A 3D printing forming device for degradable material

Abstract

The application relates to the technical field of 3D printing equipment, and discloses a 3D printing forming device for degradable materials, which comprises a supporting base and a printing body, the upper surface of the supporting base is fixedly connected with a first supporting frame, a pushing mechanism for conveying and pushing the printing body is arranged in the first supporting frame, a waste collecting mechanism for collecting and cleaning the printing waste is arranged at the front end of the pushing mechanism in the first supporting frame, and a printing mechanism for performing printing work is arranged on the upper surface of the first supporting frame. After printing is completed, the finished product can be automatically pushed and discharged, the manual part taking step is saved, the automation level and the continuous operation efficiency of the device are obviously improved; meanwhile, the finished product is prevented from being damaged by artificial contact, such as knocking and deformation, the appearance integrity and the size precision of the finished product are effectively guaranteed, the device operation is more stable and reliable, and the long-time automatic printing forming requirement of the degradable material is met.

Description

Technical Field

[0001] This invention relates to the field of 3D printing equipment technology, and specifically provides a 3D printing molding device for biodegradable materials. Background Technology

[0002] Currently, waste plastics are mostly recycled offline. After being collected manually, they are crushed, dried, and granulated by external equipment before being transported to the printing device. The process is cumbersome, has a low degree of automation, and makes it difficult to accurately control the quality of recycled materials, which restricts the green and large-scale development of biodegradable 3D printing.

[0003] Existing 3D printing devices for biodegradable materials generally require manual removal of parts and manual cleaning of platform waste after printing. This is not only cumbersome and inefficient, but also the residual filaments, debris, and support waste left on the platform can affect the accuracy of subsequent printing. At the same time, the waste cannot be collected in a centralized manner and is easily mixed with impurities, making it difficult to recycle biodegradable materials, resulting in low utilization and making it difficult to achieve continuous automated production. Summary of the Invention

[0004] The purpose of this invention is to address the shortcomings of existing technologies by proposing a biodegradable material 3D printing device, which solves the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a biodegradable material 3D printing molding device, comprising a support base and a printing body, wherein a first support frame is fixedly connected to the upper surface of the support base, and a feeding mechanism for conveying and pushing the printing body is provided inside the first support frame, and a waste collection mechanism for collecting and cleaning printing waste is provided inside the first support frame at the front end of the feeding mechanism, and a printing mechanism for performing printing operations is provided on the upper surface of the first support frame.

[0006] Preferably, the pushing mechanism includes three push-telescopic rods fixedly connected inside the first support frame. One end of each push-telescopic rod is fixedly connected to a movable printing table. A limiting plate is fixedly connected inside the first support frame. A pulling slide is slidably connected to the outer surface of the limiting plate. A vertical fixing plate is fixedly connected to the upper surface of the movable printing table. A fixing frame is fixedly connected to the side surface of the vertical fixing plate. A wide gear is rotatably connected to the side surface of the fixing frame. A push toothed rod is slidably connected inside the vertical fixing plate. A movable toothed plate is fixedly connected to one side of the pulling slide.

[0007] Preferably, a sliding push rod is slidably connected inside the vertical fixed plate, a push plate is fixedly connected to one side of the sliding push rod, a push plate is fixedly connected to the other side of the sliding push rod, a compression spring is sleeved on the outer surface of the sliding push rod, a pull rod is fixedly connected to the upper surface of the movable printing table, and a first spring is sleeved on the outer surface of the pull rod.

[0008] Preferably, the first support frame and the movable printing table are fixedly connected by three push telescopic rods, the pull rod is slidably connected inside the pull slide plate, the movable toothed plate is meshed with a wide gear, the push toothed rod is meshed with a wide gear, the compression spring is disposed between the vertical fixed plate and the push plate, and the push plate and the push plate are connected by a sliding push rod.

[0009] Preferably, the waste collection mechanism includes a waste inlet opened inside the mobile printing table, a first side support frame and a second side support frame are fixedly connected to the upper surface of the first support frame, a rotating shaft and a cleaning roller shaft are rotatably connected inside the second side support frame, a flip plate is fixedly connected to the outer surface of the rotating shaft, a half gear is rotatably connected to the outer surface of the rotating shaft, a fixed push plate is fixedly connected to the outer surface of the rotating shaft, a rotating ring is fixedly connected inside the fixed push plate, and an arc-shaped spring is sleeved on the outer surface of the rotating ring.

[0010] Preferably, a cleaning gear is fixedly connected to the outer surface of the cleaning roller shaft, a connecting toothed rod is fixedly connected to the side surface of the movable printing table, a waste collection box is provided on the upper surface of the support base, the cleaning roller shaft is located below the flip plate, a limit block is provided below the flip plate on the side surface of the second side support frame to make the flip plate horizontal, and a guide feeding groove is fixedly connected to the front end of the first support frame.

[0011] Preferably, a first push telescopic rod is fixedly connected to the upper surface of the first side support frame, a second spring is sleeved on the outer surface of the first push telescopic rod, a movable frame is fixedly connected to one end of the first push telescopic rod, a cleaning scraper is rotatably connected inside the movable frame, a cleaning telescopic rod is rotatably connected to one side of the movable frame, a connecting slider is fixedly connected to one end of the cleaning telescopic rod, and a cleaning spring is sleeved on the outer surface of the cleaning telescopic rod.

[0012] Preferably, the rotating ring is slidably connected inside the half gear, the arc spring is disposed between the fixed push plate and the half gear, the half gear meshes with the connecting gear, the cleaning gear meshes with the connecting gear, the outer surface of the cleaning roller shaft is provided with a cleaning brush, the connecting slider is slidably connected inside the cleaning scraper, the first side support frame and the moving frame are connected by a first push telescopic rod, and the cleaning scraper is slidably connected to the upper surface of the moving printing table.

[0013] Preferably, the printing mechanism includes a first motor fixedly connected to the side surface of the first support frame, a threaded rod fixedly connected to the output shaft of the first motor, a first sliding frame threadedly connected to the outer surface of the threaded rod, a connecting rod fixedly connected to one side of the first sliding frame, a second sliding frame fixedly connected to one end of the connecting rod, a movable printing device slidably connected to the outer surface of the connecting rod, a print head fixedly connected to the bottom end of the movable printing device, a movable motor fixedly connected to one side of the second sliding frame, a transmission wheel fixedly connected to the output shaft of the movable motor, and a transmission belt drivingly connected to the outer surface of the transmission wheel.

[0014] Preferably, the transmission belt is connected to the mobile printing device, the first sliding frame and the second sliding frame are slidably connected inside the first support frame, and the first sliding frame and the second sliding frame are connected by a connecting rod.

[0015] Compared with the prior art, the present invention has the following beneficial effects: 1. This invention, through the cooperation of a feeding mechanism and a mobile printing table, can automatically push and unload the finished product after printing, eliminating the need for manual part removal and significantly improving the automation level and continuous operation efficiency of the device; at the same time, it avoids damage such as bumps and deformation of printed parts caused by manual contact, effectively ensuring the integrity of the finished product's appearance and dimensional accuracy, making the device more stable and reliable in operation, and meeting the needs of long-term automated printing of biodegradable materials.

[0016] 2. This invention, through the coordinated operation of the flip plate, cleaning roller, cleaning scraper, and waste collection box, can comprehensively clean and centrally collect residual materials and waste on the printing platform, preventing waste from scattering and accumulating and affecting equipment operation; effectively ensuring the purity of recycled biodegradable materials, improving the recycling rate of waste biodegradable plastics, reducing resource waste, and realizing integrated production of green environmental protection and resource recycling. Attached Figure Description

[0017] Figure 1 This is a front view of a biodegradable material 3D printing molding device proposed in this invention; Figure 2 For the present invention Figure 1 Enlarged view of point A; Figure 3 This is a rear view of a biodegradable material 3D printing molding device proposed in this invention; Figure 4 For the present invention Figure 3 Enlarged view of point B; Figure 5 This is a cross-sectional view of the feeding mechanism of a biodegradable material 3D printing molding device proposed in this invention; Figure 6This is a cross-sectional view of the waste collection mechanism of a biodegradable material 3D printing molding device proposed in this invention; Figure 7 For the present invention Figure 6 Enlarged view of point C; Figure 8 For the present invention Figure 6 Enlarged view of point D.

[0018] Explanation of reference numerals in the attached figures: 1. Support base; 2. Pushing mechanism; 201. Three-section push telescopic rod; 202. Moving printing table; 203. Moving toothed plate; 204. Limiting and fixing plate; 205. Pulling slide plate; 206. Vertical fixing plate; 207. Fixing frame; 208. Wide gear; 209. Sliding push rod; 210. Compression spring; 211. Push plate; 212. Push toothed rod; 213. Pushing plate; 215. Pulling rod; 216. First spring; 3. Waste collection mechanism; 301. Waste inlet; 302. Rotating shaft; 303. Tilting plate; 304. Cleaning roller shaft; 305. Half gear; 306. Fixed push plate; 307. Rotating ring; 308. Arc spring; 309. 310. Cleaning gear; 311. Connecting rack; 312. Waste collection box; 313. Guide feed chute; 314. First push telescopic rod; 315. Second spring; 316. Moving frame; 317. Cleaning scraper; 318. Cleaning spring; 319. Connecting slider; 4. Printing mechanism; 401. First motor; 402. Threaded rod; 403. First sliding frame; 404. Connecting rod; 405. Moving printing device; 406. Print head; 407. Second sliding frame; 408. Moving motor; 409. Transmission wheel; 410. Transmission belt; 5. First support frame; 6. Printing body; 7. First side support frame; 8. Second side support frame. Detailed Implementation

[0019] To better understand the above-mentioned objectives, features, and advantages of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0020] Numerous specific details are set forth in the following description in order to provide a full understanding of the invention. However, the invention may also be practiced in other ways different from those described herein, and therefore the invention is not limited to the specific embodiments disclosed below.

[0021] like Figure 1 - Figure 8The apparatus shown is a biodegradable material 3D printing molding device, including a support base 1 and a printing body 6. A first support frame 5 is fixedly connected to the upper surface of the support base 1. A feeding mechanism 2 for conveying and pushing the printing body 6 is provided inside the first support frame 5. A waste collection mechanism 3 for collecting and cleaning printing waste is provided inside the first support frame 5 at the front end of the feeding mechanism 2. A printing mechanism 4 for performing printing operations is provided on the upper surface of the first support frame 5.

[0022] The feeding mechanism 2 includes a three-section push telescopic rod 201 fixedly connected inside the first support frame 5. One end of the three-section push telescopic rod 201 is fixedly connected to a movable printing table 202. A limiting plate 204 is fixedly connected inside the first support frame 5. A pull slide plate 205 is slidably connected to the outer surface of the limiting plate 204. A vertical fixing plate 206 is fixedly connected to the upper surface of the movable printing table 202. A fixing frame 207 is fixedly connected to the side surface of the vertical fixing plate 206. A wide gear 208 is rotatably connected to the side surface of the fixing frame 207. A push rack 212 is slidably connected inside the vertical fixing plate 206. A sliding push rod 209 is slidably connected inside the vertical fixing plate 206. A push plate 211 is fixedly connected to one side of the sliding push rod 209. On the other side of 09, a pusher plate 213 is fixedly connected. A compression spring 210 is sleeved on the outer surface of the sliding push rod 209. A pull rod 215 is fixedly connected to the upper surface of the movable printing table 202. A first spring 216 is sleeved on the outer surface of the pull rod 215. The first support frame 5 and the movable printing table 202 are fixedly connected by a three-section push telescopic rod 201. The pull rod 215 is slidably connected inside the pull slide plate 205. The movable toothed plate 203 is meshed with the wide gear 208. The push rod 212 is meshed with the wide gear 208. The compression spring 210 is set between the vertical fixed plate 206 and the push plate 211. The push plate 211 and the pusher plate 213 are connected by the sliding push rod 209. A movable toothed plate 203 is fixedly connected to one side of the pull slide plate 205.

[0023] Furthermore, the feeding mechanism 2 uses a three-stage pusher rod 201 to move the movable printing table 202, thus conveying the printing body 6. After printing, the three-stage pusher rod 201 moves the movable printing table 202. Simultaneously, the moving platen 205 slides forward on the limiting plate 204. As the movable printing table 202 continues to move, it drives the fixed frame 207 and the wide gear 208 forward. At the same time, the immobile moving platen 205 pulls the movable gear plate 203 backward. The wide gear 208, the movable gear plate 203, and the pusher rod... The 212 meshing transmission drives the sliding push rod 209 to push the pusher plate 213 forward, automatically pushing out the finished product. The compression spring 210 cooperates with the first spring 216 to achieve reset, pulling the slide plate 205 to slide along the limit fixing plate 204 to ensure smooth operation and complete the automatic pushing and unloading. The pushing mechanism 2 can realize the automatic pushing and unloading of the finished product after printing, without the need for manual removal, improving the automation level of the device and the efficiency of continuous printing. The cooperation of the transmission and reset structure makes the action smooth and precise, avoids damage to the finished product, ensures the molding quality and dimensional accuracy, and meets the needs of long-term automated printing operations.

[0024] Waste collection mechanism 3 includes a waste inlet 301 inside the mobile printing table 202. A first side support frame 7 and a second side support frame 8 are fixedly connected to the upper surface of the first support frame 5. A rotating shaft 302 and a cleaning roller shaft 304 are rotatably connected inside the second side support frame 8. A flip plate 303 is fixedly connected to the outer surface of the rotating shaft 302. A half gear 305 is rotatably connected to the outer surface of the rotating shaft 302. A fixed push plate 306 is fixedly connected to the outer surface of the rotating shaft 302. A rotating ring is fixedly connected inside the fixed push plate 306. 307, an arc-shaped spring 308 is sleeved on the outer surface of the rotating ring 307, a cleaning gear 309 is fixedly connected to the outer surface of the cleaning roller shaft 304, a connecting toothed rod 310 is fixedly connected to the side surface of the movable printing table 202, a waste collection box 311 is provided on the upper surface of the support base 1, the cleaning roller shaft 304 is located below the flip plate 303, a limit block is provided on the side surface of the second side support frame 8 below the flip plate 303 to make the flip plate 303 horizontally placed, and a guide feeding groove 312 is fixedly connected to the front end of the first support frame 5. A first push-telescopic rod 313 is fixedly connected to the upper surface of the first side support frame 7. A second spring 314 is sleeved on the outer surface of the first push-telescopic rod 313. A movable frame 315 is fixedly connected to one end of the first push-telescopic rod 313. A cleaning scraper 316 is rotatably connected inside the movable frame 315. A cleaning telescopic rod 317 is rotatably connected to one side of the movable frame 315. A connecting slider 319 is fixedly connected to one end of the cleaning telescopic rod 317. A cleaning spring 318 is sleeved on the outer surface of the cleaning telescopic rod 317. A rotating ring 307 slides... The half gear 305 is dynamically connected inside the half gear 305. The arc spring 308 is set between the fixed push plate 306 and the half gear 305. The half gear 305 meshes with the connecting rack 310. The cleaning gear 309 meshes with the connecting rack 310. The outer surface of the cleaning roller shaft 304 is provided with a cleaning brush. The connecting slider 319 is slidably connected inside the cleaning scraper 316. The first side support frame 7 and the moving frame 315 are connected by the first push telescopic rod 313. The cleaning scraper 316 is slidably connected to the upper surface of the moving printing table 202.

[0025] Furthermore, the waste collection mechanism 3 is driven by the meshing of the connecting rack 310 with the half gear 305 and the cleaning gear 309. When the connecting rack 310 is moved by the movable printing table 202, and continues to move while meshing with the cleaning gear 309, it will push the cleaning gear 309 and the cleaning roller shaft 304 to rotate clockwise for cleaning, thereby cleaning the residue on the platform surface. When the connecting rack 310 continues to move, it will push the half gear 305 to rotate clockwise. Because one side of the half gear 305 has no teeth, it will not drive the flip plate 303 to rotate under the action of the arc spring 308. When the connecting rack 310 retracts, it will drive the half gear 305 to rotate counterclockwise. Under the action of the teeth, it will drive the half gear 305 to rotate clockwise. When the half gear 305 rotates to the point where the arc spring 308 is compressed to its maximum, the half gear 305 will rotate clockwise. Under the elastic force, the rotating shaft 302 is pushed to rotate, thereby causing the flip plate 303 to flip. When the connecting rack 310 disengages from under the half gear 305, the flip plate 303 returns to its original position under the action of gravity. The cleaning scraper 316, which is attached to the platform, pushes the surface impurities towards the center when the moving printing table 202 moves, until they fall from the waste outlet 301 into the waste collection box 311, thus cleaning up the residual waste. The arc spring 308, the cleaning telescopic rod 317, and the second spring 314 provide the restoring force, and the waste finally falls into the waste collection box 311 for centralized storage. The waste collection mechanism 3 can automatically clean and collect the platform residue and waste, avoiding the accumulation of waste that affects the operation of the equipment and the printing accuracy. The multiple cleaning methods work together to ensure thorough cleaning, guarantee the purity of the recycled materials, improve the utilization rate of biodegradable waste, and achieve green environmental protection and resource recycling.

[0026] The printing mechanism 4 includes a first motor 401 fixedly connected to the side surface of the first support frame 5. A threaded rod 402 is fixedly connected to the output shaft of the first motor 401. A first sliding frame 403 is threadedly connected to the outer surface of the threaded rod 402. A connecting rod 404 is fixedly connected to one side of the first sliding frame 403. A second sliding frame 407 is fixedly connected to one end of the connecting rod 404. A movable printing device 405 is slidably connected to the outer surface of the connecting rod 404. A print head 406 is fixedly connected to the bottom end of the movable printing device 405. A movable motor 408 is fixedly connected to one side of the second sliding frame 407. A transmission wheel 409 is fixedly connected to the output shaft of the movable motor 408. A transmission belt 410 is drivenly connected to the outer surface of the transmission wheel 409. The transmission belt 410 is connected to the movable printing device 405. The first sliding frame 403 and the second sliding frame 407 are slidably connected inside the first support frame 5 and are connected by the connecting rod 404.

[0027] Furthermore, the printing mechanism 4 is driven by the first motor 401 to rotate the threaded rod 402, which in turn drives the first sliding frame 403 and the second sliding frame 407 to achieve vertical lifting and lowering. The moving motor 408, through the transmission wheel 409 and the transmission belt 410, drives the moving printing device 405 to move laterally, so that the print head 406 reaches the designated position and completes the printing of biodegradable materials. The connecting rod 404 ensures synchronous movement, improves the stability and positioning accuracy of the printing process. The printing mechanism 4 adopts a synchronous drive structure, and the vertical and horizontal movements are smooth and stable, improving the positioning accuracy and movement stability of the print head 406. The transmission control is precise, ensuring the molding quality of biodegradable materials. The overall operation is reliable and the response is rapid, making it suitable for high-precision continuous 3D printing operations.

[0028] Working principle: When the device starts working, the printing mechanism 4 runs and adjusts its position, performing biodegradable material 3D printing on the printing body 6 on the feeding mechanism 2. After printing, the three-section push telescopic rod 201 pushes the movable printing table 202 to move. Simultaneously, the moving platen 205 slides forward on the limiting plate 204. As the movable printing table 202 continues to move, it drives the fixed frame 207 and the wide gear 208 forward. At the same time, the immobile pulling platen 205 pulls the movable gear plate 203 backward. The wide gear 208 meshes with the movable gear plate 203 and the push rod 212, driving the sliding push rod 209 to push the feeding plate 213 forward. The finished product is automatically pushed and unloaded, completing the part-picking process. Simultaneously, when the connecting gear 310 is moved by the movable printing table 202, and continues to move while meshing with the cleaning gear 309, it pushes the cleaning gear 309 and cleaning roller 304 to rotate clockwise for cleaning, thus removing residue from the platform surface. As the connecting gear 310 continues to move, it pushes the half gear 305 to rotate clockwise. Because one side of the half gear 305 has no teeth, it will not rotate the flip plate 303 under the action of the arc spring 308. When the 10 is retracted, it will drive the half gear 305 to rotate counterclockwise. Under the action of the teeth, it will drive the half gear 305 to rotate clockwise. When the half gear 305 rotates to the point where the arc spring 308 is compressed to its maximum elastic force, it will push the rotating shaft 302 to rotate, thereby driving the flip plate 303 to flip. When the connecting rack 310 is disengaged from under the half gear 305, the flip plate 303 will return to its original position under the action of gravity. The cleaning scraper 316, when the platform is in contact with the moving printing table 202, pushes the surface impurities towards the center until they fall into the waste collection box 311 from the waste outlet 301. The residual waste is cleaned up. The waste collection mechanism 3 and the pushing mechanism 2 work together. While the pushing mechanism 2 is feeding the material, the waste collection mechanism 3 flips, guides, rolls, and scrapes the waste remaining on the surface of the mobile printing table 202. All the residual material and debris are collected and transported to the collection area for temporary storage. After cleaning, the pushing mechanism 2 and the waste collection mechanism 3 are reset in sequence, the printing mechanism 4 returns to the initial printing position, and the device enters the next printing cycle. The entire process of printing, feeding, cleaning and collection is completed automatically and continuously.

[0029] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely principles of the invention. Various changes and modifications can be made to the invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed invention. The scope of protection claimed by the appended claims and their equivalents is defined.

Claims

1. A biodegradable material 3D printing molding device, comprising a support base (1) and a printing body (6), characterized in that: The upper surface of the support base (1) is fixedly connected to a first support frame (5). The first support frame (5) is provided with a feeding mechanism (2) for conveying and pushing the printing body (6). The first support frame (5) is provided with a waste collection mechanism (3) for collecting and cleaning printing waste at the front end of the feeding mechanism (2). The upper surface of the first support frame (5) is provided with a printing mechanism (4) for performing printing operations.

2. The biodegradable material 3D printing molding device according to claim 1, characterized in that: The pushing mechanism (2) includes three push telescopic rods (201) fixedly connected inside the first support frame (5). One end of the three push telescopic rods (201) is fixedly connected to a movable printing table (202). A limiting plate (204) is fixedly connected inside the first support frame (5). A pull plate (205) is slidably connected to the outer surface of the limiting plate (204). A vertical fixing plate (206) is fixedly connected to the upper surface of the movable printing table (202). A fixing frame (207) is fixedly connected to the side surface of the vertical fixing plate (206). A wide gear (208) is rotatably connected to the side surface of the fixing frame (207). A push toothed rod (212) is slidably connected inside the vertical fixing plate (206). A movable toothed plate (203) is fixedly connected to one side of the pull plate (205).

3. The biodegradable material 3D printing molding device according to claim 2, characterized in that: The vertical fixed plate (206) is internally slidably connected to a sliding push rod (209). A push plate (211) is fixedly connected to one side of the sliding push rod (209), and a pusher plate (213) is fixedly connected to the other side of the sliding push rod (209). A compression spring (210) is sleeved on the outer surface of the sliding push rod (209). A pull rod (215) is fixedly connected to the upper surface of the movable printing table (202), and a first spring (216) is sleeved on the outer surface of the pull rod (215).

4. The biodegradable material 3D printing molding device according to claim 3, characterized in that: The first support frame (5) and the movable printing table (202) are fixedly connected by three push telescopic rods (201). The pull rod (215) is slidably connected inside the pull slide plate (205). The movable toothed plate (203) is meshed with the wide gear (208). The push toothed rod (212) is meshed with the wide gear (208). The compression spring (210) is set between the vertical fixed plate (206) and the push plate (211). The push plate (211) and the pusher plate (213) are connected by a sliding push rod (209).

5. The biodegradable material 3D printing molding device according to claim 2, characterized in that: The waste collection mechanism (3) includes a waste inlet (301) inside the mobile printing table (202). The upper surface of the first support frame (5) is fixedly connected to a first side support frame (7) and a second side support frame (8). The interior of the second side support frame (8) is rotatably connected to a rotating shaft (302) and a cleaning roller shaft (304). The outer surface of the rotating shaft (302) is fixedly connected to a flip plate (303). The outer surface of the rotating shaft (302) is rotatably connected to a half gear (305). The outer surface of the rotating shaft (302) is fixedly connected to a fixed push plate (306). The interior of the fixed push plate (306) is fixedly connected to a rotating ring (307). The outer surface of the rotating ring (307) is sleeved with an arc spring (308).

6. The biodegradable material 3D printing molding device according to claim 5, characterized in that: The outer surface of the cleaning roller shaft (304) is fixedly connected to a cleaning gear (309), the side surface of the movable printing table (202) is fixedly connected to a connecting toothed rod (310), the upper surface of the support base (1) is provided with a waste collection box (311), the cleaning roller shaft (304) is located below the flip plate (303), the side surface of the second side support frame (8) is provided with a limit block below the flip plate (303) to make the flip plate (303) horizontally placed, and the front end of the first support frame (5) is fixedly connected to a guide feeding groove (312).

7. The biodegradable material 3D printing molding device according to claim 6, characterized in that: A first push telescopic rod (313) is fixedly connected to the upper surface of the first side support frame (7). A second spring (314) is sleeved on the outer surface of the first push telescopic rod (313). A movable frame (315) is fixedly connected to one end of the first push telescopic rod (313). A cleaning scraper (316) is rotatably connected inside the movable frame (315). A cleaning telescopic rod (317) is rotatably connected to one side of the movable frame (315). A connecting slider (319) is fixedly connected to one end of the cleaning telescopic rod (317). A cleaning spring (318) is sleeved on the outer surface of the cleaning telescopic rod (317).

8. The biodegradable material 3D printing molding device according to claim 7, characterized in that: The rotating ring (307) is slidably connected inside the half gear (305). The arc spring (308) is set between the fixed push plate (306) and the half gear (305). The half gear (305) meshes with the connecting rack (310). The cleaning gear (309) meshes with the connecting rack (310). The outer surface of the cleaning roller shaft (304) is provided with a cleaning brush. The connecting slider (319) is slidably connected inside the cleaning scraper (316). The first side support frame (7) and the moving frame (315) are connected by the first push telescopic rod (313). The cleaning scraper (316) is slidably connected to the upper surface of the moving printing table (202).

9. The biodegradable material 3D printing molding device according to claim 8, characterized in that: The printing mechanism (4) includes a first motor (401) fixedly connected to the side surface of the first support frame (5). A threaded rod (402) is fixedly connected to the output shaft of the first motor (401). A first sliding frame (403) is threadedly connected to the outer surface of the threaded rod (402). A connecting rod (404) is fixedly connected to one side of the first sliding frame (403). A second sliding frame (407) is fixedly connected to one end of the connecting rod (404). A movable printing device (405) is slidably connected to the outer surface of the connecting rod (404). A print head (406) is fixedly connected to the bottom end of the movable printing device (405). A movable motor (408) is fixedly connected to one side of the second sliding frame (407). A transmission wheel (409) is fixedly connected to the output shaft of the movable motor (408). A transmission belt (410) is drivenly connected to the outer surface of the transmission wheel (409).

10. The biodegradable material 3D printing molding device according to claim 9, characterized in that: The transmission belt (410) is connected to the mobile printing device (405), the first sliding frame (403) and the second sliding frame (407) are slidably connected inside the first support frame (5), and the first sliding frame (403) and the second sliding frame (407) are connected by a connecting rod (404).

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