generates convert the light beam that is loaded with two positive figures of part, two part anti-graphics graphical informations respectively to through chromacoder 4.
⑷ through being loaded with the beam flying of two positive figure map informations of part, forms the electrostatic latent image that two positive figures of part are videoed after wherein 2 chargings of two photosensitive drums obtain current potentials.
⑸ the electrostatic latent image of the positive figure reflection of two parts is through after being located at the magnetic brush in the powder box 3; Absorption one deck hot melt powder; And respectively this hot melt powder is transferred on the transfer printing belt 6, on transfer printing belt 6, form the complete positive graph image that the hot melt powder is paved into.
Complete printable area area image is transferred to model worktable 1 top through transfer printing belt 6, makes powder all fall into model worktable 1 by conventional on-load voltage.
⑹ after other two photosensitive drums, 2 chargings obtain current potentials,, form the electrostatic latent image of two part anti-graphics reflections through being loaded with the beam flying of two part anti-graphics map informations.
⑺ the electrostatic latent image of two part anti-graphics reflections is through after being located at the magnetic brush in the powder box 3; The non-hot melt powder of absorption one deck; And should be transferred on the transfer printing belt 6 by non-hot melt powder respectively; On transfer printing belt 6, form the complete anti-graphics image that non-hot melt powder is paved into, hot melt powder on the transfer printing belt 6 and non-hot melt powder are paved into complete printable area area image.
Complete printable area area image is transferred to model worktable 1 top through transfer printing belt 6, makes powder all fall into model worktable 1 by conventional on-load voltage.
⑻ after every layer pattern was printed and accomplished, repeating step ⑷ ~ ⑺ continued to print last layer again, printed until whole 3D stereographic map to finish.
Wherein: in the print procedure, powder box 3, chromacoder 4 are fixed, and transfer printing belt 6 rotates with rotating shaft 5, photosensitive drums 2 rotations.
⑼ the hot melt powder of heating model worktable 1 in model worktable 1 all is frozen into an integral body and gets final product.
Embodiment 5As shown in Figure 5, the 3D laser printer, comprise model worktable 1 and place model worktable 1 top photosensitive drums 2, powder box 3, chromacoder 4, be fixed in the rotating shaft 5 on the body and place the transfer printing belt 6 in the rotating shaft 5.Photosensitive drums 2 contacts with powder box 3, transfer printing belt 6 respectively; Chromacoder 4 links to each other with computing machine.Transfer printing belt 6 is two, and every transfer printing belt 6 is provided with two photosensitive drums 2, and this each photosensitive drums 2 is respectively equipped with a powder box 3, a chromacoder 4; One in two powder box 3 on every transfer printing belt 6 is filled with the hot melt powder, and another is filled with non-hot melt powder.
The method of application of 3D laser printer does
The stack of embodiment 3 and embodiment 4
Above-mentioned
Embodiment 1 ~ 5Middle hot melt powder is meant that when temperature is lower than 50 ℃ it is the material of solid state powder; When temperature during at 50 ~ 500 ℃, a part or whole part fusing takes place, condense into bulk or be fused into the powder of fluent meterial.Non-hot melt powder is meant when temperature is-273 ~ 600 ℃ that it is the material of solid state powder.
The method of heating model worktable 1 is meant that heating is once promptly intermittently heated in the process of every printing one deck among the step ⑼; Or heating always; Or heating again after the model printing finishes, the hot melt powder in model worktable 1 all is frozen into an integral body and gets final product.
Should be appreciated that the embodiment that discusses and embodiment can propose various improvement and variation just in order to explain to the people who is familiar with this field here, these improvement and variation will be included in the application's spirit and the scope and appended claim scope.
Claims (12)
1.3D laser printer comprises model worktable (1) and places photosensitive drums (2), powder box (3) and the chromacoder (4) of said model worktable (1) top; Said photosensitive drums (2) contacts with said powder box (3); Said chromacoder (4) links to each other with computing machine, it is characterized in that: said photosensitive drums (2) is two, and this each said photosensitive drums (2) is respectively equipped with a said powder box (3), a chromacoder (4); One in said two powder box (3) is filled with the hot melt powder, and another is filled with non-hot melt powder.
2. 3D laser printer as claimed in claim 1 is characterized in that: said photosensitive drums (2) is four, and this each said photosensitive drums (2) is respectively equipped with a said powder box (3), a chromacoder (4); Two in said four powder box (3) are filled with the hot melt powder, and in addition two are filled with non-hot melt powder, and the powder box (3) that is filled with the hot melt powder is crisscross arranged with the powder box (3) that is filled with non-hot melt powder.
3. 3D laser printer as claimed in claim 1 is characterized in that: said photosensitive drums (2) is two, and its bottom is provided with a transfer printing belt (6), and this transfer printing belt (6) places in the rotating shaft (5) of being fixed on the body; Each said photosensitive drums (2) is respectively equipped with a said powder box (3), a chromacoder (4); One in said two powder box (3) is filled with the hot melt powder, and another is filled with non-hot melt powder.
4. 3D laser printer as claimed in claim 1 is characterized in that: said photosensitive drums (2) is four, and its bottom is provided with a transfer printing belt (6), and this transfer printing belt (6) places in the rotating shaft (5) of being fixed on the body; Each said photosensitive drums (2) is respectively equipped with a said powder box (3), a chromacoder (4); Two in said four powder box (3) are filled with the hot melt powder, and in addition two are filled with non-hot melt powder, and the powder box (3) that is filled with the hot melt powder is crisscross arranged with the powder box (3) that is filled with non-hot melt powder.
5. 3D laser printer as claimed in claim 1 is characterized in that: the bottom of said photosensitive drums (2) is provided with two transfer printing belts (6), and every transfer printing belt (6) is provided with two said photosensitive drums (2); Said transfer printing belt (6) places in the rotating shaft (5) of being fixed on the body; Each said photosensitive drums (2) is respectively equipped with a said powder box (3), a chromacoder (4); One in said two powder box (3) on the said every transfer printing belt (6) is filled with the hot melt powder, and another is filled with non-hot melt powder.
6. like claim 1,2,3,4 or 5 described 3D laser printers, it is characterized in that: said hot melt powder is meant that when temperature is lower than 50 ℃ it is the material of solid state powder; When temperature during at 50 ~ 500 ℃, a part or whole part fusing takes place, condense into bulk or be fused into the powder of fluent meterial.
7. like claim 1,2,3,4 or 5 described 3D laser printers, it is characterized in that: said non-hot melt powder is meant when temperature is-273 ~ 600 ℃ that it is the material of solid state powder.
8. like the method for application of claim 1,2,3,4 or 5 described 3D laser printers, may further comprise the steps:
⑴ decompose the 3D stereographic map by computing machine by layer, forms the horizontal frontal plane figure of a series of from bottom to up sequence number rules, generates a corresponding with it antiplane figure when generating each horizontal frontal plane, and promptly every layer obtains partly or entirely positive and negative two figures;
⑵ start printer;
⑶ said partly or entirely positive and negative two figures that computing machine generates convert the light beam that is loaded with part or all of positive and negative graphical information respectively to through chromacoder (4);
⑷ after one of them or two photosensitive drums (2) charging obtains current potential,, form the electrostatic latent image of partly or entirely positive figure reflection through the said beam flying that is loaded with partly or entirely positive figure map information;
⑸ after the electrostatic latent image process of said partly or entirely positive figure reflection is located at the magnetic brush in the powder box (3), absorption one deck hot melt powder; Make said hot melt powder fall into model worktable (1) by conventional on-load voltage, in said model worktable (1), form the partly or entirely positive figure that is paved into by said hot melt powder; Or
After the electrostatic latent image process of said partly or entirely positive figure reflection is located at the magnetic brush in the powder box (3), absorption one deck hot melt powder; Transfer to model worktable (1) top through transfer printing belt (6), make said hot melt powder fall into model worktable (1), in said model worktable (1), form the partly or entirely positive figure that is paved into by said hot melt powder by conventional on-load voltage; Or
The electrostatic latent image of said part or all of positive figure reflection adsorbs one deck hot melt powder through after being located at the magnetic brush in the powder box (3), and this hot melt powder is transferred on the transfer printing belt (6); Hot melt powder on the said transfer printing belt (6) and non-hot melt powder are paved into complete printable area area image; Said complete printable area area image is transferred to model worktable (1) top through said transfer printing belt (6), makes powder all fall into said model worktable (1) by conventional on-load voltage;
⑹ after another or two photosensitive drums (2) charging obtains current potential,, form the electrostatic latent image of part or all of anti-graphics reflection through the said beam flying that is loaded with part or all of anti-graphics map information;
⑺ the electrostatic latent image of said part or all of anti-graphics reflection adsorbs the non-hot melt powder of one deck through after being located at the magnetic brush in the powder box (3); Make said non-hot melt powder fall into said model worktable (1) by conventional on-load voltage, in said model worktable (1), form the part or all of anti-graphics that is paved into by said non-hot melt powder; Or
The electrostatic latent image of said part or all of anti-graphics reflection adsorbs the non-hot melt powder of one deck through after being located at the magnetic brush in the powder box (3); Transfer to model worktable (1) top through transfer printing belt (6); Make said non-hot melt powder fall into said model worktable (1) by conventional on-load voltage, in said model worktable (1), form the part or all of anti-graphics that is paved into by said non-hot melt powder; Or
The electrostatic latent image of said part or all of anti-graphics reflection is through after being located at the magnetic brush in the powder box (3); The non-hot melt powder of absorption one deck; And should be transferred on the said transfer printing belt (6) by non-hot melt powder, hot melt powder on the said transfer printing belt (6) and non-hot melt powder are paved into complete printable area area image; Said complete printable area area image is transferred to model worktable (1) top through said transfer printing belt (6), makes powder all fall into said model worktable (1) by conventional on-load voltage;
⑻ after every layer pattern was printed and accomplished, repeating step ⑷ ~ ⑺ continued to print last layer again, printed until whole 3D stereographic map to finish;
⑼ heat the hot melt powder of said model worktable (1) in said model worktable (1) and all be frozen into an integral body and get final product.
9. the method for application of 3D laser printer as claimed in claim 8 is characterized in that: the layer thickness that decomposes the 3D stereographic map among the said step ⑴ equals the distance of adjacent two the printable dot center of printer.
10. the method for application of 3D laser printer as claimed in claim 9 is characterized in that: the antiplane figure among the said step ⑴ is the difference set of printable area and said horizontal frontal plane figure; Said printable area is meant the projection of said model worktable (1) interior zone at surface level.
11. the method for application of 3D laser printer as claimed in claim 8 is characterized in that: the method for the said model worktable of heating (1) is meant that heating is once promptly intermittently heated in the process of every printing one deck among the said step ⑼; Or heating always; Or heating again after the model printing finishes, the hot melt powder in said model worktable (1) all is frozen into an integral body and gets final product.
12. 3D laser printer as claimed in claim 1 is characterized in that: said photosensitive drums (2) adopts the photosensitive drums of laser printer or LED printer.
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| CN2012100840611A CN102608890A (en) | 2012-03-27 | 2012-03-27 | 3D (three dimensional) laser printer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012100840611A CN102608890A (en) | 2012-03-27 | 2012-03-27 | 3D (three dimensional) laser printer |
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| CN2012100840611A Pending CN102608890A (en) | 2012-03-27 | 2012-03-27 | 3D (three dimensional) laser printer |
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Application publication date: 20120725 |