A device for supplying consumables to a 3D printer using an in-body mechanical trigger.
Patent Information
- Application Number
- CN202521988322.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-09-16
- Publication Date
- 2026-08-11
- Estimated Expiration
- 2035-09-16
AI Technical Summary
[0005]鉴于现有技术中存在以下技术问题:现有的3D打印机耗材供给装置可能存在耗材送料不稳定、卡顿或偏差的问题,导致打印质量下降或中断
[0012] 1. This device uses microswitches for material return detection and consumable depletion detection to monitor the material feeding and depletion status in real time, thereby improving the reliability of the printing process.
Smart Images

Figure CN224617018U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of 3D printing technology, specifically a device for supplying consumables to a 3D printer using a mechanical trigger mechanism inside the printer body. Background Technology
[0002] Existing 3D printer filament supply systems may suffer from unstable, jammed, or misaligned filament feeding, leading to decreased print quality or interruptions. Furthermore, traditional systems may lack real-time monitoring of filament feeding status (such as filament ejection or depletion), making timely adjustments or early warnings difficult.
[0003] In view of this, a device for supplying consumables to a 3D printer using a mechanical triggering mechanism inside the printer body is proposed. Utility Model Content
[0004] The purpose of this section is to outline some aspects of embodiments of the present invention and to briefly describe some preferred embodiments. Simplifications or omissions may be made in this section, as well as in the abstract and title of this application, to avoid obscuring the purpose of these documents; however, such simplifications or omissions should not be construed as limiting the scope of the present invention.
[0005] Given the following technical problems in existing technologies: existing 3D printer filament supply devices may suffer from unstable, jammed, or misaligned filament feeding, leading to decreased print quality or interruptions. Furthermore, traditional devices may lack real-time monitoring capabilities for filament feeding status (such as filament ejection or depletion), making timely adjustments or early warnings difficult.
[0006] To solve the above-mentioned technical problems, this utility model provides the following technical solution: a device for supplying consumables to a 3D printer using mechanical triggering inside the printer body, including a printer back plate, a consumable box back plate, a micro switch boss one and a micro switch boss two;
[0007] The consumables tray back panel is mounted on the printer back panel. A consumables hinge is mounted on the side of the consumables tray back panel away from the printer back panel, where consumables are placed. Microswitch boss one and microswitch boss two are both mounted on the front of the consumables tray back panel. Microswitch boss one has a feed groove for guiding the consumables, and microswitch boss two has a consumables guide groove for guiding the consumables. A consumable ejection detection microswitch is mounted on microswitch boss one, and the triggering of the consumable ejection detection microswitch... The trigger point is located at the inner edge of the feed trough. When the consumable is pulled from the feed trough, the consumable can continuously contact the trigger point of the ejection detection micro switch. After the consumable leaves the feed trough, the trigger point of the ejection detection micro switch resets. The second micro switch boss is equipped with a consumable exhaustion detection micro switch. The trigger point of the consumable exhaustion detection micro switch is located at the inner edge of the consumable guide groove. When the consumable is pulled from the consumable guide groove, the consumable can continuously contact the trigger point of the consumable exhaustion detection micro switch. After the consumable leaves the consumable guide groove, the trigger point of the consumable exhaustion detection micro switch resets.
[0008] As a preferred technical solution for a mechanically triggered 3D printer consumable supply device, the part of the printer back plate that extends out of the consumable box back plate is provided with an extension. The extension is equipped with a consumable box end magnetic interface and a printer end magnetic interface. The ejection detection micro switch and the consumable depletion detection micro switch are both connected to the consumable box end magnetic interface through wires to transmit the consumable feeding status to the printer.
[0009] As a preferred technical solution for a mechanically triggered 3D printer consumable supply device, a gear shaft end cover is installed between the first microswitch boss and the second microswitch boss. The gear shaft end cover is installed on the consumable box back plate. The printer back plate and the consumable box back plate are hinged together with a printer feed motor gear. A feed shaft large gear is hinged on the consumable box back plate. The feed shaft large gear meshes with the printer feed motor gear. The feed shaft large gear and the printer feed motor gear are located inside the gear shaft end cover. During the rotation of the printer feed motor gear, it can drive the feed shaft large gear to rotate.
[0010] As a preferred technical solution for a mechanically triggered 3D printer consumable supply device, a feeding drive gear is coaxially connected to the large feeding shaft gear. When the large feeding shaft gear rotates, it can rotate together with the feeding drive gear. A feeding driven gear is hinged to the inner edge of the gear shaft end cover. When the large feeding shaft gear and the feeding drive gear rotate together, the cooperation between the feeding drive gear and the feeding driven gear drives the consumable to move.
[0011] The beneficial effects of this utility model are:
[0012] 1. This device uses microswitches for material return detection and consumable depletion detection to monitor the material feeding and depletion status in real time, thereby improving the reliability of the printing process.
[0013] 2. This device utilizes the coordination of the printer's feeding motor gear, the feeding shaft gear, and the feeding drive / driven gear to achieve stable and continuous feeding of consumables.
[0014] Other features and advantages of this invention will be set forth in the description which follows, and will be apparent in part from the description, or may be learned by practicing the invention. The objectives and other advantages of this invention can be realized and obtained by means of the structures particularly pointed out in the description and the drawings. Attached Figure Description
[0015] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments 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. Among them:
[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model.
[0017] Figure 2 This is a cross-sectional schematic diagram of the present invention.
[0018] Figure 3 This is a schematic diagram of the back of this utility model.
[0019] Figure label:
[0020] 1. Printer back panel; 2. Consumables tray back panel; 3. Consumables shaft; 4. Microswitch boss one; 5. Microswitch for ejection detection; 6. Feed slot; 7. Magnetic connector at the consumables tray end; 8. Magnetic connector at the printer end; 9. Feed driven gear; 10. Gear shaft end cover; 11. Feed drive gear; 12. Large gear on the feed shaft; 13. Consumables guide groove; 14. Printer feed motor gear; 15. Extension section; 16. Microswitch for consumables depletion detection; 17. Microswitch boss two. Detailed Implementation
[0021] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.
[0022] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the spirit of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.
[0023] Secondly, the term "an embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in different places in this specification does not necessarily refer to the same embodiment, nor is it a single embodiment or an embodiment selectively excluded from other embodiments.
[0024] Secondly, this utility model is described in detail with reference to the schematic diagrams. When describing the embodiments of this utility model, for ease of explanation, the cross-sectional views illustrating the device structure may be partially enlarged, not adhering to the usual scale. Furthermore, the schematic diagrams are merely examples and should not limit the scope of protection of this utility model. In addition, actual manufacturing should include the three-dimensional spatial dimensions of length, width, and depth.
[0025] Example, refer to Figure 1 and 2 A device for supplying consumables to a 3D printer using an in-body mechanical triggering mechanism includes a printer backplate 1, a consumable box backplate 2, a micro switch boss 1 4, and a micro switch boss 2 17.
[0026] The consumables tray back plate 2 is mounted on the printer back plate 1. A consumables hinge 3 is mounted on the side of the consumables tray back plate 2 away from the printer back plate 1, where consumables are placed. Microswitch boss 1 4 and microswitch boss 2 17 are both mounted on the front of the consumables tray back plate 2. Microswitch boss 1 4 has a feed groove 6 for guiding the movement of consumables. Microswitch boss 2 17 has a consumables guide groove 13 for guiding the movement of consumables. A material ejection detection microswitch 5 is mounted on microswitch boss 1 4, and the trigger point of the material ejection detection microswitch 5 is located at the feed position. At the inner edge of groove 6, when the consumable is pulled from the feed groove 6, the consumable can continuously contact the trigger point of the ejection detection micro switch 5. After the consumable leaves the feed groove 6, the trigger point of the ejection detection micro switch 5 is reset. A consumable exhaustion detection micro switch 16 is installed on the micro switch boss 17. The trigger point of the consumable exhaustion detection micro switch 16 is located at the inner edge of the consumable guide groove 13. When the consumable is pulled from the consumable guide groove 13, the consumable can continuously contact the trigger point of the consumable exhaustion detection micro switch 16. After the consumable leaves the consumable guide groove 13, the trigger point of the consumable exhaustion detection micro switch 16 is reset.
[0027] Reference Figure 1 and 2The printer back plate 1 has an extension 15 extending out of the consumable box back plate 2. The extension 15 is equipped with a consumable box end magnetic interface 7 and a printer end magnetic interface 8. The ejection detection micro switch 5 and the consumable depletion detection micro switch 16 are both connected to the consumable box end magnetic interface 7 through wires to transmit the consumable feeding status to the printer.
[0028] Reference Figure 2 and 3 A gear shaft end cover 10 is installed between micro switch boss 14 and micro switch boss 27. The gear shaft end cover 10 is installed on the consumable box back plate 2. The printer feed motor gear 14 is hinged together on the printer back plate 1 and the consumable box back plate 2. The feed shaft large gear 12 is hinged on the consumable box back plate 2. The feed shaft large gear 12 meshes with the printer feed motor gear 14. The feed shaft large gear 12 and the printer feed motor gear 14 are located inside the gear shaft end cover 10. The printer feed motor gear 14 can rotate in conjunction with the feed shaft large gear 12 during rotation.
[0029] Reference Figure 2 A feeding drive gear 11 is coaxially connected to the large feeding shaft gear 12. When the large feeding shaft gear 12 rotates, it can rotate together with the feeding drive gear 11. A feeding driven gear 9 is hinged to the inner edge of the gear shaft end cover 10. When the large feeding shaft gear 12 and the feeding drive gear 11 rotate together, the cooperation between the feeding drive gear 11 and the feeding driven gear 9 will drive the consumable to move.
[0030] This implementation achieves the following: First, the consumable is installed on the consumable rotating shaft 3. The consumable enters through the consumable guide groove 13 on the micro switch boss 17. The consumable depletion detection micro switch 16 can detect the consumable entering. Then, it is guided through the consumable guide groove 13 to the feeding gear driven gear 9 and the feeding drive gear 11. The printer feeding motor gear 14 rotates, driving the feeding shaft large gear 12 to rotate. The feeding shaft large gear 12 drives the feeding drive gear 11. The feeding drive gear 11 and the feeding driven gear 9 together squeeze and rotate to feed the consumable. Then, it enters the feeding groove 6. The consumable can be detected by the material return detection micro switch 5. Finally, it exits the consumable box. All detection switches are connected to the printer through the magnetic interface 7 at the consumable box end and the magnetic interface 8 at the printer end, transmitting the consumable feeding status to the printer.
[0031] It should be understood that numerous specific implementation decisions can be made during the development of any actual implementation method, and in any engineering or design project. Such development efforts may be complex and time-consuming, but for those of ordinary skill in the art who benefit from this disclosure, the development effort will be a routine work of design, manufacturing, and production without requiring much experimentation.
[0032] It should be noted that the above embodiments are only used to illustrate the technical solution of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solution of this utility model without departing from the spirit and scope of the technical solution of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.
Claims
1. A device for supplying consumables to a 3D printer using an in-body mechanical triggering mechanism, characterized in that: It includes a printer back panel (1), a consumable box back panel (2), a micro switch boss one (4) and a micro switch boss two (17); The consumable box back plate (2) is mounted on the printer back plate (1). A consumable rotating shaft (3) is mounted on the side of the consumable box back plate (2) away from the printer back plate (1). The micro switch boss one (4) and the micro switch boss two (17) are both mounted on the front of the consumable box back plate (2). A feed groove (6) is provided on the micro switch boss one (4). A consumable guide groove (13) is provided on the micro switch boss two (17). A material ejection detection micro switch (5) is installed on the micro switch boss one (4). The trigger point of the material ejection detection micro switch (5) is located at the inner edge of the feed groove (6). A consumable depletion detection micro switch (16) is installed on the micro switch boss two (17). The trigger point of the consumable depletion detection micro switch (16) is located at the inner edge of the consumable guide groove (13).
2. The device for supplying consumables to a 3D printer using a mechanical trigger mechanism within the printer body, as described in claim 1, is characterized in that: The printer back plate (1) has an extension (15) extending out of the consumable box back plate (2). The extension (15) is equipped with a consumable box end magnetic interface (7) and a printer end magnetic interface (8). The ejection detection micro switch (5) and the consumable depletion detection micro switch (16) are both connected to the consumable box end magnetic interface (7) by wires.
3. The device for supplying consumables to a 3D printer using a mechanical trigger mechanism within the printer body, as described in claim 1, is characterized in that: A gear shaft end cover (10) is installed between the micro switch boss one (4) and the micro switch boss two (17). The gear shaft end cover (10) is installed on the consumable box back plate (2). The printer back plate (1) and the consumable box back plate (2) are hinged together with the printer feed motor gear (14). The consumable box back plate (2) is hinged with the feed shaft large gear (12). The feed shaft large gear (12) meshes with the printer feed motor gear (14). The feed shaft large gear (12) and the printer feed motor gear (14) are located inside the gear shaft end cover (10).
4. The device for supplying consumables to a 3D printer using a mechanical trigger mechanism within the printer body, as described in claim 3, is characterized in that: The feeding shaft large gear (12) is coaxially connected to the feeding drive gear (11), and the inner edge of the gear shaft end cover (10) is hinged to the feeding driven gear (9).