CN218366512U

CN218366512U - Heat dissipation nozzle for 3D printer

Info

Publication number: CN218366512U
Application number: CN202221404159.6U
Authority: CN
Inventors: 邓钊; 冀江华
Original assignee: Changzhou Mingren 3d Technology Co ltd
Current assignee: Changzhou Mingren 3d Technology Co ltd
Priority date: 2022-06-07
Filing date: 2022-06-07
Publication date: 2023-01-24
Anticipated expiration: 2032-06-07

Abstract

The utility model belongs to the technical field of 3D printing apparatus technique and specifically relates to a 3D is heat dissipation nozzle for printer, which comprises a mounting bas, be connected with the shower nozzle subassembly on the mount pad, shower nozzle subassembly both sides are provided with radiator unit, radiator unit includes the water conservancy diversion piece, water conservancy diversion piece one side is connected with the fixed plate, fixed plate connection nozzle subassembly, the water conservancy diversion piece is kept away from fixed plate one side and is connected with a radiator fan. The material sprayed by the spray head component is cooled by the cooling component, and the first cooling fan blows air out of the flow guide piece during working, so that the material sprayed by the nozzle of the 3D printer is cooled comprehensively.

Description

Heat dissipation nozzle for 3D printer

Technical Field

The utility model belongs to the technical field of 3D printing apparatus technique and specifically relates to a 3D is heat dissipation nozzle for printer.

Background

A 3D printer, a machine for rapid prototyping, is a technology for constructing objects by layer-by-layer printing using bondable materials such as powdered metal or plastic based on digital model files. The 3D printer during operation at first melts the raw materials and from the nozzle blowout, and the three-dimensional object of formation is piled up to certain mode of raw materials installation, and the raw materials need condense fast from the nozzle blowout back to the object of guaranteeing to be processed has certain structural strength and surface quality.

Because the shower nozzle heat dissipation needs big amount of wind, so it is big to need the high amount of wind of fan rotational speed, traditional 3D print head can't adjust wind-force, when wind-force is great, outside temperature is lower, can lead to the intraductal silk material melting temperature of shower nozzle to receive the influence, when wind-force is less, make 3D printer during operation high temperature, lead to extrusion device feeding not smooth easily, the condition that the shower nozzle blockked up appears, can lead to the condition appearance that spare parts such as frame burn because of high temperature even when serious, greatly reduced work efficiency and when 3D printer does not work, the nozzle of 3D printer receives being infected with of dust easily, lead to the discharge gate department of 3D printer nozzle to be stained with the ash and block up even, influence the printing effect of 3D printer.

Disclosure of Invention

The utility model aims at: the heat dissipation nozzle for the 3D printer is capable of freely adjusting air volume, stable in printing object and effective in protecting the nozzle when not in work.

In order to solve the technical problem, the utility model adopts the following technical scheme: the heat dissipation device comprises a mounting seat, wherein a spray head assembly is connected to the mounting seat, heat dissipation assemblies are arranged on two sides of the spray head assembly and comprise a flow guide part, a fixing plate is connected to one side of the flow guide part, the spray head assembly is connected to the fixing plate, and a first heat dissipation fan is connected to one side, far away from the fixing plate, of the flow guide part. The material sprayed by the spray head component is cooled by the cooling component, and the first cooling fan blows air out of the flow guide piece during working, so that the material sprayed by the nozzle of the 3D printer is cooled comprehensively.

Furthermore, the mounting base comprises a mounting plate, the mounting plate is connected with the fixed plate through bolts and a spray head assembly, one side, away from the spray head assembly, of the mounting plate is connected with a sliding plate, and one side, away from the spray head assembly, of the sliding plate is connected with a roller. Through setting up the sliding plate, the sliding plate is kept away from shower nozzle subassembly one side and is connected with the gyro wheel, sets up the slide rail that corresponds with the gyro wheel in the printer frame, and the gyro wheel drives the sliding plate and moves on the slide rail to conveniently adjust the position of shower nozzle subassembly.

Preferably, the spray head assembly comprises a throat pipe, the throat pipe is connected with a spray nozzle, and a throat pipe cooling assembly is clamped on the throat pipe. Through setting up the inside heat efficient of choke cooling module with the choke and discharging, guarantee long-time stable work of shower nozzle subassembly.

Furthermore, the throat pipe cooling assembly comprises a radiating fan seat, a second radiating fan is arranged in the radiating fan seat, and the radiating fan seat is directly clamped on the throat pipe. And the heat in the throat pipe is efficiently discharged by the second cooling fan.

Preferably, the nozzle is provided with a heating block, a heating rod and a nozzle temperature measuring sensor are arranged in the heating block, and a copper nozzle is arranged below the heating block. Through setting up the heating block, set up the heating rod in the heating block and be used for melting consumptive material, set up the consumptive material that shower nozzle temperature measurement sensor control shower nozzle subassembly in the heating block and be in the molten condition.

Furthermore, a heating groove and a temperature measuring groove are arranged on the heating block, a heating rod is arranged in the heating groove, and a spray head temperature measuring sensor is arranged in the temperature measuring groove.

Preferably, a heat dissipation channel is arranged in the flow guide piece, the flow guide piece is L-shaped, the opening of the flow guide piece faces the copper nozzle, and an air volume adjusting assembly is arranged in the flow guide piece. The water conservancy diversion spare sets up in copper shower nozzle both sides, and the wind that makes first radiator fan produce through the water conservancy diversion spare directly bloies to copper shower nozzle both sides, makes the radiating effect of the material that the shower nozzle subassembly was extruded better and the heat dissipation is even, improves the quality of the product that the 3D printer printed out.

Further, air regulation subassembly includes electric putter, the last piston rod that is provided with of electric putter, piston rod one side is connected with the expansion plate, expansion plate sliding connection is in the lagging, the expansion plate bottom is provided with the arch. The air quantity is adjusted by arranging the air quantity adjusting assembly, when the air quantity needs to be reduced, the electric push rod is started, the piston rod is controlled to extend out to drive the expansion plate to extend out, the expansion plate blocks a part of heat dissipation channels, and the air force sprayed by the flow guide piece is reduced; when the air quantity needs to be increased, the electric push rod is started, the piston rod is controlled to descend, the expansion plate is driven to descend and retract into the sleeve plate, the heat dissipation channel is enlarged, and the wind power sprayed by the flow guide piece is enhanced.

Preferably, the copper sprayer is provided with hinged lugs, the hinged lugs are hinged with protection plates, the protection plates are quarter reverse conical plate bodies, and the side edges of the protection plates are bonded with magnet blocks. Through setting up the protection shield, under the condition that does not use the shower nozzle subassembly, under the magnet piece inter attraction effect that the side was established in the protection shield for the side in close contact with of protection shield seals the protection to the discharge gate of copper shower nozzle lower extreme, prevents that the dust from getting into the discharge gate of copper shower nozzle lower extreme.

Furthermore, the sides of the protection plates are in close contact, and the magnets arranged on the sides of the adjacent protection plates are opposite.

Adopt the technical scheme of the utility model beneficial effect is: the air quantity is adjusted by arranging the air quantity adjusting assembly, when the air quantity needs to be reduced, the electric push rod is started, the piston rod is controlled to extend out to drive the expansion plate to extend out, the expansion plate blocks a part of heat dissipation channels, and the air force sprayed by the flow guide piece is reduced; when the air quantity needs to be increased, the electric push rod is started, the piston rod is controlled to descend, the expansion plate is driven to descend and retract into the sleeve plate, the heat dissipation channel is enlarged, and the wind power sprayed out by the flow guide piece is enhanced.

Through setting up the protection shield, under the condition that does not use the shower nozzle subassembly, under the magnet piece inter attraction effect that the side was established in the protection shield for the side in close contact with of protection shield seals the protection to the discharge gate of copper shower nozzle lower extreme, prevents that the dust from getting into the discharge gate of copper shower nozzle lower extreme.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive labor. Wherein:

fig. 1 is a schematic overall structure diagram of a heat dissipation nozzle for a 3D printer according to the present invention;

fig. 2 is a schematic front structural view of a heat radiation nozzle for a 3D printer according to the present invention;

fig. 3 is a structural diagram of a heat dissipation assembly of a heat dissipation nozzle for a 3D printer according to the present invention;

fig. 4 is a schematic view of an internal structure of a heat dissipation assembly of the heat dissipation nozzle for the 3D printer according to the present invention;

fig. 5 is an internal structure diagram of a sleeve plate of a heat dissipation nozzle for a 3D printer according to the present invention;

fig. 6 is a structure diagram of a protective plate of a heat dissipation nozzle for a 3D printer according to the present invention;

fig. 7 is a protection plate internal structure view of a heat dissipation nozzle for a 3D printer according to the present invention.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic drawings, which illustrate the basic structure of the present invention in a schematic manner, and thus show only the components related to the present invention. The utility model discloses utilize structural schematic diagram etc. to carry out the detailed description, the schematic diagram is the example only, and it should not restrict here the scope of the utility model protection. In addition, the actual manufacturing process should include three-dimensional space of length, width and depth.

Referring to fig. 1 to 7, the utility model discloses a heat dissipation nozzle for 3D printer, include: the mounting base 100, be connected with shower nozzle subassembly 200 on the mounting base 100, shower nozzle subassembly 200 both sides are provided with radiator unit 300, radiator unit 300 includes water conservancy diversion piece 301, water conservancy diversion piece 301 one side is connected with fixed plate 302, shower nozzle subassembly 200 is connected to fixed plate 302, water conservancy diversion piece 301 is kept away from fixed plate 302 one side and is connected with first radiator fan 303. The material sprayed by the nozzle assembly 200 is radiated by the heat radiation assembly 300, and the first heat radiation fan 303 blows air out of the flow guide member 301 during operation, so that the material sprayed by the nozzle of the 3D printer is comprehensively cooled.

Further, the mounting base 100 comprises a mounting plate 101, the mounting plate 101 and the fixed plate 302 are connected with the spray head assembly 200 through bolts, a sliding plate 102 is connected to one side of the mounting plate 101, which is far away from the spray head assembly 302, and a roller 103 is connected to one side of the sliding plate 102, which is far away from the spray head assembly 200. Through setting up the sliding plate, the sliding plate is kept away from shower nozzle subassembly one side and is connected with the gyro wheel, sets up the slide rail that corresponds with the gyro wheel in the printer frame, and the gyro wheel drives the sliding plate and moves on the slide rail to conveniently adjust the position of shower nozzle subassembly.

Preferably, the nozzle assembly 200 includes a throat 201, the throat 201 is connected with a nozzle 202, and a throat cooling assembly 400 is clamped on the throat 201. Through setting up the inside heat efficient discharge of choke with the choke cooling module, guarantee long-time stable work of shower nozzle subassembly.

Further, the throat cooling assembly 400 includes a heat dissipation fan base 401, a second heat dissipation fan 402 is disposed in the heat dissipation fan base 401, and the heat dissipation fan base 401 is directly clamped on the throat 201. And the heat in the throat pipe is efficiently discharged through the second cooling fan.

Preferably, a heating block 601 is arranged on the nozzle 202, a heating rod and a nozzle temperature measuring sensor are arranged in the heating block 601, and a copper nozzle 604 is arranged below the heating block 601. Through setting up heating block 601, set up the heating rod in the heating block 601 and be used for the melting consumptive material, set up the consumptive material that the shower nozzle temperature measurement sensor monitoring shower nozzle subassembly 200 is in the molten state in the heating block 601.

Further, a heating groove 602 and a temperature measuring groove 603 are arranged on the heating block 601, a heating rod is arranged in the heating groove 602, and a nozzle temperature measuring sensor is arranged in the temperature measuring groove 603.

Preferably, a heat dissipation channel 301a is disposed in the flow guide 301, the flow guide 301 is L-shaped, an opening of the flow guide 301 faces the copper nozzle 604, and an air volume adjusting assembly 700 is disposed in the flow guide 301. The flow guide piece 301 is arranged on two sides of the copper spray head 604, and air generated by the first cooling fan 303 directly blows towards two sides of the copper spray head 604 through the flow guide piece 301, so that the cooling effect of materials extruded by the spray head assembly 200 is better, the cooling is uniform, and the quality of products printed by the 3D printer is improved.

Further, the air volume adjusting assembly 700 comprises an electric push rod 701, a piston rod 702 is arranged on the electric push rod 701, a telescopic plate 703 is connected to one side of the piston rod 702, the telescopic plate 703 is slidably connected in the sleeve plate 704, and a protrusion 705 is arranged at the bottom of the telescopic plate 703. The air quantity is adjusted by arranging the air quantity adjusting assembly 700, when the air quantity needs to be reduced, the electric push rod 701 is started, the piston rod 702 is controlled to extend out to drive the expansion plate 703 to extend out, the expansion plate 703 blocks a part of heat dissipation channels, and the air force sprayed by the flow guide piece 301 is reduced; when the air quantity needs to be increased, the electric push rod 701 is started, the piston rod 702 is controlled to descend, the expansion plate 703 is driven to descend and retract into the sleeve plate 704, the heat dissipation channel is expanded, and the wind power sprayed by the flow guide piece 301 is enhanced.

Preferably, the copper nozzle 604 is provided with hinge lugs 605, the hinge lugs 605 are hinged to a protection plate 606, the protection plate 606 is a quarter of an inverted conical plate, and a magnet block is bonded to the side edge of the protection plate 606. Through the arrangement of the protection plate 606, under the condition that the spray head assembly 200 is not used, under the mutual attraction effect of the magnet blocks arranged on the side edge of the protection plate 606, the side edge of the protection plate 606 is in close contact with the discharge hole at the lower end of the copper spray head 604 to seal and protect the discharge hole, so that dust is prevented from entering the discharge hole at the lower end of the copper spray head 604.

Further, the sides of the protection plates 606 are in close contact, and the magnets arranged on the sides of each adjacent protection plate 606 are opposite to each other.

The implementation mode is as follows: the mounting plate 101 is mounted on a printer frame, a roller 103 is arranged on a sliding rail, the roller 103 drives a spray head assembly 200 to adjust the left and right positions, heat dissipation assemblies 300 are arranged on two sides of the spray head assembly 200 to dissipate heat of materials sprayed by the spray head assembly 200, a first heat dissipation fan 303 blows air from two sides of a flow guide piece 301 directly opposite to a copper spray head 604 when working, so that the materials sprayed by a 3D printer nozzle are cooled comprehensively, the quality of a product printed by the 3D printer is improved, an air volume adjusting assembly 700 is arranged in the flow guide piece 301, when the air volume needs to be reduced, an electric push rod 701 is started, a piston rod 702 is controlled to extend out to drive a telescopic plate 703 to extend out, the telescopic plate 703 blocks a part of heat dissipation channels, and the air force sprayed by the flow guide piece 301 is reduced; when the air quantity needs to be increased, the electric push rod 701 is started, the piston rod 702 is controlled to descend, the expansion plate 703 is driven to descend and retract into the sleeve plate 704, the heat dissipation channel is expanded, and the wind power sprayed by the flow guide piece 301 is enhanced.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. The utility model provides a 3D printer is with heat dissipation nozzle which characterized in that: including mount pad (100), be connected with shower nozzle subassembly (200) on mount pad (100), shower nozzle subassembly (200) both sides are provided with radiator unit (300), radiator unit (300) are including water conservancy diversion spare (301), water conservancy diversion spare (301) one side is connected with fixed plate (302), shower nozzle subassembly (200) is connected in fixed plate (302), water conservancy diversion spare (301) are kept away from fixed plate (302) one side and are connected with first radiator fan (303).

2. The heat radiation nozzle for the 3D printer according to claim 1, wherein: the mounting base (100) comprises a mounting plate (101), the mounting plate (101) and the fixing plate (302) are connected with the spray head assembly (200) through bolts, one side, far away from the spray head assembly (200), of the mounting plate (101) is connected with a sliding plate (102), and one side, far away from the spray head assembly (200), of the sliding plate (102) is connected with a roller (103).

3. The heat radiation nozzle for the 3D printer according to claim 1, wherein: the spray head assembly (200) comprises a throat pipe (201), the throat pipe (201) is connected with a nozzle (202), and a throat pipe cooling assembly (400) is clamped on the throat pipe (201).

4. The heat radiation nozzle for the 3D printer according to claim 3, wherein: the throat pipe cooling assembly (400) comprises a radiating fan seat (401), a second radiating fan (402) is arranged in the radiating fan seat (401), and the radiating fan seat (401) is directly clamped on the throat pipe (201).

5. The heat dissipation nozzle for the 3D printer according to claim 1, wherein: the nozzle is characterized in that a heating block (601) is arranged on the nozzle (202), a heating rod and a spray head temperature measuring sensor are arranged in the heating block (601), and a copper spray head (604) is arranged below the heating block (601).

6. The heat dissipation nozzle for the 3D printer according to claim 5, wherein: the heating device is characterized in that a heating groove (602) and a temperature measuring groove (603) are formed in the heating block (601), a heating rod is arranged in the heating groove (602), and a spray head temperature measuring sensor is arranged in the temperature measuring groove (603).

7. The heat dissipation nozzle for the 3D printer according to claim 1, wherein: a heat dissipation channel is arranged in the flow guide piece (301), the shape of the flow guide piece (301) is L-shaped, the opening of the flow guide piece (301) faces the copper spray head (604), and an air volume adjusting assembly (700) is arranged in the flow guide piece (301).

8. The heat-dissipating nozzle for a 3D printer according to claim 7, wherein: the air volume adjusting assembly (700) comprises an electric push rod (701), a piston rod (702) is arranged on the electric push rod (701), an expansion plate (703) is connected to one side of the piston rod (702), the expansion plate (703) is connected in a sleeve plate (704) in a sliding mode, and a protrusion (705) is arranged at the bottom of the expansion plate (703).

9. The heat radiation nozzle for the 3D printer according to claim 5, wherein: be provided with articulated ear (605) on copper shower nozzle (604), articulated ear (605) all articulates there is protection shield (606), protection shield (606) are the reverse cone plate body of quarter, the side edge bonding of protection shield (606) has the magnet piece.

10. The heat-dissipating nozzle for a 3D printer according to claim 9, wherein: the sides of the protection plates (606) are in close contact, and the magnets arranged on the sides of the adjacent protection plates (606) are opposite.