CN214111492U - Cooling body of shower nozzle external member and be used for shower nozzle external member of 3D printer - Google Patents
Cooling body of shower nozzle external member and be used for shower nozzle external member of 3D printer Download PDFInfo
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- CN214111492U CN214111492U CN202022702498.XU CN202022702498U CN214111492U CN 214111492 U CN214111492 U CN 214111492U CN 202022702498 U CN202022702498 U CN 202022702498U CN 214111492 U CN214111492 U CN 214111492U
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- nozzle
- cooling fan
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- pipe
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/10—Processes of additive manufacturing
- B29C64/106—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material
- B29C64/118—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using filamentary material being melted, e.g. fused deposition modelling [FDM]
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
- B29C64/205—Means for applying layers
- B29C64/209—Heads; Nozzles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
- B29C67/02—Moulding by agglomerating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
Abstract
The utility model discloses a cooling body of shower nozzle external member and be used for shower nozzle external member of 3D printer, be equipped with extrusion wheel subassembly, choke and the heating nozzle subassembly that sets gradually and be used for carrying the consumptive material on the shower nozzle external member, so that the consumptive material passes through extrusion wheel subassembly is carried forward and is passed through the choke is followed the output of heating nozzle subassembly, cooling body is including locating on the shower nozzle external member and move towards respectively the first cooling fan and the second cooling fan of extrusion wheel subassembly and choke. The utility model discloses in directly blow to the first cooling fan and the second cooling fan of extruding wheel subassembly and choke pipe respectively through the increase, improve the radiating effect of extruding wheel subassembly and choke pipe, avoid the consumptive material to soften the end cap phenomenon that appears in advance.
Description
Technical Field
The utility model relates to a 3D printing apparatus technical field especially relates to a cooling body and shower nozzle external member of shower nozzle external member.
Background
3D printing (3DP), a rapid prototyping technology, is an additive manufacturing technology, also known as additive manufacturing, which is based on a digital model file, and uses special bondable materials such as wax, powdered metal or plastic to manufacture a three-dimensional object by printing a layer of the bondable material; fused deposition rapid prototyping (FDM), also known as hot melt deposition (hot melt deposition) technology, is one of the major 3D printing technologies; the technology comprises the steps of heating and melting hot-melt material wires, extruding the melted material wires from a spray head, depositing the material wires on a printing working platform or a previous layer of solidified material, starting solidification and forming when the temperature is lower than the solidification temperature of the material wires, and finally printing the material wires into an entity.
In the printing process, the heat that the motor produced can be transmitted to on extruding wheel subassembly through the motor shaft, and the consumptive material is heated and can appear slightly softening when extruding wheel subassembly like this, and the problem that the consumptive material was flattened or was thrown the material appears very easily like this, and this kind of condition is more obvious in near-end extrusion structure, and the heat of heating block also can be transmitted to extrusion structure and can improve the temperature of extruding structure surrounding environment along with the choke pipe in addition to various printing problems such as consumptive material end cap appear.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome current technical defect, provide a cooling body of shower nozzle external member, directly blow to the first cooling fan and the second cooling fan of extruding wheel subassembly and choke pipe respectively through the increase, improve the radiating effect of extruding wheel subassembly and choke pipe, avoid the consumptive material to soften the end cap phenomenon that appears in advance.
In order to solve the technical problem, the utility model provides a cooling body of shower nozzle external member, be equipped with extrusion wheel subassembly, choke and the heating nozzle subassembly that sets gradually and be used for carrying the consumptive material on the shower nozzle external member, so that the consumptive material passes through extrusion wheel subassembly is carried forward and is passed through the choke is followed the output of heating nozzle subassembly, cooling body is including locating on the shower nozzle external member and move towards respectively the first cooling fan and the second cooling fan of extrusion wheel subassembly and choke.
Furthermore, an air inlet hole is formed in the nozzle sleeve corresponding to the air inlet of the first cooling fan, and a plurality of heat dissipation holes used for air outlet are further formed in the nozzle sleeve.
Furthermore, a radiating pipe is sleeved on the periphery of the throat pipe, a plurality of air deflectors arranged at intervals are arranged on the periphery of the radiating pipe, each air deflector is radially arranged, and an air outlet of the second cooling fan faces the air deflectors.
The utility model also provides a shower nozzle external member for 3D printer, include:
the shell is provided with an extrusion wheel assembly for conveying consumables and a driving device for driving the extrusion wheel assembly to rotate;
one end of the throat pipe is detachably arranged on the shell;
the heating nozzle assembly is connected with the other end of the throat pipe, and the consumable materials are conveyed forwards through the extrusion wheel assembly and are output from the heating nozzle assembly through the throat pipe;
and the cooling mechanism comprises a first cooling fan and a second cooling fan which are arranged on the shell and respectively face the extrusion wheel assembly and the throat pipe.
Furthermore, the heating nozzle assembly comprises a heating block and a nozzle, the heating block is provided with a mounting hole penetrating through two opposite ends, one end of the throat and one end of the nozzle are detachably sleeved in the mounting hole, and the throat and the nozzle are communicated with each other.
Further, the shell comprises a heat dissipation block, a mounting block arranged on the heat dissipation block and a fan mounting plate arranged on the heat dissipation block; the extrusion wheel assembly and the driving device are arranged on the mounting block; the first cooling fan is arranged in the fan mounting plate, and an air outlet of the first cooling fan faces the extrusion wheel assembly; one end of the throat pipe penetrates through the heat dissipation block and then is detachably mounted in the mounting block, and a through hole for consumable materials to penetrate through is formed in the mounting block; the second cooling fan is arranged on the heat dissipation block, and an air outlet of the second cooling fan faces the throat pipe; the fan mounting panel is corresponding to the air inlet department of first cooling fan is equipped with into wind hole, just still be equipped with the louvre that a plurality of is used for the air-out on the fan mounting panel.
Furthermore, the extrusion wheel subassembly is including being used for carrying the U type bearing of consumptive material and being used for the extrusion the consumptive material and with the squeeze roll wheel of drive arrangement transmission connection, U type bearing with squeeze roll wheel relatively rotates and is located the consumptive material both sides.
Furthermore, the spray head kit also comprises an extrusion clamp, one end of the extrusion clamp is rotatably arranged on the mounting block, and the U-shaped bearing is rotatably arranged on the extrusion clamp; the other end of the extrusion clamp extends outwards to the shell and is provided with a pressing part, a spring used for upwards jacking the extrusion clamp is arranged between the other end of the extrusion clamp and the mounting block, and a limiting hole for consumable materials to pass through is arranged at a position corresponding to the throat pipe on the extrusion clamp in a penetrating mode.
Furthermore, the nozzle kit further comprises a radiating pipe sleeved on the periphery of the throat pipe and a material guide pipe which is arranged in the throat pipe and made of polytetrafluoroethylene, a plurality of air deflectors arranged at intervals are radially arranged on the periphery of the radiating pipe, and an air outlet of the second cooling fan faces the air deflectors.
Furthermore, the spray head kit also comprises a blast fan arranged on one side of the heat dissipation block and an air guide piece arranged at an air inlet at the lower end of the blast fan, and an air outlet of the air guide piece faces the spray nozzle; a silica gel sleeve is sleeved on the periphery of the heating nozzle component; and the heating block is provided with a heating pipe and a thermistor.
Furthermore, the driving device is a motor, and the extrusion roller wheel is sleeved on a rotating shaft of the motor.
The utility model discloses following beneficial effect has:
the utility model discloses in directly blow to the first cooling fan and the second cooling fan of extruding wheel subassembly and choke pipe respectively through increase in the shower nozzle external member, the heat of drive arrangement transmission and the timely dissipation of the heat that comes of heating nozzle assembly transmission, the radiating effect and the heat-sinking capability of extruding wheel subassembly and choke pipe have been improved, make the consumptive material of extruding the wheel subassembly can not soften in advance, keep toughness and the intensity of consumptive material in transportation process, the consumptive material just can be smooth past nozzle transport under the rotation of extruding the wheel subassembly, thereby accomplish print work, avoid the consumptive material to soften the end cap phenomenon that appears in advance, in addition the choke pipe periphery cover be equipped with the cooling tube that has the aviation baffle, can be better dispel the heat to the choke pipe after cooperating with second cooling fan.
The utility model discloses a shower nozzle external member for 3D printer, its throat still is provided with the passage of making by polytetrafluoroethylene, utilizes the high temperature resistant and self-lubricating characteristic of polytetrafluoroethylene pipe, makes filamentous consumptive material unblocked in the passageway, reduces the problem that the consumptive material blockked up and blocked; the cooperation of the extrusion clamp and the spring is also utilized, so that the effectiveness of clamping consumables is improved, the problem of overlarge extrusion resistance caused by overlarge clamping force during consumable extrusion can be relieved, and the problem of extrusion slip caused by overlarge clamping force can be avoided; in addition, for radiating block, choke and nozzle among the prior art structure as integrated into one piece, when it changes impaired choke or nozzle, need with the whole change of radiating block, lead to with high costs and inconvenient change, and the utility model discloses well choke, heating block and nozzle are detachable structure, can conveniently dismantle and change single impaired part, have practiced thrift the replacement cost.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, do not constitute a limitation of the invention, and in which:
fig. 1 is an exploded view of a head set according to embodiment 1;
fig. 2 is a sectional view of the head kit according to embodiment 1;
FIG. 3 is a schematic view of a head set according to embodiment 2;
FIG. 4 is an exploded perspective view of a head set according to example 2;
FIG. 5 is a cross-sectional view in the X direction of the sprinkler head kit according to embodiment 2;
fig. 6 is a cross-sectional view of the head kit in the Y direction in embodiment 2.
In the drawings, the names of the components represented by the respective reference numerals are as follows:
the silica gel sleeve 1, the nozzle 2, the heating block 3, the throat 4, the material guide pipe 5, the radiating block 6, the through hole 61, the extrusion roller 7, the mounting block 8, the through hole 81, the fan mounting plate 9, the first cooling fan 10, the second cooling fan 11, the thermistor 12, the heating pipe 13, the motor 14, the air guide piece 15, the blower fan 16, the spring 17, the pneumatic connector 18, the extrusion clamp 19, the limiting hole 191, the pressing part 192, the U-shaped bearing 20, the extrusion wheel assembly 21, the heating nozzle assembly 22, the air inlet hole 23, the radiating hole 24, the radiating pipe 25, the air guide plate 251
Detailed Description
In order to fully understand the technical contents of the present invention, the present invention will be further described and explained with reference to the accompanying drawings and specific embodiments; it should be noted that the terms "upper", "lower", "inner", "outer", etc. indicate orientations or positional relationships based on those 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 and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used to distinguish between different elements, etc., and do not denote a sequential order, nor do the terms "first" and "second" define different types.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted" and "connected" are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral part; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments; based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.
Example 1
As shown in fig. 1 to 2, in the cooling mechanism of a nozzle assembly according to this embodiment, an extrusion wheel assembly 21, a throat 4 and a heating nozzle assembly 22 for conveying consumables are sequentially disposed on the nozzle assembly from top to bottom, so that the consumables are conveyed forward by the extrusion wheel assembly and output from the heating nozzle assembly through the throat, the cooling mechanism includes a first cooling fan 10 and a second cooling fan 11 disposed on the nozzle assembly, and air outlets of the first cooling fan and the second cooling fan are respectively disposed toward the extrusion wheel assembly 21 and the throat 4; in the structure, through increase directly respectively blow to the first cooling fan and the second cooling fan who extrudes wheel subassembly and choke pipe in the shower nozzle external member, the heat of drive arrangement transmission and the timely dissipation of the heat that comes of heating nozzle unit transmission, the radiating effect and the heat-sinking capability of extruding wheel subassembly and choke pipe have been improved, make the consumptive material of extruding the wheel subassembly can not soften in advance, keep the toughness and the intensity of consumptive material in transportation process, the consumptive material just can be in the smooth past nozzle transport under the rotation of extruding the wheel subassembly, thereby accomplish print work, avoid the consumptive material to soften the end cap phenomenon that appears in advance, in addition the choke pipe periphery cover is equipped with the cooling tube that has the aviation baffle, can be better dispel the heat to the choke pipe after the cooperation with second cooling fan.
Specifically, an air inlet hole 23 is formed in the nozzle sleeve corresponding to the air inlet of the first cooling fan 10, and a plurality of heat dissipation holes 24 for air outlet are formed in the nozzle sleeve; the first cooling fan 10 sucks air inwards through the air inlet hole 23 and blows the air to the extrusion wheel assembly 21 for heat dissipation, and then the air blown out by the first cooling fan 10 is dissipated outwards through the heat dissipation hole 24, so that an effective heat dissipation structure of internal and external circulation is formed.
Furthermore, a heat dissipation pipe 25 is sleeved on the periphery of the throat pipe 4, a plurality of air deflectors 251 are arranged on the periphery of the heat dissipation pipe 25 at intervals, each air deflector 251 is radially arranged, an air outlet of the second cooling fan faces the air deflectors 251, air is guided by the air deflectors, the contact area between the heat dissipation pipe and air is enlarged, and therefore the heat dissipation effect of the throat pipe is effectively improved.
Example 2
As shown in fig. 3 to 6, the nozzle set for a 3D printer in this embodiment includes a housing, a throat 4, a heating nozzle assembly, a first cooling fan 10 and a second cooling fan 11, wherein the housing is provided with an extrusion wheel assembly for conveying consumables and a driving device for driving the extrusion wheel assembly to rotate, the upper end of the throat 4 is detachably mounted on the housing in a threaded connection manner, the heating nozzle assembly is connected with the other end of the throat, so that the consumables are conveyed forward by the extrusion wheel assembly and are output from the heating nozzle assembly through the throat, and the first cooling fan and the second cooling fan are provided on the housing, and air outlets of the consumables face the extrusion wheel assembly and the throat 4 respectively; in the structure, the driving device and the extrusion roller wheel are used for driving the consumable materials to move up and down, so that the working of downward extrusion printing or upward returning and stopping printing of the consumable materials is realized, and the first cooling fan and the second cooling fan which are respectively and directly blown to the extrusion wheel component and the throat pipe are added in the nozzle suite, so that the heat transmitted by the driving device and the heat transmitted by the heating nozzle component are timely dissipated, the heat dissipation effect and the heat dissipation capacity of the extrusion wheel component and the throat pipe are improved, the consumables passing through the extrusion wheel component can not be softened in advance, the toughness and the strength of the consumables in the conveying process are maintained, and the consumables can be smoothly conveyed to the nozzle under the rotation of the extrusion wheel component, thereby accomplish the printing work, avoid the consumptive material to soften the end cap phenomenon that appears in advance, overlap the cooling tube that is equipped with the aviation baffle in the choke pipe periphery in addition, can be better dispel the heat to the choke pipe after cooperating with second cooling fan.
Specifically, the heating nozzle assembly comprises a heating block 3 and a nozzle 2, the heating block 3 is provided with a mounting hole (not marked in the figure) penetrating through upper and lower opposite ends, the lower end of a throat 4 and the upper end of the nozzle 2 are detachably sleeved in the mounting hole, the throat 4 and the nozzle 2 are mutually communicated and attached, and accordingly consumables in the nozzle 2 and the throat 4 are heated and melted by the heating block 3 and then extruded out of a port at the lower part of the nozzle; the periphery of the upper end of the throat pipe 4 is sleeved with a radiating pipe 25, the periphery of the radiating pipe 25 is provided with a plurality of air deflectors 251 which are arranged at intervals, each air deflector 251 is arranged along the radial direction, the air deflectors 251 are positioned below the shell, the air outlet of the second cooling fan 11 faces the air deflectors 251, air is guided by the air deflectors, the contact area between the radiating pipe and air is enlarged, and therefore the radiating effect of the throat pipe is effectively improved.
In this embodiment, the housing includes a heat dissipating block 6, a mounting block 8 disposed at one end of the surface of the heat dissipating block 6, and a fan mounting plate 9 mounted on the inner side of the heat dissipating block 8, the heat dissipating block 6 is used as a base of the housing to effectively reduce the local temperature in the housing and improve the heat dissipating effect, the extruding wheel assembly and the driving device are separately disposed at the inner and outer sides of the mounting block, the first cooling fan 10 is disposed in the fan mounting plate 9 and faces the extruding wheel assembly, the upper end of the heat dissipating pipe 25 is detachably mounted in the mounting block 8 after passing through the heat dissipating block 6, and the mounting block 8 is provided with a through hole 81 for the consumables to pass through, i.e., the heat dissipating block 6 is provided with a through hole 61 for the heat dissipating pipe 25 to pass through, so that the aperture of the through hole is larger than the outer diameter of the upper end of the heat dissipating pipe 25, thereby a gap exists between the two, and the air blown by the first cooling fan and the second cooling fan can flow up, down, up and down and inside and outside through the through hole 61, further enhancing the heat dissipation effect; the upper end of the second cooling fan 11 is fixed to the front side of the heat dissipation block; the air inlet that corresponds first cooling fan 10 on the fan mounting panel 9 department is equipped with into wind hole 23, and still is equipped with a plurality of louvre 24 that is used for the air-out on the fan mounting panel 9, and first cooling fan 10 inwards induced drafts and blows wind to extruding wheel subassembly through going into wind hole 23 and dispels the heat, then sends out the wind direction that first cooling fan 10 blew off through louvre 24 outward to form the effective heat radiation structure of extrinsic cycle.
In this embodiment, extrude the wheel subassembly including the U type bearing 20 that is used for carrying the consumptive material and be used for extruding the consumptive material and the squeeze roll wheel 7 of being connected with the drive arrangement transmission, U type bearing 20 and squeeze roll wheel 7 rotate relatively and lie in the consumptive material both sides for press from both sides tight consumptive material, utilize the periphery U shaped face of U type bearing to injectd and carry the consumptive material, utilize the insection of squeeze roll wheel periphery to increase contact friction in addition.
In the embodiment, the spray head kit further comprises an extrusion clamp 19, the rear end of the extrusion clamp is rotatably mounted on the mounting block 8, the U-shaped bearing 20 is rotatably arranged on the extrusion clamp 19 through a screw, and a spring 17 for upwards jacking the extrusion clamp 19 is arranged between the other end of the extrusion clamp 19 and the mounting block 8, so that the extrusion clamp has anticlockwise rotating force by utilizing the upward elastic force of the spring, the U-shaped bearing 20 is close to the extrusion roller 7 and clamps consumables, the effectiveness of the consumables clamping is improved, and the problem of extrusion slip caused by over-small clamping force can be avoided; a pressing part is arranged at the other end of the extrusion clamp in a manner of extending outwards of the shell, so that the clamping force between the U-shaped bearing 20 and the extrusion roller 7 can be released by pressing downwards, the problem of large extrusion resistance caused by overlarge clamping force during extrusion of consumables can be relieved, and consumables can be conveniently inserted downwards to be placed between the U-shaped bearing 20 and the extrusion roller 7 for conveying; extrude and to run through the spacing hole 191 that is equipped with the confession consumptive material and pass in the position department that corresponds choke 4 on the clamp 19, but make the consumptive material from the shower nozzle external member outside from extrude the spacing hole 191 of clamp 19 inwards the disect insertion to between U type bearing 20 and the squeeze roll 7 and in the choke, the installation of consumptive material is simple and convenient, and utilizes the cooperation of spacing hole 191 and via hole 81 to lead to the consumptive material and spacing, makes the consumptive material be in vertical state all the time.
Specifically, a material guide pipe 5 made of polytetrafluoroethylene is further arranged in the throat pipe 4, and the high-temperature resistance and self-lubricating characteristics of the polytetrafluoroethylene pipe are utilized, so that filiform consumables are smooth and unimpeded in a channel, and the problems of consumable blockage and clamping are reduced.
In this embodiment, this shower nozzle external member is still including locating the air-blast fan 16 of radiating block rear end and locating air guide 15 of air-blast fan 16 lower extreme wind gap department, and air guide 15's air outlet sets up towards nozzle 2, and the air-blast fan carries out accurate and timely effective heat dissipation to the model that prints out below the nozzle in the printing process through air guide, can effectively improve the quality of printing the model surface.
Specifically, the shower nozzle external member still includes the silica gel cover 1 of suit in heating block 3 and nozzle 2 periphery, and the lower extreme protrusion in silica gel cover of nozzle 2 utilizes the low heat conductivity of silica gel cover, can reduce heating block heat loss and temperature fluctuation, keeps heating block temperature stable, promotes printing quality.
Specifically, the heating block 3 is provided with a heating pipe and a thermistor, the heating block is heated by electrifying the heating pipe, and the temperature change of the heating block is measured by the thermistor.
In this embodiment, the driving device is a motor 14, and the squeeze roller 7 is sleeved on a rotating shaft of the motor 14, that is, one end of the rotating shaft of the motor 14 penetrates the mounting block inwards and is located on the inner side of the mounting block.
In this embodiment, the upper end of the limiting hole 191 is provided with a pneumatic connector 18.
The technical solutions provided by the embodiments are described in detail above, and the principles and embodiments of the present invention are explained herein by applying specific examples, and the descriptions of the above embodiments are only applicable to help understanding the principles of the embodiments of the present invention; meanwhile, for general and skilled persons in the art, according to the embodiments of the present invention, there may be changes in the specific implementation manners and application ranges, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (10)
1. The utility model provides a cooling body of shower nozzle external member, be equipped with in proper order on the shower nozzle external member and be used for carrying extrusion wheel subassembly, choke and the heating nozzle subassembly of consumptive material, the consumptive material passes through extrusion wheel subassembly is carried forward and is followed through the choke heating nozzle subassembly is exported, its characterized in that, cooling body is including locating on the shower nozzle external member and respectively towards extrude first cooling fan and the second cooling fan of wheel subassembly and choke.
2. The cooling mechanism for a nozzle assembly according to claim 1, wherein an air inlet is formed at a position of the nozzle assembly corresponding to the air inlet of the first cooling fan, and a plurality of heat dissipation holes for exhausting air are further formed in the nozzle assembly.
3. The cooling mechanism for a nozzle assembly according to claim 1 or 2, wherein a heat pipe is sleeved around the throat, and a plurality of air deflectors are disposed around the heat pipe at intervals, each air deflector is radially disposed, and the outlet of the second cooling fan faces the air deflector.
4. A nozzle assembly for a 3D printer, comprising:
the shell is provided with an extrusion wheel assembly for conveying consumables and a driving device for driving the extrusion wheel assembly to rotate;
one end of the throat pipe is detachably arranged on the shell;
the heating nozzle assembly is connected with the other end of the throat pipe, and the consumable materials are conveyed forwards through the extrusion wheel assembly and are output from the heating nozzle assembly through the throat pipe;
and the cooling mechanism comprises a first cooling fan and a second cooling fan which are arranged on the shell and respectively face the extrusion wheel assembly and the throat pipe.
5. The nozzle set for a 3D printer according to claim 4, wherein the heating nozzle assembly comprises a heating block and a nozzle, the heating block has a mounting hole penetrating through two opposite ends, one end of the throat and the nozzle are detachably sleeved in the mounting hole, and the throat and the nozzle are communicated with each other.
6. The nozzle assembly for a 3D printer according to claim 5, wherein the housing comprises a heat slug, a mounting slug disposed on the heat slug, and a fan mounting plate mounted on the heat slug; the extrusion wheel assembly and the driving device are arranged on the mounting block; the first cooling fan is arranged in the fan mounting plate, and an air outlet of the first cooling fan faces the extrusion wheel assembly; one end of the throat pipe penetrates through the heat dissipation block and then is detachably mounted in the mounting block, and a through hole for consumable materials to penetrate through is formed in the mounting block; the second cooling fan is arranged on the heat dissipation block, and an air outlet of the second cooling fan faces the throat pipe; the fan mounting panel is corresponding to the air inlet department of first cooling fan is equipped with into wind hole, just still be equipped with the louvre that a plurality of is used for the air-out on the fan mounting panel.
7. The nozzle set for a 3D printer according to claim 6, wherein the extrusion wheel assembly comprises a U-shaped bearing for conveying the consumable and a squeeze roller for squeezing the consumable and in transmission connection with the driving device, the U-shaped bearing and the squeeze roller rotating relatively and being located on both sides of the consumable.
8. The nozzle assembly for a 3D printer according to claim 7, further comprising an extrusion clamp with one end rotatably mounted on the mounting block, wherein the U-shaped bearing is rotatably disposed on the extrusion clamp; the other end of the extrusion clamp extends outwards to the shell and is provided with a pressing part, a spring used for upwards jacking the extrusion clamp is arranged between the other end of the extrusion clamp and the mounting block, and a limiting hole for consumable materials to pass through is arranged at a position corresponding to the throat pipe on the extrusion clamp in a penetrating mode.
9. The nozzle set for a 3D printer according to claim 8, further comprising a heat dissipation pipe sleeved on the outer periphery of the throat pipe and a material guiding pipe arranged in the throat pipe, wherein a plurality of air deflectors are arranged on the outer periphery of the heat dissipation pipe at intervals, each air deflector is radially arranged, and an air outlet of the second cooling fan faces the air deflectors.
10. The nozzle set for the 3D printer according to claim 9, further comprising an air blowing fan disposed on one side of the heat dissipation block and an air guide disposed at an air outlet at a lower end of the air blowing fan, wherein an air outlet of the air guide faces the nozzle; a silica gel sleeve is sleeved on the periphery of the heating nozzle component; the heating block is provided with a heating pipe and a thermistor; the driving device is a motor, and the extrusion roller wheel is sleeved on a rotating shaft of the motor.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022702498.XU CN214111492U (en) | 2020-11-20 | 2020-11-20 | Cooling body of shower nozzle external member and be used for shower nozzle external member of 3D printer |
| PCT/CN2020/141271 WO2022105033A1 (en) | 2020-11-20 | 2020-12-30 | Cooling mechanism of nozzle kit and nozzle kit for 3d printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022702498.XU CN214111492U (en) | 2020-11-20 | 2020-11-20 | Cooling body of shower nozzle external member and be used for shower nozzle external member of 3D printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214111492U true CN214111492U (en) | 2021-09-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022702498.XU Active CN214111492U (en) | 2020-11-20 | 2020-11-20 | Cooling body of shower nozzle external member and be used for shower nozzle external member of 3D printer |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN214111492U (en) |
| WO (1) | WO2022105033A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113997564A (en) * | 2021-10-22 | 2022-02-01 | 浙江起迪科技有限公司 | Liftable high-temperature dual extruder for 3D printer |
| CN114043720A (en) * | 2021-11-16 | 2022-02-15 | 深圳市洋明达科技有限公司 | Printing head of 3D printer |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115091750B (en) * | 2022-07-13 | 2024-01-05 | 深圳市创想三维科技股份有限公司 | Double-spray-head device and 3D printing equipment |
| CN117400533B (en) * | 2023-12-14 | 2024-03-08 | 南京诚德新材料有限公司 | 3D prints shower nozzle feed arrangement and 3D and prints shower nozzle |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104786510B (en) * | 2015-04-09 | 2017-01-18 | 福州展旭电子有限公司 | Air-cooling device for printing head of 3D (three-dimensional) printing machine |
| PH12015000343A1 (en) * | 2015-10-09 | 2017-04-17 | 3D Fab Lab Philippines Inc | A filament dispensing assembly for 3d printed objects |
| CN107053660A (en) * | 2017-06-05 | 2017-08-18 | 苏州大学 | FDM formula flexible material 3D printing shower nozzles |
| CN108327250A (en) * | 2018-01-24 | 2018-07-27 | 深圳市北点科技有限公司 | A kind of novel proximal end extrusion nozzle structure |
-
2020
- 2020-11-20 CN CN202022702498.XU patent/CN214111492U/en active Active
- 2020-12-30 WO PCT/CN2020/141271 patent/WO2022105033A1/en active Application Filing
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113997564A (en) * | 2021-10-22 | 2022-02-01 | 浙江起迪科技有限公司 | Liftable high-temperature dual extruder for 3D printer |
| CN114043720A (en) * | 2021-11-16 | 2022-02-15 | 深圳市洋明达科技有限公司 | Printing head of 3D printer |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2022105033A1 (en) | 2022-05-27 |
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