3D printer stock bin box

By designing a transparent cover, linear bearings, and conical fixing blocks for the 3D printer's filament tray, the problems of high resistance and entanglement during filament unloading were solved, enabling rapid filament replacement and smooth feeding, and making it suitable for various tray thicknesses.

CN223750280UActive Publication Date: 2026-01-02ANHUI ZHONGKE XIANGSHENG TECH CO LTD
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Patent Information

Application Number
CN202520122804.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-20
Publication Date
2026-01-02
Estimated Expiration
2035-01-20

AI Technical Summary

Technical Problem

Existing 3D printers suffer from problems such as high resistance during filament unloading, easy filament scattering, and inconvenience in replacement, especially for special filaments such as carbon fiber filaments, which leads to unsmooth feeding and filament entanglement.

Method used

Design a 3D printer hopper box, which adopts a structure including a transparent cover, linear bearings, pull rods, conical fixing blocks, and ball bearings to achieve quick replacement of the filament tray and low-resistance unloading. The filament tray is fixed by spring tension, and the gap between the filament tray and the box body is precisely controlled to ensure smooth feeding of consumables.

Benefits of technology

It enables quick replacement and smooth feeding of consumables, reduces resistance and tangling problems during unwinding, is suitable for various thicknesses of trays, and improves the convenience and stability of consumable use.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of 3D printer accessories, in particular to a 3D printer stock bin box which comprises a machine box and a box body, the bottom of the box body is communicated with an inner cavity of the machine box, a transparent cover plate is inserted into the front end of the box body, linear bearings are arranged on the left side face and the right side face of the box body, and drawing rods are arranged in the linear bearings in a penetrating mode. The outer ends of the drawing rods are provided with operation heads, the inner ends of the two drawing rods are rotationally connected with symmetrical conical surface fixing blocks, springs are arranged between the conical surface fixing blocks and the linear bearings, and a material disc is arranged between the two conical surface fixing blocks. On one hand, hot air flow in the case can be used for drying consumables, on the other hand, the whole consumable replacement process can be fast and convenient, on the other hand, pressure of the feeding end of the printer head can be relieved, discharging is smoother, and on the four hand, the problem that discharging is stuck due to the fact that the consumables are wound on the drawing rod in the traction process can be avoided.
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Description

TECHNICAL FIELD

[0001] The utility model relates to 3D printer accessory technical field, specifically disclose a 3D printer stock bin box. BACKGROUND

[0002] The consumables of 3D printer are usually wound in the form of wire on the material disc, and then the material disc is loaded into the uncoiling shaft in the 3D printer stock bin during the loading process, and the feeding end on the machine head will pull the consumables during the 3D printing process, so as to achieve the effect of uncoiling.

[0003] For example, the patent application No. 202210337292.2 discloses a constant temperature 3D printer, which comprises a sealed machine box assembly composed of a machine box, a box cover and a cabinet door, a nozzle assembly is arranged on the upper end of the machine box, and a transmission device is arranged to move the nozzle assembly, a lifting frame is arranged in the machine box and moves up and down, a printing platform is arranged on the lifting frame, a partition is arranged at the side end of the machine box, the partition divides the inside of the machine box into a printing cavity and a storage cavity, a material roll holder is arranged in the storage cavity, and an air extraction fan is arranged at the upper end of the partition to connect the printing cavity and the storage cavity. The constant temperature 3D printer disclosed in the patent application is provided with a storage cavity at the side end of the machine box, and the consumable material roll is placed on the material roll holder, and the hot air in the printing cavity is extracted into the storage cavity through the air extraction fan, so as to dry the material roll in the storage cavity and ensure the drying degree before use of the consumables. However, there are still some technical problems. Firstly, after the consumable material roll is placed on the material roll holder, the resistance is too large during the rotation and uncoiling of the material roll, which makes the feeding of the feeding end of the printer head not smooth. Secondly, when used for some special consumables, such as carbon fiber consumables, the carbon fiber consumables have a certain elastic force, and the wound consumables are easy to scatter and pop out from the side end of the material disc during uncoiling, which leads to winding of the consumables and unsmooth uncoiling. Thirdly, the consumables cannot be found in time and replaced quickly when they are consumed. Therefore, in view of the deficiencies of the existing 3D printer consumable placement method, the present application proposes a 3D printer stock bin box which can effectively solve the above technical problems. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at providing a 3D printer stock bin box to solve the deficiencies of the existing 3D printer consumable roll relative to the design of the printer box.

[0005] The utility model is realized by the following technical solutions:

[0006] A 3D printer hopper box, comprising a cabinet and a box body, the bottom of the box body is communicated with the inner cavity of the cabinet, and the front end of the box body is inserted with a transparent cover plate, the left and right sides of the box body are provided with linear bearings, the linear bearings are provided with pull rods, and the outer end of the pull rod is provided with an operating head, the inner end of the two pull rods is rotatably connected with mutually symmetrical conical fixed blocks, and the conical fixed blocks and the side wall of the box body are provided with springs, and the two conical fixed blocks are provided with a hopper.

[0007] As a further arrangement of the above scheme, the reduced diameter ends of the two conical fixed blocks are arranged close to each other, and a ball bearing is arranged at the center of the conical fixed block.

[0008] As a further arrangement of the above scheme, the rear upper end of the box body cross section is in the shape of a 1 / 4 circular arc, and the linear bearing is arranged at the center of the box body cross section arc segment.

[0009] As a further arrangement of the above scheme, the gap between the stop ring at both ends of the hopper and the inner wall of the box body cross section arc segment is less than the diameter of the consumables.

[0010] As a further arrangement of the above scheme, the front end of the box body is provided with a slot, and the transparent cover plate is inserted in the slot.

[0011] As a further arrangement of the above scheme, the upper surface of the cabinet is provided with a seat, and the middle of the seat is communicated with the inner cavity of the cabinet, the lower end of the box body is matched with the seat, and the bottom of the box body is provided with a through hole.

[0012] Compared with the prior art, the patent has the following beneficial effects:

[0013] The bottom of the hopper box disclosed in the patent is communicated with the cabinet, and during the operation of the 3D printer, the hot air flow in the cabinet can flow upward into the hopper box, thereby achieving the drying effect of the consumables.

[0014] During the replacement of the consumables, the transparent cover plate can be directly pulled out or the box body can be directly taken off from the cabinet, and the hopper can be placed down by pulling the pull rod outward, and the new hopper can be directly pushed between the two conical fixed blocks, and the hopper can be quickly fixed by the spring tensioning effect, so that the whole consumable replacement process is fast and convenient.

[0015] The hopper in the patent is fixed by the force of the spring, so the distance between the two conical fixed blocks can be adjusted within a certain range, so that it can be applied to a variety of different thickness hoppers, and has a better application range.

[0016] The conical surface fixed block in the patent is rotatably connected with the drawing rod through the ball bearing, so that the material tray can rotate and unload the roll with low resistance, the consumable traction process is very lubricated in the printing process, the pressure on the feeding end of the printer head is reduced, and the discharging is smoother.

[0017] The upper side of the rear end of the box body is further set in a circular arc shape, and the gap size between the baffle at both ends of the material tray and the inner wall of the box body is accurately controlled, so that the gap is smaller than the diameter of the consumable, so that the consumable cannot enter between the side end of the material tray and the side wall of the box body through the gap, and the problem of material jamming caused by winding the drawing rod during traction is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor.

[0019] Figure 1 It is a three-dimensional structure schematic view when the present application cooperates with the case;

[0020] Figure 2 It is a three-dimensional structure schematic view when the present application is taken out from the case;

[0021] Figure 3 It is a three-dimensional structure schematic view of the present application;

[0022] Figure 4 It is a side view plane structure schematic view when the material tray is placed in the box body in the present application. DETAILED DESCRIPTION

[0023] In order to make the personnel in the technical field better understand the present application, the technical scheme in the present application will be described clearly and completely in the following with reference to the drawings in the embodiment of the present application. Obviously, the described embodiments are only some embodiments of the present application, not all. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor should belong to the scope of protection of the present application.

[0024] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The present application will be described in detail below with reference to the accompanying drawings Figures 1-4 and combined with the embodiments. Embodiment 1

[0025] Embodiment 1 discloses a 3D printer material bin box, and is described in combination with the entire 3D printer.Figure 1 and attached Figure 2 , including the chassis 1 and the box 2, the upper surface of the chassis 1 is provided with the card seat 101, and the middle of the card seat 101 is connected with the inside of the chassis 1, so that the hot air flow in the chassis 1 can flow upwards through the card seat 101. The lower end of the box 2 is matched with the card seat 101, and the bottom is provided with an opening, so that the hot air flow in the chassis 1 can flow upwards to the inside of the box 2, and then a slot is opened at the front end of the box 2, and a transparent cover plate 3 is inserted in the slot. The box 2 can be sealed by the transparent cover plate 3 to prevent the hot air flow from escaping, and the consumption of the internal consumables can be observed through the transparent cover plate 3.

[0026] Reference attached Figure 3 and attached Figure 4 , the rear upper end of the cross section of the box 2 is in the shape of a 1 / 4 circular arc, and then linear bearings 4 are fixedly installed on the left and right sides of the box 2 at the center of the segment of the circular arc, and pull rods 5 extending into the inside of the box 2 are inserted in the linear bearings 4. The outer end of the pull rod 5 is connected with an operating head 6, and the inner end of the pull rod 5 is rotatably connected with a conical fixed block 7, the reduced diameter ends of the two conical fixed blocks 7 are arranged close to each other, and a ball bearing 8 is arranged at the center of the two conical fixed blocks 7, and then the end of the pull rod 5 is connected with the inner ring of the ball bearing 8, and a spring 9 is further arranged between the conical fixed block 7 and the inner wall of the box 2, and the supporting force of the spring 9 can make the two conical fixed blocks 7 close to each other.

[0027] Finally, a material tray 10 is arranged between the two conical fixed blocks 7, the two ends of the material tray 10 are pressed and fixed by the conical fixed blocks 7, and the gap h between the stop rings at the two ends of the material tray 10 and the inner wall of the arc segment on the box 2 is not more than 1.00 mm, and the specific gap can be determined according to the diameter of the consumable wire, as long as the gap h is less than the diameter of the consumable wire.

[0028] When the consumables are replaced, the transparent cover plate 3 can be pulled out, or the entire material tray can be taken off from the card seat 101, and after being taken off, both hands hold the corresponding operating head 6 to pull the two pull rods 5 to the two sides, so that they move outward under the action of the spring 9, and when the distance between the two conical fixed blocks 7 is greater than the width of the material tray 10, the material tray 10 automatically falls off from the two conical fixed blocks 7.

[0029] When the new material tray 10 is loaded, the material tray 10 is forced to be pushed between the two conical fixed blocks 7, and under the action of the pressing force, the two conical fixed blocks 7 move away from each other against the action of the spring 9, until the center of the material tray 10 is aligned with the center line of the two conical fixed blocks 7, and then the two conical fixed blocks 7 can quickly clamp and fix the material tray 10.

[0030] After the new tray 10 is loaded, the transparent cover plate 3 is inserted into the slot, and the lower end of the box body 2 is clamped into the clamping seat 101, so that the inner cavity of the box body 2 is communicated with the inside of the machine box 1. During the 3D printing process, the hot air in the machine box 1 flows upward into the box body 2, dries the consumables on the tray 10, and in the subsequent process of unwinding the consumables by the head, since the taper fixing block 7 is connected with the pulling rod 5 through the ball bearing 8, the resistance during the rotation of the tray 10 is very small.

[0031] In addition, since the gap h between the blocking ring at both ends of the tray 10 and the arc segment inner wall of the box body 2 is smaller than the diameter of the consumables, even for some special consumables, it can be ensured that the consumables will not enter between the side end of the tray 10 and the side wall of the box body 2 through the gap, avoiding the problem of material jamming caused by the consumables winding around the pulling rod 5 during the pulling process, thereby ensuring the normal unwinding of the consumables.

[0032] The above is only a preferred embodiment of the present application, and is not used to limit the present application, and any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A 3D printer cartridge case comprising a cabinet and a case body, characterized in that, The bottom of the box body is communicated with the inner cavity of the case, and the front end of the box body is provided with a transparent cover plate, the left and right sides of the box body are provided with linear bearings, the linear bearings are provided with pull rods penetrating therethrough, the outer ends of the pull rods are provided with operation heads, the inner ends of the two pull rods are rotatably connected with mutually symmetrical conical fixed blocks, springs are arranged between the conical fixed blocks and the side walls of the box body, and a material tray is arranged between the two conical fixed blocks.

2. The 3D printer cartridge box of claim 1, wherein, The reduced-diameter ends of the two conical fixed blocks are arranged close to each other, and a ball bearing is arranged at the center of the conical fixed block.

3. The 3D printer cartridge box of claim 1, wherein, The rear upper end of the cross section of the box body is in the shape of a 1 / 4 circular arc, and the linear bearings are arranged at the centers of the circular arc segments of the cross section of the box body.

4. The 3D printer cartridge box of claim 3, wherein, The gaps between the stop rings at the two ends of the material tray and the inner walls of the circular arc segments of the cross section of the box body are smaller than the diameter of the consumables.

5. The 3D printer cartridge box of claim 1, wherein, The front end of the box body is provided with a slot, and the transparent cover plate is inserted into the slot.

6. The 3D printer cartridge box of claim 5, wherein, The upper surface of the case is provided with a clamping seat, the middle of the clamping seat is communicated with the inner cavity of the case, the lower end of the box body is matched with the clamping seat, and the bottom of the box body is provided with a through hole.

Citation Information

Patent Citations

  • A temperature-controlled 3D printer

    CN114701164B