CN211542388U

CN211542388U - 3D printing pen convenient for heat dissipation

Info

Publication number: CN211542388U
Application number: CN201921982121.5U
Authority: CN
Inventors: 蒋昆
Original assignee: Zhuhai Sunlu Industry Co ltd
Current assignee: Zhuhai Sunlu Industry Co ltd
Priority date: 2019-11-15
Filing date: 2019-11-15
Publication date: 2020-09-22
Anticipated expiration: 2029-11-15

Abstract

The utility model relates to the field of 3D printing, in particular to a 3D printing pen convenient for heat dissipation, which comprises a shell, a printing head and a heat dissipation plate; the shell is provided with a driving mechanism and a feeding pipeline, and the shell is provided with a radiating hole group; the printing head is arranged at the end part of the shell and comprises a pen point, a nozzle and a heating element, and meshes are arranged on the periphery of the pen point; the heat dissipation plate is disposed between the housing and the print head. Above-mentioned 3D print pen is through setting up the mesh on the nib, seting up the thermovent group on the casing, gives off the heat that heating element produced in the air through multiple route to reach radiating effect, this scheme can effectively reduce the temperature that beats printer head department, prevents that electronic component from burning out because of the high temperature also can protect operating personnel's safety simultaneously, has heat radiation structure simple, and the effect is obvious and low in manufacturing cost's advantage.

Description

3D printing pen convenient for heat dissipation

Technical Field

The utility model relates to a 3D prints the field, concretely relates to 3D printing pen.

Background

The 3D printing pen mainly injects PLA or ABS plastics inside the pen container through the heating, makes the material receive the heat and melts into semi-solid state after, draws the semi-solid into the line strip again and can realize the purpose of 3D writing drawing. The 3D print pen includes casing and print head etc. usually, beats printer head and interior heating element and the nozzle of having included, and 3D print pen is in the use, because the heat that heating element produced, has not only increased the risk that electronic component burns out, causes harm such as scald to the human body easily simultaneously, and current 3D print pen heat dissipation scheme is because the louvre sets up unreasonablely to there is shortcoming such as heat radiation structure is poor, the radiating effect end, manufacturing cost height.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a 3D printing pen easy to dissipate heat, which comprises a shell, a heat dissipation plate and a printing head, wherein a feeding pipeline and a driving mechanism are arranged in the shell, and the driving mechanism is used for driving consumables to be conveyed along the feeding pipeline; the heat dissipation plate is arranged at one end of the shell; the printing head is detachably arranged at one end, close to the heat dissipation plate, of the shell, the printing head comprises a pen point, a nozzle and a heating element, the nozzle is accommodated in the pen point, the heating element is arranged on the outer surface of the nozzle, and the nozzle is communicated with the feeding pipeline; the shell is provided with a plurality of radiating hole groups corresponding to the radiating plate, and the pen point is provided with a plurality of meshes.

Above-mentioned 3D printing pen, the mesh on the heat accessible nib that heating element produced and the radiating hole group on the casing diffuse to the air in, also can be through the heating panel with heat diffusion to the casing in, multiple radiating mode common work can effectively reduce the temperature of beating printer head department, can prevent that electronic component from burning out because of the high temperature and also protected operating personnel's safety simultaneously, has heat radiation structure simple, and the effect is obvious and low in manufacturing cost's advantage.

According to the utility model discloses a one of them embodiment, the mesh horizontal slope sets up around the nib, and the advantage of horizontal slope trompil lies in the loss of reducible nib structural strength, can improve operating personnel's the hand of gripping simultaneously.

According to the utility model discloses a wherein one of them embodiment, the nozzle holding is in the nib, both the nozzle with heating element all with the nib contactless, its aim at prevents that the heat in nozzle and the heating element from directly conducting to the nib on, prevents to scald the human body because of the nib is overheated.

According to the utility model discloses a wherein one of them embodiment, heating element is the heating wire, the nozzle surface is equipped with the spiral groove, and in the heating element winding was fixed in the spiral groove, its aim at fixed heating element can make heating element and nozzle fully contact simultaneously, improves heat utilization rate.

According to one embodiment of the present invention, the driving mechanism comprises a feeding wheel and a driven wheel; the feeding wheel and the driven wheel are respectively arranged on two sides of the feeding pipeline, the feeding wheel is connected with a motor, the motor is used for driving the feeding wheel to rotate to push materials to be fed into the feeding pipeline, and the feeding device has the advantages of being simple and convenient to operate, high in feeding efficiency and the like.

According to the utility model discloses a wherein, it still includes the radiation shield to beat printer head, the radiation shield sets up on heating element, the tip of nozzle salient in the radiation shield, the nib sets up the radiation shield is outside. Its aim at is through setting up the insulating sleeve and keeping apart heating element, avoids operating personnel to contact heating element and produces the potential safety hazard.

According to the utility model discloses an one of them embodiment, the radiation shield casing adopts the cotton material of glass fiber to make, and glass fiber cotton is the inorganic non-metallic material of an excellent performance, has advantages such as insulating nature is good, the heat resistance is strong, corrosion resistance is good, can keep apart the heat that heating element produced effectively.

According to the utility model discloses a one of them embodiment still includes the battery, the battery all sets up in the casing, the casing is opened in battery one side has the USB groove, and its aim at also conveniently carries simultaneously through the duration that sets up the multiplicable printing pen of battery.

Drawings

The present invention will be further described with reference to the accompanying drawings and examples;

FIG. 1 is an exploded view of an embodiment of the present invention;

fig. 2 is a schematic overall structure diagram of an embodiment of the present invention;

fig. 3 is a front view of a sprinkler structure according to an embodiment of the present invention;

fig. 4 is a cross-sectional view of the feeding pipe and the driving mechanism of the present invention.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

As shown in fig. 1 and 2, the 3D printing pen with easy heat dissipation comprises a housing 1, a printing head 2 disposed at an end of the housing 1, and a heat dissipation plate 3 disposed between the printing head 2 and the housing 1; the shell 1 is formed by splicing an upper shell and a lower shell which correspond to each other, a driving mechanism 4 and a feeding pipeline 5 are arranged in the shell 1, a limiting groove for fixedly mounting each part is also arranged in the shell 1, the feeding pipeline 5 is fixed in the limiting groove, the output end of the driving mechanism 4 is fixed on one side of the feeding pipeline 5 through a bolt, a circuit board 7 and a switch assembly 8 are also arranged above the driving mechanism 4 and used for controlling the work of each element of a product, a radiating hole group 11 is arranged at a position on the shell 1 corresponding to the radiating plate 3, radiating holes of the radiating hole group 11 are uniformly distributed in a hexagon shape, and 13 radiating holes are arranged in total; the printing head 2 comprises a pen point 20, a nozzle 21 and a heating element 22 arranged on the nozzle 21, the pen point 20 is detachably mounted on the shell 1 through threaded connection, the nozzle 21 penetrates through the heat dissipation plate 3 and is communicated with the feeding pipeline 5 through threaded connection, the nozzle 21 and the heating element 22 are accommodated in the pen point 20, and the pen point 20 is provided with a plurality of meshes 201; the heat dissipation plate 3 is fixed in a limiting groove in the shell 1, a flow guide hole is formed in the heat dissipation plate 3, one end of the heat dissipation plate 3 is sleeved with the nozzle 21, and the other end of the heat dissipation plate is sleeved with the feeding pipeline 5.

Above-mentioned 3D printing pen, the heat that heating element 22 produced can be through mesh 201 on the nib 20 and the louvre 11 group on the casing 1 diffuse to the air, also can be through heating panel 3 with heat diffusion to the casing 1 in, multiple radiating mode is worked jointly, can effectively reduce and beat printer head 2's temperature, prevent that electronic component from burning out because of the high temperature and also protected operating personnel's safety simultaneously, it is simple to have a heat radiation structure, the obvious and low in manufacturing cost's of effect advantage.

As a further improvement of the above scheme, as shown in FIG. 3, the mesh 201 is transversely and obliquely arranged on the periphery of the pen point 20, the rear end of the pen point 20 is symmetrically provided with four meshes, the front end of the pen point 20 is symmetrically provided with two meshes, and the transverse and oblique holes have the advantages of reducing the loss of the structural strength of the pen point and improving the holding hand feeling of an operator.

As a further improvement of the above scheme, the nozzle 21 and the heating element 22 are not in direct contact with the pen point 20, and the purpose is to prevent the heat in the nozzle 21 and the heating element 22 from being directly conducted to the pen point 20, and prevent the pen point from overheating and burning the human body.

As a further improvement of the above scheme, the heating element 22 is heated by an electric heating wire, the outer surface of the nozzle 21 is provided with a spiral groove, the specification of the heating element 22 is matched with the specification of the nozzle 21, and the heating element 22 is wound and fixed in the spiral groove, so as to fix the heating element 22, and simultaneously, the heating element 22 and the nozzle 21 can be fully contacted, thereby improving the heat energy utilization rate.

As a further improvement of the above solution, as shown in fig. 4, the driving mechanism 4 includes a feeding wheel 42 and a driven wheel 43; the feeding wheel 42 and the driven wheel 43 are respectively arranged on two sides of the feeding pipeline 5, the feeding wheel 42 is connected with the motor 41 through a rotating shaft, the motor 41 is fixedly installed in the shell through bolts, and the purpose is to use the motor 41 to drive the feeding wheel 42 to rotate so as to push materials to be fed into the feeding pipeline 5, so that the feeding device has the advantages of being simple and convenient to operate, high in feeding efficiency and the like.

As a further improvement of the above scheme, the print head 2 further includes a heat insulating sleeve 23, the heat insulating sleeve 23 is sleeved on the heating element 22, the end of the nozzle 21 protrudes out of the heat insulating sleeve 23, and the pen point 20 is disposed outside the heat insulating sleeve 23. Its aim at avoids operating personnel to contact heating element potential safety hazard through setting up insulating sleeve 23 isolation heating element.

As a further improvement of the above scheme, the heat insulation sleeve 23 is made of glass fiber cotton, which is an inorganic non-metallic material with excellent performance, and has the advantages of good insulation, strong heat resistance, good corrosion resistance, and the like, and can effectively isolate heat generated by the heating element.

As a further improvement of the scheme, the battery pack further comprises a storage battery 6, the storage battery 6 is fixed in a limiting groove of the shell 1 through a bolt, a USB groove is formed in one side of the storage battery 6 of the shell 1, a charging port of the storage battery 6 is in butt joint with the USB groove, the storage battery 6 is a polymer lithium battery with the specification of 3000mA and 3.7V, the storage battery 6 is communicated with the circuit board 7 through a wire, and the storage battery 6 can be charged through an external power supply. Its aim at is through setting up the duration of battery 6 multiplicable printing pens, also conveniently carries simultaneously.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the gist of the present invention within the knowledge range of those skilled in the art.

Claims

1. The utility model provides a convenient radiating 3D printing pen, its characterized in that includes:

the consumable conveying device comprises a shell (1), wherein a conveying pipeline (5) and a driving mechanism (4) are arranged in the shell (1), and the driving mechanism (4) is used for driving consumables to be conveyed along the conveying pipeline (5);

a heat dissipation plate (3) provided at one end of the housing (1);

the printing head (2) is detachably arranged at one end, close to the heat dissipation plate (3), of the shell (1), the printing head (2) comprises a pen point (20), a nozzle (21) and a heating element (22), the nozzle (21) is accommodated in the pen point (20), the heating element (22) is arranged on the outer surface of the nozzle (21), and the nozzle (21) is communicated with the feeding pipeline (5);

the shell (1) is provided with a radiating hole group (11) at a position corresponding to the radiating plate (3), and the pen point (20) is provided with a plurality of meshes (201).

2. The 3D printing pen facilitating heat dissipation according to claim 1, wherein the mesh (201) is transversely and obliquely arranged on the periphery of the pen point.

3. The 3D printing pen facilitating heat dissipation according to claim 1, wherein the nozzle (21) is housed in the pen head (20), and both the nozzle (21) and the heat generating element (22) are in no contact with the pen head (20).

4. The 3D printing pen facilitating heat dissipation according to claim 1, wherein the heating element (22) is a heating wire, the outer surface of the nozzle (21) is provided with a spiral groove, and the heating element (22) is wound and fixed in the spiral groove.

5. The 3D printing pen facilitating heat dissipation according to claim 1, wherein the driving mechanism (4) comprises a feeding wheel (42) and a driven wheel (43); the feeding wheel (42) and the driven wheel (43) are respectively arranged on two sides of the feeding pipeline (5), and the feeding wheel (42) is connected with a motor (41).

6. The 3D printing pen facilitating heat dissipation according to claim 1, wherein the printing head (2) further comprises a heat insulating sleeve (23), the heat insulating sleeve (23) is arranged on the heating element (22), the end of the nozzle (21) protrudes out of the heat insulating sleeve (23), and the pen point (20) is arranged outside the heat insulating sleeve (23).

7. The 3D printing pen facilitating heat dissipation according to claim 6, wherein the heat insulation sleeve (23) is made of glass fiber cotton material.

8. The 3D printing pen convenient for heat dissipation according to claim 1, further comprising a storage battery (6), wherein the storage battery (6) is fixedly installed in the housing (1), and a USB slot is formed in the housing (1) on one side of the storage battery (6).