A foldable portable 3D printer

Abstract

The utility model discloses a foldable portable 3D printer, which relates to the technical field of 3D printers. The utility model comprises a Y-axis base frame, a Z-axis frame in a square shape and an X-axis slide. The top of the Y-axis base frame is provided with a printing platform via a Y-axis moving component, the Z-axis frame is provided with a lifting platform via the Z-axis moving component, and the X-axis slide is movably connected to the lifting platform via the X-axis moving component. A folding component is provided between the Y-axis base frame and the Z-axis frame to form a folded state between the Y-axis base frame and the Z-axis frame. With the cooperation of the X-axis moving component and the Z-axis moving component, the foldable portable 3D printer can make an opening in the middle of the Z-axis frame in a square shape that can accommodate the printing platform. Then, by disassembling the locking member and cooperating with the folding rotating shaft and the shaft rotating hole, the Z-axis frame and the Y-axis base frame can be formed into a folded state, and finally locked by the locking member, thereby completing the folding work.

Description

Technical Field

[0001] The utility model relates to the technical field of 3D printers, in particular to a foldable and portable 3D printer. Background Art

[0002] 3D printer, that is, a machine of rapid prototyping technology, is a technology based on digital model files, using powdered metal or plastic and other bondable materials to construct objects by printing layer by layer. In the past, it was often used to make models in the fields of mold manufacturing, industrial design, etc. The main working process is: put the data and raw materials into the 3D printer, and the machine will print the product layer by layer according to the program. The printed product can be used immediately; and the existing 3D printers include the following structures, including single cantilever structure, gantry structure, corexy structure, um structure, and delta structure. Among them, the single cantilever structure is simple in structure and easy to make, but because its z-axis has only a single stroke, its x-axis has only one fixed axis, and its far-end accuracy is poor and is easily affected by acceleration jitter; the ordinary gantry structure is inconvenient to carry, but the accuracy is acceptable. The corexy and um structures have some characteristics of high accuracy and stability, but because the equipment is too large, it is often difficult to connect it with the portable device; and the delta structure, the debugging accuracy is a big problem;

[0003] At present, compared with the existing traditional fused deposition 3D printers, desktop printers occupy a larger market, but most of the existing 3D printers are usually all-in-one, such as the 3D printer in the announcement number "CN219706085U". Because the frame structure of it and some existing 3D printers occupies a large volume, it is not convenient to carry it to other places for use, and it takes up a large space when not in use, which is not conducive to storage and placement, and thus cannot meet people's daily needs. Utility Model Content

[0004] The purpose of the utility model is to provide a foldable portable 3D printer to solve the deficiencies in the above-mentioned prior art.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: comprising: a Y-axis base frame, a Z-axis frame in a U-shaped shape and an X-axis slide, the top of the Y-axis base frame is provided with a printing platform via a Y-axis moving component, the Z-axis frame is provided with a lifting platform via a Z-axis moving component, and the X-axis slide is movably connected to the lifting platform via the X-axis moving component; a folding component is provided between the Y-axis base frame and the Z-axis frame to form a folded state between the Y-axis base frame and the Z-axis frame, the folding component comprises two mounting seats arranged on the Y-axis base frame and having folding grooves, the Z-axis frame is provided with a mounting block rotating in the folding groove, the mounting seat is provided with two shaft rotation holes, the mounting block is provided with a folding rotation axis rotating axially along the two shaft rotation holes, and a locking member is provided between the mounting block and the mounting seat to lock the mounting block before and after the Z-axis frame is folded.

[0006] Preferably, the locking member includes a first locking hole, a second locking hole, a third locking hole and a fourth locking hole, and the first locking hole and the second locking hole are arranged on the mounting seat in sequence from top to bottom, and the third locking hole and the fourth locking hole are installed on the mounting seat in sequence from left to right, and the third locking hole and the fourth locking hole are perpendicular to each other with the first locking hole and the second locking hole, and the mounting block is provided with a first threaded hole corresponding to the first locking hole and the third locking hole, and the mounting block is also provided with a second threaded hole corresponding to the second locking hole and the fourth locking hole, and the first threaded hole has a first threaded bolt screwed into the inner thread, and the second threaded hole has a second threaded bolt screwed into the inner thread.

[0007] Preferably, the Y-axis moving assembly includes a Y-axis travel rod arranged on a Y-axis base frame, and the printing platform is slidably connected to the Y-axis travel rod, the Y-axis base frame is provided with a vertically upward Y-axis motor, the output shaft of the Y-axis motor and the Y-axis base frame are both provided with a Y-axis synchronous gear, the two Y-axis synchronous gears are connected by a Y-axis synchronous belt, and the printing platform is installed on the Y-axis synchronous belt for the printing platform to slide.

[0008] Preferably, the Z-axis moving assembly includes two parallel lifting screws arranged between the Y-axis base frame and the lifting platform, the two lifting screws are provided with lifting sleeves which slide linearly along the lifting screws, the lifting platform is installed between the two lifting sleeves, the Y-axis base frame is also provided with a Z-axis motor, the output shaft of the Z-axis motor and the lifting screw are provided with transmission synchronous gears, and there are two transmission synchronous gears on the Z-axis motor, and the two transmission synchronous gears on the Z-axis motor are respectively connected to the transmission synchronous gears on each lifting screw through a transmission synchronous belt.

[0009] Preferably, the X-axis moving assembly includes an X-axis travel rod arranged on a lifting platform, and the X-axis slide is slidably connected to the X-axis travel rod, and an X-axis motor is provided on the X-axis travel rod, and X-axis synchronous gears are provided on the output shaft of the X-axis motor and on both sides of the X-axis travel rod, and the X-axis synchronous gears are connected by an X-axis synchronous belt.

[0010] Preferably, the Y-axis synchronous belt is provided with latch teeth, which mesh with the tooth grooves on the Y-axis synchronous gear; and an auxiliary pulley is provided on the printing platform for the printing platform to slide along the Y-axis travel rod.

[0011] Preferably, the transmission synchronous belt is provided with latch teeth, which mesh with the tooth grooves on the transmission synchronous gear; and the lifting platform is provided with an auxiliary pulley for the lifting platform to be lifted up and down along the Z-axis frame.

[0012] Preferably, the X-axis synchronous belt is provided with latch teeth, which mesh with the tooth grooves on the X-axis synchronous gear; and the X-axis slide is provided with an auxiliary pulley for the X-axis slide to slide along the X-axis travel rod.

[0013] In the above technical scheme, the utility model provides a foldable portable 3D printer, which moves the X-axis slide to the end of the X-axis travel rod through the X-axis moving component, and with the cooperation of the Z-axis moving component, the X-axis travel rod can be moved to the top, so that an opening can be presented in the middle of the Z-axis frame in the shape of a U-shaped character, and the printing platform can be accommodated. After the preparation work, the locking piece is disassembled, and then the cooperation of the folding rotating shaft and the shaft rotating hole can allow the mounting block to rotate in the folding groove of the mounting seat, so that the Z-axis frame and the Y-axis base frame form a folded state, and finally locked by the locking piece, thereby completing the folding work. After folding, the 3D printer is easy for the staff to carry, and the Z-axis frame designed to be in the shape of a U-shaped character reduces the volume to a certain extent, which is further convenient for the staff to carry. At the same time, when not in use, it can be folded up, which is conducive to storage and placement, greatly increasing the practicality of the entire device. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0015] Figure 1 A schematic diagram of the overall structure of the embodiment of the utility model in the unfolded state;

[0016] Figure 2 A schematic diagram of the overall structure of the folded state provided by an embodiment of the utility model;

[0017] Figure 3 A schematic diagram of the disassembly of the folding assembly provided in the embodiment of the utility model;

[0018] Figure 4 A schematic diagram of the structure of a Z-axis moving assembly provided in an embodiment of the utility model.

[0019] Description of reference numerals:

[0020] 1. Y-axis base frame; 2. Z-axis frame; 3. X-axis slide; 4. Printing platform; 5. Lifting platform; 6. Mounting seat; 7. Mounting block; 8. Axis rotation hole; 9. Folding rotation axis; 10. First locking hole; 11. Second locking hole; 12. Third locking hole; 13. Fourth locking hole; 14. First threaded hole; 15. Second threaded hole; 16. First threaded bolt; 17. Second threaded bolt; 18. Y-axis travel rod; 19. Y-axis motor; 20. Y-axis synchronous gear; 21. Y-axis synchronous belt; 22. Lifting screw rod; 23. Z-axis motor; 24. Transmission synchronous gear; 25. Transmission synchronous belt; 26. X-axis travel rod; 27. X-axis motor; 28. X-axis synchronous gear; 29. ​​X-axis synchronous belt; 30. Gear. DETAILED DESCRIPTION

[0021] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0022] See also Figure 1-4 The utility model provides a foldable portable 3D printer, comprising: a Y-axis base frame 1, a Z-axis frame 2 in a square shape and an X-axis slide 3. The top of the Y-axis base frame 1 is provided with a printing platform 4 via a Y-axis moving component, the Z-axis frame 2 is provided with a lifting platform 5 via a Z-axis moving component, and the X-axis slide 3 is movably connected to the lifting platform 5 via an X-axis moving component; the Y-axis base frame 1 and the Z-axis frame 2 are provided with a folding component to form a folded state between the Y-axis base frame 1 and the Z-axis frame 2, and the folding component includes two mounting plates provided on the Y-axis base frame 1 and having folding grooves. The seat 6, the Z-axis frame 2 is provided with a mounting block 7 that rotates in the folding groove, the mounting seat 6 is provided with two axial rotation holes 8, the mounting block 7 is provided with a folding rotation axis 9 that rotates axially along the two axial rotation holes 8, and a locking member is provided between the mounting block 7 and the mounting seat 6 for locking the mounting block 7 before and after the Z-axis frame 2 is folded; wherein, in the utility model, there should also be a printing component for 3D printing, which is not drawn in detail in the drawings of the specification, but the device is a prior art, and it can be specifically installed on the X-axis slide 3, so that the entire device can be conveniently used for 3D printing.

[0023] Among them, the X-axis slide 3 is moved to the end of the X-axis stroke rod 26 through the set X-axis moving component, and with the cooperation of the Z-axis moving component, the X-axis stroke rod 26 can be moved to the top, so that the middle of the Z-axis frame 2 in the shape of a U can be opened and can accommodate the printing platform 4. After the preparation work, by removing the locking piece, and then folding the rotating shaft 9 and the shaft rotation hole 8, the mounting block 7 can be rotated in the folding groove of the mounting seat 6, so that the Z-axis frame 2 and the Y-axis base frame 1 form a folded state, and finally locked by the locking piece, thereby completing the folding work. After folding, the 3D printer is easy for the staff to carry. At the same time, the Z-axis frame 2 designed to be in the shape of a U reduces the volume to a certain extent, which is further convenient for the staff to carry. At the same time, when not in use, it can be folded up, which is conducive to storage and placement, greatly increasing the practicality of the entire device.

[0024] The locking member includes a first locking hole 10, a second locking hole 11, a third locking hole 12 and a fourth locking hole 13, and the first locking hole 10 and the second locking hole 11 are sequentially arranged on the mounting base 6 from top to bottom, and the third locking hole 12 and the fourth locking hole 13 are sequentially installed on the mounting base 6 from left to right, and the third locking hole 12 and the fourth locking hole 13 are perpendicular to each other with the first locking hole 10 and the second locking hole 11, and the mounting block 7 is provided with a first threaded hole 14 corresponding to the first locking hole 10 and the third locking hole 12, and the mounting block 7 is also provided with a second threaded hole 15 corresponding to the second locking hole 11 and the fourth locking hole 13, and the first threaded hole 14 is internally threaded. A first threaded bolt 16 is inserted into the second threaded hole 15, and a second threaded bolt 17 is screwed into the second threaded hole 15; first, the first threaded bolt 16 and the second threaded bolt 17 in the first locking hole 10 and the second locking hole 11 need to be removed, and then the mounting block 7 is rotated in the folding groove of the mounting seat 6 to allow the Z-axis frame 2 and the Y-axis base frame 1 to form a folded state, and then the first threaded bolt 16 and the second threaded bolt 17 are passed through the third locking hole 12 and the fourth locking hole 13 in turn, so that the Z-axis frame 2 before and after folding can be kept in a fixed state, which not only allows the Z-axis frame 2 to work stably before folding, but also facilitates the staff to transport the entire 3D printer device after the Z-axis frame 2 is folded.

[0025] Among them, the Y-axis moving component includes a Y-axis travel rod 18 arranged on the Y-axis base frame 1, and the printing platform 4 is slidably connected to the Y-axis travel rod 18, and the Y-axis base frame 1 is provided with a Y-axis motor 19 facing vertically upward, and the output shaft of the Y-axis motor 19 and the Y-axis base frame 1 are both provided with a Y-axis synchronous gear 20, and the two Y-axis synchronous gears 20 are connected by a Y-axis synchronous belt 21, and the printing platform 4 is installed on the Y-axis synchronous belt 21 for the printing platform 4 to slide. By providing the Y-axis synchronous gear 20 on the output shaft of the Y-axis motor 19 and the Y-axis base frame 1, and driven by the Y-axis synchronous belt 21, the printing platform 4 installed on the Y-axis synchronous belt 21 can be moved along the Y-axis direction, which is convenient for subsequent printing work, and at the same time, it is convenient to match the printing platform 4 with the opening of the Z-axis frame 2, so as to better perform the folding work.

[0026] The Z-axis moving assembly includes two parallel lifting screws 22 arranged between the Y-axis base frame 1 and the lifting platform 5, the two lifting screws 22 are provided with lifting sleeves that slide linearly along the lifting screws 22, the lifting platform 5 is installed between the two lifting sleeves, the Y-axis base frame 1 is also provided with a Z-axis motor 23, the output shaft of the Z-axis motor 23 and the lifting screw 22 are both provided with transmission synchronous gears 24, and the Z-axis motor 23 is provided with two transmission synchronous gears 24, and the two transmission synchronous gears 24 on the Z-axis motor 23 are respectively connected with the transmission synchronous gears 24 on each lifting screw 22 through transmission synchronization. The Z-axis motor 23 is connected with a step belt 25, wherein two transmission synchronous gears 24 are provided on the Z-axis motor 23, and a transmission synchronous gear 24 is provided on each of the two lifting screws 22, and each is connected to the transmission synchronous gear 24 on the Z-axis motor 23 through a transmission timing belt 25, so that the two lifting screws 22 can rotate synchronously, and then the lifting platform 5 can be moved up and down more stably, which not only facilitates the subsequent printing components to complete the printing work more stably, but also can move the X-axis slide 3 to the top before folding, thereby facilitating the folding work between the Z-axis frame 2 and the Y-axis base frame 1.

[0027] Among them, the X-axis moving component includes an X-axis stroke rod 26 arranged on the lifting platform 5, and the X-axis slide 3 is slidably connected to the X-axis stroke rod 26, and an X-axis motor 27 is arranged on the X-axis stroke rod 26, and X-axis synchronous gears 28 are arranged on the output shaft of the X-axis motor 27 and on both sides of the X-axis stroke rod 26, and each X-axis synchronous gear 28 is connected by an X-axis synchronous belt 29; wherein, through the mutual cooperation between the set X-axis motor 27, the X-axis synchronous gear 28 and the X-axis synchronous belt 29, the X-axis slide 3 can be moved along the direction of the X-axis stroke rod 26, thereby facilitating the subsequent printing component to complete the printing work, and at the same time, the X-axis slide 3 can be moved to the end of the X-axis stroke rod 26 when folding, thereby facilitating the folding work between the Z-axis frame 2 and the Y-axis base frame 1.

[0028] Among them, there is a latching tooth 30 on the Y-axis synchronous belt 21, and it meshes with the tooth groove on the Y-axis synchronous gear 20; the printing platform 4 is provided with an auxiliary pulley for the printing platform 4 to slide along the Y-axis travel rod 18.

[0029] The transmission synchronous belt 25 is provided with a latching tooth 30 which meshes with the tooth groove on the transmission synchronous gear 24 ; the lifting platform 5 is provided with an auxiliary pulley for the lifting platform 5 to be lifted up and down along the Z-axis frame 2 .

[0030] Among them, there is a locking tooth 30 on the X-axis synchronous belt 29, and it meshes with the tooth groove on the X-axis synchronous gear 28; the X-axis slide 3 is provided with an auxiliary pulley for the X-axis slide 3 to slide along the X-axis stroke rod 26.

[0031] Among them, the X-axis synchronous belt 29, the transmission synchronous belt 25 and the Y-axis synchronous belt 21 are provided with latching teeth 30 meshing with the tooth grooves, so that the X-axis slide 3, the lifting platform 5 and the printing platform 4 can be driven better and stably respectively, so that the entire device can better perform the printing work with the cooperation of various components; the X-axis travel rod 26, the Z-axis frame 2 and the Y-axis travel rod 18 are all provided with sliding grooves for the auxiliary pulleys to slide, so that the X-axis slide 3, the lifting platform 5 and the printing platform 4 can move more stably.

[0032] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A foldable portable 3D printer, comprising: A Y-axis base frame (1), a Z-axis frame (2) in a square shape, and an X-axis slide (3), characterized in that a printing platform (4) is provided on the top of the Y-axis base frame (1) via a Y-axis moving component, a lifting platform (5) is provided on the Z-axis frame (2) via a Z-axis moving component, and the X-axis slide (3) is movably connected to the lifting platform (5) via an X-axis moving component; A folding assembly is provided between the Y-axis base frame (1) and the Z-axis frame (2) to form a folded state between the Y-axis base frame (1) and the Z-axis frame (2). The folding assembly comprises two mounting seats (6) arranged on the Y-axis base frame (1) and having folding grooves. The Z-axis frame (2) is provided with a mounting block (7) rotating in the folding groove. The mounting seat (6) is provided with two axial rotation holes (8). The mounting block (7) is provided with a folding rotation axis (9) rotating axially along the two axial rotation holes (8). A locking member is provided between the mounting block (7) and the mounting seat (6) for locking the mounting block (7) before and after the Z-axis frame (2) is folded.

2. A foldable portable 3D printer according to claim 1, characterized in that: The locking member comprises a first locking hole (10), a second locking hole (11), a third locking hole (12) and a fourth locking hole (13), and the first locking hole (10) and the second locking hole (11) are sequentially arranged on the mounting seat (6) from top to bottom, and the third locking hole (12) and the fourth locking hole (13) are sequentially installed on the mounting seat (6) from left to right, and the third locking hole (12) and the fourth locking hole (13) are aligned with the first locking hole (10) and the second locking hole (11). The stop holes (11) are in a mutually perpendicular state, the mounting block (7) is provided with a first threaded hole (14) corresponding to the first locking hole (10) and the third locking hole (12), the mounting block (7) is also provided with a second threaded hole (15) corresponding to the second locking hole (11) and the fourth locking hole (13), and the first threaded hole (14) is internally threaded with a first threaded bolt (16), and the second threaded hole (15) is internally threaded with a second threaded bolt (17).

3. A foldable portable 3D printer according to claim 1, characterized in that: The Y-axis moving assembly comprises a Y-axis travel rod (18) arranged on a Y-axis base frame (1), and the printing platform (4) is slidably connected to the Y-axis travel rod (18), the Y-axis base frame (1) is provided with a Y-axis motor (19) which is vertically upward, the output shaft of the Y-axis motor (19) and the Y-axis base frame (1) are both provided with a Y-axis synchronous gear (20), the two Y-axis synchronous gears (20) are connected by a Y-axis synchronous belt (21), and the printing platform (4) is installed on the Y-axis synchronous belt (21) for the printing platform (4) to slide.

4. A foldable portable 3D printer according to claim 1, characterized in that: The Z-axis moving assembly comprises two parallel lifting screws (22) arranged between the Y-axis base frame (1) and the lifting platform (5), the two lifting screws (22) are provided with lifting sleeves which slide linearly along the lifting screws (22), the lifting platform (5) is installed between the two lifting sleeves, the Y-axis base frame (1) is also provided with a Z-axis motor (23), the output shaft of the Z-axis motor (23) and the lifting screw (22) are both provided with a transmission synchronous gear (24), and there are two transmission synchronous gears (24) on the Z-axis motor (23), and the two transmission synchronous gears (24) on the Z-axis motor (23) are respectively connected to the transmission synchronous gears (24) on each lifting screw (22) through a transmission synchronous belt (25).

5. The foldable portable 3D printer according to claim 1, characterized in that: The X-axis moving assembly comprises an X-axis stroke rod (26) arranged on the lifting platform (5), and the X-axis slide (3) is slidably connected to the X-axis stroke rod (26), and the X-axis stroke rod (26) is provided with an X-axis motor (27), and the output shaft of the X-axis motor (27) and both sides of the X-axis stroke rod (26) are provided with X-axis synchronous gears (28), and the X-axis synchronous gears (28) are connected by X-axis synchronous belts (29).

6. A foldable portable 3D printer according to claim 3, characterized in that: The Y-axis synchronous belt (21) is provided with a latching tooth (30) which meshes with a tooth groove on the Y-axis synchronous gear (20); and the printing platform (4) is provided with an auxiliary pulley for the printing platform (4) to slide along the Y-axis travel rod (18).

7. A foldable portable 3D printer according to claim 4, characterized in that: The transmission synchronous belt (25) is provided with a latching tooth (30) which meshes with a tooth groove on the transmission synchronous gear (24); the lifting platform (5) is provided with an auxiliary pulley for the lifting platform (5) to be lifted up and down along the Z-axis frame (2).

8. The foldable portable 3D printer according to claim 5, characterized in that: The X-axis synchronous belt (29) is provided with a latching tooth (30) which meshes with a tooth groove on the X-axis synchronous gear (28); the X-axis slide (3) is provided with an auxiliary pulley for the X-axis slide (3) to slide along the X-axis travel rod (26).

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