Plastic precision part 3D printing cleaning device

Abstract

The utility model discloses a plastic precision part 3D printing cleaning device which comprises a rack, a cleaning assembly is installed in the rack and comprises a protective cover fixedly connected with the inner wall of the top of the rack, a motor is fixedly installed on the outer wall of the bottom of the protective cover, and the output end of the motor penetrates through the protective cover and extends inwards. A containing frame is coaxially fixed to the output end of the motor, an air spraying pipe is fixedly installed on the inner wall of one side of the protective cover, a nozzle outside the air spraying pipe is arranged right opposite to the containing frame, a collecting box is fixedly connected to the outer wall of the bottom of the protective cover, a fan is fixedly installed on the outer wall of the bottom of the collecting box, and the fan communicates with the inner space of the collecting box. Through the arrangement of the cleaning assembly, the position of the plastic part is continuously changed, all the positions of the plastic part can be ensured to be directly irradiated by air flow in cooperation with air flow injection of the air injection pipe, and the cleaning effect can be improved.

Description

Technical Field

[0001] This utility model relates to the field of 3D printing technology, specifically to a 3D printing cleaning device for precision plastic parts. Background Technology

[0002] 3D printing, or three-dimensional printing technology, is a device for rapid prototyping using digital technology. It uses a layer-by-layer deposition method to transform a computer-designed three-dimensional model into a physical object. After processing, powder residue remains on the workpiece, which needs to be cleaned off.

[0003] A search revealed a utility model patent with Chinese patent publication number CN220808539U, which discloses a novel 3D printing plastic powder processing device, specifically relating to the field of 3D printing technology. The device includes a printing chamber, and further comprises: an exhaust fan fixedly installed inside the printing chamber; a powder recovery box detachably connected to the printing chamber; a collection box slidably connected to the powder recovery box, with the powder recovery box located at the exhaust outlet of the exhaust fan; and an air suction pump fixedly connected to a sealed door.

[0004] The aforementioned device removes powder by blowing air onto the workpiece. However, the workpiece structure is generally complex, and because the airflow direction is fixed, some structures may block the airflow. After the work is completed, the workpiece needs to be cleaned a second time, which is inconvenient and has room for improvement. Utility Model Content

[0005] The purpose of this invention is to provide a cleaning device for 3D printing of precision plastic parts to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a cleaning device for 3D printing of precision plastic parts, comprising a frame, a cleaning assembly installed inside the frame, the cleaning assembly including a protective cover fixedly connected to the inner wall of the top of the frame, a motor fixedly installed on the outer wall of the bottom of the protective cover, and the output end of the motor passing through the protective cover and extending inward, a holding frame coaxially fixed to the output end of the motor, and an air jet pipe fixedly installed on the inner wall of one side of the protective cover, with the nozzle outside the air jet pipe facing the holding frame.

[0007] As a further preferred embodiment of this technical solution, a collection box is fixedly connected to the bottom outer wall of the protective cover, a fan is fixedly installed on the bottom outer wall of the collection box, and the fan is connected to the internal space of the collection box. The same pipe is fixedly inserted between the fan and the jet pipe.

[0008] The position of the plastic part is continuously changed, and the air flow of the air jet pipe is sprayed, so that the air flow can directly spray each position of the plastic part, thereby improving the cleaning effect.

[0009] As a further preferred aspect of the present technical solution, a same pipeline is fixedly inserted into the top of the outer wall on one side of the collecting box and the bottom of the outer wall on one side of the protective cover.

[0010] As a further preferred aspect of the present technical solution, a same transmission assembly is installed on the machine frame and the support plate.

[0011] As a further preferred aspect of the present technical solution, the transmission assembly comprises two linear motors I fixedly connected to the inner walls on both sides of the support plate, a linear motor II fixedly connected to the moving coils of the two linear motors I, an extruder fixedly installed on the moving coil of the linear motor II, two linear motors III fixedly installed on the top of the outer wall of the machine frame, and a moving plate fixedly connected to the moving coils of the two linear motors III.

[0012] As a further preferred aspect of the present technical solution, a cleaning assembly is installed on the outside of the machine frame, the cleaning assembly comprises a slide rail fixedly connected to the outer wall on one end of the machine frame and arranged in a horizontal direction, a cleaning rod slidingly sleeved on the outside of the slide rail, and the cleaning rod is in close contact with the top of the outer wall of the moving plate.

[0013] As a further preferred aspect of the present technical solution, two collecting boxes are placed on the top of the machine frame, and the two collecting boxes are respectively located on both sides of the moving plate.

[0014] If there is powder remaining on the top of the moving plate, the cleaning rod is pushed to one side, the cleaning rod is translated along the slide rail, then the cleaning rod can clean the powder off the moving plate, and finally the powder is collected in the collecting box, so that the remaining powder does not affect the printing work.

[0015] The present application provides a kind of plastic precision piece 3D printing cleaning device, with following beneficial effects:

[0016] (1)The utility model discloses a cleaning assembly is set up, make the plastic part position keep changing, cooperate the airflow injection of jet pipe, can guarantee that each position of plastic part can obtain airflow direct injection, be favorable to improve the cleaning effect, put the product of finishing processing to the inside of containing frame, and close the door of protective cover's box, start the fan of collection box bottom, the air of collection box inside is extracted to the jet pipe, then from the nozzle of jet pipe jet to containing frame, the product surface powder is cleaned directly contacted part, start the motor of protective cover bottom simultaneously, and the motor output end drives containing frame to autorotate, and the product placed in it also starts to rotate, guarantee that the powder of product corner can also be cleaned, improve the cleaning effect greatly.

[0017] (2)The utility model discloses a cleaning component is set up, if the powder of mobile board top remains, push the cleaning rod to one side, and the cleaning rod translates along the slide rail, then the cleaning rod can clean the powder down the mobile board, and finally concentrate and fall into the collection box, avoid these residual powder to influence the printing work to carry out. DRAWINGS

[0018] Figure 1 It is the whole first visual angle structure schematic diagram of the utility model;

[0019] Figure 2 It is the whole second visual angle structure schematic diagram of the utility model;

[0020] Figure 3 It is the whole third visual angle structure schematic diagram of the utility model;

[0021] Figure 4 It is the cleaning assembly enlarged structure schematic diagram of the utility model;

[0022] In the drawing: 1, rack;2, support plate;3, extruder;4, cleaning assembly;5, transmission assembly;6, cleaning component;401, protective cover;402, motor;403, containing frame;404, jet pipe;405, collection box;406, fan;407, filter screen;501, linear motor one;502, linear motor two;503, linear motor three;504, mobile board;601, slide rail;602, cleaning rod;603, collection box. DETAILED DESCRIPTION

[0023] The technical scheme in the embodiment of the utility model will be clearly and completely described in combination with the drawings in the embodiment of the utility model.

[0024] The utility model provides technical scheme: such as Figure 3 And Figure 4As shown, in this embodiment, a plastic precision 3D printing cleaning device, including rack 1, rack 1 inside installation has cleaning assembly 4, cleaning assembly 4 includes the inner wall of the top of the rack 1 is fixedly connected with the protective cover 401, the outer wall of the bottom of the protective cover 401 is fixedly installed with the motor 402, and the output end of the motor 402 penetrates the protective cover 401 and extends inward, the output end of the motor 402 is coaxially fixed with the containing frame 403, the inner wall of one side of the protective cover 401 is fixedly installed with the air jet pipe 404, and the nozzle of the outer part of the air jet pipe 404 is opposite to the containing frame 403.

[0025] The outer wall of the bottom of the collecting box 405 is fixedly installed with the fan 406, and the fan 406 is in communication with the inner space of the collecting box 405, and the same pipe is fixedly inserted between the fan 406 and the air jet pipe 404.

[0026] The outer wall of the bottom of the collecting box 405 is fixedly installed with the fan 406, and the fan 406 is in communication with the inner space of the collecting box 405, and the same pipe is fixedly inserted between the fan 406 and the air jet pipe 404.

[0027] The outer wall of the bottom of the collecting box 405 is fixedly installed with the fan 406, and the fan 406 is in communication with the inner space of the collecting box 405, and the same pipe is fixedly inserted between the fan 406 and the air jet pipe 404.

[0028] As shown in Figure 1 and Figure 2 The outer wall of the top of the rack 1 is fixedly connected with the support plate 2, and the rack 1 and the support plate 2 are installed with the same transmission assembly 5.

[0029] The transmission assembly 5 includes two linear motors one 501 fixedly connected with the inner wall of both sides of the support plate 2, the same linear motor two 502 is fixedly connected with the mover of the two linear motors one 501, the mover of the linear motor two 502 is fixedly installed with the extruder 3, the outer wall of the top of the rack 1 is fixedly installed with two linear motors three 503, and the same moving plate 504 is fixedly connected with the mover of the two linear motors three 503.

[0030] The extruder 3 starts printing, the raw material is added from the material inlet of the extruder 3, and is moved forward under the conveying action of the feeding screw, the raw material is subjected to strong shearing and extrusion in the extrusion screw section, is gradually heated and melted and homogenized, and the homogenized material is extruded from the die of the extrusion screw under the pushing of the extrusion screw, and is combined with the transmission assembly 5 to form a product with a certain shape and size, the linear motor two 502 can be driven to move in the vertical direction by starting the linear motor one 501, the extruder 3 can be moved left and right by starting the linear motor two 502, and the moving plate 504 can be moved forward and backward by starting the linear motor three 503, and the three are combined to ensure that the discharge port of the extruder 3 can be moved to any position, thereby adapting to the processing of different products.

[0031] As shown in Figure 1 and Figure 3 The frame 1 is externally provided with a cleaning assembly 6, the cleaning assembly 6 comprises a sliding rail 601 fixedly connected to the outer wall of one end of the frame 1, and the sliding rail 601 is arranged in a horizontal direction, and the cleaning rod 602 is slidably sleeved outside the sliding rail 601, and the cleaning rod 602 is just attached to the top outer wall of the moving plate 504.

[0032] Two collecting boxes 603 are placed on the top outer wall of the frame 1, and the two collecting boxes 603 are respectively located on both sides of the moving plate 504.

[0033] If there is powder remaining on the top of the moving plate 504, the cleaning rod 602 is pushed to one side, the cleaning rod 602 is translated along the sliding rail 601, then the cleaning rod 602 can clean the powder off the moving plate 504, and finally the powder is collected in the collecting box 603, so that the remaining powder does not affect the printing work.

[0034] The utility model provides a kind of 3D printing cleaning device for plastic precision parts, and specific working principle is as follows:

[0035] When the device works, the printer receives three-dimensional model information, the machine translates the received three-dimensional information into a format that can be recognized by the printer space, and performs layering processing to convert the three-dimensional model into a series of two-dimensional cross-section information, and the extruder 3 can start printing, the raw material is added from the material inlet of the extruder 3, and moves forward under the conveying action of the feeding screw, the raw material is subjected to strong shearing and extrusion in the extrusion screw section, and is gradually heated and melted and homogenized, and the homogenized material is extruded from the die of the extrusion screw under the pushing of the extrusion screw, and forms a product with a certain shape and size in cooperation with the transmission assembly 5, the linear motor two 502 can be driven to move in the vertical direction by starting the linear motor one 501, the extruder 3 can be moved left and right by starting the linear motor two 502, and the moving plate 504 can be moved forward and backward by starting the linear motor three 503, and the cooperation of the three can ensure that the discharge port of the extruder 3 can be moved to any position, thereby adapting to the processing of different products, then the finished product is placed in the holding frame 403, and the box door of the protective cover 401 is closed, the fan 406 at the bottom of the collection box 405 is started, the air in the collection box 405 is sucked into the air jet pipe 404, and then the nozzle of the air jet pipe 404 sprays towards the holding frame 403, the part of the product surface powder directly contacted by the airflow can be cleaned, and the motor 402 at the bottom of the protective cover 401 is started, the motor 402 drives the holding frame 403 to rotate, and the product placed in the holding frame 403 also starts to rotate, so that the powder on the corners of the product can also be cleaned, and the cleaning effect is greatly improved, the air in the collection box 405 is sucked away, and the negative pressure generated thereby also sucks the air in the protective cover 401 through the pipeline, the powder cleaned is collected in time by the pipeline, and then enters the fan 406 through the collection box 405, under the action of the filter screen 407, the powder in the airflow is intercepted, and only air enters the fan 406 for circulation, if there is powder remaining on the top of the moving plate 504, the cleaning rod 602 is pushed to one side, the cleaning rod 602 translates along the slide rail 601, and then the cleaning rod 602 can clean the powder on the moving plate 504, and finally the powder is collected in the collection box 603, so that the remaining powder does not affect the printing work.

[0036] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A plastic precision 3D printing cleaning device, comprising a rack (1), characterized in that: The frame (1) is internally provided with a cleaning assembly (4), the cleaning assembly (4) comprises a protective cover (401) fixedly connected to the inner wall of the top of the frame (1), the bottom outer wall of the protective cover (401) is fixedly provided with an electric motor (402), and the output end of the electric motor (402) penetrates the protective cover (401) and extends inward, the output end of the electric motor (402) is coaxially fixedly provided with a containing frame (403), one side of the inner wall of the protective cover (401) is fixedly provided with a jet pipe (404), and the nozzle of the outer wall of the jet pipe (404) is arranged opposite to the containing frame (403). 2.The plastic precision 3D printing cleaning device of claim 1, wherein: The bottom outer wall of the protective cover (401) is fixedly connected with a collecting box (405), the bottom outer wall of the collecting box (405) is fixedly provided with a fan (406), and the fan (406) is in communication with the internal space of the collecting box (405), and the same pipe is fixedly inserted between the fan (406) and the jet pipe (404).

3. The plastic precision 3D printing cleaning device according to claim 2, characterized in that: The same pipe is fixedly inserted between the top of the outer wall of one side of the collecting box (405) and the bottom of the outer wall of one side of the protective cover (401), and the collecting box (405) is provided with a filter screen (407) which completely shields the fan (406).

4. The plastic precision 3D printing cleaning device according to claim 1, characterized in that: The top outer wall of the frame (1) is fixedly connected with a support plate (2), and the frame (1) and the support plate (2) are provided with the same transmission assembly (5).

5. The plastic precision 3D printing cleaning device according to claim 4, characterized in that: The transmission assembly (5) comprises two linear motors I (501) fixedly connected to the inner walls of both sides of the support plate (2), the same linear motor II (502) is fixedly connected to the movers of the two linear motors I (501), the mover of the linear motor II (502) is fixedly provided with an extruder (3), and the top outer wall of the frame (1) is fixedly provided with two linear motors III (503), and the same moving plate (504) is fixedly connected to the movers of the two linear motors III (503). 6.The plastic precision 3D printing cleaning device of claim 1, wherein: The frame (1) is externally provided with a cleaning assembly (6), the cleaning assembly (6) comprises a slide rail (601) fixedly connected to the outer wall of one end of the frame (1), and the slide rail (601) is arranged in a horizontal direction, the cleaning rod (602) is slidably sleeved on the outer wall of the slide rail (601), and the cleaning rod (602) is in close contact with the top outer wall of the moving plate (504). 7.The plastic precision 3D printing cleaning device of claim 6, wherein: Two collecting boxes (603) are placed on the top outer wall of the frame (1), and the two collecting boxes (603) are respectively located on both sides of the moving plate (504).

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