CN216635396U

CN216635396U - Printer head heat abstractor is beaten to FDM formula 3D printer

Info

Publication number: CN216635396U
Application number: CN202123042470.9U
Authority: CN
Inventors: 温金龙
Original assignee: Jiangxi Newenergy Technology Institute
Current assignee: Jiangxi Newenergy Technology Institute
Priority date: 2021-12-07
Filing date: 2021-12-07
Publication date: 2022-05-31
Anticipated expiration: 2031-12-07

Abstract

The utility model discloses a heat dissipation device for a printing head of an FDM (frequency-division multiplexing) type 3D (three-dimensional) printer, which comprises a shell, wherein a heat dissipation fan is arranged on the outer wall of the shell, a printing head body is arranged in the middle of the inner wall of the shell, heat dissipation holes are formed in the bottom of the inner wall of the printing head body, a connection ring is arranged at the top of each heat dissipation hole, a material discharging bin is arranged at the top of the inner part of the printing head body, a push block is arranged in the material discharging bin, a heating strip is arranged on one side of the push block, an adjusting bolt is arranged on the other side of the push block, and a material discharging hole is formed in the bottom of the material discharging bin. According to the utility model, the heat dissipation holes are arranged in the printing head body, so that the plastic and metal powder can be solidified by the heat dissipation holes in the process of extruding the printing head from the molten plastic and metal powder, and the heat dissipation holes are annularly arranged, so that the heat dissipation holes can be used for three-dimensionally dissipating the plastic and metal powder in the discharge holes, and the heat dissipation efficiency is improved.

Description

Printer head heat abstractor is beaten to FDM formula 3D printer

Technical Field

The utility model relates to the field of 3D printing, in particular to a heat dissipation device for a printing head of an FDM type 3D printer.

Background

3D printing is one of the rapid prototyping technologies, also called additive manufacturing, and is a technology for constructing an object by using an adhesive material such as powdered metal or plastic and the like and by using a digital model file as a basis and by using a layer-by-layer printing mode, wherein 3D printing needs to be performed by using a 3D printer, the three-dimensional printer is a rapid prototyping technology, a three-dimensional model is manufactured by layering in a layer-by-layer stacking mode, and the three-dimensional printer is used for stacking and overlapping the powdered metal or plastic and the like layer by layer to form a three-dimensional entity by spraying a binder or extruding and the like.

However, in actual use, the powdered metal or plastic in the printing head used in the 3D printer is easily cooled due to the powdered metal or plastic being accumulated in the printing head, so that the powdered metal or plastic in the powdered metal or plastic is solidified, and the printing head cannot solidify the powdered metal or plastic in the extrusion process, so that the extruded material is easily melted.

Therefore, it is necessary to provide a heat dissipation device for a print head of an FDM type 3D printer to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a heat dissipation device for a printing head of an FDM type 3D printer, wherein the heat dissipation holes are formed in the printing head body through the heat dissipation holes, the heat dissipation holes can solidify plastic and metal powder in the process of extruding the printing head by using melted plastic and metal powder, and meanwhile, the heat dissipation holes are annularly formed, so that the heat dissipation holes can be used for three-dimensionally dissipating the plastic and metal powder in the discharge holes, the heat dissipation efficiency is improved, and the defects in the technology are overcome.

In order to achieve the above purpose, the utility model provides the following technical scheme: the utility model provides a FDM formula 3D printer beats printer head heat abstractor, includes the shell, the shell outer wall is provided with the heat dissipation fan, the centre of shell inner wall is provided with beats the printer head body, beat the bottom of printer head body inner wall and seted up the louvre, the go-between has been seted up at the louvre top, beat the inside top of printer head body and seted up the feed bin, the inside ejector pad that is provided with of feed bin, ejector pad one side is provided with the heating strip, the ejector pad opposite side is provided with adjusting bolt, the feed bin bottom is provided with the discharge opening, the louvre bottom is provided with the connecting pipe, connecting pipe one end is provided with solid fixed ring, gu fixed ring one end is provided with the conveyer pipe, conveyer pipe one end is provided with the cooling tube.

Preferably, the number of the heat dissipation fans is set to be a plurality of, and the two heat dissipation fans are symmetrically distributed on two sides of the horizontal center of the shell.

Preferably, the number of the heat dissipation holes is set to be a plurality, the heat dissipation holes are annularly arrayed on the vertical center line of the printing head body, the heat dissipation holes are connected through a connecting ring, and the cross section of the connecting ring is circular.

Preferably, the number of the push blocks is set to be a plurality of, the push blocks are annularly arrayed on the outer wall of the discharge bin, and the bottom of the discharge bin is obliquely arranged.

Preferably, the ejector pad and adjusting bolt threaded connection, the longitudinal section of ejector pad is right trapezoid, the ejector pad is connected with the inside recess sliding connection in blowing storehouse, the outer wall of ejector pad and the laminating of the inner wall of the recess in blowing storehouse.

Preferably, the number of the radiating pipes is set to be a plurality, and the plurality of radiating pipes are distributed on the horizontal center line of the inner wall of the shell at equal intervals.

In the technical scheme, the utility model provides the following technical effects and advantages:

1. the heat dissipation holes are arranged in the printing head body through the heat dissipation holes, the heat dissipation holes can solidify plastic and metal powder in the process of extruding the printing head by the molten plastic and metal powder, and meanwhile, the heat dissipation holes are annularly arranged, so that the heat dissipation holes can be used for three-dimensionally dissipating the plastic and metal powder in the discharge holes, and the heat dissipation efficiency is improved;

2. through the ejector pad, rotatory adjusting bolt makes adjusting bolt drive the ejector pad and slides in the inside in blowing storehouse to change the inside volume in blowing storehouse, control the inside plastics in blowing storehouse and metal powder's capacity and extrude the quantity, improved the precision that the print head extrudes plastics and metal powder.

Drawings

In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings required in the embodiments will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

FIG. 1 is a perspective view of the present invention;

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

FIG. 3 is a perspective view of the delivery tube of the present invention;

fig. 4 is a perspective view of the push block of the present invention.

Description of reference numerals:

1. a housing; 2. a heat dissipation fan; 3. a printhead body; 4. heat dissipation holes; 5. a connecting ring; 6. a discharge bin; 7. a push block; 8. heating the strip; 9. adjusting the bolt; 10. a discharge hole; 11. a connecting pipe; 12. a fixing ring; 13. a delivery pipe; 14. a heat radiation pipe.

Detailed Description

In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.

The utility model provides a heat dissipation device for a printing head of an FDM type 3D printer, which is shown in figures 1-4 and comprises a shell 1, the outer wall of the shell 1 is provided with a heat radiation fan 2, the middle of the inner wall of the shell 1 is provided with a printing head body 3, the bottom of the inner wall of the printing head body 3 is provided with a heat dissipation hole 4, the top of the heat dissipation hole 4 is provided with a connecting ring 5, the top of the interior of the printing head body 3 is provided with a material discharging bin 6, a push block 7 is arranged in the material discharging bin 6, one side of the push block 7 is provided with a heating strip 8, the other side of the push block 7 is provided with an adjusting bolt 9, the bottom of the discharge bin 6 is provided with a discharge hole 10, the bottom of the heat dissipation hole 4 is provided with a connecting pipe 11, connecting pipe 11 one end is provided with solid fixed ring 12, gu fixed ring 12 one end is provided with conveyer pipe 13, conveyer pipe 13 one end is provided with cooling tube 14.

Further, in above-mentioned technical scheme, the quantity of heat dissipation fan 2 sets up to a plurality ofly, two 2 symmetric distribution in the both sides at the horizontal center of shell 1 of heat dissipation fan can dispel the heat to the radiating fluid in radiating pipe 14 through heat dissipation fan 2, and two heat dissipation fans 2 that set up can dispel the heat to a plurality of radiating pipes 14 to can reduce the temperature of beating discharge opening 10 in the printer head body 3 fast.

Further, in the above technical scheme, the quantity of louvre 4 sets up to be a plurality of, and is a plurality of louvre 4 annular array is at the vertical center line of beating printer head body 3, and is a plurality of louvre 4 passes through go-between 5 and connects, the cross section of go-between 5 is circular, and louvre 4 sets up in the outer wall of discharge opening 10, can be to the better absorption of the heat in discharge opening 10, and the louvre 4 parcel that the while annular set up is lived discharge opening 10 and can be improved and dispel the heat to plastics and metal powder in the discharge opening 10.

Further, in above-mentioned technical scheme, the quantity of ejector pad 7 sets up to a plurality ofly, and is a plurality of 7 ring array of ejector pad are in the outer wall of blowing storehouse 6, the bottom of blowing storehouse 6 sets up for the slope, ejector pad 7 and adjusting bolt 9 threaded connection, the longitudinal section of ejector pad 7 is right trapezoid, ejector pad 7 and the inside recess sliding connection in blowing storehouse 6, the outer wall of ejector pad 7 and the inner wall laminating of the recess in blowing storehouse 6, through the distance that adjusting ejector pad 7 stretches out, can adjust the space in the blowing storehouse 6 simultaneously, prevent that the metal powder in the blowing storehouse 6 and plastics from putting into too much, the front end of ejector pad 7 is provided with heating strip 8 simultaneously and can make heating strip 8 keep warm to metal powder and plastics in the blowing storehouse 6, prevents that metal powder and plastics from condensing in go-between 5.

Further, in the above technical solution, the number of the radiating pipes 14 is set to be a plurality of, and the plurality of radiating pipes 14 are equidistantly distributed on the horizontal center line of the inner wall of the housing 1, so that the cooling liquid can better flow in the radiating pipes 14 through the plurality of radiating pipes 14, and the cooling liquid in the radiating pipes 14 can be rapidly cooled.

This practical theory of operation:

referring to the attached drawings 1-4 of the specification, when a 3D printer is required to print an article, plastic or metal powder is placed into the 3D printer, the 3D printer melts the plastic or metal powder, the melted metal powder flows into the discharging bin 6 in the printing head body 3, the space inside the discharging bin 6 is adjusted according to the article to be printed, the adjusting bolt 9 is rotated, the adjusting bolt 9 pushes the push block 7 to move inwards or outwards, the push block 7 enters or extends out of the discharging bin 6, so that the space inside the discharging bin 6 can be changed, then the heating strip 8 at the front end of the push block 7 keeps the temperature of the metal powder or the plastic in the discharging bin 6, and the metal powder and the plastic are prevented from being condensed in the discharging bin 6;

referring to fig. 1-4 of the drawings, when it is desired to extrude molten plastic or metal powder for printing, the plastic or metal powder passes through a discharge opening 10, then start heat dissipation fan 2, heat dissipation fan 2 cools down the coolant liquid in the cooling tube 14, beat plastics or metal powder of louvre 4 in the head body 3 in to the discharge opening 10 and cool down, make metal powder or plastics in the discharge opening 10 condense into the strip and extrude from the discharge opening 10 in, coolant liquid in the louvre 4 absorbs the heat after through connecting pipe 11, solid fixed ring 12, conveyer pipe 13 enters into the inside of cooling tube 14, heat dissipation fan 2 cools down the coolant liquid in the cooling tube 14, the coolant liquid is at louvre 4, go-between 5, connecting pipe 11, gu fixed ring 12,

conveyer pipe

13 and 14 inner circulations of cooling tube, thereby it cools down to continuously dispel the heat to plastics or metal powder in the discharge opening 10.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the utility model.

Claims

1. The utility model provides a printer head heat abstractor is beaten to FDM formula 3D printer, includes shell (1), its characterized in that: the outer wall of the shell (1) is provided with a heat radiation fan (2), the middle of the inner wall of the shell (1) is provided with a printing head body (3), the bottom of the inner wall of the printing head body (3) is provided with a heat dissipation hole (4), the top of the heat dissipation hole (4) is provided with a connecting ring (5), the top of the interior of the printing head body (3) is provided with a discharge bin (6), a push block (7) is arranged in the discharge bin (6), a heating strip (8) is arranged on one side of the push block (7), an adjusting bolt (9) is arranged on the other side of the push block (7), the bottom of the discharge bin (6) is provided with a discharge hole (10), the bottom of the heat dissipation hole (4) is provided with a connecting pipe (11), connecting pipe (11) one end is provided with solid fixed ring (12), gu fixed ring (12) one end is provided with conveyer pipe (13), conveyer pipe (13) one end is provided with cooling tube (14).

2. The heat dissipation device for the printing head of the FDM-type 3D printer, according to claim 1, wherein: the number of the heat dissipation fans (2) is set to be a plurality of, and the two heat dissipation fans (2) are symmetrically distributed on two sides of the horizontal center of the shell (1).

3. The heat dissipation device for the printing head of the FDM-type 3D printer, according to claim 1, wherein: the number of the heat dissipation holes (4) is set to be a plurality of, the heat dissipation holes (4) are annularly arrayed on the vertical center line of the printing head body (3), the heat dissipation holes (4) are connected through the connecting ring (5), and the cross section of the connecting ring (5) is circular.

4. The heat dissipation device for the printing head of the FDM-type 3D printer, according to claim 1, wherein: the number of the push blocks (7) is set to be a plurality of, the push blocks (7) are annularly arrayed on the outer wall of the discharge bin (6), and the bottom of the discharge bin (6) is obliquely arranged.

5. The heat dissipation device for the printing head of the FDM-type 3D printer, according to claim 1, wherein: ejector pad (7) and adjusting bolt (9) threaded connection, the longitudinal section of ejector pad (7) is right trapezoid, ejector pad (7) and the inside recess sliding connection in blowing storehouse (6), the outer wall of ejector pad (7) and the inner wall laminating of the recess in blowing storehouse (6).

6. The heat dissipation device for the printing head of the FDM-type 3D printer, according to claim 1, wherein: the number of the radiating pipes (14) is set to be a plurality of, and the radiating pipes (14) are distributed on the horizontal center line of the inner wall of the shell (1) at equal intervals.