CN209614528U - A kind of welding wire detection device - Google Patents
A kind of welding wire detection device Download PDFInfo
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- CN209614528U CN209614528U CN201920011601.0U CN201920011601U CN209614528U CN 209614528 U CN209614528 U CN 209614528U CN 201920011601 U CN201920011601 U CN 201920011601U CN 209614528 U CN209614528 U CN 209614528U
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Abstract
The utility model relates to a kind of welding wire detection devices, including the close switch of annular, isolation circuit, switching circuit and warning circuit, the annular is connect close to switch with the input terminal of isolation circuit, the output end of the isolation circuit is connect with robot controller, the annular is also connect with the input terminal of switching circuit close to switch, and the output end of the switching circuit is connect with warning circuit.This welding wire detection device can be measured in real time welding wire, when annular detects welding wire without output close to switch, pass through robot controller closing machine human body, and alarm signal is issued by warning circuit, reduce the workload that operative employee replaces ignition tip or polishing welding seams, time and cost have been saved, labor productivity is improved.
Description
Technical field
The utility model relates to the technical field of robot welding, especially a kind of welding wire detection device.
Background technique
Currently, China automobile, high-speed rail, motorcycle, machinery, chemical industry, thermoelectricity, Medical Devices, furniture, household electrical appliance and
In components welding production, most enterprises use robot welding, and capital equipment is controlled by robot body, robot
The groups such as device, welding tooling station and fixture, the source of welding current, robot wire-feed motor, fume purifier, clear rifle station and robotic gun
At welding wire is generally all wrapped on wire reel, the welding wire tray salver being then fitted on the wire feeding disc fixed frame of robot base
It is interior, welding wire from wire reel be transported to robotic gun ignition tip through wire leading pipe and the transmission of the wire feed rolls of wire-feed motor from heat and be melted to
In molten bath.
In actual welding application, due to wire reel be closed a container and work station apart from operative employee also compared with
Far, and an operative employee may keep an eye on multiple robot welding workstations, due in the safe fence station of robot work
Machinery be easy to damage the person, be usually not allow in the safe fence station of machine man-hour in operative employee enters
Work is maked an inspection tour, operative employee does not see the surplus of welding wire in wire reel, and the welding wire in wire reel can constantly reduce until using
Complete, if robot wire-feed motor does not have welding wire to be transmitted at resistance welding gun electric conducting nozzle, and the source of welding current is still in output energy pilot arc
Combustion phases, will cause electric arc and flashes back and ignition tip or generate welding defect in weld seam, and at this moment operative employee just needs replacing conduction
Mouth or polishing welding seams increase certain workload and welding cost, also will increase the ratio of rejected product, influence the outer of product
It sees.
Utility model content
For overcome the deficiencies in the prior art, the purpose of the utility model is to provide a kind of welding wire detection devices, in welding wire
Timely closing machine human body when without output, and carry out warning note.
The technical scheme adopted by the utility model to solve the technical problem is as follows:
A kind of welding wire detection device, including the close switch of annular, isolation circuit, switching circuit and warning circuit, the ring
Close to switch for detecting whether there is welding wire to pass through, the annular is connect close to switch with the input terminal of isolation circuit shape, described
The output end of isolation circuit is connect with robot controller, and the annular is also connect with the input terminal of switching circuit close to switch,
The output end of the switching circuit is connect with warning circuit.
It further, further include current-limiting resistance R1, one end of the current-limiting resistance R1 and annular are connected close to switch, the limit
The other end of leakage resistance R1 is connect with the input terminal of the input terminal of isolation circuit and switching circuit respectively.
Further, the isolation circuit includes optocoupler U1, and optocoupler U1 includes light emitting diode and phototriode, shines two
The anode of pole pipe is connect through a resistance R2 with the other end of current-limiting resistance R1, the minus earth of light emitting diode, phototriode
Emitter connect with the end robot controller DO, the collector of phototriode is through a resistance R3 and the end robot controller DI
Connection.
Further, the switching circuit includes triode Q1, and the warning circuit includes buzzer LS, the base of triode Q1
One resistance R6 of pole is connect with the other end of current-limiting resistance R1, and the emitter of triode Q1 is connect with the anode of buzzer LS, bee
The cathode ground connection of ring device LS, the collector of triode Q1 are connect through resistance R4 with 24V DC power supply.
It further, further include pressure limiting resistance R5, one end of the pressure limiting resistance R5 is connect with the base stage of triode Q1, described
The other end of pressure limiting resistance R5 is grounded.
Further, the annular includes switch control circuit, PNP type triode Q2, diode D1, diode close to switch
D2 and resistance R7, the base stage of triode Q2 are connect with switch control circuit, and switch control circuit is also connect with 24V DC power supply,
Switch control circuit is also connect with the anode of diode D2, the minus earth of diode D2, and the emitter and 24V of triode Q2 is straight
The connection of galvanic electricity source, the emitter of triode Q2 are also connect with the cathode of diode D1, and the anode of diode D1 is with triode Q2's
Collector connection, the collector of triode Q2 connect through resistance R7 with the anode of diode D2, the collector of triode Q2 also with
Output end connection of the annular close to switch.
Further, the annular includes switch control circuit, NPN type triode Q3, diode D3, diode close to switch
D4 and resistance R8, the base stage of triode Q3 are connect with switch control circuit, and switch control circuit also connects with the cathode of diode D4
It connecing, the anode of diode D4 is connect with 24V DC power supply, and switch control circuit is also grounded, the emitter ground connection of triode Q3, and three
The emitter of pole pipe Q3 is also connect with the anode of diode D3, and the cathode of diode D3 is connect with the collector of triode Q3, and three
The collector of pole pipe Q3 is connect through resistance R8 with the cathode of diode D4, and the collector of triode Q3 also approaches switch with annular
Output end connection.
The beneficial effects of the utility model are: this welding wire detection device can be measured in real time welding wire, connect in annular
When nearly switch detects welding wire without output, alarm signal is issued by warning circuit, reminds operative employee to stop welding, and will test
Signal is transferred directly to robot controller, by robot controller closing machine human body, ensure that the person of operative employee
Safety reduces the workload that operative employee replaces ignition tip or polishing welding seams, has saved time and cost, improves labour production effect
Rate.
Detailed description of the invention
Specific embodiment of the present utility model is further described with reference to the accompanying drawing:
Fig. 1 is the circuit diagram of the utility model preferred embodiment；
Fig. 2 is circuit diagram of the annular close to the first embodiment switched；
Fig. 3 is circuit diagram of the annular close to second of the embodiment switched.
Specific embodiment
In order to make those skilled in the art better understand the scheme of the utility model, practical to this below in conjunction with attached drawing
Technical solution in new embodiment is clearly and completely described, it is clear that described embodiment is only the utility model
The embodiment of a part, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
The model of the utility model protection all should belong in the every other embodiment obtained without creative efforts
It encloses.
Referring to Fig.1, a kind of welding wire detection device of the present embodiment, including annular are electric close to switch 1, isolation circuit 2, switch
Road 3 and warning circuit 4, the annular are connect close to switch 1 with the input terminal of isolation circuit 2, the output end of the isolation circuit 2
It is connect with robot controller, the annular is also connect with the input terminal of switching circuit 3 close to switch 1, the switching circuit 3
Output end is connect with warning circuit 4.
A kind of welding wire detection device of the present embodiment, further includes current-limiting resistance R1, one end of the current-limiting resistance R1 and ring
For shape close to the connection of switch 1, the other end of the current-limiting resistance R1 is defeated with the input terminal of isolation circuit 2 and switching circuit 3 respectively
Enter end connection.
The isolation circuit 2 includes optocoupler U1, and optocoupler U1 includes light emitting diode and phototriode, light emitting diode
Anode is connect through a resistance R2 with the other end of current-limiting resistance R1, the minus earth of light emitting diode, the transmitting of phototriode
Pole is connect with the end robot controller DO, and the collector of phototriode is connect through a resistance R3 with the end robot controller DI.
Optocoupler U1 realizes electrical-optical-electrical conversion, and input end signal is coupled to output end using light as medium, has strong antijamming capability,
It insulate between output and input, unidirectional transmission property.
The switching circuit 3 includes triode Q1, and the warning circuit 4 includes buzzer LS, and the base stage of triode Q1 passes through
One resistance R6 is connect with the other end of current-limiting resistance R1, and the emitter of triode Q1 is connect with the anode of buzzer LS, buzzer
The cathode of LS is grounded, and the collector of triode Q1 is connect through resistance R4 with 24V DC power supply.
A kind of welding wire detection device of the present embodiment further includes pressure limiting resistance R5, one end and three of the pressure limiting resistance R5
The base stage of pole pipe Q1 connects, the other end ground connection of the pressure limiting resistance R5.
Annular is close to switch 1 using model SD-B10E1 and the close switch of similar annular.
The specific work process of the present embodiment is as follows:
The detection hole that welding wire passes through annular close to switch 1 is arranged, annular close to switch 1 when there is welding wire to pass through detection hole
Signal output end export low level, triode Q1 and photoelectrical coupler U1 attonity；When there is no welding wire to pass through detection hole, ring
The signal output end of shape close to switch 1 exports high level, and triode Q1 and photoelectrical coupler U1 are worked at the same time, and triode Q1 is led
Logical, buzzer LS provides audible alarm, and signal is transferred to robot controller by optocoupler U1, and robot receives robot control
It stops working at once after the signal of device, ensure that the personal safety of operative employee, reduce operative employee and replace ignition tip or polishing welding seams
Workload.
Referring to Fig. 2, the annular includes switch control circuit, PNP type triode Q2, diode D1, two poles close to switch 1
Pipe D2 and resistance R7, the base stage of triode Q2 are connect with switch control circuit, and switch control circuit also connects with 24V DC power supply
Connect, switch control circuit is also connect with the anode of diode D2, the minus earth of diode D2, the emitter of triode Q2 with
The connection of 24V DC power supply, the emitter of triode Q2 are also connect with the cathode of diode D1, the anode and triode of diode D1
The collector of Q2 connects, and the collector of triode Q2 is connect through resistance R7 with the anode of diode D2, the collector of triode Q2
Also it is connect with the output end of annular close to switch 1.When there is welding wire to pass through detection hole, switch control circuit exports high level, ring
The signal output end OUT of shape close to switch 1 exports low level, when there is no welding wire to pass through detection hole, switch control circuit output
The signal output end OUT of low level, annular close to switch 1 exports high level.
Referring to Fig. 3, the annular includes switch control circuit, NPN type triode Q3, diode D3, two poles close to switch 1
Pipe D4 and resistance R8, the base stage of triode Q3 are connect with switch control circuit, cathode of the switch control circuit also with diode D4
Connection, the anode of diode D4 are connect with 24V DC power supply, and switch control circuit is also grounded, the emitter ground connection of triode Q3,
The emitter of triode Q3 is also connect with the anode of diode D3, and the cathode of diode D3 is connect with the collector of triode Q3,
The collector of triode Q3 is connect through resistance R8 with the cathode of diode D4, and the collector of triode Q3 is also with annular close to switch
1 output end connection.When there is welding wire to pass through detection hole, switch control circuit exports high level, signal of the annular close to switch 1
Output end OUT exports low level, and when not having welding wire to pass through detection hole, switch control circuit exports low level, and annular is close to be opened
The signal output end OUT for closing 1 exports high level.
In conclusion above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；Although ginseng
The utility model is described in detail according to previous embodiment, those skilled in the art should understand that；It is still
It can modify the technical solutions described in the foregoing embodiments, or equally be replaced to being wherein no lack of technical characteristic
It changes, and these are modified or replaceed, the utility model embodiment technical solution that it does not separate the essence of the corresponding technical solution
Spirit and scope.
Claims (7)
1. a kind of welding wire detection device, it is characterised in that: including close switch (1), isolation circuit (2), switching circuit (3) of annular
With warning circuit (4), the annular is connect close to switch (1) with the input terminal of isolation circuit (2), the isolation circuit (2)
Output end is connect with robot controller, and the annular is also connect with the input terminal of switching circuit (3) close to switch (1), described
The output end of switching circuit (3) is connect with warning circuit (4).
2. welding wire detection device according to claim 1, it is characterised in that: it further include current-limiting resistance R1, the current limliting electricity
The one end for hindering R1 is connect with annular close to switch (1), the input with isolation circuit (2) respectively of the other end of the current-limiting resistance R1
End is connected with the input terminal of switching circuit (3).
3. welding wire detection device according to claim 2, it is characterised in that: the isolation circuit (2) includes optocoupler U1, light
Coupling U1 includes light emitting diode and phototriode, and the anode of light emitting diode is through the other end of a resistance R2 and current-limiting resistance R1
Connection, the emitter of the minus earth of light emitting diode, phototriode are connect with the end robot controller DO, phototriode
Collector connect through a resistance R3 with the end robot controller DI.
4. welding wire detection device according to claim 2, it is characterised in that: the switching circuit (3) includes triode Q1,
The warning circuit (4) includes buzzer LS, and the base stage of triode Q1 is connect through a resistance R6 with the other end of current-limiting resistance R1,
The emitter of triode Q1 is connect with the anode of buzzer LS, and the cathode ground connection of buzzer LS, the collector of triode Q1 is through electricity
Resistance R4 is connect with 24V DC power supply.
5. welding wire detection device according to claim 4, it is characterised in that: it further include pressure limiting resistance R5, the pressure limiting electricity
One end of resistance R5 is connect with the base stage of triode Q1, the other end ground connection of the pressure limiting resistance R5.
6. welding wire detection device according to claim 1, it is characterised in that: the annular includes switching close to switch (1)
Control loop, PNP type triode Q2, diode D1, diode D2 and resistance R7, the base stage and switch control circuit of triode Q2
Connection, switch control circuit are also connect with 24V DC power supply, and switch control circuit is also connect with the anode of diode D2, two poles
The emitter of the minus earth of pipe D2, triode Q2 is connect with 24V DC power supply, the emitter of triode Q2 also with diode D1
Cathode connection, the anode of diode D1 connect with the collector of triode Q2, and the collector of triode Q2 is through resistance R7 and two
The anode of pole pipe D2 connects, and the collector of triode Q2 is also connect with the output end of annular close to switch (1).
7. welding wire detection device according to claim 1, it is characterised in that: the annular includes switching close to switch (1)
Control loop, NPN type triode Q3, diode D3, diode D4 and resistance R8, the base stage and switch control circuit of triode Q3
Connection, switch control circuit are also connect with the cathode of diode D4, and the anode of diode D4 is connect with 24V DC power supply, switch
Control loop is also grounded, and the emitter ground connection of triode Q3, the emitter of triode Q3 is also connect with the anode of diode D3, and two
The cathode of pole pipe D3 is connect with the collector of triode Q3, and the collector of triode Q3 connects through the cathode of resistance R8 and diode D4
It connects, the collector of triode Q3 is also connect with the output end of annular close to switch (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920011601.0U CN209614528U (en) | 2019-01-04 | 2019-01-04 | A kind of welding wire detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920011601.0U CN209614528U (en) | 2019-01-04 | 2019-01-04 | A kind of welding wire detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209614528U true CN209614528U (en) | 2019-11-12 |
Family
ID=68448786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920011601.0U Active CN209614528U (en) | 2019-01-04 | 2019-01-04 | A kind of welding wire detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209614528U (en) |
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2019
- 2019-01-04 CN CN201920011601.0U patent/CN209614528U/en active Active
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