Metal 3D printer
By designing the installation cylinder and suction structure in a metal 3D printer, the problem of metal dust dissipation is solved, effective absorption of dust and environmental improvement is achieved, and the health of staff is protected.
Patent Information
- Application Number
- CN202421333137.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-12
- Publication Date
- 2025-03-28
- Estimated Expiration
- 2034-06-12
AI Technical Summary
During the printing process of metal 3D printers, metal powders that are not completely sintered or melted can easily escape to the outside world, pollute the environment, and may cause physical damage to the staff.
A metal 3D printer is designed with a built-in mounting cylinder and suction structure. Through the cooperation of the suction air flow driven by the fan and the suction tube, the complete suction of dust inside the printing box is achieved. Through the cooperation of gears and ring gears, the lateral movement and rotation of the mounting cylinder is achieved to ensure that the dust is effectively absorbed.
It effectively reduces the escape of metal dust, improves the working environment, reduces the health risks to staff, and simplifies the cleaning process of the print box.
Smart Images

Figure CN222679547U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of 3D printers, in particular to a metal 3D printer. Background Art
[0002] A metal 3D printer is a manufacturing tool that uses metal powder, wire or other forms of metal raw materials to create three-dimensional objects. The printing device has multiple axes and prints inside a closed printing box.
[0003] The laser beam sintered the metal powder, and a new layer of metal powder was added after each layer was completed. Parts were manufactured by continuous heating and stacking. When the laser sintered metal powder for metal 3D printing, the metal powder that was not completely sintered or melted would remain on the surface of the printed parts and the building platform. After the printing box was opened, it was easy to escape to the outside world, polluting the environment. The adsorption of workers would also cause physical injuries. For this reason, we proposed a metal 3D printer to solve the existing problems. Utility Model Content
[0004] The purpose of the utility model is to propose a metal 3D printer in view of the problems existing in the background technology.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a metal 3D printer, comprising a printing box, a motor 1, a collection box, a mounting cylinder, a travel frame and a mounting tube, a travel frame is arranged inside the printing box, a mounting tube is installed through the travel frame, a motor 2 is arranged inside the upper end of the travel frame, a gear is arranged at the output end of the motor 2, a gear ring is sleeved on the outer wall of the mounting cylinder, a collection box is arranged at the upper end of the printing box, a fan is arranged inside one end of the collection box, a suction port is opened inside the mounting cylinder, a nut is arranged at the rear end of the travel frame, a motor 1 is arranged on the outer wall of one side of the printing box, and a screw is arranged at the output end of the motor 1.
[0006] Preferably, a slider is provided at the lower end of the travel frame, a guide rail is provided inside the rear end of the printing box, and the slider is slidably mounted on the outer wall of the guide rail. The travel frame slides laterally on the guide rail through the slider, and is guided laterally inside the printing box.
[0007] Preferably, a bearing is embedded and installed inside one end of the installation cylinder, and one end of the installation tube is rotatably inserted into the bearing. The installation cylinder is rotatably supported on the outer wall of the installation tube through the bearing.
[0008] Preferably, the suction end of the fan passes through the collection box, and the output end is located outside. The suction force of the fan acts on the inside of the collection box and transports the suction airflow to the outside.
[0009] Preferably, a suction pipe is provided at one end of the installation tube, and one end of the suction pipe is installed inside the collection box, and the suction pipe passes through the collection box and corresponds to the suction end of the fan. The suction force of the fan acts on the inside of the installation tube through the suction pipe.
[0010] Preferably, a filter is provided inside the collection box, the filter is located on one side of the fan, and the side of the filter is connected to the collection box. The filter intercepts the flushed dust to prevent the dust from entering the fan.
[0011] Preferably, one end of the screw is rotatably inserted into the nut, a rotating seat is provided inside one side of the printing box, one end of the screw is rotatably inserted into the rotating seat, and the screw is rotatably installed inside the printing box. When the screw rotates inside the printing box, it is supported by rotation, and the stability during rotation is improved.
[0012] Preferably, the gear and the gear ring are meshed with each other, and a discharge valve is provided at one end of the collection box. When the gear rotates, it pushes the meshed gear ring, and the rotational force acts on the mounting cylinder, and the dust collected inside the collection box is discharged to the outside through the discharge valve to clean the inside of the collection box.
[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:
[0014] 1. The utility model arranges a mounting cylinder inside the printing box, one end of which is supported for rotation and connected to a suction structure pipe. The suction force acts on the inside of the mounting cylinder, and the suction airflow generated by the suction port acts on the inside of the printing box. The mounting cylinder can move laterally and rotate on its own, so as to fully suck the metal dust floating inside the inner wall of the processing box. The opening of the printing box reduces the internal dust emission, improves the working environment, and protects the staff. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 This is a schematic diagram of the main three-dimensional structure of the utility model;
[0016] Figure 2 It is a side sectional three-dimensional structural schematic diagram of the utility model;
[0017] Figure 3 It is a schematic diagram of the three-dimensional structure of the travel frame of the utility model from a side view;
[0018] Figure 4 It is a schematic diagram of the three-dimensional structure of the collection box of the utility model in side section.
[0019] Figure numerals: 1. Print box; 2. Motor 1; 3. Collecting box; 4. Fan; 5. Mounting cylinder; 6. Slider; 7. Guide rail; 8. Travel frame; 9. Suction pipe; 10. Screw; 11. Suction port; 12. Ring gear; 13. Motor 2; 14. Gear; 15. Nut; 16. Filter; 17. Mounting pipe; 18. Bearing. DETAILED DESCRIPTION
[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0021] like Figure 1-Figure 4 As shown, a metal 3D printer proposed by the utility model includes a printing box 1, a motor 2, a collection box 3, a mounting tube 5, a travel frame 8 and a mounting tube 17. The printing box 1 is provided with a travel frame 8, one end of the mounting tube 5 is embedded with a bearing 18, the travel frame 8 is penetrated by a mounting tube 17, one end of the mounting tube 17 is rotatably plugged into the bearing 18, the upper end of the travel frame 8 is provided with a motor 2 13, the output end of the motor 2 13 is provided with a gear 14, the outer wall of the mounting tube 5 is sleeved with a gear ring 12, and the gear 14 and the gear ring 12 are mutually connected. Meshing, a suction tube 9 is arranged at one end of the mounting tube 17, a collecting box 3 is arranged at the upper end of the printing box 1, a fan 4 is arranged inside one end of the collecting box 3, the suction end of the fan 4 passes through the collecting box 3, and the output end is located outside, one end of the suction tube 9 is installed inside the collecting box 3, the suction tube 9 passes through the collecting box 3 and corresponds to the suction end of the fan 4, a filter 16 is arranged inside the collecting box 3, the filter 16 is located on one side of the fan 4, and the side of the filter 16 is connected to the collecting box 3, a discharge valve port is arranged at one end of the collecting box 3, and a suction port 11 is opened inside the mounting tube 5.
[0022] Based on the implementation steps of Example 1: the suction force of the fan 4 is applied to the inside of the suction tube 9, and the suction force inside the suction tube 9 acts on the inside of the installation cylinder 5, and acts on the outside through the suction port 11, so as to suck the dust inside the printing box 1, and at the same time, the motor 2 13 drives the gear 14 to push the gear ring 12, so as to drive the installation cylinder 5 to rotate, and the suction port 11 then follows the rotation of the installation cylinder 5 to suck different positions, so as to achieve comprehensive suction of the dust inside the printing box 1, and the dust enters the collection box 3 through the suction tube 9. After the metal 3D printer prints the part structure, the inside of the printing box 1 is conveniently cleaned, thereby reducing the amount of dust escaping to the outside, improving the working environment, and improving the problem of physical damage caused by the absorption of metal dust by the staff.
[0023] like Figure 1-Figure 4As shown, compared with the first embodiment, the metal 3D printer proposed by the utility model further includes: a slider 6 is provided at the lower end of the travel frame 8, a guide rail 7 is provided inside the rear end of the printing box 1, the slider 6 is slidably installed on the outer wall of the guide rail 7, a nut 15 is provided at the rear end of the travel frame 8, a motor 2 is provided on the outer wall of one side of the printing box 1, a screw 10 is provided at the output end of the motor 2, one end of the screw 10 is rotatably inserted into the inside of the nut 15, a rotating seat is provided inside one side of the printing box 1, one end of the screw 10 is rotatably inserted into the inside of the rotating seat, and the screw 10 is rotatably installed inside the printing box 1.
[0024] In this embodiment, when the metal 3D printer prints the part structure, the motor 12 drives the screw 10 to rotate, and the screw 10 pushes the nut 15, thereby driving the travel frame 8 to move horizontally, and the installation cylinder 5 moves to the inside of one side of the printing box 1 to avoid affecting the operation of the printing mechanism of the metal 3D printer;
[0025] When the suction structure is used, the suction structure is driven to move laterally, and the suction port 11 corresponds to the dust adhering to the inner wall of the printing box 1, so that the suction force acts better on the adhering dust, thereby improving the dust suction effect.
[0026] The above-mentioned specific embodiments are only several preferred embodiments of the present invention. Based on the technical solution of the present invention and the relevant inspiration of the above-mentioned embodiments, those skilled in the art can make various alternative improvements and combinations to the above-mentioned specific embodiments.
[0027] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.
Claims
1. A metal 3D printer, comprising a printing box (1), a motor (2), a collecting box (3), a mounting cylinder (5), a travel frame (8) and a mounting tube (17), characterized in that: A travel frame (8) is arranged inside the printing box (1), a mounting tube (17) is installed through the travel frame (8), a motor 2 (13) is arranged inside the upper end of the travel frame (8), a gear (14) is arranged at the output end of the motor 2 (13), a gear ring (12) is sleeved on the outer wall of the mounting tube (5), a collection box (3) is arranged at the upper end of the printing box (1), a fan (4) is arranged inside one end of the collection box (3), a suction port (11) is opened inside the mounting tube (5), a nut (15) is arranged at the rear end of the travel frame (8), a motor 1 (2) is arranged on the outer wall of one side of the printing box (1), and a screw (10) is arranged at the output end of the motor 1 (2).
2. A metal 3D printer according to claim 1, characterized in that: A slider (6) is arranged at the lower end of the travel frame (8), a guide rail (7) is arranged inside the rear end of the printing box (1), and the slider (6) is slidably mounted on the outer wall of the guide rail (7).
3. A metal 3D printer according to claim 1, characterized in that: A bearing (18) is embedded and installed inside one end of the installation cylinder (5), and one end of the installation tube (17) is rotatably inserted into the bearing (18).
4. A metal 3D printer according to claim 1, characterized in that: The suction end of the fan (4) passes through the collection box (3), and the output end is located outside.
5. A metal 3D printer according to claim 1, characterized in that: A suction pipe (9) is provided at one end of the installation pipe (17), and one end of the suction pipe (9) is installed through the inside of the collection box (3). The suction pipe (9) passes through the collection box (3) and corresponds to the suction end of the fan (4).
6. A metal 3D printer according to claim 1, characterized in that: A filter screen (16) is arranged inside the collection box (3); the filter screen (16) is located on one side of the fan (4), and the side of the filter screen (16) is connected to the collection box (3).
7. A metal 3D printer according to claim 1, characterized in that: One end of the screw rod (10) is rotatably inserted into the nut (15), a rotating seat is provided inside one side of the printing box (1), one end of the screw rod (10) is rotatably inserted into the rotating seat, and the screw rod (10) is rotatably installed inside the printing box (1).
8. A metal 3D printer according to claim 1, characterized in that: The gear (14) and the gear ring (12) are meshed with each other, and a discharge valve port is provided at one end of the collection box (3).