A powder delivery system
Patent Information
- Application Number
- CN202521781051.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-08-21
- Publication Date
- 2026-09-25
- Estimated Expiration
- 2035-08-21
AI Technical Summary
[0013]与现有技术相比,本申请的优点为:其通过送粉模块自动将金属粉末抽送至每台打印机中,一拖六或更多,实现同步输送。
Smart Images

Figure CN224794669U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to a powder feeding system. Background Technology
[0002] 3D printing metal powder materials typically involve a single sieving and mixing process. This involves coarsely sieving the metal powder using a powder sieve before filling it into a powder mixer for further mixing. This ensures that the metal powder materials from the same batch are thoroughly and uniformly mixed, guaranteeing the stability of the performance of 3D printed products from that batch.
[0003] After the metal powder material is sieved and mixed, it needs to be manually transported or fed into the printer for 3D printing. Summary of the Invention
[0004] The purpose of this invention is to address the aforementioned problems in existing technologies by proposing a toner delivery system that automatically delivers metal powder to each printer via a toner delivery module, supporting one to six or more printers simultaneously.
[0005] The objective of this utility model can be achieved through the following technical solution: a toner feeding system, characterized in that it includes several printers, a toner feeding module and a toner dispensing unit, the toner dispensing unit is installed on each printer, a toner feeding pipe and an air outlet pipe are provided between the toner feeding module and the toner dispensing unit of the printer, the toner feeding module includes a chassis and a toner feeding tank, the toner feeding pipe is connected to the toner feeding tank, and the air outlet pipe is connected to the toner feeding tank.
[0006] Furthermore, the chassis is equipped with an exhaust filter.
[0007] Furthermore, a sealing pump is installed inside the chassis, and the air outlet pipe passes through the chassis and connects to the internal sealing pump.
[0008] Furthermore, the chassis is also equipped with a cooling fan.
[0009] Furthermore, the powder discharge unit is a powder discharge bucket, on which a high material level sensor and a bottom material level sensor are installed.
[0010] Furthermore, the powder discharge bucket is also equipped with an air outlet, a powder inlet, and an air outlet pipe.
[0011] Furthermore, the powder discharge bin is equipped with an oxygen sensor and a pressure sensor.
[0012] The powder discharge bin is also equipped with an exhaust solenoid valve and an air inlet. The exhaust solenoid valve has two air pipe interfaces, and each air pipe interface is connected to a rubber tube that is connected to the beginning and end of the exhaust filter element.
[0013] Compared with the prior art, the advantages of this application are: it automatically draws metal powder to each printer through the powder feeding module, one to six or more, to achieve synchronous delivery. Attached Figure Description
[0014] Figure 1 This is a schematic diagram of the powder absorption system; Figure 2 This is a schematic diagram of the powder delivery module; Figure 3 This is a schematic diagram of the powder delivery module; Figure 4 This is a schematic diagram of the powder-dropping unit; Figure 5 yes Figure 1 Enlarged view of point A in the middle; Figure 6 This is a schematic diagram of the powder-dropping unit from other angles.
[0015] In the diagram, 1. Chassis; 11. Exhaust filter; 12. Toner cartridge; 13. Sealing pump; 2. Air outlet pipe; 3. Toner delivery pipe; 4. Printer; 5. Toner discharge unit; 51. Toner discharge cartridge; 52. Low level sensor; 53. High level sensor; 54. Oxygen sensor; 55. Toner inlet; 56. Air outlet; 57. Pressure sensor; 58. Exhaust solenoid valve; 581. Air pipe interface; 59. Air inlet; 591. Rubber hose. Detailed Implementation
[0016] The following are specific embodiments of the present invention, and the technical solution of the present invention will be further described in conjunction with the accompanying drawings.
[0017] like Figures 1-6 As shown, a toner delivery system is characterized in that it includes several printers 4, a toner delivery module and a toner dispensing unit, wherein the toner dispensing unit is installed on each printer 4, and a toner delivery pipe 3 and an air outlet pipe 2 are provided between the toner delivery module and the toner dispensing unit of the printer 4. The toner delivery module includes a chassis 1 and a toner delivery tank 12, wherein the toner delivery pipe 3 is connected to the toner delivery tank 12, and the air outlet pipe 2 is connected to the toner delivery tank 12.
[0018] Furthermore, the chassis 1 is provided with an exhaust filter element 11.
[0019] Furthermore, a sealing pump 13 is installed inside the casing 1, and the exhaust pipe 2 passes through the casing 1 and connects to the sealing pump 13 inside. The exhaust pipe 2 is a vacuum pumping line.
[0020] Furthermore, the chassis 1 is also equipped with a cooling fan for heat dissipation.
[0021] Furthermore, the powder dispensing unit 5 is a powder dispensing hopper 51, on which a high-level sensor 53 and a low-level sensor 52 are installed. The powder level in the powder dispensing hopper 51 is detected to determine the powder suction mechanism.
[0022] Furthermore, the powder discharge hopper 51 is also provided with an air outlet 56, a powder inlet 55 and an air outlet pipe 2.
[0023] Furthermore, the powder discharge bin 51 is equipped with an oxygen sensor 54 and a pressure sensor 57 to continuously monitor the pressure and oxygen content.
[0024] The powder discharge bin 51 is also equipped with an exhaust solenoid valve 58 and an air inlet 59. The exhaust solenoid valve 58 has two air pipe interfaces 581, and each air pipe interface 581 is connected to a rubber tube 591 that is connected to the exhaust filter element 11 at both ends. Inert gas is injected into the filter element 11 through the air inlet 59, and the exhaust solenoid valve 58 and the exhaust filter element 11 are cleaned by air.
[0025] This application implements separate air circulation and washing between printer 4 and the toner delivery module, monitoring pressure and oxygen content in real time, and ending the washing process once the target is met. Based on the number of alarms from the high-level sensor 53 in the toner dropper 51, the equipment is in a ready state when there are no alarms; a single alarm triggers the toner dropper 51 to begin drawing toner from the toner delivery 12, controlling toner drawing and dispensing in conjunction with the toner dropper 51's level; multiple alarms trigger a priority-based toner drawing mechanism. During toner drawing, the levels in the toner dropper 51 and toner delivery 12 are continuously monitored, controlling toner drawing, dispensing, and program termination. Simultaneously, after power-on, the equipment globally monitors pressure and oxygen content, controlling the opening and closing of solenoid valves based on the data to ensure toner drawing safety. This achieves orderly, safe, and efficient control of the toner drawing operation, effectively improving toner drawing efficiency, preventing toner overflow, and ensuring a safe and stable toner drawing process by rationally planning the toner drawing sequence, precisely controlling the levels in the toner dropper 51 and toner delivery 12, and adjusting pressure and oxygen content in real time.
[0026] The above-described technical solution of this utility model addresses the problem that existing technical solutions are too simplistic and provides a solution that is significantly different from existing technologies. The parts not covered in this application's technical solution are the same as or can be implemented using existing technologies, and will not be described in detail here.
[0027] The technical solutions in the above embodiments have clearly and completely described the content of this utility model. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.
Claims
1. A powder feeding system, characterized in that, It includes several printers, a toner delivery module, and a toner dispensing unit. The toner dispensing unit is installed on each printer. A toner delivery pipe and an air outlet pipe are provided between the toner delivery module and the toner dispensing unit of the printer. The toner delivery module includes a chassis and a toner delivery bin. The toner delivery pipe is connected to the toner delivery bin, and the air outlet pipe is connected to the toner delivery bin.
2. The powder feeding system according to claim 1, characterized in that: The chassis is equipped with an exhaust filter.
3. The powder feeding system according to claim 1, characterized in that: The chassis is equipped with a sealing pump, and the exhaust pipe passes through the chassis and connects to the internal sealing pump.
4. The powder feeding system according to claim 1, characterized in that: The chassis is also equipped with a cooling fan.
5. The powder feeding system according to claim 1, characterized in that, The powder discharge unit is a powder discharge bucket, which is equipped with a high material level sensor and a bottom material level sensor.
6. The powder feeding system according to claim 5, characterized in that, The powder discharge bucket is also equipped with an air outlet, a powder inlet, and an air outlet pipe.
7. A powder feeding system according to claim 6, characterized in that, The powder discharge bin is equipped with an oxygen sensor and a pressure sensor.
8. A powder feeding system according to claim 7, characterized in that, The powder discharge bin is also equipped with an exhaust solenoid valve and an air inlet. The exhaust solenoid valve has two air pipe interfaces, and each air pipe interface is connected to a rubber tube that is connected to the beginning and end of the exhaust filter element.