CN206493590U - Cooling device for 3D printing equipment printhead - Google Patents
Cooling device for 3D printing equipment printhead Download PDFInfo
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- CN206493590U CN206493590U CN201621153318.4U CN201621153318U CN206493590U CN 206493590 U CN206493590 U CN 206493590U CN 201621153318 U CN201621153318 U CN 201621153318U CN 206493590 U CN206493590 U CN 206493590U
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- coldplate
- cooling
- printhead
- water
- cooling water
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Abstract
The utility model provides a kind of cooling device for 3D printing equipment printhead, and printhead includes extrusion screw rod machine barrel and the heater being arranged on extrusion screw rod machine barrel, and cooling device includes：The coldplate set around heater, coldplate is internally provided with the cooling water channel that Cooling Water is flowed through.The purpose of this utility model is to provide a kind of printhead cooling stability height, cooling noise the small cooling device for 3D printing equipment printhead.
Description
Technical field
The utility model is related to a kind of FDM printing devices servicing unit, is mainly used in the cooling of 3D printing equipment printhead
Technical field, especially, be related to a kind of cooling device for 3D printing equipment printhead.
Background technology
Existing FDM 3 D-printings are melting extrusion mode, because of the heat that the heating to screw rod and extrusion are produced in itself, are needed
Extrusion mechanism is cooled down, while avoiding heat from being transmitted to equipment drive disk assembly.Existing FDM printing devices typically all use wind
Fan cooling, noise is big, and cools down unstable, influence printing effect.For example, Application No. 201420334367.2, entitled " three
The integral type shunting radiating printhead of dimension printer " is cooled down using radiator fan, fin, guiding gutter to printhead, but
Undeniable is that air-cooled cooling is unstable, and noise is big, and FDM printings have high requirement to the stability of temperature, stability
Difference, easily causes the influence such as shower nozzle blocking, wire drawing, adhesion, influences printed product effect.
Utility model content
For problem present in correlation technique, the purpose of this utility model is to provide a kind of printhead cooling stability
The high, cooling device for 3D printing equipment printhead that cooling noise is small.
The utility model provides a kind of cooling device for 3D printing equipment printhead, and printhead includes extrusion screw rod machine
Cylinder and the heater being arranged on extrusion screw rod machine barrel, cooling device include：In the coldplate set around heater, coldplate
Portion is provided with the cooling water channel that Cooling Water is flowed through.
According to the utility model, cooling device also includes the water connected by the cooling water outlet and inlet of water tube hose and coldplate
Cold, water cooling unit constitutes cooling water circulation loop by water tube hose and cooling water channel.
According to the utility model, coldplate includes left surface coldplate, back side coldplate and right flank coldplate, left surface
Cooling water channel in coldplate, back side coldplate and right flank coldplate is sequentially connected in series.
According to the utility model, the cooling water inlet connection water cooling unit of left surface coldplate, the cooling of left surface coldplate
Water out connects the cooling water inlet of back side coldplate, and the coolant outlet of back side coldplate connects the cooling of right flank coldplate
Water inlet, the coolant outlet connection water cooling unit of right flank coldplate.
According to the utility model, cooling water channel is included in a plurality of point of water in parallel between cooling water inlet and coolant outlet
Road.
According to the utility model, coldplate is fixed on the printhead ram for fixing printing head.
According to the utility model, multiple temperature sensors are provided with heater.
According to the utility model, printhead also include be arranged on the upper end of extrusion screw rod machine barrel and be sequentially connected motor,
Reductor, reductor shaft bearing, and it is arranged on the nozzle of the lower end of extrusion screw rod machine barrel.
Advantageous effects of the present utility model are：
Cooling device of the present utility model for 3D printing equipment printhead sets cooling around the heater of printhead
Plate, coldplate is internally provided with the cooling water channel that Cooling Water is flowed through, and cooling water takes away printhead heating expansion when flowing through coldplate
Scattered waste heat, and then the isolation and cooling that heat is heated to printhead are played, set so as to avoid heat from being transmitted to 3D printing
Standby drive disk assembly, it is ensured that printhead heating-up temperature indiffusion, and ensure printhead ambient temperature within the specific limits, because
And printhead cooling stability is improved, and reduce cooling noise compared to air-cooled.
Brief description of the drawings
Fig. 1 is the structural representation of the cooling device of the present utility model for 3D printing equipment printhead.
Fig. 2 is the connection diagram of coldplate of the present utility model.
Embodiment
Refer to the attached drawing discloses the embodiment shown.It will be appreciated, however, that the disclosed embodiments be only can with various and
The embodiment that alternative form is shown.Accompanying drawing is not necessarily drawn to scale, and it is specific to show to zoom in or out some features
The details of part.Disclosed concrete structure and functional details should not be construed as limitation, but being used as is used to instruct this area
How technical staff puts into practice the representative basis of the disclosure.
Reference picture 1, the utility model provides a kind of cooling device for 3D printing equipment printhead 30, and printhead 30 is wrapped
Extrusion screw rod machine barrel 34 and the heater 35 being arranged on extrusion screw rod machine barrel 34 are included, cooling device includes：Around heater 35
The coldplate 20 of setting, coldplate 20 is internally provided with the cooling water channel 24 that Cooling Water is flowed through.It is of the present utility model to be used for 3D
The cooling device of printing device printhead sets coldplate 20 around the heater 35 of printhead, and coldplate 20 is internally provided with confession
The cooling water channel 24 that cooling water is flowed through, cooling water takes away the waste heat of the heating diffusion of printhead 30 when flowing through coldplate 20, enter
And the isolation and cooling that heat is heated to printhead 30 are played, so that avoid heat from being transmitted to the drive disk assembly of 3D printing equipment,
Ensure the heating-up temperature indiffusion of printhead 30, and ensure the ambient temperature of printhead 30 within the specific limits, thus improve
Printhead 30 cools down stability, and reduces cooling noise compared to air-cooled.
With continued reference to Fig. 1, cooling device also includes what is be connected by water tube hose 41 with the cooling water outlet and inlet of coldplate 20
Water cooling unit 42, water cooling unit 42 constitutes cooling water circulation loop by water tube hose 41 and cooling water channel 24.
Referring to Figures 1 and 2, coldplate 20 includes left surface coldplate 21, back side coldplate 22 and right flank coldplate 23,
Cooling water channel 24 in left surface coldplate 21, back side coldplate 22 and right flank coldplate 23 is sequentially connected in series.Specifically, it is left
The cooling water inlet 21-1 connections water cooling unit 42 of side coldplate 21, the coolant outlet 24-2 connections back of the body of left surface coldplate 21
The cooling water inlet 22-1 of face coldplate 22, the coolant outlet 22-2 connection right flanks coldplate 23 of back side coldplate 22 it is cold
But water inlet 23-1, the coolant outlet 23-2 connections water cooling unit 42 of right flank coldplate 23.
Reference picture 2, cooling water channel 24 is included in a plurality of diversion channel 25 in parallel between cooling water inlet and coolant outlet.
Specifically, total inlet channel 26 and total water outlet 27, total inlet channel 26 are connected to cooling water inlet and coolant outlet
Distributed with the cooling water that total water outlet 27 is parallel with a plurality of diversion channel 25, total inlet channel in a plurality of diversion channel 25, after heat exchange
Collect in total water outlet 27, then flow out coldplate 20 from coolant outlet.
Preferably, coldplate 20 is fixed on the printhead ram (not shown) for fixing printing head 30.Therefore, cool down
Plate 20 can together be moved with printhead 30, so as to improve cooling stability.Cooling device of the present utility model uses water simultaneously
Circulating cooling, simple in construction, dismounting easy to install.
Multiple temperature sensors 36 are provided with reference picture 1, heater 35.So as to the temperature of measurement printhead in real time
Degree, monitors the cooling effect of cooling device, thus chilling temperature can realize parametric control, cooling water circulation temperature control, cooling effect
Fruit is stable, so as to improve printed product quality.
In addition, reference picture 1, printhead 30 also includes the motor for being arranged on the upper end of extrusion screw rod machine barrel 34 and being sequentially connected
31st, reductor 32, reductor shaft bearing 33, and it is arranged on the nozzle 37 of the lower end of extrusion screw rod machine barrel 34, extrusion screw rod machine
Cylinder 34 is additionally provided with storage device 40.
One exemplary course of work of cooling device of the present utility model is as follows：
First, distilled water is added in water cooling unit 42, sets parameter.Start water cooling unit 42, cooling water is entered by flexible pipe 41
Enter left surface coldplate 21.Cooling water into the import of left surface printhead coldplate 21 is cold by the inside of left surface coldplate 21
But water channel, enters the cooling water inlet of back side coldplate by water circulation flexible pipe by the coolant outlet 21-2 of left surface coldplate
22-1, and then by the cooling water channel inside back side coldplate 22, ibid, into right flank coldplate 23, by right side coldplate
Coolant outlet 23-2 import cooling water trunk roads Returning water machine 42 and cooled down, while take away printhead coldplate and its
The waste heat of surrounding printhead heating diffusion, and then play the isolation and cooling that heat is heated to printhead.Go round and begin again,
In printhead heating process, printhead is cooled down always, it is ensured that printhead heating-up temperature indiffusion, and ensure printhead week
Surrounding environment temperature is within the specific limits.From it is described above it is recognised that into extrusion screw rod termination cooling water by extrusion screw rod
The termination internal water channel swash of wave is flowed back after one week by extrusion screw rod termination outlet, and then returns to water cooling by cooling water trunk roads loop
Machine is cooled down, while taking away extrusion screw rod termination heat, and then extrusion screw rod termination is cooled down, and prevents printhead from heating heat
Conducted by extrusion screw rod termination to drive disk assemblies such as reductors.This 3D printing equipment printhead cooling device structure is very simple,
It is easy to operate, and convenient disassembly, it is easy to safeguard.
In cooling device of the present utility model, cooled plate is simple in construction, it is easy to installs and dismantles.Used water circulation is cold
But, simple in construction using existing industrial water cooling unit, dismounting easy to install, cost is low, and chilling temperature can realize parameter by water cooling unit
Change control, cooling effect is stable；So as to which the quality of printed product greatly improved.
Preferred embodiment of the present utility model is these are only, the utility model is not limited to, for this area
Technical staff for, the utility model can have various modifications and variations.It is all it is of the present utility model spirit and principle within,
Any modification, equivalent substitution and improvements made etc., should be included within protection domain of the present utility model.
Claims (8)
1. a kind of cooling device for 3D printing equipment printhead, the printhead includes extrusion screw rod machine barrel and is arranged on institute
State the heater on extrusion screw rod machine barrel, it is characterised in that the cooling device includes：The cooling set around the heater
Plate, the coldplate is internally provided with the cooling water channel that Cooling Water is flowed through.
2. cooling device according to claim 1, it is characterised in that the cooling device also includes passing through water tube hose and institute
The water cooling unit of the cooling water outlet and inlet connection of coldplate is stated, the water cooling unit is made up of the water tube hose and the cooling water channel
Cooling water circulation loop.
3. cooling device according to claim 2, it is characterised in that the coldplate includes left surface coldplate, the back side
Institute in coldplate and right flank coldplate, the left surface coldplate, the back side coldplate and the right flank coldplate
Cooling water channel is stated to be sequentially connected in series.
4. cooling device according to claim 3, it is characterised in that the cooling water inlet connection of the left surface coldplate
The water cooling unit, the coolant outlet of the left surface coldplate connects the cooling water inlet of the back side coldplate, the back of the body
The coolant outlet of face coldplate connects the cooling water inlet of the right flank coldplate, the cooling water of the right flank coldplate
The outlet connection water cooling unit.
5. cooling device according to claim 1, it is characterised in that the cooling water channel be included in cooling water inlet with it is cold
But a plurality of diversion channel in parallel between water out.
6. cooling device according to claim 1, it is characterised in that the coldplate is fixed on for fixing the printing
On the printhead ram of head.
7. cooling device according to claim 1, it is characterised in that multiple TEMPs are provided with the heater
Device.
8. cooling device according to claim 1, it is characterised in that the printhead also includes being arranged on the extrusion spiral shell
The upper end of bar machine barrel and be sequentially connected motor, reductor, reductor shaft bearing, and be arranged on the extrusion screw rod machine barrel
The nozzle of lower end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621153318.4U CN206493590U (en) | 2016-10-31 | 2016-10-31 | Cooling device for 3D printing equipment printhead |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621153318.4U CN206493590U (en) | 2016-10-31 | 2016-10-31 | Cooling device for 3D printing equipment printhead |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206493590U true CN206493590U (en) | 2017-09-15 |
Family
ID=59799992
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621153318.4U Active CN206493590U (en) | 2016-10-31 | 2016-10-31 | Cooling device for 3D printing equipment printhead |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206493590U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106626352A (en) * | 2016-10-31 | 2017-05-10 | 宁夏共享模具有限公司 | Cooling device for printing head of 3D printing apparatus |
-
2016
- 2016-10-31 CN CN201621153318.4U patent/CN206493590U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106626352A (en) * | 2016-10-31 | 2017-05-10 | 宁夏共享模具有限公司 | Cooling device for printing head of 3D printing apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 750021 the Ningxia Hui Autonomous Region Yinchuan economic and Technological Development Zone ningshuo South Street No. 298 Patentee after: Shared Intelligent Equipment Co., Ltd. Address before: 750021 the Ningxia Hui Autonomous Region Yinchuan economic and Technological Development Zone ningshuo South Street No. 298 Patentee before: Ningxia Kocel Pattern Co., Ltd. |
|
| CP01 | Change in the name or title of a patent holder |