CN209903942U

CN209903942U - Beat printer head with imitate heat dissipation function by force

Info

Publication number: CN209903942U
Application number: CN201920513528.7U
Authority: CN
Inventors: 黄兆宁; 吴国良
Original assignee: Printers (jiangmen) Co Ltd
Current assignee: Printers (jiangmen) Co Ltd
Priority date: 2019-04-16
Filing date: 2019-04-16
Publication date: 2020-01-07
Anticipated expiration: 2029-04-16

Abstract

The utility model discloses a printing head with strong heat dissipation function, which relates to the field of printers and comprises a printing head main body, wherein the outside of the printing head main body is provided with a heat dissipation shell, the heat dissipation shell comprises a first heat dissipation shell and a second heat dissipation shell, both sides of the first heat dissipation shell are respectively provided with a fixed groove, a fastening bolt is arranged in the fixed groove, the outside of the second heat dissipation shell is provided with a plurality of first heat dissipation grooves, each first heat dissipation groove is internally provided with a first heat dissipation fin, one side of the first heat dissipation shell, which is far away from the second heat dissipation shell, is fixedly connected with a detachable heat dissipation device, the utility model discloses a heat dissipation shell is sleeved on the outside of the printing head main body, the printing head main body is subjected to double heat dissipation by an air cooling and semiconductor refrigeration sheet, the heat dissipation effect is strong, the overheating phenomenon caused by large load of the printing head can be effectively, the application capability of the device is improved, and meanwhile, the device is convenient to maintain.

Description

Beat printer head with imitate heat dissipation function by force

Technical Field

The utility model relates to a printer field specifically is a beat printer head with imitate heat dissipation function by force.

Background

The 3D printer is a printing device for converting computer three-dimensional design model data into an entity model, the prior fused deposition modeling technology is the mainstream printing technology of the 3D printer, the molding precision of the technology is influenced by the transmission precision and the feeding precision to a certain extent, because a nozzle of a printing head is very close to a feeding cavity of the printing head, the high temperature during material melting is easily transmitted to the printing head cavity through a shell of the printing head, if the temperature of the printing head cavity is too high, the printing material can begin to soften at the feeding part of the printing head, so that the feeding precision is influenced and the molding precision of the printer is influenced, and if the printing material melts at the feeding part due to the high temperature of the printing head, the melting material easily blocks the printing head, so that the printer breaks down. How to improve the heat dissipation that 3D printer beaten printer head under the prerequisite that does not influence beat printer head original function is a research direction.

In chinese utility model patent document with publication number CN204488059U, a 3D printer printing head with a heat dissipation air duct is disclosed, which is to cool the printing head by arranging a heat dissipation fan and a heat dissipation channel outside the printing head, but the heat dissipation capability of the heat dissipation fan is limited, and when the temperature of the printing head is higher, the heat dissipation capability of the heat dissipation fan will appear insufficient, and will be subject to further improvement.

SUMMERY OF THE UTILITY MODEL

The utility model provides a beat printer head with imitate heat dissipation function by force to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a printing head with a strong heat dissipation function comprises a printing head main body, wherein a heat dissipation shell is arranged outside the printing head main body, the heat dissipation shell comprises a first heat dissipation shell and a second heat dissipation shell, fixing grooves are formed in two sides of the first heat dissipation shell, fastening bolts are arranged in the fixing grooves, a plurality of first heat dissipation grooves are formed in the outer side of the second heat dissipation shell, a first heat dissipation fin is arranged in each first heat dissipation groove, a detachable heat dissipation device is fixedly connected to one side, away from the second heat dissipation shell, of the first heat dissipation shell, a first heat dissipation channel and a second heat dissipation channel are respectively formed in the first heat dissipation shell and the second heat dissipation shell, the first heat dissipation channel is communicated with the second heat dissipation channel, an inner fan is arranged at the bottom end in the first heat dissipation channel, the second heat dissipation channel is communicated with the first heat dissipation grooves, the detachable heat dissipation device comprises a detachable shell, and a cold air channel is, the semiconductor refrigerating sheet is fixedly arranged in the cold air channel, the cold end and the hot end of the semiconductor refrigerating sheet are respectively and fixedly connected with the refrigerating plate and the heat dissipation plate, and the detachable shell is provided with an air inlet window communicated with the cold air channel.

As a preferred technical scheme of the utility model, can dismantle the shell and keep away from the one end of first heat dissipation shell and seted up the second radiating groove, be equipped with a plurality of second heat dissipation wings in the second radiating groove, second heat dissipation wing and heating panel fixed connection.

As an optimal technical scheme of the utility model, two induced air passageways have been seted up on the second heat dissipation shell, the fixed outer fan that is equipped with on the induced air passageway.

As an optimal technical scheme of the utility model, a plurality of refrigeration fins of fixed connection on the refrigeration board.

As a preferred technical scheme of the utility model, the both sides that can dismantle the shell are equipped with fixed limit, fixed limit passes through screw and first heat dissipation shell fixed connection.

As an optimized technical solution of the present invention, the first heat dissipation shell, the second heat dissipation shell, the first heat dissipation fin and the second heat dissipation fin are made of metal material.

The utility model discloses have following useful part: the utility model discloses a heat dissipation shell is established to outside cover at the printer head main part, carries out dual heat dissipation to the printer head main part through the refrigerated mode of forced air cooling and semiconductor refrigeration piece, and its radiating effect is strong, can effectually avoid leading to overheated phenomenon to take place when beating printer head load when big, can dismantle heat abstractor can easily dismantle simultaneously, has more improved the application ability of this device, also is convenient for maintain simultaneously.

Drawings

Fig. 1 is a schematic structural diagram of a print head with a powerful heat dissipation function.

Fig. 2 is a schematic diagram of an internal structure of a heat dissipation housing in a printhead with a strong heat dissipation function.

Fig. 3 is a schematic structural diagram of a detachable heat sink in a printhead with a powerful heat dissipation function.

In the figure: 1. a printhead body; 2. a first heat dissipation case; 3. a second heat dissipation case; 4. fixing grooves; 5. fastening a bolt; 6. a first heat sink; 7. a first heat dissipation fin; 8. a detachable heat sink; 9. a second heat sink; 10. a second heat dissipation fin; 11. an air inlet window; 12. an inner fan; 13. a first heat dissipation channel; 14. a second heat dissipation channel; 15. an outer fan; 16. an induced draft channel; 17. a semiconductor refrigeration sheet; 18. a cold air passage; 19. a refrigeration plate; 20. a refrigeration fin; 21. a heat dissipation plate; 22. the shell can be disassembled.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

It should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

Example 1

Referring to fig. 1-3, a printhead with a strong heat dissipation function includes a printhead body 1, a heat dissipation casing is disposed outside the printhead body 1, the heat dissipation casing includes a first heat dissipation casing 2 and a second heat dissipation casing 3, fixing grooves 4 are disposed on both sides of the first heat dissipation casing 2, fastening bolts 5 are disposed in the fixing grooves 4, and the printhead is characterized in that a plurality of first heat dissipation grooves 6 are disposed on an outer side of the second heat dissipation casing 3, a first heat dissipation fin 7 is disposed in each first heat dissipation groove 6, a detachable heat dissipation device 8 is fixedly connected to a side of the first heat dissipation casing 2 away from the second heat dissipation casing 3, a first heat dissipation channel 13 and a second heat dissipation channel 14 are disposed in the first heat dissipation casing 2 and the second heat dissipation casing 3, the first heat dissipation channel 13 is communicated with the second heat dissipation channel 14, an inner fan 12 is disposed at a bottom end of the first heat dissipation channel 13, and the second heat dissipation channel is communicated with the first heat dissipation groove 6, the detachable heat dissipation device 8 comprises a detachable shell 22, a cold air channel 18 is arranged in the detachable shell 22, a semiconductor refrigeration sheet 17 is fixedly arranged in the cold air channel 18, the cold end and the hot end of the semiconductor refrigeration sheet are respectively and fixedly connected with a refrigeration plate 19 and a heat dissipation plate 21, and an air inlet window 11 communicated with the cold air channel 18 is formed in the detachable shell 22.

The detachable shell 22 is far away from one end of the first heat dissipation shell 2 and is provided with a second heat dissipation groove 9, a plurality of second heat dissipation fins 10 are arranged in the second heat dissipation groove 9, the second heat dissipation fins 10 are fixedly connected with a heat dissipation plate 21, a plurality of refrigeration fins 20 are fixedly connected to the refrigeration plate 19, and the first heat dissipation shell 2, the second heat dissipation shell 3, the first heat dissipation fins 7 and the second heat dissipation fins 10 are made of metal materials. The first heat dissipation groove 6 communicates with the second heat dissipation channel 14.

Example 2

Referring to fig. 1-3, the other contents of the present embodiment are the same as embodiment 1, except that: two induced air channels 16 are formed in the second heat dissipation shell 3, an outer fan 15 is fixedly arranged on the induced air channels 16, fixing edges are arranged on two sides of the detachable shell 22, and the fixing edges are fixedly connected with the first heat dissipation shell 2 through screws.

The utility model discloses in the implementation process, start interior fan 12, the outside air then gets into in the first heat dissipation channel 13 from air inlet window 11 and then at last from first radiating groove 6 discharges in the reentrant second heat dissipation channel 14, the heat that will beat printer head main part 1 and produce is taken away, start outer fan 15, air flow rate in first heat dissipation channel 13 and the second heat dissipation channel 14 can be strengthened, thereby accelerate the radiating rate, when needs carry out the forced heat dissipation, make semiconductor refrigeration piece 17 circular telegram, the cold junction refrigeration of semiconductor refrigeration piece 17, thereby make refrigeration board 19 and refrigeration fin 20 cooling, the air gets into in first heat dissipation channel 13 and the second heat dissipation channel 14 from air inlet window 11 cooling after getting into air conditioning channel 18, thereby cooling with higher speed.

The utility model discloses a heat dissipation shell is established to the outside cover of beating printer head main part 1, carries out dual heat dissipation to printer head main part 1 through the refrigerated mode of forced air cooling and semiconductor refrigeration piece 17, and its radiating effect is strong, can effectually avoid leading to overheated phenomenon to take place when beating printer head load when big, can dismantle heat abstractor 8 simultaneously and can easily dismantle, has more improved the application ability of this device, also is convenient for maintain simultaneously.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. 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. A printing head with a strong heat dissipation function comprises a printing head main body (1), wherein a heat dissipation shell is arranged outside the printing head main body (1), the heat dissipation shell comprises a first heat dissipation shell (2) and a second heat dissipation shell (3), fixing grooves (4) are formed in two sides of the first heat dissipation shell (2), and fastening bolts (5) are arranged in the fixing grooves (4), the printing head is characterized in that a plurality of first heat dissipation grooves (6) are formed in the outer side of the second heat dissipation shell (3), a first heat dissipation fin (7) is arranged in each first heat dissipation groove (6), a detachable heat dissipation device (8) is fixedly connected to one side, away from the second heat dissipation shell (3), of the first heat dissipation shell (2) and one side, away from the second heat dissipation shell (3), of the first heat dissipation channel (13) and the second heat dissipation channel (14) are respectively formed in the first heat dissipation shell (2) and the second heat dissipation shell (3), and the first heat dissipation channel (13) is communicated with the, fan (12) in the bottom in first heat dissipation channel (13) is equipped with, and second heat dissipation channel is linked together with first radiating groove (6), can dismantle heat abstractor (8) including dismantling shell (22), can dismantle and be equipped with air conditioning channel (18) in shell (22), air conditioning channel (18) internal fixation is equipped with semiconductor refrigeration piece (17), and the cold junction and the hot junction of semiconductor refrigeration piece (17) are fixed connection fridge (19) and heating panel (21) respectively, can dismantle and set up air inlet window (11) that are linked together with air conditioning channel (18) on shell (22).

2. The printing head with the powerful heat dissipation function according to claim 1, wherein a second heat dissipation groove (9) is formed in one end, away from the first heat dissipation shell (2), of the detachable housing (22), a plurality of second heat dissipation fins (10) are arranged in the second heat dissipation groove (9), and the second heat dissipation fins (10) are fixedly connected with the heat dissipation plate (21).

3. The printing head with the strong heat dissipation function according to claim 1, wherein the second heat dissipation shell (3) is provided with two air induction channels (16), and the air induction channels (16) are fixedly provided with an external fan (15).

4. The printing head with the function of strongly dissipating heat according to claim 1, wherein a plurality of cooling fins (20) are fixedly connected to the cooling plate (19).

5. The print head with the function of strongly dissipating heat according to claim 1, wherein fixing edges are provided on both sides of the detachable housing (22), and the fixing edges are fixedly connected with the first heat dissipating case (2) by screws.

6. The print head with the powerful heat dissipation function according to claim 1, wherein the first heat dissipation case (2), the second heat dissipation case (3), the first heat dissipation fins (7), and the second heat dissipation fins (10) are made of a metal material.