CN-224224534-U - Exhaust cooling device of 3D printer

Abstract

The utility model relates to an exhaust cooling device of a 3D printer, which is used for heat dissipation of a 3D printer nozzle driving power supply, and comprises a shell, wherein the front end of the shell is provided with an air inlet, the front end of the shell is connected with a blower through an air inlet pipe, the rear end of the shell is provided with an air outlet, an air flow channel is arranged in the shell, a plurality of spray head driving power supplies are arranged in the air flow channel along the air flow direction, a spray head control circuit board is arranged on the upper surface of a top plate of the shell, and the top plate is a heat conducting plate which can conduct heat of the circuit board into the air flow channel and is taken away by air flow. Connecting wings are arranged on two sides of the shell, so that the device is convenient to install on the 3D printer. The lower part of the front end of the shell is provided with a plurality of wire passing windows which are used for the connection flat cable of the nozzle driving power supply and the printer nozzle to pass through. The utility model adopts the airflow channel, the heat conduction structure and the installation design, obviously improves the heat dissipation efficiency, reduces the running temperature of equipment, prolongs the service life, is convenient for installation and maintenance, and has strong applicability.

Inventors

• CHEN XIAOBING

Assignees

• 深圳市鹏扬三维科技有限公司

Dates

Publication Date

20260512

Application Date

20250424

Claims (7)

1. 1. The utility model provides a cooling device that airs exhaust of 3D printer for 3D printer shower nozzle drive power supply's heat dissipation, a serial communication port, including casing (1), the front end of casing (1) is provided with air intake (2), air intake (2) are connected the forced draught blower through air-supply line (3), and the rear end of casing (1) is provided with air outlet (4), be provided with air current channel (5) in casing (1) be provided with a plurality of shower nozzle drive power supply (6) along the air current direction in air current channel (5), be provided with guide plate (7) between shower nozzle drive power supply (6) to optimize air current distribution and improve radiating efficiency.
2. 2. The exhaust cooling device according to claim 1, wherein the upper surface of the top plate (11) of the housing (1) is provided with a nozzle control circuit board (8), the top plate (11) is made of a high heat conduction material, and the lower surface of the top plate is in contact with the air flow channel (5) for conducting heat emitted by the nozzle control circuit board (8) into the air flow channel (5) through the top plate (11) and taking away by air flow, so that efficient heat dissipation is realized.
3. 3. The exhaust cooling device according to claim 2, characterized in that the air inlet pipe (3) is an elbow pipe, comprising a horizontal section (31) and a vertical section (32), wherein the distal end of the horizontal section (31) is connected with the air inlet (2) of the housing (1), the distal end of the vertical section (32) is connected with a pipe joint (33), and the pipe joint (33) is used for being connected with a blower.
4. 4. An exhaust cooling device according to claim 3, characterized in that an arc transition structure is adopted between the horizontal section (31) and the vertical section (32) of the air inlet pipe (3) to reduce air flow resistance and improve air supply efficiency.
5. 5. The exhaust cooling device according to claim 1, wherein a temperature sensor is arranged in the air flow channel (5) for monitoring the air flow temperature in real time and automatically adjusting the rotating speed of the blower according to the monitoring result.
6. 6. The exhaust cooling device according to claim 1, wherein connecting wings (9) are respectively arranged on the outer surfaces of two side plates (12) of the shell (1), and mounting holes (91) are formed in the connecting wings (9) and are used for fixing the exhaust cooling device on the 3D printing equipment through bolts.
7. 7. The exhaust cooling device according to claim 1, wherein a plurality of wire passing windows (10) are formed at the lower part of the front end of the housing (1) for the connection wires of the nozzle driving power supply (6) and the printer nozzle to pass through.

Description

Exhaust cooling device of 3D printer Technical Field The utility model relates to the technical field of 3D printer equipment, in particular to an exhaust cooling device of a 3D printer. Background As a rapid prototyping technique, 3D printing technology has been widely used in the fields of industrial manufacturing, medical treatment, education, and the like in recent years. The 3D printing technology based on the wax material has important application value in the fields of jewelry design, precise part manufacturing and the like due to the technical characteristics of high precision, high surface quality, suitability for investment casting and the like. However, in the working process of the 3D printer, a great amount of heat is generated by electronic components such as a spray head driving power supply and a spray head control circuit board, if heat cannot be dissipated in time, the temperature of the components may be too high, and then the printing precision and the equipment stability are affected, and even the service life of the components is shortened. Therefore, an efficient heat sink is critical to the proper operation of the 3D printer. At present, a 3D printer based on wax materials mainly adopts a fan to directly blow or a simple air duct design structure to dissipate heat. However, the heat dissipation mode has the following problems that firstly, in the waste wax dust environment, waste wax dust easily enters a spray head driving power supply and the inside of a circuit board through a heat dissipation air duct, so that the heat dissipation effect is affected, and electronic components are possibly short-circuited or damaged, secondly, the uniform distribution of air flow is difficult to realize due to the simple air duct design, so that the local heat dissipation effect is poor, and in addition, the traditional heat dissipation structure lacks an effective heat conduction and discharge mechanism, so that the heat dissipation requirement of high-power electronic components is difficult to meet. Therefore, a heat dissipating device that can effectively prevent dust from entering, optimize airflow distribution and improve heat dissipating efficiency is needed to solve the shortcomings in the prior art. Disclosure of utility model Aiming at the existing problems, the utility model provides the exhaust cooling device of the 3D printer, which remarkably improves the heat dissipation efficiency by optimizing the airflow channel, the heat conduction structure and the installation design, reduces the running temperature of equipment, has simple structure and convenient installation, and can meet the heat dissipation requirement of the 3D printer based on wax materials. The utility model provides an exhaust cooling device of a 3D printer, which is used for heat dissipation of a driving power supply of a spray head of the 3D printer, the exhaust cooling device comprises a shell, the front end of the shell is provided with an air inlet, the air inlet is connected with a blower through an air inlet pipe, the rear end of casing is provided with the air outlet, be provided with the air current passageway in the casing be provided with a plurality of shower nozzle drive power supply along the air current direction in the air current passageway, be provided with the guide plate between the shower nozzle drive power supply to optimize air current distribution and improve radiating efficiency. Preferably, the air inlet pipe is an elbow pipe and comprises a horizontal section and a vertical section, the far end of the horizontal section is connected with the air inlet of the shell, and the far end of the vertical section is connected with a pipe joint which is used for being connected with the air feeder. Preferably, the air inlet pipe is an elbow pipe and comprises a horizontal section and a vertical section, the far end of the horizontal section is connected with the air inlet of the shell, and the far end of the vertical section is connected with a pipe joint which is used for being connected with the air feeder. Preferably, an arc transition structure is adopted between the horizontal section and the vertical section of the air inlet pipe, so that air flow resistance is reduced, and air supply efficiency is improved. Preferably, a temperature sensor is arranged in the airflow channel and is used for monitoring the temperature of the airflow in real time and automatically adjusting the rotating speed of the blower according to the monitoring result. Preferably, the outer surfaces of the two side plates of the shell are respectively provided with a connecting wing, and the connecting wings are provided with mounting holes for fixing the exhaust cooling device on the 3D printing equipment through bolts. Preferably, a plurality of wire passing windows are formed in the lower portion of the front end of the shell, and are used for enabling a nozzle driving power supply to penetrate through a connecting flat ca