CN210940472U - 3D printer heating shower nozzle - Google Patents
3D printer heating shower nozzle Download PDFInfo
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- CN210940472U CN210940472U CN201920925893.9U CN201920925893U CN210940472U CN 210940472 U CN210940472 U CN 210940472U CN 201920925893 U CN201920925893 U CN 201920925893U CN 210940472 U CN210940472 U CN 210940472U
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- heating
- nozzle
- pipe
- connecting sleeve
- heat
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 61
- 239000007921 spray Substances 0.000 claims abstract description 22
- 239000000463 material Substances 0.000 claims abstract description 19
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 14
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 14
- 229910001069 Ti alloy Inorganic materials 0.000 claims description 13
- 239000000956 alloy Substances 0.000 claims description 5
- 230000017525 heat dissipation Effects 0.000 claims description 5
- 229910000838 Al alloy Inorganic materials 0.000 claims description 4
- 238000007639 printing Methods 0.000 abstract description 25
- 238000001816 cooling Methods 0.000 abstract description 12
- 230000002349 favourable effect Effects 0.000 abstract 1
- 238000007493 shaping process Methods 0.000 abstract 1
- 229940058401 polytetrafluoroethylene Drugs 0.000 description 13
- 239000000498 cooling water Substances 0.000 description 6
- 238000010146 3D printing Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 238000003754 machining Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 229910000906 Bronze Inorganic materials 0.000 description 2
- -1 Poly tetra fluoroethylene Polymers 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000010974 bronze Substances 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 229920001973 fluoroelastomer Polymers 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005459 micromachining Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a 3D printer heating shower nozzle relates to numerical control processing equipment technical field, can realize the quick response of printing material heating to the material heating is even, is favorable to improving the speed and the precision of printing the part. The utility model discloses a: guide tube, cooling tube, adapter sleeve, heating member, shower nozzle. One end of the guide pipe is connected with the wire, the other end of the guide pipe is connected with the radiating pipe, the radiating pipe is embedded inside the connecting sleeve, and the top end of the connecting sleeve is connected with the heating body. The heating body is hollow, and the top end of the connecting sleeve and the nozzle are both arranged in the cavity of the heating body. The wire rod is introduced from the wire guide pipe, finally enters the spray head through the radiating pipe and is sprayed out from the spray nozzle of the spray head. The utility model discloses the heating is quick even, and response speed is fast, has promoted printing speed and shaping precision.
Description
Technical Field
The invention relates to the technical field of numerical control machining equipment, in particular to a heating nozzle of a 3D printer.
Background
The 3D printing technology is a technology for manufacturing an entity by using a bondable material such as material powder or plastic and printing layer by layer on the basis of a digital model file. Compared with the traditional manufacturing method, the method does not need machining or micro-machining, the printing technology is directly combined by computer graphic data and a printer to generate drawn parts, a plurality of intermediate links of machining are omitted, the research and development period of products is greatly shortened, the production efficiency is improved, and the utilization efficiency of materials is greatly improved.
The actual forming accuracy of 3D printing is mainly affected by factors such as the temperature of the nozzle, the room temperature of the forming, the material shrinkage properties, the thickness of the layers, the extrusion speed, the filling speed, the manufacturing and assembling accuracy of the printer itself, and vibrations during operation. And the printer nozzle of prior art adopts the resistance wire heating mode, and rate of heating is slow, and heating delay time is long and the heating is inhomogeneous, takes place to block up easily in the shower nozzle when the material is printed, is difficult for realizing the 3D of high-speed high accuracy and prints. Therefore, the 3D printer heating sprayer with the advantages of rapid and uniform heating and high response speed is very necessary for improving the printing speed and the forming precision.
Disclosure of Invention
The heating nozzle of the 3D printer provided by the invention has the advantages that the heating speed is high, the quick response of heating of a printing material is realized, the material is uniformly heated, and the speed and the precision of printing parts are favorably improved.
In order to achieve the purpose, the invention adopts the following technical scheme:
A3D printer heating shower nozzle includes: guide tube, cooling tube, adapter sleeve, heating member, shower nozzle.
One end of the guide pipe is connected with the wire, the other end of the guide pipe is connected with the radiating pipe, the radiating pipe is embedded inside the connecting sleeve, and the top end of the connecting sleeve is connected with the heating body. The heating body is hollow, and the top end of the connecting sleeve and the nozzle are both arranged in the cavity of the heating body. The wire rod is introduced from the wire guide pipe, finally enters the spray head through the radiating pipe and is sprayed out from the spray nozzle of the spray head.
Furthermore, the heating body is made of MCH (Metal Ceramics heath Metal ceramic heating element) material, and the MCH material has the characteristics of high heating speed and high heat conduction speed.
Further, set up the through-hole on the connecting sleeve, the through-hole with the radial of cooling tube is central axis symmetry, and the function of through-hole is cooling water circulation mounting hole for let in thereby the cooling water keeps printing the wire cooling.
Further, the connecting sleeve with set up the heat insulating tube between the cooling tube for the part and the heating part that the heat insulating tube protected produce the difference in temperature.
Furthermore, a PTFE (Poly tetra fluoroethylene) pipe is also nested in the heat dissipation pipe, and the friction coefficient of the PTFE pipe is small, so that the printing wire can be conveniently pulled in and withdrawn.
Furthermore, a heat conduction pipe is nested on the inner side of the heat conductor and is connected with the connecting sleeve and the outer wall of the spray head.
Further, the heat conduction pipe is made of an aluminum alloy material.
Furthermore, the connecting sleeve is a titanium alloy thin wall, the heat conductivity of the titanium alloy material is low, the overall structural strength is guaranteed, the heat dissipation is reduced, and the energy utilization rate is improved.
The invention has the beneficial effects that:
the heating body is made of an MCH material, so that the heating speed and the heat conduction speed are high, the spray head is efficient and energy-saving, the temperature is uniform, the heat conduction performance is good, the heat compensation speed is high, the quick response of a printing temperature control system can be realized, the cold start of 3D printing is fast, and the printing speed and the printing precision are high;
the heat conduction pipe is made of aluminum alloy materials, so that heat generated by the MCH heating body can be quickly conducted to the nozzle, and quick heat conduction of the spray head is realized;
the connecting sleeve is made of a titanium alloy thin-wall material with low thermal conductivity and is connected with the heat conduction pipe, so that the overall structural strength of the nozzle is guaranteed, heat dissipation is reduced, and the energy utilization rate is improved. At the material conveying part at center, at first use thermal-insulated pipe to keep apart outside heat, avoid heat transfer to central wire regional as far as possible, the cooling tube parcel that the PTFE pipe was made by bronze material simultaneously, the cooling tube is derived the heat to the cooling water. Thereby form good temperature gradient between heating member, adapter sleeve, cooling tube, PTFE intertube, make shower nozzle upper portion dispersion heat effectual, the temperature is lower in the conveying pipeline, can avoid the printing wire rod of conveying pipeline part to melt, avoids the pipeline to block, improves the effect of sending a efficiency and pumpback.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a structural sectional view of the present invention.
The heat pipe comprises a guide pipe 1, a heat radiating pipe 2, a 3-fluorine rubber sealing ring, a 4-titanium alloy thin-wall connecting sleeve, a heat insulating pipe 5, a PTFE (polytetrafluoroethylene) pipe 6, a MCH (copper-free) heating body 7, a leakage-proof gasket 8, a heat conducting block 9 and a spray head 10.
Detailed Description
In order that those skilled in the art will better understand the technical solutions of the present invention, the present invention will be further described in detail with reference to the following detailed description.
The embodiment of the invention provides a heating nozzle of a 3D printer, which comprises the following components as shown in figures 1 and 2: the device comprises a guide pipe 1, a radiating pipe 2, a fluororubber sealing ring 3, a titanium alloy thin-wall connecting sleeve 4, a heat insulation pipe 5, a PTFE pipe 6, an MCH heating body 7, an anti-leakage gasket 8, a heat conducting block 9 and a spray head 10.
One end of the guide pipe 1 is connected with the radiating pipe 2, and the radiating pipe 2 is nested inside the titanium alloy thin-wall connecting sleeve 4. The left end of the radiating pipe 2 is provided with a round table; the titanium alloy thin-wall connecting sleeve 4 is of a structure with a tubular right end and an installation block at a left end. The left end with the mounting block structure is connected with the round table part of the radiating pipe 2, and a fluorine rubber sealing ring 3 is arranged at the joint. The side of installation piece still sets up the through-hole, and as cooling water circulation mounting hole, cooling water circulation system makes whole shower nozzle upper portion wire rod input portion and lower part shower nozzle cold and hot region cut apart obviously, avoids shower nozzle 10 to block up the problem.
The tubular structure part of the titanium alloy thin-wall connecting sleeve 4 is also provided with a heat insulation pipe 5 at the inner side, and the heat insulation pipe 5 is clamped between the titanium alloy thin-wall connecting sleeve 4 and the radiating pipe 2. The inside of the radiating pipe 2 is also nested with a PTFE pipe 6.
The rightmost end of the titanium alloy thin-wall connecting sleeve 4 is connected with a heat-conducting block 9 through threads, the heat-conducting block 9 and the MCH heating body 7 are both of tubular structures, and the heat-conducting block 9 is arranged on the inner side of the MCH heating body 7. The nozzle 10 is also arranged inside the heat conducting block 9 and is coaxially connected with the PTFE tube 6, and a leakage-proof gasket 8 is arranged at the joint to prevent the heated wire from leaking. The hollow parts of the guide pipe 1, the PTFE pipe 6 and the spray head 10 form a feeding pipeline together.
The working principle of the embodiment is as follows:
the printing wire rod of wire conduit 1 with the outside is sent into below heating shower nozzle position, through the PTFE pipe 6 in cooling tube 2, can guarantee that the wire rod is smooth to get into the heating region. The MCH heater 7 can be heated quickly to the required temperature after the start of printing for about 20 s. The heat conducting block 9 is internally provided with threads for transitionally connecting the spray head 10 with the radiating pipe 2 and simultaneously can rapidly transmit the heat of the MCH heating body 7. A temperature sensor can be arranged at the position of the heat conducting block 9 to monitor the temperature of the spray head 10 and control the temperature parameters.
When the nozzle 10 is used for printing, different apertures can be selected according to the printing wire type, the set heating temperature, the printing structure and other factors, so that different printing requirements are met.
The invention has the beneficial effects that:
the MCH heating body is used as a heating source to heat the printing material, the heating speed and the heat conduction speed of the MCH heating body are high, the spray head is efficient and energy-saving, the temperature is uniform, the heat conduction performance is good, the thermal compensation speed is high, the quick response of a printing temperature control system can be realized, the cold start of 3D printing is fast, and the printing speed and the printing precision are high;
the heat conducting block is made of aluminum alloy materials, so that heat generated by the MCH heating body can be rapidly conducted to the spray head, rapid heat conduction of the spray head is achieved, and meanwhile, the temperature sensor is arranged at a position close to the spray nozzle, so that the temperature of the spray nozzle can be accurately detected in real time;
the invention adopts the titanium alloy thin-wall connecting sleeve with low heat conductivity to be connected with the heat conducting block, thereby reducing heat dissipation and improving energy utilization rate while ensuring the overall structural strength of the nozzle. At the material conveying part in center, at first use thermal-insulated pipe to keep apart outside heat, avoid heat transfer to central zone as far as possible, the cooling tube parcel that the PTFE pipe was made by bronze material simultaneously, the cooling tube is derived the heat to the cooling water. Thereby form good temperature gradient between MCH heating member, titanium alloy installation cover, cooling tube, conveying pipeline, make shower nozzle upper portion scattered hot effectual, the temperature is lower in the conveying pipeline, can avoid the printing wire rod of conveying pipeline part to melt, avoids the pipeline to block, improves the effect of sending a efficiency and pumpback.
The above description is only for the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. The utility model provides a 3D printer heating shower nozzle which characterized in that includes: a guide tube, a radiating tube, a connecting sleeve, a heating body and a nozzle,
one end of the guide pipe is introduced with the wire, the other end of the guide pipe is connected with the radiating pipe, the radiating pipe is nested inside the connecting sleeve, and the top end of the connecting sleeve is connected with the heating body;
the heating body is hollow, and the top end of the connecting sleeve and the nozzle are both arranged in the cavity of the heating body;
the wire rod is introduced from the wire guide pipe, finally enters the spray head through the radiating pipe and is sprayed out from the spray nozzle of the spray head.
2. The heating nozzle of the 3D printer according to claim 1, wherein the heating body is made of MCH material.
3. The heating nozzle for 3D printer as claimed in claim 1, wherein the connection sleeve is provided with through holes, and the through holes are symmetrical with the radial direction of the heat dissipation pipe as a central axis.
4. The heating sprinkler head for 3D printer according to claim 1, characterized in that an insulating pipe is arranged between the connecting sleeve and the heat radiating pipe.
5. The 3D printer heater nozzle of claim 1, wherein a PTFE tube is further nested within the heat sink tube.
6. The heating nozzle for the 3D printer according to claim 1, wherein a heat pipe is nested inside the heating body, and the heat pipe is connected with the connecting sleeve and the outer wall of the nozzle.
7. The heating nozzle of the 3D printer according to claim 6, wherein the heat pipe is made of aluminum alloy material.
8. The heating nozzle for the 3D printer according to claim 1, wherein the connecting sleeve is a titanium alloy thin wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920925893.9U CN210940472U (en) | 2019-06-19 | 2019-06-19 | 3D printer heating shower nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920925893.9U CN210940472U (en) | 2019-06-19 | 2019-06-19 | 3D printer heating shower nozzle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210940472U true CN210940472U (en) | 2020-07-07 |
Family
ID=71390916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920925893.9U Active CN210940472U (en) | 2019-06-19 | 2019-06-19 | 3D printer heating shower nozzle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210940472U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110228199A (en) * | 2019-06-19 | 2019-09-13 | 南京航空航天大学 | A kind of 3D printer heating nozzle |
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2019
- 2019-06-19 CN CN201920925893.9U patent/CN210940472U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110228199A (en) * | 2019-06-19 | 2019-09-13 | 南京航空航天大学 | A kind of 3D printer heating nozzle |
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