CN207643722U - A kind of 3D printer heating needle head structure - Google Patents
A kind of 3D printer heating needle head structure Download PDFInfo
- Publication number
- CN207643722U CN207643722U CN201721693795.4U CN201721693795U CN207643722U CN 207643722 U CN207643722 U CN 207643722U CN 201721693795 U CN201721693795 U CN 201721693795U CN 207643722 U CN207643722 U CN 207643722U
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- China
- Prior art keywords
- heating
- needle
- wall
- syringe needle
- fixed seat
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Abstract
The utility model discloses a kind of 3D printers to heat needle head structure, it is intended to which the print head heating effect for solving 3D printer is bad, print head discharge port position uneven heating, influences the deficiency of the fluency and uniformity of discharging.The utility model includes feeding needle tubing, heating mantle, collet, heating wire is installed on heating mantle inner wall, incubation cavity is equipped between heating mantle outer wall and sleeve's inner wall, heating mantle lower end connection heating bell and spigot joint, heating bell and spigot joint is closely connect with collet lower end, feeding needle tubing lower end is equipped with positioning head, the discharge barrel being connected to feeding needle tubing is equipped in positioning head, positioning head is closely inserted into heating bell and spigot joint, it is connected with syringe needle fixed seat in heating bell and spigot joint, syringe needle fixed seat lower end connecting needle, metal discharge nozzle is equipped in syringe needle, metal discharge nozzle upper end extends in discharge barrel, metal discharge nozzle lower end extended needle.
Description
Technical field
The utility model is related to a kind of 3D printers, more specifically, it relates to which a kind of 3D printer heats needle head structure.
Background technology
With the continuous development of 3D printing technique, its application field is more and more broader, is not used only in the industrial production,
It is also may be used at food service industry, the food of all kinds of shapes is processed by 3D printing technique, it is not only tasty, but also beautiful outline form
It sees, can more be favored by consumer.Print head is one of core component of 3D printer, and raw material is being printed from print head extrusion
It is molded on platform, is arranged on many print heads for needing to ensure its fluency during raw material squeezes out, therefore using now
There is heating device, but heating effect is bad, print head discharge port position uneven heating, influences the fluency and uniformly of discharging
Property.
Utility model content
The print head heating effect that the utility model overcomes 3D printer is bad, and print head discharge port position is heated not
, the deficiency for influencing the fluency and uniformity of discharging provides a kind of 3D printer heating needle head structure, the heating effect of syringe needle
Fruit is good, and the discharge port position good heat conduction effect of syringe needle is heated evenly, it is ensured that the fluency and uniformity of discharging.
In order to solve the above-mentioned technical problem, the utility model uses following technical scheme：A kind of 3D printer heating syringe needle
Structure, including feeding needle tubing, heating mantle, collet, are equipped with heating wire on heating mantle inner wall, in heating mantle outer wall and collet
Incubation cavity, heating mantle lower end connection heating bell and spigot joint are equipped between wall, heating bell and spigot joint is closely connect with collet lower end, feeding
Needle tubing lower end is equipped with positioning head, is equipped with the discharge barrel being connected to feeding needle tubing in positioning head, positioning head is closely inserted into heating mantle
It in connector, heats and is connected with syringe needle fixed seat in bell and spigot joint, syringe needle fixed seat lower end connecting needle, the interior metal that is equipped with of syringe needle discharges
Pipe, metal discharge nozzle upper end extend in discharge barrel, metal discharge nozzle lower end extended needle.
3D printer heats syringe needle in use, heating wire is powered on is heated to heating mantle, and heat is transmitted to feeding
The incubation cavity that the raw material in feeding needle tubing is heated, and constituted between heating mantle and collet in needle tubing plays well
Heat insulation effect prevents the loss of heat, further increases the heating effect to raw material, makes being uniformly heated for raw material.Syringe needle
Fixed seat plays good positioning action to syringe needle, and the metal custom heat-conducting effect being arranged in syringe needle has, and is conducive to raw material
Heating, so that raw material is heated evenly, be conducive to the fluency to discharge in print procedure and uniformity.This 3D printer heating stylus
Head heating effect is good, and the discharge port position good heat conduction effect of syringe needle is heated evenly, it is ensured that the fluency and uniformity of discharging.
Preferably, lower end position is equipped with filter screen in feeding needle tubing.The setting of filter screen prevents larger in raw material
Impurity is caused blockages by metal tubule, it is ensured that 3D printer heats the reliably working of syringe needle.
Preferably, being equipped with temperature sensor on heating bell and spigot joint, temperature sensor is electrically connected controller, controller electricity
Connect heating wire.Temperature sensor is detected the temperature of heating mantle, and controller controls heating wire according to the temperature of detection
Work, convenient for flexibly control heating mantle to the heating temperature of raw material.
Preferably, syringe needle fixed seat upper end is close-coupled between discharging drum outer wall and positioning head inner wall.Syringe needle is fixed
Seat connection is reliable, and good airproof performance prevents raw material leakage phenomenon.
Preferably, being equipped with locking internal thread, syringe needle upper end and locking internal thread close to lower end position in syringe needle fixed seat
It is fastenedly connected, setting internal thread position is closely set with separation set in syringe needle fixed seat, and separation set upper side is sleeved on syringe needle and fixes
On seat inner wall, the setting of syringe needle upper end is separating between set outer wall and syringe needle fixed seat inner wall, and inner needle wall and separation set outer wall are close
Big envelope is fitted together.Separate set to be conducive to improve the leakproofness that syringe needle is connect with syringe needle fixed seat.
Preferably, being connected with lock-screw on heating bell and spigot joint, lock-screw is connected on syringe needle fixed seat outer wall.Lock
Tight screw keeps the connection of syringe needle fixed seat relatively reliable.
Preferably, the tapered structure in collet lower end.The tapered structure in collet lower end prevents heat-insulated in print procedure
Set is interfered with product.
Compared with prior art, the utility model has the beneficial effects that：3D printer heating syringe needle heating effect is good, syringe needle
Discharge port position good heat conduction effect, be heated evenly, it is ensured that the fluency and uniformity of discharging.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of the utility model；
In figure：1, feeding needle tubing, 2, heating mantle, 3, collet, 4, incubation cavity, 5, heating bell and spigot joint, 6, positioning head, 7, go out
Barrel, 8, syringe needle fixed seat, 9, syringe needle, 10, metal discharge nozzle, 11, filter screen, 12, temperature sensor, 13, separate set, 14,
Lock-screw.
Specific implementation mode
Below by specific embodiment, and in conjunction with attached drawing, the technical solution of the utility model work is further specifically retouched
It states：
Embodiment：A kind of 3D printer heating needle head structure（Referring to attached drawing 1）, including it is feeding needle tubing 1, heating mantle 2, heat-insulated
3 are covered, heating wire is installed on heating mantle inner wall, heating wire is uniformly arranged on heating mantle inner wall, heating mantle outer wall and collet
Incubation cavity 4, heating mantle lower end connection heating bell and spigot joint 5 are equipped between inner wall, heating bell and spigot joint is closely connect with collet lower end,
Feeding needle tubing lower end is equipped with positioning head 6, is equipped with the discharge barrel 7 being connected to feeding needle tubing in positioning head, positioning head is closely inserted into
It heats in bell and spigot joint, heats in bell and spigot joint and be connected with syringe needle fixed seat 8, syringe needle fixed seat lower end connecting needle 9 is equipped in syringe needle
Metal discharge nozzle 10, metal discharge nozzle upper end extend in discharge barrel, metal discharge nozzle lower end extended needle.Under in feeding needle tubing
End position is equipped with filter screen 11.Temperature sensor 12 is installed, temperature sensor is electrically connected controller, control on heating bell and spigot joint
Device processed is electrically connected heating wire.Syringe needle fixed seat upper end is close-coupled between discharging drum outer wall and positioning head inner wall.Syringe needle is fixed
It is equipped with locking internal thread close to lower end position in seat, syringe needle upper end is fastenedly connected with locking internal thread, setting in syringe needle fixed seat
Internal thread position is closely set with separation set 13, separates set upper side and is sleeved on syringe needle fixed seat inner wall, and the setting of syringe needle upper end exists
Separate between set outer wall and syringe needle fixed seat inner wall, inner needle wall is set in together with set outer wall sealing is separated.Heat bell and spigot joint
On be connected with lock-screw 14, lock-screw is connected on syringe needle fixed seat outer wall.The tapered structure in collet lower end.
3D printer heats syringe needle in use, heating wire is powered on is heated to heating mantle, and heat is transmitted to feeding
The incubation cavity that the raw material in feeding needle tubing is heated, and constituted between heating mantle and collet in needle tubing plays well
Heat insulation effect prevents the loss of heat, further increases the heating effect to raw material, makes being uniformly heated for raw material.Syringe needle
Fixed seat plays good positioning action to syringe needle, and the metal custom heat-conducting effect being arranged in syringe needle has, and is conducive to raw material
Heating, so that raw material is heated evenly, be conducive to the fluency to discharge in print procedure and uniformity.This 3D printer heating stylus
Head heating effect is good, and the discharge port position good heat conduction effect of syringe needle is heated evenly, it is ensured that the fluency and uniformity of discharging.
Embodiment described above is a kind of preferable scheme of the utility model, is not made to the utility model any
Formal limitation, on the premise of not exceeding the technical scheme recorded in the claims also other variations and modifications.
Claims (7)
1. a kind of 3D printer heats needle head structure, characterized in that including feeding needle tubing, heating mantle, collet, heating mantle inner wall
On heating wire is installed, between heating mantle outer wall and sleeve's inner wall be equipped with incubation cavity, heating mantle lower end connection heating bell and spigot joint,
Heating bell and spigot joint is closely connect with collet lower end, and feeding needle tubing lower end is equipped with positioning head, is equipped with and feeding needle tubing in positioning head
The discharge barrel of connection, positioning head are closely inserted into heating bell and spigot joint, heat in bell and spigot joint and be connected with syringe needle fixed seat, syringe needle is solid
Reservation lower end connecting needle, syringe needle is interior to be equipped with metal discharge nozzle, and metal discharge nozzle upper end extends in discharge barrel, metal discharge nozzle
Lower end extended needle.
2. a kind of 3D printer according to claim 1 heats needle head structure, characterized in that lower end position in feeding needle tubing
Filter screen is installed.
3. a kind of 3D printer according to claim 1 heats needle head structure, characterized in that be equipped on heating bell and spigot joint
Temperature sensor, temperature sensor are electrically connected controller, and controller is electrically connected heating wire.
4. a kind of 3D printer according to claim 1 heats needle head structure, characterized in that syringe needle fixed seat upper end is close
It is connected between discharging drum outer wall and positioning head inner wall.
5. a kind of 3D printer according to any one of claims 1 to 4, heats needle head structure, characterized in that syringe needle is solid
It is equipped with locking internal thread close to lower end position in reservation, syringe needle upper end is fastenedly connected with locking internal thread, is set in syringe needle fixed seat
It sets internal thread position and is closely set with separation set, separate set upper side and be sleeved on syringe needle fixed seat inner wall, the setting of syringe needle upper end exists
Separate between set outer wall and syringe needle fixed seat inner wall, inner needle wall is set in together with set outer wall sealing is separated.
6. a kind of 3D printer according to any one of claims 1 to 4, heats needle head structure, characterized in that heating mantle
Lock-screw is connected on connector, lock-screw is connected on syringe needle fixed seat outer wall.
7. a kind of 3D printer according to any one of claims 1 to 4, heats needle head structure, characterized in that collet
The tapered structure in lower end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721693795.4U CN207643722U (en) | 2017-12-07 | 2017-12-07 | A kind of 3D printer heating needle head structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721693795.4U CN207643722U (en) | 2017-12-07 | 2017-12-07 | A kind of 3D printer heating needle head structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207643722U true CN207643722U (en) | 2018-07-24 |
Family
ID=62879577
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721693795.4U Active CN207643722U (en) | 2017-12-07 | 2017-12-07 | A kind of 3D printer heating needle head structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207643722U (en) |
-
2017
- 2017-12-07 CN CN201721693795.4U patent/CN207643722U/en active Active
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