CN220429305U - 3D printer head - Google Patents
3D printer head Download PDFInfo
- Publication number
- CN220429305U CN220429305U CN202321785074.1U CN202321785074U CN220429305U CN 220429305 U CN220429305 U CN 220429305U CN 202321785074 U CN202321785074 U CN 202321785074U CN 220429305 U CN220429305 U CN 220429305U
- Authority
- CN
- China
- Prior art keywords
- shell
- air
- melting
- air suction
- groove
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000002844 melting Methods 0.000 claims abstract description 30
- 230000008018 melting Effects 0.000 claims abstract description 28
- 239000000463 material Substances 0.000 claims abstract description 22
- 238000002347 injection Methods 0.000 claims abstract description 17
- 239000007924 injection Substances 0.000 claims abstract description 17
- 230000002093 peripheral effect Effects 0.000 claims abstract description 14
- 239000002994 raw material Substances 0.000 claims abstract description 10
- 238000010438 heat treatment Methods 0.000 claims description 11
- 238000007639 printing Methods 0.000 abstract description 12
- 239000000779 smoke Substances 0.000 abstract description 4
- 239000000155 melt Substances 0.000 abstract description 3
- 230000017525 heat dissipation Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010146 3D printing Methods 0.000 description 1
- 208000034530 PLAA-associated neurodevelopmental disease Diseases 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
Landscapes
- Ink Jet (AREA)
Abstract
The utility model discloses a 3D printer head, which comprises a shell and an injection end, wherein the injection end is positioned at the bottom end of the shell, a drainage groove is formed in the center of the injection end, and a plurality of air suction grooves connected to the top end of the injection end are formed around the drainage groove; a feeding hole is formed in the top end of the shell, a material guiding device is arranged below the feeding hole, a melting device is arranged on the material guiding device, and the bottom end of the melting device is connected with a drainage groove; the peripheral wall of the melter is provided with a plurality of radiating fins, the peripheral wall of the shell is provided with an air suction hole, the outside of the air suction hole surrounds an air collecting chamber, and the air collecting chamber is communicated with the air suction pipe. The air exhaust pipe continuously exhausts air to form negative pressure, air flows enter from the air suction groove, and convergent air flows are formed on the peripheral wall of the printing position, so that the material of the printing point is promoted to be rapidly cooled. When the air flow flows in the shell, the heat is immediately radiated through the radiating fins of the melter, and harmful smoke generated when the melter melts the raw material rod can be pumped away along with the negative pressure, so that overflow is avoided.
Description
Technical Field
The utility model relates to the technical field of 3D printer equipment, in particular to a 3D printer head.
Background
3D printing is a technology for constructing objects in a layer-by-layer printing mode, ABS, PLA and the like are mostly used as consumable materials to supply in a thread mode, when the consumable materials are heated and melted, toxic and harmful gases can be easily generated when the consumable materials are melted, and due to the fact that the material is strong in flowing property after being melted, heat is collected when the material is printed to a certain thickness, and a series of adverse effects are caused.
Disclosure of Invention
The utility model aims to provide a 3D printer head to solve the technical problems in the background technology.
In order to solve the technical problems, the technical scheme of the utility model is as follows:
the 3D printer head comprises a shell and an injection end, wherein the injection end is positioned at the bottom end of the shell, a drainage groove is formed in the center of the injection end, and a plurality of air suction grooves connected to the top end of the injection end are formed around the drainage groove; a feeding hole is formed in the top end of the shell, a material guiding device is arranged below the feeding hole, a melting device is arranged on the material guiding device, and the bottom end of the melting device is connected with a drainage groove; the peripheral wall of the melter is provided with a plurality of radiating fins, the peripheral wall of the shell is provided with an air suction hole, the outside of the air suction hole surrounds an air collecting chamber, and the air collecting chamber is communicated with the air suction pipe.
Further, be provided with the baffle in the casing and divide into upper chamber and lower cavity with the casing, the baffle center is provided with the guide sleeve, and the guider is installed in upper chamber, and the melting ware is installed in lower cavity.
Further, the melter comprises a preheating section, a melting section and a fixing section from top to bottom in sequence, a preheating groove is arranged in the preheating section, a preheating heating plate is embedded in the inner wall of the preheating groove, a melting cavity is arranged in the melting section, the melting heating plate is arranged in the inner wall of the melting cavity, and the bottom of the melting cavity is communicated with the drainage groove.
Further, the material guiding device adopts two opposite rotating rollers, and the peripheral wall of each roller is provided with an arc-shaped groove.
Furthermore, the inner diameter of the preheating groove embedded with the preheating heating plate is in clearance fit with the raw material rod, and the fit clearance is 0.3-0.4mm.
According to the utility model, the exhaust pipe continuously exhausts air to form negative pressure, air flows enter from the air suction groove, and the air suction groove is arranged around the drainage groove, so that convergent air flows can be formed on the peripheral wall of the printing position during printing, the rapid cooling of materials at printing points is promoted, the formation of convergent heat due to overhigh temperature is avoided, and the flowing or collapse of a melted printing object is avoided, so that flaws are formed. When the air current flows in the shell, the heat dissipation fins of the melter can conduct instant heat dissipation on the outside of the melter, so that the excessive high temperature of the printing head is avoided, and harmful smoke generated when the melter melts a raw material rod can be pumped away along with negative pressure, and centralized treatment is conducted subsequently, so that overflow is avoided.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
fig. 2 is a top view of the guide.
In the figure, a 1-shell, a 11-upper chamber, a 12-lower chamber, a 13-air suction hole, a 14-feed inlet, a 2-injection end, a 21-air suction groove, a 22-drainage groove, a 3-melter, a 31-preheating section, a 32-melting section, a 33-fixing section, a 34-preheating heating piece, a 35-melting heating piece, a 36-radiating fin, a 4-partition plate, a 41-material guiding sleeve, a 5-air collecting chamber, a 51-air suction pipe, a 6-roller, a 61-arc groove and a 7-raw material rod.
Detailed Description
The following describes the embodiments of the present utility model further with reference to the drawings. The description of these embodiments is provided to assist understanding of the present utility model, but is not intended to limit the present utility model. In addition, the technical features of the embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.
As shown in fig. 1-2:
the 3D printer head comprises a shell 1 and an injection end head 2, wherein the injection end head 2 is positioned at the bottom end of the shell 1, a drainage groove 22 is formed in the center of the injection end head 2, and a plurality of air suction grooves 21 connected to the top end of the injection end head 2 are formed around the drainage groove 22; a feed inlet 14 is formed in the top end of the shell 1, a material guiding device is arranged below the feed inlet 14, a melter 3 is arranged on the material guiding device, and the bottom end of the melter 3 is connected with a drainage groove 22; the peripheral wall of the melter 3 is provided with a plurality of radiating fins 36, the peripheral wall of the shell 1 is provided with an air suction hole 13, the air suction hole 13 surrounds the air collection chamber 5, and the air collection chamber 5 is communicated with the air suction pipe 51.
Working principle: the exhaust pipe 51 continuously exhausts air to form negative pressure, air flows enter from the air suction groove 21, the air suction groove 21 surrounds the guide groove 22, and therefore convergent air flows can be formed on the peripheral wall of the printing position during printing, rapid cooling of materials at printing points is promoted, heat collection caused by overhigh temperature is avoided, and molten printed objects are prevented from flowing or collapsing to form flaws.
When the air flow flows in the shell 1, the air flow passes through the radiating fins 36 of the melter 3, so that the exterior of the melter 3 can be subjected to instant heat radiation, the excessive temperature of a printing head is avoided, and harmful smoke generated when the melter 3 melts the raw material rod 7 can be pumped away along with negative pressure and is subjected to subsequent centralized treatment, so that overflow is avoided.
Specifically, be provided with baffle 4 in casing 1 and divide into upper chamber 11 and lower cavity 12 with casing 1, baffle 4 center is provided with guide sleeve 41, and the guider is installed at upper chamber 11, and melter 3 installs at lower cavity 12, can keep apart the guider alone like this, avoids long-term and outside air current contact.
As an optimized scheme, the melter 3 comprises a preheating section 31, a melting section 32 and a fixing section 33 from top to bottom in sequence, a preheating groove is formed in the preheating section 31, a preheating heating plate 34 is embedded in the inner wall of the preheating groove, a melting cavity is formed in the melting section 32, a melting heating plate 35 is arranged on the inner wall of the melting cavity, the bottom of the melting cavity is communicated with the drainage groove 22, the preheating section 31 can preheat and soften the raw material rod 7 firstly, and then the raw material rod is thoroughly melted through the melting section 32, so that the temperature requirement of the melting section 32 can be reduced, and the external heat dissipation burden is reduced.
As an optimized scheme, the material guiding device adopts two counter-rotating rollers 6, arc grooves 61 are formed in the peripheral walls of the rollers 6, the feeding speed is controlled by traction through rotation of the counter clamps, and the rollers 6 can be driven by a stepping motor or a servo motor, so that the feeding speed is convenient to accurately control.
As an optimized scheme, the inner diameter of the preheating groove embedded with the preheating heating plate 34 is in clearance fit with the raw material rod 7 by 0.3-0.4mm, so that the raw material rod 7 can be ensured to smoothly pass through the preheating section 31, and generated smoke can be smoothly discharged.
The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings, but the present utility model is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the utility model, and yet fall within the scope of the utility model.
Claims (5)
1. A 3D printer head, characterized by: the device comprises a shell and an injection end, wherein the injection end is positioned at the bottom end of the shell, a drainage groove is formed in the center of the injection end, and a plurality of air suction grooves connected to the top end of the injection end are formed around the drainage groove; a feeding hole is formed in the top end of the shell, a material guiding device is arranged below the feeding hole, a melting device is arranged on the material guiding device, and the bottom end of the melting device is connected with a drainage groove; the peripheral wall of the melter is provided with a plurality of radiating fins, the peripheral wall of the shell is provided with an air suction hole, the outside of the air suction hole surrounds an air collecting chamber, and the air collecting chamber is communicated with the air suction pipe.
2. The 3D printer head of claim 1, wherein: a baffle plate is arranged in the shell to divide the shell into an upper cavity and a lower cavity, a material guiding sleeve is arranged in the center of the baffle plate, a material guiding device is arranged in the upper cavity, and a melter is arranged in the lower cavity.
3. The 3D printer head of claim 2, wherein: the melting device comprises a preheating section, a melting section and a fixing section from top to bottom in sequence, wherein a preheating groove is formed in the preheating section, a preheating heating plate is embedded in the inner wall of the preheating groove, a melting cavity is formed in the melting section, the melting heating plate is arranged on the inner wall of the melting cavity, and the bottom of the melting cavity is communicated with the drainage groove.
4. The 3D printer head of claim 2, wherein: the material guiding device adopts two counter-rotating rollers, and the peripheral wall of each roller is provided with an arc-shaped groove.
5. A 3D printer head according to claim 3, characterized in that: the inner diameter of the preheating groove after the preheating heating plate is embedded is in clearance fit with the raw material rod, and the fit clearance is 0.3-0.4mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321785074.1U CN220429305U (en) | 2023-07-10 | 2023-07-10 | 3D printer head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321785074.1U CN220429305U (en) | 2023-07-10 | 2023-07-10 | 3D printer head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220429305U true CN220429305U (en) | 2024-02-02 |
Family
ID=89691860
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321785074.1U Active CN220429305U (en) | 2023-07-10 | 2023-07-10 | 3D printer head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220429305U (en) |
-
2023
- 2023-07-10 CN CN202321785074.1U patent/CN220429305U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105499572B (en) | A kind of electromagnetic induction heating type 3D printer extrudes shower nozzle | |
| CN104786510B (en) | Air-cooling device for printing head of 3D (three-dimensional) printing machine | |
| CN205341921U (en) | Shower nozzle is extruded to electromagnetic induction heating 3D printer | |
| CN106239922A (en) | A kind of 3D printer head and use the 3D printer of this shower nozzle | |
| CN220429305U (en) | 3D printer head | |
| CN106915074A (en) | A kind of 3D printing shower nozzle for preventing material leakage | |
| CN114516143A (en) | A high-efficiency injection molding machine | |
| CN113751727B (en) | 3D prints shower nozzle and 3D printing device | |
| CN1229895A (en) | Furnace | |
| CN106863800A (en) | A kind of 3D printing head with handoff functionality | |
| CN204488059U (en) | A kind of 3D printer port of printer with heat dissipation wind channel | |
| EP0134977B1 (en) | Method and apparatus for removing moisture and volatiles from molding particulate plastic material feed | |
| JPS59198110A (en) | Device for adjusting hygroscopic plastic material | |
| CN220180077U (en) | Quick shaping pipeline extruder | |
| CN108215162A (en) | A kind of novel fused glass pellet technology screw nozzle | |
| CN220841398U (en) | Feeding device of film blowing machine | |
| CN210308944U (en) | Heat energy recycling mechanism of plastic-steel section plastic extruding machine for door and window frame | |
| CN105922588B (en) | Swinging mounting printhead | |
| CN205661049U (en) | Oscillating mast beats printer head | |
| CN106077596A (en) | A kind of environment-friendly type aluminum profile extrusion system of good energy saving property | |
| CN116619683A (en) | A universal feeding device for injection molding of an injection molding machine | |
| CN211891993U (en) | An adjustable heat dissipation 3D printing nozzle | |
| CN215550908U (en) | Heating and melting device of biodegradable material film blowing machine | |
| CN207859486U (en) | A kind of novel proximal end extrusion nozzle structure | |
| CN206579133U (en) | A kind of melt extrusion apparatus of 3D printing plastics |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |