CN208437809U - A kind of resistance spot welding control cabinet with tally function - Google Patents
A kind of resistance spot welding control cabinet with tally function Download PDFInfo
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- CN208437809U CN208437809U CN201820976032.9U CN201820976032U CN208437809U CN 208437809 U CN208437809 U CN 208437809U CN 201820976032 U CN201820976032 U CN 201820976032U CN 208437809 U CN208437809 U CN 208437809U
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Abstract
The utility model discloses a kind of resistance spot welding control cabinet with tally function, including power supply, welding gun control circuit, count control circuit and welding control panel；Communication port and TB terminal board are provided on welding control panel；It welds control panel and resistance spot welding control data is accessed by communication port, the actual current for the welding gun control circuit that current detector detects is received simultaneously, welding gun current controling signal is generated according to the actual current that resistance spot welding controls data and welding gun control circuit, and current controling signal is sent to current controller；Welding control panel is connect by TB terminal board with relay, PLC and counter；Count control circuit includes control transformer, DC power supply, relay, PLC and counter；Relay and PLC carry out logic calculation according to the actual current that resistance spot welding controls data Butt welding gun control circuit and obtain solder joint signal.This case can be used in recording corresponding welding points, it is ensured that each workpiece does not omit solder joint, it is ensured that quality.
Description
Technical field
The utility model relates to a kind of resistance spot welding control cabinet with tally function.
Background technique
Resistance spot welding is to apply and keep certain pressure to welded piece by spot-wedling electrode, and workpiece is steadily contacted,
Then source of welding current output electric current is made to generate heat by welded piece and their contact surface, increase temperature, fusing contact
Point part is to form solder joint.Based on this principle, resistance spot welding control cabinet is needed for different materials, different-thickness, difference
The welded piece of structure, by the welding current of the points of the automatic control soldering process that programs and each solder joint, the time and
Pressure, to realize the control of welding quality, to greatly improve production efficiency.
Resistance spot welding control cabinet is widely used in the large-scale production manufacturing such as automobile, agricultural machinery, household electrical appliances；Existing market
On the most important function of resistance spot welding control cabinet be that step increases function, this is used to be mainly used for compensation because of electricity caused by wear to electrodes
Current density decline can prompt reconditioning or replacement electrode cap after the completion of step counts up.
As electric resistance welding equipment is in the extensive use of automobile industry, client is more and more extensive to the functional requirement of product；Greatly
Amount client it is expected that resistance spot welding control cabinet can have welding tally function, records corresponding welding points, it is ensured that each workpiece
Do not omit solder joint, it is ensured that quality.
Utility model content
Goal of the invention: in order to overcome the deficiencies in the prior art, the utility model provides a kind of with tally function
Resistance spot welding control cabinet, for recording corresponding welding points, it is ensured that each workpiece does not omit solder joint, it is ensured that quality.
Technical solution: to achieve the above object, the technical solution adopted in the utility model are as follows:
A kind of resistance spot welding control cabinet with tally function, including power supply, welding gun control circuit, count control circuit and weldering
Connect control panel；
The electric current of the plant-grid connection is divided into two-way by power input terminal, is supplied to welding gun control circuit all the way, separately
It is supplied to count control circuit all the way；
Communication port and TB terminal board are provided on the welding control panel；It welds control panel and point of resistance is accessed by communication port
Weldering control data, while the actual current for the welding gun control circuit that current detector detects is received, it is controlled according to resistance spot welding
The actual current of data and welding gun control circuit generates welding gun current controling signal, and current controling signal is sent to electric current control
Device processed；Welding control panel is connect by TB terminal board with relay, PLC and counter；
The welding gun control circuit includes current controller, current detector, power output terminal, welding transformer and weldering
Rifle；Current controller inputs the electric current of welding gun control circuit, the control of current detector Butt welding gun according to welding gun current controling signal
The actual current of circuit is detected, and be will test result and be sent to welding control panel, and the electric current of welding gun control circuit passes through electricity
Source output terminal is supplied to welding transformer, provides voltage to welding gun by welding transformer；
The count control circuit includes control transformer, DC power supply, relay, PLC and counter；Control transformer
The electric current for inputting count control circuit is divided into two-way, is supplied directly to welding control panel all the way, another way becomes DC power supply
It is supplied to relay, PLC and relay, relay and PLC control the reality of data Butt welding gun control circuit according to resistance spot welding
Electric current carries out logic calculation and obtains solder joint signal, is counted by counter butt welding point signal.
The present apparatus increases tally function, can be used for recording corresponding welding points, it is ensured that each workpiece is not omitted
Solder joint, it is ensured that quality.Meanwhile the device can be realized various counting function and reset function, be met vast by setting
The operational requirements of client.
Preferably, the welding gun control circuit is 1 or more.It can work at the same time or work independently, improve service efficiency；
The monitoring to more welding guns is realized by set of system simultaneously, also can be effectively reduced cost.
Preferably, the welding control panel is connected with touching display screen.
The utility model has the advantages that the resistance spot welding control cabinet provided by the utility model with tally function, compared with the existing technology, tool
There is following advantage: 1, increasing function, can be used for recording solder joint number, enriches the function of product；2, curstomer's site can be facilitated to use,
Whether there is solder skip convenient for confirmation workpiece, improves production quality；3, man-machine interface, operation interface is simple, has various tally functions；
4, at low cost, it is small in size.
Detailed description of the invention
Fig. 1 is the structural schematic block diagram based on the utility model.
Specific embodiment
The utility model is further described with reference to the accompanying drawing.
A kind of resistance spot welding control cabinet with tally function, including power supply, welding gun control circuit, count control circuit and weldering
Connect control panel.
The electric current of the plant-grid connection is divided into two-way by power input terminal, is supplied to welding gun control circuit all the way, separately
It is supplied to count control circuit all the way.
Communication port and TB terminal board are provided on the welding control panel；It welds control panel and point of resistance is accessed by communication port
Weldering control data, while the actual current for the welding gun control circuit that current detector detects is received, it is controlled according to resistance spot welding
The actual current of data and welding gun control circuit generates welding gun current controling signal, and current controling signal is sent to electric current control
Device processed；Welding control panel is connect by TB terminal board with relay, PLC and counter.
The welding gun control circuit includes current controller, current detector, power output terminal, welding transformer and weldering
Rifle；Current controller inputs the electric current of welding gun control circuit, the control of current detector Butt welding gun according to welding gun current controling signal
The actual current of circuit is detected, and be will test result and be sent to welding control panel, and the electric current of welding gun control circuit passes through electricity
Source output terminal is supplied to welding transformer, provides voltage to welding gun by welding transformer.
The count control circuit includes control transformer, DC power supply, relay, PLC and counter；Control transformer
The electric current for inputting count control circuit is divided into two-way, is supplied directly to welding control panel all the way, another way becomes DC power supply
It is supplied to relay, PLC and relay, relay and PLC control the reality of data Butt welding gun control circuit according to resistance spot welding
Electric current carries out logic calculation and obtains solder joint signal, is counted by counter butt welding point signal.
This case major design point is as follows.
1, the TB terminal board for welding control panel is connected with multiple relays, a PLC and multiple counters；Weld control panel
TB terminal board, relay and PLC carry out logic calculation jointly, coherent signal is supplied to counter and is counted.
2, resistance spot weld welding machine generates heat by the resistance of weldment welding section using electric current, while applying to weld
The device of pressure realization electric resistance welding.Principle is using Joule's law: the Q=AIIRT (heat generated between Q- motor；A- coefficient；I-
Welding current；The all-in resistance of workpiece between R- electrode；T- welding current period, i.e. weld interval).
3, when welding, control cabinet issues a lesser constant current by current controller first, for detecting wlding
Resistance value.Then the welding control panel electric current that input requirements are realized before is calculated, and is analyzed, processing.Pass through current control
Device control exports corresponding electric current, and further through current detector, constantly feedback current fluctuates situation.Control panel is welded according to electric current
The case where feedback, adjusts the current value of output in each cycle or millisecond, to achieve the effect that current constant control.
4, tally function: the I/O mouth (TB terminal board) of control mainboard, relay, PLC carry out logic control and believe correlation
Number it is supplied to counter.The count value of current welding is shown by counter.Following tally function mainly can be achieved:
1. 2 the counting respectively of welding gun solder joint.
2. the preservation of count value and data after power down.
3. the free switching of 2 kinds of modes.Production model and debugging mode.Under production model, solder joint number can record, it is ensured that every
A workpiece does not omit solder joint.Under debugging mode, relevant test, the work such as repair welding can be carried out.
4. the switching to automatically reset with hand-reset.After the completion of count value, it can choose and manually or automatically reset.Automatically
Reset: after reaching count value, corresponding acousto-optic indicator light is prompted, and the time of prompt can be set, and is set when reaching
It after time, automatically resets, counts again.The efficiency of curstomer's site production can be improved.
The above is only the preferred embodiment of the utility model, it should be pointed out that: for the common skill of the art
For art personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these improve and
Retouching also should be regarded as the protection scope of the utility model.
Claims (3)
1. a kind of resistance spot welding control cabinet with tally function, it is characterised in that: including power supply, welding gun control circuit, count control
Circuit processed and welding control panel；
The electric current of the plant-grid connection is divided into two-way by power input terminal, is supplied to welding gun control circuit, another way all the way
It is supplied to count control circuit；
Communication port and TB terminal board are provided on the welding control panel；It welds control panel and resistance spot welding control is accessed by communication port
Data processed, while the actual current for the welding gun control circuit that current detector detects is received, data are controlled according to resistance spot welding
Welding gun current controling signal is generated with the actual current of welding gun control circuit, and current controling signal is sent to current control
Device；Welding control panel is connect by TB terminal board with relay, PLC and counter；
The welding gun control circuit includes current controller, current detector, power output terminal, welding transformer and welding gun；
Current controller inputs the electric current of welding gun control circuit, current detector Butt welding gun control circuit according to welding gun current controling signal
Actual current detected, and will test result and be sent to welding control panel, the electric current of welding gun control circuit is defeated by power supply
Terminal is supplied to welding transformer out, provides voltage to welding gun by welding transformer；
The count control circuit includes control transformer, DC power supply, relay, PLC and counter；Controlling transformer will be defeated
The electric current for entering count control circuit is divided into two-way, is supplied directly to welding control panel all the way, and another way becomes DC power supply offer
To relay, PLC and relay, relay and PLC control the actual current of data Butt welding gun control circuit according to resistance spot welding
It carries out logic calculation and obtains solder joint signal, counted by counter butt welding point signal.
2. the resistance spot welding control cabinet according to claim 1 with tally function, it is characterised in that: the welding gun control electricity
Road is 1 or more.
3. the resistance spot welding control cabinet according to claim 1 with tally function, it is characterised in that: the welding control panel
It is connected with touching display screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820976032.9U CN208437809U (en) | 2018-06-25 | 2018-06-25 | A kind of resistance spot welding control cabinet with tally function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820976032.9U CN208437809U (en) | 2018-06-25 | 2018-06-25 | A kind of resistance spot welding control cabinet with tally function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208437809U true CN208437809U (en) | 2019-01-29 |
Family
ID=65090884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820976032.9U Active CN208437809U (en) | 2018-06-25 | 2018-06-25 | A kind of resistance spot welding control cabinet with tally function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208437809U (en) |
-
2018
- 2018-06-25 CN CN201820976032.9U patent/CN208437809U/en active Active
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