Device for removing consumable materials attached to leveling roller of 3D printer

By designing a cleaning device that combines a scraper with a guide channel, the problem of low efficiency in removing waste wax from the surface of the leveling roller was solved, achieving automated waste wax collection and preventing solidification, thus improving the printing quality and efficiency of the 3D printer.

CN224075029UActive Publication Date: 2026-04-03SHENZHEN PLEMPIRE 3D TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-08
Publication Date
2026-04-03

AI Technical Summary

Technical Problem

Existing 3D printers have difficulty efficiently removing waste wax and other consumables adhering to the surface of the leveling roller, resulting in decreased print quality. Furthermore, the removal process is cumbersome, poses a high risk of environmental pollution, and incurs high maintenance costs.

Method used

A cleaning device including a scraper, a fixed seat, and a receiving bin is designed. The scraper is in close contact with the surface of the leveling roller and is automatically guided to the receiving bin through a guide channel. A heating pipe is installed on the outside of the receiving bin to prevent the waste wax from solidifying.

Benefits of technology

It achieves efficient and automated waste wax removal, reduces manual intervention, improves printing quality and work efficiency, and reduces maintenance costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a clearing device for 3D printer leveling roller attached consumables, which comprises a leveling roller, a scraper, a fixed seat, a flow guide channel and a receiving bin, the scraper is clamped and fixed through the fixed seat, the edge of the scraper is abutted against the surface of the leveling roller, and the scraper is used for clearing waste wax on the surface of the leveling roller; the fixed seat comprises a base and an upper seat, the base is provided with a V-shaped groove, the upper seat is matched with the V-shaped groove to clamp the scraper, and a flow guide channel is formed by the upper tooth groove, the drainage hole, the flow guide hole and the lower tooth groove to guide waste wax to the receiving bin; a heating pipe is arranged on the outer side wall of the receiving bin to prevent the waste wax from being solidified; the scraper is inclined from the edge to the bottom, so that waste wax can conveniently flow into the diversion channel by means of gravity. Through reasonable layout of scraper fixing, the flow guide channel and the heating function, the waste wax removing efficiency on the leveling roller is improved, the maintenance cost is reduced, and the 3D printer leveling roller consumable removing device is suitable for consumable removing requirements of various 3D printer leveling rollers.
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Description

Technical Field

[0001] This utility model relates to the field of 3D printer equipment technology, and in particular to a device for removing consumables adhering to the leveling roller of a 3D printer. Background Technology

[0002] As a rapid prototyping technology, 3D printing has been widely used in industrial manufacturing, medical, and educational fields in recent years. Among them, wax-based 3D printing technology has significant application value in jewelry design and precision parts manufacturing due to its high precision, high surface quality, and suitability for processes such as investment casting.

[0003] In 3D printing technology, the leveling roller (or pressure roller) is a crucial component that ensures a smooth printing platform surface and uniform distribution of printing material. During the printing process, excess printing consumables (such as waste wax, plastic residue, etc.) easily adhere to the surface of the leveling roller. These deposits affect the roller's performance and thus reduce print quality. Traditional cleaning methods typically rely on manual cleaning or simple scraper devices, which have the following problems:

[0004] 1. Inefficient: Manual cleaning requires frequent machine shutdowns, affecting printing efficiency and is cumbersome to operate.

[0005] 2. Inconvenient disposal of waste wax: There is a lack of effective collection and treatment facilities for the removed waste wax, which can easily cause environmental pollution or equipment pollution.

[0006] 3. The structure is complex, and the installation and maintenance costs are high.

[0007] To solve the above problems, there is an urgent need for an efficient, automated and easy-to-maintain cleaning device to automatically collect and process waste wax, thereby improving the printing efficiency and quality of 3D printers. Utility Model Content

[0008] To address the existing problems, this utility model proposes a device for removing filaments adhering to the leveling roller of a 3D printer. By optimizing the scraper fixing, flow guiding channel, and heating function, the removal efficiency is improved.

[0009] This invention proposes a device for removing filament adhering to a leveling roller in a 3D printer, comprising a leveling roller, a scraper, a fixed base, and a collection bin. The bottom of the scraper is fixedly mounted on the fixed base, and the blade of the scraper abuts against the surface of the leveling roller to remove waste wax from the surface of the leveling roller. A guide channel is provided on the fixed base to guide the waste wax to the collection bin. The collection bin is located below the fixed base and is used to collect the waste wax. When the leveling roller rotates, the waste wax on its surface is removed by the scraper and enters the collection bin along the guide channel.

[0010] Preferably, the fixing seat includes a base and an upper seat. The base is provided with a V-shaped groove along its length. The upper seat cooperates with the V-shaped groove. The bottom of the scraper is located between one side wall of the V-shaped groove of the base and the upper seat, and the scraper is clamped and fixed by fasteners.

[0011] Preferably, the portion of the scraper located within the V-groove comprises 1 / 3 to 2 / 5 of the total length of the scraper.

[0012] Preferably, the upper seat has multiple upper toothed grooves on the side facing the scraper, and the bottom wall of the upper toothed grooves has a drainage hole. The drainage hole is connected to the guide hole on the base and is used to guide the removed waste wax to the receiving bin.

[0013] Preferably, the V-shaped groove of the base is connected to the scraper on one side wall with multiple lower toothed grooves, which are used to guide the removed waste wax to the receiving bin.

[0014] Preferably, the upper toothed groove and the drainage hole of the upper seat, together with the guide hole and the lower toothed groove on the base, constitute the guide channel of the fixed seat, which is used to guide the removed waste wax to the receiving bin.

[0015] Preferably, the blade of the scraper is located above the leveling roller, and the scraper is inclined from the blade to the bottom, so that the waste wax can flow to the guide channel on the fixed seat by gravity.

[0016] Preferably, a heating pipe is provided on the outer wall of the receiving hopper, and the heating area of ​​the heating pipe corresponds to the waste wax collection area of ​​the receiving hopper, so as to prevent the waste wax from solidifying in the receiving hopper.

[0017] The technical advantages of the cleaning device for removing filament adhering to the leveling roller of a 3D printer provided by this utility model are as follows:

[0018] 1. Efficient removal of adhering materials: By optimizing the design and fixing method of the scraper, it is ensured that the scraper is in close contact with the surface of the leveling roller, which can thoroughly remove waste wax and other adhering consumables from the surface of the leveling roller and avoid residue.

[0019] 2. Automated flow guidance and collection: The flow guidance channels on the fixed base (including upper toothed groove, flow guide hole, flow guide hole and lower toothed groove) can automatically guide the removed waste wax to the collection bin, reducing manual intervention and improving work efficiency.

[0020] 3. Preventing waste wax from solidifying: The outer wall of the receiving hopper is equipped with a heating pipe, which can prevent waste wax from solidifying in a low-temperature environment and ensure the smooth collection and processing of waste wax.

[0021] 4. Improve print quality: Thoroughly remove any adhering substances from the surface of the leveling roller to ensure a flat printing platform and uniform distribution of printing material, thereby improving the print quality of the 3D printer.

[0022] In summary, the cleaning device provided by this utility model has the technical advantages of high efficiency, automation, and low maintenance cost, which can significantly improve the working efficiency and quality of 3D printers. Attached Figure Description

[0023] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0024] Figure 1 This is a schematic diagram of the structure of the cleaning device according to an embodiment of the present invention;

[0025] Figure 2 This is a schematic diagram of the cleaning device from another perspective according to an embodiment of the present invention;

[0026] Figure 3 This is a partial structural schematic diagram of the cleaning device according to an embodiment of the present invention;

[0027] Figure 4 yes Figure 3 A structural diagram from another perspective;

[0028] Figure 5 This is an exploded view of the scraper and fixing seat of the cleaning device according to an embodiment of the present invention;

[0029] Figure 6 This is a schematic diagram of the structure of the base of the cleaning device according to an embodiment of the present invention;

[0030] Figure 7 yes Figure 6 Enlarged diagram of section A in the middle;

[0031] Figure 8 This is a schematic diagram of the receiving bin of the cleaning device according to an embodiment of the present invention.

[0032] Figure reference numerals: 1. Leveling roller; 2. Scraper; 3. Fixing seat; 31. Base; 311. V-groove; 312. Guide hole; 313. Lower toothed groove; 32. Upper seat; 321. Upper toothed groove; 322. Drain hole; 4. Receiving bin; 41. Discharge port; 5. Heating tube Detailed Implementation

[0033] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0034] Please see Figure 1 and Figure 2 The cleaning device for removing filaments adhering to the leveling roller of a 3D printer in this embodiment includes a leveling roller 1, a scraper 2, a fixing base 3, and a receiving bin 4. The bottom of the scraper 2 is fixedly installed on the fixing base 3, and the blade of the scraper 2 abuts against the surface of the leveling roller 1 to remove waste wax from the surface of the leveling roller.

[0035] A flow channel is provided on the fixed base 3 to guide the waste wax to the collection bin 4. The collection bin 4 is located below the fixed base 3 and is used to collect waste wax.

[0036] When the leveling roller 1 rotates, the waste wax on its surface is removed by the scraper 2 and enters the receiving bin 4 along the guide channel.

[0037] like Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7 As shown, the fixing base 3 includes a base 31 and an upper base 32. A V-groove 311 is provided along the length of the base 31, and the upper base 32 mates with the V-groove 311. The bottom of the scraper 2 is located between one side wall of the V-groove 311 of the base 31 and the upper base 32, and is clamped and fixed by fasteners. The length of the scraper 2 located within the V-groove 311 is (…). Figure 4 The ab segment in the middle accounts for 2% of the total length of the scraper ( Figure 4 The bc section is 1 / 3 to 2 / 5 of the length to ensure the fixation strength and stability of the scraper 2.

[0038] Flow channel design: Multiple upper toothed grooves 321 are provided on the side of the upper base 32 facing the scraper 2. The bottom wall of each upper toothed groove 321 has a flow-guiding hole 322, which communicates with the flow-guiding hole 312 on the base 31, guiding the removed waste wax to the collection bin 4. Multiple lower toothed grooves 313 are provided on the side wall of the base 31 where the V-shaped groove 311 connects to the scraper 2, guiding the removed waste wax to the collection bin 4.

[0039] The upper toothed groove 321 and the drainage hole 322 of the upper seat 32, together with the guide hole 312 and the lower toothed groove 313 on the base 31, constitute the guide channel of the fixed seat 3, ensuring that the waste wax can flow smoothly to the receiving bin 4.

[0040] Scraper design: The blade of scraper 2 is located on the upper part of leveling roller 1, and scraper 2 is inclined from the blade to the bottom, so that waste wax can flow to the guide channel on the fixed seat 3 by gravity.

[0041] like Figure 1 , Figure 2 and Figure 8 As shown, a heating pipe 5 is installed on the outer wall of the receiving hopper 4. The heating area of ​​the heating pipe 5 corresponds to the waste wax collection area of ​​the receiving hopper 4, which is used to prevent the waste wax from solidifying in the receiving hopper. The temperature of the heating pipe 5 is adjustable to meet the collection requirements of waste wax with different melting points. A discharge port 41 is provided at the bottom of one end of the receiving hopper 4, which is used to connect a material pipe to discharge the waste wax in the receiving hopper 4 into the recycling device.

[0042] The cleaning device provided by this utility model has the following technical effects:

[0043] 1. Efficient removal of adhering substances: Through optimized scraper design and fixing method, it is ensured that the scraper is in close contact with the surface of the leveling roller, which can thoroughly remove waste wax and other adhering consumables from the surface of the leveling roller.

[0044] 2. Automated flow guidance and collection: The flow channel on the fixed base can automatically guide the removed waste wax to the collection bin, reducing manual intervention and improving work efficiency.

[0045] 3. Heating pipes are installed on the outer wall of the receiving hopper to prevent waste wax from solidifying in a low-temperature environment, ensuring smooth collection and processing of waste wax.

[0046] The present invention provides a device for removing filaments adhering to the leveling roller of a 3D printer. It has the advantages of simple structure, high efficiency, automation, strong adaptability and low maintenance cost, and can significantly improve the working efficiency and quality of 3D printers.

[0047] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A cleaning device for 3D printer levelling roller attached consumables, characterized in that, The utility model provides a kind of waste wax removal device for wax processing machine, including flattening roller (1), scraper (2), fixed seat (3) and material collecting bin (4), the bottom of scraper (2) is fixedly installed on fixed seat (3), the cutting edge of scraper (2) is abutted with the surface of flattening roller (1), for removing the waste wax on the surface of flattening roller (1);The fixed seat (3) is provided with flow guide channel, and the flow guide channel is used to guide waste wax to flow to material collecting bin (4);Material collecting bin (4) is located below fixed seat (3), for collecting waste wax;When flattening roller (1) rotates, waste wax on its surface is removed by scraper (2) and enters material collecting bin (4) along flow guide channel.

2. The clearing device of claim 1, wherein, The fixed seat (3) includes base (31) and upper seat (32), the base (31) is provided with V-shaped groove (311) along the length direction, the upper seat (32) is matched with V-shaped groove (311), the bottom of scraper (2) is located between the side wall of V-shaped groove (311) of base (31) and upper seat (32), and scraper (2) is clamped and fixed by fastener.

3. The clearing device of claim 2, wherein, The part of scraper (2) in V-shaped groove (311) accounts for 1 / 3 to 2 / 5 of the total length of scraper (2).

4. The clearing device of claim 3, wherein, The side of upper seat (32) facing scraper (2) is provided with a plurality of upper tooth grooves (321), the bottom wall of upper tooth groove (321) is provided with drainage hole (322), the drainage hole (322) is communicated with flow guide hole (312) provided on base (31), for guiding the removed waste wax to material collecting bin (4).

5. The clearing device of claim 4, wherein, The side wall of V-shaped groove (311) of base (31) is provided with a plurality of lower tooth grooves (313) connected with scraper (2), for guiding the removed waste wax to material collecting bin (4).

6. The clearing device of claim 5, wherein, The upper tooth groove (321) and drainage hole (322) of upper seat (32), and flow guide hole (312) and lower tooth groove (313) on base (31) jointly constitute the flow guide channel of fixed seat (3), for guiding the removed waste wax to material collecting bin (4).

7. The clearing device of claim 6, wherein, The cutting edge of scraper (2) is located in the upper part of flattening roller (1), and scraper (2) is inclined from cutting edge to bottom, so as to facilitate waste wax to flow to flow guide channel on fixed seat (3) by gravity.

8. The clearing device of claim 1, wherein, The outer side wall of material collecting bin (4) is provided with heating pipe (5), the heating area of heating pipe (5) corresponds to the waste wax collecting area of material collecting bin (4), for preventing waste wax from solidifying in material collecting bin (4).