CN214927132U - Heat-insulating 3D printing pen nozzle and 3D printing pen comprising same - Google Patents

Heat-insulating 3D printing pen nozzle and 3D printing pen comprising same Download PDF

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Publication number
CN214927132U
CN214927132U CN202120247234.1U CN202120247234U CN214927132U CN 214927132 U CN214927132 U CN 214927132U CN 202120247234 U CN202120247234 U CN 202120247234U CN 214927132 U CN214927132 U CN 214927132U
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nozzle
heat
pen
side wall
inclined part
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CN202120247234.1U
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Chinese (zh)
Inventor
张涛
吴威
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Deli Group Co Ltd
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Deli Group Co Ltd
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Abstract

The utility model provides a thermal-insulated heat preservation 3D print pen nozzle and contain its 3D print pen, this nozzle is including heating nozzle body (1), the lateral wall of heating nozzle body (1) on the cover be equipped with tubulose carrier (2), tubulose carrier (2) on the coating have thermal-insulated coating (3), thermal-insulated coating (3) the lateral wall on the cover be equipped with a plurality of heat dissipation channel (4a) on the preceding terminal surface of nib safety cover (4), nib safety cover (4). This application has the surface temperature that can effectual reduction nib, can also reduce the calorific loss of nib simultaneously, shortens the effect of heat time.

Description

Heat-insulating 3D printing pen nozzle and 3D printing pen comprising same
Technical Field
The application relates to the technical field of 3D printing pens, and concretely relates to thermal-insulated heat preservation 3D printing pen nozzle and contain its 3D printing pen.
Background
At present, 3D printing technology is increasingly popular with people, and is applied to printing of buildings and artware; the pen capable of 3D printing is also developed in the field of stationery, and the pen realizes the effect of 3D printing by heating printing materials and then flowing out of the pen head and rapidly cooling and shaping in air; however, the pen point of the 3D printing pen with the structure is close to the heating device and always conveys the printing material melted at high temperature, so that the temperature of the pen point is high, the use experience is influenced, and even a user can be scalded; but also results in significant heat loss, reduced heating efficiency of the printing material, and prolonged heating time of the printing material.
SUMMERY OF THE UTILITY MODEL
This application is not enough to prior art's the aforesaid, provides one kind can effectual reduction nib surface temperature, can also reduce the calorific loss of nib simultaneously, shortens the thermal-insulated heat preservation 3D print pen nozzle of heat time.
In order to solve the technical problem, the technical scheme adopted by the application is as follows: the utility model provides a thermal-insulated heat preservation 3D print pen nozzle, this nozzle includes the heating nozzle body, the lateral wall of heating nozzle body on the cover be equipped with the tubulose carrier, the tubulose carrier on the coating have thermal barrier coating, the thermal barrier coating lateral wall on the cover be provided with a plurality of heat dissipation channel on the preceding terminal surface of nib safety cover, nib safety cover.
By adopting the structure, when the printing material is printed to the heating nozzle body, the tubular carrier is sleeved outside the heating nozzle body, so that the heat of the heating nozzle can be reflected by the inner wall of the tubular carrier and concentrated at the heating nozzle to reduce the heat transfer, and meanwhile, the heat insulation coating coated on the tubular carrier can reduce the outward transfer rate of heat convection and heat conduction and also realize the effect of reducing the loss of the heat as much as possible; and a plurality of heat dissipation channels are arranged on the front end surface of the pen point protection cover, and the heat of the pen point part is dissipated by the front end heat dissipation channels, so that the temperature of the outer surface of the pen point protection cover is controlled within a relatively comfortable temperature range, the temperature of the outer wall of the whole nozzle is reduced, and a user is prevented from being scalded.
Preferably, a space is arranged between the outer side wall of the heating nozzle body and the inner side wall of the tubular carrier; by adopting the structure, the heat can be conveniently reflected back by the inner side wall of the tubular carrier, and the efficiency of heat transferring outwards is reduced.
More preferably, the outer side wall of the heating nozzle body is positioned on the inner side wall of the tubular carrier and is of a step-shaped structure, and the outer diameter of the step-shaped structure close to the front end face of the pen point protection cover is smaller than the outer diameter of the step-shaped structure far away from the front end face of the pen point protection cover; by adopting the structure, the inner wall of the tubular carrier can reflect heat well, and the heat close to the front end face of the pen point protective cover can be ensured to have larger diffusion space, so that the heat can not be gathered at the end head and can not be led out from a plurality of heat dissipation channels in time.
Preferably, the outer side wall of the tubular carrier is mutually attached to the inner side wall of the heat-insulating coating; by adopting the structure, the purposes of improving the heat reflection efficiency and reducing the heat conduction efficiency can be more effectively achieved.
Preferably, the front end face of the heat insulation coating abuts against the inner side wall of the pen point protective cover; by adopting the structure, heat can be introduced from the front end of the integral structural member formed by the tubular carrier and the heat insulation coating and then introduced into the plurality of heat dissipation channels of the pen point protective cover, and then is dissipated from the heat dissipation channels, so that the heat at the end of the heating nozzle can be effectively guided to be dissipated in time, the heat at the end is reduced, and a user is prevented from being scalded.
Preferably, the pen point protective cover is provided with a first inclined part and a second inclined part, the first inclined part and the second inclined part are mutually connected, the first inclined part is positioned on the outer side wall of the heat insulation coating, the second inclined part is positioned at the tip nozzle of the heating nozzle body, and the plurality of heat dissipation channels are arranged on the second inclined part; by adopting the structure, the heat can be guided to effectively heat the printing material in the heating nozzle and simultaneously dissipate the heat gathered at the tip nozzle in time.
Preferably, the plurality of heat dissipation channels extend along the inclined direction of the second inclined part and are circumferentially and uniformly distributed on the end face formed by the second inclined part; with this structure, the length of the heat dissipation channel can be extended as much as possible until the inclination length of the second inclined portion is equivalent, thereby improving the heat dissipation area and the heat dissipation efficiency.
Preferably, a plurality of radially inward supporting ribs are arranged on the inner side wall of the pen point protective cover positioned on the first inclined part, and the supporting ribs are abutted against the heat insulation coating; by adopting the structure, the distance between the pen point protective cover and the heat insulation coating can be effectively fixed and maintained, so that the heat conduction is stable.
Preferably, the tubular carrier is made of metal or high-temperature resistant plastic; by adopting the structure, the heat reflection can be effectively realized, and the heat loss is reduced.
Preferably, the heat insulation coating is a heat insulation coating formed by ceramic gel; by adopting the structure, the heat insulation effect is good, the heat loss is further reduced, and the heating time of printing materials is shortened.
Preferably, this application still provides one kind and contains the 3D print pen of the thermal-insulated heat preservation 3D print pen nozzle. The printing pen formed after the nozzle with the structure can effectively keep the heating efficiency of printing materials and can reduce the temperature of the pen point.
Drawings
FIG. 1 is an assembly view structural schematic diagram of a thermal insulation 3D print pen nozzle of the present application.
FIG. 2 is a schematic structural diagram of a thermal insulation 3D print pen nozzle of the present application.
FIG. 3 is a schematic diagram of a pen point protection cover of the thermal insulation 3D printing pen nozzle.
FIG. 4 axial cross-sectional view of a thermally insulated 3D print pen nozzle of the present application.
As shown in the attached drawings: 1. the heating nozzle comprises a heating nozzle body, 1.1, a step-shaped structure, 2, a tubular carrier, 3, a thermal insulation coating, 4, a pen point protective cover, 4a, a heat dissipation channel, 4.1, a first inclined part, 4.2, a second inclined part, 4.3, a supporting rib and 5, wherein the step-shaped structure is arranged on the heating nozzle body.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments, and it is obvious that the described embodiments are only preferred embodiments, not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention;
further, it is to be noted that: when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present, secured by way of the intervening elements. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The directions and the position relations described in the following embodiments of the present application are based on the direction of the pen when the pen is pressed.
As shown in the accompanying drawing 1, this application's a thermal-insulated heat preservation 3D print pen nozzle, this nozzle is including heating nozzle body 1, the lateral wall of heating nozzle body 1 on the cover be equipped with tubulose carrier 2, tubulose carrier 2 on the coating have thermal barrier coating 3, thermal barrier coating 3 lateral wall on the cover be equipped with a plurality of heat dissipation channel 4a on the preceding terminal surface of nib safety cover 4, nib safety cover 4.
By adopting the structure, when the printing material is printed to the heating nozzle body, the tubular carrier 2 is sleeved outside the heating nozzle body 1, so that the heat of the heating nozzle can be reflected by the inner wall of the tubular carrier 2 and concentrated at the heating nozzle to reduce the heat transfer, and meanwhile, the heat insulation coating 3 coated on the tubular carrier 2 can reduce the speed of heat convection heat transfer to the outside and also realize the effect of reducing the loss of the heat as much as possible; and a plurality of heat dissipation channels 4a are arranged on the front end surface of the pen point protection cover 4, and the heat of the pen point part is dissipated from the front end heat dissipation channels, so that the temperature of the outer surface of the pen point protection cover 4 is controlled in a relatively comfortable temperature range, the temperature of the outer wall of the whole nozzle is reduced, and a user is prevented from being scalded.
As shown in fig. 4, a space 5 is provided between the outer side wall of the heating nozzle body 1 and the inner side wall of the tubular carrier 2 (i.e. the radial direction between the two is distant, forming a radial direction interval between the two); by adopting the structure, the heat is conveniently reflected by the inner side wall of the tubular carrier 2 to the heating nozzle body 1, thereby reducing the efficiency of heat transferring outwards.
As shown in fig. 1 and 4, the outer side wall of the heating nozzle body 1 of the present application is located at the inner side wall portion of the tubular carrier 2 (i.e. the portion of the heating nozzle body 1 covered by the tubular carrier 2) and is in a step-like structure 1.1, and the outer diameter of the step-like structure 1.1 close to the front end face of the pen point protecting cover 4 is smaller than the outer diameter far away from the front end face of the pen point protecting cover 4; that is, the distance 5 between the outer side wall of the heating nozzle body 1 and the inner side wall of the tubular carrier 2 is not equidistant, but is enlarged from the left end to the right end (from the end far from the pen tip to the end near the pen tip); by adopting the structure, the reflection of the inner wall of the tubular carrier 2 to heat can be well realized, and meanwhile, the heat close to the front end face of the pen point protective cover 4 can be ensured to have larger diffusion space, so that the heat can not be gathered at the end head and can not be led out from a plurality of heat dissipation channels 4a in time.
As shown in fig. 4, the outer sidewall of the tubular carrier 2 and the inner sidewall of the thermal barrier coating 3 are attached to each other, i.e. they are completely attached without gaps or exposed; by adopting the structure, the purposes of improving the heat reflection efficiency and reducing the heat conduction efficiency can be more effectively achieved.
As shown in FIG. 4, the front end face (i.e. the end face close to the pen point) of the thermal insulation coating 3 of the present application abuts against the inner side wall of the pen point protective cover 4; by adopting the structure, heat can be introduced from the front end of the integral structural member formed by the tubular carrier 2 and the thermal insulation coating 3 and then introduced into the plurality of heat dissipation channels 4a of the pen point protection cover 4 and then dissipated from the heat dissipation channels 4a, so that the heat of the end head of the heating nozzle can be effectively and timely dissipated, the heat of the end head (pen point) is reduced, and a user is prevented from being scalded.
As shown in fig. 2 and 4, the pen head protective cover 4 of the present application is provided with a first inclined portion 4.1 and a second inclined portion 4.2, the first inclined portion 4.1 and the second inclined portion 4.2 are connected with each other, the first inclined portion 4.1 is located at the outer side wall of the thermal barrier coating 3, the second inclined portion 4.2 is located at the tip nozzle of the heating nozzle body 1 (i.e., the outlet position for ejecting 3d printing material), and a plurality of heat dissipation channels 4a are provided on the second inclined portion 4.2; by adopting the structure, the heat can be guided to effectively heat the printing material in the heating nozzle and simultaneously dissipate the heat gathered at the tip nozzle in time. The first inclined part 4.1 and the second inclined part 4.2 are both inclined inwards gradually from the left end to the right end, and the foremost end (rightmost end) of the pen point protective cover is provided with a hole for leading out the tip nozzle which protrudes out of the pen point protective cover 4, so that the heat radiation effect is improved conveniently, and a user can be effectively protected from being scalded; the axial direction of the heating nozzle body 1 is of a hollow structure, so that the heating and printing material conveying are facilitated.
As shown in fig. 1 to 4, a plurality of heat dissipation channels 4a described in the present application extend along the inclined direction of the second inclined portion 4.2, and are circumferentially and uniformly distributed on the end face formed by the second inclined portion 4.2; with this structure, the length of the heat dissipation passage 4a can be extended as much as possible to the extent that the inclination length of the second inclined portion 4.2 is equivalent, thereby improving the heat dissipation area and the heat dissipation efficiency.
As shown in fig. 3 and 4, a plurality of radially inward supporting ribs 4.3 are arranged on the inner side wall of the pen point protective cover 4 located on the first inclined portion 4.1, and the supporting ribs 4.3 are abutted against the thermal insulation coating 3; specifically, in this embodiment, the number of the support ribs 4.3 is 6 along the circumferential distribution of the inner side wall of the first inclined portion 4.1, and by adopting this structure, the distance between the pen point protection cover 4 and the thermal insulation coating 3 can be effectively fixed and maintained, so that the heat conduction is stable.
The tubular carrier 2 is a tubular carrier made of metal or high-temperature-resistant plastic; preferably, in this embodiment, a tubular carrier structure made of a copper material can be used, and by using this structure, heat reflection can be effectively realized, and heat loss can be reduced.
The thermal insulation coating 3 is a thermal insulation coating (a commercial product) made of ceramic gel, and the thickness (wall thickness) of the thermal insulation coating 3 made of the ceramic condensed material can be larger than that of the tubular carrier 2; by adopting the structure, the heat insulation effect is good, the heat loss is further reduced, and the heating time of printing materials is shortened.
In addition, this application still provides a 3D print pen that contains above-mentioned thermal-insulated heat preservation 3D print pen nozzle. The printing pen formed after the nozzle with the structure can effectively keep the heating efficiency of printing materials and can reduce the temperature of the pen point.

Claims (10)

1. The utility model provides a thermal-insulated heat preservation 3D print pen nozzle which characterized in that: this nozzle is including heating nozzle body (1), the lateral wall of heating nozzle body (1) on the cover be equipped with tubulose carrier (2), tubulose carrier (2) on the coating have thermal-insulated coating (3), the lateral wall of thermal-insulated coating (3) on the cover be provided with a plurality of heat dissipation channel (4a) on the preceding terminal surface of nib safety cover (4), nib safety cover (4).
2. The thermally insulated 3D print pen nozzle of claim 1, characterized in that: a space (5) is arranged between the outer side wall of the heating nozzle body (1) and the inner side wall of the tubular carrier.
3. The thermally insulated 3D print pen nozzle of claim 2, characterized in that: the outer side wall of the heating nozzle body (1) is located on the inner side wall of the tubular carrier (2) and is partially in a step-shaped structure (1.1), and the outer diameter of the step-shaped structure (1.1) close to the front end face of the pen point protection cover (4) is smaller than the outer diameter of the front end face of the pen point protection cover (4).
4. The thermally insulated 3D print pen nozzle of claim 1, characterized in that: the outer side wall of the tubular carrier (2) is mutually attached to the inner side wall of the heat-insulating coating (3); the front end face of the heat insulation coating (3) is abutted against the inner side wall of the pen point protective cover (4).
5. The thermally insulated 3D print pen nozzle of claim 1, characterized in that: the pen point protective cover (4) is provided with a first inclined part (4.1) and a second inclined part (4.2), the first inclined part (4.1) and the second inclined part (4.2) are connected with each other, the first inclined part (4.1) is located on the outer side wall of the heat insulation coating (3), the second inclined part (4.2) is located at the tip nozzle of the heating nozzle body (1), and the plurality of heat dissipation channels (4a) are arranged on the second inclined part (4.2).
6. The thermally insulated 3D print pen nozzle of claim 1, characterized in that: the plurality of heat dissipation channels (4a) extend along the inclination direction of the second inclined part (4.2) and are circumferentially and uniformly distributed on the end face formed by the second inclined part (4.2).
7. The thermally insulated 3D print pen nozzle of claim 1, characterized in that: the nib safety cover (4) be located the inside wall of first slope portion (4.1) on be provided with a plurality of radial inside support rib (4.3), support rib (4.3) and thermal-insulated coating (3) counterbalance.
8. The thermally insulated 3D print pen nozzle of claim 1, characterized in that: the tubular carrier (2) is a tubular carrier made of metal or high-temperature-resistant plastic.
9. The thermally insulated 3D print pen nozzle of claim 1, characterized in that: the heat insulation coating (3) is a heat insulation coating formed by ceramic gel.
10. A 3D printer pen comprising a thermally insulated 3D printer pen nozzle according to any of claims 1 to 9.
CN202120247234.1U 2021-01-28 2021-01-28 Heat-insulating 3D printing pen nozzle and 3D printing pen comprising same Active CN214927132U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120247234.1U CN214927132U (en) 2021-01-28 2021-01-28 Heat-insulating 3D printing pen nozzle and 3D printing pen comprising same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120247234.1U CN214927132U (en) 2021-01-28 2021-01-28 Heat-insulating 3D printing pen nozzle and 3D printing pen comprising same

Publications (1)

Publication Number Publication Date
CN214927132U true CN214927132U (en) 2021-11-30

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ID=79099659

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120247234.1U Active CN214927132U (en) 2021-01-28 2021-01-28 Heat-insulating 3D printing pen nozzle and 3D printing pen comprising same

Country Status (1)

Country Link
CN (1) CN214927132U (en)

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