CN206779657U - The control system of the more source of welding current synchronization starting the arc - Google Patents
The control system of the more source of welding current synchronization starting the arc Download PDFInfo
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- CN206779657U CN206779657U CN201720499742.2U CN201720499742U CN206779657U CN 206779657 U CN206779657 U CN 206779657U CN 201720499742 U CN201720499742 U CN 201720499742U CN 206779657 U CN206779657 U CN 206779657U
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Abstract
The control system of the more sources of welding current synchronization starting the arc provided by the utility model, module is controlled in the source of welding current and PLC including multiple welding guns, signal input control line each is respectively equipped between control module in the signal input part and PLC of the source of welding current of welding gun, the contactless relay for each welding gun synchronization starting the arc for connecting the starting the arc command signal synchronous driving that control module is sent in PLC to each source of welding current and all sources of welding current of control is respectively equipped with each signal input control line；Each source of welding current and being controlled in PLC is additionally provided with the signal output feedback line for feeding back in PLC the corresponding welding gun starting the arc pass signal of each source of welding current and controlling module between module；Due to replacing existing general auxiliary reclay using contactless relay, whole make and break process does not have the situation of mechanical movement and loose contact, the effective signal for ensuring that control module is sent to each source of welding current in PLC is synchronous, ensure that source of welding current synchronization Igniting pattern is interference-free, effectively avoid the occurrence of solder skip.
Description
【Technical field】
The equipment that the utility model is related to assisted automated production, more particularly to a kind of more sources of welding current synchronization starting the arc
Control system.
【Background technology】
At present, welding arc striking circuit typically has following three kinds：The first is by the contact resistance arcing starting the arc, is for second
By the separate excitation transformer starting the arc, the third is by the atmospherical discharges air gap starting the arc.Using the first starting the arc method, work as contact resistance
, it is necessary to which starting the arc operation is repeated when excessive, this method is adapted to weld process in hand, is not suitable for automatic welding：Using
Second of starting the arc method, the manufacturing cost of product is higher, is not easy to the large-scale popularization of product：It is using the third starting the arc method
Use more method at present, implement it is fairly simple, but the triggered time and trigger energy to the starting the arc be required for manually
Adjustment, it is difficult to ensure that welding circuit is operated in optimum state.
Therefore, welded arc power be in welding process provide and control energy key equipment, its performance it is fine or not right
Reliability, welding quality and the production efficiency of welding all play vital effect.More welding are configured in an equipment
Power supply, it is more that a plurality of weld seam is respectively welded in welding gun, it is the method for significantly improving production efficiency；Traditional system integration method, no
It can guarantee that more source of welding current synchronization starting the arc successes；Can not the starting the arc in time, cause weld seam front end solder skip；All the time non-starting the arc success
, whole piece weld seam solder skip.
【Utility model content】
The utility model is directed to the problem of existing more sources of welding current synchronization starting the arc success rate is not high, there is provided a kind of more welderings
Connect power supply and use the low current synchronization starting the arc, send that signal is synchronous, strong antijamming capability, it is easily operated, cost is low, production efficiency
Height, effectively avoid the control system of the more source of welding current synchronization starting the arc of solder skip.
In order to realize above-mentioned purpose of utility model, the technical solution adopted in the utility model is：
The control system of the more source of welding current synchronization starting the arc, including module is controlled in the source of welding current and PLC of multiple welding guns, often
Controlled in the signal input part and PLC of the source of welding current of individual welding gun and be respectively equipped with and the starting the arc that sends of module will be controlled in PLC between module
Instruction is respectively transmitted the signal input control line to each source of welding current, is respectively equipped with each signal input control line by PLC
The starting the arc command signal synchronous driving that middle control module is sent is to each source of welding current and controls each of all sources of welding current connections
The contactless relay of the welding gun synchronization starting the arc；It is additionally provided with each source of welding current and PLC between control module by each source of welding current
Corresponding welding gun starting the arc pass signal feeds back in PLC the signal output feedback line for controlling module；Module is controlled in the PLC to have sent
Arc instructs, after contactless relay Synchronization Control, the more sources of welding current with the respective corresponding welding gun of the back ground current synchronization starting the arc,
Controlled in PLC module receive whole welding guns corresponding to after the starting the arc pass signal that feeds back respectively of the source of welding current, send welding instruction
To the heavy current of each welding gun supply welding, welding gun corresponding to each source of welding current starts walking welding.
Preferably, the signal input control line and signal output feedback line use Shielded Twisted Pair.
Preferably, the outside of the signal input control line and signal output feedback line wrap up respectively be provided be easy to
The high-current conductor isolation of each welding gun supply welding and the metal line box with electro-magnetic screen function.
Preferably, the heavy current return wire of the welding gun supply welding, which uses, avoids and the signal input control line
Or the figure of eight cabling that the Igniting pattern signal of signal output feedback line interferes with each other, and each welding gun supply welding is strong
Current loop wire connects independent drop bar.
The beneficial effects of the utility model are：
The utility model replaces existing general auxiliary reclay using contactless relay, and whole make and break process does not have machine
Tool moves and the situation of loose contact, effectively ensures that the signal that control module is sent to each source of welding current in PLC is synchronous
's.
Meanwhile the outside of signal input control line and signal output feedback line has the parcel of electro-magnetic screen function respectively
Metal line box, reach and isolate with the high-current conductor of each welding gun supply welding, it is ensured that source of welding current synchronization Igniting pattern is not
It is disturbed.
In addition, the starting the arc weak current of each welding gun is provided separately with welding heavy current, using the less back ground current starting the arc,
After each source of welding current feeds back starting the arc pass signal, then walked welding with larger electric current, while have that to send signal same
Step, strong antijamming capability, whole system is realized it is possible to prevente effectively from the occurrence of solder skip.
【Brief description of the drawings】
Fig. 1 is fundamental diagram of the present utility model.
Specific embodiment of the present utility model is described in more detail below in conjunction with accompanying drawing.
【Embodiment】
The control system of the more source of welding current synchronization starting the arc, including module 2 is controlled in the source of welding current 1 and PLC of multiple welding guns,
Being respectively equipped with the signal input part and PLC of the source of welding current 1 of each welding gun between control module 2 will control what module 2 was sent in PLC
Starting the arc instruction is respectively transmitted the signal input control line 3 to each source of welding current 1, is set respectively on each signal input control line 3
The starting the arc command signal synchronous driving that sends of module 2 will be controlled to each source of welding current 1 and all sources of welding current 1 of control by having in PLC
The contactless relay 4 of each welding gun synchronization starting the arc of connection；Controlled in each source of welding current 1 and PLC be additionally provided between module 2 by
Welding gun starting the arc pass signal corresponding to each source of welding current 1 feeds back in PLC the signal output feedback line 5 for controlling module 2；Wherein,
Signal input control line 3 and signal output feedback line 5 use Shielded Twisted Pair, in each signal input control line 3 and each
What the outside of signal output feedback line 5 was wrapped up respectively isolates provided with the high-current conductor for being easy to supply welding with each welding gun
And the metal line box (not shown) with electro-magnetic screen function.
In addition, the heavy current return wire use of each welding gun supply welding of the system avoids and each signal inputs
The figure of eight cabling that the Igniting pattern signal of control line 3 and each signal output feedback line 5 interferes with each other, and each welding gun supplies
Heavy current return wire to welding connects independent drop bar.
Module 2 is controlled during work, in PLC and sends starting the arc instruction, after the Synchronization Control of contactless relay 4, more welding electricity
Source 1 is with the respective corresponding welding gun of the back ground current synchronization starting the arc, and control module 2 receives the source of welding current 1 corresponding to whole welding guns in PLC
After the starting the arc pass signal fed back respectively, heavy current of the welding instruction to the supply welding of each welding gun, each welding electricity are sent
Welding gun corresponding to source 1 starts walking welding.
Due to replacing existing general auxiliary reclay using contactless relay, whole make and break process does not have mechanical movement
With the situation of loose contact, effectively ensure that the signal that control module is sent to each source of welding current in PLC is synchronous；Together
When, the outside of signal input control line and signal output feedback line has the coated metal line box of electro-magnetic screen function respectively,
Reach and isolate with the high-current conductor of each welding gun supply welding, it is ensured that source of welding current synchronization Igniting pattern is interference-free；And
The starting the arc weak current of each welding gun is provided separately with welding heavy current, using the less back ground current starting the arc, each welding electricity
After starting the arc pass signal is fed back in source, then walked and welded with larger electric current, realize whole system it is possible to prevente effectively from solder skip feelings
The generation of condition.
It is preferred embodiment of the present utility model that embodiment described above, which is, not limits reality of the present utility model with this
Scope is applied, all equivalence changes made according to the shape of the utility model, construction and principle, guarantor of the present utility model all should be covered by
In the range of shield.
Claims (4)
- The control system of more than the 1. source of welding current synchronization starting the arc, including module is controlled in the source of welding current and PLC of multiple welding guns, it is special Sign is：Module will be controlled by being respectively equipped with the signal input part and PLC of the source of welding current of each welding gun between control module in PLC send Starting the arc instruction be respectively transmitted signal input control line to each source of welding current, be respectively equipped with each signal input control line The starting the arc command signal synchronous driving that control module is sent in PLC to each source of welding current and is controlled into all sources of welding current connections The contactless relay of each welding gun synchronization starting the arc；Each source of welding current and being controlled in PLC is additionally provided between module the corresponding welding gun starting the arc pass signal of each source of welding current is anti- It is fed to the signal output feedback line that module is controlled in PLC；Module is controlled in the PLC and sends starting the arc instruction, after contactless relay Synchronization Control, the more sources of welding current are with arc maintenance electricity Flow the synchronous starting the arc each corresponding welding gun, in PLC control module receive whole welding guns corresponding to rising of feeding back respectively of the source of welding current After arc pass signal, heavy current of the welding instruction to the supply welding of each welding gun, welding gun corresponding to each source of welding current are sent Start walking welding.
- 2. the control system of the more sources of welding current synchronization starting the arc according to claim 1, it is characterised in that the signal is defeated Enter control line and signal output feedback line and use Shielded Twisted Pair.
- 3. the control system of the more sources of welding current synchronization starting the arc according to claim 1 or 2, it is characterised in that the letter What the outside of number input control line and signal output feedback line was wrapped up respectively, which be provided with, is easy to and the supply welding of each welding gun High-current conductor is isolated and the metal line box with electro-magnetic screen function.
- 4. the control system of the more sources of welding current synchronization starting the arc according to claim 1, it is characterised in that the welding gun supplies Heavy current return wire to welding is using the starting the arc avoided with the signal input control line or signal output feedback line The figure of eight cabling that journey signal interferes with each other, and the heavy current return wire of each welding gun supply welding connects independent connect Ground rod.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2016212903827 | 2016-11-28 | ||
| CN201621290382 | 2016-11-28 |
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| Publication Number | Publication Date |
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| CN206779657U true CN206779657U (en) | 2017-12-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720499742.2U Active CN206779657U (en) | 2016-11-28 | 2017-05-07 | The control system of the more source of welding current synchronization starting the arc |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110294171A (en) * | 2019-08-07 | 2019-10-01 | 深圳市血之缘医疗科技有限公司 | Multimachine cascades heat seal system |
-
2017
- 2017-05-07 CN CN201720499742.2U patent/CN206779657U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110294171A (en) * | 2019-08-07 | 2019-10-01 | 深圳市血之缘医疗科技有限公司 | Multimachine cascades heat seal system |
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