CN207309180U - Safety spot welding - Google Patents
Safety spot welding Download PDFInfo
- Publication number
- CN207309180U CN207309180U CN201720878433.6U CN201720878433U CN207309180U CN 207309180 U CN207309180 U CN 207309180U CN 201720878433 U CN201720878433 U CN 201720878433U CN 207309180 U CN207309180 U CN 207309180U
- Authority
- CN
- China
- Prior art keywords
- time relay
- electromagnetic switch
- transformer
- spot welding
- positive terminal
- 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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- Arc Welding Control (AREA)
Abstract
It the utility model is related to technical field of welding equipment, especially a kind of safety spot welding, including 220V power supplys, electromagnetic switch, transformer, the time relay and plumb joint, plumb joint includes positive terminal and anode connector, 220V power supplys rear end is sequentially connected electromagnetic switch and transformer, the out-secondary connecting welding head of transformer, and the time relay is parallel with the power cord of electromagnetic switch front end, time relay rear end connects the coil of electromagnetic switch, and foot-operated switch is connected on the time relay.Present apparatus design is simple, and of low cost, positive terminal uses design for disassembly, securely and reliably, and is convenient for changing, using effect is good.
Description
Technical field
Technical field of welding equipment is the utility model is related to, especially a kind of safety spot welding.
Background technology
Mash welder system uses the principle of double-sided double-point over-current welding, and two electrodes pressurization workpiece make double layer of metal exist during work
Form certain contact resistance under the pressure of two electrodes, and welding current from an electrode flow through another electrode when in two contact resistances
Point forms the thermal welding of moment, and welding current moment flow to this electrode forming circuit from another electrode along two workpiece, and not
The internal structure of welded piece can be injured.
Existing mash welder is with high costs, and joint area can not separate, and exposed connector can sometimes make operating personnel
Into danger.
Utility model content
In order to overcome the shortcomings of existing mash welder, the utility model provides a kind of safety spot welding.
Technical solution is used by the utility model solves its technical problem：A kind of safety spot welding, including 220V electricity
Source, electromagnetic switch, transformer, the time relay and plumb joint, plumb joint include positive terminal and anode connector, after 220V power supplys
End is sequentially connected electromagnetic switch and transformer, the out-secondary connecting welding head of transformer, the power cord of electromagnetic switch front end
On be parallel with the time relay, time relay rear end connects the coil of electromagnetic switch, and foot-operated switch is connected on the time relay.
Another embodiment according to the present utility model, further comprises that positive terminal includes base and connector, base table
Face uses insulating materials, and chassis interior is equipped with wire chamber, and wire chamber is equipped with internal thread, and connector bottom is equipped with external screw thread, external screw thread
Cooperate and connect with the internal thread of wire chamber.
Another embodiment according to the present utility model, further comprises that the top of positive terminal and anode connector all uses
Designed arc-shaped appearance.
Another embodiment according to the present utility model, it is fish mouth folder to further comprise anode connector.
The beneficial effects of the utility model are that present apparatus design is simple, of low cost, and positive terminal is used and detachably set
Meter, securely and reliably, and is convenient for changing, using effect is good.
Brief description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is the circuit diagram of the utility model；
Fig. 2 is the structure diagram of positive terminal.
1. positive terminal in figure, 2. anode connectors, 3. bases, 4. connectors, 5. wire chambers.
Embodiment
If Fig. 1,2 are the structure diagrams of the utility model, a kind of safety spot welding, including 220V power supplys, electromagnetic switch
K1, transformer T, time relay KT and plumb joint, plumb joint include positive terminal 1 and anode connector 2,220V power supplys rear end according to
The out-secondary connecting welding head of secondary connection electromagnetic switch K1 and transformer T, transformer T, the power supply of electromagnetic switch K1 front ends
Time relay KT is parallel with line, time relay KT rear ends connect the coil of electromagnetic switch K1, connect on time relay KT
Foot-operated switch K2 is met, positive terminal 1 includes base 3 and connector 4, and 3 surface of base uses insulating materials, and base 3 is internally provided with gold
Belong to chamber 5, wire chamber 5 is equipped with internal thread, and 4 bottom of connector is equipped with external screw thread, and the internal thread mutual cooperation of external screw thread and wire chamber 5 connects
Connect, the top of positive terminal 1 and anode connector 2 all uses designed arc-shaped appearance, and the anode connector 2 is fish mouth folder.
Time relay KT connects 220V voltages with electromagnetic switch K1.When foot-operated switch K2 is motionless, complete machine is cut off the power, no
Work.When foot-operated switch K2 is closed, the coil of electromagnetic switch K1 is powered, and electromagnetic switch K1 is and then closed, and transformer T is powered, and obtains
To operating voltage, while time relay KT starts timing.When the timing point that arrival is specified, the relay of time relay KT moves
Make, normally opened contact is changed into normally closed, and outer contact relay is started to work, and normally-closed contact is changed into normally opened contact, the confession of disconnecting transformer T
Electricity, welds discharge process and terminates at this time.
Transformer T exports the design of 3V, the timing of time relay KT is electrodeless adjustable, volume using input 220V
It is compact, the time from 0 ~ 5 minute 3 grades it is adjustable.
It is described above to be merely exemplary for the utility model, and nonrestrictive, those of ordinary skill in the art
Understand, in the case where not departing from the spirit and scope that appended claims are limited, many modifications can be made, change or wait
Effect, but fall within the scope of protection of the utility model.
Claims (4)
1. a kind of safety spot welding, it is characterized in that, including 220V power supplys, electromagnetic switch（K1）, transformer（T）, the time relay
（KT）And plumb joint, plumb joint include positive terminal（1）And anode connector（2）, 220V power supplys rear end is sequentially connected electromagnetic switch
（K1）And transformer（T）, transformer（T）Out-secondary connecting welding head, electromagnetic switch（K1）On the power cord of front end simultaneously
It is associated with the time relay（KT）, the time relay（KT）Rear end connects electromagnetic switch（K1）Coil, the time relay（KT）On
Connect foot-operated switch（K2）.
2. safety spot welding according to claim 1, it is characterized in that, the positive terminal（1）Including base（3）And connector
（4）, base（3）Surface uses insulating materials, base（3）It is internally provided with wire chamber（5）, wire chamber（5）Equipped with internal thread, connector
（4）Bottom is equipped with external screw thread, external screw thread and wire chamber（5）Internal thread cooperate connection.
3. safety spot welding according to claim 1, it is characterized in that, the positive terminal（1）And anode connector（2）Top
End all uses designed arc-shaped appearance.
4. safety spot welding according to claim 1, it is characterized in that, the anode connector（2）For fish mouth folder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720878433.6U CN207309180U (en) | 2017-07-19 | 2017-07-19 | Safety spot welding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720878433.6U CN207309180U (en) | 2017-07-19 | 2017-07-19 | Safety spot welding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207309180U true CN207309180U (en) | 2018-05-04 |
Family
ID=62434534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720878433.6U Expired - Fee Related CN207309180U (en) | 2017-07-19 | 2017-07-19 | Safety spot welding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207309180U (en) |
-
2017
- 2017-07-19 CN CN201720878433.6U patent/CN207309180U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20180504 Termination date: 20180719 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |