CN213593641U

CN213593641U - 3D prints ejection of compact machine

Info

Publication number: CN213593641U
Application number: CN202022145099.8U
Authority: CN
Inventors: 崔坤腾; 张帆; 涂一文; 张俊; 赵圆圆
Original assignee: Wuhan Luran Technology Co Ltd
Current assignee: Wuhan Luran Technology Co Ltd
Priority date: 2020-09-25
Filing date: 2020-09-25
Publication date: 2021-07-02
Anticipated expiration: 2030-09-25

Abstract

The utility model discloses a 3D prints out machine, it includes: the discharging barrel is provided with a feeding hole at one end and a discharging hole at the other end; the pushing assembly comprises a rotating shaft, a blade and a driving piece, the rotating shaft is coaxially arranged in the discharging barrel, the blade is in a spiral shape, the inner edge of the blade is connected with the rotating shaft, the outer edge of the blade is close to the inner wall of the discharging barrel, and the blade and the inner wall of the discharging barrel form a spiral channel; and the heating part of the heating component is arranged on the outer wall of the discharging barrel. Firstly, the material is put into the feeding hole, the heating component heats the material in the spiral channel, so that the material is gradually melted in the advancing process in the spiral channel, and finally the melted material is discharged from the discharging hole. Therefore, all materials can be heated for the same time at the same temperature only by keeping the heating temperature of the heating assembly unchanged and keeping the output rotating speed of the driving piece stable, and the flowability of the materials discharged from the discharge port is ensured to be unchanged all the time, so that the processing quality of 3D printing is improved.

Description

3D prints ejection of compact machine

Technical Field

The utility model relates to the field of mechanical equipment, concretely relates to 3D prints out machine.

Background

3D printing is a new processing technology, is suitable for processing parts with complex shapes, is widely applied to various fields, and has great development potential.

The existing 3D printer generally puts the molten material into an injector, and then pushes an injector push rod to extrude, print and form by a driving motor. During the buffer storage of the molten material in the injector, the material is gradually cooled, so that the fluidity of the material is gradually lowered, and the fluidity of the extruded material is inconsistent.

Therefore, when the material fluidity is too low, the material is difficult to extrude and discharge from the injector, and when the material fluidity is too high, the material cannot be rapidly cooled and formed in the printing process, so that the printing model collapses, and the processing quality of 3D printing is further influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome above-mentioned technique not enough, provide a 3D prints out of material machine, solve among the prior art 3D and print out of material machine exhaust material mobility around inconsistent technical problem.

In order to achieve the technical purpose, the technical scheme of the utility model provide a 3D prints out machine, it includes:

the discharging barrel is provided with a feeding hole at one end and a discharging hole at the other end;

the pushing assembly comprises a rotating shaft, a blade and a driving piece, the rotating shaft is coaxially arranged in the discharging barrel, the blade is in a spiral shape, the inner edge of the blade is connected with the rotating shaft, the outer edge of the blade is close to the inner wall of the discharging barrel, and the blade and the inner wall of the discharging barrel form a spiral channel;

and the heating part of the heating component is arranged on the outer wall of the discharging barrel.

Furthermore, the heating assembly comprises a plurality of electric heating films, the electric heating films are attached to the outer wall of the discharge cylinder, and the electric heating films are arranged along the bus direction of the discharge cylinder.

Further, the heating assembly further comprises a plurality of rotating shaft temperature sensors, the rotating shaft temperature sensors are embedded in the rotating shaft, and the rotating shaft temperature sensors are arranged along the axis direction of the rotating shaft.

Furthermore, the heating assembly further comprises an electric brush, a wire outlet is formed in one end, far away from the discharge port, of the rotating shaft, and the electric brush is sleeved at one end, provided with the wire outlet, of the rotating shaft.

Furthermore, the heating assembly further comprises a heat-insulating film, and the heat-insulating film is coated on the periphery of the discharging barrel.

Furthermore, the heating assembly further comprises a plurality of outer wall temperature sensors, the outer wall temperature sensors are in one-to-one correspondence with the electric heating films, and the outer wall temperature sensors are arranged between the electric heating films and the discharge barrel.

Further, the feed inlet is funnel-shaped.

Further, the discharge port has a pointed portion.

Compared with the prior art, the beneficial effects of the utility model include: at first put in the material to the feed inlet, then under the drive of driving piece, the pivot drives the blade and rotates, and then promotes the material and marchs in helical channel, and heating unit's heating portion sets up in the outer wall of play feed cylinder, and the heat is through the transmission of play feed cylinder, and then the material in the heating helical channel, makes the material progressively melt at the in-process of marcing in helical channel, and the material that will melt finally is discharged from the discharge gate. Therefore, all materials can be heated for the same time at the same temperature only by keeping the heating temperature of the heating assembly unchanged and keeping the output rotating speed of the driving piece stable, and the flowability of the materials discharged from the discharge port is ensured to be unchanged all the time, so that the processing quality of 3D printing is improved.

Drawings

Fig. 1 is the utility model discloses 3D prints out machine's schematic structure diagram.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in 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.

Please refer to fig. 1, the utility model provides a 3D prints out material machine, it includes: the material pushing device comprises a discharge barrel 100, a material pushing assembly 200 and a heating assembly 300, wherein the discharge barrel 100 is used for loading other assemblies, the material pushing assembly 200 partially extends into the discharge barrel 100 to push materials in the discharge barrel 100, and the heating assembly 300 is used for heating the materials in the discharge barrel 100 so as to melt the materials in the discharge barrel 100.

The discharging barrel 100 has a feeding hole 110 at one end and a discharging hole 120 at the other end, in this embodiment, the discharging barrel 100 is preferably made of stainless steel, it should be noted that, on the one hand, the discharging barrel 100 needs to have sufficient corrosion resistance to avoid chemical reaction with the molten material, and at the same time, it should have good thermal conductivity to heat the material after the heat generated by the heating assembly 300 is conducted by the discharging barrel 100.

In addition, the feed inlet 110 is funnel-shaped for feeding materials. To facilitate control of the flow rate of the discharge, the discharge port 120 has a pointed portion.

The pushing assembly 200 comprises a rotating shaft 210, a blade 220 and a driving member 230, the rotating shaft 210 is coaxially arranged in the discharging barrel 100, the blade 220 is in a spiral shape, the inner edge of the blade 220 is connected with the rotating shaft 210, the outer edge of the blade 220 is close to the inner wall of the discharging barrel 100, and the blade 220 and the inner wall of the discharging barrel 100 form a spiral channel. In this embodiment, the driving member 230 is preferably a motor, and an output shaft of the motor is directly connected to the rotating shaft 210 by a coupling. Obviously, the transmission connection between the motor and the rotating shaft 210 can also be realized by means of gear transmission, synchronous belt transmission and the like according to actual installation conditions.

The heating assembly 300 includes a plurality of electric heating films 310, a plurality of rotation shaft sensors 320, a brush 330, and a heat insulating film 340. The electrothermal films 310 are attached to the outer wall of the discharge barrel 100, and the electrothermal films 310 are arranged along the bus direction of the discharge barrel 100. In this way, each of the electrothermal films 310 can be set to different temperatures, so that the temperature of the material in the discharge tube 100 can be more finely controlled.

The rotating shaft temperature sensor 320 is embedded in the rotating shaft 210, and the plurality of rotating shaft sensors 320 are arranged along the axial direction of the rotating shaft 210. The temperature of the material in the discharge tube 100 can be detected by the rotating shaft temperature sensor 320, and the plurality of rotating shaft sensors 320 are arranged along the axial direction of the rotating shaft 210, so that the temperature of the material at each part in the discharge tube 100 can be detected.

Because the rotating shaft 210 rotates continuously, in order to transmit the electrical signal fed back by the rotating shaft sensor 320, a wire outlet 211 is formed at one end of the rotating shaft 210 away from the material outlet 120, and the brush 330 is sleeved at one end of the rotating shaft where the wire outlet 211 is formed. The terminal of the signal line of the rotation shaft temperature sensor 320 is disposed at the appearance opening 211, and the terminal of the signal line is engaged with the brush 330, thereby completing the signal transmission of the rotation shaft temperature sensor 320.

Because the material in the play feed cylinder 100 can be via the play feed cylinder 100 to the external heat dissipation to the loss of heat energy has been caused, consequently add heat preservation membrane 340, heat preservation membrane 340 cladding is in play feed cylinder 100 periphery, and heat preservation membrane 340 should adopt thermal insulation material to make, and then reduces the heat energy loss.

The heating assembly 300 further comprises a plurality of outer wall temperature sensors 350, the outer wall temperature sensors 350 correspond to the electrothermal films 310 one by one, and the outer wall temperature sensors 350 are arranged between the electrothermal films 310 and the discharge barrel 100, so as to detect and feed back the temperature of each electrothermal film 310.

It should be noted that the rotation shaft sensor 320 and the outer wall temperature sensor 350 are arranged to detect the material temperature inside the charging barrel 100 and the temperature of the electrothermal film 310, respectively, so as to control the heating power of the electrothermal film 310 according to the feedback information and further adjust the fluidity of the discharged material. Here, the basic electric control technology is applied to electric cookers, thermostats and other products, and is widely used, so that a series of electric control elements such as controllers are omitted here, and the control method for the electric heating film 310 according to the feedback signal is also omitted and is not described in detail. The utility model discloses only protect pivot sensor 320 and outer wall temperature sensor 350 and be in the utility model provides a 3D prints the mounting means in the ejection of compact machine.

Firstly, the material is put into the feeding hole 110, then under the driving of the driving part 230, the rotating shaft 210 drives the blade 220 to rotate, so as to push the material to advance in the spiral channel, the heating part of the heating component 300 is arranged on the outer wall of the discharging barrel 100, the heat is transmitted through the discharging barrel 100, so as to heat the material in the spiral channel, so that the material is gradually melted in the advancing process in the spiral channel, and finally the melted material is discharged from the discharging hole 120. Therefore, all the materials can be heated at the same temperature for the same time only by keeping the heating temperature of the heating assembly 300 unchanged and keeping the output rotation speed of the driving member 230 stable, and the flowability of the materials discharged from the discharge port 120 can be ensured to be unchanged all the time, thereby being beneficial to improving the processing quality of 3D printing.

The above description of the present invention does not limit 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 scope of the claims of the present invention.

Claims

1. The utility model provides a 3D prints out machine which characterized in that includes:

2. The 3D printing discharging machine according to claim 1, wherein the heating assembly comprises a plurality of electrothermal films, the electrothermal films are attached to the outer wall of the discharging barrel, and the electrothermal films are arranged along the direction of a bus of the discharging barrel.

3. The 3D printing discharging machine according to claim 2, wherein the heating assembly further comprises a plurality of rotating shaft temperature sensors, the rotating shaft temperature sensors are embedded in the rotating shaft, and the plurality of rotating shaft temperature sensors are arranged along the axial direction of the rotating shaft.

4. The 3D printing discharging machine according to claim 3, wherein the heating assembly further comprises an electric brush, a wire outlet is formed in one end, away from the discharging port, of the rotating shaft, and the electric brush is sleeved on one end, provided with the wire outlet, of the rotating shaft.

5. The 3D printing and discharging machine according to claim 1, wherein the heating assembly further comprises a heat-insulating film, and the heat-insulating film is wrapped on the periphery of the discharging cylinder.

6. The 3D printing discharging machine according to claim 2, wherein the heating assembly further comprises a plurality of outer wall temperature sensors, the outer wall temperature sensors are in one-to-one correspondence with the electric heating films, and the outer wall temperature sensors are arranged between the electric heating films and the discharging barrel.

7. The 3D printing discharge machine according to claim 1, wherein the feed inlet is funnel-shaped.

8. The 3D printing outfeed machine of claim 1, wherein the outfeed has a pointed portion.