CN210967410U

CN210967410U - Silicon controlled arc stud welding machine

Info

Publication number: CN210967410U
Application number: CN201921179641.2U
Authority: CN
Inventors: 石楠
Original assignee: Changzhou Jinda Welding Equipment Manufacturing Co ltd
Current assignee: Changzhou Jinda Welding Equipment Manufacturing Co ltd
Priority date: 2019-07-25
Filing date: 2019-07-25
Publication date: 2020-07-10
Anticipated expiration: 2029-07-25

Abstract

The utility model discloses a silicon controlled arc stud welding machine relates to silicon controlled arc stud welding machine technical field, and for solving current silicon controlled arc stud welding machine's live voltage range than narrow, output is little, can't step down power frequency three-phase voltage to the low pressure and the poor problem of radiating effect. One side of welding machine casing top is provided with safety alarm, one side of safety alarm is provided with the handle, the preceding terminal surface of welding machine casing is provided with the aluminum alloy and consolidates the strip, the one end of welding machine casing is provided with operation knob, the inner wall of welding machine casing is provided with the condenser, one side of condenser is provided with MCU microprocessor, MCU microprocessor's below is provided with the transformer, and the transformer is provided with two, one side of transformer is provided with the silicon controlled rectifier, one side of silicon controlled rectifier is provided with photoelectric coupler, one side of photoelectric coupler is provided with the fan, the inside of fan is provided with the flabellum.

Description

Silicon controlled arc stud welding machine

Technical Field

The utility model relates to a silicon controlled arc stud welding machine technical field specifically is a silicon controlled arc stud welding machine.

Background

The thyristor is called SCR for short, and is a high-power electrical component, also called thyristor. It has the advantages of small volume, high efficiency, long service life, etc. In an automatic control system, the device can be used as a high-power driving device to realize the control of high-power equipment by using a low-power control. The arc stud welding machine is widely applied to an alternating current and direct current motor speed regulating system, a power regulating system and a follow-up system, is mainly used for welding stud cylindrical head (headless) welding nails and special-shaped nails, and is mainly applied to the automobile industry in short-period welding. When welding stud (stud), the ceramic ring or gas is generally used for protection, and short-period welding can be performed without gas protection, so that the silicon controlled arc stud welding machine is more and more widely used.

At present, the silicon controlled arc stud welding machine on the market has the advantages of narrow application voltage range and small output power, and meanwhile, the power frequency three-phase voltage cannot be reduced to low voltage through an industrial high-power transformer, so that a smooth direct-current welding power supply is difficult to obtain.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a silicon controlled arc stud welding machine to the live voltage scope of the current silicon controlled arc stud welding machine who proposes in solving above-mentioned background art is narrow, and output is little, can't step down the power frequency three-phase voltage to the low pressure and the poor problem of radiating effect.

In order to achieve the above object, the utility model provides a following technical scheme: a silicon controlled arc stud welding machine comprises a welding machine shell, wherein a safety alarm is arranged on one side above the welding machine shell, a handle is arranged on one side of the safety alarm, an aluminum alloy reinforcing strip is arranged on the front end face of the welding machine shell, an operation knob is arranged at one end of the welding machine shell, the number of the operation knobs is three, a man-machine touch screen is arranged on one side of the operation knob, a heat dissipation net is arranged below the man-machine touch screen, the number of the heat dissipation net is three, positive and negative output ends are arranged below the heat dissipation net, the number of the positive and negative output ends is two, a baffle is arranged at the lower end of the welding machine shell, the number of the baffles is two, universal self-locking wheels are arranged between the two baffles, the number of the universal self-locking wheels is two, a capacitor is arranged on the inner, the improved fan is characterized in that a transformer is arranged below the MCU microprocessor, two transformers are arranged below the MCU microprocessor, a silicon controlled rectifier is arranged on one side of the transformer, a photoelectric coupler is arranged on one side of the silicon controlled rectifier, a fan is arranged on one side of the photoelectric coupler, fan blades are arranged inside the fan, and a dust screen is arranged at one end of the fan.

Preferably, the controlled silicon is in bidirectional connection with both the photoelectric coupler and the capacitor, the photoelectric coupler is in bidirectional connection with the MCU microprocessor, and the output end of the MCU microprocessor is connected with both the safety alarm and the input end of the fan.

Preferably, the output end of the human-computer touch screen is connected with the input end of the MCU microprocessor, the output end of the transformer is connected with the input end of the controllable silicon, and the output end of the capacitor is connected with the input ends of the positive and negative output ends.

Preferably, the welding machine shell is fixedly connected with the safety alarm and the handle, and the welding machine shell and the baffle are of an integrated structure.

Preferably, the welding machine shell is fixedly connected with the aluminum alloy reinforcing strip through bolts, and the welding machine shell is connected with the universal self-locking wheel in a welding mode.

Preferably, the welding machine shell is fixedly connected with a fan, and the fan is connected with a dust screen in a sealing mode.

Compared with the prior art, the beneficial effects of the utility model are that:

1. this silicon controlled arc stud welding machine is through setting up silicon controlled rectifier and condenser, the commercial power of two hundred twenty volts obtains a plurality of groups voltage after two transformers vary voltage, a group voltage provides the undercurrent for the machine after the rectification, and another group voltage is to charging to the condenser after the rectification effect of silicon controlled rectifier, the voltage of condenser both ends receives the control and adjustable of silicon controlled rectifier, the control range is wide, output power is big, MCU microprocessor accessible design relevant procedure, accurate differentiation alternating current power supply voltage's zero point, accurate adjustment, control phase shift volume, then promote the silicon controlled rectifier work of charging through enlarging the plastic, the silicon controlled rectifier steps down the power frequency three-phase voltage to the low pressure, it is narrow to have solved the service voltage range of traditional silicon controlled arc stud welding machine, output power is little, can't step down the power frequency three-phase voltage to.

2. This silicon controlled rectifier electric arc stud welding machine is through setting up radiator-grid and fan, and the fan drives the flabellum and rotates, and the dust screen has fine dustproof effect, and the rotation of flabellum can give off the heat of the inside production of welding machine during operation through the radiator-grid, has fine radiating effect, has solved the poor problem of traditional silicon controlled rectifier electric arc stud welding machine radiating effect.

Drawings

Fig. 1 is a perspective view of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

fig. 3 is a schematic diagram of the silicon controlled arc stud welding machine of the present invention.

In the figure: 1. a welder housing; 2. an operation knob; 3. a security alarm; 4. a handle; 5. a heat-dissipating web; 6. a universal self-locking wheel; 7. aluminum alloy reinforcing bars; 8. a human-computer touch screen; 9. positive and negative output terminals; 10. a transformer; 11. silicon controlled rectifier; 12. a photoelectric coupler; 13. a capacitor; 14. an MCU microprocessor; 15. a fan; 16. a fan blade; 17. a dust screen; 18. and a baffle plate.

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.

Referring to fig. 1-3, the present invention provides an embodiment of a scr arc stud welder, including a welder housing 1, a safety alarm 3 is disposed on one side of the upper side of the welder housing 1, the safety alarm 3 is a safety alarm 3 of type QJ-NX-2, which can perform safety pre-warning, a handle 4 is disposed on one side of the safety alarm 3, an aluminum alloy reinforcing bar 7 is disposed on the front end surface of the welder housing 1, an operation knob 2 is disposed on one end of the welder housing 1, and the operation knob 2 is three, a human touch screen 8 is disposed on one side of the operation knob 2, which displays setting of welding parameters for an MCU microprocessor 14, a heat dissipation network 5 is disposed below the human touch screen 8, which has a good heat dissipation effect, the human touch screen 8 is a human touch screen 8 of type GT1575V-STBD, and the heat dissipation network 5 is three, a positive and negative output terminal 9 is disposed below the heat dissipation network 5, and the positive and negative output terminal 9 is two positive and negative terminal 9, a baffle 18 is disposed at the lower end of the welder housing 1, and a heat dissipation network 14, a transformer 14 is a transformer of type, a scr arc welder housing 10, a scr arc stud welder housing 14, a scr arc stud welder is a general transformer 14, a general transformer 14.

Further, the controlled silicon 11 is connected with both the photoelectric coupler 12 and the capacitor 13 in a bidirectional mode, the photoelectric coupler 12 is connected with the MCU microprocessor 14 in a bidirectional mode, and the output end of the MCU microprocessor 14 is connected with the input ends of the safety alarm 3 and the fan 15.

Further, the output end of the man-machine touch screen 8 is connected with the input end of the MCU microprocessor 14, the output end of the transformer 10 is connected with the input end of the controllable silicon 11, and the output end of the capacitor 13 is connected with the input ends of the positive and negative output ends 9.

Further, welding machine casing 1 and safety alarm 3 and the equal fixed connection of handle 4, welding machine casing 1 and baffle 18 structure as an organic whole, the integration of structure is better.

Further, the welding machine shell 1 and the aluminum alloy reinforcing strip 7 are fixedly connected through bolts, the welding machine shell 1 is connected with the universal self-locking wheel 6 in a welding mode, and the connection between the structures is more reliable.

Further, the welding machine shell 1 is fixedly connected with the fan 15, and the fan 15 is connected with the dust screen 17 in a sealing mode, so that the connection relation between the structures is more stable and safe.

The working principle is as follows: when in use, firstly the human-computer touch screen 8 displays the setting of welding parameters for the MCU microprocessor 14, the welder is led into single-phase two hundred and two ten volt commercial power, the two hundred and two ten volt commercial power is transformed by two transformers 10 to obtain a plurality of groups of voltages, one group of voltages is rectified to provide small current for the machine, the other group of voltages is rectified by the controllable silicon 11 to charge the capacitor 13, the voltages at two ends of the capacitor 13 are controlled and adjustable by the controllable silicon 11, the adjustment range is wide, the output power is large, the other groups transformed by the transformers 10 are control and isolation power sources, when the capacitor 13 is charged, the controllable silicon 11 is controlled by the MCU microprocessor 14 through the photoelectric coupler 12, the MCU microprocessor 14 can accurately identify the zero point of the AC power voltage through designing related programs, accurately adjust and control the phase shift amount, and then the charging controllable silicon 11 is pushed to work through amplification and shaping, silicon controlled rectifier 11 steps down the power frequency three-phase voltage to low pressure, during the welding, stud contact work piece signal on the welder, give MCU microprocessor 14 with signal transmission through relevant control circuit, MCU microprocessor 14 sends and begins the welding instruction, discharge silicon controlled rectifier 11 receives to trigger and switches on, make the electric charge on condenser 13 apply between stud and welding workpiece through the discharge circuit, produce very big heat in the very short time, thereby implement welding process, in the welding machine course of operation, fan 15 through MCU microprocessor 14 control, afterwards, fan 15 starts, fan 15 drives flabellum 16 and rotates, dust screen 17 has fine dustproof effect, the rotation of flabellum 16 can give off the heat that the welding machine during operation inside produced through radiator-grid 5, has fine radiating effect.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a silicon controlled arc stud welding machine, includes welding machine casing (1), its characterized in that: the welding machine comprises a welding machine shell (1), wherein a safety alarm (3) is arranged on one side above the welding machine shell (1), a handle (4) is arranged on one side of the safety alarm (3), an aluminum alloy reinforcing strip (7) is arranged on the front end face of the welding machine shell (1), an operation knob (2) is arranged at one end of the welding machine shell (1), three operation knobs (2) are arranged on the operation knob, a man-machine touch screen (8) is arranged on one side of the operation knob (2), a radiating net (5) is arranged below the man-machine touch screen (8), three radiating nets (5) are arranged, positive and negative output ends (9) are arranged below the radiating net (5), two positive and negative output ends (9) are arranged, a baffle (18) is arranged at the lower end of the welding machine shell (1), two baffles (18) are arranged, and a universal self-locking wheel (6) is arranged between the baffles, and universal auto-lock wheel (6) are provided with two, the inner wall of welding machine casing (1) is provided with condenser (13), one side of condenser (13) is provided with MCU microprocessor (14), the below of MCU microprocessor (14) is provided with transformer (10), and transformer (10) is provided with two, one side of transformer (10) is provided with silicon controlled rectifier (11), one side of silicon controlled rectifier (11) is provided with optoelectronic coupler (12), one side of optoelectronic coupler (12) is provided with fan (15), the inside of fan (15) is provided with flabellum (16), the one end of fan (15) is provided with dust screen (17).

2. The silicon controlled arc stud welder according to claim 1, characterized in that: the controllable silicon (11) is in bidirectional connection with both the photoelectric coupler (12) and the capacitor (13), the photoelectric coupler (12) is in bidirectional connection with the MCU microprocessor (14), and the output end of the MCU microprocessor (14) is connected with the input ends of the safety alarm (3) and the fan (15).

3. The silicon controlled arc stud welder according to claim 1, characterized in that: the output end of the man-machine touch screen (8) is connected with the input end of the MCU (14), the output end of the transformer (10) is connected with the input end of the controllable silicon (11), and the output end of the capacitor (13) is connected with the input ends of the positive and negative output ends (9).

4. The silicon controlled arc stud welder according to claim 1, characterized in that: the welding machine shell (1) is fixedly connected with the safety alarm (3) and the handle (4), and the welding machine shell (1) and the baffle (18) are of an integral structure.

5. The silicon controlled arc stud welder according to claim 1, characterized in that: the welding machine is characterized in that the welding machine shell (1) is fixedly connected with the aluminum alloy reinforcing strip (7) through bolts, and the welding machine shell (1) is connected with the universal self-locking wheel (6) in a welding mode.

6. The silicon controlled arc stud welder according to claim 1, characterized in that: the welding machine shell (1) is fixedly connected with the fan (15), and the fan (15) is connected with the dust screen (17) in a sealing mode.