CN117565393A

CN117565393A - Energy-saving 3D printing device

Info

Publication number: CN117565393A
Application number: CN202311656158.XA
Authority: CN
Inventors: 袁若惜; 王晓燕; 赵天华; 高颖
Original assignee: Nanjing Chengxian Street Primary School
Current assignee: Nanjing Chengxian Street Primary School
Priority date: 2023-12-05
Filing date: 2023-12-05
Publication date: 2024-02-20

Abstract

The invention relates to the technical field of 3D printing, in particular to an energy-saving 3D printing device which comprises a printing head and a fastening piece, wherein the top end of the fastening rod is provided with an end part, a top end notch is formed in the end part, a connecting ring is movably arranged in the top end notch, a groove is formed in the connecting ring, a ring cover is arranged in the connecting ring, the bottom of the ring cover is provided with a lower fixing part, the fastening rod is connected with a screw cap, the bottom end of the outer wall of the screw cap is provided with an upper rack in a circumference manner, the bottom end of the ring cover is flexibly connected with a plurality of rotating seats, the top end of each rotating seat is provided with a lower meshing rack, the upper part of the fastening piece is provided with an upper side opening, an upper locking part is arranged in a cavity, and the upper locking part is positioned above the lower fixing part.

Description

Energy-saving 3D printing device

Technical Field

The invention relates to the technical field of 3D printing, in particular to an energy-saving 3D printing device.

Background

The 3D printing is one kind of fast forming technology, and is one kind of technology of constructing object with powdered metal, plastic or other adhesive material based on digital model file in layer-by-layer printing mode. 3D printing is typically implemented using a digital technology material printer. Often in the fields of mould manufacture, industrial design, etc., are used to manufacture models, and later gradually in the direct manufacture of some products, parts have been printed using this technique. In the use process of the 3D printer, the phenomenon of plug or clamping of the printing head often occurs, and the printing head of the printer needs to be replaced at the moment. When changing the print head, change the operation by the staff usually, the print head of current printer adopts the screw to fasten the connection mostly, needs the staff to realize fastening through twisting the screw, if do not screw up, leads to the condition that leaks the material in the printing process easily, influences the print quality of 3D printer.

Disclosure of Invention

This section is intended to outline some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description summary and in the title of the application, to avoid obscuring the purpose of this section, the description summary and the title of the invention, which should not be used to limit the scope of the invention.

In view of the following technical problems in the prior art: when the screw at the printing head of the printer is not screwed down, the condition of leaking materials in the printing process is easy to cause, and the printing quality of the 3D printer is affected. Therefore, the invention aims to provide an energy-saving 3D printing device, which aims to facilitate the assembly and disassembly of a printing head of a 3D printer and avoid the condition that the printing head leaks due to the fact that the printing head is not screwed down.

In order to solve the technical problems, the invention provides the following technical scheme:

the energy-saving 3D printing device comprises a printing head and a fastening piece, wherein the top end of the fastening rod is provided with an end part, a top gap is formed in the end part, a connecting ring is movably arranged in the top gap, a groove is formed in the connecting ring in a relative manner, a circular ring cover is arranged in the connecting ring, the bottom of the circular ring cover is provided with a lower fixing part, a cavity is formed in the fastening rod, the inner wall of the cavity is provided with a plurality of lower side openings, the fastening rod is connected with a screw cap, the bottom end of the outer wall of the screw cap is provided with an upper rack in a circumference manner, the bottom end of the circular ring cover is flexibly connected with a plurality of rotating seats, the top end of the rotating seat is provided with a lower meshing rack, the lower meshing rack can be meshed with the upper rack, a storage gap is formed in the bottom end of the rotating seat, a square channel is reserved on one side of the rotating seat, a circular shaft is relatively arranged in the square channel, guide bars are movably arranged at the front end and the rear end of the square channel, a magnetic suction piece is arranged on one side of the square channel, the middle upper side opening of the fastening piece is formed in the middle part of the fastening piece, and the upper locking part is arranged in the cavity, and the upper locking part is positioned above the lower fixing part;

the upper locking part comprises a transverse cylinder, an abutting plate, a swinging cylinder, a torsion spring, a metal cover and a moving plate, wherein the transverse cylinder is arranged on the inner wall of the cavity, the moving plate is connected to the transverse cylinder in a sliding manner, the swinging cylinder is flexibly connected to the bottom end of the moving plate, the metal cover is arranged on one side of the moving plate, the metal cover is located above the transverse cylinder, the abutting plate is connected to the metal cover in a sliding manner, and the torsion spring is arranged between one end of the abutting plate and the metal cover and is located in the metal cover.

As an energy-saving 3D printing device's preferred technical scheme, lower fixed part includes cylinder, side upright piece, spring cover body, movable disk, coil spring, travel path, base and roof, and the ring cover is established on the cylinder, and the base is installed to the bottom of cylinder, installs a plurality of side upright pieces on the base, has seted up the travel path on the cylinder, installs the spring cover body in the travel path, and the movable disk is installed on spring cover body top, and the roof is installed on movable disk both sides, installs coil spring in the spring cover body.

As an optimized technical scheme of the energy-saving 3D printing device, a square notch is formed in the top end of the movable disc, and a horizontal notch is formed in the top end of the connecting ring.

As an optimized technical scheme of the energy-saving 3D printing device, one end of the circular shaft is positioned in the guide bar, and the vertical block is positioned in the storage notch.

As a preferable technical scheme of the energy-saving 3D printing device, the upper rack is located right above the lower meshing rack, and the lower meshing rack is meshed with the upper rack.

As a preferable technical scheme of the energy-saving 3D printing device, the bottom end of the spiral spring is fixedly connected in the moving channel.

As an energy-saving 3D printing device's preferred technical scheme, the section of removal passageway and spring cover body is square, and spring cover body sliding connection is in the removal passageway.

As a preferable technical scheme of the energy-saving 3D printing device, one end of the metal cover is positioned in the upper side opening, and one end of the abutting plate is sharp.

As an energy-saving 3D printing device's preferred technical scheme, set up the circular slot in the top breach, the circular slot is located the middle part position of top breach, and the diameter of go-between one end is greater than the diameter of the other end, go-between and circular slot rotate to be connected.

The beneficial effects of the invention are as follows:

the ring cover is flexibly connected with a plurality of rotating seats, the lower meshing racks on the rotating seats are meshed with the upper racks, the positions of the upper racks are limited by the lower meshing racks, and the positions of the screw caps are limited by the vertical blocks, so that the screw caps are convenient to fix, the screw caps and the fastening rods are prevented from rotating relatively when the screw caps are installed on the printing heads, the printing heads are ensured to be stably fixed, the phenomenon that the screw caps are loosened due to the influence of external forces such as vibration and the like on the printing heads in the printing process is avoided, and the stability of the printing heads is ensured;

the fastening rod is clamped in the central hole of the printing head, the screw cap is rotated to the outside of the fastening rod, the fastening rod rotates together when the screw cap is rotated, the circular ring cover moves upwards along with the rotary motion of the connecting ring, the swinging cylinder is arranged, the moving plate moves on the transverse cylinder, the abutting plate is pushed out of the upper side opening, the abutting plate applies pressure to the inner surface of the central hole of the printing head, the printing head and the fastening rod are prevented from relatively rotating, the position change of the printing head is avoided, and the accurate installation position of the printing head is ensured;

the multiple rotation seats of flexible connection are used for making the screw cap be located outside the fastening rod, and rotatory go-between makes the rotation seat upward movement, and fixed screw cap and printer head rotate seat and tip distance big, and the screw cap still plays the guard action, and the position of screw cap is restricted to the installation upright piece, and when not using the screw cap, the rotation seat directly exerts pressure to the printer head on, exerts pressure to the printer head centre bore internal surface through tip, rotation seat and butt board to fixed printer head.

Drawings

The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:

fig. 1 is a schematic view of the device of the present invention, shown in section C in fig. 10, in front elevation and in cross-section.

Fig. 2 is a schematic view of the device of the present invention in a bottom cross-sectional configuration.

Fig. 3 is a schematic top view of the apparatus of the present invention.

Fig. 4 is a schematic view of the structure of the rotating seat of the device of the present invention in front cross section.

Fig. 5 is a schematic perspective view of a rotating seat of the device of the present invention.

Fig. 6 is an enlarged schematic view of the structure of the portion a in fig. 1 of the apparatus of the present invention.

Fig. 7 is a schematic view of the structure of the lower fixing part of the device of the present invention in front cross-section.

Fig. 8 is an enlarged schematic view of the structure of the portion B in fig. 1 of the apparatus of the present invention.

Fig. 9 is a schematic top view of the base of the device of the present invention.

Fig. 10 is a schematic diagram of an isometric construction of the device of the present invention.

Marked in the figure as: 1. a fastening rod; 2. an upper locking part; 3. a transverse column; 4. an abutting plate; 5. a swing column; 6. a torsion spring; 7. a metal cover; 8. a moving plate; 9. a lower fixing part; 10. a cylinder; 11. a side standing block; 12. a spring cover; 13. a movable plate; 14. a coil spring; 15. a moving channel; 16. a base; 17. a top plate; 18. a lower side opening; 19. a cavity; 20. a rotating seat; 21. a screw cap; 22. a circular ring cover; 23. an end portion; 24. a top notch; 25. a connecting ring; 26. an upper side opening; 27. a rack is arranged; 28. a lower meshing rack; 29. a vertical block; 30. a magnetic attraction piece; 31. a conducting bar; 32. square channels; 33. a circular shaft; 34. a storage notch; 35. a groove.

Detailed Description

In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present invention is not limited to the specific embodiments disclosed below.

Further, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic can be included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.

Further, in describing the embodiments of the present invention in detail, the cross-sectional view of the device structure is not partially enlarged to a general scale for convenience of description, and the schematic is only an example, which should not limit the scope of protection of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in actual fabrication.

Example 1

Referring to fig. 1 to 10, the present invention provides an energy-saving 3D printing device, which comprises a print head and a fastening rod 1, wherein the top end of the fastening rod 1 is provided with an end 23, the diameter of the end 23 is larger than the maximum outer diameter of the fastening rod 1, a top gap 24 is provided in the end 23, a connecting ring 25 is movably mounted in the top gap 24, a groove 35 is provided in the connecting ring 25, a circular ring cover 22 is mounted in the connecting ring 25, a lower fixing part 9 is mounted at the bottom of the circular ring cover 22, a cavity 19 is provided in the fastening rod 1, a plurality of lower side openings 18 are provided in the inner wall of the cavity 19, the fastening rod 1 is connected with a screw cap 21, an upper rack 27 is provided at the bottom end of the outer wall of the screw cap 21 in a circumference, a plurality of rotating seats 20 are flexibly connected at the bottom ends of the circular ring cover 22, a lower engaging rack 28 is mounted at the top end of the rotating seats 20, the lower engaging rack 28 can be engaged with the upper rack 27, a storage gap 34 is provided at the bottom end of the rotating seats 20, a square channel 32 is reserved at one side of the rotating seats 20, a circular shaft 33 is mounted in the square channel 32, a movable guide block 29 is mounted in the circular channel 32, a front side of the rotating seat 29 is mounted in the movable guide block 29 is mounted in the side, a movable guide block 29 is mounted in the channel 32, a magnetic part is mounted on the upper side of the cavity 2, a fastening part is mounted on the upper side of the upper fixing part 2 is mounted on the front side of the upper fixing part 2, and the upper side of the upper fixing part 2 is mounted on the front side of the upper fixing part 29.

Go up locking part 2 and install on cavity 19 inner wall including horizontal cylinder 3, butt plate 4, swing cylinder 5, torsional spring 6, metal cover 7 and movable plate 8, horizontal cylinder 3, sliding connection has movable plate 8 on the horizontal cylinder 3, movable plate 8 bottom flexonics has swing cylinder 5, metal cover 7 is installed to movable plate 8 one side, metal cover 7 is located the top of horizontal cylinder 3, sliding connection has butt plate 4 in the metal cover 7, install torsional spring 6 between butt plate 4 one end and the metal cover 7, torsional spring 6 is located metal cover 7, realize the fixed of fastening rod 1 position through last locking part 2, fastening rod 1 rotates when avoiding the printhead to install.

The lower fixed part 9 comprises a cylinder 10, side stand blocks 11, a spring cover body 12, a movable disc 13, a spiral spring 14, a moving channel 15, a base 16 and a top plate 17, wherein the cylinder 10 is sleeved with a circular ring cover 22, the base 16 is arranged at the bottom end of the cylinder 10, the base 16 is provided with a plurality of side stand blocks 11, the cylinder 10 is provided with the moving channel 15, the spring cover body 12 is arranged in the moving channel 15, the top end of the spring cover body 12 is provided with the movable disc 13, the two sides of the movable disc 13 are provided with the top plate 17, the spiral spring 14 is arranged in the spring cover body 12, and the upward supporting force of the rotating seat 20 is provided through the lower fixed part 9.

Square notches are formed in the top end of the movable disc 13, and horizontal notches are formed in the top end of the connecting ring 25 for rotary movement of the connecting ring 25.

One end of the round shaft 33 is positioned in the guide bar 31, and the upright block 29 is positioned in the storage notch 34, so that the upright block 29 is prevented from being separated from the rotating seat 20.

The upper rack 27 is located directly above the lower engagement rack 28, and the lower engagement rack 28 and the upper rack 27 are engaged, thereby determining the position of the upper rack 27.

The bottom end of the spiral spring 14 is fixedly connected in the moving channel 15, so that the spring cover 12 is prevented from sliding out of the moving channel 15.

The cross sections of the moving channel 15 and the spring cover 12 are square, the spring cover 12 is connected with the moving channel 15 in a sliding way, and the cylinder 10 can rotate along with the spring cover 12.

One end of the metal cap 7 is positioned in the upper opening 26, and one end of the abutting plate 4 is sharp, so that friction force increases when the abutting plate 4 contacts the print head.

A circular groove is formed in the top end notch 24, the circular groove is located in the middle of the top end notch 24, the diameter of one end of the connecting ring 25 is larger than that of the other end, and the connecting ring 25 is rotationally connected with the circular groove, so that the position of the connecting ring 25 is prevented from being changed.

Referring to fig. 1-6, the printhead is replaced: the fastening rod 1 is clamped in the central hole of the printing head, the screw cap 21 is rotated to enable the fastening rod 1 to be located on the outer side of the fastening rod 1, the screw cap 21 drives the rotating seat 20 to move upwards until the rotating seat 20 moves into the lower side opening 18, when the screw cap 21 passes through the rotating seat 20, the rotating seat 20 returns to the horizontal position to enable the connecting ring 25 to rotate, and the connecting ring 22 and the lower fixing part 9 are in threaded connection, so that the connecting ring 25 moves upwards in a rotating and linear mode, the swinging cylinder 5 moves upwards through the connecting ring 22, the abutting plate 4 moves towards the outer end of the upper side opening 26 indirectly, pressure is applied to the inner side of the central hole of the printing head through the abutting plate 4, the fastening rod 1 and the printing head are fixed, the fastening rod 1 and the printing head are prevented from moving relatively, the screw cap 21 is rotated again, the printing head is fixed, and at the moment, the force is not required to be applied to the printing head is fixed manually, and the change of the position of the printing head can be effectively avoided.

Example two

Referring to fig. 1 to 9, the printhead is replaced: the vertical block 29 moves linearly downwards, the vertical block 29 is fixed in the object placing notch 34 by means of the magnetic attraction piece 30, the upward force is applied to the movable disc 13 through the external force, the top plate 17 is separated from the groove 35, when the movable disc 13 rotates, the cylinder 10 rotates along with the spring cover 12 along with the moving channel 15 through the moving channel 15 when the spring cover 12 is positioned in the moving channel 15, the side vertical block 11 rotates along with the base 16 to be far away from the rotating seat 20, the rotating seat 20 moves linearly downwards due to the self weight of the rotating seat 20, and moves into the lower opening 18, the rotating screw cap 21 rotates to be far away from the outer side of the fastening rod 1, the connecting ring 25 rotates, the circular ring cover 22 moves downwards, the metal cover 7 and the abutting plate 4 move to the circular ring cover 22 through the swinging cylinder 5, and the fastening rod 1 can be loosened, and the fastening piece 1 is removed.

The working principle of the invention in use is as follows: the fastening rod 1 is clamped in the central hole, the screw cap 21 is rotated to the outside of the fastening rod 1, the rotating seat 20 is upwards moved into the lower side opening 18 through the screw cap 21, when the screw cap 21 passes through the rotating seat 20, the rotating seat 20 returns to the horizontal position to enable the connecting ring 25 to rotate, and as the ring cover 22 and the lower fixing part 9 are in threaded connection, the ring cover 22 moves upwards along with the connecting ring 25 in a rotating linear manner, the swinging cylinder 5 moves upwards through the ring cover 22, indirectly, the abutting plate 4 moves to the outer end of the upper side opening 26, and pressure is applied to the inner side of the central hole of the printing head through the abutting plate 4, so that the fastening rod 1 and the printing head are prevented from relatively moving, the screw cap 21 is rotated again, and the printing head is fixed;

the rotating connection ring 25, because the inner wall of the ring cover 22 is threaded, the rotating seat 20 moves upwards in the lower opening 18, the lower engaging rack 28 moves along with the rotating seat 20 to the position of the upper rack 27 until the lower engaging rack 28 and the upper rack 27 are engaged, at this time, the screw cap 21 moves upwards under force, the swinging cylinder 5 exerts force on the moving plate 8 to move the moving plate 8 on the transverse cylinder 3, the torsion spring 6 is pressed, and the torsion spring 6 has elasticity, so the abutting plate 4 exerts pressure on the central hole of the printing head, the position of the fastening rod 1 is determined, the upright 29 is taken out from the storage notch 34, the upright 29 rotates around the circular shaft 33 as the rotating center and moves upwards after being vertical to the rotating seat 20, the magnetic attraction piece 30 attracts the screw cap 21, the upright 29 is ensured not to move downwards, and the screw cap 21 is fixed.

The foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an energy-saving 3D printing device, includes print head and fastener, its characterized in that, tip (23) are installed on fastening rod (1) top, offer top breach (24) in tip (23), movable mounting has go-between (25) in top breach (24), open recess (35) in the go-between (25) relatively, install ring cover (22) in go-between (25), lower fixed part (9) are installed to ring cover (22) bottom, open cavity (19) in fastening rod (1), a plurality of lower part side openings (18) are offered to cavity (19) inner wall, fastening rod (1) are connected with screw cap (21), the outer wall bottom of screw cap (21) is the circumference and is equipped with rack (27) in the top breach, and flexible coupling in ring cover (22) bottom has a plurality of rotating seat (20), and lower meshing rack (28) can mesh with square (27) in the top of rotating seat (20), and open thing breach (34) in rotating seat (20) bottom, rotating seat (20) one side is reserved in advance rack (29) and is equipped with square channel (32) and installs square channel (32) in the back of the channel (32), one side of the vertical block (29) is provided with a magnetic attraction piece (30), the middle upper part of the fastener is provided with an upper side opening (26), the cavity (19) is internally provided with an upper locking part (2), and the upper locking part (2) is positioned above the lower fixing part (9);

wherein, go up locking portion (2) including horizontal cylinder (3), butt board (4), swing cylinder (5), torsional spring (6), metal casing (7) and movable plate (8), horizontal cylinder (3) are installed on cavity (19) inner wall, sliding connection has movable plate (8) on horizontal cylinder (3), movable plate (8) bottom flexonics has swing cylinder (5), metal casing (7) are installed to movable plate (8) one side, metal casing (7) are located the top of horizontal cylinder (3), sliding connection has butt board (4) in metal casing (7), install torsional spring (6) between butt board (4) one end and the metal casing (7), torsional spring (6) are located metal casing (7).

2. The energy-saving 3D printing device according to claim 1, wherein the lower fixing portion (9) comprises a cylinder (10), side standing blocks (29) (11), a spring cover body (12), a movable disc (13), a spiral spring (14), a moving channel (15), a base (16) and a top plate (17), the circular ring cover (22) is sleeved on the cylinder (10), the base (16) is installed at the bottom end of the cylinder (10), the plurality of side standing blocks (29) (11) are installed on the base (16), the moving channel (15) is formed in the cylinder (10), the spring cover body (12) is installed in the moving channel (15), the movable disc (13) is installed at the top end of the spring cover body (12), the top plate (17) is installed at two sides of the movable disc (13), and the spiral spring (14) is installed in the spring cover body (12).

3. The energy-saving 3D printing device according to claim 1, wherein the top end of the movable disc (13) is provided with a square notch, and the top end of the connecting ring (25) is provided with a horizontal notch.

4. The energy-saving 3D printing device according to claim 1, wherein one end of the circular shaft (33) is positioned in the guide bar (31), and the upright block (29) is positioned in the storage notch (34).

5. The energy-efficient 3D printing apparatus according to claim 1, wherein the upper rack (27) is located directly above the lower engagement rack (28), and the lower engagement rack (28) is engaged with the upper rack (27).

6. The energy-saving 3D printing device according to claim 1, wherein the bottom end of the coil spring (14) is fixedly connected in the moving channel (15).

7. The energy-saving 3D printing device according to claim 1, wherein the cross-section of the moving channel (15) and the spring cover (12) are square, and the spring cover (12) is slidably connected to the moving channel (15).

8. The energy-saving 3D printing apparatus according to claim 2, wherein one end of the metal cover (7) is located in the upper side opening (26), and one end of the abutting plate (4) is sharp.

9. The energy-saving 3D printing device according to claim 1, wherein a circular groove is formed in the top end notch (24), the circular groove is located in the middle of the top end notch (24), the diameter of one end of the connecting ring (25) is larger than that of the other end, and the connecting ring (25) is rotationally connected with the circular groove.