Metal powder 3D printing laser sintering device

Abstract

The utility model relates to the technical field of 3D printing, in particular to a metal powder 3D printing laser sintering device, which comprises a working box, a laser generator, a cleaning component, two collecting components and a driving component, each collecting component comprises a collecting box, a filter screen and a guide plate, the guide plate is fixedly connected with the collecting box, the filter screen is fixedly connected with the collecting box, and the driving component is fixedly connected with the working box. The collecting box is fixedly connected with the working box, after printing work is finished, the cleaning assembly guides objects such as impurities and dust to the collecting box, the guide plate can prevent the impurities and dust from directly falling into the bottom of the working box, the filter screen can be detached, the filter screen can directly absorb substances such as small metal particles, and the collecting box absorbs the substances such as dust. The whole process is automatic and efficient, and the problems that in the prior art, redundant powder is inconvenient to collect and treat after being removed, and blockage is likely to be caused are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of 3D printing, in particular to a metal powder 3D printing laser sintering device. Background Art

[0002] 3D printing, also known as additive manufacturing technology, has become a relatively mature technology after decades of development. After the existing printing device is sintered, the excess powder is not easy to clean. After the work is completed, it needs to be taken out and processed before reuse, thereby extending the post-processing cycle and efficiency.

[0003] In the prior art, the patent (CN215845716U) discloses a metal powder 3D printing laser sintering device, including a machine body, a laser generator and a feed barrel are respectively arranged on the upper part of the interior of the machine body, a slide rod is installed inside the machine body, a powder spreading assembly is installed inside the machine body, a drive motor is installed on the top of the feed barrel, and the output end of the drive motor is connected to the drive shaft. The utility model is provided with a cleaning assembly. After printing is completed, the staff starts the second servo motor, and the rotation of the second servo motor causes the first screw rod to rotate. After the first screw rod rotates, the fixed frame is driven to move through the first threaded sleeve, thereby causing the scraper to move. The scraper can scrape off the residual powder during the movement, thereby making cleaning more convenient, and under the action of the scraper, some sticky powder can be scraped off, saving time and effort.

[0004] However, in the above-mentioned prior art, it is not convenient to collect and process the excess powder after it is removed, which may easily cause blockage. Utility Model Content

[0005] The utility model aims to provide a metal powder 3D printing laser sintering device, which solves the problem in the prior art that excess powder is not easy to collect and process after being removed, and is prone to blockage.

[0006] To achieve the above-mentioned purpose, the utility model provides a metal powder 3D printing laser sintering device, including a working box, a laser generator, a cleaning component, two collecting components and a driving component, wherein the driving component is fixedly connected to the working box and is located below the working box, the cleaning component is fixedly connected to the driving component and is located above the driving component, the laser generator is fixedly connected to the working box and is located above the working box, each of the collecting components includes a collecting box, a filter and a guide plate, the guide plate is fixedly connected to the collecting box and is located on one side of the collecting box, the filter is fixedly connected to the collecting box and is located above the collecting box, and the collecting box is fixedly connected to the working box and is located at the bottom of the working box.

[0007] Wherein, the working box includes a body, a door panel, a handle and two pins, the two pins are fixedly connected to the body and are located on one side of the body, the door panel is rotatably connected to the two pins and is located on the other side of the two pins, and the handle is fixedly connected to the door panel and is located on one side of the door panel.

[0008] Among them, the driving assembly includes a dustproof box, a first motor and a screw, one end of the screw is rotatably connected to the output end of the first motor, the first motor is fixedly connected to the body and located at the bottom of the body, and the dustproof box is fixedly connected to the body and located at the bottom of the body.

[0009] Wherein, the cleaning assembly includes a cleaning table, a second motor, a screw rod, a fixed block and a scraper, the scraper is fixedly connected to the fixed block and is located above the fixed block, the fixed block is rotatably connected to the screw rod and is located at one end of the screw rod, the other end of the screw rod is movably connected to the output end of the second motor, and the second motor is fixedly connected to the cleaning table and is located on the inner wall of the cleaning table.

[0010] Among them, the metal powder 3D printing laser sintering device also includes a gas tank and an air pump, the gas tank is fixedly connected to the air pump and is located at one end of the air pump, and the other end of the air pump is fixedly connected to the body and is located on one side of the body.

[0011] The utility model discloses a metal powder 3D printing laser sintering device. After the printing work is completed, the cleaning component guides impurities, dust and other items to the collection box. The guide plate can prevent these impurities, dust and other items from falling directly into the bottom of the working box. The filter screen can be disassembled. The filter screen can directly absorb small metal particles and other substances. The collection box absorbs dust and other substances. The whole process is automatic and efficient, which solves the problem that the excess powder in the prior art is not convenient for collection and treatment after removal, and is prone to blockage. The gas tank stores inert gas. During the printing process, the air pump controls the gas tank to discharge the inert gas, controls the reaction rate of the metal, and thus obtains a higher quality product. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] 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 or the description of the prior art are briefly introduced below.

[0013] Figure 1 It is a front view of the first embodiment of the utility model.

[0014] Figure 2 The utility model Figure 1 AA line section view.

[0015] Figure 3 The utility model Figure 2 BB line cross-sectional view.

[0016] Figure 4 It is a front view of the second embodiment of the utility model.

[0017] 101-working box, 102-laser generator, 103-cleaning component, 104-collecting component, 105-driving component, 106-collecting box, 107-filter, 108-guide plate, 109-body, 110-door panel, 111-handle, 112-pin shaft, 113-dust box, 114-first motor, 115-screw, 116-cleaning table, 117-second motor, 118-screw, 119-fixing block, 120-shovel, 201-gas tank, 202-air pump. DETAILED DESCRIPTION

[0018] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but should not be understood as limiting the present invention.

[0019] The first embodiment of the present application is:

[0020] See also Figure 1-Figure 3 ,in Figure 1 This is a front view of the first embodiment of the utility model. Figure 2 The utility model Figure 1 AA line section view, Figure 3 The utility model Figure 2 BB line cross-sectional view.

[0021] The utility model provides a metal powder 3D printing laser sintering device, including a working box 101, a laser generator 102, a cleaning component 103, two collecting components 104 and a driving component 105, each of the collecting components 104 includes a collecting box 106, a filter 107 and a guide plate 108, the working box 101 includes a body 109, a door panel 110, a handle 111 and two pins 112, the driving component 105 includes a dust box 113, a first motor 114 and a screw 115, and the cleaning component 103 includes a cleaning table 116, a second motor 117, a screw 118, a fixing block 119 and a scraper 120.

[0022] According to this specific embodiment, the driving assembly 105 is fixedly connected to the working box 101, the cleaning assembly 103 is fixedly connected to the driving assembly 105, the laser generator 102 is fixedly connected to the working box 101, the guide plate 108 is fixedly connected to the collecting box 106, the filter 107 is fixedly connected to the collecting box 106, the collecting box 106 is fixedly connected to the working box 101, the two pins 112 are fixedly connected to the body 109, the door panel 110 is rotatably connected to the two pins 112, the handle 111 is fixedly connected to the door panel 110, one end of the screw 115 is rotatably connected to the output end of the first motor 114, the first motor 114 is fixedly connected to the body 109, the dust box 113 is fixedly connected to the machine body 109, and the dust box 113 is fixedly connected to the machine body 109. The body 109 is fixedly connected, the scraper 120 is fixedly connected to the fixed block 119, the fixed block 119 is rotatably connected to the screw rod 118, the other end of the screw rod 118 is movably connected to the output end of the second motor 117, the second motor 117 is fixedly connected to the cleaning table 116, after the printing work is completed, the cleaning component 103 guides foreign dust and other items to the collection box 106, the guide plate 108 can prevent these foreign dust from falling directly into the bottom of the working box 101, the filter screen 107 can be disassembled, the filter screen 107 can directly absorb small metal particles and other substances, the collection box 106 absorbs dust and other substances, the whole process is automatic and efficient, and solves the problem that the excess powder in the prior art is not convenient for collection and processing after removal, which is easy to cause blockage.

[0023] Among them, the driving component 105 is located below the working box 101, the cleaning component 103 is located above the driving component 105, the laser generator 102 is located above the working box 101, the guide plate 108 is located on one side of the collecting box 106, the filter 107 is located above the collecting box 106, and the collecting box 106 is located at the bottom of the working box 101. The cleaning component 103 can clean the impurities generated by printing in time, the laser generator 102 directly performs the printing step for printing, and the setting of the guide plate 108 facilitates the downward movement of impurities at the cleaning component 103, which facilitates the collection of the collecting box 106.

[0024] Secondly, the two pins 112 are located on one side of the body 109, the door panel 110 is located on the other side of the two pins 112, and the handle 111 is located on one side of the door panel 110. The setting of the pins 112 is convenient for the staff to rotate the door panel 110, and the handle 111 provides convenience for the staff to rotate the door panel 110. During the printing process, the door panel 110 plays a role in protecting and isolating the outside world to prevent internal gas or impurities from escaping. After the printing work is completed, the door is opened, which is also convenient for the staff to take out the printed items.

[0025] At the same time, the first motor 114 is located at the bottom of the body 109, and the dust box 113 is located at the bottom of the body 109. The first motor 114 controls the up and down movement of the screw 115, so as to facilitate the position adjustment after the printing work starts. When the metal object is printed, the first motor 114 controls the screw 115 to move downward so that there is sufficient printing space. At the same time, the downward movement process can also facilitate the collection box 106 to better collect the waste generated by printing.

[0026] In addition, the scraper 120 is located above the fixed block 119, the fixed block 119 is located at one end of the screw rod 118, and the second motor 117 is located on the inner wall of the cleaning table 116. The scraper 120 can remove solid metal impurities emitted during the printing process to prevent these impurities from accumulating on the cleaning table 116 and affecting the printing effect of the product. The fixed block 119 moves through the movement of the screw rod 118, and the second motor 117 controls the extension and retraction of the screw rod 118, thereby automatically completing the cleaning of impurities.

[0027] In this embodiment, the cleaning component 103 guides impurities, dust and other items to the collection box 106, the guide plate 108 can prevent these impurities, dust and other items from falling directly into the bottom of the working box 101, the filter screen 107 can be disassembled, the filter screen 107 can directly absorb substances such as small metal particles, and the collection box 106 absorbs dust and other substances. The whole process is automatic and efficient, which solves the problem that the excess powder in the prior art is not convenient for collection and treatment after removal, which is easy to cause blockage. The setting of the pin shaft 112 is convenient for the staff to rotate the door panel 110, and the handle 111 provides convenience for the staff to rotate the door panel 110. During the printing process, the door panel 110 plays a role in protecting and isolating the outside world to prevent internal gas or impurities from escaping. After the bundle is bundled, the door is opened, which is also convenient for the staff to take out the printed items. The first motor 114 controls the up and down movement of the screw 115, so as to facilitate the position adjustment after the printing work starts. When the metal object is printed, the first motor 114 controls the screw 115 to move downward so that there is sufficient printing space. At the same time, the downward movement process can also facilitate the collection box 106 to better collect the waste generated by printing. The scraper 120 can remove the solid metal impurities emitted during the printing process to prevent these impurities from accumulating on the cleaning table 116 and affecting the printing effect of the product. The fixed block 119 moves through the movement of the screw 118, and the second motor 117 controls the extension and retraction of the screw 118, so as to automatically complete the cleaning of impurities.

[0028] The second embodiment of the present application is:

[0029] Based on the first embodiment, please refer to Figure 4 ,in Figure 4 It is a front view of the second embodiment of the utility model.

[0030] The utility model provides a metal powder 3D printing laser sintering device, which also includes a gas storage tank 201 and an air pump 202.

[0031] According to this specific embodiment, the gas tank 201 is fixedly connected to the air pump 202 and is located at one end of the air pump 202. The other end of the air pump 202 is fixedly connected to the body 109 and is located on one side of the body 109. The gas tank 201 stores inert gas. During the printing process, the air pump 202 controls the gas tank 201 to discharge the inert gas, controls the reaction rate of the metal, and thus obtains a higher quality product.

[0032] In this embodiment, the gas storage tank 201 stores inert gas. During the printing process, the air pump 202 controls the gas storage tank 201 to discharge the inert gas, thereby controlling the reaction rate of the metal, thereby obtaining a higher quality product.

[0033] What is disclosed above is only one or more preferred embodiments of the present application, and cannot be used to limit the scope of rights of the present application. Ordinary technicians in this field can understand that all or part of the processes of implementing the above embodiments and equivalent changes made according to the claims of the present application are still within the scope covered by the present application.

Claims

1. A metal powder 3D printing laser sintering device, comprising a working box, a laser generator, a cleaning component and a driving component, wherein the driving component is fixedly connected to the working box and is located below the working box, the cleaning component is fixedly connected to the driving component and is located above the driving component, the laser generator is fixedly connected to the working box and is located above the working box, and is characterized in that: It also includes two collecting components, each of which includes a collecting box, a filter screen and a guide plate, the guide plate is fixedly connected to the collecting box and is located on one side of the collecting box, the filter screen is fixedly connected to the collecting box and is located above the collecting box, and the collecting box is fixedly connected to the working box and is located at the bottom of the working box.

2. The metal powder 3D printing laser sintering device according to claim 1, characterized in that: The working box includes a body, a door panel, a handle and two pins, the two pins are fixedly connected to the body and are located on one side of the body, the door panel is rotatably connected to the two pins and is located on the other side of the two pins, and the handle is fixedly connected to the door panel and is located on one side of the door panel.

3. The metal powder 3D printing laser sintering device according to claim 2, characterized in that: The driving assembly includes a dustproof box, a first motor and a screw, one end of the screw is rotatably connected to the output end of the first motor, the first motor is fixedly connected to the body and located at the bottom of the body, and the dustproof box is fixedly connected to the body and located at the bottom of the body.

4. The metal powder 3D printing laser sintering device according to claim 3, characterized in that: The cleaning assembly includes a cleaning table, a second motor, a screw rod, a fixed block and a scraper. The scraper is fixedly connected to the fixed block and is located above the fixed block. The fixed block is rotatably connected to the screw rod and is located at one end of the screw rod. The other end of the screw rod is movably connected to the output end of the second motor. The second motor is fixedly connected to the cleaning table and is located on the inner wall of the cleaning table.

5. The metal powder 3D printing laser sintering device according to claim 4, characterized in that: The metal powder 3D printing laser sintering device also includes a gas tank and an air pump, wherein the gas tank is fixedly connected to the air pump and is located at one end of the air pump, and the other end of the air pump is fixedly connected to the machine body and is located at one side of the machine body.

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