CN210062033U

CN210062033U - Spray head cooling device of 3D printer

Info

Publication number: CN210062033U
Application number: CN201920572832.9U
Authority: CN
Inventors: 肖冬冬; 钟恒智; 孙洁琼
Original assignee: Yimaishi Dental Shenzhen Co Ltd
Current assignee: Yimaishi Dental Shenzhen Co Ltd
Priority date: 2019-04-25
Filing date: 2019-04-25
Publication date: 2020-02-14
Anticipated expiration: 2029-04-25

Abstract

The utility model discloses a spray head cooling device of a 3D printer, which comprises a cooling cover, a water cooling pipe, a hydrodynamic blower and a printer spray head, wherein the cooling cover is arranged on the outer part of the printer spray head through threads, the printer spray head is arranged above the cooling cover through threads, the hydrodynamic blower is arranged on the hydrodynamic blower, the hydrodynamic blower is provided with a blast cavity and a water flow cavity, a bearing is fixedly arranged between the blast cavity and the water flow cavity inside the hydrodynamic blower, a rotating shaft is fixedly arranged inside the bearing, the utility model can cool the cooling cover and the spray head inside the cooling cover through the cold water inside the water cooling pipe, and meanwhile, the cold water inside the water cooling pipe can push a blast wheel paddle to rotate, so that the blast wheel paddle can send air to the inside of the cooling cover, the air sent by the blast wheel paddle drives the cold air inside the cooling cover to blow to printing raw materials, and the raw materials can be solidified, the conditions of collapse and flow of the raw materials are avoided, and the attractiveness of the product is ensured.

Description

Spray head cooling device of 3D printer

Technical Field

The utility model relates to a 3D printing apparatus technical field specifically is a shower nozzle cooling device of 3D printer.

Background

3D printing (3 DP), one of the rapid prototyping technologies, is a technology that constructs an object by printing layer by layer using an adhesive material such as powdered metal or plastic based on a digital model file.

3D printing is typically achieved using digital technology material printers. The method is often used for manufacturing models in the fields of mold manufacturing, industrial design and the like, and is gradually used for directly manufacturing some products, and parts printed by the technology are already available. The technology has applications in jewelry, footwear, industrial design, construction, engineering and construction (AEC), automotive, aerospace, dental and medical industries, education, geographic information systems, civil engineering, firearms, and other fields.

However, the conventional 3D printer has some disadvantages in the using process, such as: the shower nozzle department of traditional 3D printer does not all set up cooling device for when the 3D printer is with the raw materials from shower nozzle department spun, the raw materials still has not been in time to solidify, can lead to the raw materials to take place to collapse like this, flow, seriously influences the outward appearance of the product that 3D printed out, causes the product to be not conform to with actual need.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a shower nozzle cooling device of 3D printer to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a spray head cooling device of a 3D printer comprises a cooling cover, a water-cooling pipe, a hydrodynamic blower and a printer spray head, wherein the cooling cover is installed on the outer portion of the printer spray head through threads, the printer spray head is located above the cooling cover, the hydrodynamic blower is installed through threads, the hydrodynamic blower is provided with a blast cavity and a water flow cavity, a bearing is fixedly installed inside the hydrodynamic blower and located between the blast cavity and the water flow cavity, a rotating shaft is fixedly installed inside the bearing, the rotating shaft is located at one end inside the blast cavity, a blast wheel paddle is fixedly installed at one end of the rotating shaft, the other end of the rotating shaft is located inside the water flow cavity, a water-cooling pipe is uniformly wound on the outer wall of the cooling cover, water pipes are welded at two ends of the water-cooling pipe respectively, a water pump is fixedly installed at one end of the bottom of the water-cooling pipe, the other side of the water flow cavity is communicated with a water delivery pipe for water drainage; the cooling cover is located water-cooling tube top one side outer wall through connection and is had the air-supply line, the air-supply line is kept away from cooling cover one end and is had a perfect understanding with the blast air chamber and be connected.

Furthermore, the hydrodynamic blower is located the fixed fresh air inlet that has seted up in blast air chamber top center department, the blast air wheel oar is through fresh air inlet with outside air drum send to the intake pipe inside.

Furthermore, the bearing adopts an SKF sealing element for waterproof sealing, and a radial shaft sealing element with low section height is selected.

Further, cold water is continuously introduced into the water-cooling pipe.

Furthermore, the outer wall of the water-cooling pipe is wrapped with a heat-insulating layer.

Compared with the prior art, the beneficial effects of the utility model are that: the water pump is utilized to pump external cold water into the water-cooling pipe through the water delivery pipe, so that the water-cooling pipe can take away the temperature of the cooling cover through the cold water, and further the cooling cover can absorb the temperature of air in the cooling cover, the purpose of cooling the air in the cooling cover and the spray head is achieved, meanwhile, the cold water passing through the water-cooling pipe can enter the water flow cavity to push the water-driven wheel propeller to rotate, the water-driven wheel propeller can drive the blast wheel propeller to rotate through mixing, the blast wheel propeller can blow the air outside the hydrodynamic blower into the air inlet pipe when rotating, and then the air is guided into the cooling cover through the air inlet pipe, at the moment, the air blown by the air inlet pipe can drive the air with lower temperature in the cooling cover to blow to the raw material which is printed out just now, therefore, the utility model can carry out water-cooling on the cooling cover and the spray head in the cooling cover, simultaneously the inside cold water of water-cooling pipe can promote the blast air wheel oar and rotate for inside the blast air wheel oar can send the air drum to the cooling jacket, the air that the drum sent drives the inside air conditioning of cooling jacket and blows to printing the raw materials, can in time make the raw materials solidify when the nozzle prints the raw materials, avoids the raw materials to take place to collapse, the condition that flows, guarantees that the product is pleasing to the eye.

Drawings

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

FIG. 2 is a schematic view of the cross-sectional structure of the present invention;

fig. 3 is a schematic view of the cross-sectional structure of the water blower according to the present invention.

In FIGS. 1-3: 1-an air inlet pipe; 2-cooling the cover; 3-a water-cooling pipe; 4-water conveying pipe; 5, a water pump; 6-hydrodynamic blower; 7-a printer head; 8-a rotating shaft; 9-blast wheel paddle; 10-a blowing cavity; 11-a bearing; 12-a water flow chamber; 13-Water drive paddles.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a spray head cooling device of a 3D printer comprises a cooling cover 2, a water-cooling pipe 3, a hydrodynamic blower 6 and a printer spray head 7, wherein the cooling cover 2 is installed on the outer portion of the printer spray head 7 through threads, the printer spray head 7 is located above the cooling cover 2 and is provided with the hydrodynamic blower 6 through threads, the hydrodynamic blower 6 is provided with a blast cavity 10 and a water cavity 12, a bearing 11 is fixedly installed between the blast cavity 10 and the water cavity 12 inside the hydrodynamic blower 6, a rotating shaft 8 is fixedly installed inside the bearing 11, one end of the rotating shaft 8, which is located inside the blast cavity 10, is fixedly installed at a blast wheel paddle 9, one end of the rotating shaft 8, which is located inside the water cavity 12, is fixedly installed at a water driving wheel paddle 13, the water-cooling pipe 3 is uniformly wound on the outer wall of the cooling cover 2, water-cooling pipes 4 are welded at two ends of the water-cooling pipe 3 respectively, one end of the bottom, one end of the top of the water-cooling pipe 3 is communicated with a water flow cavity 12 through a water conveying pipe 4, and the other side of the water flow cavity 12 is communicated with the water conveying pipe 4 for draining water; the outer wall of the cooling cover 2, which is positioned on one side above the water cooling pipe 3, is connected with an air inlet pipe 1 in a through mode, and one end, far away from the cooling cover 2, of the air inlet pipe 1 is connected with a blast cavity 10 in a through mode.

An air inlet hole is fixedly formed in the center of the hydrodynamic blower 6 above the air blowing cavity 10, and the air blowing impeller 9 blows external air into the air inlet pipe 1 through the air inlet hole, so that the external air of the hydrodynamic blower 6 can be conveniently sucked into the hydrodynamic blower 6 through the air inlet hole when the air blowing impeller 9 rotates, and the external air can be blown into the air inlet pipe 1 through the hydrodynamic blower 6; the bearing 11 is used for waterproof sealing by adopting an SKF sealing element, and a radial shaft sealing element with low section height is selected, so that when water flows through the water flow cavity 12, the water flow cannot pass through the bearing 11 and enter the air blowing cavity 10, and the water flow is prevented from influencing the movement of the air blowing paddle 9 in the air blowing cavity 10; cold water is continuously introduced into the water-cooled tube 3, so that the water-cooled tube 3 can take away the temperature of the cooling cover 2 through the cold water, and the cooling cover 2 can absorb the temperature of air in the cooling cover 2, thereby achieving the purpose of cooling the air in the cooling cover 2; through 3 outer wall parcels of water-cooled tube have the heat preservation, can avoid water-cooled tube 3 to absorb the temperature in the outside air for water-cooled tube 3 can furthest's absorption cooling jacket 2's temperature.

The working principle is as follows: when the cooling device is used, the water pump 5 is used for pumping external cold water into the water-cooling pipe 3 through the water delivery pipe 4, so that the water-cooling pipe 3 can take away the temperature of the cooling cover 2 through the cold water, and further the cooling cover 2 can absorb the temperature of air inside the cooling cover 2, and the purpose of cooling the air inside the cooling cover 2 and the spray head 7 is achieved, meanwhile, the cold water passing through the water-cooling pipe 3 can enter the water flow cavity 12 to push the water driving wheel propeller 13 to rotate, the water driving wheel propeller 13 can drive the blast wheel propeller 9 to rotate through the bestriding mixing device 8, the blast wheel propeller 9 can blow the air outside the water-driven blower 6 into the air inlet pipe 1 when rotating, and then the air is guided into the cooling cover 2 through the air inlet pipe 1, at the moment, the air blown into the air inlet pipe 1 can drive the air with lower temperature inside the cooling cover 2 to blow to the raw material which is printed out just by printing, therefore, the cooling device can cool the cooling cover 2 and the spray head 7, simultaneously the inside cold water of water-cooled tube 3 can promote the rotation of air blast wheel oar 9 for air blast wheel oar 9 can send the air drum to cooling jacket 2 inside, and the air that the drum sent drives the inside air conditioning of cooling jacket 2 and blows to printing the raw materials, can in time make the raw materials solidify when the nozzle prints the raw materials, avoids the raw materials to take place to collapse, the condition that flows, guarantees that the product is pleasing to the eye.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a shower nozzle cooling device of 3D printer, includes cooling jacket (2), water-cooling pipe (3), water-driven blower (6) and print head (7), its characterized in that: the printer nozzle (7) is externally provided with a cooling cover (2) in a threaded manner, the printer nozzle (7) is positioned above the cooling cover (2) and is provided with a hydrodynamic blower (6) in a threaded manner, the hydrodynamic blower (6) is provided with an air blowing cavity (10) and a water flow cavity (12), the hydrodynamic blower (6) is internally provided with a bearing (11) between the air blowing cavity (10) and the water flow cavity (12) in a fixed manner, the bearing (11) is internally and fixedly provided with a rotating shaft (8), the rotating shaft (8) is positioned at one end inside the air blowing cavity (10) and fixedly provided with an air blowing wheel paddle (9), the rotating shaft (8) is positioned at one end inside the water flow cavity (12) and is fixedly provided with a water driving wheel paddle (13), the outer wall of the cooling cover (2) is uniformly wound with a water cooling pipe (3), water pipes (4) are welded at the two ends of the water cooling pipe (3) respectively, one end of the bottom of the, one end of the top of the water-cooled tube (3) is communicated with the water flow cavity (12) through a water delivery tube (4), and the other side of the water flow cavity (12) is communicated with the water delivery tube (4) for draining water; the cooling cover (2) is located the outer wall of one side above the water cooling pipe (3) and is connected with an air inlet pipe (1) in a through mode, and one end, far away from the cooling cover (2), of the air inlet pipe (1) is connected with the air blowing cavity (10) in a through mode.

2. The nozzle cooling device of a 3D printer according to claim 1, wherein: hydrodynamic blower (6) are located blast chamber (10) top center department and have fixedly seted up the fresh air inlet, blast wheel oar (9) are sent outside air drum to inside air-supply line (1) through the fresh air inlet.

3. The nozzle cooling device of a 3D printer according to claim 1, wherein: the bearing (11) adopts an SKF sealing element for waterproof sealing, and selects a radial shaft sealing element with low section height.

4. The nozzle cooling device of a 3D printer according to claim 1, wherein: and cold water is continuously introduced into the water-cooling pipe (3).

5. The nozzle cooling device of a 3D printer according to claim 1, wherein: the outer wall of the water cooling pipe (3) is wrapped with a heat insulation layer.