Waste collecting device of 3D printer

Abstract

The utility model relates to the technical field of waste collecting equipment of 3D printers, in particular to a waste collecting device of a 3D printer. A waste collecting device of a 3D printer comprises a collecting box connected with a collecting hopper in an inserted mode, two crushing rollers are rotationally connected to the collecting box, and a motor in driving connection with the crushing rollers is arranged on the collecting box. The crushing roller comprises a rotating shaft penetrating through the collecting box and rotationally connected with the collecting box, a barrel connected with the rotating shaft, a plurality of sets of first crushing cutters located on the surface of the barrel and a plurality of sets of second crushing cutters penetrating through the first crushing cutters and slidably connected with the first crushing cutters, and a plurality of connecting plates connected with one set of second crushing cutters are arranged in the barrel; the surface area of the crushing roller is reduced by shrinking the first crushing cutter towards the interior of the cylinder, and then the crushing roller is cleaned through the cleaning mechanism, so that 3D printer waste is prevented from being always adhered to the surface of the crushing roller, cleaning is convenient, and the recovery rate of the 3D printer waste is high.

Description

Technical Field

[0001] The utility model relates to the technical field of 3D printer waste collection equipment, in particular to a 3D printer waste collection device. Background Art

[0002] 3D printing is a type of rapid prototyping technology, also known as additive manufacturing. Since waste is generated during the 3D printing process, a 3D printer waste collection device is usually used to facilitate unified collection and processing.

[0003] After searching, it is found that in order to recycle 3D printer waste, the 3D printer waste collection device in the prior art usually arranges two rotating crushing rollers with crushing knives in the collection box to crush the 3D printer waste. The crushing rollers are driven by a motor, and a collection bucket is arranged at the bottom of the collection box to collect the crushed 3D printer waste for subsequent recycling. However, due to the lack of a cleaning mechanism, some 3D printer waste is easy to adhere to the surface of the crushing roller, which is inconvenient to clean, resulting in a low recovery rate of 3D printer waste. Utility Model Content

[0004] The utility model aims to solve the technical problem that some 3D printer waste is easily adhered to the surface of the crushing roller, which is inconvenient to clean, resulting in a low recovery rate of 3D printer waste.

[0005] In order to solve the above problems, the utility model proposes a technical solution: a 3D printer waste collection device, comprising a collection box with a collection bucket inserted, two crushing rollers rotatably connected to the collection box, the collection box is provided with a motor drivingly connected to the crushing rollers, the crushing rollers include a rotating shaft penetrating the collection box and rotatably connected to the collection box, a cylinder connected to the rotating shaft, a plurality of groups of first crushing knives located on the surface of the cylinder, a plurality of groups of second crushing knives penetrating the first crushing knives and slidably connected to the first crushing knives, a plurality of connecting plates connected to a group of second crushing knives are provided in the cylinder, one end of the connecting plate is rotatably connected to a rotating rod, a base is rotatably connected to the rotating shaft, an arc groove slidably connected to the rotating rod is provided on the base, the collection box is connected to a cleaning mechanism, the cleaning mechanism includes a hydraulic cylinder connected to the collection box, a connecting frame connected to the hydraulic cylinder, and a plurality of bristles located at the bottom end of the connecting frame.

[0006] As an improvement, a feed hopper is provided at the top of the collecting box, and the through slot in the connecting frame is larger than the feed hopper.

[0007] As an improvement, a connecting ring connected to the base is provided on the rotating shaft, the connecting ring passes through the collecting box and is rotatably connected to the collecting box, and a nut abutting against the connecting ring is threadedly connected to the rotating shaft.

[0008] As an improvement, one end of the rotating shaft is provided with a thread matching with the nut.

[0009] As an improvement, the collection box is provided with a controller connected with the motor and the hydraulic cylinder.

[0010] As an improvement, the first crushing knife is a hollow structure.

[0011] As an improvement, the bristles are located at both ends of the bottom of the connecting frame.

[0012] The beneficial effects of the utility model are as follows: by retracting the first crushing knife into the cylinder, the surface area of ​​the crushing roller is reduced, and then the surface area is cleaned by the cleaning mechanism, so as to avoid 3D printer waste from always adhering to the surface of the crushing roller, facilitate cleaning, and increase the recovery rate of 3D printer waste. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a three-dimensional schematic diagram of the utility model;

[0014] Figure 2 It is a first internal stereoscopic schematic diagram of the utility model;

[0015] Figure 3 It is a second internal stereoscopic schematic diagram of the utility model;

[0016] Figure 4 It is a third internal stereoscopic schematic diagram of the utility model;

[0017] Figure 5 It is a three-dimensional schematic diagram of the base of the utility model;

[0018] Figure 6 It is an enlarged schematic diagram of point A of the present utility model.

[0019] 1. Collection box; 2. Collection bucket; 3. Rotating shaft; 4. Nut; 5. Feed hopper; 6. Hydraulic cylinder; 7. Connecting frame; 8. Brush; 9. Second crushing knife; 10. First crushing knife; 11. Connecting ring; 12. Base; 13. Connecting plate; 14. Rotating rod. DETAILED DESCRIPTION

[0020] The preferred embodiments of the present utility model will be described in detail below in conjunction with the accompanying drawings.

[0021] like Figure 1 , Figure 2 , Figure 3As shown, a 3D printer waste collection device comprises a collection box 1 plugged with a collection bucket 2, two crushing rollers are rotatably connected to the collection box 1, a motor is provided on the collection box 1 and is driven and connected to the crushing rollers, the crushing rollers comprise a rotating shaft 3 penetrating the collection box 1 and rotatably connected to the collection box 1, a cylinder body connected to the rotating shaft 3, a plurality of groups of first crushing knives 10 located on the surface of the cylinder body, a plurality of groups of second crushing knives 9 penetrating the first crushing knives 10 and slidably connected to the first crushing knives 10, the first crushing knives 10 are hollow structures, a plurality of connecting plates 13 connected to a group of second crushing knives 9 are provided in the cylinder body , a rotating rod 14 is rotatably connected to one end of the connecting plate 13, a base 12 is rotatably connected to the rotating shaft 3, an arc groove is provided on the base 12 for sliding connection with the rotating rod 14, a connecting ring 11 is provided on the rotating shaft 3 for connecting with the base 12, a connecting rod is provided between the connecting ring 11 and the base 12, a through hole matching with the connecting rod is provided on the cylinder body for facilitating the passing of the connecting rod and avoiding hindering the movement of the connecting rod, the connecting ring 11 passes through the collecting box 1 and is rotatably connected with the collecting box 1, a nut 4 abutting against the connecting ring 11 is threadedly connected to the rotating shaft 3, and a thread matching with the nut 4 is provided at one end of the rotating shaft 3 for convenient fixing of the nut 4;

[0022] like Figure 1 , Figure 2 As shown, the collecting box 1 is connected to a cleaning mechanism to facilitate cleaning of the crushing roller. The cleaning mechanism includes a hydraulic cylinder 6 connected to the collecting box 1, a connecting frame 7 connected to the hydraulic cylinder 6, and a plurality of bristles 8 located at the bottom of the connecting frame 7. The bristles 8 are located at both ends of the bottom of the connecting frame 7. A feed hopper 5 is provided at the top of the collecting box 1. The through groove in the connecting frame 7 is larger than the feed hopper 5. A controller connected to the motor and the hydraulic cylinder 6 is provided on the collecting box 1 to facilitate its control.

[0023] Working principle: Figure 2 As shown, the 3D printer waste is poured into the collection box 1 through the feed hopper 5, and the motor drives the crushing roller to rotate to crush the 3D printer waste. The crushed 3D printer waste falls into the collection hopper 2 and is collected;

[0024] like Figure 6 As shown, after the crushing is completed, the motor stops working, and the nut 4 is screwed along the thread to disengage the connecting ring 11. The base 12 is driven to rotate by rotating the connecting ring 11. The base 12 makes the rotating rod 14 approach the rotating shaft 3 along the arc groove through the arc groove, and makes the connecting plate 13 drive the second crushing knife 9 to approach the rotating shaft 3, thereby reducing the surface area of ​​the crushing roller. The hydraulic cylinder 6 drives the connecting frame 7 to move downward so that the bristles 8 are against the cylinder body, and the motor is started again. The motor makes the crushing roller rotate, and the bristles 8 clean the 3D printer waste on the surface of the crushing roller and make it fall into the collecting bucket 2.

[0025] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.

Claims

1. A 3D printer waste collection device, comprising a collection box (1) plugged with a collection bucket (2), two crushing rollers being rotatably connected to the collection box (1), and a motor drivingly connected to the crushing rollers being provided on the collection box (1), characterized in that: The crushing roller comprises a rotating shaft (3) penetrating the collection box (1) and rotatably connected to the collection box (1), a cylinder connected to the rotating shaft (3), a plurality of groups of first crushing knives (10) located on the surface of the cylinder, and a plurality of groups of second crushing knives (9) penetrating the first crushing knives (10) and slidably connected to the first crushing knives (10). A plurality of connecting plates (13) connected to a group of second crushing knives (9) are provided in the cylinder, one end of the connecting plate (13) is rotatably connected to a rotating rod (14), a base (12) is rotatably connected to the rotating shaft (3), and an arc groove slidably connected to the rotating rod (14) is provided on the base (12). The collection box (1) is connected to a cleaning mechanism, and the cleaning mechanism comprises a hydraulic cylinder (6) connected to the collection box (1), a connecting frame (7) connected to the hydraulic cylinder (6), and a plurality of bristles (8) located at the bottom end of the connecting frame (7).

2. A 3D printer waste collection device according to claim 1, characterized in that: A feed hopper (5) is provided at the top of the collection box (1), and the through slot in the connection frame (7) is larger than the feed hopper (5).

3. A 3D printer waste collection device according to claim 1, characterized in that: The rotating shaft (3) is provided with a connecting ring (11) connected to the base (12); the connecting ring (11) penetrates the collecting box (1) and is rotatably connected to the collecting box (1); and a nut (4) abutting against the connecting ring (11) is threadedly connected to the rotating shaft (3).

4. A 3D printer waste collection device according to claim 3, characterized in that: One end of the rotating shaft (3) is provided with a thread matching with the nut (4).

5. A 3D printer waste collection device according to claim 1, characterized in that: The collection box (1) is provided with a controller connected to the motor and the hydraulic cylinder (6).

6. A 3D printer waste collection device according to claim 1, characterized in that: The first crushing knife (10) is a hollow structure.

7. A 3D printer waste collection device according to claim 1, characterized in that: The bristles (8) are located at two ends of the bottom of the connecting frame (7).

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