CN215320667U

CN215320667U - 3D printing nozzle with cooling system and self-radiating 3D printer

Info

Publication number: CN215320667U
Application number: CN202120288248.8U
Authority: CN
Inventors: 魏华; 李小东; 黄红波; 黄子文; 黄红霞; 朱素珍
Original assignee: Guangzhou Fushi Technology Co ltd; Dongguan Polytechnic
Current assignee: Guangzhou Fushi Technology Co ltd; Dongguan Polytechnic
Priority date: 2021-02-01
Filing date: 2021-02-01
Publication date: 2021-12-28
Anticipated expiration: 2031-02-01

Abstract

The utility model relates to the technical field of 3D printers, in particular to a 3D printing spray head with a cooling system and a self-radiating 3D printer, wherein the 3D printing spray head with the cooling system comprises a spray head body with a nozzle, a liquid condensing device is fixedly arranged on the spray head body close to the nozzle end, a gas condensing device is movably arranged on the spray head body far away from the nozzle end, and the gas condensing device can move back and forth on the spray head body and can be sleeved outside the liquid condensing device. The utility model provides a 3D printing nozzle capable of cooling by two modes of liquid cooling and air cooling simultaneously, a gas cooling device can move according to the position of the nozzle, the cooling requirements of different positions on the nozzle can be met, the nozzle or the throat on the nozzle can be cooled, and when the temperature of the nozzle is too high, the cooling device at the throat can be temporarily called to locally cool the nozzle, so that the cooling speed is accelerated, and the cooling efficiency is improved.

Description

3D printing nozzle with cooling system and self-radiating 3D printer

Technical Field

The utility model relates to the technical field of 3D printers, in particular to a 3D printing nozzle with a cooling system and a self-radiating 3D printer.

Background

The 3D printer heats the solid material in the spray head to a molten state, and then the solid material is extruded through the nozzle, so that the effect of solidification and printing layer by layer is achieved, the use efficiency and the use effect of the 3D printer are easily affected due to the overhigh temperature of the spray head, and other components are also dissolved and burnt out; and the cooling device arranged on the general printing spray head can only cool the position close to the nozzle, and neglects the cooling of the position close to the throat at the end far away from the nozzle on the spray head, so that the temperature at the throat is easily overhigh, and the material in a molten state flows back to cause the blockage of a feed inlet.

Chinese patent CN210257281U discloses a liquid cooling radiator for a 3D printer nozzle, which utilizes a heat dissipation pipeline to dissipate heat from the printer nozzle, but cannot achieve the purpose of rapid heat dissipation and cooling only by using the liquid cooling.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art, and provides a 3D printing nozzle which can be cooled by two modes of liquid cooling and air cooling simultaneously, a gas cooling device can move according to the position required, the cooling requirements of different positions on the nozzle can be met, the nozzle or the throat on the nozzle can be cooled, and when the temperature of the nozzle is too high, the cooling device at the throat can be temporarily called to locally cool the nozzle, so that the cooling speed is accelerated, and the cooling efficiency is improved.

In order to solve the technical problems, the utility model adopts the technical scheme that:

the utility model provides a take cooling system's 3D to print shower nozzle, includes the shower nozzle body of taking the nozzle the shower nozzle body is close to the nozzle end fixed liquid condensing equipment that is equipped with the shower nozzle body is kept away from the nozzle end activity and is equipped with gaseous condensing equipment, gaseous condensing equipment can round trip movement on the shower nozzle body and can cup joint outside the liquid condensing equipment.

The nozzle body is used for heating solid materials and enabling the materials to be sprayed out from the nozzle to realize 3D printing; one end of the nozzle body is a nozzle end, and the other end of the nozzle body is a throat end; the liquid condensing device is used for realizing heat dissipation and cooling of the spray head body close to the nozzle end in a liquid cooling mode, reducing the temperature, avoiding overhigh temperature of the nozzle end of the spray head body and shortening the service life of parts, and on the other hand, avoiding overhigh temperature of a molten material, and being difficult to cool and solidify after being sprayed out from the nozzle; the gas condensing device cools by spraying cold air; the liquid condensing device is fixedly arranged on the spray head body and is close to the spray nozzle end, large-area normal cooling can be realized, the gas condensing device is movably connected with the spray head body, the gas condensing device can move back and forth on the spray head body, and different positions of the spray head body can be cooled, moreover, the liquid condensing device is used as a main cooling device, the gas condensing device is used as an auxiliary cooling device, when the temperature of the position close to the spray nozzle on the spray head body is higher than the set temperature, the gas condensing device can be moved to be sleeved outside the liquid condensing device to carry out accelerated cooling, and under the normal condition, the gas condensing device can be placed at one end of the spray head body, which is far away from the spray nozzle, namely, above the liquid condensing device, the throat position of the spray head body, which is close to the feed inlet, is cooled, therefore, the temperature on the spray head body can slowly drop from the spray nozzle to the feed inlet, the sudden heating or quenching of the material is avoided from influencing the performance of the material, and the smooth transition from the solid state to the molten state can be realized from the material inlet to the nozzle.

Preferably, the gas condensing device comprises a cooling box, an inner layer gas condensing unit and an outer layer gas condensing unit which is movably sleeved outside the inner layer gas condensing unit and can move back and forth on the inner layer gas condensing unit, the inner layer gas condensing unit and the outer layer gas condensing unit are both communicated with the cooling box, and the inner layer gas condensing unit is sleeved outside the spray head body.

Preferably, the inner layer gas condensation unit and the outer layer gas condensation unit are both provided with a plurality of gas injection pipelines, the gas injection pipelines are communicated with the cooling box, and the gas injection pipelines are both provided with a plurality of gas injection holes.

Preferably, the gas injection hole is arranged at one end of the gas injection pipeline close to the spray head body.

Preferably, the gas injection pipeline is a serpentine pipeline and is wound along the circumferential direction or the axial direction of the inner layer gas condensation unit.

Preferably, the shower nozzle body with all be equipped with the spout on the outer gaseous condensation unit still be equipped with a plurality of pulleys on the gaseous condensation unit of inlayer, the pulley is including locating the inboard and being used for making of the gaseous condensation unit of inlayer is in gliding first pulley on the shower nozzle body, and locate the gaseous condensation unit of inlayer outside and being used for making outer gaseous condensation unit is in gliding second pulley on the gaseous condensation unit of inlayer still be equipped with on the spout and be used for making first pulley with the locking device of second pulley fastening.

Preferably, the liquid condensing device comprises a liquid pipeline and a cooling pool, wherein two ends of the liquid pipeline are respectively connected with two ends of the cooling pool, and the liquid pipeline is coiled and wound on the spray head body.

Preferably, the refrigeration system further comprises a plurality of temperature sensors, a controller for controlling the temperature of the gas condensation device and/or the liquid condensation device, a driving device for driving the gas condensation device to act, and a cooling device for refrigerating; the controller is electrically connected with the temperature sensor, the cooling device and the driving device, the gas condensing device is respectively connected with the driving device and the cooling device, and the cooling device is connected with the liquid condensing device.

Preferably, the plurality of temperature sensors comprise a first temperature sensor arranged on the spray head body, a second temperature sensor arranged in the cooling box and a third temperature sensor arranged in the cooling pool; the first temperature sensor, the second temperature sensor and the third temperature sensor are all electrically connected with the controller.

Preferably, the system comprises a software module, an electronic module and a mechanical module, wherein the electronic module is electrically connected with the software module and the mechanical module respectively; the mechanical module comprises a box body, a 3D printing nozzle with a cooling system, a support, a workbench, a synchronizing wheel and a motor, wherein the 3D printing nozzle with the cooling system is arranged in the box body, the support is used for supporting the 3D printing nozzle with the cooling system, the workbench is used for placing printed articles, the synchronizing wheel is used for enabling the workbench to move, the motor is used for driving the 3D printing nozzle with the cooling system and the synchronizing wheel, one end of the support is connected with the 3D printing nozzle with the cooling system, the other end of the support is connected with the workbench, the synchronizing wheel is connected with the workbench, and the motor is respectively connected with the 3D printing nozzle with the cooling system and the synchronizing wheel.

Compared with the prior art, the utility model has the beneficial effects that:

utilize the cooling of the different positions of liquid cooling and two kinds of cooling methods of gas cooling to realize shower nozzle main part jointly, and can realize when local high temperature in the shower nozzle main part through outer gas condensation unit and the removal of inlayer gas condensation unit in the shower nozzle main part, carry out rapid cooling through triple cooling device, and can detect the temperature of different positions in the shower nozzle main part according to the temperature-sensing ware and realize adopting the coolant liquid and the air conditioning of different temperatures to reduce the shower nozzle main part, can reach energy-efficient purpose, realize the smooth printing of 3D printer, it is high to have the precision, print effectual advantage, and have longer life.

Drawings

FIG. 1 is a structural diagram of a 3D printing nozzle with a cooling system according to a first state of the utility model;

FIG. 2 is a structural diagram of a 3D printing nozzle with a cooling system in a second state according to the present invention;

FIG. 3 is a schematic diagram of a gas condensing unit;

FIG. 4 is a schematic structural diagram of a self-cooling 3D printer according to the present invention;

the graphic symbols are illustrated as follows:

1. a nozzle body; 11. a nozzle; 12. a feed inlet; 2. a liquid condensing device; 21. a liquid conduit; 3. a gas condensing unit; 31. a cooling tank; 32. an inner layer gas condensing unit; 33. an outer layer gas condensing unit; 34. an air injection pipeline; 35. a chute; 36. a pulley; 361. a first pulley; 362. a second pulley; 101. the 3D printing nozzle is provided with a cooling system; 102. and (4) a box body.

Detailed Description

The present invention will be further described with reference to the following embodiments. Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, but it is not intended to indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms may be understood by those skilled in the art according to specific circumstances.

Example 1

Fig. 1 to 3 show an embodiment of a 3D printing head with a cooling system according to the present invention, which includes a head body 1 with a nozzle 11, a liquid condensing device 2 is fixed at a position of the head body 1 close to the nozzle 11, a gas condensing device 3 is movably disposed at a position of the head body 1 far from the nozzle 11, and the gas condensing device 3 can move back and forth on the head body 1 and can be sleeved outside the liquid condensing device 2.

As an embodiment of the present invention, the gas condensing device 3 includes a cooling tank 31, an inner layer gas condensing unit 32, and an outer layer gas condensing unit 33 movably sleeved outside the inner layer gas condensing unit 32 and capable of moving back and forth on the inner layer gas condensing unit 32, wherein both the inner layer gas condensing unit 32 and the outer layer gas condensing unit 33 are communicated with the cooling tank 31, and the inner layer gas condensing unit 32 is sleeved outside the showerhead body 1.

The cooling box 31 is used for cooling gas, the inner layer gas condensation unit 32 and the outer layer gas condensation unit 33 both realize the purpose of cooling by spraying gas with low temperature, under the normal condition, the inner layer gas condensation unit 32 is sleeved outside the spray head main body and is placed above the liquid condensation device 2 to realize the cooling of the middle part and the upper part of the spray head main body, and the outer layer gas condensation unit 33 can be sleeved outside the inner layer gas condensation unit 32 and jointly cool the middle part and the upper part of the spray head main body with the inner side gas condensation unit according to the temperature of different positions on the spray head main body, and can also be sleeved outside the liquid condensation device 2 to realize the cooling of the lower part of the spray head main body, namely the part close to the spray nozzle 11; the inner layer gas condensation unit 32 is movably sleeved with the outer layer gas condensation unit 33, so that the outer layer gas condensation unit 33 can move flexibly, different positions on the spray head main body can be cooled conveniently as required, and the purpose of improving the cooling rate is achieved. The inner layer gas condensation unit 32 is movably connected with the spray head main body, so that the inner layer gas condensation unit 32 can move on the spray head main body, generally, the temperature of the position closer to the spray nozzle 11 is higher, and under an extreme state, three cooling devices can be simultaneously arranged on the spray head main body close to the spray nozzle 11, and the liquid cooling devices, the inner layer gas condensation unit 32 and the outer layer gas condensation unit 33 respectively cool the end of the spray head main body close to the spray nozzle 11 from inside to outside, so that the spray head main body is cooled rapidly and efficiently; the inner layer gas condensation unit 32 and the outer layer gas condensation unit 33 may share one cooling tank 31.

In one embodiment of the present invention, each of the inner layer gas condensation unit 32 and the outer layer gas condensation unit 33 is provided with a plurality of gas injection pipes 34, the gas injection pipes 34 communicate with the cooling box 31, and each of the gas injection pipes 34 is provided with a plurality of gas injection holes.

The cold air in the cooling box 31 enters the inner layer gas condensation unit 32 and the outer layer gas condensation unit 33 through the air injection pipeline 34 respectively, and is sprayed out through the air injection holes as the using principle of an air conditioner is common, and the shower head body is cooled by injecting the cold air to the shower head body.

As one embodiment of the present invention, the gas ejection hole is provided on the gas ejection pipe 34 near one end of the head body 1.

The fumarole on the gas injection pipeline 34 of the inner layer gas condensation unit 32 and the fumarole on the gas injection pipeline 34 of the outer layer gas condensation unit 33 are both arranged at one end close to the spray head body 1, so that the sprayed cold air can directly or more quickly act on the gas injection main body, and the cooling effect is improved. Preferably, the aperture of the gas injection hole is 2-3 mm, so that the sprayed gas can be concentrated, and the spraying distance is longer; the cooling effect is improved.

In one embodiment of the present invention, the gas injection pipe 34 is a serpentine pipe wound in a circumferential direction or an axial direction of the inner layer gas condensation unit 32.

The serpentine pipeline can increase the contact area of air injection and improve the cooling effect; and the pipeline winding can be more space-saving, and mess and no seal can be avoided.

In one embodiment of the present invention, the showerhead body 1 and the outer layer gas condensing unit 33 are provided with a slide groove 35, the inner layer gas condensing unit 32 is further provided with a plurality of pulleys 36, the pulleys 36 include a first pulley 361 provided inside the inner layer gas condensing unit 32 and used for sliding the inner layer gas condensing unit 32 on the showerhead body 1, and a second pulley 362 provided outside the inner layer gas condensing unit 32 and used for sliding the outer layer gas condensing unit 33 on the inner layer gas condensing unit 32, and the slide groove 35 is further provided with a locking device used for fastening the first pulley 361 and the second pulley 362.

The sliding groove 35 is matched with the pulley 36, specifically, the sliding groove 35 on the spray head body 1 is matched with the first pulley 361, so that the inner layer gas condensation unit 32 slides back and forth on the spray head main body; the sliding groove 35 on the outer layer gas condensation unit 33 is matched with the second pulley 362 to realize the back-and-forth sliding of the outer layer gas condensation unit 33 on the inner layer gas condensation unit 32; the locking device is used for locking the first pulley 361 and the second pulley 362, the inner layer gas condensation unit 32 and the outer layer gas condensation unit 33 are locked by the locking device after being adjusted to proper positions, the inner layer gas condensation unit 32 can be fixed on the sprayer body 1 and the outer layer gas condensation unit 33 is fixed on the inner layer gas condensation unit 32, then the local cooling effect of the sprayer body is increased, and the cooling speed is increased.

As an embodiment of the present invention, the liquid condensing device 2 includes a liquid pipe 21 and a cooling pool, two ends of the liquid pipe 21 are respectively connected to two ends of the cooling pool, and the liquid pipe 21 is serpentine and wound on the head body 1.

The cooling tank is used for cooling the cooling liquid, the cooling pipeline is used for allowing the cooling liquid to flow, and the heat dissipation and cooling of the spray head main body are realized through the continuous flow of the cooling liquid; the liquid pipeline 21 arranged in a snake shape can increase the contact area of the pipeline and the spray head main body and improve the cooling effect.

As an embodiment of the present invention, the present invention further comprises a plurality of temperature sensors, a controller for controlling the temperature of the gas condensing device 3 and/or the liquid condensing device 2, a driving device for driving the gas condensing device 3 to operate, and a cooling device for cooling; the controller is electrically connected with the temperature sensor, the cooling device and the driving device, the gas condensing device 3 is respectively connected with the driving device and the cooling device, and the cooling device is connected with the liquid condensing device 2.

The temperature sensor is used for detecting the temperature of different positions on the spray head main body, the controller is used for respectively controlling the cooling temperature and the opening and closing conditions of the gas condensing device 3 and/or the liquid condensing device 2, and the cooling device is used for enabling the gas condensing device 3 and/or the liquid condensing device 2 to provide cooling power to realize air cooling and liquid cooling; the driving device is used for driving the gas condensing device 3 to move, and specifically, the driving device drives the inner layer gas condensing unit 32 to move back and forth on the spray head main body and drives the outer layer gas condensing unit 33 to move back and forth on the inner layer gas condensing unit 32. The controller can be to the temperature of the different positions in the shower nozzle main part that temperature-sensing ware detected, carry out the removal of position specifically including the removal of outer gaseous condensing unit 33 and the gaseous condensing unit 32 position of inlayer to gas condensing equipment 3, and outer gaseous condensing unit 33, the gaseous temperature of inlayer gaseous condensing unit 32 blowout is regulated and control, the temperature to the liquid in the liquid condensing equipment 2 is regulated and control in addition, can satisfy the demand of rapid cooling on the one hand, on the other hand can realize energy saving and emission reduction, the principle similar to variable frequency air conditioner is general, realize frequency regulation and control.

As an embodiment of the present invention, the plurality of temperature sensors include a first temperature sensor disposed on the head body 1, a second temperature sensor disposed in the cooling tank 31; and the third temperature sensor is arranged in the cooling pool, and the first temperature sensor, the second temperature sensor and the third temperature sensor are all electrically connected with the controller.

The first temperature sensor is used for detecting the temperature on the spray head body 1, and specifically, the first temperature sensor can further comprise a first temperature control unit for detecting the end, close to the nozzle 11, of the spray head body 1 and a second temperature control unit for detecting the end, close to the feed port 12, of the spray head body 1; the second temperature-sensing ware is used for surveying the temperature in the cooling tank 31, and the third temperature-sensing ware is used for surveying the temperature in the cooling bath, and these temperature-sensing wares all are connected with the control electricity, feed back the temperature that will detect to the controller, and the controller instructs drive arrangement, cooling device according to the temperature, realizes the removal of the cooling regulation and control of different power and inlayer gas condensing unit 32 and outer gas condensing unit 33 position.

As an embodiment of the present invention, the cooling tank is disposed in the cooling tank 31, on one hand, the cooling tank 31 can perform a cooling function on the cooling tank, on the other hand, the occupied space can be saved, and the cooling device is common to the liquid cooling device and the gas cooling device, and can be conveniently connected.

Example 2

Fig. 4 shows an embodiment of a self-heat-dissipating 3D printer according to the present invention, which is similar to embodiment 1, but includes a software module, an electronic module, and a mechanical module, wherein the electronic module is electrically connected to the software module and the mechanical module respectively; the mechanical module comprises a box body 102, the 3D printing nozzle 101 with the cooling system, a support used for supporting the 3D printing nozzle 101 with the cooling system, a workbench used for placing printed objects, a synchronizing wheel used for enabling the workbench to move, and a motor used for driving the 3D printing nozzle 101 with the cooling system and the synchronizing wheel, wherein the 3D printing nozzle 101 with the cooling system is arranged in the box body 102, the synchronizing wheel is connected with the workbench, and the motor is connected with the 3D printing nozzle 101 with the cooling system and the synchronizing wheel.

The software module is used for realizing action control on the 3D printer through a process sequence, and the electronic module is used for converting a program instruction into a mechanical instruction and controlling the mechanical module to perform mechanical action; the mechanical module is used for finally realizing printing and forming through mechanical action; the motor is used for driving the 3D printing nozzle and the synchronous wheel to act so as to realize the movement in the X/Y/Z direction, and the bracket is used for supporting the 3D printing nozzle so as to realize the connection between the 3D printing nozzle and the workbench; 3D prints the cooling system that the shower nozzle can realize the shower nozzle from dispelling the heat through taking certainly, places the shower nozzle high temperature, influences the life who prints effect and other spare parts.

The self-radiating 3D printer can realize the radiating function, prevents the temperature of a spray head of the printer from being too high in the printing process, and has good printing effect and longer service life.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. The utility model provides a take cooling system's 3D to print shower nozzle, its characterized in that, includes shower nozzle body (1) of taking nozzle (11) shower nozzle body (1) is close to nozzle (11) end fixed liquid condensing equipment (2) of being equipped with shower nozzle body (1) keep away from nozzle (11) end activity and is equipped with gaseous condensing equipment (3), gaseous condensing equipment (3) can round trip movement is gone up and can cup joint outside liquid condensing equipment (2) on shower nozzle body (1).

2. The 3D printing nozzle with the cooling system according to claim 1, wherein the gas condensing device (3) comprises a cooling tank (31), an inner layer gas condensing unit (32), and an outer layer gas condensing unit (33) movably sleeved outside the inner layer gas condensing unit (32) and capable of moving back and forth on the inner layer gas condensing unit (32), the inner layer gas condensing unit (32) and the outer layer gas condensing unit (33) are both communicated with the cooling tank (31), and the inner layer gas condensing unit (32) is sleeved outside the nozzle body (1).

3. 3D printing nozzle with cooling system according to claim 2, characterized in that the inner layer gas condensing unit (32) and the outer layer gas condensing unit (33) are provided with a plurality of gas injection pipelines (34), the gas injection pipelines (34) are communicated with the cooling box (31), and the gas injection pipelines (34) are provided with a plurality of gas injection holes.

4. 3D print head with cooling system according to claim 3, characterized in that the air injection holes are provided on the air injection duct (34) near one end of the head body (1).

5. The 3D print head with cooling system according to claim 4, characterized in that the gas injection pipe (34) is a serpentine pipe wound in the circumferential or axial direction of the inner layer gas condensation unit (32).

6. The 3D print head with cooling system of claim 5, sliding chutes (35) are respectively arranged on the spray head body (1) and the outer layer gas condensation unit (33), a plurality of pulleys (36) are further arranged on the inner layer gas condensation unit (32), the pulleys (36) comprise a first pulley (361) which is arranged on the inner side of the inner layer gas condensation unit (32) and used for enabling the inner layer gas condensation unit (32) to slide on the sprayer body (1), and a second pulley (362) which is arranged on the outer side of the inner layer gas condensation unit (32) and used for enabling the outer layer gas condensation unit (33) to slide on the inner layer gas condensation unit (32), and a locking device used for fastening the first pulley (361) and the second pulley (362) is also arranged on the sliding groove (35).

7. The 3D print head with the cooling system according to any one of claims 2 to 6, wherein the liquid condensing device (2) comprises a liquid pipeline (21) and a cooling pool, two ends of the liquid pipeline (21) are respectively connected with two ends of the cooling pool, and the liquid pipeline (21) is serpentine and is wound on the head body (1).

8. The 3D print head with the cooling system according to claim 7, further comprising a plurality of temperature sensors, a controller for controlling the temperature of the gas condensing device (3) and/or the liquid condensing device (2), a driving device for driving the gas condensing device (3) to act, and a cooling device for cooling; the controller is electrically connected with the temperature sensor, the cooling device and the driving device, the gas condensing device (3) is connected with the driving device and the cooling device respectively, and the cooling device is connected with the liquid condensing device (2).

9. 3D print head with cooling system according to claim 8, characterized by several temperature sensors comprising a first temperature sensor arranged on the head body (1), a second temperature sensor arranged inside the cooling tank (31), a third temperature sensor arranged inside the cooling tank; the first temperature sensor, the second temperature sensor and the third temperature sensor are all electrically connected with the controller.

10. A self-radiating 3D printer is characterized by comprising a software module, an electronic module and a mechanical module, wherein the electronic module is electrically connected with the software module and the mechanical module respectively; the mechanical module comprises a box body (102), the 3D printing nozzle (101) with the cooling system, a support, a workbench, a synchronizing wheel and a motor, wherein the 3D printing nozzle (101) with the cooling system is arranged in the box body (102) respectively, the support is used for supporting the 3D printing nozzle (101) with the cooling system, the workbench is used for placing printed objects, the synchronizing wheel is used for enabling the workbench to move, the 3D printing nozzle (101) with the cooling system is driven by the motor, one end of the support is connected with the 3D printing nozzle (101) with the cooling system, the other end of the support is connected with the workbench, the synchronizing wheel is connected with the workbench, and the motor is connected with the 3D printing nozzle (101) with the cooling system and the synchronizing wheel respectively.