3D printing scraper cleaning device

By introducing a combination structure of guide rod, spring and pressure adjusting screw into the 3D printing scraper cleaning device, the adjustable distance and contact pressure between the scraper and the work platform are achieved, solving the problems of scraper wear and stubborn residue removal, and ensuring the cleanliness of the printing platform and printing quality.

CN223904559UActive Publication Date: 2026-02-13NANJING DEJILI TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202521044111.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-26
Publication Date
2026-02-13
Estimated Expiration
2035-05-26

AI Technical Summary

Technical Problem

The distance between the existing 3D printing scraper and the work platform is fixed, which makes it easy to wear out after long-term use, and it cannot effectively remove stubborn residues, thus affecting the printing quality.

Method used

Design a scraper cleaning device that uses a combination of guide rod, spring and pressure adjusting screw to achieve adjustable distance and contact pressure between the scraper and the working platform, ensuring close contact between the scraper and the platform, and adapting to the removal of different stubborn residues.

Benefits of technology

It effectively removes debris and stubborn residue from the printing platform, preventing wear and tear, ensuring the cleanliness of the printing platform, and improving subsequent printing quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of 3D printing, and particularly relates to a 3D printing scraper cleaning device which comprises a 3D printer body and a printing platform, and a scraper mechanism is arranged on the printing platform; the scraper mechanism comprises a shell frame movably arranged on the printing platform, the lower end of the shell frame is connected with a scraper, the top end of the shell frame is fixedly provided with an upper end cover, the inner side of the upper end cover is slidably connected with a guide rod, the lower end of the guide rod is connected to the scraper, the guide rod is sleeved with a spring, and the lower end of the spring abuts against the scraper. The upper end of the spring abuts against a pressure adjusting plate, the pressure adjusting plate is located in the outer shell frame, a pressure adjusting screw rod is connected into the upper end cover through threads, and the lower end of the pressure adjusting screw rod abuts against the pressure adjusting plate. And the scraping plate can make contact with the printing platform all the time, and it is guaranteed that residual scraps on the printing platform are scraped away thoroughly.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the 3D printing technical field, specifically relates to a 3D printing scraper cleaning device. BACKGROUND

[0002] 3D printer, also known to be three-dimensional printer, is a kind of process equipment of rapid prototyping. It mainly designs a complete three-dimensional model on the computer before printing, and then constructs object by layer printing. Specifically, 3D printing is a kind of additive manufacturing technology, which is based on 3D model file, and uses powder-like metal or plastic and other adhesive materials, and constructs object by layer printing. This technology is widely used in mold manufacturing, industrial design and other fields, and gradually used in the direct manufacturing of some products, so that the processing of product is more fast, and the printing platform of printer can be left with some debris, waste slag and the like after printing, so that the printing platform needs to be cleaned in time to not affect the quality of the next printing product.

[0003] As a kind of 3D printing scraper cleaning structure provided in Chinese patent announcement No. CN222522051U, it includes: 3D printer body and processing platform, processing platform is fixedly connected in 3D printer body, fixedly connected with fixed support on processing platform, two first sliding grooves are symmetrically arranged in fixed support, two first sliding blocks are slidably connected in two first sliding grooves, two first threaded rods are threadedly connected in two first sliding blocks, and two first threaded rods are rotatably connected with two first sliding grooves respectively;Rotating assembly, rotating assembly is located between processing platform and fixed support, and is used to drive two first threaded rods to rotate;The device can remove the debris left on the surface of processing platform by pushing the scraper on the processing platform, to achieve the purpose of cleaning the processing platform.

[0004] As recorded in the above patent, although the debris on the workbench can be scraped by pushing the scraper, the installation mode of the existing scraper makes the distance between the scraper and the surface of the workbench fixed, which can cause the scraper to wear out after a long time of use, resulting in a gap between the scraper and the workbench, and thus the problem of not being able to clean completely. Utility model content

[0005] The utility model aims at providing a kind of 3D printing scraper cleaning device, the distance between the scraper and workbench can be adjusted, the scraper can be contacted with workbench all the time, and the contact pressure between the scraper and workbench can be adjusted, so that the stubborn debris can be scraped.

[0006] The technical scheme adopted by the utility model is as follows:

[0007] A 3D printing scraper cleaning device includes a 3D printer body and a printing platform. A scraper mechanism is provided on the printing platform. The scraper mechanism includes a housing frame movably mounted on the printing platform. A scraper is connected to the lower end of the housing frame. An upper cover is fixedly installed on the top of the housing frame. A guide rod is slidably connected to the inner side of the upper cover. The lower end of the guide rod is connected to the scraper. A spring is sleeved on the guide rod. The lower end of the spring abuts against the scraper, and the upper end of the spring abuts against a pressure adjusting plate. The pressure adjusting plate is located inside the housing frame. A pressure adjusting screw is threadedly connected inside the upper cover. The lower end of the pressure adjusting screw abuts against the pressure adjusting plate.

[0008] In a preferred embodiment, slide rods are respectively provided on both sides of the upper end of the printing platform, and sliding sleeves are slidably connected to the slide rods, with the sliding sleeves fixedly installed on the outer casing frame.

[0009] In a preferred embodiment, the upper end of the scraper is connected to a sliding plate, the sliding plate is slidably connected to the outer casing frame, and a baffle is provided at the top of the sliding plate.

[0010] In a preferred embodiment, a pusher block is provided at the upper end of the upper cover.

[0011] In a preferred embodiment, a stabilizing rod is mounted on the upper end of the pressure regulating plate, and the stabilizing rod is slidably connected inside the upper end cover.

[0012] In a preferred embodiment, a lifting rod is slidably connected inside the upper cover, and the lower end of the lifting rod is fixedly connected to the baffle.

[0013] The technical effects achieved by this utility model are as follows:

[0014] This utility model removes residual debris and residue from the printing platform by moving a scraper mechanism along the platform. Importantly, the scraper and housing frame can be adjusted vertically. The spring force ensures the scraper remains in contact with the printing platform, guaranteeing thorough removal of any remaining debris. Furthermore, by turning the pressure adjusting screw, the pressure adjusting plate is lowered, compressing the spring and increasing the pressure on the scraper. This enhances the scraping efficiency and improves the cleaning ability of the scraper. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of this practical tool;

[0016] Figure 2 This is a schematic diagram of the structure of the practical printing platform and scraper mechanism;

[0017] Figure 3 Figure 3 is a half sectional enlarged structural schematic diagram of the scraper mechanism and the printing platform of the utility model;

[0018] Figure 4 Figure 4 is a half sectional enlarged structural schematic diagram of the scraper mechanism of the utility model.

[0019] In the drawings, the components represented by each reference numeral are listed as follows:

[0020] 1, 3D printer body; 2, printing platform; 3, scraper mechanism; 21, sliding rod; 22, sliding sleeve; 31, shell frame; 32, scraper; 33, upper end cover; 34, guide rod; 35, spring; 36, pressure adjusting plate; 37, pressure adjusting screw; 38, pull rod; 321, sliding plate; 322, baffle; 331, push block; 361, stabilizing rod. DETAILED DESCRIPTION

[0021] In order to make the above-mentioned purposes, features and advantages of the utility more obvious and easy to understand, the specific embodiments of the utility are described in detail below in conjunction with the drawings of the specification.

[0022] In the following description, a lot of specific details are set forth in order to facilitate a thorough understanding of the utility, but the utility can also be implemented in other ways different from those described herein, and those skilled in the art can make similar generalizations without departing from the connotation of the utility, therefore the utility is not limited by the specific embodiments disclosed below.

[0023] Secondly, the "one embodiment" or "embodiment" referred to herein means that the specific features, structures or characteristics can be included in at least one implementation of the utility. "In a preferred embodiment" appearing in different places in the specification does not mean the same embodiment, nor is it an independent or alternative embodiment that excludes other embodiments.

[0024] Thirdly, the utility is described in detail in conjunction with the schematic diagram, and in the detailed description of the embodiments of the utility, for the convenience of description, the sectional view of the device structure will be partially enlarged without the general proportion, and the schematic diagram is only an example, which should not limit the scope of protection of the utility here. In addition, the three-dimensional spatial dimensions including length, width and depth should be included in actual manufacturing.

[0025] Please refer to the drawings Figures 1 to 4The utility provides a kind of 3D printing scraper cleaning device, including 3D printer body 1 and printing platform 2, and scraper mechanism 3 is provided on printing platform 2;Wherein, scraper mechanism 3 includes the shell frame 31 movably arranged on printing platform 2, the lower end of shell frame 31 is connected with scraper 32, the top end of shell frame 31 is fixedly installed with upper end cover 33, the inner side of upper end cover 33 is slidably connected with guide rod 34, the lower end of guide rod 34 is connected on scraper 32, spring 35 is sleeved on guide rod 34, the lower end of spring 35 is on scraper 32, the upper end of spring 35 is on pressure plate 36, pressure plate 36 is in shell frame 31, and pressure screw 37 is connected in upper end cover 33 by screw thread, and the lower end of pressure screw 37 is on pressure plate 36;

[0026] In the utility, 3D printer body 1 constructs object by layer printing on printing platform 2, after printing is completed, the printed article is removed from printing platform 2, and there can be residual debris generated during printing on printing platform 2, so as not to affect subsequent printing work, scraper mechanism 3 can be moved back and forth on printing platform 2, and the residual debris on printing platform 2 is scraped by scraper 32 in scraper mechanism 3, to achieve the purpose of cleaning printing platform 2;

[0027] In the application, the residual debris on printing platform 2 is removed by moving scraper mechanism 3 on printing platform 2, and the important thing is that scraper 32 and shell frame 31 can be adjusted up and down, and the spring force of spring 35 can make scraper 32 always contact printing platform 2, to ensure that the residual debris on printing platform 2 is scraped clean, in addition, the pressure plate 36 is pushed down by rotating pressure screw 37, and the spring 35 is extruded by the pressure plate 36, so that the spring force of spring 35 on scraper 32 can be adjusted, and the pressure of scraper 32 on printing platform 2 can be increased, so that the material adhered to printing platform 2 can be scraped, and the cleaning ability of scraper 32 is improved;

[0028] When scraper mechanism 3 is used to clean printing platform 2, shell frame 31 and scraper 32 can be adjusted up and down, the spring force of spring 35 on scraper 32 makes scraper 32 always have a downward trend, so that scraper 32 always contacts printing platform 2, and the residual debris on printing platform 2 can be scraped clean, and the phenomenon that scraper 32 cannot contact printing platform 2 due to long-term use and cause the cleaning of printing platform 2 to be not clean does not occur.

[0029] Please refer to Figure 1 And Figure 2As shown, the upper end of the printing platform 2 is provided with a slide rod 21 on both sides, and a slide sleeve 22 is slidably connected to the slide rod 21, and the slide sleeve 22 is fixedly installed on the shell frame 31.

[0030] In this embodiment, the movement of the scraper mechanism 3 on the printing platform 2 is along the central axis of the slide rod 21, and the scraper mechanism 3 is slidably connected to the slide rod 21 through the slide sleeve 22, so that the scraper mechanism 3 can slide along the central axis of the slide rod 21, thereby cleaning the printing platform 2.

[0031] As shown in Figure 3 and Figure 4 As shown, the upper end of the scraper 32 is connected with a sliding plate 321, the sliding plate 321 is slidably connected to the shell frame 31, and the top end of the sliding plate 321 is provided with a baffle 322;

[0032] In this embodiment, the bottom of the shell frame 31 is provided with a sliding groove for slidably connecting the sliding plate 321, so that the scraper 32 and the shell frame 31 can be slidably connected up and down, and the baffle 322 serves as a limiting function to prevent the sliding plate 321 from falling off the shell frame 31;

[0033] In this application, the lower end of the guide rod 34 is connected to the baffle 322, and the guide rod 34 extends upward and is slidably connected in the upper end cover 33, and the guide rod 34 provides stability for the upward and downward extension of the spring 35, preventing the spring 35 from tilting when placed.

[0034] The upper end of the upper end cover 33 is provided with a push block 331, which can be held to push the scraper mechanism 3 when the scraper mechanism 3 is moved, for controlling the movement of the scraper mechanism 3.

[0035] The upper end of the pressure regulating plate 36 is provided with a stabilizing rod 361, which is slidably connected in the upper end cover 33;

[0036] In this embodiment, the elastic deformation state of the spring 35 is changed by turning the pressure regulating screw 37 to drive the pressure regulating plate 36 to move downward, thereby adjusting the elastic force of the spring 35, so as to change the elastic force of the spring 35 on the scraper 32. In order to ensure the stability of the upward and downward movement of the pressure regulating plate 36, prevent the pressure regulating plate 36 from rotating along the central axis of the guide rod 34, the stabilizing rod 361 is provided on the pressure regulating plate 36, so that the stabilizing rod 361 extends upward and passes through the upper end cover 33, which can ensure the stability of the upward and downward movement of the pressure regulating plate 36.

[0037] The upper end cover 33 is also slidably connected with a lifting rod 38, and the lower end of the lifting rod 38 is fixedly connected to the baffle 322;

[0038] In this embodiment, the residual on the printing platform 2 is scraped by pushing the scraper mechanism 3 back and forth, and when the scraper mechanism 3 is pushed, in order to prevent the residual on the printing platform 2 from being scraped by the scraper 32 to the other side which is inconvenient to clean, the scraper 32 can be lifted by lifting the pull rod 38 when the scraper mechanism 3 moves back, so that the scraper 32 is lifted to be out of contact with the printing platform 2, and when the scraper mechanism 3 moves back again, the scraper 32 is lowered to scrape the residual.

[0039] The working principle of the utility model is as follows: in the utility model, the 3D printer body 1 constructs an object by layer printing on the printing platform 2, after printing is completed, the printed object is removed from the printing platform 2, and there may be residual debris generated during printing on the printing platform 2, in order not to affect the subsequent printing work, the residual debris on the printing platform 2 can be scraped by pushing the scraper mechanism 3 to move back and forth on the printing platform 2, and the scraper 32 in the scraper mechanism 3 is used to scrape the residual debris on the printing platform 2, so that the printing platform 2 is cleaned.

[0040] The above is only the preferred embodiment of the utility model, it should be pointed out that for ordinary skilled person in the art, without departing from the principle of the utility model, a number of improvements and refinements can be made, these improvements and refinements should also be regarded as the protection scope of the utility model. The structures, devices and operation methods not specifically described and explained in the utility model are implemented according to the conventional means in the field, without special description and limitation.

Claims

1. A 3D printing squeegee cleaning device, characterized by: Including 3D printer body (1) and printing platform (2), the printing platform (2) is provided with scraper mechanism (3); Wherein, the scraper mechanism (3) includes a housing frame (31) movably arranged on the printing platform (2), the lower end of the housing frame (31) is connected with the scraper (32), the top end of the housing frame (31) is fixedly installed with the upper end cover (33), the inner side of the upper end cover (33) is slidably connected with the guide rod (34), the lower end of the guide rod (34) is connected on the scraper (32), the guide rod (34) is sleeved with the spring (35), the lower end of the spring (35) is abutted on the scraper (32), the upper end of the spring (35) is abutted on the pressure regulating plate (36), the pressure regulating plate (36) is in the housing frame (31), the upper end cover (33) is threadedly connected with the pressure regulating screw (37), the lower end of the pressure regulating screw (37) is abutted on the pressure regulating plate (36).

2. A 3D printing squeegee cleaning device according to claim 1, characterized in that: The upper end of the printing platform (2) is provided with a slide rod (21) on both sides, the slide rod (21) is slidably connected with a slide sleeve (22), and the slide sleeve (22) is fixedly installed on the housing frame (31).

3. The 3D printing squeegee cleaning device of claim 1, wherein: The upper end of the scraper (32) is connected with a sliding plate (321), the sliding plate (321) is slidably connected on the housing frame (31), and the top end of the sliding plate (321) is provided with a baffle (322).

4. The 3D printing squeegee cleaning device of claim 1, wherein: The upper end of the upper end cover (33) is provided with a push block (331).

5. The 3D printing squeegee cleaning device of claim 1, wherein: The upper end of the pressure regulating plate (36) is provided with a stabilizing rod (361), and the stabilizing rod (361) is slidably connected in the upper end cover (33).

6. A 3D printing squeegee cleaning device according to claim 3, wherein: The upper end cover (33) is also slidably connected with a lifting rod (38), and the lower end of the lifting rod (38) is fixedly connected with the baffle (322).

Citation Information

Patent Citations

  • 3D printing scraper cleaning structure

    CN222522051U