CN206085663U - Lack material putty detection circuitry based on FDM3D printer - Google Patents
Lack material putty detection circuitry based on FDM3D printer Download PDFInfo
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- CN206085663U CN206085663U CN201620821030.3U CN201620821030U CN206085663U CN 206085663 U CN206085663 U CN 206085663U CN 201620821030 U CN201620821030 U CN 201620821030U CN 206085663 U CN206085663 U CN 206085663U
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- material putty
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Abstract
The utility model discloses a lack material putty detection circuitry based on FDM3D printer, including lacking material putty detection device, lack material putty detection device and include step motor, photoelectric encoder, material pipe, wire rod and shower nozzle, still include unusual detection circuitry and single motor, unusual detection circuitry includes a 74LS123 monostable chip and a AND circuit, the AND circuit includes diode D1, diode D2 and resistance R3, 74LS123's the 2nd pin electricity connection photoelectric encoder's IO port, and step motor is connected to the 10th pin electricity, and diode D1's negative electrode, the electric negative electrode of connecting diode D2 of the 5th pin are connected to the 4th pin electricity, the singlechip is still connected through the wire to diode D1's positive electrode. The utility model discloses a be provided with unusual detection circuitry, realized that detection printing wire material carries and whether existed unusually, and can detect step motor and whether take place stifled the commentaries on classics or other unusual functions, can reduce the occupancy of singlechip, improve the work efficiency of singlechip.
Description
Technical field
The utility model belongs to 3D printer technical field, and in particular to one kind lacks material putty inspection based on FDM3D printer
Slowdown monitoring circuit.
Background technology
3D printer, also known as three-dimensional printer (3DP), is a kind of machine of a kind of accumulation manufacturing technology, i.e. RP technique
Device, it is based on a kind of mathematical model file, with special wax material, powdery metal or plastics etc. can jointing material, pass through
Print jointing material from level to level to manufacture the object of three-dimensional.At this stage three-dimensional printer is used to manufacture product.Successively print
Mode carry out the technology of constructed object.The principle of 3D printer is that data and raw material are put in 3D printer, and machine can be according to
Program is from level to level created product.
Due to using 3D printing wire rod based on the 3D printer of FDM technology, it will usually beating for three kinds of situations occur
The exception of India and China's wire rod conveying：(1) the inside may cause to block shower nozzle in print procedure containing impurity；(2) wire rod consumptive material is used up；
(3) wire rod itself knotting cannot feeding；These three situations can cause printer head to lack material putty.3D printer is due to cannot
Perceive the exception of feeding, after there is above-mentioned three kinds of situations, may proceed to print, now shower nozzle without material ejection cause sky to beat phenomenon and not
Can holding state be entered to wait operating personnel's solve problem.The consequence for so causing is to be printing into sky to beat the stage, originally
The part of normal print cannot normal print, cause discarded and waste, continue to consume electric energy and time, cause equipment loss, when
Between waste；Device damage may be caused.
China Patent No. CN204054668 discloses a kind of 3D printer feeding detection device, and it includes fixed seat, friction
Wheel, follow-up pulley, compression wheel support, fixed mount, elastic component and photoelectric encoder, its detection means also includes single-chip microcomputer, photoelectricity
The electrical signal of encoder is connected with the electric signal input end of single-chip microcomputer.This 3D printer feeding detection device, has
Can detect and print the whether abnormal function of wire rod conveying, but, because photoelectric encoder is directly connected with single-chip microcomputer, monolithic
Machine needs the signal of the constantly signal of detection photoelectric encoder and stepper motor, can take the working memory of single-chip microcomputer, significantly
Ground reduces the operating efficiency of single-chip microcomputer.
Utility model content
The purpose of this utility model is, for the deficiencies in the prior art, now to provide a kind of based on the scarce material of FDM3D printer
Putty detects circuit, so that when solving 3D printer shower nozzle and lacking material putty, printer can enter sky and beat the problem in stage；Meanwhile, section
The working memory of single-chip microcomputer is saved, operating efficiency is improved.
To solve above-mentioned technical problem, the technical solution adopted in the utility model is：One kind lacks material based on FDM3D printer
Putty detects circuit, including scarce material putty detection means, and its innovative point is：The scarce material putty detection means includes stepping electricity
Machine, photoelectric encoder, expects pipe, wire rod and shower nozzle；The photoelectric encoder is provided with I/O ports；Also include abnormal detection circuit
With single motor；The abnormal detection circuit includes a 74LS123 both monostables and and gate circuit；It is described to include two with gate circuit
Pole pipe D1, diode D2 and resistance R3, the positive electrode of the diode D1 electrically connects the positive electrode of diode D2, and electrically connects electricity
One end of resistance R3, the other end connection+5V dc sources of resistance R3；The 2nd pin electrical connection photoelectric encoder of the 74LS123
I/O ports, the 10th pin electrical connection stepper motor, the 4th pin electrically connect diode D1 negative electrode, the 5th pin electrical connection
The negative electrode of diode D2, the 1st pin and the 9th pin are grounded；The positive electrode of the diode D1 is also single by wire connection
Piece machine.
Further, the 14th pin of the 74LS123 both monostables electrically connects one end of capacitor C1, capacitor C1
The other end electrical connection 74LS123 the 15th pin and resistance R1, resistance R1 the other end connection supply voltage VCC.
Further, the resistance value of the R1 is 200K Ω.
Further, the 6th pin of the 74LS123 both monostables electrically connects one end of capacitor C2, capacitor C2
The other end electrical connection 74LS123 the 7th pin and resistance R2, resistance R2 the other end connection supply voltage VCC.
Further, the resistance value of the R2 is 200K Ω.
Further, the resistance value of the R3 is 3K Ω.
The beneficial effects of the utility model are as follows：The utility model is provided by abnormal detection circuit, realizes and passes through
Whether this abnormal detection circuit detection printer head occurs lacking material putty phenomenon, prints wire rod conveying with the presence or absence of abnormal, energy
Whether enough direct detection stepper motors there are stall or other abnormal functions, meanwhile, it is capable to reduce the occupancy of single-chip microcomputer, carry
The operating efficiency of high single-chip microcomputer.
Description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is control section theory diagram of the present utility model；
Fig. 3 is abnormal detection circuit schematic diagram in the utility model.
Specific embodiment
Hereinafter embodiment of the present utility model is illustrated by particular specific embodiment, those skilled in the art can be by this
Content disclosed by specification understands easily other advantages of the present utility model and effect.
It is a kind of as shown in Figure 1, Figure 2 and Figure 3 that material putty detection circuit, including the inspection of scarce material putty are lacked based on FDM3D printer
Device is surveyed, lacking material putty detection means includes stepper motor 1, photoelectric encoder 2, expects pipe 3, wire rod 4 and shower nozzle 5；Photoelectric coding
Device 2 is provided with I/O ports；Also include abnormal detection circuit 6 and single motor 7；Abnormal detection circuit 6 includes that a 74LS123 is monostable
State chip and and gate circuit；Include diode D1, diode D2 and resistance R3 with gate circuit, the positive electrode of diode D1 is electrically connected
The positive electrode of diode D2, and one end of electric connection resistance R3, the other end connection+5V dc sources of resistance R3；74LS123's
2nd pin electrically connects the I/O ports of photoelectric encoder 2, the 10th pin electrical connection stepper motor 1, the 4th pin electrical connection diode
The negative electrode of D1, the 5th pin electrically connects the negative electrode of diode D2, and the 1st pin and the 9th pin are grounded；Diode D1 is just
Electrode also electrically connects single-chip microcomputer 7 by wire.
14th pin of 74LS123 both monostables electrically connects one end of capacitor C1, and the other end of capacitor C1 is electrically connected
Meet the 15th pin and resistance R1 of 74LS123, the other end connection supply voltage VCC of resistance R1.
The resistance value of R1 is 200K Ω.
6th pin of 74LS123 both monostables electrically connects one end of capacitor C2, the other end electrical connection of capacitor C2
7th pin of 74LS123 and resistance R2, the other end connection supply voltage VCC of resistance R2.
The resistance value of R2 is 200K Ω.
The resistance value of R3 is 3K Ω.
The utility model is provided by abnormal detection circuit 6, realizes and detects printer by this abnormal detection circuit 6
Whether shower nozzle 5 occurs lacking material putty phenomenon, prints the conveying of wire rod 4 with the presence or absence of abnormal, and can direct detection stepper motor 1 be
No generation stall or other abnormal functions, meanwhile, it is capable to reduce the occupancy of single-chip microcomputer 7, improve the work effect of single-chip microcomputer 7
Rate.
Operation principle：When the shower nozzle 5 of the normal work of stepper motor 1 and 3D printer does not lack material not putty, diode D1
With diode D2 forward conductions, single-chip microcomputer 7 detects abnormal detection circuit 6 and is output as high level signal, and single-chip microcomputer 7 sends pulse
To 3D printer, 3D printer normal work；When stepper motor 1 occurs to lack material or putty in the abnormal conditions such as stall or shower nozzle 5
When, single-chip microcomputer 7 detects abnormal detection circuit 6 and is output as low level signal, and 3D printer enters holding state, with etc. it is to be operated
Personnel's solve problem.
Above-described embodiment is preferred embodiment of the present utility model, is not the limit to technical solutions of the utility model
System, as long as the technical scheme that can be realized on the basis of above-described embodiment without creative work, is regarded as falling into
In the rights protection scope of the utility model patent.
Claims (6)
- It is 1. a kind of that material putty detection circuit, including scarce material putty detection means are lacked based on FDM3D printer, it is characterised in that：Institute State and lack material putty detection means including stepper motor, photoelectric encoder, expects pipe, wire rod and shower nozzle；The photoelectric encoder is arranged There are I/O ports；Also include abnormal detection circuit and single motor；The abnormal detection circuit includes a 74LS123 both monostables And with gate circuit；Described to include diode D1, diode D2 and resistance R3 with gate circuit, the positive electrode of the diode D1 is electrically connected Connect the positive electrode of diode D2, and one end of electric connection resistance R3, the other end connection+5V dc sources of resistance R3；It is described 2nd pin of 74LS123 electrically connects the I/O ports of photoelectric encoder, and the 10th pin electrical connection stepper motor, the 4th pin is electrically connected The negative electrode of diode D1 is connect, the 5th pin electrically connects the negative electrode of diode D2, and the 1st pin and the 9th pin are grounded；It is described The positive electrode of diode D1 also connects single-chip microcomputer by wire.
- 2. according to claim 1 a kind of based on the scarce material putty detection circuit of FDM3D printer, it is characterised in that：It is described 14th pin of 74LS123 both monostables electrically connects one end of capacitor C1, the other end electrical connection 74LS123 of capacitor C1 The 15th pin and resistance R1, resistance R1 the other end connection supply voltage VCC.
- 3. according to claim 2 a kind of based on the scarce material putty detection circuit of FDM3D printer, it is characterised in that：It is described The resistance value of R1 is 200K Ω.
- 4. according to claim 1 a kind of based on the scarce material putty detection circuit of FDM3D printer, it is characterised in that：It is described 6th pin of 74LS123 both monostables electrically connects one end of capacitor C2, the other end electrical connection 74LS123 of capacitor C2 The 7th pin and resistance R2, resistance R2 the other end connection supply voltage VCC.
- 5. according to claim 4 a kind of based on the scarce material putty detection circuit of FDM3D printer, it is characterised in that：It is described The resistance value of R2 is 200K Ω.
- 6. according to claim 1 a kind of based on the scarce material putty detection circuit of FDM3D printer, it is characterised in that：It is described The resistance value of R3 is 3K Ω.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620821030.3U CN206085663U (en) | 2016-08-01 | 2016-08-01 | Lack material putty detection circuitry based on FDM3D printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620821030.3U CN206085663U (en) | 2016-08-01 | 2016-08-01 | Lack material putty detection circuitry based on FDM3D printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206085663U true CN206085663U (en) | 2017-04-12 |
Family
ID=58467651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620821030.3U Withdrawn - After Issue CN206085663U (en) | 2016-08-01 | 2016-08-01 | Lack material putty detection circuitry based on FDM3D printer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206085663U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106079449A (en) * | 2016-08-01 | 2016-11-09 | 江苏时间环三维科技有限公司 | A kind of lacking based on FDM3D printer, expects putty testing circuit |
| CN108044929A (en) * | 2018-02-05 | 2018-05-18 | 华北理工大学 | 3D printer material lack warning device |
-
2016
- 2016-08-01 CN CN201620821030.3U patent/CN206085663U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106079449A (en) * | 2016-08-01 | 2016-11-09 | 江苏时间环三维科技有限公司 | A kind of lacking based on FDM3D printer, expects putty testing circuit |
| CN106079449B (en) * | 2016-08-01 | 2018-07-17 | 江苏时间环三维科技有限公司 | Printer material shortage and blockage detection circuit based on FDM3D |
| CN108044929A (en) * | 2018-02-05 | 2018-05-18 | 华北理工大学 | 3D printer material lack warning device |
| CN108044929B (en) * | 2018-02-05 | 2023-06-30 | 华北理工大学 | 3D printer broken material alarm device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170412 Effective date of abandoning: 20180717 |