CN209633779U - The 3D drawing pen of motor-driven fast advance and retreat material - Google Patents

Abstract

The utility model discloses a kind of 3D drawing pens of motor-driven fast advance and retreat material, belong to 3D technology field, specifically include PCB main board, heating device, feed pipe and driving device；Nib is extend out to outside a shell out of shell, and written extension end is a shell front end, is a shell rear end with front end opposite end, interconnecting piece between shell front and rear end is a shell side wall end, shell side wall end is equipped with feed inlet, and feed pipe one end is connected to feed inlet, and the other end is connected to written；By the way of side wall charging, shorten charging length of tube, when needing to exit consumptive material or replacement consumptive material in drawing, more convenient and quicker；Driving device is set to the close feed inlet end of feed pipe, and driving printing raw material is moved from feed inlet to nib, and heating device is set to the close pen tip of feed pipe, melts the printing raw material moved to written direction；PCB main board is connect with heating device and driving device respectively, controls the driving direction of driving device and the heating temperature of heating device；So that using more convenient.

Description

The 3D drawing pen of motor-driven fast advance and retreat material

Technical field

The utility model relates to 3D technology field more particularly to a kind of 3D drawing pens of motor-driven fast advance and retreat material.

Background technique

With the development of science and technology, 3D technology is gradually pursued by people, in the field 3D, 3D drawing pen is always one standby Welcome product, but traditional 3D drawing pen has many drawbacks；Since feed inlet is generally arranged at the bottom of pen, cause Charging and the material returned are slow, especially when exiting consumptive material or replacement consumptive material, more waste time.

Utility model content

Shortcoming present in view of the above technology, the utility model provide a kind of motor-driven fast advance and retreat material 3D drawing pen is shortened charging length of tube, is realized and shorten the material time of retreating by the way of side wall charging, needs to move back in drawing Out consumptive material or replacement consumptive material when, more convenient and quicker.

To achieve the above object, the utility model provides a kind of 3D drawing pen of motor-driven fast advance and retreat material, including Shell and nib, further include being placed in the intracorporal PCB main board of shell, heating device, feed pipe and driving device；

The nib is extend out to outside described shell out of described shell, and the written extension end is described shell front end, It is a shell rear end with the front end opposite end, the interconnecting piece between described shell front and rear end is a shell side wall end, the pen Shell side wall end is equipped with feed inlet, and described feed pipe one end is connected to the feed inlet, and the other end is connected to the nib；

The driving device is set to close the feed inlet end of the feed pipe, and driving prints raw material from the feed inlet to institute Written movement is stated, the heating device is set to the close pen tip of the feed pipe, melts and beats to what the written direction moved Print raw material；The PCB mainboard is connect with heating device and driving device respectively, is controlled the driving direction of driving device and is added The heating temperature of thermal.

Wherein, transition plates is additionally provided between the feed inlet and the feed pipe, the transition plates is equipped with deflector chute, described Deflector chute one end is connect with the feed inlet, and the other end is equipped with through-hole；The through-hole is opposite with the nozzle position of the feed pipe It answers, and the nozzle of the through-hole and the feed pipe is spaced apart from each other, the driving device is set to the interval, and driving printing is former Material is transported between feed pipe in the deflector chute to be moved.

Wherein, the driving device includes motor and driving wheel, and the interval is equipped with mounting hole, and the driving wheel is located at In the mounting hole；The motor drives the driving wheel rotation, the driving wheel edge and printing raw material phase mutual friction, drives Print raw material movement.

Wherein, the motor is electrically connected with the PCB main board, and described shell is equipped with control button, is sent out by control button Send control command to PCB main board, the PCB main board controls the motor and rotates forward, inverts or stop.

Wherein, the connecting pin of the deflector chute and the feed inlet be from outside described shell to the oblique of shell inner inclination Face.

Wherein, the nib include stretch out the front end of a shell, the rear end that is connect with the feed pipe and connect it is described before The middle-end at end and rear end, the heating device includes heating wire, and the heating wire is wrapped in positioned at the written middle-end；Printing is former Material flows out after the fusing of written middle-end from written front end.

Wherein, the heating device further includes thermistor, and the heating wire is electrically connected by thermistor and PCB main board It connects；The electrothermal calefactive rate of the thermistor detection heating wire, the shell are equipped with electrothermal calefactive rate regulating key, pass through electrothermal calefactive rate Regulating key controls the heating wire electrothermal calefactive rate.

The beneficial effects of the utility model are: compared with prior art, the utility model includes being placed in the intracorporal PCB of shell Mainboard, heating device, feed pipe and driving device；Nib is extend out to outside a shell out of shell, and written extension end is before shell End is a shell rear end with front end opposite end, and the interconnecting piece between shell front and rear end is a shell side wall end, and a shell side wall end is set There is feed inlet, feed pipe one end is connected to feed inlet, and the other end is connected to nib；By the way of side wall charging, shorten charging Length of tube is realized and shortens the material time of retreating, when needing to exit consumptive material or replacement consumptive material in drawing, more convenient and quicker；Driving Device is set to the close feed inlet end of feed pipe, and driving printing raw material is moved from feed inlet to nib, and heating device is set to charging The close pen tip of pipe melts the printing raw material moved to written direction；PCB main board connects with heating device and driving device respectively It connects, controls the driving direction of driving device and the heating temperature of heating device；By PCB main board control charging, the material returned and Heating speed, using more convenient.

Detailed description of the invention

Fig. 1 is the overall structure figure of the utility model；

Fig. 2 is inside the first viewing angle constructions figure of the utility model；

Fig. 3 is inside the first viewing angle constructions figure of the utility model.

Main element symbol description is as follows:

1, shell；2, pen tip；3, feed pipe；4, transition plates；5, driving device；6, PCB main board；11, feed inlet；12, it presses Key；21, pen tip front end；22, pen tip middle-end；23, pen tip rear end；41, deflector chute；42, inclined-plane；51, driving wheel；52, motor.

Specific embodiment

In order to more clearly state the utility model, the utility model is further described with reference to the accompanying drawing.

Please refer to Fig. 1-Fig. 3, a kind of 3D drawing pen of motor-driven fast advance and retreat material, including shell 1, nib, be placed in The intracorporal PCB main board 6 of shell, heating device, feed pipe 10 and driving device 5；Nib is extend out to outside a shell 1 out of shell 1, and pen Head extension end is 1 front end of a shell, is 1 rear end of a shell with front end opposite end, and the interconnecting piece between 1 front and rear end of shell is a shell 1 sidewall end, 1 sidewall end of shell are equipped with feed inlet 11, and 10 one end of feed pipe is connected to feed inlet 11, and the other end is connected to nib； Driving device 5 is set to 11 end of close feed inlet of feed pipe 10, and driving printing raw material is moved from feed inlet 11 to nib, heating dress It is arranged in 2 end of close pen tip of feed pipe 10, melts the printing raw material moved to written direction；PCB main board 6 respectively with heating Device and driving device 5 connect, and control the driving direction of driving device 5 and the heating temperature of heating device.

In the present embodiment, transition plates 4 is additionally provided between feed inlet 11 and feed pipe 10, transition plates 4 is equipped with deflector chute 4, 4 one end of deflector chute is connect with feed inlet 11, and the other end is equipped with through-hole；Through-hole is corresponding with the nozzle position of feed pipe, and through-hole Be spaced apart from each other with the nozzle of feed pipe, driving device 5 be set to interval, driving printing raw material deflector chute 4 be transported to feed pipe it Between move；Specifically, printing raw material is low temperature PCL consumptive material, diameter 1.73-1.77mm, the connection of deflector chute 4 and feed inlet 11 End for from outside shell 1 to the inclined-plane 42 of 1 inner inclination of shell；After printing raw material insertion material guide port, groove is stretched out along inclined-plane 42 In, it is then passed through through-hole and extend out to interval, driving device 5 works, and driving printing raw material moves in feed pipe, until moving to 2 end of pen tip；It is flowed out after heating device fusing printing raw material from pen tip 2, realizes 3D drawing；Whole process uses the side of side wall charging Formula shortens 10 length of feed pipe relative to endfeed after existing shell 1, retreats material faster, needs to exit consumption in drawing When material or replacement consumptive material, more convenient and quicker.

In a upper embodiment, driving device 5 includes motor 52 and driving wheel 51, and interval is equipped with mounting hole, driving wheel 51 are located in mounting hole；Motor 52 drives driving wheel 51 to rotate, and 51 edge of driving wheel and printing raw material phase mutual friction drive printing Raw material movement；It is also provided with multiple driving wheels between motor 52 and driving wheel 51, adjusts control motor by multiple driving wheels 52 with the rotating ratio of driving wheel 51；Wherein, motor 52 is electrically connected with PCB main board 6, and shell 1 is equipped with control button 12, passes through control Key 12 processed sends control command to PCB main board 6, and PCB main board 6 controls motor 52 and rotates forward, inverts or stop；Specific control Key 12, including feeding key and blanking key；Press feeding key, motor 52 rotates forward, and driving wheel 51 rotates forward, and drives printing raw material to leaning on 2 end motion of nearly pen tip；Blanking key is pressed, motor 52 inverts, and driving wheel 51 inverts, and printing raw material is driven to transport to far from 2 end of pen tip It is dynamic.

In a upper embodiment, nib includes before stretching out front end, the rear end connecting with feed pipe 10 and the connection of a shell 1 The middle-end at end and rear end, heating device includes heating wire, and heating wire is wrapped in positioned at pen tip middle-end 22；Raw material is printed in pen tip After 22 fusing of end, flowed out from pen tip front end 21；Wherein, heating device further includes thermistor, heating wire by thermistor with PCB main board 6 is electrically connected；Thermistor detects the electrothermal calefactive rate of heating wire, and shell is equipped with electrothermal calefactive rate regulating key 12, passes through hair Thermal velocity regulating key 12 controls heating wire electrothermal calefactive rate；The electric current of heating wire is wherein flowed through by thermistor detection, thus Obtain the electrothermal calefactive rate of heating wire；Specific there are three types of heating modes, and after selecting glow mode, the electrothermal calefactive rate of heating wire is corresponding Variation；Printing raw material is melted, and after the outflow of pen tip 2, and motor 52 continues to press on printing raw material to close to 2 end motion of pen tip.

The advantage of the utility model is:

1, nib is extend out to outside a shell out of shell, and written extension end is a shell front end, is a shell with front end opposite end Rear end, the interconnecting piece between shell front and rear end are a shell side wall end, and shell side wall end is equipped with feed inlet, feed pipe one end with Feed inlet connection, the other end are connected to nib；By the way of side wall charging, shortens charging length of tube, realize and shorten material of retreating Time, when needing to exit consumptive material or replacement consumptive material in drawing, more convenient and quicker；

2, driving device is set to the close feed inlet end of feed pipe, and driving printing raw material moves from feed inlet to nib, adds Thermal is set to the close pen tip of feed pipe, melts the printing raw material moved to written direction；PCB main board is filled with heating respectively It sets and is connected with driving device, control the driving direction of driving device and the heating temperature of heating device；It is controlled by PCB main board Charging, the material returned and heating speed, using more convenient.

Disclosed above is only several specific embodiments of the utility model, but the utility model is not limited to this, The changes that any person skilled in the art can think of should all fall into the protection scope of the utility model.

Claims (7)

1. a kind of 3D drawing pen of motor-driven fast advance and retreat material, including shell and nib, which is characterized in that further include accommodating In the intracorporal PCB main board of shell, heating device, feed pipe and driving device；The nib extend out to the pen out of described shell Outside shell, and the written extension end is described shell front end, is a shell rear end with the front end opposite end, described shell front end with Interconnecting piece between rear end is a shell side wall end, and described shell side wall end is equipped with feed inlet, described feed pipe one end and it is described into Material mouth connection, the other end are connected to the nib；

The driving device is set to close the feed inlet end of the feed pipe, and driving prints raw material from the feed inlet to the pen Head movement, the heating device are set to the close pen tip of the feed pipe, and it is former to melt the printing moved to the written direction Material；The PCB main board is connect with heating device and driving device respectively, controls the driving direction and heating device of driving device Heating temperature.

2. the 3D drawing pen of motor-driven fast advance and retreat material according to claim 1, which is characterized in that the feed inlet Transition plates is additionally provided between the feed pipe, the transition plates is equipped with deflector chute, described deflector chute one end and the feed inlet Connection, the other end are equipped with through-hole；The through-hole is corresponding with the nozzle position of the feed pipe, and the through-hole and the charging The nozzle of pipe is spaced apart from each other, and the driving device is set to the interval, and driving printing raw material is transported to charging in the deflector chute It is moved between pipe.

3. the 3D drawing pen of motor-driven fast advance and retreat material according to claim 2, which is characterized in that the driving dress It sets including motor and driving wheel, the interval is equipped with mounting hole, and the driving wheel is located in the mounting hole；The motor band The driving wheel rotation, the driving wheel edge and printing raw material phase mutual friction are moved, printing raw material movement is driven.

4. the 3D drawing pen of motor-driven fast advance and retreat material according to claim 2, which is characterized in that the motor with The PCB main board electrical connection, described shell are equipped with control button, described by control button transmission control command to PCB main board PCB main board controls the motor and rotates forward, inverts or stop.

5. the 3D drawing pen of motor-driven fast advance and retreat material according to claim 2, which is characterized in that the deflector chute With the connecting pin of the feed inlet be from outside described shell to an inclined-plane for shell inner inclination.

6. the 3D drawing pen of motor-driven fast advance and retreat material according to claim 1, which is characterized in that the nib packet Include the middle-end of the front end for stretching out a shell, the rear end connecting with the feed pipe and the connection front-end and back-end, the heating Device includes heating wire, and the heating wire is wrapped in positioned at the written middle-end；Raw material is printed after the fusing of written middle-end, from pen The outflow of head front end.

7. the 3D drawing pen of motor-driven fast advance and retreat material according to claim 6, which is characterized in that the heating dress Setting further includes thermistor, and the heating wire is electrically connected by thermistor with PCB main board；The thermistor detects heating wire Electrothermal calefactive rate, the shell is equipped with electrothermal calefactive rate regulating key, by electrothermal calefactive rate regulating key, controls the heating wire hair Thermal velocity.