CN109397693B

CN109397693B - Full-color 3D printer

Info

Publication number: CN109397693B
Application number: CN201811129239.3A
Authority: CN
Inventors: 毛涛; 刘潇; 刘玉芮
Original assignee: Ningxia Vocational Technical College Of Industry And Commerce Ningxia Chemical Technical School School Of Mechanical And Electrical Engineering Ningxia Agricultural Mechanization School
Current assignee: Ningxia Vocational Technical College Of Industry And Commerce Ningxia Chemical Technical School School Of Mechanical And Electrical Engineering Ningxia Agricultural Mechanization School
Priority date: 2018-09-17
Filing date: 2018-09-17
Publication date: 2020-09-01
Anticipated expiration: 2038-09-17
Also published as: CN109397693A

Abstract

The utility model provides a full-color 3D printer, the on-line screen storage device comprises a base, base upper portion is equipped with first diaphragm, all through curb plate fixed connection between the both ends of first diaphragm and the base, the equal fixed mounting of inboard of curb plate erects the rail, all cooperate the first slider that installs and have power on the perpendicular rail, through second diaphragm fixed connection between two first sliders, the vertical first barrel of fixed mounting in the middle of the second diaphragm bottom, the first through-hole of several evenly distributed is seted up to first barrel external side, it is equipped with vertical second barrel to be close to lower extreme department in the first barrel, first barrel is both ends with the second barrel and seals, the second through-hole is all seted up to the corresponding first through-hole department in second barrel side. The full-color 3D printer can change different colors at any time according to the printing requirement, can automatically match and stir a plurality of different colors, has a simple and ingenious structure, is simpler in structure compared with the traditional full-color 3D printer, and reduces the manufacturing cost.

Description

Full-color 3D printer

Technical Field

The invention belongs to the technical field of 3D printing, and particularly relates to a full-color 3D printer.

Background

A 3D printer, also known as a three-dimensional printer (3 DP), is a machine that is an additive manufacturing technique, i.e., a rapid prototyping technique. The working principle of the 3D printer is basically the same as that of a common printer, printing materials are superposed layer by layer under the control of a computer, and finally, blueprints on the computer are changed into real objects. This technique is often used in the field of mold making, industrial design, etc. for making models or for direct manufacture of some products. At present, various 3D printing technologies exist, and common technologies include three-dimensional printing of bonding materials, three-dimensional printing of photocuring, three-dimensional printing of melting materials, and the like. The technique that adopts in the 3D printing field, no matter be SLS, SLA, FDM or other technique, almost all 3D printers all are monochromatic printing, can't realize the true colour outward appearance of model, and then satisfy the higher requirement of user, also have the 3D printer that can realize full-color printing at present, nevertheless these printers lead to the structure complicacy in order to realize the ratio regulatory function of the pigment of multiple different colors, manufacturing cost is higher, it is inconvenient to use, and these printers majority do not realize stirring the function with the mixed pigment of ratio automatic fast.

Disclosure of Invention

The invention provides a full-color 3D printer, which is used for solving the defects in the prior art.

The invention is realized by the following technical scheme:

a full-color 3D printer comprises a base, wherein a first transverse plate is arranged at the upper part of the base, two ends of the first transverse plate are fixedly connected with the base through side plates, vertical rails are fixedly arranged at the inner sides of the side plates, first sliders with power are arranged on the vertical rails in a matched manner, the two first sliders are fixedly connected through a second transverse plate, a vertical first barrel is fixedly arranged in the middle of the bottom of the second transverse plate, a plurality of uniformly distributed first through holes are formed in the peripheral side surface of the first barrel, a vertical second barrel is arranged in the first barrel close to the lower end, both ends of the first barrel and the second barrel are sealed, second through holes are formed in the side surface of the second barrel corresponding to the first through holes, the second through holes are fixedly connected with the corresponding first through holes through transverse pipes, a vertical motor is fixedly arranged in the middle of the top of the first barrel, a third through hole is formed in the middle of the top surface of the second barrel, a first vertical shaft is movably arranged in the third through hole, the upper end of a first vertical shaft is fixedly connected with the lower end of an output shaft of a motor, transverse shafts are arranged in the transverse pipes, first sleeve pipes are sleeved at the outer ends of the transverse shafts through bearings, the first sleeve pipes are fixedly connected with the inner walls of the corresponding transverse pipes through supports, circular plates are fixedly installed inside the ends of the transverse pipes close to a second barrel, a fourth through hole is formed in the middle of each circular plate, a cylinder is arranged at the inner end of each fourth through hole, the inner end of each cylinder can seal the corresponding fourth through hole, a blind hole is formed in the middle of the outer end of each cylinder, the inner ends of the transverse shafts are inserted into the corresponding blind holes, a plurality of transverse rods are uniformly distributed on the peripheries of the inner ends of the transverse shafts, one ends of the transverse rods are fixedly connected with one ends of hinge rods, the hinge rods are perpendicular to the corresponding transverse rods, the other ends of the hinge rods are hinged with the corresponding side portions of the transverse shafts, the side, the side surface of the inner end of the cross shaft is in contact fit with the inner side surface of the corresponding blind hole, the top of the transverse pipe is provided with a fifth through hole, a second vertical shaft is movably arranged in the fifth through hole through a bearing, a first conical roller is fixedly arranged at the upper end of the second vertical shaft, the small diameter end of the first conical roller faces upwards, the inner sides of the first conical rollers are respectively provided with a third vertical shaft, the upper end of the third vertical shaft is movably connected with a top bearing in the first cylinder body, a second conical roller is fixedly arranged at the lower end of the third vertical shaft, the small diameter end of the second conical roller faces downwards, a first gear is fixedly arranged on an output shaft of the motor, second gears are fixedly arranged on the third vertical shaft, the second gears are respectively engaged and matched with the first gear, inclined shafts are respectively arranged between the corresponding first conical roller and the corresponding second conical roller, the lower ends of the inclined shafts are provided with driving wheels through bearings, the inclined shafts are parallel to the side surfaces of the corresponding first conical roller and the second conical roller, and the driving, the upper end of the oblique shaft is fixedly connected with the lower end of a movable rod of an electric telescopic rod, the electric telescopic rod is fixedly arranged on the inner wall of the first barrel through a bracket, the electric telescopic rod is coaxial with the central line of the corresponding oblique shaft, a plurality of first stirring rods which are uniformly distributed are fixedly arranged on the partial side surface of the first vertical shaft in the second barrel, a sixth through hole is arranged in the middle of the lower end surface of the first barrel, a seventh through hole is arranged in the middle of the lower end surface of the second barrel, a printing spray pipe is arranged in the sixth through hole, the upper end of the printing spray pipe is fixedly connected with the lower end of the seventh through hole, a printing nozzle is fixedly arranged at the lower end of the printing spray pipe, an X-axis slide rail is fixedly arranged at the top of the base, a second slide block with self-power is arranged on the X-axis slide rail in a matching manner, a Y-axis slide rail is fixedly arranged on the upper part of the second, the equal fixed mounting connecting pipe in outer end of first through-hole, the silo all passes through conveying pipeline fixed connection with the connecting pipe outer end that corresponds, the silo is used for holding photosensitive resin liquid, photosensitive resin liquid can flow into the corresponding violently intraduct through the conveying pipeline that corresponds, it sets up the light curing device to print shower nozzle bilateral symmetry, the first bevel gear of lower extreme fixed mounting of second vertical axis, fixed mounting second bevel gear on the cross axle, second bevel gear and the meshing cooperation of the first bevel gear that corresponds, the first helical blade of first vertical axis lower extreme periphery fixed mounting.

In the full-color 3D printer, the second helical blade is fixedly mounted on the cross shaft, and the second helical blade and the corresponding cross shaft are in an integral structure.

As above a full-color 3D printer, the second barrel be close to upper end department inner wall fixed mounting ring gear, the ring gear tooth is inwards, the position fixed mounting third gear of ring gear is corresponding to first vertical axis, through bearing suit annular plate on the first vertical axis, the annular plate is located the upside of third gear, set up the planetary gear of several evenly distributed from taking the pivot between third gear and the ring gear, planetary gear's pivot upper end and annular plate bottom bearing swing joint, planetary gear's pivot lateral part fixed mounting several evenly distributed's second puddler.

According to the full-color 3D printer, the second vertical shaft is sleeved with the second sleeve through the bearing, the inclined shaft is sleeved with the third sleeve through the linear bearing, and the second sleeve and the third sleeve are fixedly connected with the inner wall of the first cylinder through the support.

According to the full-color 3D printer, the first tapered roller, the second tapered roller and the transmission wheel are all made of rubber materials.

According to the full-color 3D printer, the other end of the cross rod is fixedly provided with the balancing weight.

According to the full-color 3D printer, the inner side face of the blind hole is provided with the guide groove, the inner end of the cross shaft is fixedly provided with the guide block, and the guide block is inserted into the corresponding guide groove.

According to the full-color 3D printer, the bearing is a sealing bearing.

The invention has the advantages that: the full-color 3D printer can change different colors at any time according to the printing requirement, can automatically match and stir a plurality of different colors, has a simple and ingenious structure, is simpler in structure compared with the traditional full-color 3D printer, reduces the manufacturing cost, can meet the requirements of users on different colors, and realizes full-color 3D printing. When the device works, photosensitive resin liquid in a trough flows into the corresponding transverse pipe through the corresponding material conveying pipe, then the motor rotates, the motor drives the first vertical shaft to rotate, the first stirring rod and the first helical blade rotate along with the first stirring rod, meanwhile, the motor drives the third vertical shaft to rotate through the meshing fit of the second gear and the first gear, the corresponding second conical roller rotates along with the second stirring rod, the first conical roller rotates along with the second vertical shaft under the transmission action of the transmission wheel, the second vertical shaft rotates along with the corresponding first conical roller, the second vertical shaft drives the corresponding transverse shaft to rotate through the meshing fit of the second conical gear and the corresponding first conical gear, the transverse shaft drives the corresponding transverse shafts to rotate, an integrated structure of the transverse shaft and the hinge rod rotates for a certain angle around the hinge joint of the hinge rod and the transverse shaft under the action of centrifugal force, and the corresponding column body can be pulled to move along the transverse shaft through the connecting rod when the hinge rod rotates around the hinge joint of, when the cylinder moves, a certain gap is formed between the cylinder and the inner end of the corresponding fourth through hole, photosensitive resin liquid in the transverse pipe flows into the second cylinder, the flowing photosensitive resin liquid with different colors is quickly and uniformly stirred under the rotation of the first stirring rod, the uniformly stirred pigment is extruded by the first spiral blade and is sprayed out through the printing spray pipe and the printing nozzle, the printing table can move in the X direction and the Y direction in the horizontal plane under the matching work of the second sliding block and the third sliding block, the printing nozzle can move up and down under the work of the first sliding block, full-color 3D printing can be completed under the matching, the proportion of the photosensitive resin liquid with different colors needs to be adjusted in the printing process, an electric telescopic rod corresponding to the color needs to be controlled, and the position of the driving wheel between the corresponding first conical roller and the corresponding second conical roller can be adjusted through the expansion and contraction of the electric telescopic rod, the transmission ratio between the second conical roller and the corresponding first conical roller can be adjusted by adjusting the position of the transmission wheel between the corresponding first conical roller and the second conical roller, the rotating speed of the corresponding second vertical shaft can be adjusted by changing the transmission ratio, the rotating speed of the corresponding transverse shaft can be adjusted, the centrifugal force applied to the other end of the transverse shaft can be changed by changing the rotating speed of the transverse shaft, the rotating angle of the hinged rod around the hinged part can be adjusted, the size of a gap between the cylinder and the inner end of the corresponding fourth through hole can be adjusted under the matching of the spring, the speed of the photosensitive resin liquid in the corresponding transverse pipe flowing into the second cylinder can be adjusted, and the occupation ratio of the mixed pigment of the photosensitive resin liquid corresponding to the second cylinder in the second cylinder can be adjusted.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention; FIG. 2 is an enlarged view of a portion I of FIG. 1; FIG. 3 is a partial enlarged view of the portion of FIG. 2; FIG. 3 is a partial enlarged view of section II of FIG. 2; FIG. 4 is a partial enlarged view of section III of FIG. 2; fig. 5 is a partially enlarged view of the portion iv of fig. 2.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

A full-color 3D printer is shown in the figure, and comprises a base 1, wherein a first transverse plate 2 is arranged at the upper part of the base 1, two ends of the first transverse plate 2 are fixedly connected with the base 1 through side plates 3, vertical rails 4 are fixedly arranged at the inner sides of the side plates 3, first sliders 5 with power are arranged on the vertical rails 4 in a matching way, the two first sliders 5 are fixedly connected with each other through a second transverse plate 6, a vertical first barrel 7 is fixedly arranged in the middle of the bottom of the second transverse plate 6, a plurality of uniformly distributed first through holes 8 are arranged on the peripheral side surface of the first barrel 7, a vertical second barrel 9 is arranged in the first barrel 7 and close to the lower end, the two ends of the first barrel 7 and the second barrel 9 are sealed, second through holes 10 are arranged on the side surface of the second barrel 9 and correspond to the first through holes 8, the second through holes 10 are fixedly connected with the corresponding first through transverse pipes 11, a vertical motor 12 is fixedly arranged in the middle of the top part in the first barrel 7, a third through hole 59 is arranged in the middle of the top surface of the second cylinder 9, a first vertical shaft 14 is movably arranged in the third through hole 59 through a bearing, the upper end of the first vertical shaft 14 is fixedly connected with the lower end of an output shaft of a motor 12, a horizontal shaft 13 is arranged in each horizontal pipe 11, a first sleeve 52 is sleeved at the outer end of each horizontal shaft 13 through a bearing, the first sleeve 52 is fixedly connected with the inner wall of the corresponding horizontal pipe 11 through a support, circular plates 15 are fixedly arranged in the ends of the horizontal pipes 11 close to the second cylinder 9, a fourth through hole 16 is arranged in the middle of each circular plate 15, a column 17 is arranged at the inner end of each fourth through hole 16, the inner end of each column 17 can seal the corresponding fourth through hole 16, a blind hole 18 is arranged in the middle of the outer end of each column 17, the inner end of each horizontal shaft 13 is inserted into the corresponding blind hole 18, a plurality of cross rods 19 are uniformly distributed on the peripheries of the inner ends of the horizontal shafts 13, the other end of the hinge rod 20 is hinged with the corresponding lateral part of the cross shaft 13, the lateral part of one end of the hinge rod 20 is hinged with the outer end of the corresponding column 17 through a connecting rod 21, the inner end of the cross shaft 13 is fixedly connected with the inner bottom of the corresponding blind hole 18 through a spring 22, the lateral side of the inner end of the cross shaft 13 is in contact fit with the inner side of the corresponding blind hole 18, the top of the transverse pipe 11 is provided with a fifth through hole 23, a second vertical shaft 24 is movably arranged in the fifth through hole 23 through a bearing, the upper end of the second vertical shaft 24 is fixedly provided with a first tapered roller 25, the small diameter end of the first tapered roller 25 faces upwards, the inner sides of the first tapered rollers 25 are respectively provided with a third vertical shaft 26, the upper end of the third vertical shaft 26 is movably connected with the top bearing in the first cylinder 7, the lower end of the third vertical shaft 26 is fixedly provided with a second tapered roller 27, the small diameter end of the second tapered, second gears 29 are fixedly arranged on third vertical shafts 26, the second gears 29 are engaged with the first gears 28, inclined shafts 30 are arranged between the corresponding first conical rollers 25 and the corresponding second conical rollers 27, the lower ends of the inclined shafts 30 are provided with driving wheels 31 through bearings, the inclined shafts 30 are parallel to the corresponding side surfaces of the first conical rollers 25 and the second conical rollers 27, the driving wheels 31 are in contact fit with the corresponding side surfaces of the first conical rollers 25 and the second conical rollers 27, the upper ends of the inclined shafts 30 are fixedly connected with the lower ends of movable rods of electric telescopic rods 32, the electric telescopic rods 32 are fixedly arranged on the inner wall of the first barrel 7 through brackets, the electric telescopic rods 32 are coaxial with the center lines of the corresponding inclined shafts 30, a plurality of uniformly distributed first stirring rods 33 are fixedly arranged on the partial side surfaces of the first vertical shafts 14 in the second barrel 9, a sixth through hole 34 is arranged in the middle of the lower end surface of the first barrel 7, a seventh through hole 35 is arranged in the middle of the lower end surface of the second barrel 9, a printing spray pipe 36 is arranged in the sixth through hole 34, the upper end of the printing spray pipe 36 is fixedly connected with the lower end of the seventh through hole 35, a printing spray head 37 is fixedly arranged at the lower end of the printing spray pipe 36, an X-axis slide rail 38 is fixedly arranged at the top of the base 1, a second slide block 39 with power is arranged on the X-axis slide rail 38 in a matching way, a Y-axis slide rail 40 is fixedly arranged at the upper part of the second slide block 39, a third slide block 41 with power is arranged on the Y-axis slide rail 40 in a matching way, a printing table 60 is fixedly arranged at the upper part of the third slide block 41, a plurality of material grooves 42 are fixedly arranged at the upper part of the first transverse plate 2, connecting pipes 43 are fixedly arranged at the outer end of the first through hole 8, the material grooves 42 are fixedly connected with the outer ends of the corresponding connecting pipes 43 through material conveying pipes 44, the material grooves 42 are used for containing photosensitive resin liquid, the light curing device is the prior art, and will not be described herein again, a first bevel gear 45 is fixedly mounted at the lower end of the second vertical shaft 24, a second bevel gear 46 is fixedly mounted on the transverse shaft 13, the second bevel gear 46 is engaged with the corresponding first bevel gear 45, and a first helical blade 61 is fixedly mounted on the periphery of the lower end of the first vertical shaft 14. The full-color 3D printer can change different colors at any time according to the printing requirement, can automatically match and stir a plurality of different colors, has a simple and ingenious structure, is simpler in structure compared with the traditional full-color 3D printer, reduces the manufacturing cost, can meet the requirements of users on different colors, and realizes full-color 3D printing. When the invention works, the photosensitive resin liquid in the trough 42 flows into the corresponding transverse pipe 11 through the corresponding material conveying pipe 44, then the motor 12 rotates, the motor 12 drives the first vertical shaft 14 to rotate, the first stirring rod 33 and the first helical blade 61 rotate along with the rotation, meanwhile, the motor 12 drives the third vertical shaft 26 to rotate through the meshing cooperation of the second gear 29 and the first gear 28, the corresponding second conical roller 27 rotates along with the rotation, under the transmission action of the transmission wheel 31, the first conical roller 25 rotates along with the rotation, the second vertical shaft 24 rotates along with the corresponding first conical roller 25, the second vertical shaft 24 drives the corresponding transverse shaft 13 to rotate through the meshing cooperation of the second conical gear 46 and the corresponding first conical gear 45, the transverse shaft 13 drives the corresponding transverse rods 19 to rotate, under the action of centrifugal force, the integral structure of the transverse rods 19 and the hinge rods 20 rotates for a certain angle around the hinge joints of the hinge rods 20 and the transverse shafts 13, when the hinged rod 20 rotates around the hinged position, the corresponding cylinder 17 can be pulled by the connecting rod 21 to move along the cross shaft 13, when the cylinder 17 moves, a certain gap is formed between the cylinder 17 and the inner end of the corresponding fourth through hole 16, at this time, the photosensitive resin liquid in the transverse pipe 11 flows into the second cylinder 9, the flowing photosensitive resin liquids with different colors are quickly and uniformly stirred under the rotation of the first stirring rod 33, the uniformly stirred pigment is extruded by the first spiral blade 61 and is sprayed out through the printing spray pipe 36 and the printing spray head 37, the printing table 60 can move in the X direction and the Y direction in the horizontal plane under the matching operation of the second sliding block 39 and the third sliding block 41, the printing spray head 37 can move up and down under the operation of the first sliding block 5, full-color 3D printing can be completed under the matching operation, the proportion of the photosensitive resin liquids with different colors needs to be adjusted in the printing process, and the electric telescopic rod 32 corresponding to the color needs to be controlled, the position of the transmission wheel 31 between the corresponding first tapered roller 25 and the corresponding second tapered roller 27 can be adjusted by adjusting the position of the transmission wheel 31 between the corresponding first tapered roller 25 and the corresponding second tapered roller 27, the transmission ratio between the second tapered roller 27 and the corresponding first tapered roller 25 can be adjusted by changing the transmission ratio, the rotating speed of the corresponding second vertical shaft 24 can be adjusted by changing the transmission ratio, so that the rotating speed of the corresponding transverse shaft 13 can be adjusted, the centrifugal force applied to the other end of the transverse shaft 19 can be changed by changing the rotating speed of the transverse shaft 13, so that the rotating angle of the hinge rod 20 around the hinge joint can be adjusted, the gap between the column 17 and the inner end of the corresponding fourth through hole 16 can be adjusted under the cooperation of the spring 22, so that the speed of the photosensitive resin liquid in the corresponding transverse pipe 11 flowing into the second cylinder 9 can be adjusted, and the mixed color of the photosensitive resin liquid in the second cylinder 9 corresponding to the second cylinder 9 can be adjusted The proportion of the materials.

Specifically, as shown in the drawings, the second helical blade 47 is fixedly attached to the lateral shaft 13 in the present embodiment, and the second helical blade 47 is integrally formed with the corresponding lateral shaft 13. The second helical blade 47 rotates along with the corresponding transverse shaft 13, so that power can be provided for conveying the photosensitive resin liquid entering the transverse pipe 11 into the second cylinder 9, the power changes along with the change of the rotating speed of the transverse shaft 13, the larger the distance between the cylinder 17 and the corresponding fourth through hole 16 is, the larger the power is, and the speed of conveying the photosensitive resin liquid into the second cylinder 9 is further controllable.

Specifically, as shown in the figure, the ring gear 48 is fixedly mounted on the inner wall of the second cylinder 9 near the upper end, teeth of the ring gear 48 face inward, the third gear 49 is fixedly mounted on the first vertical shaft 14 corresponding to the ring gear 48, the annular plate 50 is sleeved on the first vertical shaft 14 through a bearing, the annular plate 50 is located on the upper side of the third gear 49, a plurality of uniformly distributed planetary gears 51 with rotating shafts are arranged between the third gear 49 and the ring gear 48, the upper ends of the rotating shafts of the planetary gears 51 are movably connected with the bottom bearing of the annular plate 50, and a plurality of uniformly distributed second stirring rods 53 are fixedly mounted on the side of the rotating shaft of the planetary gears 51. When the first vertical shaft 14 rotates, the rotation shaft of the planetary gear 51 revolves around the first vertical shaft 14 while rotating itself, and the second stirring rod 53 rotates around the rotation shaft of the planetary gear 51 to further increase the speed of stirring the photosensitive resin liquid entering the second cylinder 9 uniformly.

Further, as shown in the figure, the second vertical shaft 24 according to the embodiment is sleeved with a second sleeve 54 through a bearing, the inclined shaft 30 is sleeved with a third sleeve 55 through a linear bearing, and the second sleeve 54 and the third sleeve 55 are fixedly connected with the inner wall of the first cylinder 7 through a bracket. The stability of the mounting of the second vertical shaft 24 and the oblique shaft 30 can be improved by this design.

Furthermore, as shown in the figure, the first tapered roller 25, the second tapered roller 27 and the transmission wheel 31 of the embodiment are made of rubber. This design can improve the friction force between the first taper roller 25, the second taper roller 27 and the transmission wheel 31.

Further, as shown in the drawings, the other end of the cross bar 19 of the present embodiment is fixedly installed with a weight block 56. The weight 56 can increase the mass of the other end of the cross bar 19, and when the cross shaft 13 rotates, the hinge rod 20 provides enough tension to the column 17 through the connecting rod 21, so as to ensure that the column 17 can be separated from the inner end of the corresponding fourth through hole 16.

Furthermore, as shown in the drawings, the inner side surface of the blind hole 18 according to the embodiment is provided with a guide slot 57, the inner end of the cross shaft 13 is fixedly provided with a guide block 58, and the guide block 58 is inserted into the corresponding guide slot 57. The design can ensure that the column 17 can synchronously rotate along with the transverse shaft 13.

Further, as shown in the drawings, the bearing according to the present embodiment is a sealed bearing. The design can improve the structural sealing property of the invention and ensure that the photosensitive resin liquid does not leak.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a full-color 3D printer which characterized in that: comprises a base (1), a first transverse plate (2) is arranged at the upper part of the base (1), two ends of the first transverse plate (2) are fixedly connected with the base (1) through side plates (3), vertical rails (4) are fixedly arranged at the inner sides of the side plates (3), first sliders (5) with power are arranged on the vertical rails (4) in a matching way, the two first sliders (5) are fixedly connected with each other through a second transverse plate (6), a vertical first barrel body (7) is fixedly arranged in the middle of the bottom of the second transverse plate (6), a plurality of first through holes (8) are uniformly distributed on the peripheral side surface of the first barrel body (7), a vertical second barrel body (9) is arranged in the first barrel body (7) and close to the lower end, two ends of the first barrel body (7) and the second barrel body (9) are both closed, second through holes (10) are arranged on the side surface of the second barrel body (9) corresponding to the first through holes (8), and the second through holes (10) are fixedly connected with the corresponding first through transverse pipes (11), a vertical motor (12) is fixedly installed in the middle of the top in the first barrel (7), a third through hole (59) is formed in the middle of the top surface of the second barrel (9), a first vertical shaft (14) is movably installed in the third through hole (59) through a bearing, the upper end of the first vertical shaft (14) is fixedly connected with the lower end of an output shaft of the motor (12), transverse shafts (13) are arranged in the transverse pipes (11), first sleeves (52) are sleeved at the outer ends of the transverse shafts (13) through bearings, the first sleeves (52) are fixedly connected with the inner walls of the corresponding transverse pipes (11) through brackets, circular plates (15) are fixedly installed inside one ends, close to the second barrel (9), of the transverse pipes (11), a fourth through hole (16) is formed in the middle of each circular plate (15), a cylinder (17) is arranged at the inner end of each fourth through hole (16), the inner ends of the cylinders (17) can seal the corresponding fourth through holes (16), and blind holes (18), the inner ends of the transverse shafts (13) are inserted into the corresponding blind holes (18), a plurality of cross rods (19) which are uniformly distributed are arranged on the periphery of the inner ends of the transverse shafts (13), one ends of the cross rods (19) are fixedly connected with one ends of the hinge rods (20), the hinge rods (20) are perpendicular to the corresponding cross rods (19), the other ends of the hinge rods (20) are hinged with the corresponding side parts of the transverse shafts (13), one end side parts of the hinge rods (20) are hinged with the corresponding outer ends of the columns (17) through connecting rods (21), the inner ends of the transverse shafts (13) are fixedly connected with the inner bottom parts of the corresponding blind holes (18) through springs (22), the inner end side surfaces of the transverse shafts (13) are in contact fit with the inner side surfaces of the corresponding blind holes (18), fifth through holes (23) are formed in the tops of the transverse pipes (11), second vertical shafts (24) are movably installed in the fifth through bearings, first tapered rollers (25) are fixedly installed at the upper ends of, the small diameter end of the first conical roller (25) faces upwards, the inner side of the first conical roller (25) is provided with a third vertical shaft (26), the upper end of the third vertical shaft (26) is movably connected with a bearing at the inner top of the first barrel body (7), the lower end of the third vertical shaft (26) is fixedly provided with a second conical roller (27), the small diameter end of the second conical roller (27) faces downwards, a first gear (28) is fixedly arranged on an output shaft of the motor (12), a second gear (29) is fixedly arranged on the third vertical shaft (26), the second gear (29) is meshed and matched with the first gear (28), an inclined shaft (30) is arranged between the corresponding first conical roller (25) and the second conical roller (27), the lower end of the inclined shaft (30) is provided with a transmission wheel (31) through a bearing, the inclined shaft (30) is parallel to the side faces of the corresponding first conical roller (25) and the second conical roller (27), and the transmission wheel (31) is in contact and matched with the corresponding first conical roller (25) and the side face of the second conical roller (27), the upper end of an inclined shaft (30) is fixedly connected with the lower end of a movable rod of an electric telescopic rod (32), the electric telescopic rod (32) is fixedly installed on the inner wall of a first barrel body (7) through a support, the electric telescopic rod (32) is coaxial with the central line of the corresponding inclined shaft (30), a plurality of first stirring rods (33) which are uniformly distributed are fixedly installed on the side surface of the part of a first vertical shaft (14) positioned in a second barrel body (9), a sixth through hole (34) is formed in the middle of the lower end surface of the first barrel body (7), a seventh through hole (35) is formed in the middle of the lower end surface of the second barrel body (9), a printing spray pipe (36) is arranged in the sixth through hole (34), the upper end of the printing spray pipe (36) is fixedly connected with the lower end of the seventh through hole (35), a printing spray head (37) is fixedly installed at the lower end of the printing spray pipe (36), an X-axis slide rail (38) is fixedly installed at the, a Y-axis slide rail (40) is fixedly arranged on the upper part of a second slide block (39), a third slide block (41) with power is arranged on the Y-axis slide rail (40) in a matched mode, a printing table (60) is fixedly arranged on the upper part of the third slide block (41), a plurality of material troughs (42) are fixedly arranged on the upper part of a first transverse plate (2), connecting pipes (43) are fixedly arranged at the outer ends of first through holes (8), the material troughs (42) are fixedly connected with the outer ends of the corresponding connecting pipes (43) through material conveying pipes (44), the material troughs (42) are used for containing photosensitive resin liquid, the photosensitive resin liquid can flow into the corresponding transverse pipes (11) through the corresponding material conveying pipes (44), photocuring devices are symmetrically arranged on the two sides of a printing nozzle (37), a first bevel gear (45) is fixedly arranged at the lower end of a second vertical shaft (24), a second bevel gear (46) is fixedly arranged on a transverse shaft (13), and the second bevel gear (46) is, a first helical blade (61) is fixedly arranged on the periphery of the lower end of the first vertical shaft (14), a second helical blade (47) is fixedly arranged on the transverse shaft (13), and the second helical blade (47) and the corresponding transverse shaft (13) are of an integral structure.

2. The full-color 3D printer according to claim 1, characterized in that: second barrel (9) be close to upper end department inner wall fixed mounting ring gear (48), the tooth of ring gear (48) is inside, first vertical axis (14) correspond position fixed mounting third gear (49) of ring gear (48), go up through bearing suit annular plate (50) on first vertical axis (14), annular plate (50) are located the upside of third gear (49), set up several evenly distributed's planetary gear (51) of taking the pivot certainly between third gear (49) and ring gear (48), the pivot upper end and annular plate (50) bottom bearing swing joint of planetary gear (51), the second puddler (53) of several evenly distributed is fixed mounting the pivot lateral part of planetary gear (51).

3. The full-color 3D printer according to claim 1, characterized in that: the second vertical shaft (24) is sleeved with a second sleeve (54) through a bearing, the inclined shaft (30) is sleeved with a third sleeve (55) through a linear bearing, and the second sleeve (54), the third sleeve (55) and the inner wall of the first barrel (7) are fixedly connected through a support.

4. The full-color 3D printer according to claim 1, characterized in that: the first conical roller (25), the second conical roller (27) and the transmission wheel (31) are all made of rubber materials.

5. The full-color 3D printer according to claim 1, characterized in that: the other end of the cross rod (19) is fixedly provided with a balancing weight (56).

6. The full-color 3D printer according to claim 1, characterized in that: guide grooves (57) are formed in the inner side faces of the blind holes (18), guide blocks (58) are fixedly mounted at the inner ends of the transverse shafts (13), and the guide blocks (58) are inserted into the corresponding guide grooves (57).

7. The full-color 3D printer according to claim 1, characterized in that: the bearing is a sealed bearing.