CN210453780U - Desktop type miniature 3D printer - Google Patents
Desktop type miniature 3D printer Download PDFInfo
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- CN210453780U CN210453780U CN201920937973.6U CN201920937973U CN210453780U CN 210453780 U CN210453780 U CN 210453780U CN 201920937973 U CN201920937973 U CN 201920937973U CN 210453780 U CN210453780 U CN 210453780U
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Abstract
The utility model discloses a miniature 3D printer of desktop formula mainly relates to 3D and prints technical field. The extruder comprises a machine shell, a Z-axis motion mechanism, a Y-axis motion mechanism, an X-axis motion mechanism and an extruder, wherein the Z-axis motion mechanism comprises a working platform assembly arranged in the machine shell and a Z-axis lead screw vertically arranged in the machine shell, and a Z-axis screw nut matched with the Z-axis lead screw is arranged on the platform assembly; the Y-axis movement mechanism comprises a transmission shaft horizontally arranged in the casing, first Y-axis synchronous belt wheels are arranged at two ends of the transmission shaft, Y-axis synchronous belts are arranged on the first Y-axis synchronous belt wheels, and connecting seats are arranged on the Y-axis synchronous belts. The beneficial effects of the utility model reside in that: the novel printer shell has the advantages of saving the inner space of the shell, improving the space utilization rate, being simple and compact in overall structure, small in size, light in weight, convenient to carry, high in printing precision and high in wire feeding speed.
Description
Technical Field
The utility model relates to a 3D prints technical field, specifically is a miniature 3D printer of desktop formula.
Background
The 3D printer is a machine of rapid prototyping technology, which is a technology for constructing an object by printing layer by layer using a bondable material such as powder metal or plastic based on a digital model file, and the three-dimensional printers of the prior art are mainly classified into Fused Deposition Modeling (FDM), Selective Laser Sintering (SLS), Stereolithography (SLA) and Digital Light Processing (DLP).
While prior art FDM-based 3D printers often suffer from various problems during use, such as,
1) the existing 3D printer is too large in size due to insufficient structural design, small in printing size, large in size, small in printing size, large in occupied space and inconvenient to carry and transport;
2) the whole machine is too heavy, the carrying is inconvenient, and the load is too large during the operation, so that the printing speed cannot keep up;
3) the longer the linear guide rail and the linear circular rail are, the poorer the precision is, so that the precision error of the 3D printer is larger, and in addition, vibration lines are generated when the inertia of the weight causes movement, so that the surface smoothness of a printed model is poor.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to solve the problem that exists among the prior art, provide a small volume and print fastly, the miniature 3D printer of desktop formula that the precision is high, it can save the inner space of casing, improves space utilization, and overall structure is simple compact, and is small, light in weight, the transport of being convenient for prints the precision height, send a fastly.
The utility model discloses a realize above-mentioned purpose, realize through following technical scheme:
a desktop type micro 3D printer, which comprises a shell, a Z-axis motion mechanism, a Y-axis motion mechanism, an X-axis motion mechanism and an extruder,
the Z-axis movement mechanism comprises a working platform assembly arranged in the shell and a Z-axis lead screw vertically arranged in the shell, the Z-axis lead screw is rotatably connected with the shell, a Z-axis nut matched with the Z-axis lead screw is arranged on the platform assembly, the platform assembly is connected with the shell in a sliding manner, a Z-axis motor is arranged at one end of the Z-axis lead screw, and the Z-axis motor is in transmission connection with the Z-axis lead screw and is fixedly connected with the shell;
the Y-axis movement mechanism comprises a transmission shaft horizontally arranged in the machine shell, the transmission shaft is positioned at one end in the machine shell and is rotationally connected with the machine shell, first Y-axis synchronous pulleys are arranged at two ends of the transmission shaft, a Y-axis synchronous belt is arranged on the first Y-axis synchronous pulleys, a second Y-axis synchronous pulley matched with the Y-axis synchronous belt is arranged at one end, far away from the first Y-axis synchronous pulley, in the machine shell, the second Y-axis synchronous pulleys are rotationally connected with the machine shell, one of the second Y-axis synchronous pulleys is connected with a Y-axis motor, the heights of the second Y-axis synchronous pulleys and the first Y-axis synchronous pulley are the same, a connecting seat is arranged on the Y-axis synchronous belt and is in sliding connection with the machine shell;
the X-axis movement mechanism comprises an X-axis synchronous belt wheel which is positioned on the connecting seat and is rotationally connected with the connecting seat, one of the X-axis synchronous belt wheel is connected with an X-axis motor, an X-axis synchronous belt is wound between the X-axis synchronous belt wheels, a nozzle frame which is matched with the extruder is arranged on the X-axis synchronous belt, an X-axis linear guide rail is arranged between the connecting seats, the X-axis linear guide rail is parallel to the transmission shaft, and an X-axis sliding block which is matched with the X-axis linear guide rail is arranged on the nozzle frame.
The working platform assembly comprises a Z-axis sliding block and a working platform, the Z-axis nut is fixed on the Z-axis sliding block, and a slot matched with the working platform is horizontally arranged on the Z-axis sliding block.
Z axle guide sleeve has vertically inlayed on the Z axle slider, the quantity of Z axle guide sleeve is two, is located the left and right sides at Z axle screw respectively, the vertical Z axle guide bar that suits with Z axle guide sleeve that is equipped with in the casing.
The working platform is a soft magnetic plate, and the slots are iron slots.
And a gap between the Z-axis sliding block and the inner wall of the rear side of the shell is 5-15 mm.
A Y-axis guide sleeve is horizontally embedded in the connecting seat, and a Y-axis guide rod matched with the Y-axis guide sleeve is horizontally arranged in the casing.
The gap between the connecting seat and the inner side wall of the shell is 5-15 mm.
The bottom in the casing is equipped with the backplate, Z axle motor is located the downside of backplate, be equipped with the display screen on the backplate.
And a wire feeding frame is arranged on the outer wall of the shell.
The extruding machine comprises an extruding motor, the extruding motor is fixedly connected with a nozzle frame, a wire feeding box is arranged on the upper portion of the extruding motor and is in transmission connection with the extruding motor, a connecting plate is vertically arranged on the lower portion of the extruding motor, the upper end of the connecting plate is fixed on the extruding motor, the lower end of the connecting plate is fixed on the nozzle frame, a connecting aluminum block is arranged on the connecting plate, graphite and a fan are arranged on the connecting aluminum block, a throat pipe is arranged on the connecting aluminum block, a heating aluminum block is arranged on the throat pipe, and a nozzle is arranged at the bottom of the heating aluminum block.
Contrast prior art, the beneficial effects of the utility model reside in that:
the Z-axis motor of the utility model can drive the Z-axis screw rod to rotate, and the Z-axis screw rod can drive the working platform assembly to move up and down; the transmission shaft is used for driving the two Y-axis synchronous belts to synchronously rotate, the Y-axis motor rotates to drive the transmission shaft to rotate, and the Y-axis synchronous belts rotate to drive the connecting seat to move; the Y-axis motor is directly connected with the second Y-axis synchronous belt pulley, so that the whole space is saved, one end of the X-axis linear guide rail is connected with one connecting seat, the other end of the X-axis linear guide rail is connected with the other connecting seat, the X-axis linear guide rail is connected with the two connecting seats into a whole, the space occupied in the X direction is saved, the two connecting seats can be ensured to synchronously and stably move, and the guide is provided for the movement of the nozzle frame; the X-axis motor is fixed on one connecting seat, no interference space exists, and more Y-direction space is reserved; the X-axis motor rotates to drive the nozzle frame to move along the X direction, the Y-axis motor rotates to drive the nozzle frame to move along the Y direction, the extruder is mounted on the nozzle frame, and the 3D printing can be completed by matching with the adjustment of the height of the working platform assembly; the novel printer shell has the advantages of being capable of saving the inner space of the shell, improving the space utilization rate, simple and compact in overall structure, small in size, light in weight, convenient to carry, high in printing precision and high in wire feeding speed.
Drawings
FIG. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic view of the internal structure of the housing;
FIG. 3 is an exploded view of the present invention;
FIG. 4 is a schematic structural view of a Z-axis exercise machine;
FIG. 5 is an exploded view of the Z-axis motion mechanism;
FIG. 6 is a schematic structural diagram of the Y-axis motion mechanism and the X-axis motion mechanism;
FIG. 7 is an exploded left side view of the Y-axis motion mechanism;
FIG. 8 is an exploded right view of the Y-axis motion mechanism;
FIG. 9 is an exploded view of the X-axis motion mechanism;
FIG. 10 is a schematic view of the structure of an extruder.
The reference numbers in the drawings: 1. a housing; 11. a guard plate; 12. a display screen;
2. a Z-axis motion mechanism; 21. a work platform assembly; 211. a Z-axis slide block; 212. a working platform; 213. a slot; 214. a Z-axis guide sleeve; 215. a Z-axis guide rod; 22. a Z-axis lead screw; 23. a Z-axis motor; 24. a Z-axis nut; 25. a coupling; 26. a lower mounting seat; 27. an upper mounting seat;
3. a Y-axis motion mechanism; 31. a drive shaft; 32. a first Y-axis synchronous pulley; 33. a Y-axis synchronous belt; 34. a second Y-axis synchronous pulley; 35. a Y-axis motor; 351. a Y-axis guide sleeve; 352. a Y-axis guide bar; 36. a connecting seat; 37. a transmission shaft mounting seat; 38. a second Y-axis synchronous pulley mounting seat; 39. a Y-axis guide rod mounting seat;
4. an X-axis motion mechanism; 41. an X-axis synchronous pulley; 42. an X-axis motor; 43. an X-axis synchronous belt; 44. a nozzle holder; 45. an X-axis linear guide rail; 46. an X-axis slider; 47. an L-shaped mounting plate;
5. an extruder; 51. an extrusion motor; 52. a wire feeding box; 53. a connecting plate; 54. connecting an aluminum block; 55. graphite; 56. a fan; 57. a throat; 58. heating the aluminum block; 59. a nozzle; 6. and a wire feeding frame.
Detailed Description
The present invention will be further described with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope defined in the present application.
The utility model relates to a desktop type micro 3D printer, which comprises a machine shell 1, a Z-axis motion mechanism 2, a Y-axis motion mechanism 3, an X-axis motion mechanism 4 and an extruder 5,
the Z-axis movement mechanism 2 comprises a working platform assembly 21 arranged in the machine shell 1 and a Z-axis screw rod 22 vertically arranged in the machine shell 1, the Z-axis screw rod 22 is rotatably connected with the machine shell 1, a Z-axis nut 24 matched with the Z-axis screw rod 22 is arranged on the platform assembly 21, the platform assembly 21 is slidably connected with the machine shell 1, a Z-axis motor 23 is arranged at one end of the Z-axis screw rod 22, the Z-axis motor 23 is in transmission connection with the Z-axis screw rod 22 and is fixedly connected with the machine shell 1, the Z-axis motor 23 can drive the Z-axis screw rod 22 to rotate, and the Z-axis screw rod 22 can drive the working platform assembly 21 to move up and down;
the Y-axis movement mechanism 3 comprises a transmission shaft 31 horizontally arranged in the casing 1, the transmission shaft 31 is positioned at one end in the casing 1 and is rotationally connected with the casing 1, first Y-axis synchronous pulleys 32 are arranged at two ends of the transmission shaft 31, a Y-axis synchronous belt 33 is arranged on the first Y-axis synchronous pulley 32, a second Y-axis synchronous pulley 34 matched with the Y-axis synchronous belt 33 is arranged at one end, far away from the first Y-axis synchronous pulley 32, in the casing 1, the second Y-axis synchronous pulley 34 is rotationally connected with the casing 1, one of the second Y-axis synchronous pulleys 34 is connected with a Y-axis motor 35, the second Y-axis synchronous pulley 34 and the first Y-axis synchronous pulley 32 are same in height, a connecting seat 36 is arranged on the Y-axis synchronous belt 33, the connecting seat 36 is slidably connected with the casing 1, and the transmission shaft 31 is used for driving the two Y-axis synchronous belts 33 to rotate synchronously, the rotation of the Y-axis motor 35 can drive the transmission shaft 31 to rotate, and the rotation of the Y-axis synchronous belt 33 can drive the connecting seat 36 to move;
the X-axis movement mechanism 4 comprises X-axis synchronous belt wheels 41 which are positioned on the connecting seats 36 and are rotationally connected with the connecting seats 36, wherein one X-axis motor 42 is connected on one X-axis synchronous belt wheel 41, an X-axis synchronous belt 43 is wound between the two X-axis synchronous belt wheels 41, a nozzle frame 44 which is matched with the extruder 5 is arranged on the X-axis synchronous belt 43, the extruder 5 is arranged on the nozzle frame 44, an X-axis linear guide rail 45 is arranged between the two connecting seats 36, the X-axis linear guide rail 45 is parallel to the transmission shaft 31, an X-axis sliding block 46 which is matched with the X-axis linear guide rail 45 is arranged on the nozzle frame 44, one end of the X-axis linear guide rail 45 is connected with one connecting seat 36, the other end of the X-axis linear guide rail 45 is connected with the other connecting seat 36, the X-axis linear guide rail 45 is connected with the two connecting seats 36 into a whole, the, the linear guide rail also provides guidance for the movement of the spray head frame 44, has the characteristics of high precision, strong rigidity and light weight, and reduces the overall weight; the Y-axis motor 35 of the utility model is directly connected with the second Y-axis synchronous belt pulley 34, so that the whole space is saved, the X-axis motor 42 is fixed on one of the connecting seats 36, no interference space exists, and more Y-direction space is made; the X-axis motor 42 can drive the spray head frame 44 to move along the X direction through rotation, the Y-axis motor 35 can drive the spray head frame 44 to move along the Y direction through rotation, and the 3D printing can be completed through the height adjustment of the working platform assembly 21; the novel printer shell has the advantages of being capable of saving the inner space of the shell, improving the space utilization rate, and having the advantages of being simple and compact in overall structure, small in size, light in weight, high in printing precision and high in wire feeding speed.
In order to facilitate quick taking out of the printed article, the working platform assembly 21 comprises a Z-axis sliding block 211 and a working platform 212, the Z-axis screw nut 24 is fixed on the Z-axis sliding block 211, a slot 213 matched with the working platform 212 is horizontally arranged on the Z-axis sliding block 211, so that the working platform 212 can be conveniently taken out and put, and the printed article can be conveniently quickly taken out.
In order to guarantee the stability of Z to the removal, it has Z axle uide bushing 214 to inlay vertically on Z axle slider 211, the quantity of Z axle uide bushing 214 is two, is located the left and right sides at Z axle nut 24 respectively, vertically be equipped with in the casing 1 with Z axle uide bushing 214 compatible Z axle guide bar 215, Z axle guide bar 215 provides the direction for reciprocating of Z axle slider 211, can guarantee the stability of Z to the removal.
In order to ensure the stability of the fixing of the working platform, the working platform 212 is a soft magnetic plate, the slot 213 is an iron slot, and the working platform 212 is firmly fixed in the slot 213 by using magnetic force, so that the stability of the working platform can be ensured, and the printing quality can be ensured.
In order to fully utilize the inner space of the casing, the gap between the Z-axis slider 211 and the inner wall of the rear side of the casing 1 is 5mm-15 mm.
In order to ensure the stability of the Y-direction movement, a Y-axis guide sleeve 351 is horizontally embedded on the connection seat 36, a Y-axis guide rod 352 corresponding to the Y-axis guide sleeve 351 is horizontally arranged in the casing 1, the Y-axis guide rod 352 is perpendicular to the transmission shaft 31, and the Y-axis guide rod 352 provides a guide for the Y-direction movement of the connection seat 36.
In order to fully utilize the inner space of the machine shell, the gap between the connecting seat (36) and the inner side wall of the machine shell (1) is 5-15 mm.
In order to fully utilize the internal space of the machine shell, a protection plate 11 is arranged at the bottom in the machine shell 1, the Z-axis motor 23 is positioned at the lower side of the protection plate 11, the outer end of the protection plate 11 is bent downwards in an inclined mode, a display screen 12 is installed at the downward bent position of the protection plate 11, the Z-axis motor 23 can be protected, and electrical elements can be arranged at the lower side of the protection plate 11.
In order to save the space in the machine shell, a wire feeding frame 6 is arranged on the outer wall of the machine shell 1.
In order to improve the printing precision, the extruder 5 comprises an extruding motor 51, the extruding motor 51 is fixedly connected with the nozzle frame 44, the upper part of the extruding motor 51 is provided with a wire feeding box 52, the wire feeding box 52 is in transmission connection with the extruding motor 51, a connecting plate 53 is vertically arranged at the lower part of the extruding motor 51, the upper end of the connecting plate 53 is fixed on the extruding motor 51, the lower end of the connecting plate 53 is fixed on the nozzle holder 44, the connecting plate 53 is provided with a connecting aluminum block 54, the connecting aluminum block 54 is provided with graphite 55 and a fan 56, the connecting aluminum block 54 is provided with a throat 57, the throat 57 is provided with a heating aluminum block 58, the bottom of the heating aluminum block 58 is provided with a nozzle 59, the extruder 5 adopts a short-range distance design, and the extruder has the advantages of simple and compact integral structure, small volume, light weight, small inertia, high printing precision, good surface smoothness and high wire feeding speed.
Example (b): a miniature 3D printer of desktop formula, including casing 1, Z axle motion 2, Y axle motion 3, X axle motion 4 and extruder 5, for practicing thrift the casing inner space, will send a frame 6 to set up on the outer wall of casing 1 rear side.
The extruder 5 can be an existing extruder, preferably, in order to improve the printing precision, the extruder 5 comprises an extruding motor 51, the extruding motor 51 is fixed on the nozzle holder 44 through screws, a wire feeding box 52 is installed on the upper portion of the extruding motor 51, the wire feeding box 52 is in transmission connection with the extruding motor 51, a connecting plate 53 is vertically arranged on the lower portion of the extruding motor 51, the upper end of the connecting plate 53 is fixed on the extruding motor 51 through screws, the lower end of the connecting plate 53 is fixed on the nozzle holder 44 through screws, a connecting aluminum block 54 is installed on the connecting plate 53, graphite 55 and a fan 56 are installed on the connecting aluminum block 54, a throat 57 is installed on the connecting aluminum block 54, a heating aluminum block 58 is installed at the bottom of the throat 57, a nozzle 59 is installed at the bottom of the heating aluminum block 58, the nozzle 59 is in threaded connection with the heating aluminum block 58, the extruder 5 is designed by short-range distance, the whole structure is simple and compact, the volume is small, the weight is light, the inertia is small, the printing precision is high, the surface smoothness is good, and the wire feeding speed is high.
The Z-axis movement mechanism 2 comprises a working platform component 21 arranged in the machine shell 1 and a Z-axis screw rod 22 vertically arranged in the machine shell 1, a Z-axis nut 24 matched with the Z-axis screw rod 22 is arranged on the platform component 21, a Z-axis motor 23 is arranged at the bottom end of the Z-axis screw rod 22, the Z-axis motor 23 is in transmission connection with the Z-axis screw rod 22 through a coupler 25, a lower mounting seat 26 which is matched with the Z-axis motor 23 is arranged in the machine shell 1, the lower mounting seat 26 is fixed on the inner wall of the machine shell 1 through bolts, the Z-axis motor 23 is fixed on the lower mounting seat 26 through bolts, an upper mounting seat 27 matched with the Z-axis screw rod 22 is arranged at the upper part in the machine shell 1, the upper mounting seat 27 is fixed on the machine shell 1 through a bolt, the top end of the Z-axis screw rod 22 is rotatably connected with the upper mounting seat 27, a Z-axis motor 23 can drive the Z-axis screw rod 22 to rotate, and the Z-axis screw rod 22 can drive the working platform assembly 21 to move up and down through rotation; the working platform assembly 21 comprises a Z-axis sliding block 211 and a working platform 212, the Z-axis screw nut 24 is fixed on the Z-axis sliding block 211 through a screw, and a slot 213 which is matched with the working platform 212 is horizontally arranged on the Z-axis sliding block 211, so that the working platform 212 can be conveniently taken out and put, and printed articles can be conveniently and quickly taken out; vertical inlay has Z axle uide bushing 214 on Z axle slider 211, the quantity of Z axle uide bushing 214 is two, is located the left and right sides at Z axle screw 24 respectively, vertically be equipped with the Z axle guide bar 215 that suits with Z axle uide bushing 214 in the casing 1, the one end of Z axle guide bar 215 is fixed under on mount pad 26, and the other end is fixed on last mount pad 27, and Z axle guide bar 215 provides the direction for reciprocating of Z axle slider 211, can guarantee the stability of Z to the removal. In order to fully utilize the inner space of the casing, the gap between the Z-axis slider 211 and the inner wall of the rear side of the casing 1 is 5mm to 15mm, preferably 10 mm. Further, in order to ensure the stability of the fixing of the working platform, the working platform 212 is a soft magnetic plate, the slot 213 is an iron slot, and the working platform 212 is firmly fixed in the slot 213 by using magnetic force, so that the stability of the working platform can be ensured, and the printing quality can be ensured;
furthermore, in order to fully utilize the internal space of the machine shell, a protection plate 11 is arranged at the bottom in the machine shell 1, the Z-axis motor 23 is positioned at the lower side of the protection plate 11, the outer end of the protection plate 11 is bent downwards in an inclined mode, a display screen 12 is installed at the downward bending position of the protection plate 11, the Z-axis motor 23 can be protected, electric elements can be arranged at the lower side of the protection plate 11, and circuit elements are designed by utilizing the height space of the Z axis, so that the utilization rate of the whole space is higher;
the Y-axis movement mechanism 3 comprises a Y-direction limit switch and a transmission shaft 31 horizontally arranged in the machine shell 1, wherein the transmission shaft 31 is positioned at one end in the machine shell 1 and is rotationally connected with the machine shell 1, a transmission shaft mounting seat 37 matched with the transmission shaft 31 is arranged in the machine shell 1, the transmission shaft 31 is rotationally connected with the transmission shaft mounting seat 37, the transmission shaft mounting seat 37 is fixed on the inner wall of the machine shell 1 through screws, first Y-axis synchronous belt wheels 32 are respectively installed at two ends of the transmission shaft 31, Y-axis synchronous belts 33 are arranged on the first Y-axis synchronous belt wheels 32, a second Y-axis synchronous belt wheel 34 matched with the Y-axis synchronous belt 33 and a second Y-axis synchronous belt wheel mounting seat 38 matched with the second Y-axis synchronous belt wheel 34 are installed at one end, far away from the first Y-axis synchronous belt wheels 32, in the machine shell 1, and the second Y-axis synchronous belt wheel mounting seat 38 is, the second Y-axis synchronous pulley 34 is rotatably connected with a second Y-axis synchronous pulley mounting seat 38, one of the second Y-axis synchronous pulleys 34 is connected with a Y-axis motor 35, the Y-axis motor 35 is fixedly mounted in the machine shell 1, the second Y-axis synchronous pulley 34 and the first Y-axis synchronous pulley 32 have the same height, the Y-axis synchronous belt 33 is mounted with a connecting seat 36, a Y-axis guide sleeve 351 is horizontally embedded on the connecting seat 36, a Y-axis guide rod 352 corresponding to the Y-axis guide sleeve 351 is horizontally arranged in the machine shell 1, Y-axis guide rod mounting seats 39 are respectively arranged at two ends of the Y-axis guide rod 352, the Y-axis guide rod mounting seats 39 are fixed on the inner wall of the machine shell 1 through screws, the Y-axis guide rod 352 is perpendicular to the transmission shaft 31, the Y-axis guide rod 352 provides guidance for the Y-direction movement of the connecting seat 36, and the transmission shaft 31 is used for driving two Y-axis synchronous pulleys 33 to rotate synchronously, the rotation of the Y-axis motor 35 can drive the transmission shaft 31 to rotate, and the rotation of the Y-axis synchronous belt 33 can drive the connecting seat 36 to move; further, in order to fully utilize the inner space of the casing, the gap between the connecting seat 36 and the inner side wall of the casing 1 is 5mm-15mm, preferably 10 mm;
the X-axis movement mechanism 4 comprises X-axis synchronous pulleys 41 which are positioned on the connecting seats 36 and are rotationally connected with the connecting seats 36, wherein one X-axis motor 42 is connected onto one X-axis synchronous pulley 41, an L-shaped mounting plate 47 which is adaptive to the X-axis motor 42 is arranged on the outer wall of the connecting seat 36 where the X-axis synchronous pulley 41 is positioned, an X-axis synchronous belt 43 is wound between the two X-axis synchronous pulleys 41, a nozzle frame 44 which is adaptive to the extruder 5 is arranged on the X-axis synchronous belt 43, the extruder 5 is arranged on the nozzle frame 44, an X-axis linear guide rail 45 is arranged between the two connecting seats 36, the X-axis linear guide rail 45 is parallel to the transmission shaft 31, an X-axis slide block 46 which is adaptive to the X-axis linear guide rail 45 is arranged on the nozzle frame 44, one end of the X-axis linear guide rail 45 is connected with one connecting seat 36 through a screw, and the, the X-axis linear guide rail 45 is connected with the two connecting seats 36 into a whole, so that the space occupied in the X direction is saved, the two connecting seats 36 can be ensured to synchronously and stably move, and the guide is provided for the movement of the spray head frame 44; the Y-axis motor 35 of the utility model is directly connected with the second Y-axis synchronous belt pulley 34, so that the whole space is saved, the X-axis motor 42 is fixed on one of the connecting seats 36, no interference space exists, and more Y-direction space is made; the X-axis motor 42 can drive the spray head frame 44 to move along the X direction through rotation, the Y-axis motor 35 can drive the spray head frame 44 to move along the Y direction through rotation, and the 3D printing can be completed through the height adjustment of the working platform assembly 21; the novel printer shell has the advantages of being capable of saving the inner space of the shell, improving the space utilization rate, and having the advantages of being simple and compact in overall structure, small in size, light in weight, high in printing precision and high in wire feeding speed.
Claims (10)
1. The utility model provides a miniature 3D printer of desktop formula, includes casing (1), Z axle motion (2), Y axle motion (3), X axle motion (4) and extruder (5), its characterized in that:
the Z-axis movement mechanism (2) comprises a working platform assembly (21) arranged in the machine shell (1) and a Z-axis lead screw (22) vertically arranged in the machine shell (1), the Z-axis lead screw (22) is rotatably connected with the machine shell (1), a Z-axis screw nut (24) matched with the Z-axis lead screw (22) is arranged on the platform assembly (21), the platform assembly (21) is slidably connected with the machine shell (1), a Z-axis motor (23) is arranged at one end of the Z-axis lead screw (22), and the Z-axis motor (23) is in transmission connection with the Z-axis lead screw (22) and is fixedly connected with the machine shell (1);
the Y-axis movement mechanism (3) comprises a transmission shaft (31) horizontally arranged in the casing (1), one end of the transmission shaft (31) positioned in the casing (1) is rotatably connected with the casing (1), first Y-axis synchronous pulleys (32) are arranged at two ends of the transmission shaft (31), a Y-axis synchronous belt (33) is arranged on the first Y-axis synchronous pulley (32), a second Y-axis synchronous pulley (34) matched with the Y-axis synchronous belt (33) is arranged at one end, far away from the first Y-axis synchronous pulley (32), in the casing (1), the second Y-axis synchronous pulley (34) is rotatably connected with the casing (1), one of the second Y-axis synchronous pulley (34) is connected with a Y-axis motor (35), the second Y-axis synchronous pulley (34) is as high as the first Y-axis synchronous pulley (32), and a connecting seat (36) is arranged on the Y-axis synchronous pulley (33), the connecting seat (36) is connected with the shell (1) in a sliding way;
x axle motion (4) are including being located connecting seat (36) and rotate X axle synchronous pulley (41) of being connected with connecting seat (36), one of them be connected with X axle motor (42) on X axle synchronous pulley (41), two X axle synchronous pulley (43) are twined between X axle synchronous pulley (41), be equipped with nozzle holder (44) that suit with extruder (5) on X axle synchronous pulley (43), two be equipped with X axle linear guide (45) between connecting seat (36), X axle linear guide (45) are parallel with transmission shaft (31), be equipped with X axle slider (46) that suit with X axle linear guide (45) on nozzle holder (44).
2. The desktop miniature 3D printer of claim 1, wherein: work platform subassembly (21) include Z axle slider (211), work platform (212), Z axle screw (24) are fixed on Z axle slider (211), Z axle slider (211) are gone up the level and are equipped with slot (213) that suit with work platform (212).
3. The desktop miniature 3D printer of claim 2, wherein: z axle slider (211) are gone up vertical the inlaying and are had Z axle uide bushing (214), the quantity of Z axle uide bushing (214) is two, is located the left and right sides at Z axle screw (24) respectively, vertically be equipped with in casing (1) with Z axle uide bushing (214) compatible Z axle guide bar (215).
4. The desktop miniature 3D printer of claim 2, wherein: the working platform (212) is a soft magnetic plate, and the slot (213) is a ferrous slot.
5. The desktop miniature 3D printer of claim 2, wherein: and a gap between the Z-axis sliding block (211) and the inner wall of the rear side of the machine shell (1) is 5-15 mm.
6. The desktop miniature 3D printer of claim 1, wherein: y axle uide bushing (351) are inlayed to connecting seat (36) upper level, the level is equipped with Y axle guide bar (352) that suit with Y axle uide bushing (351) in casing (1).
7. The desktop miniature 3D printer of claim 1, wherein: the gap between the connecting seat (36) and the inner side wall of the machine shell (1) is 5-15 mm.
8. The desktop miniature 3D printer of claim 1, wherein: the bottom in casing (1) is equipped with backplate (11), Z axle motor (23) are located the downside of backplate (11), be equipped with display screen (12) on backplate (11).
9. The desktop miniature 3D printer of claim 1, wherein: and a wire feeding frame (6) is arranged on the outer wall of the shell (1).
10. The desktop miniature 3D printer of claim 1, wherein: the extruding machine (5) comprises an extruding motor (51), the extruding motor (51) is fixedly connected with a nozzle frame (44), a wire feeding box (52) is arranged on the upper portion of the extruding motor (51), the wire feeding box (52) is in transmission connection with the extruding motor (51), a connecting plate (53) is vertically arranged on the lower portion of the extruding motor (51), the upper end of the connecting plate (53) is fixed on the extruding motor (51), the lower end of the connecting plate (53) is fixed on the nozzle frame (44), a connecting aluminum block (54) is arranged on the connecting plate (53), graphite (55) and a fan (56) are arranged on the connecting aluminum block (54), a throat pipe (57) is arranged on the connecting aluminum block (54), a heating aluminum block (58) is arranged on the throat pipe (57), and a nozzle (59) is arranged at the bottom of the heating aluminum block (58).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920937973.6U CN210453780U (en) | 2019-06-20 | 2019-06-20 | Desktop type miniature 3D printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110341183A (en) * | 2019-06-20 | 2019-10-18 | 芜湖市爱三迪电子科技有限公司 | A kind of miniature 3D printer of Table top type |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110341183A (en) * | 2019-06-20 | 2019-10-18 | 芜湖市爱三迪电子科技有限公司 | A kind of miniature 3D printer of Table top type |
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