CN212826863U

CN212826863U - Take two extruder heads of 3D printer in two cooling wind gaps

Info

Publication number: CN212826863U
Application number: CN202021374990.2U
Authority: CN
Inventors: 张新江; 李春英
Original assignee: Tianjin Tanao Electronics Co ltd
Current assignee: Zhuhai Haolike Dental Technology Co ltd
Priority date: 2020-07-13
Filing date: 2020-07-13
Publication date: 2021-03-30
Anticipated expiration: 2030-07-13

Abstract

The utility model provides a double extrusion machine head of a 3D printer with double cooling air openings, which belongs to the technical field of 3D printing, and comprises a machine head main body and a heat dissipation component, wherein a motor is connected with a wire feeding gear in a transmission way, a wire feeding pipe is arranged at the top of a shell, air inlets are arranged at two side parts of the shell, an air outlet and a throat pipe mounting hole are arranged at the bottom of the shell, the air outlet is communicated with external air draft equipment, a first fin is fixedly connected with one side of the back plate close to the inner part of the shell, a second fin is fixedly arranged on the fixed plate, the fixed plate is fixedly arranged at the outer side of the back plate, a water pipe penetrates through the second fin, the water pipe is communicated with a water outlet of a water pump, a spray head is arranged on the water pipe, a fan is arranged at one side of the second, this 3D printer extruder head radiating effect is better, convenient to detach maintenance and installation.

Description

Take two extruder heads of 3D printer in two cooling wind gaps

Technical Field

The utility model relates to a 3D prints technical field, particularly, relates to two extruder heads of 3D printer in two cooling wind gaps in area.

Background

3D printing is one of the rapid prototyping technologies, which is a technology for constructing an object by printing layer by layer using an adhesive material such as powdered metal or plastic based on a digital model file. The extrusion aircraft nose of 3D printer need cool down at the during operation, and two sets of extruder radiators of current two extrusion aircraft noses need and one set at least model cooling air-blower, and the accessory is many, and is bulky, moves heavily, and the maintenance is complicated to the radiating effect is not good enough, influences 3D printer's printing.

SUMMERY OF THE UTILITY MODEL

In order to compensate above not enough, the utility model provides a take two aircraft noses of extruding of 3D printer in two cooling wind gaps aims at improving that current two extruder nose accessories are many, and is bulky, moves heavily, and the maintenance is complicated to the not good enough problem of radiating effect.

The utility model discloses a realize like this: the utility model provides a take two aircraft nose of extruding of 3D printer in two cooling wind gaps, includes aircraft nose main part and radiator unit.

The aircraft nose main part includes the shell, advances a gear, concave round and motor, advance a gear with the concave round rotates install in shell inner wall, motor fixed mounting in shell outer wall, the motor with advance a gear drive and connect, the silk pipe has been seted up at the shell top, the air intake has been seted up to shell both sides portion, air exit and choke mounting hole have been seted up to the shell bottom, the air exit communicates with outside air extraction equipment.

The heat dissipation assembly comprises a first fin, a second fin, a fixing plate, a water pump, a fan, a water pipe and a spray head, the shell is provided with a back plate, the first fin is fixedly connected to one side, close to the inside of the shell, of the back plate, the second fin is fixedly installed on the fixing plate, the fixing plate is fixedly installed on the outer side of the back plate, the water pipe penetrates through the second fin, the water pipe is communicated with a water outlet of the water pump, the spray head is installed on the water pipe, and the fan is arranged on one side, away from the fixing plate, of the second fin.

In an embodiment of the present invention, the first fins are provided on the back plate in a plurality, and the second fins are provided on the fixing plate at equal intervals.

In an embodiment of the present invention, the first fin and the back plate are integrally disposed, the first fin and the back plate are made of an aluminum alloy material, the second fin and the fixing plate are integrally disposed, and the second fin and the fixing plate are both disposed as a copper sheet.

In an embodiment of the present invention, the fixing plate is away from one side of the second fin is fixed with a heat conducting pad, the heat conducting pad is in interference fit with the back plate.

The utility model discloses an in the embodiment, there are two fixed blocks through bolt fixed mounting on the fixed plate, the upper and lower both ends of fan are respectively through bolt fixed mounting in two the fixed block.

The utility model discloses an in the embodiment, fan bottom the aqua storage tank has been seted up on fixed block upper portion, the length of aqua storage tank is greater than the length of second fin, the width of aqua storage tank is greater than the width of second fin.

In an embodiment of the present invention, the fixing block has a drain pipe fixedly mounted on a side portion thereof, and the drain pipe is communicated with the water storage tank.

In an embodiment of the present invention, the nozzles are disposed on the water pipe at equal intervals.

In an embodiment of the present invention, the water pipe is disposed in a winding and circuitous manner, and the water pipe is uniformly distributed on the second fin.

In an embodiment of the present invention, the water spraying opening of the nozzle is aligned with the fixing plate.

The utility model has the advantages that: the utility model discloses a two extruder heads of 3D printer of taking two cooling wind gaps that obtain through above-mentioned design, when using, supply water to the water pipe through the water pump, spout the water in the water pipe on the second fin through the shower nozzle, carry out the convulsions to the second fin through the fan, the temperature on the second fin is reduced to the water rapid evaporation on the second fin, and then make the temperature on fixed plate, backplate and the first fin reduce, go on convulsions to the shell inside through outside air drafting equipment, outside air enters the shell inside through the air intake, then discharge through the air exit, this 3D printer extruder head cools down through a set of radiator unit, on the one hand, take away the heat that produces in the shell through the air flow of air intake and air exit, on the other hand, cool down the shell inside through radiator unit, dual cooling makes 3D printer two extruder head inside cooling effect better, guarantee the normal work of two extruder heads of 3D printer to reduced the accessory of extruding the head, convenient to detach maintenance and installation.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic view of an internal front view of a double extruder head of a 3D printer with double cooling air ports according to an embodiment of the present invention;

fig. 2 is a schematic top view of the inside of a double extruder head of a 3D printer with double cooling air ports according to an embodiment of the present invention;

FIG. 3 is an enlarged view of position A of FIG. 2;

fig. 4 is a schematic structural diagram of a fixing block according to an embodiment of the present invention;

fig. 5 is a rear view schematic diagram of a water pipe provided by the embodiment of the present invention.

In the figure: 100-a handpiece body; 110-a housing; 111-a back-plate; 112-a wire feeding pipe; 113-an air inlet; 114-an air outlet; 115-throat mounting holes; 120-a wire feeding gear; 130-a concave wheel; 140-a motor; 200-a heat dissipation assembly; 210-a first fin; 220-a second fin; 230-a fixed plate; 231-a heat conducting pad; 240-water pump; 250-a fan; 260-water pipe; 270-a spray head; 280-fixing block; 281-a water storage tank; 282-Drain pipe.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are 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.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Examples

The utility model provides a technical scheme: a double-extrusion machine head of a 3D printer with double cooling air openings comprises a machine head main body 100 and a heat dissipation assembly 200.

Referring to fig. 1, the handpiece main body 100 includes a housing 110, a wire feeding gear 120, a concave wheel 130 and a motor 140, a bearing installation tube is fixedly installed on the housing 110, the wire feeding gear 120 and the concave wheel 130 are rotatably installed on the bearing installation tube on the inner wall of the housing 110 through a bearing, the motor 140 is fixedly installed on the outer wall of the housing 110, an output shaft of the motor 140 penetrates through the housing 110, the output shaft of the motor 140 is in transmission connection with the wire feeding gear 120, a wire feeding tube 112 for feeding wires is provided on the top of the housing 110, air inlets 113 for feeding air into the housing 110 are provided on both sides of the housing 110, an air outlet 114 for exhausting air into the housing 110 and a throat tube installation hole 115 for installing a throat tube are provided on the bottom of the housing 110, and the air outlet 114 is communicated with.

Referring to fig. 2 and 3, the heat dissipation assembly 200 includes a first fin 210, a second fin 220, a fixing plate 230, a water pump 240, a fan 250, a water pipe 260 and a nozzle 270, the housing 110 is provided with a back plate 111, the first fin 210 is fixedly connected to one side of the back plate 111 close to the inside of the housing 110, the second fin 220 is fixedly installed on the fixing plate 230, the fixing plate 230 is fixedly installed outside the back plate 111, the water pipe 260 penetrates through the second fin 220, the water pipe 260 is communicated with a water outlet of the water pump 240, the nozzle 270 is installed on the water pipe 260, the nozzle 270 is equidistantly arranged on the water pipe 260, a water outlet of the nozzle 270 is aligned with the fixing plate 230, and the fan 250 is arranged on one side of the.

In some specific embodiments, the first fins 210 are arranged on the back plate 111 in a plurality, the second fins 220 are arranged on the fixing plate 230 at equal intervals, the first fins 210 and the back plate 111 are arranged integrally, the first fins 210 and the back plate 111 are made of an aluminum alloy material, the second fins 220 and the fixing plate 230 are arranged integrally, the second fins 220 and the fixing plate 230 are both arranged as copper sheets, the heat conduction effect of the copper material is good, and the arrangement of the first fins 210 and the second fins 220 increases the heat exchange effect.

In some embodiments, a heat conducting pad 231 is fixedly bonded to a side of the fixing plate 230 away from the second fin 220, the heat conducting pad 231 is in interference fit with the back plate 111, and the heat conducting pad 231 is disposed to increase a heat conducting effect between the fixing plate 230 and the back plate 111.

Referring to fig. 4, in some specific embodiments, two fixing blocks 280 are fixedly mounted on the fixing plate 230 through bolts, the upper and lower ends of the fan 250 are respectively fixedly mounted on the two fixing blocks 280 through bolts, a water storage tank 281 is formed in the upper portion of the fixing block 280 at the bottom of the fan 250, the length of the water storage tank 281 is greater than that of the second fin 220, the width of the water storage tank 281 is greater than that of the second fin 220, a water discharge pipe 282 is fixedly mounted on the side portion of the fixing block 280, the water discharge pipe 282 is communicated with the water storage tank 281, the fan 250 is fixedly mounted through the fixing block 280, water flowing down from the second fin 220 is collected through the water storage tank 281, and water inside the water storage tank 281 is discharged through the water discharge.

Referring to fig. 5, in some embodiments, the water pipes 260 are arranged in a winding manner, and the water pipes 260 are uniformly distributed on the second fins 220, so as to increase the range and uniformity of the water spraying area of the second fins 220, and further improve the cooling effect of the second fins 220.

The working principle is as follows: during the use, supply water to water pipe 260 through water pump 240, spout the second fin 220 with the water in the water pipe 260 through shower nozzle 270 on, carry out convulsions to second fin 220 through fan 250, the water rapid evaporation on the second fin 220 makes the temperature reduction on the second fin 220, and then make fixed plate 230, the temperature reduction on backplate 111 and the first fin 210, go on convulsions to shell 110 inside through outside air drafting equipment, outside air passes through air intake 113 and gets into inside shell 110, then discharge through air exit 114, this 3D printer extruder head cools down through a set of radiator unit 200, the air flow through air intake 113 and air exit 114 takes away the heat that shell 110 inside produced on the one hand, on the other hand cools down to shell 110 inside through radiator unit 200.

It should be noted that the operation of the extrusion head of the 3D printer and the use principle thereof are clear to those skilled in the art, and will not be described in detail herein.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. Two extruder heads of 3D printer in two cooling wind gaps in area, its characterized in that includes

The handpiece main body (100) comprises a shell (110), a wire inlet gear (120), a concave wheel (130) and a motor (140), wherein the wire inlet gear (120) and the concave wheel (130) are rotatably installed on the inner wall of the shell (110), the motor (140) is fixedly installed on the outer wall of the shell (110), the motor (140) is in transmission connection with the wire inlet gear (120), a wire inlet pipe (112) is arranged at the top of the shell (110), air inlets (113) are arranged at two side parts of the shell (110), an air outlet (114) and a throat pipe installation hole (115) are arranged at the bottom of the shell (110), and the air outlet (114) is communicated with external air extracting equipment;

radiating component (200), radiating component (200) includes first fin (210), second fin (220), fixed plate (230), water pump (240), fan (250), water pipe (260) and shower nozzle (270), shell (110) is provided with backplate (111), first fin (210) fixed connection in backplate (111) is close to shell (110) inside one side, second fin (220) fixed mounting in fixed plate (230), fixed plate (230) fixed mounting in the backplate (111) outside, water pipe (260) run through in second fin (220), water pipe (260) with the outlet intercommunication of water pump (240), shower nozzle (270) install in water pipe (260), fan (250) set up in second fin (220) keep away from one side of fixed plate (230).

2. The dual extruder head for 3D printer with dual cooling air ports according to claim 1, wherein the first fins (210) are provided in plurality on the back plate (111), and the second fins (220) are provided equidistantly on the fixing plate (230).

3. The dual-extrusion head of the 3D printer with the dual cooling air ports as claimed in claim 1, wherein the first fin (210) is integrally formed with the back plate (111), the first fin (210) and the back plate (111) are made of an aluminum alloy material, the second fin (220) is integrally formed with the fixing plate (230), and the second fin (220) and the fixing plate (230) are both formed as copper sheets.

4. The double 3D printer head with double cooling air openings as claimed in claim 1, wherein a heat conducting pad (231) is fixedly glued to one side of the fixing plate (230) far away from the second fin (220), and the heat conducting pad (231) is in interference fit with the back plate (111).

5. The dual-extruder head of a 3D printer with dual cooling air ports as claimed in claim 1, wherein two fixing blocks (280) are fixedly mounted on the fixing plate (230) through bolts, and the upper and lower ends of the blower (250) are respectively fixedly mounted on the two fixing blocks (280) through bolts.

6. The double extrusion head of the 3D printer with the double cooling air outlets as claimed in claim 5, wherein a water storage groove (281) is formed in an upper portion of the fixing block (280) at the bottom of the blower (250), a length of the water storage groove (281) is greater than a length of the second fin (220), and a width of the water storage groove (281) is greater than a width of the second fin (220).

7. The dual extruder head of 3D printer with dual cooling air ports as claimed in claim 6, wherein a drain pipe (282) is fixedly installed at the side of the fixing block (280), and the drain pipe (282) is communicated with the water storage tank (281).

8. The dual extruder head for 3D printer with dual cooling vents according to claim 1, wherein the nozzles (270) are arranged equidistantly on the water pipe (260).

9. The dual extruder head for 3D printer with dual cooling air ports according to claim 1, wherein the water pipe (260) is arranged in a winding and winding way, and the water pipe (260) is uniformly distributed on the second fin (220).

10. The dual extruder head for 3D printer with dual cooling vents of claim 1, wherein the water jet of the nozzle (270) is aligned with the fixing plate (230).