CN110884124A

CN110884124A - Circulating cooling device for 3D printer

Info

Publication number: CN110884124A
Application number: CN201911293913.6A
Authority: CN
Inventors: 杨军; 黄仲佳; 周晓宏; 罗贤国; 张勇; 孙文明; 赵薇; 郑兰斌; 吴志华; 王心生; 李思文; 宗泽; 周翔; 吕晨; 艾晓蕾
Original assignee: Anhui Spring Valley 3d Printing Intelligent Equipment Industry Technology Research Institute Co Ltd
Current assignee: Anhui Spring Valley 3d Printing Intelligent Equipment Industry Technology Research Institute Co Ltd
Priority date: 2019-12-16
Filing date: 2019-12-16
Publication date: 2020-03-17

Abstract

The invention discloses a circulating cooling device for a 3D printer, which comprises a cross arm, wherein lifting mechanisms are arranged on two sides of the cross arm, a linear motor is fixed at the lower end of the cross arm, a first mounting plate is fixed on a sliding block of the linear motor, a printing head is fixed at the lower end of the first mounting plate, a mounting cover is arranged on one side of the printing head, a radiating fan is fixed in the mounting cover, an outlet of the radiating fan is aligned with the printing head, a workbench is arranged below the printing head, a mounting box is fixed at the lower end of the workbench, the mounting box is mounted on a moving rail at the bottom end of the printer, a radiator is mounted in the mounting box, an outlet of the radiator is communicated with a water pump, the water pump is fixed in the mounting box, an outlet of the water pump is communicated with a heat absorbing pipe, the heat absorbing pipe is embedded in the workbench, an outlet of the heat absorbing pipe is communicated with an, the circulating cooling of the workbench is realized, the structure is simple, and the cooling effect is good.

Description

Circulating cooling device for 3D printer

Technical Field

The invention belongs to the technical field of 3D printers, and particularly relates to a circulating cooling device for a 3D printer.

Background

Friends using 3D printers may all know that the printing process requires a process of pre-heating and then post-cooling. But we all need wait for very long platform after the model printing is accomplished at every turn and just can cool off, then just can take the model down, later will spend time again and preheat the platform, the cooling is inside the radiator fan that the inside radiator fan of printer realized installs the aircraft bonnet, because the inside temperature of whole aircraft bonnet is higher, the radiating effect is unsatisfactory, for this reason, we provide a 3D printer with circulation cooling device solve the problem that exists among the prior art.

Disclosure of Invention

The invention aims to provide a circulating cooling device for a 3D printer, and aims to solve the problems that in the background technology, after model printing is finished, a platform needs to wait for a long time to cool down, then the platform can be taken down, and then time is needed to preheat the platform, cooling is realized by a cooling fan inside the printer, and the cooling fan is installed inside a hood because the temperature inside the whole hood is high, and the cooling effect is not ideal.

In order to achieve the purpose, the invention adopts the following technical scheme:

a circulating cooling device for a 3D printer comprises a cross arm, lifting mechanisms are arranged on two sides of the cross arm, a linear motor is fixed on the lower end face of the cross arm, a first mounting plate is fixed on a sliding block of the linear motor, a printing head is fixed in the middle of the lower end face of the first mounting plate through bolts, a mounting cover is arranged on one side of the printing head, a radiating fan is fixed in the mounting cover, an outlet of the radiating fan is aligned with the printing head, a workbench is arranged below the printing head, a mounting box is fixed at the lower end of the workbench and is mounted on a moving track at the bottom end of the printer, a radiator is mounted in the mounting box, a water pump is communicated with an outlet of the radiator and is fixed in the mounting box, a heat absorption pipe is communicated with an outlet of the water pump and is embedded at the lower end of the workbench, the outlet of the heat absorption pipe is communicated with the inlet of the radiator, a partition plate is arranged between the radiator and the bottom end of the workbench, and the partition plate is fixed at the upper end of the inside of the bank mounting box.

Preferably, elevating system includes two support frames, two the support frame is divided and is established in the both sides of workstation, two be fixed with the second mounting panel between the support frame top, there is servo motor through the bolt fastening in the middle of the lower terminal surface of second mounting panel, servo motor's output shaft end key is connected with first belt pulley, the both sides of first belt pulley are connected with the second belt pulley through the equal transmission of conveyer belt, first belt pulley and second belt pulley all are located the top of second mounting panel.

Preferably, the center of the second belt pulley is in key connection with a lead screw, the lead screw extends to the bottom end of the support frame and is in rotary connection with the support frame through a bearing, moving blocks are in threaded transmission connection with the lead screw, and the two moving blocks are welded on two sides of the cross arm.

Preferably, the two sides of the moving block are integrally formed with sliding blocks, the inner wall of the support frame is provided with a sliding groove matched with the sliding blocks, and the sliding blocks slide in the sliding groove.

Preferably, a limiting block is fixed at the upper end inside the supporting frame and is located above the moving block.

Preferably, the outer sides of the first belt pulley and the second belt pulley are provided with protective covers, and the protective covers are fixed on the upper end face of the second mounting plate.

Preferably, the outer sides of the lifting mechanism and the workbench are provided with a hood, the middle of the front end of the hood is hinged with two hood doors, and the outer side of one end, away from the hinged part, of each hood door is fixed with a handle.

Preferably, the middle of the rear end of the mounting box is communicated with an air duct, the air duct penetrates through the hood and extends to the outside, an outlet of the air duct is communicated with an exhaust fan, and the exhaust fan is fixed at the lower end of the outside of the hood.

The invention has the technical effects and advantages that: compared with the prior art, the circulating cooling device for the 3D printer has the following advantages:

1. according to the invention, water with lower temperature after heat dissipation in the radiator is conveyed into the heat absorption pipe through the water pump, the heat absorption pipe is embedded on the workbench, then the water in the heat absorption pipe absorbs heat of the workbench, heat of a product on the workbench is conducted into the heat absorption pipe, then the water in the heat absorption pipe flows into the radiator, the heat in the water is radiated to the outside into the installation box through the radiator, then the air in the installation box is sucked out by the work of the exhaust fan, and further the heat in the installation box is exhausted out of the hood through the ventilation pipeline, so that the heat dissipation is realized, the workbench is cooled by water circulation, the cooling efficiency is high, the time is short, and the working efficiency is improved;

2. according to the invention, the mounting cover is arranged at the rear side of the printing head, the cooling fan is mounted in the mounting cover, the air outlet of the cooling fan is aligned with the printing head, the cooling fan moves along with the printing head and always aligns to blow and cool, so that the heat dissipation of the printing head is realized, the structure is simple, and the heat dissipation effect is good.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of the invention at A;

FIG. 3 is an enlarged view of the invention at B;

FIG. 4 is a perspective view of the present invention;

FIG. 5 is a view showing the internal structure of the installation case of the present invention;

FIG. 6 is a schematic view of the position relationship between the stage and the heat absorbing tube according to the present invention.

Reference numerals: 1. a cross arm; 2. a lifting mechanism; 201. a support frame; 202. a second mounting plate; 203. a servo motor; 204. a first pulley; 205. a second pulley; 206. a screw rod; 207. a moving block; 208. a slider; 209. a chute; 210. a limiting block; 211. a protective cover; 3. a linear motor; 4. a first mounting plate; 5. a print head; 6. mounting a cover; 7. a heat radiation fan; 8. a work table; 9. installing a box; 10. a heat sink; 11. a water pump; 12. a heat absorbing tube; 13. a partition plate; 14. a hood; 15. a cover door; 16. a handle; 17. an air duct; 18. an exhaust fan.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The specific embodiments described herein are merely illustrative of the invention and do not delimit the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 6, the invention provides a circulating cooling device for a 3D printer, which comprises a cross arm 1, wherein lifting mechanisms 2 are arranged on two sides of the cross arm 1, each lifting mechanism 2 comprises two support frames 201, the two support frames 201 are respectively arranged on two sides of a workbench 8, a second mounting plate 202 is fixed between the top ends of the two support frames 201, a servo motor 203 is fixed in the middle of the lower end surface of the second mounting plate 202 through a bolt, a first belt pulley 204 is connected to the end portion of an output shaft of the servo motor 203 in a key manner, a second belt pulley 205 is connected to two sides of the first belt pulley 204 in a transmission manner through a conveyor belt, the first belt pulley 204 and the second belt pulley 205 are both located above the second mounting plate 202, a protective cover 211 is arranged on the outer side of the first belt pulley 204 and the second belt pulley 205, the protective cover 211 is fixed on the upper end surface of the second, the isolation and protection functions are realized;

a lead screw 206 is in key connection with the center of the second belt pulley 205, the lead screw 206 extends to the bottom end of the support frame 201 and is in rotary connection with the support frame through a bearing, a moving block 207 is in threaded transmission connection with the lead screw 206, the two moving blocks 207 are welded on two sides of the cross arm 1 to realize the up-and-down sliding of the cross arm 1, in order to guide and limit the moving block 207 during up-and-down movement, sliding blocks 208 are integrally formed on two sides of the moving block 207, a sliding groove 209 matched with the sliding block 208 is formed in the inner wall of the support frame 201, the sliding block 208 slides in the sliding groove 209, in order to prevent the servo motor 203 from colliding with the upper end of the cross arm 1 during up-and-down movement, a limiting block 210 is fixed at the;

a linear motor 3 is fixed on the lower end face of the cross arm 1, a first mounting plate 4 is fixed on a sliding block of the linear motor 3, a printing head 5 is fixed in the middle of the lower end face of the first mounting plate 4 through a bolt, a mounting cover 6 is arranged on one side of the printing head 5, a heat radiation fan 7 is fixed in the mounting cover 6, an outlet of the heat radiation fan 7 is aligned with the printing head 5, a workbench 8 is arranged below the printing head 5, a mounting box 9 is fixed at the lower end of the workbench 8, the mounting box 9 is mounted on a moving track at the bottom end of the printer, a radiator 10 is mounted in the mounting box 9, an outlet of the radiator 10 is communicated with a water pump 11, the water pump 11 is fixed in the mounting box 9, an outlet of the water pump 11 is communicated with a heat absorption pipe 12, the heat absorption pipe 12 is spirally wound at the lower end of the workbench 8, and the heat absorption pipe 12, the heat absorption pipe 12 is embedded at the lower end of the workbench 8, an outlet of the heat absorption pipe 12 is communicated with an inlet of the radiator 10, a partition plate 13 is arranged between the radiator 10 and the bottom end of the workbench 8, and the partition plate 13 is fixed at the upper end inside the shock mounting box 9;

the outside of elevating system 2 and workstation 8 is provided with aircraft bonnet 14, it has two covers door 15 to articulate in the middle of the front end of aircraft bonnet 14, conveniently gets from workstation 8 and puts the product, the one end outside that articulated department was kept away from to cover door 15 is fixed with handle 16, conveniently opens or closes cover door 15 with the hand, the intercommunication has vent pipe 17 in the middle of the rear end of install bin 9, and vent pipe 17 constitutes for the flexible material of plastics, can bend, warp, and the vent pipe 17 is damaged in the time of avoiding install bin 9 back-and-forth movement by pulling, vent pipe 17 runs through aircraft bonnet 14 and extends to the outside, vent pipe 17's export intercommunication has exhaust fan 18, exhaust fan 18 fixes the outside lower extreme at aircraft bonnet 14.

The working principle is as follows: the electric parts of the device are powered by an external power supply, a first belt pulley 204 is driven to rotate by a servo motor 203, the first belt pulley 204 drives the second belt pulleys 205 on the two sides to rotate through the transmission belt, the rotation of the second belt pulley 205 drives the screw rod 206 to rotate, the rotation of the screw rod 206 drives the moving block 207 to slide up and down in the supporting frame 201 along the sliding groove 209, thereby driving the printing head to slide up and down, the linear motor 3 drives the first mounting plate 4 to slide left and right, further the first mounting plate 4 drives the printing head 5 and the heat dissipation fan 7 to slide left and right, the air outlet of the heat dissipation fan 7 is always aligned with the printing head 5 to realize the air blowing and heat dissipation of the printing head 5, the mounting box 9 is fixed below the worktable 8, the mounting box 9 is arranged on the moving guide rail of the printer, further realizing the back and forth movement of the workbench 8, and the workbench 8 and the printing head 5 are matched to realize the printing of the product;

after the product is printed and is accomplished, the lower water of temperature is carried in the heat absorption pipe 12 to the heat dissipation back in 11 water pumps heat radiator 10, heat absorption pipe 12 inlays on workstation 8, and then the water in the heat absorption pipe 12 absorbs the heat to workstation 8, the heat conduction of product goes up on the workstation 8 is gone into in the heat absorption pipe 12, then rivers in the heat absorption pipe 12 go into radiator 10, through radiator 10 in the aquatic heat toward giving off the install bin 9 outward, then 18 work of exhaust fan is toward outer suction to the air in the install bin 9, and then the heat in the install bin 9 passes through vent pipe 17 exhaust hood 14, thermal giving off has been realized, utilize water circulative cooling to workstation 8, the cooling efficiency is high, the time is short, and the work efficiency is improved.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a circulative cooling device for 3D printer, includes xarm (1), its characterized in that: the lifting mechanism (2) is arranged on two sides of the cross arm (1), a linear motor (3) is fixed on the lower end face of the cross arm (1), a first mounting plate (4) is fixed on a sliding block of the linear motor (3), a printing head (5) is fixed in the middle of the lower end face of the first mounting plate (4) through bolts, a mounting cover (6) is arranged on one side of the printing head (5), a radiating fan (7) is fixed in the mounting cover (6), an outlet of the radiating fan (7) is aligned with the printing head (5), a workbench (8) is arranged below the printing head (5), a mounting box (9) is fixed on the lower end of the workbench (8), the mounting box (9) is mounted on a moving track at the bottom end of a printer, a radiator (10) is mounted inside the mounting box (9), and an outlet of the radiator (10) is communicated with a water pump (11), the water pump (11) is fixed in the installation box (9), an outlet of the water pump (11) is communicated with a heat absorption pipe (12), the heat absorption pipe (12) is embedded at the lower end of the workbench (8), an outlet of the heat absorption pipe (12) is communicated with an inlet of the radiator (10), a partition plate (13) is arranged between the bottom ends of the radiator (10) and the workbench (8), and the partition plate (13) is fixed at the upper end of the inside of the installation box (9).

2. The circulating cooling device for the 3D printer according to claim 1, characterized in that: elevating system (2) include two support frames (201), two the both sides at workstation (8) are established separately to support frame (201), two be fixed with second mounting panel (202) between support frame (201) top, there are servo motor (203) through the bolt fastening in the middle of the lower terminal surface of second mounting panel (202), the output shaft tip key connection of servo motor (203) has first belt pulley (204), the both sides of first belt pulley (204) are connected with second belt pulley (205) through the equal transmission of conveyer belt, first belt pulley (204) and second belt pulley (205) all are located the top of second mounting panel (202).

3. The circulating cooling device for the 3D printer according to claim 2, characterized in that: the center of the second belt pulley (205) is in key connection with a lead screw (206), the lead screw (206) extends to the bottom end of the support frame (201) and is in rotary connection with the support frame through a bearing, moving blocks (207) are in threaded transmission connection with the lead screw (206), and the two moving blocks (207) are welded on two sides of the cross arm (1).

4. The circulating cooling device for the 3D printer according to claim 3, characterized in that: the two sides of the moving block (207) are integrally formed with sliding blocks (208), the inner wall of the supporting frame (201) is provided with sliding grooves (209) matched with the sliding blocks (208), and the sliding blocks (208) slide in the sliding grooves (209).

5. The circulating cooling device for the 3D printer according to claim 3, characterized in that: a limiting block (210) is fixed to the upper end of the inner portion of the supporting frame (201), and the limiting block (210) is located above the moving block (207).

6. The circulating cooling device for the 3D printer according to claim 2, characterized in that: the outside of first belt pulley (204) and second belt pulley (205) is provided with safety cover (211), the up end at second mounting panel (202) is fixed in safety cover (211).

7. The circulating cooling device for the 3D printer according to claim 1, characterized in that: the outer sides of the lifting mechanism (2) and the workbench (8) are provided with a hood (14), the middle of the front end of the hood (14) is hinged with two hood doors (15), and the outer side of one end, away from the hinged part, of each hood door (15) is fixed with a handle (16).

8. The circulating cooling device for the 3D printer according to claim 1, characterized in that: the middle of the rear end of the mounting box (9) is communicated with an air duct (17), the air duct (17) penetrates through the hood (14) and extends to the outside, an outlet of the air duct (17) is communicated with an exhaust fan (18), and the exhaust fan (18) is fixed at the lower end of the outside of the hood (14).