CN112248442A

CN112248442A - Print discharging device

Info

Publication number: CN112248442A
Application number: CN202010941850.7A
Authority: CN
Inventors: 张俊; 张帆; 涂一文; 崔坤腾; 赵圆圆
Original assignee: Wuhan Luran Technology Co Ltd
Current assignee: Wuhan Luran Technology Co Ltd
Priority date: 2020-09-09
Filing date: 2020-09-09
Publication date: 2021-01-22
Anticipated expiration: 2040-09-09
Also published as: CN112248442B

Abstract

The invention discloses a printing and discharging device, which comprises: a frame; the feeding assembly comprises a driving wheel, a driven wheel and a feeding driving piece, the driving wheel is rotatably arranged on the rack, the output end of the feeding driving piece is connected with the driving wheel so as to drive the driving wheel to rotate, the driven wheel is rotatably arranged on the rack, and an extrusion gap is formed between the wheel surface of the driven wheel and the wheel surface of the driving wheel; the discharging assembly comprises a guide pipe and a hot pressing piece, one end of the guide pipe is opposite to the extrusion gap, the hot pressing piece is installed on the rack, the hot pressing piece is provided with a hot pressing wheel, and the hot pressing wheel is rotatably arranged at one end, far away from the extrusion gap, of the guide pipe. Need not to utilize the buffer memory chamber to accept the fused material, but directly with the direct melting of fibre material on the machined surface, avoided current 3D printer after shutting down, the problem that the fused material solidifies again and causes buffer memory chamber discharge gate to block up.

Description

Print discharging device

Technical Field

The invention relates to the field of 3D printing, in particular to a printing and discharging device.

Background

3D prints to emerging parts machining technique, and current 3D printer is usually with the buffering in the buffer memory chamber of fused material, and then exports the material in the buffer memory chamber and stereotypes on the machined surface to progressively accomplish processing. However, a certain amount of molten material remains at the discharge port of the 3D printer, and after the printer is stopped, the molten material is solidified again, so that the discharge port of the 3D printer is blocked, and the next use of the 3D printer is affected.

Disclosure of Invention

The invention aims to overcome the technical defects, provides a printing and discharging device, and solves the technical problem that materials at a discharging port of 3D printing are easy to block in the prior art.

In order to achieve the above technical object, the technical solution of the present invention includes a print discharging apparatus, including:

a frame;

the feeding assembly comprises a driving wheel, a driven wheel and a feeding driving piece, the driving wheel is rotatably arranged on the rack, the output end of the feeding driving piece is connected with the driving wheel so as to drive the driving wheel to rotate, the driven wheel is rotatably arranged on the rack, and an extrusion gap for configuring materials is formed between the wheel surface of the driven wheel and the wheel surface of the driving wheel;

the discharging assembly comprises a guide pipe and a hot pressing piece, one end of the guide pipe is opposite to the extrusion gap, the hot pressing piece is installed on the rack, the hot pressing piece is provided with a hot pressing wheel, and the hot pressing wheel is rotatably arranged on the guide pipe and is far away from the extrusion gap so as to carry out hot pressing on the material discharged by the guide pipe.

Furthermore, the hot pressing part further comprises a mounting seat, a pressing motor and a connecting portion, the mounting seat is mounted on the guide pipe, a guide rod is arranged on the mounting seat, one end of the connecting portion is slidably sleeved on the guide rod, the pressing motor is mounted on the mounting seat, a lead screw is formed at the output end of the pressing motor, the lead screw penetrates through the connecting portion, and the hot pressing wheel is rotatably mounted at the other end of the connecting portion.

Furthermore, the discharging assembly further comprises a rotary driving piece, the installation seat is rotatably installed on the guide pipe, and the output end of the rotary driving piece is connected with the installation seat to drive the installation seat to rotate.

Further, the rotation driving piece includes first rotating gear, second rotating gear, rotates the motor and rotates the hold-in range, first rotating gear connects the mount pad axis of rotation, second rotating gear connects rotate the motor output, it encircles to rotate the hold-in range first rotating gear with second rotating gear.

Further, still include the cutting assembly, it includes: cut the material sword and cut the material driving piece, cut the rotatable setting of material sword in the stand pipe is close to the one end in extrusion clearance, just cut the cutting edge of material sword towards the fibre material, cut the material driving piece output and connect cut the material sword, in order to drive cut the material sword and rotate.

Furthermore, the material shearing driving piece comprises a material shearing motor, a first material shearing gear, a second material shearing gear and a material shearing synchronous belt, the material shearing motor is installed on the rack, the first material shearing gear is installed at the output end of the material shearing motor, the second material shearing gear is installed on a rotating shaft of the material shearing knife, and the material shearing synchronous belt surrounds the first material shearing gear and the second material shearing gear.

Further, the outer edge of the hot pressing wheel extends to form a restraining plate.

Furthermore, a discharging nozzle is formed at one end, far away from the extrusion gap, of the guide pipe.

Compared with the prior art, the invention has the beneficial effects that: at first, fiber materials are clamped in the extrusion gap, and the feeding driving piece drives the driving wheel to rotate, so that the fiber materials are pulled to enter the guide pipe. And hot pressing spare has the hot pinch roller, the rotatable setting of hot pinch roller is kept away from the one end in extrusion clearance in the stand pipe, the hot pinch roller is pressed the fibre material that comes from the stand pipe, and then directly with the direct melting of fibre material on the machined surface, be different from current 3D printer, need not to utilize the buffer memory chamber to accept the fused material, but directly with the direct melting of fibre material on the machined surface, the back of having avoided current 3D printer shutting down, the problem that the fused material solidifies again and causes buffer memory chamber discharge gate to block up has been avoided.

Drawings

FIG. 1 is a schematic perspective view of a print discharging device according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of a trim assembly in accordance with an embodiment of the present invention;

FIG. 3 is a schematic structural view of a discharge assembly in accordance with an embodiment of the present invention;

FIG. 4 is a schematic diagram of an exploded view of a discharge assembly in accordance with an embodiment of the present invention;

fig. 5 is a schematic diagram of another exploded structure of a take-off assembly in accordance with an embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1, the present invention provides a printing and discharging apparatus, which includes: the fiber material cutting machine comprises a machine frame 100, a feeding assembly 200, a discharging assembly 300 and a material shearing assembly 400, wherein the machine frame 100 is used for supporting other assemblies, the feeding assembly 200 is used for drawing fiber materials, the discharging assembly 300 is used for hot-press forming of the materials, and the material shearing assembly 400 is arranged between the feeding assembly 200 and the discharging assembly 300 and used for cutting the fiber materials.

The frame 100 should have sufficient stability and structural strength to meet the requirements of supporting other components.

Referring to fig. 2, the feeding assembly 200 includes a driving wheel 210, a driven wheel 220 and a feeding driving member 230, the driving wheel 210 is rotatably mounted on the frame 100, an output end of the feeding driving member 230 is connected to the driving wheel 210 to drive the driving wheel 210 to rotate, the driven wheel 220 is rotatably mounted on the frame 100, and a squeezing gap is formed between a wheel surface of the driven wheel 220 and a wheel surface of the driving wheel 210. The fiber material is driven by the rotating driving wheel 210, so that the fiber material is pulled, and it is noted that the rotating direction of the driving wheel 210 determines the advancing direction of the fiber material.

The discharging assembly 300 comprises a guide pipe 310 and a hot pressing piece 320, wherein one end of the guide pipe 310 faces the extrusion gap, and the hot pressing piece 320 is arranged at the other end of the guide pipe 310 and is used for hot-pressing and shaping the fiber materials from the guide pipe 310.

Referring to fig. 3 to 5, in the embodiment, the thermal pressing member 320 includes a mounting base 321, a pressing motor 322, a connecting portion 323, and a thermal pressing wheel 324, the mounting base 321 is mounted on the guide tube 310, the mounting base 321 has a guide rod 321a, and one end of the connecting portion 323 is slidably sleeved on the guide rod 321 a. The pressing motor 322 is mounted on the mounting seat 321, a lead screw is formed at an output end of the pressing motor 322, the lead screw penetrates through the connecting portion 323, the hot pressing wheel 324 is rotatably mounted at the other end of the connecting portion 323, and the hot pressing wheel 324 is located at one end of the guide tube 310 far away from the extrusion gap. The screw rod is controlled to rotate by the pressing motor 322, so that the connecting part 323 can be driven to slide, the pressure applied by the hot pressing wheel 324 to the material can be adjusted, and it is easy to think that the hot pressing wheel 324 is provided with an electric heating element so as to melt the material.

Meanwhile, in order to guide the material discharged from the guide tube 310 to the hot pressing wheel 324 more accurately, a discharging nozzle 311 is formed at one end of the guide tube 310 away from the pressing gap. In order to ensure that the material does not overflow from the edge of the hot pressing wheel 324 during the process of pressing the molten material by the hot pressing wheel 324, the outer edge of the hot pressing wheel 324 extends to form a restraining plate 324 a.

In order to adjust the angle and orientation of the hot pressing wheel 324, the discharging assembly 300 further includes a rotary driving member 330, the mounting seat 321 is rotatably mounted on the guiding tube 310, and an output end of the rotary driving member 330 is connected to the mounting seat 321 to drive the mounting seat 321 to rotate.

In this embodiment, the rotary driving member 330 includes a first rotary gear 331, a second rotary gear 332, a rotary motor 333 and a rotary timing belt 334, the first rotary gear 331 is connected to the rotary shaft of the mounting base 321, the second rotary gear 332 is connected to the output end of the rotary motor 333, and the rotary timing belt 334 surrounds the first rotary gear 331 and the second rotary gear 332.

Referring to fig. 2 again, the cutting assembly 400, the cutting blade 410 and the cutting driving member 420, the cutting blade 410 is rotatably disposed at one end of the guiding tube 310 close to the extrusion gap, the cutting edge of the cutting blade 410 faces the fiber material, and the output end of the cutting driving member 420 is connected to the cutting blade 410 to drive the cutting blade 410 to rotate.

The material shearing driving member 420 comprises a material shearing motor 421, a first material shearing gear 422, a second material shearing gear 423 and a material shearing synchronous belt 424, the material shearing motor 421 is installed on the machine frame 100, the first material shearing gear 423 is installed at the output end of the material shearing motor 421, the second material shearing gear 423 is installed on the rotating shaft of the material shearing knife 410, and the material shearing synchronous belt 424 surrounds the first material shearing gear 422 and the second material shearing gear 423.

First, the fiber material is clamped in the extrusion gap, and the feeding driving member 230 drives the driving wheel 210 to rotate, thereby drawing the fiber material into the guiding tube 310. And the hot press 320 is disposed at the other end of the guide tube 310, and performs hot press setting on the fiber material from the guide tube 310. The cutting edge of the material shearing blade 410 faces the fiber material, and the material shearing blade 410 is rotatably mounted at one end of the guide tube 310 close to the extrusion gap, and the material shearing driving member 420 is used to drive the material shearing blade to rotate, so that the fiber material can be cut off. In the actual use, after enough fiber materials are taken, the fiber materials can be cut off by the material cutting assembly 400, and the fiber materials can be finished after the materials buffered in the guide pipe 310 are used up. The technical problem that the discharging device is blocked due to the fact that molten materials are condensed in the buffer cavity is solved.

The above-described embodiments of the present invention should not be construed as limiting the scope of the present invention. Any other corresponding changes and modifications made according to the technical idea of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A print outfeed device, comprising:

a frame;

2. The print discharging device according to claim 1, wherein the hot pressing member further comprises a mounting seat, a pressing motor and a connecting portion, the mounting seat is mounted on the guide tube, the mounting seat has a guide rod, one end of the connecting portion is slidably sleeved on the guide rod, the pressing motor is mounted on the mounting seat, an output end of the pressing motor forms a lead screw, the lead screw penetrates through the connecting portion, and the hot pressing wheel is rotatably mounted at the other end of the connecting portion.

3. The print discharging device according to claim 2, wherein the discharging assembly further comprises a rotary driving member, the mounting seat is rotatably mounted on the guide tube, and an output end of the rotary driving member is connected with the mounting seat to drive the mounting seat to rotate.

4. The print discharging device according to claim 3, wherein the rotary driving member comprises a first rotary gear, a second rotary gear, a rotary motor and a rotary synchronous belt, the first rotary gear is connected with the rotating shaft of the mounting seat, the second rotary gear is connected with the output end of the rotary motor, and the rotary synchronous belt surrounds the first rotary gear and the second rotary gear.

5. The print outfeed device of claim 1, further comprising a trim assembly comprising: cut the material sword and cut the material driving piece, cut the rotatable setting of material sword in the stand pipe is close to the one end in extrusion clearance, just cut the cutting edge of material sword towards the fibre material, cut the material driving piece output and connect cut the material sword, in order to drive cut the material sword and rotate.

6. The print discharging device according to claim 5, wherein the material shearing driving member comprises a material shearing motor, a first material shearing gear, a second material shearing gear and a material shearing synchronous belt, the material shearing motor is mounted on the frame, the first material shearing gear is mounted at an output end of the material shearing motor, the second material shearing gear is mounted on a rotating shaft of the material shearing knife, and the material shearing synchronous belt encircles the first material shearing gear and the second material shearing gear.

7. The print outfeed device of claim 1, wherein the hot pinch roller has an outer edge extending to form a constraining plate.

8. The print outfeed device of claim 1, wherein an end of said guide tube distal from said nip is formed with an outfeed nozzle.