Efficient recycling and reusing device for metal 3D printing powder

Abstract

The utility model discloses an efficient recycling and reusing device for metal 3D printing powder. The efficient recycling and reusing device comprises a base, a collecting cavity, a screening cavity, a drying cavity, a storage cavity, a conveying mechanism, a control system and an automatic screening device. The collecting cavity is located at the top of the base and used for receiving powder generated in the metal D printing process. The screening chamber communicates with the collecting chamber and is used for preliminarily screening the collected powder; the drying chamber communicates with the screening chamber and is used for drying the screened powder; the storage chamber is located below the drying chamber and used for storing the dried powder; the conveying mechanism penetrates through the cavities and is used for automatically conveying the powder; the control system is located in the base; the automatic screening device is located in the screening cavity. The functions of collecting, screening, drying, storing and the like are integrated, and efficient recovery and reutilization of metal powder are achieved; and the conveying mechanism achieves automatic conveying of the powder, and the recovery efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to resource recycling and reusing technical field, concretely is a kind of metal 3D printing powder high-efficiency recycling and reusing device. BACKGROUND

[0002] Metal 3D printing, as a kind of forming mode of rapid prototyping technology, is also called metal additive manufacturing, it is based on digital model file, using powder-like metal and other cohereable materials, by layer printing (layer laser sintering) to construct object, and the remaining metal powder particles ash after sintering produce metal spheroidization product, splash oxidation product and residue, need to be recycled after screening.This technology has wide application in mould manufacturing, industrial design and other fields, and gradually used in the direct manufacturing of some products.However, the recycling and reuse of metal powder generated in the process of metal 3D printing become the key link of cost saving and resource utilization improvement.

[0003] The existing metal powder recycling device has many deficiencies: first, traditional device is often designed simply, lack efficient powder collection and separation mechanism, leading to low powder recycling efficiency;Second, powder is easy to be damp or mixed with impurities in the recycling process, affect its reuse effect;In addition, traditional device lacks flexibility when dealing with different particle size, different types of metal powder, difficult to meet the diversified recycling demand.

[0004] Therefore, in view of the deficiencies of prior art, the utility model needs to provide a kind of metal 3D printing powder high-efficiency recycling and reusing device, realize the efficient, pure recycling and reuse of metal powder. UTILITY MODEL CONTENT

[0005] The utility model is to provide a kind of metal 3D printing powder high-efficiency recycling and reusing device to solve the problems raised in the above background.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] The application discloses a kind of metal 3D printing powder high-efficiency recycling and reusing device, including base, collection chamber, screening chamber, drying chamber, storage chamber, conveying mechanism, control system and automatic screening device;Its characterized in that: the collection chamber is located at the top of base, for receiving the powder generated in metal D printing process;The screening chamber is communicated with collection chamber, for the preliminary screening of collected powder;The drying chamber is communicated with screening chamber, for the drying treatment of screened powder;The storage chamber is arranged below drying chamber, for storing the powder after drying;The conveying mechanism is through between each chamber, for the automatic transmission of powder;The control system is located on base, for controlling the operation of entire device;The automatic screening device is located in screening chamber, for the fine screening of powder.

[0008] Preferably, the automatic screening device includes a rotating screen cylinder and a drive motor connected to each other; The rotating screen cylinder is located in the screening chamber, and the inner wall thereof is provided with a plurality of screen holes, the aperture of the screen holes can be adjusted as needed; The drive motor provides power for the rotating screen cylinder to rotate; At the same time, a powder collector is arranged below the rotating screen cylinder, and the powder collector is used to collect the screened powder.

[0009] Preferably, the top of the collection chamber is provided with a collection chamber powder inlet, and the bottom is provided with a collection chamber powder outlet, and the collection chamber powder outlet is connected with the screening chamber; The inner wall of the collection chamber is provided with an anti-sticking coating to prevent the powder from adhering.

[0010] Preferably, a plurality of screen meshes are arranged in the screening chamber, and the apertures of the screen meshes gradually decrease from top to bottom to realize the preliminary screening of the powder; The bottom of the screening chamber is provided with a screening chamber powder outlet connected with the drying chamber; In addition, a vibrator is further arranged in the screening chamber, and the vibrator is used to promote the powder to pass through the screen meshes.

[0011] Preferably, the drying chamber is provided with a heating element and a fan, which are used to dry the screened powder; The top of the drying chamber is provided with an exhaust port for exhausting water vapor generated in the drying process; The bottom of the drying chamber is provided with a drying chamber powder outlet connected with the storage chamber.

[0012] Preferably, the storage chamber is provided with a plurality of storage cells for storing different types or different particle sizes of powder; The top of the storage chamber is provided with a storage chamber powder inlet connected with the drying chamber; The bottom is provided with a storage chamber powder outlet, which is convenient for taking out the powder.

[0013] Preferably, the conveying mechanism comprises a conveying belt, a motor and a transmission device; the conveying belt is connected between chambers requiring powder conveying, for automatic conveying of the powder; the motor provides power for the conveying belt, and the transmission device is used to connect the motor and the conveying belt; meanwhile, anti-skid strips are arranged on the conveying belt to prevent the powder from sliding off during conveying.

[0014] Preferably, the control system comprises a processor, a display screen electrically connected to the processor and operation buttons arranged on the display screen; the processor is used to receive operation instructions and control the operation of the entire device; the display screen is used to display the operation state of the device and the processing condition of the powder; and the operation buttons are used to input operation instructions.

[0015] Compared with the prior art, the present application has the following beneficial effects:

[0016] 1. The present application integrates the functions of collecting, screening, drying and storing in one through the integrated multi-chamber design, realizes efficient recovery and reuse of the metal powder, and realizes automatic conveying of the powder through the conveying mechanism between the chambers, thereby improving the recovery efficiency.

[0017] 2. The screening chamber of the present application is provided with multiple screens and vibrators, can preliminarily screen the collected powder to remove large-particle impurities, and can finely screen the powder through the automatic screening device, so as to adjust the aperture of the screen according to the needs and meet the recovery needs of powder of different particle sizes.

[0018] 3. The drying chamber of the present application is provided with heating elements and fans, can dry the screened powder to remove moisture and humidity, and improve the reuse effect of the powder; meanwhile, the storage chamber is provided with multiple storage cells, can store powder of different types or different particle sizes, and is convenient for subsequent classified use; in addition, the control system of the present application can monitor the operation state of the device and the processing condition of the powder in real time, is convenient for the operator to monitor and adjust, and the design of the operation buttons is also convenient for the operator to operate and control. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a first perspective three-dimensional structure schematic view of the present application;

[0020] Figure 2 It is a second perspective three-dimensional structure partial sectional schematic view of the present application;

[0021] Figure 3 It is Figure 2 a local enlarged view of A in the middle;

[0022] Figure 4 It is a top view partial sectional view of the present application;

[0023] Figure 5 For Figure 4 A local enlarged view of B;

[0024] Figure 6 A front view of the present application.

[0025] In the figure: 1 - base; 2 - collection chamber; 21 - collection chamber powder inlet; 22 - anti-sticking coating; 23 - collection chamber powder outlet; 3 - screening chamber; 31 - screen; 32 - screening chamber powder outlet; 33 - vibrator; 4 - drying chamber; 41 - heating element; 42 - fan; 43 - exhaust port; 44 - drying chamber powder outlet; 5 - storage chamber; 51 - storage grid; 52 - storage chamber powder inlet; 53 - storage chamber powder outlet; 6 - conveying mechanism; 61 - conveyor belt; 62 - motor; 63 - transmission device; 64 - anti-slip strip; 7 - control system; 71 - processor; 72 - display screen; 73 - operation button; 8 - automatic screening device; 81 - rotating sieve drum; 82 - drive motor; 83 - sieve hole; 84 - powder collector. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0027] As Figures 1 to 6 shown, the present application is a kind of metal 3D printing powder efficient recycling and reuse device, the recycling and reuse device is by pedestal 1, collection chamber 2, screening chamber 3, drying chamber 4, storage chamber 5, conveying mechanism 6, control system 7 and automatic screening device 8 composition;Further, the pedestal 1 is the support structure of the whole device, it is made of firm and durable material, to ensure the stability and durability of device.The pedestal 1 is equipped with the installation space of control system 7, it is convenient to control and monitor the device.

[0028] Specifically, as Figures 1 to 6 shown, the collection chamber 2 is located at the top of pedestal 1, the collection chamber 2 is used to receive the powder generated in the process of metal 3D printing;The top of the collection chamber 2 is equipped with collection chamber powder inlet 21, to facilitate the entry of powder;Further optimization, the inner wall of the collection chamber 2 is equipped with anti-sticking coating 22, to prevent the powder from adhering to the inner wall of the chamber, affect the recovery efficiency;The bottom of the collection chamber 2 is equipped with collection chamber powder outlet 23, which is connected with screening chamber 3, to facilitate the transmission of powder.

[0029] Further, the screening chamber 3 is connected with the collection chamber 2 for preliminary screening of the collected powder; specifically, as shown in Figure 2 、 Figure 4 and Figure 5 , a plurality of screens 31 are arranged in the screening chamber 3, the pore size of the screens gradually decreases from top to bottom to achieve preliminary screening of the powder; the bottom of the screening chamber 3 is provided with a screening chamber powder outlet 32 and is connected with the drying chamber 4; in addition, a vibrator 33 is arranged in the screening chamber 3 for facilitating the passage of powder through the screen and improving the screening efficiency; the vibrator 33 can adjust the vibration frequency and amplitude as needed to adapt to the screening requirements of powder of different particle sizes.

[0030] Further, the drying chamber 4 is connected with the screening chamber 3 for drying treatment of the screened powder; specifically, as shown in Figure 1 、 Figure 2 and Figure 5 , a heating element 41 and a fan 42 are arranged in the drying chamber 4, the heating element 41 is used to provide heat, and the fan 42 is used to generate airflow to uniformly blow heat onto the powder to achieve drying effect; the top of the drying chamber 4 is provided with an exhaust port 43 for exhausting water vapor generated during the drying process to maintain a dry environment in the drying chamber 4; further optimized, the bottom of the drying chamber 4 is provided with a drying chamber powder outlet 44 connected with the storage chamber 5 for facilitating the transmission of the dried powder. Further, the storage chamber 5 is located below the drying chamber 4 for storing the dried powder; specifically, as shown in Figure 4 , a plurality of storage compartments 51 (two storage compartments 51 are shown in Figure 4 ) are arranged in the storage chamber 5 for storing powder of different types or different particle sizes; the number and size of the storage compartments 51 can be adjusted as needed to adapt to different scales of recycling requirements; the top of the storage chamber 5 is provided with a storage chamber powder inlet 52 connected with the drying chamber 4; the bottom is provided with a storage chamber powder outlet 53 for facilitating the removal and use of the powder.

[0031] In order to realize the flow in each chamber, further optimized, the conveying mechanism 6 is connected between the chambers that need to convey powder for automatic conveying of the powder; specifically, as shown in Figures 1 to 4 , the conveying mechanism 6 includes a conveyor belt 61, a motor 62 and a transmission device 63; wherein the conveyor belt 61 is made of wear-resistant and durable material to ensure the stability and safety of the powder during the conveying process; the motor 62 provides power for the conveyor belt 61, and the transmission device 63 is used to connect the motor 62 and the conveyor belt 61, preferably, the transmission device 63 is a transmission to realize power transmission; in addition, anti-skid strips 64 are arranged on the conveyor belt 61 to prevent the powder from sliding off during the conveying process and affecting the recycling efficiency.

[0032] Further, the control system 7 is located on the base 1 for controlling the operation of the entire device; the control system 7 includes a processor 71, a display screen 72 and operation buttons 73; the processor 71 is used to receive operation instructions and control the running state of the entire device; the display screen 72 is used to display the running state of the device and the processing condition of the powder, facilitating the monitoring and adjustment of the operator; the operation buttons 73 are used to input operation instructions to control the operation and stop of the recycling and reuse device.

[0033] The recycled metal powder usually needs to be sieved into different fine powders for reuse, and further optimization, the automatic screening device 8 is located in the screening chamber 3 for fine screening of the powder; in particular, as shown in Figure 2 and Figure 5 The automatic screening device 8 includes a rotating sieve cylinder 81 and a drive motor 82; the rotating sieve cylinder 81 is preferably a square sieve cylinder and the inner wall thereof is provided with a plurality of sieve holes 83, the aperture of the sieve hole can be adjusted as needed to adapt to the screening requirements of powders of different particle sizes; the drive motor 82 provides power for the rotating sieve cylinder 81 to rotate to realize fine screening of the powder; the rotation of the rotating sieve cylinder 81 not only promotes the fine screening of the powder, but also ensures the continuity and efficiency of the screening process; the design of the sieve hole 83 is exquisite, and the aperture size can be adjusted according to actual needs (preferably, a slidable covering plate can be provided on the inner wall of the rotating sieve cylinder 81 to adjust the aperture size), thereby realizing accurate separation of powders of different particle sizes; such flexibility enables the device to be applicable to recycling and reuse of various metal powders, improving its versatility and practicality; further, a powder collector 84 is provided below the rotating sieve cylinder 81; the shape and size of the powder collector 84 match the rotating sieve cylinder 81 to ensure that the screened powder can smoothly fall into it; the design of the powder collector 84 facilitates disassembly (extracted from the side of the screening chamber 3) and cleaning, thereby ensuring the hygiene and reliability of its long-term use; at the same time, the outlet of the powder collector 84 is connected with the conveying mechanism 6, so that the screened powder can be automatically conveyed to the next processing link (i.e. to the drying chamber 4), further improving the automation degree of the entire recycling and reuse process.

[0034] In addition, as a preferred embodiment, the utility model also has intelligent monitoring function; the processor 71 in the control system 7 can monitor the working state of each chamber and the processing condition of the powder in real time; through the display screen 72, the operator can clearly see the running state of the current device, the flow of the powder, the screening efficiency and other key information; these information provides important reference for the operator, so that they can adjust the operation parameters in time according to the actual situation, ensuring the efficient and stable operation of the device.

[0035] Of course, the design of the operation button 73 requires simplicity and clarity in order to facilitate the operator to quickly and accurately input operation instructions; through the operation button 73, the operator can start or stop the entire device, adjust the vibration frequency and amplitude of the vibrator 33 in the screening chamber 3, control the temperature of the heating element 41 and the wind speed of the fan 42 in the drying chamber 4, etc.; the input of these operation instructions enables the operator to flexibly control the entire recycling and reuse process to meet different production needs.

[0036] In practical applications, the metal 3D printing powder efficient recycling and reuse device has significant advantages: first, its integrated multi-chamber design makes each processing link closely connected, forming a complete and efficient recycling and reuse process; this design not only improves the powder recycling efficiency, but also reduces energy consumption and cost; second, the device has a high level of automation and intelligence, and can automatically complete the tasks of powder collection, screening, drying and storage, etc., greatly reducing the labor intensity of the operator; finally, the device also has good adaptability and flexibility, and can be applied to the recycling and reuse of various metal powders, meeting the needs of different industries.

[0037] In summary, the metal 3D printing powder efficient recycling and reuse device is an innovative and practical device; its integrated multi-chamber design, automatic conveying and screening structure design, and intelligent monitoring function make the device exhibit significant advantages in recycling and reuse of metal 3D printing powder; with the continuous development and popularization of metal 3D printing technology, the device will have broad market prospects and application value.

[0038] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model shall be included in the protection scope of the utility model.

Claims

1. A metal 3D printing powder high-efficiency recycling and reusing device, comprising a base (1), a collection chamber (2), a screening chamber (3), a drying chamber (4), a storage chamber (5), a conveying mechanism (6), a control system (7) and an automatic screening device (8); characterized in that: The collecting chamber (2) is located at the top of the base (1) for receiving the powder generated in the metal 3D printing process; the screening chamber (3) is communicated with the collecting chamber (2) for preliminary screening of the collected powder; the drying chamber (4) is communicated with the screening chamber (3) for drying treatment of the screened powder; the storage chamber (5) is arranged below the drying chamber (4) for storing the dried powder; the conveying mechanism (6) penetrates between the chambers for automatic conveying of the powder; the control system (7) is located on the base (1) for controlling the operation of the whole device; and the automatic screening device (8) is located in the screening chamber (3) for fine screening of the powder.

2. The metal 3D printing powder high-efficiency recycling and reusing device according to claim 1, characterized in that: The automatic screening device (8) comprises a rotary screen cylinder (81) and a driving motor (82) which are in transmission connection with each other; the rotary screen cylinder (81) is located in the screening chamber (3) and is provided with a plurality of screen holes (83) on the inner wall, the aperture of the screen hole (83) can be adjusted as required; the driving motor (82) provides power for the rotary screen cylinder (81) to rotate; at the same time, the rotary screen cylinder (81) is provided with a powder collector (84) below, and the powder collector (84) is used for collecting the screened powder.

3. The metal 3D printing powder high-efficiency recycling and reusing device according to claim 2, characterized in that: The collecting chamber (2) is provided with a collecting chamber powder inlet (21) at the top and a collecting chamber powder outlet (23) at the bottom, and the collecting chamber powder outlet (23) is communicated with the screening chamber (3); the inner wall of the collecting chamber (2) is provided with an anti-sticking coating (22) to prevent the powder from adhering.

4. The metal 3D printing powder high-efficiency recycling and reusing device according to claim 3, characterized in that: The screening chamber (3) is provided with a plurality of screen meshes (31), the aperture of the screen mesh (31) gradually decreases from top to bottom to realize preliminary screening of the powder; the bottom of the screening chamber (3) is provided with a screening chamber powder outlet (32) which is communicated with the drying chamber (4); in addition, the screening chamber (3) is further provided with a vibrator (33) which is used for promoting the powder to pass through the screen mesh (31).

5. The metal 3D printing powder high-efficiency recycling and reusing device according to claim 4, characterized in that: The drying chamber (4) is provided with a heating element (41) and a fan (42) for drying treatment of the screened powder; the top of the drying chamber (4) is provided with an exhaust port (43) for discharging water vapor generated in the drying process; the bottom of the drying chamber (4) is provided with a drying chamber powder outlet (44) which is communicated with the storage chamber (5).

6. The metal 3D printing powder high-efficiency recycling and reusing device according to claim 5, characterized in that: The storage chamber (5) is provided with a plurality of storage cells (51) for storing different kinds or different particle size powders; the top of the storage chamber (5) is provided with a storage chamber powder inlet (52) which is communicated with the drying chamber (4); and the bottom is provided with a storage chamber powder outlet (53) for facilitating the powder to be taken out.

7. The metal 3D printing powder high-efficiency recycling and reusing device according to claim 6, characterized in that: The conveying mechanism (6) comprises a conveying belt (61), a motor (62) and a transmission device (63); the conveying belt (61) is connected between chambers requiring powder conveying, for automatic conveying of the powder; the motor (62) provides power for the conveying belt (61), and the transmission device (63) is used for connecting the motor (62) and the conveying belt (61); meanwhile, the conveying belt (61) is provided with anti-skid strips (64) to prevent the powder from sliding off during conveying.

8. The metal 3D printing powder high-efficiency recycling and reusing device according to any one of claims 1-7, characterized in that: The control system (7) comprises a processor (71), a display screen (72) electrically connected to the processor (71) and operation buttons (73) arranged on the display screen (72); the processor (71) is used for receiving operation instructions and controlling the operation of the whole device; the display screen (72) is used for displaying the operation state of the device and the treatment condition of the powder; and the operation buttons (73) are used for inputting operation instructions.

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