CN206953614U - A kind of 3D printer wire rod hot-melting connection device - Google Patents
A kind of 3D printer wire rod hot-melting connection device Download PDFInfo
- Publication number
- CN206953614U CN206953614U CN201720712262.XU CN201720712262U CN206953614U CN 206953614 U CN206953614 U CN 206953614U CN 201720712262 U CN201720712262 U CN 201720712262U CN 206953614 U CN206953614 U CN 206953614U
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- CN
- China
- Prior art keywords
- wire
- hot
- line sending
- wire rod
- printer
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of 3D printer wire rod hot-melting connection device, and it includes hot-melt adhesive paste device, line sending pipe, adjustable first wire agency of line sending speed and the second wire agency；The hot-melt adhesive paste device includes the adding thermal resistance set in it and hot melt chamber；The end of incoming cables of the hot melt chamber is connected by line sending pipe with the leading-out terminal of the second wire agency, and the leading-out terminal for heating chamber is connected by line sending pipe with the end of incoming cables of the first wire agency.The 3D printer wire rod hot-melt adhesive paste device, the connection of wire rod can be completed in print procedure, improve printing effect, improve the utilization rate of material, avoid the waste of material.
Description
Technical field
It the utility model is related to 3D printing equipment technical field, and in particular to a kind of 3D printer wire rod hot-melt adhesive paste dress
Put.
Background technology
3D printing technique is a kind of rapid prototyping ＆ manufacturing technology fast-developing in recent years.Make in 3D printing technique field
Deformation In The Fdm Process, i.e. FDM modes are known as with most commonly used, thermal plastic high polymer wire rod is mainly transported to height by it
Warm printhead, wire rod is melted and continuously extrusion melts macromolecule, and is being built under being accurately positioned by way of successively accumulating
Tricuspid body.The wire rod used at present on FDM 3D printers is mainly by ABS, PLA, PC etc..These wire rods are generally sold with rolling up
Sell, often volume is a kind of single color.And the FDM 3D printers sold in the market also can not be in print procedure
The technology of wire rod is changed, if complete or because external force factor causes wire rod to fracture in print procedure center line timber-used, now then can only
Restart to print after wire rod is changed, if printing one larger model, can not accurate judgement material requested quantity, easily
The phenomenon of material deficiency in print procedure is appeared in, the time-write interval is wasted with thread-changing material.And with thread-changing material after, wire rod may be caused
Occur remaining, but residual wire can not meet to print required amount next time again, can only just abandon at present should not, cause printing material
The waste of material.
The content of the invention
The purpose of this utility model is：For above-mentioned problem, there is provided a kind of 3D printer wire rod hot-melt adhesive paste
Device, the connection of wire rod can be completed in print procedure, improve printing effect, improve the utilization rate of material, avoid the wave of material
Take.
The technical solution adopted in the utility model is as follows：
A kind of 3D printer wire rod hot-melting connection device, it includes hot-melt adhesive paste device, line sending pipe, line sending speed adjustable the
One wire agency and the second wire agency；The hot-melt adhesive paste device includes the adding thermal resistance set in it and hot melt chamber；The heat
The end of incoming cables of molten chamber is connected by line sending pipe with the leading-out terminal of the second wire agency, and the leading-out terminal for heating chamber passes through line sending Guan Yu
The end of incoming cables of one wire agency is connected.
Due to said structure, when 3D printer needs to change wire rod or broken wires, it can not shut down, not influence to print
On the premise of complete wire rod connection.
Wire rod passes through the second wire agency, the hot melt chamber entered by wire-feeding pipe in hot-melt adhesive paste device, then passes through wire-feeding pipe
Through the first wire agency, 3D printer shower nozzle is finally entered.
During normal print, the first wire agency and the second wire agency synchronous working, conveyed using identical line sending speed
Wire rod.When wire rod generation fracture or wire rod, which are finished, needs to change wire rod, the first wire agency line sending speed reduces, the second line sending
Mechanism line sending speed increase, makes the end of wire rod on the wire agency of forward ends thereof first of the wire rod on the second wire agency, makes
Two sections of wire rods produce normal pressure in breaking part.When wire rod enters hot melt intracavitary, adding thermal resistance works, and wire rod is added in hot melt intracavitary
Heat fusion, and connection is completed under positive pressure, after wire rod is through hot melt chamber, temperature cooling, part cooled and solidified is merged,
Complete connection.Adding thermal resistance is stopped.Then the line sending speed of two wire agencies recovers consistent.
Further, the first wire agency includes the first Wire Wheel, the first line sending bearing, and the second wire agency includes second
Wire Wheel, the second line sending bearing；Wherein the first Wire Wheel, the second Wire Wheel are respectively by the first motor, the second motor
Driving；First Wire Wheel and the first line sending bearing fit, the second Wire Wheel and the second line sending bearing fit, drive wire rod point
The gap between gap and the second Wire Wheel and the second wire feed bearing not between the first Wire Wheel and the first line sending bearing passes through.
Further, it is provided with double wedge on first Wire Wheel and the second Wire Wheel.
Due to said structure, line sending sets double wedge on road, avoids skidding in wire rod course of conveying, improves printer work
Stability.
Further, first motor and the second motor are stepper motor.
Further, it is additionally provided with temperature feedback arrangement in the hot-melt adhesive paste device.
Due to the presence of temperature feedback arrangement, the working condition of adding thermal resistance can be controlled accurately, be reached needed for work
Temperature.
Further, the distance of adding thermal resistance geometric center to temperature feedback arrangement geometric center is equal to adding thermal resistance geometry
Distance of the center to hot melt cavity axis.
Due to said structure, the distance and the distance phase of hot melt chamber to adding thermal resistance of temperature feedback arrangement to adding thermal resistance
When, then it is also identical that they receive the problem of adding thermal resistance.Therefore adding thermal resistance geometric center is to temperature feedback arrangement geometry
Distance of the distance at center equal to adding thermal resistance geometric center to hot melt cavity axis, therefore the temperature that temperature feedback arrangement detects
The temperature that hot melt chamber is received can more accurately be reacted.So that the temperature control of adding thermal resistance is more accurate.
Further, the end of incoming cables of the hot melt chamber and leading-out terminal are respectively arranged with snap joint, and the hot melt chamber passes through
Snap joint is connected with line sending pipe.
Further, the line sending pipe is made up of polytetrafluoroethylene (PTFE).
In summary, by adopting the above-described technical solution, the beneficial effects of the utility model are：
3D printer wire rod hot-melting connection device of the present utility model, being finished in wire rod generation fracture or wire rod needs to change
During wire rod, without shutting down, under printer working condition, the connection of wire rod is completed and with changing.Improve printing effect, improve material
Utilization rate, avoid the waste of material.
Brief description of the drawings
Fig. 1 is material hot-melt adhesive paste device connection diagram；
Fig. 2 is the sectional view of material hot-melt adhesive paste device.
Embodiment
Below in conjunction with the accompanying drawings, the utility model is described in detail.
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only explaining
The utility model, it is not used to limit the utility model.
This reality is new to disclose a kind of 3D printer wire rod hot-melting connection device, it include hot-melt adhesive paste device 4, line sending pipe,
Adjustable first wire agency of line sending speed and the second wire agency；The hot-melt adhesive paste device 4 includes the heating electricity set in it
Resistance 5 and hot melt chamber 11；The end of incoming cables of the hot melt chamber 11 is connected by line sending pipe with the leading-out terminal of the second wire agency, heats chamber
11 leading-out terminal is connected by line sending pipe with the end of incoming cables of the first wire agency.
Wherein the first wire agency includes the first Wire Wheel 2, the first line sending bearing 3, and the second wire agency is sent including second
Line wheel 9, the second line sending bearing 8；First Wire Wheel 2, the second Wire Wheel 9 are driven by the first motor 1, the second motor respectively
Dynamic 10；First Wire Wheel 2 coordinates with the first line sending bearing 3, and the second Wire Wheel 9 coordinates with the second line sending bearing 8, band moving-wire
The material gap between the gap between the first Wire Wheel 2 and the first line sending bearing 3 and the second Wire Wheel 9 and the second wire feed bearing respectively
Pass through.The motor of first motor 1 and second is stepper motor.Temperature is additionally provided with the hot-melt adhesive paste device 4
Spend feedback device 6.The distance of the geometric center of adding thermal resistance 5 to the geometric center of temperature feedback arrangement 6 is equal in the geometry of adding thermal resistance 5
Distance of the heart to the hot melt axis of chamber 11.
Gap of the wire rod through the second wire feed rolls and the second wire feed bearing, hot melt chamber 11 is entered by wire-feeding pipe, again
By gap of the wire-feeding pipe through the first line sending bearing 3 and the first wire feed rolls, 3D printer shower nozzle is finally entered.
When 3D printer normal work, the first stepper motor and the second stepper motor synchronous axial system, wire rod is sent into and beaten
Print machine shower nozzle.When wire rod occur fracture or need wire rod be finished need change wire rod when, the first stepper motor rotating speed reduce, second
The increase of stepper motor rotating speed, makes the end of wire rod on the wire agency of forward ends thereof first of the wire rod on the second wire agency, makes
Two sections of wire rods produce normal pressure in breaking part.When wire rod enters in hot melt chamber 11, adding thermal resistance 5 is started working, to hot-melt adhesive paste
Device 4 carries out overall heating, and temperature feedback arrangement 6 receives the bulk temperature of hot-melt adhesive paste device 4, signal is fed back into controller, made
Controller accurately controls the operating temperature of adding thermal resistance 5, is easy to heat the wire rod in chamber 11 and melts.Heat chamber 11 and receive heating electricity
The temperature of resistance 5, heat fusion is carried out to the wire rod in it, and connection is completed under positive pressure, when wire rod passes through hot melt chamber
After 11, temperature cooling, part cooled and solidified is merged, completes connection.Adding thermal resistance 5 is stopped.Then two wire agencies are sent
Linear velocity recovers consistent.
The distance of the geometric center of adding thermal resistance 5 to the geometric center of temperature feedback arrangement 6 is equal to heating electricity in the utility model
5 geometric centers are hindered to the distance of the hot melt axis of chamber 11, therefore the temperature that temperature feedback arrangement 6 detects can more accurately react
The temperature that hot melt chamber 11 is received.So that the temperature control of adding thermal resistance 5 is more accurate.
3D printer often has two kinds of 1.75mm and 3mm with wire rod at present, and it heats the minimum diameter of chamber 11 and is not less than respectively
1.75mm or 3mm, and heat that the internal diameter of chamber 11 is more accurate closer to gauge or diameter of wire, positive pressure, and connection effect is better.Consider
Resistance when wire rod moves, hot melt chamber 11 internal diameter should be slightly larger than gauge or diameter of wire used, for 1.75mm wire rods, heat the internal diameter of chamber 11
2mm can be used, for 3mm wire rods, the hot melt internal diameter of chamber 11 can use 3.2mm.And the specification of temperature feedback arrangement 6 can also basis
Wire specification is matched.
In the utility model, double wedge is additionally provided with the first Wire Wheel 2 and the second Wire Wheel 9.It can so avoid online
Skidded in material course of conveying, improve the stability of printer work.The end of incoming cables and leading-out terminal for heating chamber 11 are respectively arranged with soon
Quick coupling 12, the hot melt chamber 11 are connected by snap joint 12 with line sending pipe.Snap joint 12 can be without using other
Line sending pipe can be connected to hot melt chamber 11 both ends in the case of instrument.
Line sending pipe requires its inner wall smooth and corrosion-resistant, therefore in the present embodiment, line sending pipe is made of polytetrafluoroethylene (PTFE).
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (8)
- A kind of 1. 3D printer wire rod hot-melting connection device, it is characterised in that：It includes hot-melt adhesive paste device（4）, line sending pipe（7）、 Adjustable first wire agency of line sending speed and the second wire agency；The hot-melt adhesive paste device（4）Including the heating set in it Resistance（5）With hot melt chamber（11）；The hot melt chamber（11）The end of incoming cables leading-out terminal phase that passes through line sending pipe and the second wire agency Even, chamber is heated（11）Leading-out terminal be connected by line sending pipe with the end of incoming cables of the first wire agency.
- 2. 3D printer wire rod hot-melting connection device according to claim 1, it is characterised in that：First wire agency includes First Wire Wheel（2）, the first line sending bearing（3）, the second wire agency includes the second Wire Wheel（9）, the second line sending bearing（8）； Wherein the first Wire Wheel（2）, the second Wire Wheel（9）Respectively by the first motor（1）, the second motor driving（10）；Institute State the first Wire Wheel（2）With the first line sending bearing（3）Coordinate, the second Wire Wheel（9）With the second line sending bearing（8）Coordinate, drive Wire rod is respectively from the first Wire Wheel（2）With the first line sending bearing（3）Between gap and the second Wire Wheel（9）With the second wire feed bearing Between gap pass through.
- 3. 3D printer wire rod hot-melting connection device according to claim 2, it is characterised in that：First Wire Wheel （2）With the second Wire Wheel（9）On be provided with double wedge.
- 4. 3D printer wire rod hot-melting connection device according to claim 3, it is characterised in that：First motor （1）It is stepper motor with the second motor.
- 5. 3D printer wire rod hot-melting connection device according to claim 4, it is characterised in that：The hot-melt adhesive paste device （4）Inside it is additionally provided with temperature feedback arrangement（6）.
- 6. 3D printer wire rod hot-melting connection device according to claim 5, it is characterised in that：Adding thermal resistance（5）Geometry Center is to temperature feedback arrangement（6）The distance of geometric center is equal to adding thermal resistance（5）Geometric center to hot melt chamber（11）Axis Distance.
- 7. 3D printer wire rod hot-melting connection device according to claim 6, it is characterised in that：The hot melt chamber（11）'s End of incoming cables and leading-out terminal are respectively arranged with snap joint（12）, the hot melt chamber（11）Pass through snap joint（12）With line sending pipe phase Even.
- 8. 3D printer wire rod hot-melting connection device according to claim 7, it is characterised in that：The line sending Guan Youju tetra- PVF is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720712262.XU CN206953614U (en) | 2017-06-19 | 2017-06-19 | A kind of 3D printer wire rod hot-melting connection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720712262.XU CN206953614U (en) | 2017-06-19 | 2017-06-19 | A kind of 3D printer wire rod hot-melting connection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206953614U true CN206953614U (en) | 2018-02-02 |
Family
ID=61384739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720712262.XU Expired - Fee Related CN206953614U (en) | 2017-06-19 | 2017-06-19 | A kind of 3D printer wire rod hot-melting connection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206953614U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110241506A (en) * | 2018-03-08 | 2019-09-17 | 嘉兴金科达纺织染整有限公司 | A kind of processing technology of cloth |
-
2017
- 2017-06-19 CN CN201720712262.XU patent/CN206953614U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110241506A (en) * | 2018-03-08 | 2019-09-17 | 嘉兴金科达纺织染整有限公司 | A kind of processing technology of cloth |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180202 Termination date: 20210619 |