3D printer discharging assembly and 3D printer

Abstract

The utility model provides a 3D printer discharging assembly and a 3D printer, and relates to the technical field of 3D printers, the 3D printer discharging assembly comprises a fixing frame and an adjusting device, the adjusting device is fixedly connected to the bottom of the fixing frame, through the arranged adjusting device, when the aperture of a spray head needs to be adjusted, a servo motor is firstly started, the servo motor drives a driving gear to rotate through a rotating rod, and the driving gear rotates; the driving gear rotates and drives the driven gear on one side of the driving gear to rotate at the same time, the driven gear rotates and drives the rotating plate, the arc-shaped plate arranged at the two ends of the rotating plate and the shifting rod to rotate along the rotating disc at the same time, and the shifting rod moves in a cross-shaped groove formed in the rotating disc and drives the rotating disc to rotate in a clearance mode. According to the device, the probability that the process is relatively tedious, the operation time is prolonged, and the complexity is reduced is reduced, and the probability that the shutdown time of the 3D printer is prolonged and the overall printing efficiency is reduced due to frequent replacement of the spray head is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to 3D printer technical field especially relates to a 3D printer discharge assembly and 3D printer. BACKGROUND

[0002] The discharge assembly of the 3D printer is the key part in the 3D printing process, is responsible for extruding and depositing the molten material on the printing platform, and constructs the final 3D model layer by layer, and the discharge assembly of the 3D printer is the key part responsible for conveying printing material to the printing head or printing area, and the design and performance of the discharge assembly directly affect the quality and efficiency of 3D printing.

[0003] The existing 3D printer discharge assembly when in use, by the replacement cylinder from the top of the heat sink is inserted, to reach the insertion into the through-hole, after inserting, by the arc-shaped plate and the inner wall of semicircular groove contact, then by the screw is tightened, and then reach the fixed effect, so as to ensure the installation and disassembly of the replacement cylinder, however, the existing 3D printer discharge assembly when in use, the aperture of the nozzle may need to be adjusted according to the printing accuracy, but when adjusting the aperture of the nozzle, the screw needs to be loosened, the old nozzle is taken out, and the new nozzle is installed and fixed again, the process is relatively cumbersome, increases the operation time and complexity, and frequent replacement of the nozzle will increase the downtime of the 3D printer, and reduce the overall printing efficiency.

[0004] Therefore, it is necessary to provide a new kind of 3D printer discharge assembly and 3D printer to solve the above technical problems. INVENTION CONTENTS

[0005] To solve the above technical problems, the utility model provides a kind of 3D printer discharge assembly and 3D printer.

[0006] The 3D printer discharge assembly provided by the utility model includes a fixing frame and an adjusting device, the adjusting device is fixedly connected to the bottom of the fixing frame;

[0007] The adjusting device includes a driving assembly and a turntable, the driving assembly is fixedly connected to the bottom of the box body fixing frame, and a rotating plate is fixedly connected to the driving assembly, one end of the rotating plate is fixedly connected with a sector plate, and the end of the rotating plate away from the rotating plate is fixedly connected with a lever, the turntable is rotatably connected to one end of the driving assembly, and a cross slide groove is formed in the turntable.

[0008] Preferably, the driving assembly comprises a driving member and a driving gear, the driving member is fixedly connected to the bottom of the fixed frame, and the output end of the driving member is fixedly connected with a rotating rod, the rotating rod is rotatably connected with an L-shaped support, the driving gear is fixedly connected to the rotating rod, and the driving gear is meshed with a driven gear on one side, the driven gear is fixedly connected to one end of the rotating plate, and the end of the driven gear away from the rotating plate is fixedly connected with a connecting rod, and the end of the connecting rod away from the driven gear is rotatably connected to the bottom of the fixed frame.

[0009] Preferably, a plurality of limiting blocks are fixedly connected to the rotating disc.

[0010] Preferably, the driving member is a servo motor, the servo motor is fixedly connected to the bottom of the fixed frame, and the output end of the servo motor is fixedly connected to one end of the rotating rod.

[0011] Preferably, the bottom of the rotating disc is fixedly connected with a fixed plate, and the fixed plate is fixedly connected with nozzles of different apertures around.

[0012] The utility model discloses a kind of 3D printers provided in the second aspect of the utility model, including support frame, support platform and the 3D printer discharging assembly of the described, the support platform is fixedly connected to support frame top, and the fixed frame is set in support frame.

[0013] Compared with the related art, the 3D printer discharging assembly and the 3D printer provided by the utility model have the following beneficial effects:

[0014] When the nozzle aperture needs to be adjusted, first start the servo motor, the servo motor drives the driving gear to rotate through the rotating rod, the driving gear drives the driven gear on its side to rotate while rotating, the driven gear drives the rotating plate and the arc-shaped plates and the lever provided at both ends of the rotating plate to rotate along the rotating disc while rotating, the lever moves in the cross slot provided on the rotating disc, and drives the rotating disc to rotate intermittently, so as to drive the nozzle to rotate intermittently. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 The utility model provides a kind of 3D printer discharging assembly structural schematic diagram;

[0016] Figure 2 The utility model provides a kind of 3D printer discharging assembly structural schematic diagram; Figure 1 The utility model provides a kind of 3D printer discharging assembly structural schematic diagram;

[0017] Figure 3 The utility model provides a kind of 3D printer discharging assembly structural schematic diagram; Figure 1 The utility model provides a kind of 3D printer discharging assembly structural schematic diagram;

[0018] Figure 4 As shown in the adjustment device structure diagram of the application. Figure 3 As shown in the adjustment device structure diagram of the application.

[0019] Figure 5 As shown in the adjustment device structure diagram of the application. Figure 4 As shown in the adjustment device structure diagram of the application.

[0020] Figure 6 As shown in the adjustment device structure diagram of the application.

[0021] In the figure, the label: 1, fixed frame; 2, turntable; 3, rotating plate; 4, fan-shaped plate; 5, lever; 6, cross slide; 7, driving gear; 8, rotating rod; 9, L-shaped support; 10, driven gear; 11, connecting rod; 12, limit block; 13, servo motor; 14, fixed plate; 15, nozzle; 16, support frame; 17, support platform. DETAILED DESCRIPTION

[0022] The utility model will be further described below in combination with the drawings and embodiments.

[0023] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 , among which, Figure 1 As shown in the adjustment device structure diagram of the application. Figure 2 As shown in the adjustment device structure diagram of the application. Figure 1 As shown in the adjustment device structure diagram of the application. Figure 3 As shown in the adjustment device structure diagram of the application. Figure 1 As shown in the adjustment device structure diagram of the application. Figure 4 As shown in the adjustment device structure diagram of the application. Figure 3 As shown in the adjustment device structure diagram of the application. Figure 5 As shown in the adjustment device structure diagram of the application. Figure 4 As shown in the adjustment device structure diagram of the application. Figure 6 As shown in the adjustment device structure diagram of the application.

[0024] In the specific implementation process, such as Figures 1 to 6As shown, the adjusting device is fixedly connected to the bottom of the fixed frame 1, the adjusting device comprises a driving assembly and a rotating disc 2, the driving assembly is fixedly connected to the bottom of the box fixed frame 1, and the driving assembly is fixedly connected with a rotating plate 3, one end of the rotating plate 3 is fixedly connected with a fan-shaped plate 4, and the end of the rotating plate 3 away from the rotating plate 3 is fixedly connected with a push rod 5, the rotating disc 2 is rotatably connected to one end of the driving assembly, the rotating disc 2 is provided with a cross-shaped sliding groove 6, the driving assembly comprises a driving part and a driving gear 7, the driving part is fixedly connected to the bottom of the fixed frame 1, and the output end of the driving part is fixedly connected with a rotating rod 8, the rotating rod 8 is rotatably connected with an L-shaped support 9, the driving gear 7 is fixedly connected to the rotating rod 8, and one side of the driving gear 7 is engaged with a driven gear 10, the driven gear 10 is fixedly connected to one end of the rotating plate 3, and the end of the driven gear 10 away from the rotating plate 3 is fixedly connected with a connecting rod 11, the end of the connecting rod 11 away from the driven gear 10 is rotatably connected to the bottom of the fixed frame 1, the rotating disc 2 is fixedly connected with a plurality of limiting blocks 12, the driving part is a servo motor 13, the servo motor 13 is fixedly connected to the bottom of the fixed frame 1, and the output end of the servo motor 13 is fixedly connected to one end of the rotating rod 8, the bottom of the rotating disc 2 is fixedly connected with a fixed plate 14, and the fixed plate 14 is fixedly connected with nozzles 15 of different apertures around, when it is needed to adjust the aperture of the nozzle 15, first, the servo motor 13 is started, the servo motor 13 drives the driving gear 7 to rotate through the rotating rod 8, the driving gear 7 drives the driven gear 10 on the side to rotate while rotating, the driven gear 10 drives the rotating plate 3 and the arc-shaped plates and the push rod 5 arranged at the two ends of the rotating plate 3 to rotate along the rotating disc 2 while rotating, the push rod 5 moves in the cross-shaped groove arranged on the rotating disc 2, and drives the rotating disc 2 to rotate intermittently, thereby driving the nozzle 15 to rotate intermittently.

[0025] The utility model provides a kind of 3D printer provided in the second aspect of the utility model, including support frame 16, support platform 17 and 3D printer discharge component, the support platform 17 is fixedly connected to support frame 16 top, the fixed frame 1 is set in support frame 16.

[0026] The utility model provides working principle as follows: when it is needed to adjust the aperture of the nozzle 15 in use, first, the servo motor 13 is started, the servo motor 13 drives the driving gear 7 to rotate through the rotating rod 8, the driving gear 7 drives the driven gear 10 on the side to rotate while rotating, the driven gear 10 drives the rotating plate 3 and the arc-shaped plates and the push rod 5 arranged at the two ends of the rotating plate 3 to rotate along the rotating disc 2 while rotating, the push rod 5 moves in the cross-shaped groove arranged on the rotating disc 2, and drives the rotating disc 2 to rotate intermittently, thereby driving the nozzle 15 to rotate intermittently.

[0027] The circuit and control involved in the utility model are prior art, and will not be described in detail here.

[0028] The above merely illustrates the embodiments of the present application, and does not limit the patent scope of the present application, and any equivalent structure or equivalent process transformation, or direct or indirect application in other related technical fields, which are made by using the content of the present application specification and drawings, are also included in the patent protection scope of the present application.

Claims

1. A 3D printer discharge assembly, characterized in that: It comprises a fixing frame (1) and an adjusting device, wherein the adjusting device is fixedly connected to the bottom of the fixing frame (1); The regulating device comprises a driving assembly and a turntable (2), wherein the driving assembly is fixedly connected to the bottom of the box fixing frame (1), and a rotating plate (3) is fixedly connected to the driving assembly, one end of the rotating plate (3) is fixedly connected to a fan-shaped plate (4), and one end of the rotating plate (3) away from the rotating plate (3) is fixedly connected to a shifting rod (5), the turntable (2) is rotatably connected to one end of the driving assembly, and a cross slide groove (6) is provided on the turntable (2).

2. The 3D printer discharge assembly according to claim 1, characterized in that: The driving assembly comprises a driving member and a driving gear (7), wherein the driving member is fixedly connected to the bottom of the fixed frame (1), and the output end of the driving member is fixedly connected to a rotating rod (8), and an L-shaped bracket (9) is rotatably connected to the rotating rod (8), and the driving gear (7) is fixedly connected to the rotating rod (8), and a driven gear (10) is meshed on one side of the driving gear (7), and the driven gear (10) is fixedly connected to one end of the rotating plate (3), and the end of the driven gear (10) away from the rotating plate (3) is fixedly connected to a connecting rod (11), and the end of the connecting rod (11) away from the driven gear (10) is rotatably connected to the bottom of the fixed frame (1).

3. The 3D printer discharge assembly according to claim 2, characterized in that: A plurality of limit blocks (12) are fixedly connected to the turntable (2).

4. The 3D printer discharge assembly according to claim 3, characterized in that: The driving member is a servo motor (13), the servo motor (13) is fixedly connected to the bottom of the fixing frame (1), and the output end of the servo motor (13) is fixedly connected to one end of the rotating rod (8).

5. The 3D printer discharge assembly according to claim 4, characterized in that: A fixed plate (14) is fixedly connected to the bottom of the turntable (2), and nozzles (15) with different apertures are fixedly connected around the fixed plate (14).

6. A 3D printer, characterized in that: It comprises a support frame (16), a support platform (17) and a 3D printer discharge assembly according to any one of claims 1 to 5, wherein the support platform (17) is fixedly connected to the top of the support frame (16), and the fixing frame (1) is arranged on the support frame (16).

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