CN209902449U - High-temperature alarm welding gun - Google Patents
High-temperature alarm welding gun Download PDFInfo
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- CN209902449U CN209902449U CN201920202707.9U CN201920202707U CN209902449U CN 209902449 U CN209902449 U CN 209902449U CN 201920202707 U CN201920202707 U CN 201920202707U CN 209902449 U CN209902449 U CN 209902449U
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Abstract
The utility model discloses a high-temperature alarm welding gun, which relates to the technical field of welding guns and comprises a handle, a wire feeding pipe, a gooseneck, a power input cable, a control loop and an alarm loop; the alarm loop comprises a high-temperature alarm temperature control switch, a battery and an alarm lamp, wherein one end of the high-temperature alarm temperature control switch is connected with one end of the alarm lamp through a circuit, and the other end of the high-temperature alarm temperature control switch and the other end of the alarm lamp are respectively connected with two poles of the battery through circuits; the high-temperature alarm temperature control switch is tightly attached to the outer surface of the gooseneck; the utility model discloses high temperature warning welder makes welder temperature can not be too high, has prolonged welder's life, has reduced the risk that operating personnel burns, burns.
Description
Technical Field
The utility model relates to a welder technical field specifically is a high temperature warning welder.
Background
Welding guns have always occupied an important position in welding as an important part of the field of welding applications. The existing welding gun only has a universal welding function and does not have the functions of high-temperature alarm and over-temperature protection. The welding gun is a heating body, high temperature can be generated in the using process, the design temperature of the welding gun can be exceeded in the operation process of the existing welding gun, the damage of the welding gun is caused, and even production accidents are caused.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high temperature warning welder to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a high-temperature alarm welding gun comprises a handle, a wire feeding pipe, a gooseneck, a power input cable, a control loop and an alarm loop;
one end of the gooseneck is communicated with one end of the wire feeding pipe through the handle; the other end of the wire feeding pipe is connected with an electric welding machine, the electric welding machine feeds a welding wire into the high-temperature alarm welding gun through the wire feeding pipe, and the welding wire extends out of the other end of the gooseneck;
the power input cable is connected with the electric welding machine and the gooseneck, the electric welding machine supplies power to the gooseneck through the power input cable, when the gooseneck is close to a weldment, current output by the electric welding machine flows back to the electric welding machine through the power input cable, the gooseneck and the weldment, electric arcs are formed between the gooseneck and the weldment, the welding wires and the weldment are heated, and welding is completed;
the control loop comprises a handle switch and a control cable, and two poles of the handle switch are connected with the electric welding machine through the control cable; a relay is arranged in the electric welding machine, and the control loop controls the on-off of the power input cable through the relay;
the alarm loop comprises a high-temperature alarm temperature control switch, a battery and an alarm lamp, and the high-temperature alarm temperature control switch is a normally-open temperature control switch; one end of the high-temperature alarm temperature control switch is connected with one end of the alarm lamp through a circuit, and the other end of the high-temperature alarm temperature control switch and the other end of the alarm lamp are respectively connected with two poles of the battery through circuits;
the high-temperature alarm temperature control switch is tightly attached to the outer surface of one end, close to the handle, of the gooseneck, and the alarm lamp is arranged on the outer surface of the handle.
Further, when the temperature of the high-temperature alarm welding gun exceeds a set safety value, the high-temperature alarm temperature control switch is closed, and the alarm lamp starts to emit light; when the temperature of the high-temperature alarm welding gun is reduced to be lower than the set safety value, the high-temperature alarm temperature control switch is switched off, and the alarm lamp stops emitting light.
Further, the alarm loop further comprises a detection button switch, the detection button switch is a normally open switch, the detection button switch is connected in parallel with the high-temperature alarm temperature control switch, and the detection button switch is also arranged on the outer surface of the handle.
Further, the control loop further comprises a high-temperature turn-off temperature control switch, and the high-temperature turn-off temperature control switch is a normally-closed temperature control switch; the high-temperature turn-off temperature control switch is connected in series with the welding gun handle switch, is tightly attached to the outer surface of the heating pipe and is wrapped in the sheath.
Further, when the temperature of the high-temperature alarm welding gun exceeds a set critical safety value, the high-temperature shutoff temperature control switch is switched off, and the high-temperature alarm welding gun stops working; and when the temperature of the high-temperature alarm welding gun is lower than the critical safety value, the high-temperature alarm temperature control switch is closed, the handle switch is closed at the moment, and the high-temperature alarm welding gun starts to work.
Further, the critical safety value is higher than the set safety value.
Further, the power input cable and the control cable are coaxial cables, and the wire feeding pipe is also a hollow pipe in the coaxial cables.
Compared with the prior art, the beneficial effects of the utility model are that:
1. when the temperature of the high-temperature alarm welding gun of the utility model is too high, the alarm lamp can start to emit light, which plays a role of warning the welder; when the welder overlooks the warning, the temperature of the high-temperature warning welding gun continues to rise, the control loop is automatically turned off, and the welding is forcibly stopped.
2. When the utility model discloses high temperature warning welder's temperature drops to when setting for the safe value, and the alarm lamp stops giving out light, and high temperature warning welder's temperature has dropped below the critical safe value this moment, and closed handle switch can make high temperature warning welder continue work.
3. The utility model discloses high temperature alarm welder is different according to welded technology, can select the temperature detect switch of different first safe temperatures and second safe temperature, makes welding temperature can not be too high, has improved welding quality, has prolonged welder's life simultaneously, has reduced the risk that operating personnel burns, burns.
Drawings
FIG. 1 is a schematic structural view of the high temperature alarm welding gun of the present invention;
FIG. 2 is a schematic diagram of the circuit structure of the heating circuit of the high temperature alarm welding gun of the present invention;
fig. 3 is a schematic circuit structure diagram of the alarm loop of the high-temperature alarm welding gun of the present invention.
In the reference symbols: a handle 1; 2, gooseneck; a wire feeding pipe 3; a power input cable 4; a control cable 51; the high temperature off temperature control switch 52; a handle switch 53; an alarm lamp 61; a high temperature alarm temperature control switch 62; a detection button switch 63; a battery 64.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides a high temperature warning welder, as shown in figure 1, including handle 1, send silk pipe 2, gooseneck 2, power input cable 4, control circuit, warning circuit. One end of the gooseneck 2 is communicated with one end of the wire feeding pipe 3 through the handle 1, and the other end of the wire feeding pipe is connected with the electric welding machine 8. And a wire feeding mechanism is arranged in the electric welding machine 8, the wire feeding mechanism continuously feeds the welding wire into the high-temperature alarm welding gun from the wire feeding pipe 3, and the end part of the welding wire extends out of the other end of the gooseneck 2. The power input cable 4 is connected with the welding machine 8 and the gooseneck 2, and the welding machine 8 supplies current to the gooseneck through the power input cable 4. When the welding gun is close to the weldment, air between the gooseneck 2 and the weldment is broken down to form an electric arc, current flows out of the electric welding machine, flows back to the electric welding machine through the power input cable, the gooseneck 2 and the weldment, and the electric arc heats the weldment and the welding wire to melt the weldment and the welding wire, so that welding is completed.
The control loop includes a control cable 51, a high temperature off temperature controlled switch 52 and a handle switch 53. The high-temperature cut-off temperature control switch 52 is tightly attached to the outer surface of one end, close to the handle 1, of the gooseneck 2, the handle switch 53 is arranged on the outer surface of the handle 1, and the control cable 51 is led out of the handle 1 and connected with the electric welding machine 8. The circuit connection structure of the control circuit is shown in fig. 2, and a power supply module 81 and a relay 82 are arranged in the welding machine 8. One end of the high-temperature turn-off temperature control switch 52 is connected with one end of the handle switch 53 through a circuit, the other ends of the high-temperature turn-off temperature control switch 52 and the handle switch 53 are respectively connected with two control cables 51, one control cable 51 is directly connected with a power supply module 81 in the electric welding machine 8, the other control cable 51 is connected with one end of a control end of a relay 82 in the electric welding machine 8, and the other end of the control end of the relay 82 is connected with the power supply module 81. The power input cable 4 is also connected with a power supply module 81 in the electric welding machine 8, one end of the controlled end of the relay 82 is connected with the power supply module 81, and the other end of the controlled end of the relay is connected with the power input cable 4. The handle switch 53 is a normally open switch, and the handle switch 53 is closed only when the handle switch 53 is pressed. The high temperature off temperature controlled switch 52 is a normally closed type temperature switch, and the high temperature off temperature controlled switch 52 has a set critical safety value. The high-temperature cut-off temperature control switch 52 is closed at normal temperature, when the handle switch 53 is pressed, the electric welding machine 8 outputs small current to the control cable 51, the controlled end of the relay 82 is conducted, the electric welding machine 8 outputs large current to the power input cable 4, and the high-temperature alarm welding gun starts to work; when the temperature gradually rises to a critical safety value, the high-temperature turn-off temperature control switch 52 is switched off, the electric welding machine 8 stops outputting small current to the control power 1, the controlled end of the relay 82 is switched off, the electric welding machine 8 stops outputting large current to the power input cable 4, and the high-temperature alarm welding gun stops working; at this time, if the temperature gradually decreases to be lower than the critical safety value, the high-temperature off temperature control switch 52 is closed again, and the high-temperature alarm welding gun can work again by closing the handle switch 52.
For convenience of illustration, fig. 1 shows two cables, i.e., a power input cable 4 and a control cable 51, in this embodiment, the power input cable 4 and the control cable 51 are a coaxial cable, a central copper wire of the coaxial cable is the control cable 51, and an annular conductive layer of the coaxial cable is the power input cable 4. A hollow pipe is also arranged in the coaxial cable, and the hollow pipe is the wire feeding pipe 3.
The alarm loop comprises an alarm lamp 61, a high-temperature alarm temperature control switch 62, a detection button switch 63 and a battery 64. The alarm lamp 61 and the detection button switch 63 are both arranged on the outer surface of the handle 1, and the high-temperature alarm temperature control switch 62 is tightly attached to the outer surface of the gooseneck 2. The battery 64 can be a high-temperature-resistant button-shaped zinc-mercury battery, the battery 64 is also tightly attached to the outer surface of one end of the gooseneck 2 close to the handle 1, and the high-temperature turn-off temperature control switch 52 and the high-temperature alarm temperature control switch 62 are respectively positioned on two sides of the gooseneck. As shown in FIG. 3, one end of a high-temperature alarm temperature-controlled switch 62 is connected with one end of an alarm lamp 61, the high-temperature alarm temperature-controlled switch 62 is connected with the positive electrode of a battery 64, and the other end of the alarm lamp 61 is connected with the negative electrode of the battery 64. The detection button switch 63 is connected in parallel with the high temperature alarm temperature control switch 62. The high temperature alarm temperature control switch 62 is a normally open type temperature switch, and the high temperature alarm temperature control switch 62 has a set safety value, and the critical safety value is higher than the set safety value. The high temperature alarm temperature control switch 62 is switched off at normal temperature; when the temperature gradually rises to a set safety value, the high-temperature alarm temperature control switch 62 is switched off; at this time, if the temperature gradually decreases to the set safety value, the high temperature alarm temperature control switch 62 is closed again. The critical safety value is higher than the set safety value. The detection button switch 63 is a normally open switch, and the detection button switch 63 is closed only when the detection button switch 63 is pressed.
The utility model discloses high temperature warning welder's application method as follows:
when an operator uses the high-temperature alarm welding gun, the operator holds the handle 1 and presses the detection button switch 63, if the alarm lamp 61 does not emit light, the alarm lamp 61 or the battery 64 has a fault, and the welding gun needs to be used after the alarm loop is maintained in order to ensure that the operator is not scalded, the welding quality is ensured, and the welding gun is protected; if the alarm lamp 61 emits light, the alarm lamp 61 and the battery 64 are proved to be working normally, and the welding gun can be used continuously.
The operator releases the detection button switch 63 and then presses the handle switch 53, and the welding machine 8 begins to supply power to the gooseneck 2 through the power input cable 4, with the end of the gooseneck 2 adjacent the weldment, and an arc is formed between the weldment and the gooseneck 2. At the same time the welding bug 8 feeds the welding wire through the wire feed tube 3 to the gooseneck 2, the head of the welding wire protruding from the end of the gooseneck 2. The electric arc heats the welding wire and the weldment to finish welding. If the operator is not operated properly, the temperature of the high-temperature alarm welding gun is continuously increased and is higher than a set safety value, the high-temperature alarm temperature control switch 62 is closed, the alarm lamp 61 starts to emit light, and the alarm function is played for the operator. The set safety value can be adjusted according to actual requirements, and is usually set to 65 ℃. When the temperature of the high-temperature alarm welding gun is lower than a set safety value, the high-temperature alarm temperature control switch 62 is turned off, so that the alarm lamp stops emitting light, and the operator is informed that the welding gun can be continuously used.
If the operator does not see the warning of the alarm lamp 61 to continue welding, the temperature of the high-temperature alarm welding gun continues to rise, and when the temperature of the high-temperature alarm welding gun is higher than the critical safety value, the high-temperature cut-off temperature control switch 52 is switched off, so that the high-temperature alarm welding gun is forced to stop working, and the temperature of the high-temperature alarm welding gun begins to fall. When the temperature of the high-temperature alarm welding gun is lower than the critical safety value, the high-temperature switch-off temperature control switch 52 is closed, the handle switch 53 is closed at the moment, the high-temperature alarm welding gun continues to work, and an operator can continue welding operation. An operator can observe the alarm lamp 61, when the alarm lamp 61 stops emitting light, the temperature of the high-temperature alarm welding gun is lower than a set safety value, the temperature of the high-temperature alarm welding gun is inevitably lower than the critical safety value at the moment, and the high-temperature alarm welding gun continues to work after the handle switch 53 is closed.
The utility model discloses high temperature alarm welder can be different according to welded technology, can select the temperature detect switch of different settlement safety value and critical safety value, prolonged welder's life, reduced the risk that operating personnel burns, burns.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A high-temperature alarm welding gun is matched with an electric welding machine for use and is characterized by comprising a handle, a wire feeding pipe, a gooseneck, a power input cable, a control loop and an alarm loop;
one end of the gooseneck is communicated with one end of the wire feeding pipe through the handle; the other end of the wire feeding pipe is connected with an electric welding machine, the electric welding machine feeds a welding wire into the high-temperature alarm welding gun through the wire feeding pipe, and the welding wire extends out of the other end of the gooseneck;
the power input cable is connected with the electric welding machine and the gooseneck, the electric welding machine supplies power to the gooseneck through the power input cable, when the gooseneck is close to a weldment, current output by the electric welding machine flows back to the electric welding machine through the power input cable, the gooseneck and the weldment, electric arcs are formed between the gooseneck and the weldment, the welding wires and the weldment are heated, and welding is completed;
the control loop comprises a handle switch and a control cable, and two poles of the handle switch are connected with the electric welding machine through the control cable; a relay is arranged in the electric welding machine, and the control loop controls the on-off of the power input cable through the relay;
the alarm loop comprises a high-temperature alarm temperature control switch, a battery and an alarm lamp, and the high-temperature alarm temperature control switch is a normally-open temperature control switch; one end of the high-temperature alarm temperature control switch is connected with one end of the alarm lamp through a circuit, and the other end of the high-temperature alarm temperature control switch and the other end of the alarm lamp are respectively connected with two poles of the battery through circuits;
the high-temperature alarm temperature control switch is tightly attached to the outer surface of one end, close to the handle, of the gooseneck, and the alarm lamp is arranged on the outer surface of the handle.
2. The high-temperature alarm welding gun according to claim 1, wherein when the temperature of the high-temperature alarm welding gun exceeds a set safety value, the high-temperature alarm temperature control switch is closed, and the alarm lamp starts to emit light; when the temperature of the high-temperature alarm welding gun is reduced to be lower than the set safety value, the high-temperature alarm temperature control switch is switched off, and the alarm lamp stops emitting light.
3. The high-temperature alarm welding gun according to claim 1, wherein the alarm circuit further comprises a detection button switch, the detection button switch is a normally open switch, the detection button switch is connected in parallel with the high-temperature alarm temperature control switch, and the detection button switch is also arranged on the outer surface of the handle.
4. The high temperature warning welding gun according to claim 2, wherein the control loop further comprises a high temperature off temperature controlled switch, the high temperature off temperature controlled switch being a normally closed temperature controlled switch; the high-temperature turn-off temperature control switch is connected in series with the handle switch and is tightly attached to the outer surface of one end of the gooseneck close to the handle,
when the temperature of the high-temperature alarm welding gun exceeds a set critical safety value, the high-temperature shutoff temperature control switch is switched off, and the high-temperature alarm welding gun stops working; when the temperature of the high-temperature alarm welding gun is lower than the critical safety value, the high-temperature alarm temperature control switch is closed, the handle switch is closed at the moment, the high-temperature alarm welding gun starts to work,
the critical safety value is higher than the set safety value.
5. The high temperature warning welding gun according to claim 1, wherein the power input cable and the control cable are coaxial cables, and the wire feeding tube is a hollow tube in the coaxial cables.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920202707.9U CN209902449U (en) | 2019-02-13 | 2019-02-13 | High-temperature alarm welding gun |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920202707.9U CN209902449U (en) | 2019-02-13 | 2019-02-13 | High-temperature alarm welding gun |
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| Publication Number | Publication Date |
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| CN209902449U true CN209902449U (en) | 2020-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920202707.9U Active CN209902449U (en) | 2019-02-13 | 2019-02-13 | High-temperature alarm welding gun |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109623111A (en) * | 2019-02-13 | 2019-04-16 | 上海亿诺焊接科技股份有限公司 | A kind of high temperature alarm welding gun |
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2019
- 2019-02-13 CN CN201920202707.9U patent/CN209902449U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109623111A (en) * | 2019-02-13 | 2019-04-16 | 上海亿诺焊接科技股份有限公司 | A kind of high temperature alarm welding gun |
| CN109623111B (en) * | 2019-02-13 | 2023-09-26 | 上海亿诺焊接科技股份有限公司 | High-temperature alarm welding gun |
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