CN115156670A - Wireless control method of stud welding equipment - Google Patents

Wireless control method of stud welding equipment Download PDF

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Publication number
CN115156670A
CN115156670A CN202210768481.5A CN202210768481A CN115156670A CN 115156670 A CN115156670 A CN 115156670A CN 202210768481 A CN202210768481 A CN 202210768481A CN 115156670 A CN115156670 A CN 115156670A
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CN
China
Prior art keywords
wireless
triode
stud welding
gun
resistor
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Granted
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CN202210768481.5A
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Chinese (zh)
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CN115156670B (en
Inventor
胡长健
邓显红
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Zhejiang Shangshi Automatic Welding Technology Co ltd
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Zhejiang Shangshi Automatic Welding Technology Co ltd
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Priority to CN202210768481.5A priority Critical patent/CN115156670B/en
Publication of CN115156670A publication Critical patent/CN115156670A/en
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Publication of CN115156670B publication Critical patent/CN115156670B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00Arc welding or cutting
    • B23K9/20Stud welding
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00Arc welding or cutting
    • B23K9/32Accessories

Abstract

The application discloses a wireless control method of stud welding equipment, which comprises the following steps: a wireless transmitting module is added at the stud welding gun end, and the wireless receiving module, a gun switch of the stud welding gun and a gun battery form a series circuit; removing an original control cable connected between a stud welding gun and a control plug of a stud welding machine; the controller is additionally arranged at the end of the stud welding machine and comprises a wireless receiving module, the wireless receiving module is in wireless communication with a wireless transmitting module at the end of the stud welding machine, and the controller is connected with a control joint of the stud welding machine through a control line. The structure and the circuit of original stud welding machine need not to be changed in this application, and the repacking is simple, low cost, and the simple operation has realized stud welding gun's wireless control, has solved the control cable among the prior art and has easily acted as go, the rupture, easily electrocuted, must renew after breaking, has improved welding machine, welder's rate of utilization, and convenient durable.

Description

Wireless control method of stud welding equipment
Technical Field
The invention relates to the technical field of welding equipment, in particular to a wireless control method of stud welding equipment.
Background
With the development of steel structures, stud welding has been used for the task of stud welding in multiples. Stud welding is a method in which one end of a stud is contacted with the surface of a plate (or a pipe fitting), arc striking is carried out by electrifying, and after the contact surface is melted, the stud is welded under certain pressure.
Referring to fig. 1, a stud welding machine 5 is provided with a power supply connector, and is connected with a stud welding gun 6 through a cable 61 connected with the stud welding gun to supply power to the stud welding gun 6. The stud welding machine 5 is also provided with a control socket which is connected with the stud welding gun 6 through a thin control cable 62 connected with the stud welding gun and provides a control signal for the operation of the stud welding gun 6. Stud welding can rapidly weld a stud or other fastener to the workpiece 7 without penetrating the workpiece 7. At present, the domestic steel structure adopts a novel truss plate, and reinforcing steel bars are welded on a floor plate in a triangular shape. When a welder works on a plate, the stud welding gun 6 is connected with a control socket on the stud welding machine 5 through a control cable 62 for connecting the stud welding gun, a stud with a ceramic ring live metal ring sleeved at the end part is installed in the stud welding gun 6, then the stud welding gun 6 vertically pre-tensions the surface of a workpiece 7 for positioning, a trigger is triggered, electric arc is generated between the workpiece 7 and the stud, and then the stud is separated from the stud welding gun 6 by spring force to finish welding. In the welding process, the control cable 62 connected with the stud welding gun can rub on the steel bar at any time or be hooked on an iron wire and a welded stud, so that the stud welding gun is easy to be damaged, broken and electrically shocked, and needs to be replaced after being broken. Nowadays, the price of copper wire rises dramatically, and it is uneconomical to change the control line constantly, has also brought the inconvenience for the constructor, has reduced work efficiency.
Therefore, how to realize wireless control and optimization of the existing stud welding equipment at low cost to meet the actual use requirements is very important.
Disclosure of Invention
The invention aims to provide a wireless control method of stud welding equipment, which realizes the control of a stud welding machine in a wireless mode without using a control line or changing the circuit of the original stud welding machine so as to solve the problems in the technical background.
In order to achieve the purpose, the invention adopts the following technical scheme:
a method of wireless control of a stud welding apparatus, comprising:
a wireless transmitting module is added at the stud welding gun end, and the wireless receiving module, a gun switch of the stud welding gun and a gun battery form a series circuit;
removing an original control cable connected between a stud welding gun and a control socket of a stud welding machine;
the controller is additionally arranged at the end of the stud welding machine and comprises a wireless receiving module, the wireless receiving module is in wireless communication with a wireless transmitting module at the end of the stud welding machine, and the controller is connected with a control socket of the stud welding machine through a control line.
Preferably, the controller further comprises a shell, a magnet is arranged on the shell, and the controller is installed on the shell of the stud welding machine through the magnet in an adsorption mode.
Preferably, the wireless transmission module includes:
the wireless transmitting chip is used for transmitting a wireless signal;
the power-saving circuit comprises a first branch, a second branch and a third branch which are connected in parallel between the positive pole of the gun battery and the wireless transmitting chip: the first branch is connected with a power supply end of the wireless transmitting chip through a diode D4 to supply power to the wireless transmitting chip; the second branch circuit comprises a diode D2, a resistor R3 and a capacitor C2 which are sequentially connected in series, the other end of the capacitor C2 is connected with a base electrode of a triode Q3, an emitting electrode of the triode Q3 is connected with a first control end of the wireless transmitting chip, a collecting electrode of the triode Q3 is connected with a power supply end of the wireless transmitting chip, and the second branch circuit triggers the triode Q3 to be conducted through the diode D2, the resistor R3 and the capacitor C2 to enable the wireless transmitting chip to transmit a starting-up signal; the third branch road, including triode Q1 and triode Q2, triode Q2's base is connected with triode Q1's collecting electrode, by triode Q1 control triode Q2's the on-state, and the second control end of wireless transmitting chip is connected to triode Q2's projecting pole, when the third branch road is receiving the switch-on signal of rifle switch, triode Q1 switches on, and then makes triode Q2 end, and when the switch-on signal disconnection, triode Q1 ends, and triode Q2 switches on, makes wireless transmitting chip transmission shutdown signal.
More preferably, the first branch of the wireless transmission module includes: diode D4 and electric capacity C3, diode D4's positive pole is connected the positive pole of rifle battery, the power supply end of wireless transmission chip is connected to diode D4's negative pole, diode D4's negative pole still passes through electric capacity C3 ground connection, and electric capacity C3's storage electric quantity provides the shutoff current for wireless transmission module when the rifle switch shuts off.
More preferably, the second branch of the wireless transmission module further comprises: the circuit comprises a resistor R4 and a diode D3, wherein one end of the resistor R4 is connected between the resistor R3 and a capacitor C2, the other end of the resistor R4 and the anode of the diode D3 are grounded, and the cathode of the diode D3 is connected with the base electrode of a triode Q3; when the gun switch is turned off, the current in capacitor C2 is discharged through resistor R4 and diode D3.
More preferably, in the third branch of the wireless transmitting module, a base of the triode Q1 is connected to an anode of a gun battery through a resistor R1, an emitter of the triode Q1 is grounded, a collector of the triode Q1 is connected to a cathode of the diode D1 through a resistor R2, a cathode of the diode D1 is further grounded through a capacitor C1, an anode of the diode D1 is connected to an anode of the gun battery, a collector of the triode Q1 is further connected to a base of the triode Q2, an emitter of the triode Q2 is connected to the second control terminal of the wireless transmitting chip, and a collector of the triode Q2 is connected to the power supply terminal of the wireless transmitting chip;
when the gun switch is closed, the triode Q1 is conducted, and the triode Q2 is cut off;
when the gun switch is switched off, the triode Q1 is cut off, the stored energy of the capacitor C1 triggers the triode Q2 to be switched on through the resistor R2, and the wireless transmitting chip transmits a shutdown signal.
More preferably, the model of the wireless transmitting chip is ev1527.
More preferably, the gun battery provides 12V voltage, which is turned on by the gun switch.
More preferably, the gun switch is closed, and the wireless transmitting module sends a start pulse signal to the wireless transmitting chip through the power saving circuit; and when the gun switch is switched off, the wireless transmitting module sends a shutdown pulse signal to the wireless transmitting chip through the power-saving circuit.
Preferably, the wireless receiving module includes:
the wireless receiving chip is used for receiving the wireless signals sent by the wireless transmitting chip;
the input end of the voltage stabilizing block is connected with the power supply end of the control socket, and the output end of the voltage stabilizing block is connected with the wireless receiving chip to supply power to the wireless receiving chip;
switch-on control circuit, including bridge rectifier circuit, triode Q4, resistance R5, resistance R6 and resistance R7, an input end of bridge rectifier circuit connects a switch end of control socket, another input end of bridge rectifier circuit connects another switch end of control socket, bridge rectifier circuit's positive pole passes through resistance R5 and connects triode Q4's collecting electrode, triode Q4's projecting pole is connected to bridge rectifier circuit's negative pole, triode Q4's base passes through resistance R6 and connects the first output of wireless receiving chip, triode Q4's projecting pole still is connected with the second output of wireless receiving chip, resistance R7 connects in parallel between triode Q4's base and projecting pole.
More preferably, the model of the wireless receiving chip is WF105RB.
More preferably, a negative electrode of the bridge rectifier circuit of the wireless receiving module is grounded.
The stud welding machine and the stud welding gun in the above description may be commercially available stud welding machines and stud welding guns, and need not be separately manufactured. As the stud welding machine and the stud welding gun belong to the prior mature technology, the electrical connection relationship and the specific circuit structure are not repeated.
In the above description, the wireless receiving chip and the wireless transmitting chip are commercially available chips, and need not be manufactured separately. Since the wireless receiving chip and the wireless transmitting chip belong to the existing mature technology, the electrical connection relationship and the specific circuit structure thereof are not repeated herein.
Compared with the prior art, the technical scheme of the invention has the following beneficial effects:
this application has carried out wireless control to current stud welding equipment, increases a wireless transmitting module on stud welding gun, demolishs the control cable who originally connects between stud welding gun and stud welding machine, increases a controller on stud welding machine, realize and the stud welding machine between wireless communication, the controller passes through the current control socket of control line lug connection stud welding machine, need not to change original stud welding machine's structure and circuit. The technical scheme of the application is simple in modification, low in cost and convenient and fast to operate, wireless control of the stud welding gun is achieved, the technical problems that a control cable in the prior art is easy to pull, break and get an electric shock, and the stud welding gun must be replaced after being broken are solved, the utilization rate of a welding machine and a welding gun is improved, and the stud welding gun is convenient and durable.
In addition, the wireless transmitting module additionally arranged on the stud welding gun also adopts a power-saving circuit, so that the service life of a gun battery is prolonged, the power-saving effect is obvious, and the requirement that a worker does not need to replace the gun battery in one day can be met.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application. In the drawings:
FIG. 1 is a schematic illustration of a prior art stud weld;
FIG. 2 is a schematic view of the stud welding apparatus of the present invention after wireless control;
FIG. 3 is a functional block diagram of the wireless control circuitry of the stud welding apparatus of the present invention after wireless control;
fig. 4 is a circuit diagram of a wireless transmit module in a preferred embodiment of the invention;
fig. 5 is a circuit diagram of a wireless receiving module in a preferred embodiment of the present invention.
Illustration of the drawings:
1. a gun battery;
2. a gun switch;
3. a wireless transmitting module; 31. a power saving circuit; 32. a wireless transmitting chip;
4. a wireless receiving module; 41. switching on a control circuit; 42. a wireless receiving chip; 43. a voltage stabilization block;
5. a stud welding machine;
6. a stud welding gun; 61. a cable connected to the stud gun; 62. a control cable connected with the stud welding gun;
7. a workpiece;
8. and a controller.
Detailed Description
In order to make the objects, technical solutions and effects of the present invention clearer and clearer, the present invention is further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the above-described drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order, it being understood that the data so used may be interchanged under appropriate circumstances. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.
The embodiment is as follows:
to the problem that exists among the prior art, this application improves prior art, adopts wireless mode to replace original mode that adopts the control line to carry out control signal transmission. According to the wireless control method and the wireless control device, the wireless transmitting module is added on the stud welding gun 6, the wireless receiving module is inserted into the control socket of the stud welding machine 5, the control line which is easy to wear and break in the existing stud welding equipment is removed, the structure and the circuit of the original welding machine are not changed, and the wireless control of the stud welding gun 6 is realized.
A schematic diagram of a wirelessly controlled stud welding apparatus is shown in fig. 2.
Comparing fig. 1 and fig. 2, the wireless control method for stud welding equipment of the present embodiment includes the following steps:
a wireless transmitting module is added at the end of the stud welding gun 6, and the wireless receiving module, a gun switch of the stud welding gun 6 and a gun battery form a series circuit;
removing the original control cable (i.e. the control cable 62 for connecting the stud welding gun) connected between the stud welding gun 6 and the control socket of the stud welding machine 5;
the method is characterized in that a controller 8 is additionally arranged at the end of the stud welding machine 5, the controller 8 comprises a wireless receiving module, the wireless receiving module is in wireless communication with a wireless transmitting module at the end of the stud welding gun 6, and the controller 8 is connected with a control socket of the stud welding machine 5 through a control line.
In a preferred embodiment, the controller 8 further includes a housing, a magnet is disposed on the housing, and the controller is attached to the housing of the stud welding machine 5 through the magnet.
Fig. 3 is a schematic block diagram of a wireless control circuit in the stud welding apparatus in the present embodiment.
As shown in fig. 3, the wireless control circuit includes a wireless transmitting module 3 and a wireless receiving module 4. The wireless transmitting module 3 is arranged on the stud welding gun 6 and forms a series circuit with the gun switch 2 and the gun battery 1, and the wireless transmitting module 3 comprises a wireless transmitting chip 32 and a power-saving circuit 31. The wireless receiving module 4 is inserted into a control socket of the stud welding machine 5, and the wireless receiving module 4 comprises a wireless receiving chip 42, a voltage stabilizing block 43 and a switching-on control circuit 41. Wherein, the wireless transmitting chip 32 and the wireless receiving chip 42 are connected in wireless communication. When a welder needs to weld, the gun switch 2 is manually controlled to be closed, the wireless transmitting module 3 sends a starting pulse signal to the wireless transmitting chip 32 through the electricity-saving circuit 31, the wireless receiving chip 42 receives the signal sent by the wireless transmitting chip 32, a control loop of the stud welding machine 5 is conducted, and the stud welding machine 5 controls the stud welding gun 6 to start working. When welding is finished, a welder releases the gun switch 2, the wireless transmitting module 3 sends a shutdown pulse signal to the wireless transmitting chip 32 through the electricity-saving circuit 31, the wireless receiving chip 42 receives the signal sent by the wireless transmitting chip 32, a control loop of the stud welding machine 5 is not conducted, and the stud welding machine 5 controls the stud welding gun 6 to stop working.
Fig. 4 is a circuit diagram of a wireless transmission module 3 in this embodiment. The wireless transmitting module 3 comprises a wireless transmitting chip 32 and a power-saving circuit 31, and the wireless transmitting module 3, the gun switch 2 and the gun battery 1 form a series circuit.
Referring to fig. 4, the wireless transmitting chip 32 is used for transmitting a wireless signal. In this embodiment, the wireless transmitting chip 32 adopts ev1527, V + is its power supply positive, GND is its power supply negative, and the wireless transmitting chip 32 further includes two terminals of "on" and "off".
The power saving circuit 31 is designed in this embodiment, considering that the time required for each stud welding is about 1 second or more and the gun battery 1 is very power consuming.
Specifically, the power saving circuit 31 includes a first branch, a second branch and a third branch connected in parallel between the positive electrode of the gun battery 1 and the wireless transmitting chip 32:
1) The first branch circuit comprises a diode D4 and a capacitor C3, the anode of the diode D4 is connected with the anode of the gun battery 1, and the cathode of the diode D4 is connected with the power supply end of the wireless transmitting chip 32 to supply power to the wireless transmitting chip 32. The cathode of the diode D4 is grounded through the capacitor C3, and the stored electric quantity of the capacitor C3 provides a turn-off current for the wireless transmitting module when the gun switch is turned off.
2) The second branch circuit comprises a diode D2, a resistor R3 and a capacitor C2 which are sequentially connected in series, the other end of the capacitor C2 is connected with a base electrode of a triode Q3, an emitting electrode of the triode Q3 is connected with a first control end of the wireless transmitting chip 32, namely an 'open' terminal, and a collecting electrode of the triode Q3 is connected with a power supply end of the wireless transmitting chip 32. The second branch further comprises: resistance R4 and diode D3, resistance R4's one end is connected between resistance R3 and electric capacity C2, resistance R4's the other end and diode D3's positive pole all ground connection, triode Q3's base is connected to diode D3's negative pole. When the gun switch 2 is switched on, the second branch circuit is conducted through the diode D2, the resistor R3 and the capacitor C2 trigger triode Q3, so that the wireless transmitting chip 32 transmits a starting signal to the wireless receiving module 4, the stud welding machine 5 works, the stud starts welding, and the welding time is automatically controlled by the stud welding machine 5. After the capacitor C2 is charged to saturation, the triode Q3 is disconnected, so that the current during emission is saved. When the stud welding is finished, the welder releases the gun switch 2, the electricity of the capacitor C2 is released through the resistor R4 and the diode D3, and preparation is made for charging the capacitor C2 next time.
3) And the third branch circuit comprises a triode Q1, a triode Q2, a resistor R1, a resistor R2 and a diode D1. The base electrode of the triode Q1 is connected with the anode of the gun battery 1 through a resistor R1, the emitting electrode of the triode Q1 is grounded, the collecting electrode of the triode Q1 is connected with the cathode of the diode D1 through a resistor R2, the cathode of the diode D1 is grounded through a capacitor C1, and the anode of the diode D1 is connected with the anode of the gun battery 1. The collector of the triode Q1 is also connected with the base of the triode Q2, the triode Q1 controls the conduction state of the triode Q2, the emitter of the triode Q2 is connected with the second control end of the wireless transmitting chip 32, namely, the 'off' terminal, and the collector of the triode Q2 is connected with the power supply end of the wireless transmitting chip 32. When the gun switch 2 is closed, the third branch receives a switch-on signal of the gun switch 2, the triode Q1 is conducted, and the triode Q2 is further cut off; when the gun switch 2 is turned off, the triode Q1 is cut off, and the stored energy of the capacitor C1 triggers the triode Q2 to be turned on through the resistor R2, so that the wireless transmitting chip 32 transmits a shutdown signal. The wireless transmitting module 3 transmits the shutdown signal by means of residual electricity of the internal capacitor, and the stud welding machine 5 resets again to prepare for next startup. Next time, the welder closes the gun switch 2 again, and the gun switch 2 works repeatedly, namely normal construction is carried out.
The circuit sends a pulse when the gun switch 2 is switched on and sends a pulse when the gun switch 2 is switched off, so that the power-saving effect is very obvious. The current of the wireless transmitting module 3 is 110mA when transmitting, if the power is not saved, the power of the gun battery 1 can be exhausted in about two hours. By adopting the circuit design in the embodiment, one gun battery 1 can be used for at least 15 hours, and the requirement that a welder does not need to replace the battery in one day is met. The circuit controls the stud welding machine 5 to start up through one pulse, controls the stud welding machine 5 to shut down through one pulse, and has a good using effect.
It should be noted that the wireless transmitting module 3 disclosed above is formed by using discrete components, and may also be formed by using a single chip microcomputer and a digital circuit, as long as it can send out a power-on pulse and a power-off pulse.
Fig. 5 is a circuit diagram of a wireless receiving module 4 in this embodiment. The wireless receiving module 4 comprises a wireless receiving chip 42, a voltage stabilizing block 43 and a switching-on control circuit 41, and the wireless receiving module 4 is plugged in a control socket of the stud welding machine 5.
Referring to fig. 5, the control socket has four cores, power sources No. 1 and No. 4, and switch lines of the welding machine No. 2 and No. 3.
Specifically, the wireless receiving module 4 includes:
1) The input end of the 12V voltage stabilizing block 43 is connected with the power supply ends (cores No. 1 and No. 4) of the control socket, and the output end thereof is connected with the wireless receiving chip 42 to supply power to the wireless receiving chip 42.
2) And the wireless receiving chip 42 is used for receiving the wireless signal sent by the wireless transmitting chip 32. In this embodiment, the wireless receiving chip 42 preferably has a model of WF105RB, V + is its positive power supply, GND is its negative power supply, and an output terminal.
3) And the switch-on control circuit 41 comprises a bridge rectifier circuit, a triode Q4, a resistor R5, a resistor R6 and a resistor R7. One input end of the bridge rectifier circuit is connected with the core No. 3 of the control socket, and the other input end of the bridge rectifier circuit is connected with the core No. 2 of the control socket. The positive pole of the bridge rectifier circuit is connected with the collector of the triode Q4 through the resistor R5, the negative pole of the bridge rectifier circuit is connected with the emitter of the triode Q4, the base of the triode Q4 is connected with the first output end of the wireless receiving chip 42 through the resistor R6, the emitter of the triode Q4 is also connected with the second output end of the wireless receiving chip 42, and the resistor R7 is connected between the base and the emitter of the triode Q4 in parallel. The negative electrode of the bridge rectifier circuit is grounded.
In the connection control circuit 41, a bridge rectifier circuit is used, and normal operation can be realized regardless of how the No. 2 core and the No. 3 core are connected to the wireless receiving chip 42. The positive pole of the bridge rectifier circuit is controlled by a resistor R5 and a triode Q4 through a switch, when a signal passes through the wireless receiving chip 42, the signal triggers the triode Q4 to be conducted through the resistor R6, a No. 2 core and a No. 3 core of the control socket are provided with a loop, and the stud welding machine 5 works. The resistor R5 can prevent a triode Q4 from being burnt out by large current, and the resistor R7 can avoid small interference.
The connection control circuit 41 is a contactless long-life circuit, and a relay may be used as long as the No. 2 core and the No. 3 core can be connected.
The stud welding machine and the stud welding gun in the above description may be commercially available stud welding machines and stud welding guns, and need not be separately manufactured. As the stud welding machine and the stud welding gun belong to the prior mature technology, the electrical connection relationship and the specific circuit structure are not repeated.
In the above description, the wireless receiving chip and the wireless transmitting chip are commercially available chips, and need not be manufactured separately. Since the wireless receiving chip and the wireless transmitting chip belong to the existing mature technology, the electrical connection relationship and the specific circuit structure thereof are not repeated herein.
To sum up, this application has carried out wireless control to current stud welding equipment, increases a wireless transmitting module on stud welding gun, demolishs the control cable who originally connects between stud welding gun and stud welding machine, increases a controller on stud welding machine, realize and the stud welding machine between wireless communication, the controller passes through the current control socket of control line lug connection stud welding machine, need not to change original stud welding machine's structure and circuit. The technical scheme of the application is simple in modification, low in cost and convenient and fast to operate, wireless control of the stud welding gun is achieved, the technical problems that a control cable in the prior art is easy to pull, break and get an electric shock, and the stud welding gun must be replaced after being broken are solved, the utilization rate of a welding machine and a welding gun is improved, and the stud welding gun is convenient and durable. The wireless transmitting module added to the stud welding gun further adopts the electricity-saving circuit, so that the battery power of the stud welding gun is saved, the service life of the gun battery is prolonged, the electricity-saving effect is obvious, and the requirement that a worker does not need to replace the gun battery one day can be met.
The embodiments of the present invention have been described in detail, but the embodiments are merely examples, and the present invention is not limited to the embodiments described above. Any equivalent modifications and substitutions to those skilled in the art are also within the scope of the present invention. Accordingly, equivalent changes and modifications made without departing from the spirit and scope of the present invention should be covered by the present invention.

Claims (10)

1. A method of wireless control of a stud welding apparatus, comprising:
a wireless transmitting module is added at the stud welding gun end, and the wireless receiving module, a gun switch of the stud welding gun and a gun battery form a series circuit;
removing an original control cable connected between a stud welding gun and a control socket of a stud welding machine;
the controller is additionally arranged at the end of the stud welding machine and comprises a wireless receiving module, the wireless receiving module is in wireless communication with a wireless transmitting module at the end of the stud welding machine, and the controller is connected with a control socket of the stud welding machine through a control line.
2. The wireless control method of the stud welding equipment according to claim 1, wherein the controller further comprises a housing, a magnet is arranged on the housing, and the controller is mounted on the housing of the stud welding machine through the magnet in an adsorption mode.
3. The wireless control method of the stud welding device according to claim 1, wherein the wireless transmission module comprises:
the wireless transmitting chip is used for transmitting a wireless signal;
the power-saving circuit comprises a first branch, a second branch and a third branch which are connected in parallel between the positive pole of the gun battery and the wireless transmitting chip: the first branch is connected with a power supply end of the wireless transmitting chip through a diode D4 to supply power to the wireless transmitting chip; the second branch circuit comprises a diode D2, a resistor R3 and a capacitor C2 which are sequentially connected in series, the other end of the capacitor C2 is connected with a base electrode of a triode Q3, an emitting electrode of the triode Q3 is connected with a first control end of the wireless transmitting chip, a collecting electrode of the triode Q3 is connected with a power supply end of the wireless transmitting chip, and the second branch circuit triggers the triode Q3 to be conducted through the diode D2, the resistor R3 and the capacitor C2 to enable the wireless transmitting chip to transmit a starting-up signal; the third branch road, including triode Q1 and triode Q2, triode Q2's base is connected with triode Q1's collecting electrode, by triode Q1 control triode Q2's on-state, and the second control end of wireless transmitting chip is connected to triode Q2's projecting pole, the third branch road is when the switch-on signal of receiving the rifle switch, and triode Q1 switches on, and then makes triode Q2 end, and when the switch-on signal disconnection, triode Q1 ends, and triode Q2 switches on, makes wireless transmitting chip transmission shutdown signal.
4. The method of claim 3, wherein the first branch of the wireless transmission module comprises: diode D4 and electric capacity C3, diode D4's positive pole is connected the positive pole of rifle battery, the power supply end of wireless transmission chip is connected to diode D4's negative pole, diode D4's negative pole still passes through electric capacity C3 ground connection, and electric capacity C3's storage electric quantity provides the shutoff current for wireless transmission module when the rifle switch shuts off.
5. The wireless control method of a stud welding apparatus according to claim 3, characterized in that the second branch of the wireless transmission module further comprises: the circuit comprises a resistor R4 and a diode D3, wherein one end of the resistor R4 is connected between the resistor R3 and a capacitor C2, the other end of the resistor R4 and the anode of the diode D3 are grounded, and the cathode of the diode D3 is connected with the base electrode of a triode Q3; when the gun switch is turned off, the current in capacitor C2 is discharged through resistor R4 and diode D3.
6. The wireless control method of the stud welding device according to claim 3, characterized in that in the third branch of the wireless transmitting module, the base of the triode Q1 is connected with the positive pole of the gun battery through a resistor R1, the emitter of the triode Q1 is grounded, the collector of the triode Q1 is connected with the negative pole of a diode D1 through a resistor R2, the negative pole of the diode D1 is further grounded through a capacitor C1, the positive pole of the diode D1 is connected with the positive pole of the gun battery, the collector of the triode Q1 is further connected with the base of the triode Q2, the emitter of the triode Q2 is connected with the second control terminal of the wireless transmitting chip, and the collector of the triode Q2 is connected with the power supply terminal of the wireless transmitting chip;
when the gun switch is closed, the triode Q1 is conducted, and the triode Q2 is cut off;
when the gun switch is switched off, the triode Q1 is cut off, the stored energy of the capacitor C1 triggers the triode Q2 to be switched on through the resistor R2, and the wireless transmitting chip transmits a shutdown signal.
7. The wireless control method of the stud welding equipment according to claim 3, characterized in that the wireless transmitting chip is ev1527.
8. The wireless control method of the stud welding device according to claim 1, characterized in that the wireless receiving module comprises:
the wireless receiving chip is used for receiving the wireless signal sent by the wireless transmitting chip;
the input end of the voltage stabilizing block is connected with the power supply end of the control socket, and the output end of the voltage stabilizing block is connected with the wireless receiving chip to supply power to the wireless receiving chip;
the switch-on control circuit comprises a bridge rectifier circuit, a triode Q4, a resistor R5, a resistor R6 and a resistor R7, wherein one input end of the bridge rectifier circuit is connected with one switch end of a control socket, the other input end of the bridge rectifier circuit is connected with the other switch end of the control socket, the positive electrode of the bridge rectifier circuit is connected with the collector electrode of the triode Q4 through the resistor R5, the negative electrode of the bridge rectifier circuit is connected with the emitting electrode of the triode Q4, the base electrode of the triode Q4 is connected with the first output end of the wireless receiving chip through the resistor R6, the emitting electrode of the triode Q4 is further connected with the second output end of the wireless receiving chip, and the resistor R7 is connected between the base electrode and the emitting electrode of the triode Q4 in parallel.
9. The wireless control method of the stud welding equipment according to claim 8, wherein the type of the wireless receiving chip is WF105RB.
10. The wireless control method of the stud welding equipment according to claim 8, wherein a negative electrode of the bridge rectifier circuit of the wireless receiving module is grounded.
CN202210768481.5A 2022-07-01 2022-07-01 Wireless control method of stud welding equipment Active CN115156670B (en)

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US20040245219A1 (en) * 2003-06-04 2004-12-09 Moran Sean Patrick Stud welder
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CN1911585A (en) * 2006-08-10 2007-02-14 俞岳皋 Energy-storage arc pulling type spindle welding machine
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CN201807825U (en) * 2010-09-09 2011-04-27 东华大学 Novel tester for stud welding machine
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