CN219312025U

CN219312025U - A circulative cooling device for 3D printing apparatus

Info

Publication number: CN219312025U
Application number: CN202321429171.7U
Authority: CN
Inventors: 吕营
Original assignee: Shenyang Wuhuan Material Technology Co ltd
Current assignee: Shenyang Wuhuan Material Technology Co ltd
Priority date: 2023-06-07
Filing date: 2023-06-07
Publication date: 2023-07-07
Anticipated expiration: 2033-06-07

Abstract

The utility model belongs to the technical field of 3D printing equipment, in particular to a circulating cooling device for 3D printing equipment, which comprises a 3D printer body, wherein supporting legs distributed in a rectangular array are fixedly connected to the lower surface of the 3D printer body, mounting blocks are fixedly connected to the lower surface of the 3D printer body, heat dissipation fans distributed symmetrically are fixedly connected to the lower surface of the mounting blocks, and a water storage tank is fixedly connected to one side surface of the 3D printer body. This a circulative cooling device for 3D printing apparatus is provided with heat sink through the interior bottom wall at the water storage box, has reached the air conditioning that gives off through the semiconductor refrigeration piece refrigeration end and has cooled down cooling tube and spiral fin, realizes cooling down the heat transfer to the cooling water of cooling tube internal reflux, improves the cooling efficiency of cooling water to reduce 3D printing apparatus ageing speed, increase of service life's effect.

Description

A circulative cooling device for 3D printing apparatus

Technical Field

The utility model relates to the technical field of 3D printing equipment, in particular to a circulating cooling device for 3D printing equipment.

Background

The 3D printing equipment is one equipment capable of printing out a real 3D object, and is a rapid manufacturing technology for forming materials by one-time fusion, and is characterized in that based on a digital model file, powdery metal or plastic and other bondable materials are utilized, any three-dimensional object is constructed by printing layer by layer and overlapping different-shaped continuous layers, 3D printing is one of rapid forming technologies, and when the existing 3D printing equipment is used, heat is easily accumulated in the 3D printing equipment, so that the ageing speed of the 3D printing equipment is increased.

The circulating cooling device (publication No. CN 218985755U) for the 3D printing equipment is disclosed in Chinese patent literature, although cooling water in a return pipe is cooled by a fan to realize circulating cooling, the cooling efficiency of the method is lower, and when the outside air temperature is higher, the cooling effect of flowing wind generated by the fan on the cooling water is also reduced, so that the cooling efficiency of the cooling water on the inside of the 3D printing equipment is easily reduced, heat exchange is unstable, the ageing speed of the equipment is increased, and the service life is reduced.

Disclosure of Invention

Based on the technical problems that the heat exchange efficiency is easily reduced due to the influence of the outside air temperature when the existing cooling water is subjected to circulating cooling, so that the heat exchange is unstable, and the service life of the 3D printing equipment is reduced, the utility model provides a circulating cooling device for the 3D printing equipment.

The utility model provides a circulating cooling device for 3D printing equipment, which comprises a 3D printer body, wherein the lower surface of the 3D printer body is fixedly connected with supporting legs distributed in a rectangular array, the lower surface of the 3D printer body is fixedly connected with mounting blocks, the lower surface of each mounting block is fixedly connected with symmetrically distributed cooling fans, and one side surface of the 3D printer body is fixedly connected with a water storage tank;

the inner bottom wall of the water storage tank is provided with a cooling device, and the cooling device comprises a small submersible pump, and the lower surface of the small submersible pump is fixedly arranged with the inner bottom wall of the water storage tank.

Preferably, the water outlet end of the small submersible pump is fixedly communicated with a connecting pipe, and the other end of the connecting pipe penetrates through the water storage tank and extends to the inside of the 3D printer body.

Preferably, the other end of the connecting pipe is fixedly communicated with a serpentine cooling pipe, one end of the serpentine cooling pipe is fixedly communicated with a return pipe, and one end of the return pipe penetrates through the 3D printer body and extends to the inside of the mounting block.

Preferably, one end of the return pipe is fixedly communicated with a flow dividing block, one side surface of the flow dividing block is fixedly connected with one side inner wall of the installation block, and the other side surface of the flow dividing block is fixedly communicated with cooling pipes distributed in a linear array.

Preferably, the outer surface of the cooling pipe is fixedly sleeved with a spiral cooling fin, one ends of the cooling pipes are fixedly communicated with a water collecting block, one side surface of the water collecting block is fixedly connected with the inner wall of the other side of the installation block, and the other side surface of the water collecting block is fixedly communicated with a conveying pipe.

Preferably, one end of the conveying pipe penetrates through the mounting block and extends to the inside of the water storage tank, a mounting opening is formed in the inner bottom wall of the mounting block, a semiconductor refrigerating sheet is fixedly mounted on the inner wall of the mounting opening, and radiating fins distributed in a linear array are fixedly connected to the radiating ends of the semiconductor refrigerating sheet.

The beneficial effects of the utility model are as follows:

through being provided with heat sink at the interior bottom wall of water storage tank, reached through the air conditioning that semiconductor refrigeration piece refrigeration end gives off cools off cooling tube and spiral fin, realized cooling heat transfer to the cooling water of cooling tube internal reflux, improve the cooling efficiency of cooling water to reduce 3D printing apparatus ageing speed, increase of service life's effect.

Drawings

FIG. 1 is a schematic diagram of a recirculating cooling device for a 3D printing apparatus;

FIG. 2 is a cross-sectional view of a reservoir structure of a circulation cooling device for a 3D printing apparatus;

fig. 3 is a sectional view of a mounting block structure of a circulation cooling device for a 3D printing apparatus.

In the figure: 1. a 3D printer body; 2. support legs; 3. a mounting block; 4. a heat radiation fan; 5. a water storage tank; 6. a small submersible pump; 61. a connecting pipe; 62. serpentine cooling tube; 63. a return pipe; 64. a shunt block; 65. a cooling pipe; 66. spiral radiating fins; 67. a water collecting block; 68. a delivery tube; 69. a semiconductor refrigeration sheet; 610. and the heat dissipation fins.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-3, a circulation cooling device for 3D printing equipment comprises a 3D printer body 1, wherein support legs 2 distributed in a rectangular array are fixedly connected to the lower surface of the 3D printer body 1, a mounting block 3 is fixedly connected to the lower surface of the 3D printer body 1, heat dissipation fans 4 distributed symmetrically are fixedly connected to the lower surface of the mounting block 3, and a water storage tank 5 is fixedly connected to one side surface of the 3D printer body 1;

the inner bottom wall of the water storage tank 5 is provided with a cooling device, and the cooling device comprises a small submersible pump 6, and the lower surface of the small submersible pump 6 is fixedly arranged with the inner bottom wall of the water storage tank 5.

Further, in order to timely add the lost cooling liquid, the water outlet end of the small submersible pump 6 is fixedly communicated with a connecting pipe 61, the other end of the connecting pipe 61 penetrates through the water storage tank 5 and extends to the inside of the 3D printer body 1, a water adding hole and a sealing plug for sealing are arranged above the water storage tank 5, and residual cooling water can be monitored in the water storage tank 5 by using a liquid level sensor so that the cooling water can be timely added after being lost.

Further, in order to realize the circulation cooling, the other end of connecting pipe 61 is fixed to be linked together and is had snakelike cooling tube 62, and the one end fixed intercommunication of snakelike cooling tube 62 has back flow 63, and the one end of back flow 63 runs through 3D printer body 1 and extends to the inside of installation piece 3, and connecting pipe 61 plays the effect of carrying the cooling water to snakelike cooling tube 62 in, and snakelike cooling tube 62 adopts pure copper material, has high conduction heat transfer performance.

Further, in order to realize the reposition of redundant personnel cooling, the fixed intercommunication of one end of back flow 63 has reposition of redundant personnel piece 64, and one side surface of reposition of redundant personnel piece 64 and one side inner wall fixed connection of installation piece 3, the fixed intercommunication of opposite side surface of reposition of redundant personnel piece 64 has the cooling tube 65 that is linear array and distribute, and reposition of redundant personnel piece 64 plays in the cooling water flow to a plurality of cooling tubes 65 that will heat up to be convenient for carry out the cooling heat transfer, improve cooling efficiency.

Further, in order to improve heat exchange efficiency, the outer surface fixing of cooling tube 65 has cup jointed spiral fin 66, and the one end of a plurality of cooling tubes 65 is all fixed to be linked together and is had catchment piece 67, and the opposite side inner wall fixed connection of catchment piece 67 one side surface and installation piece 3, the opposite side fixed surface intercommunication of catchment piece 67 have conveyer pipe 68, and cooling tube 65 can adopt pure copper material, and spiral fin 66 plays the area of contact when increasing cooling tube 65 heat transfer, improves the effect of coolant liquid cooling efficiency.

Further, in order to improve the cooling efficiency, one end of the conveying pipe 68 penetrates through the mounting block 3 and extends to the inside of the water storage tank 5, a mounting opening is formed in the inner bottom wall of the mounting block 3, the semiconductor cooling plate 69 is fixedly mounted on the inner wall of the mounting opening, the heat dissipation ends of the semiconductor cooling plate 69 are fixedly connected with the heat dissipation fins 610 distributed in a linear array, and the semiconductor cooling plate 69 plays a role of rapidly dissipating heat generated by the heat dissipation ends through the heat dissipation fins 610, so that the cooling efficiency of the cooling end is improved.

Working principle: step one, starting a small submersible pump 6 to work, wherein the small submersible pump 6 conveys cooling water in a water storage tank 5 into a serpentine cooling pipe 62 in a 3D printer body 1 through a connecting pipe 61, exchanges heat and cools through the cooling water in the serpentine cooling pipe 62, conveys the warmed cooling water into a flow dividing block 64 through a return pipe 63, and conveys the warmed cooling water into a plurality of cooling pipes 65 through the flow dividing block 64 respectively;

and secondly, the heat dissipation end of the semiconductor refrigerating sheet 69 dissipates heat through the cooperation of the heat dissipation fan 4 and the heat dissipation fins 610, and the cold air emitted by the refrigerating end of the semiconductor refrigerating sheet increases conduction cooling to the cooling pipe 65 through the spiral heat dissipation sheet 66, so that the cooling pipe cools the warmed cooling water, and the cooled cooling water flows into the water collecting block 67 and is conveyed into the water storage tank 5 through the conveying pipe 68 for recycling.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. A recirculating cooling device for 3D printing apparatus, comprising a 3D printer body (1), characterized in that: the three-dimensional printer comprises a 3D printer body (1), wherein supporting legs (2) distributed in a rectangular array are fixedly connected to the lower surface of the 3D printer body (1), mounting blocks (3) are fixedly connected to the lower surface of the 3D printer body (1), radiating fans (4) symmetrically distributed are fixedly connected to the lower surface of the mounting blocks (3), and a water storage tank (5) is fixedly connected to one side surface of the 3D printer body (1);

the inner bottom wall of the water storage tank (5) is provided with a cooling device, the cooling device comprises a small submersible pump (6), and the lower surface of the small submersible pump (6) is fixedly arranged with the inner bottom wall of the water storage tank (5);

the water outlet end of the small submersible pump (6) is fixedly communicated with a connecting pipe (61), and the other end of the connecting pipe (61) penetrates through the water storage tank (5) and extends into the 3D printer body (1);

the other end of the connecting pipe (61) is fixedly communicated with a serpentine cooling pipe (62), one end of the serpentine cooling pipe (62) is fixedly communicated with a return pipe (63), and one end of the return pipe (63) penetrates through the 3D printer body (1) and extends into the mounting block (3);

one end of the return pipe (63) is fixedly communicated with a flow dividing block (64), one side surface of the flow dividing block (64) is fixedly connected with one side inner wall of the installation block (3), and the other side surface of the flow dividing block (64) is fixedly communicated with cooling pipes (65) distributed in a linear array;

the outer surface of the cooling pipes (65) is fixedly sleeved with spiral cooling fins (66), one ends of the cooling pipes (65) are fixedly communicated with water collecting blocks (67), one side surface of each water collecting block (67) is fixedly connected with the inner wall of the other side of the mounting block (3), and the other side surface of each water collecting block (67) is fixedly communicated with a conveying pipe (68);

one end of the conveying pipe (68) penetrates through the mounting block (3) and extends to the inside of the water storage tank (5), a mounting opening is formed in the inner bottom wall of the mounting block (3), a semiconductor refrigerating sheet (69) is fixedly mounted on the inner wall of the mounting opening, and radiating fins (610) distributed in a linear array are fixedly connected to the radiating ends of the semiconductor refrigerating sheet (69).