CN210174209U - Anti-blocking spray head for 3D printer - Google Patents
Anti-blocking spray head for 3D printer Download PDFInfo
- Publication number
- CN210174209U CN210174209U CN201920948357.0U CN201920948357U CN210174209U CN 210174209 U CN210174209 U CN 210174209U CN 201920948357 U CN201920948357 U CN 201920948357U CN 210174209 U CN210174209 U CN 210174209U
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- Prior art keywords
- seat
- hot melt
- hot melting
- nozzle
- heating
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- Expired - Fee Related
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- 239000007921 spray Substances 0.000 title claims description 9
- 238000010438 heat treatment Methods 0.000 claims abstract description 50
- 238000002844 melting Methods 0.000 claims abstract description 41
- 230000008018 melting Effects 0.000 claims abstract description 41
- 239000000463 material Substances 0.000 claims abstract description 19
- 239000012943 hotmelt Substances 0.000 claims description 59
- 230000000994 depressogenic effect Effects 0.000 claims description 20
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 15
- 238000007639 printing Methods 0.000 abstract description 8
- 230000017525 heat dissipation Effects 0.000 description 18
- 238000005192 partition Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000010146 3D printing Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
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- Coating Apparatus (AREA)
Abstract
The utility model discloses a prevent stifled shower nozzle for 3D printer, including the hot melting seat, have the hot melting chamber in the hot melting seat, the upper portion of hot melting seat is equipped with two at least feedstock channel that communicate with this hot melting chamber, and leaves the clearance between feedstock channel's lower extreme and the diapire in hot melting chamber, and the bottom of hot melting seat is equipped with the nozzle, the nozzle is through outflow passageway and hot melting chamber intercommunication, and the relative feedstock channel of outflow passageway is off-set, is equipped with heating device on the hot melting seat, and heating device is used for heating the consumptive material of hot melting intracavity. Can fully prevent multichannel feeding in-process, material takes place mutual interference jam etc. in the relative passageway, ensures that the nozzle ejection of compact is even reliable, improves printing efficiency and quality greatly.
Description
Technical Field
The utility model relates to a 3D printing apparatus field, concretely relates to prevent stifled shower nozzle for 3D printer.
Background
Along with the becoming mature of 3D printing technique, utilize single nozzle multithread structure to realize that multicolor printing becomes the important function of current 3D printer, its printing process is extruded from the nozzle after mainly heating hot melt type material silk, solidification cooling prints into the entity finally on printing work platform, in current single nozzle multithread structure, adopt direct intercommunication between runner and the nozzle, two runners are "Y" style of calligraphy usually with nozzle intercommunication position, similar three way connection structure, this kind of structure, when making the consumptive material flow from the runner towards the nozzle, very easily take place to block up in the fork position, or in the cluster another runner, it is inhomogeneous to lead to the ejection of compact of consumptive material in nozzle department, thereby influence printing efficiency and quality.
SUMMERY OF THE UTILITY MODEL
For solving above technical problem, the utility model provides a prevent stifled shower nozzle for 3D printer to ensure nozzle ejection of compact reliability, improve and print efficiency and quality.
The technical scheme is as follows:
the utility model provides an prevent stifled shower nozzle for 3D printer, includes hot melt seat, its key lies in: the hot melting seat is internally provided with a hot melting cavity, the upper part of the hot melting seat is provided with at least two feeding channels communicated with the hot melting cavity, a gap is reserved between the lower end of each feeding channel and the bottom wall of the hot melting cavity, the bottom of the hot melting seat is provided with a nozzle, the nozzle is communicated with the hot melting cavity through an outflow channel, the outflow channel is offset relative to the feeding channel, the hot melting seat is provided with a heating device, and the heating device is used for heating consumables in the hot melting cavity.
Structure more than adopting, through setting up solitary hot melt chamber, linear consumptive material directly gets into the hot melt intracavity and prints through the nozzle blowout after the hot melt again, and can not like traditional structure, when multiple consumptive material used simultaneously, the consumptive material in the relative feedstock channel who sets up took place to interfere the jam, or in the cluster goes into another passageway, improves nozzle ejection of compact reliability greatly to guarantee printing efficiency and quality.
Preferably, the method comprises the following steps: the middle part of the hot melting cavity is provided with a depressed part, the upper end and the lower end of the outflow channel are respectively connected with the depressed part and the nozzle, and the top wall of the hot melting cavity is provided with a separation part which just extends towards the depressed part. Structure more than adopting, after the consumptive material got into the hot melt chamber, the hot melt was piled up to diffusing towards the depressed part, finally get into in the depressed part, and because the existence of partition portion, can effectively avoid relative hot melt consumptive material to block each other, in the children can not get into the depressed part, reduce mutual interference.
Preferably, the method comprises the following steps: the hot melt chamber is rectangle or circular columnar structure, the depressed part cross-section is flat columnar structure, the partition portion is circular columnar structure, just depressed part, partition portion and outflow passageway and the coaxial setting of nozzle, feedstock channel follows the axis evenly distributed of depressed part. By adopting the scheme, the flow efficiency of the hot-melt consumable material is improved, and the flow uniformity is ensured.
Preferably, the method comprises the following steps: the heating device is a heating pump, a heating pump placing hole is formed in the position, corresponding to the hot melting cavity, of the hot melting seat, and the heating pump is located in the heating pump placing hole. By adopting the scheme, the heating can be rapidly carried out, the consumable hot melting use is realized, the heat use efficiency can be improved, and the energy consumption is reduced.
Preferably, the method comprises the following steps: the heating pump placing hole is arranged along the width direction of the hot melting cavity and is located right ahead of the hot melting cavity, and a heating pump fixing hole penetrating through the heating pump placing hole is formed in the outer wall of the hot melting seat. By adopting the scheme, the stability of the heating pump can be fully ensured, the heating efficiency of the hot melting cavity can be improved, and the heating blind area is prevented.
Preferably, the method comprises the following steps: the hot melting seat is provided with a temperature measuring device placing hole above the heating device, the temperature measuring device placing hole is used for installing a temperature detecting device, and the outer wall of the hot melting seat is provided with a temperature measuring device fixing hole penetrating through the temperature measuring device placing hole. Structure more than adopting, the installation temperature-detecting device of being convenient for, real-time measurement temperature to reach the purpose of better control heat pump heating temperature, reducible energy consumption can prevent simultaneously that the high temperature from causing the damage to feedstock channel, is favorable to prolonging whole life.
Preferably, the method comprises the following steps: the end part of the hot melting seat corresponding to the temperature measuring device placing hole is provided with a yielding groove. By adopting the structure, the end part of the temperature measuring device can be protected to a certain extent, and the side collision is prevented, so that the temperature measuring device has better reliability.
Preferably, the method comprises the following steps: the part of the feeding channel, which is exposed out of the hot melting cavity, is sleeved with a heat dissipation seat, and heat dissipation fins are distributed on the heat dissipation seat. Structure more than adopting is favorable to preventing that the temperature of bottom hot melt seat from upwards conducting along with feedstock channel for linear consumptive material has not melted when entering hot melt chamber yet, does through the heat dissipation and ensures that linear consumptive material gets into the hot melt intracavity with linear gesture, guarantees that the feeding is smooth and easy.
Preferably, the method comprises the following steps: the upper end of the heat dissipation seat is provided with a spray head fixing hole. The spray head can be quickly and integrally installed and fixed through the spray head fixing hole, and the installation efficiency and the stability of the spray head are improved.
Preferably, the method comprises the following steps: and fan mounting holes are formed in the positions, corresponding to the radiating fins, of the radiating seat, and the fan mounting holes are used for mounting radiating fans. By adopting the scheme, the radiating fan can be directly installed on the radiating seat, and the radiating effect is improved.
Compared with the prior art, the beneficial effects of the utility model are that:
the anti-blocking sprayer for the 3D printer, which adopts the technical scheme, can fully prevent the materials from interfering with each other and blocking in the relative channel in the multi-channel feeding process, and ensure the uniform and reliable discharge of the nozzle, thereby improving the printing efficiency and quality.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a side view of FIG. 1;
FIG. 3 is a top view of FIG. 1;
FIG. 4 is a schematic view of the internal structure of FIG. 1;
fig. 5 is a partially enlarged view of a portion a in fig. 4.
Detailed Description
The present invention will be further described with reference to the following examples and accompanying drawings.
Referring to fig. 1 to 5 the utility model discloses a prevent stifled shower nozzle for 3D printer, it mainly includes hot melt seat 1 and radiating seat 5, the thickness of the two is unanimous basically, and be aluminium goods, wherein hot melt seat 1 is inside to be roughly to be hourglass hopper-shaped cavity hot melt chamber 10, the vertical feed channel 2 that is equipped with at least two and hot melt chamber 10 intercommunication on the hot melt seat 1, leave the clearance between the diapire in feed channel 2 and hot melt chamber 10, the bottom of hot melt seat 1 is equipped with cylindric nozzle 3, nozzle 3 is through outflow passageway 16 and hot melt chamber 10 intercommunication, the lower extreme is the spout that is the taper, and the relative feed channel 2 biasing of nozzle 3, the tip of any one feed channel 2 is just to nozzle 3 promptly, thereby can reserve sufficient space for the hot melt of linear material 6.
The hot melt cavity 10 in this embodiment is a prism structure with a rectangular cross section, the number of the feed channels 2 is two, the two feed channels 2 are respectively connected with two ends of the hot melt cavity 10, the minimum diameter of the recessed portion 100 is equal to the width of the hot melt cavity 10, the diameter of the partition portion 101 is smaller than the minimum diameter of the recessed portion 100, and the diameter of the outflow channel 2 is far smaller than the diameter of the partition portion 101.
Referring to fig. 1 to 3, a heating device 4 is disposed on a hot melt seat 1, the heating device 4 in this embodiment is two heating pumps, the heating pumps are disposed along a width direction of the hot melt seat 1, and positions of the heating pumps correspond to a hot melt cavity 10, two heating pump placing holes 11 are disposed on the hot melt seat 1, the two heating pumps are respectively disposed in the two heating pump placing holes 11, in order to ensure heating effect and also to ensure disassembly and assembly efficiency, the heating pump placing holes 11 in this embodiment are located right in front of the hot melt cavity 10, meanwhile, a heating pump fixing hole 12 is disposed on the hot melt seat 1 corresponding to the heating pump placing holes 11, and the heating pumps inside can be fixed and locked by screwing a screw into the heating pump fixing hole 12.
Correspondingly, for better monitoring control heating temperature, be equipped with temperature measuring device on hot melt seat 1 and place hole 13 in heating device 4's top, temperature measuring device places and is equipped with temperature-detecting device such as temperature sensor in the hole 13, it then is provided with temperature measuring device fixed orifices 14 to place hole 13 corresponding temperature measuring device on hot melt seat 1, its effect is similar with heat pump fixed orifices 12, mainly used fixed temperature detection device, the dismouting of being convenient for, and in this embodiment, temperature measuring device places hole 13 and heat pump fixed orifices 12 parallel arrangement, the position that the hole 13 both ends were placed to the temperature measuring device that corresponds in the hot melt seat 1 left and right sides is equipped with the groove of stepping down 15.
Referring to fig. 1 to 5, the upper portion of feedstock channel 2 is located to the heat dissipation seat 5 cover, mainly used prevents when the high temperature, get into rapid hot melt of linear material 6 of feedstock channel 2, easy adhesion is on feedstock channel 2's inner wall, be unfavorable for the circumstances such as pay-off to take place, heat dissipation seat 5 and feedstock channel 2 fixed connection, the position that the both sides of heat dissipation seat 5 correspond feedstock channel 2 is equipped with passageway fixed orifices 53, it can lock corresponding feedstock channel 2 fixedly to twist the machine rice screw, also be fixed connection between feedstock channel 2 and the hot melt seat 1 simultaneously, the upper end terminal surface of heat dissipation seat 5 is run through out to the upper end of feedstock channel 2, the upper portion of heat dissipation seat 5 is equipped with shower nozzle fixed orifices 51, just so can carry out fixed mounting with whole shower nozzle through shower nozzle fixed orifices 51.
The heat sink 5 is provided with heat dissipation fins 50 distributed in an array from top to bottom, and meanwhile, the heat sink 5 is provided with fan mounting holes 52 at one side provided with the heat dissipation fins 50, so that a small fan can be mounted in the using process through the fan mounting holes 52, and the heat dissipation speed of the heat dissipation fins 50 is further increased.
Referring to the anti-blocking sprayer for the 3D printer shown in fig. 1 to 5, during installation, the feeding channel 2 is fixedly connected with the hot melting seat 1, then the nozzle 3, the heating device 4, the temperature detection device and the like are installed on the hot melting seat 1 and are fixed through corresponding fixing holes, finally, the heat dissipation seat 5 is fixedly sleeved on the upper portion of the feeding channel 2 and is fixedly connected with the heat dissipation seat 5, and during use, the heat dissipation fan is installed on the heat dissipation seat 5.
In the printing process, because the existence of radiating seat 5, linear consumptive material 6 can be in initial state gets into hot melt chamber 10 through feedstock channel 2, and when being close to hot melt chamber 10, linear consumptive material 6 begins the hot melt promptly to in the molten state gets into depressed part 100, the rethread flows out passageway 16 and prints through nozzle 3 blowout.
Finally, it should be noted that the above description is only a preferred embodiment of the present invention, and those skilled in the art can make various similar representations without departing from the spirit and the scope of the present invention.
Claims (10)
1. The utility model provides an prevent stifled shower nozzle for 3D printer, includes hot melt seat (1), its characterized in that: have hot melt chamber (10) in hot melt seat (1), the upper portion of hot melt seat (1) is equipped with at least two feedstock channel (2) with this hot melt chamber (10) intercommunication, and leaves the clearance between the diapire of the lower extreme of feedstock channel (2) and hot melt chamber (10), and the bottom of hot melt seat (1) is equipped with nozzle (3), nozzle (3) are through outflow passageway (16) and hot melt chamber (10) intercommunication, the relative feedstock channel (2) of outflow passageway (16) bias, be equipped with heating device (4) on hot melt seat (1), heating device (4) are used for heating the consumptive material in hot melt chamber (10).
2. The anti-blocking sprayer for the 3D printer according to claim 1, characterized in that: the middle of the hot melt cavity (10) is provided with a concave part (100), the upper end and the lower end of the outflow channel (16) are respectively connected with the concave part (100) and the nozzle (3), and the top wall of the hot melt cavity (10) is provided with a separation part (101) which just extends towards the concave part (100).
3. The anti-blocking sprayer for the 3D printer according to claim 2, characterized in that: the hot melt chamber (10) is rectangle or circular columnar structure, depressed part (100) cross-section is flat columnar structure, divide portion (101) to be circular columnar structure, just depressed part (100), divide portion (101) and outflow passageway (16) and nozzle (3) coaxial setting, the axis evenly distributed of depressed part (100) is followed in feedstock channel (2).
4. The anti-blocking spray head for a 3D printer according to any one of claims 1 to 3, characterized in that: the heating device (4) is a heating pump, a heating pump placing hole (11) is formed in the position, corresponding to the hot melting cavity (10), of the hot melting seat (1), and the heating pump is located in the heating pump placing hole (11).
5. The anti-blocking sprayer for the 3D printer according to claim 4, characterized in that: the heating pump placing hole (11) is arranged along the width direction of the hot melting cavity (10) and located right ahead of the hot melting cavity (10), and a heating pump fixing hole (12) penetrating through the heating pump placing hole (11) is formed in the outer wall of the hot melting seat (1).
6. The anti-blocking sprayer for the 3D printer according to claim 4, characterized in that: the hot melt seat is characterized in that a temperature measuring device placing hole (13) is formed in the hot melt seat (1) above the heating device (4), the temperature measuring device placing hole (13) is used for installing a temperature detecting device, and a temperature measuring device fixing hole (14) penetrating through the temperature measuring device placing hole (13) is formed in the outer wall of the hot melt seat (1).
7. The anti-blocking sprayer for the 3D printer according to claim 6, characterized in that: the end part of the hot melting seat (1) corresponding to the temperature measuring device placing hole (13) is provided with a yielding groove (15).
8. The anti-blocking sprayer for the 3D printer according to claim 1, characterized in that: the part of the feeding channel (2) exposed out of the hot melting cavity (10) is sleeved with a heat radiating seat (5), and heat radiating fins (50) are distributed on the heat radiating seat (5).
9. The anti-blocking sprayer for the 3D printer according to claim 8, characterized in that: and the upper end of the heat radiating seat (5) is provided with a spray head fixing hole (51).
10. The anti-blocking spray head for the 3D printer according to claim 8 or 9, characterized in that: and a fan mounting hole (52) is formed in the position, corresponding to the radiating fin (50), of the radiating seat (5), and the fan mounting hole (52) is used for mounting a radiating fan.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201920948357.0U CN210174209U (en) | 2019-06-21 | 2019-06-21 | Anti-blocking spray head for 3D printer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201920948357.0U CN210174209U (en) | 2019-06-21 | 2019-06-21 | Anti-blocking spray head for 3D printer |
Publications (1)
Publication Number | Publication Date |
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CN210174209U true CN210174209U (en) | 2020-03-24 |
Family
ID=69838498
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201920948357.0U Expired - Fee Related CN210174209U (en) | 2019-06-21 | 2019-06-21 | Anti-blocking spray head for 3D printer |
Country Status (1)
Country | Link |
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CN (1) | CN210174209U (en) |
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2019
- 2019-06-21 CN CN201920948357.0U patent/CN210174209U/en not_active Expired - Fee Related
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200324 |