CN114650894A - Welding machine - Google Patents

Welding machine Download PDF

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Publication number
CN114650894A
CN114650894A CN202080077749.XA CN202080077749A CN114650894A CN 114650894 A CN114650894 A CN 114650894A CN 202080077749 A CN202080077749 A CN 202080077749A CN 114650894 A CN114650894 A CN 114650894A
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China
Prior art keywords
welding
storage
unit
storage unit
welding conditions
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CN202080077749.XA
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Chinese (zh)
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CN114650894B (en
Inventor
井原英树
田畑芳行
堀江宏太
大崎宪和
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Panasonic Intellectual Property Management Co Ltd
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Panasonic Intellectual Property Management Co Ltd
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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
    • B23K9/095Monitoring or automatic control of welding parameters

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Arc Welding Control (AREA)

Abstract

The invention provides a welding machine. The 1 st number of welding conditions is stored in the 1 st storage section. A2 nd storage unit stores a 2 nd number of welding conditions extracted from the 1 st number of welding conditions stored in the 1 st storage unit. The 2 nd number is less than the 1 st number. The input operation unit accepts a predetermined input operation. The control section selects one welding condition among the 2 nd number of welding conditions stored in the 2 nd storage section based on a given input operation.

Description

Welding machine
Technical Field
The invention relates to a welding machine.
Background
Patent document 1 discloses a welding output condition adjustment device configured to switch welding conditions by intermittently and repeatedly turning on and off a torch switch, which is a push button switch for switching the output of a welding power supply device, in a short time.
Prior art documents
Patent literature
Patent document 1: japanese laid-open patent publication No. 58-41672
However, in recent years, the number of welding conditions stored in advance in an internal memory of a welding machine has increased in order to perform optimum welding according to the plate thickness and material of a workpiece.
For example, the internal memory stores a plurality of welding conditions in the order of numbers. The welding machine switches the welding conditions in order from the small number according to the repeated on/off of the torch switch. Sometimes the operator desires to establish a welding condition associated with a large number. If the number of the desired welding condition is large, the operator must turn on and off the torch switch several times. Therefore, it takes time to switch to a desired welding condition, and the work efficiency is deteriorated.
Disclosure of Invention
Problems to be solved by the invention
The present invention has been made in view of the above, and an object thereof is to enable quick selection of welding conditions.
Means for solving the problems
The present invention is directed to a welding machine for welding a workpiece based on a given welding condition, and adopts the following solving means.
The 1 st aspect of the present invention includes: a 1 st storage unit for storing a 1 st number of welding conditions; at least one 2 nd storage part storing 2 nd welding conditions less than 1 st number extracted from the 1 st number of welding conditions stored in the 1 st storage part; an input operation unit that accepts a predetermined input operation; and a control section that selects one welding condition among the 2 nd number of welding conditions stored in the 2 nd storage section based on the given input operation.
In the 1 st invention, the 1 st number of welding conditions are stored in the 1 st storage section. A2 nd storage unit stores a 2 nd number of welding conditions extracted from the 1 st number of welding conditions stored in the 1 st storage unit. The 2 nd number is less than the 1 st number. The input operation unit accepts a predetermined input operation. The control section selects one welding condition among the 2 nd number of welding conditions stored in the 2 nd storage section based on a given input operation.
This enables the welding conditions to be selected quickly. For example, a plurality of welding conditions corresponding to the thickness and material of the workpiece are stored in the 1 st storage unit. Therefore, when the welding conditions are selected from the 1 st storage unit, it is necessary to perform a plurality of input operations, which takes time and labor.
On the other hand, if only the welding conditions frequently used by the operator are extracted from the 1 st storage unit and stored in the 2 nd storage unit, and the welding conditions are selected from the 2 nd storage unit, it is possible to switch to the desired welding conditions with a small number of input operations.
The 2 nd invention according to the 1 st invention is the welding output unit for welding the workpiece, and the input operation unit is provided in the vicinity of the welding output unit.
In the invention of claim 2, an input operation unit is provided in the vicinity of the welding output unit. Thus, the operator can easily perform an input operation with his or her hand to switch to a desired welding condition.
The 3 rd invention is the 1 nd or 2 nd invention wherein the at least one 2 nd storage unit stores a number table in which a plurality of storage numbers and the 2 nd number of welding conditions are associated with each other, the given input operation is the number of operations of the input operation unit,
the control unit selects one of the plurality of storage numbers in accordance with the number of operations of the input operation unit, and selects one of the 2 nd number of welding conditions associated with the one of the plurality of storage numbers by referring to the number table.
In the 3 rd invention, the 2 nd storage unit stores the number table in which the plurality of storage numbers and the 2 nd number of welding conditions are associated with each other. The control unit selects one of the plurality of storage numbers in accordance with the number of operations input to the operation unit, and selects one of the 2 nd welding conditions associated with the one of the plurality of storage numbers by referring to the number table.
This enables smooth selection of welding conditions. For example, when a desired welding condition is associated with the 2 nd storage number among the plurality of storage numbers, the operator can select the desired welding condition by operating the input operation unit 2 times.
The 4 th aspect of the present invention is any one of the 1 st to the 3 rd aspects of the present invention, further comprising an authentication unit configured to authenticate an operator, wherein the 2 nd number of welding conditions are set by the operator, and wherein the control unit extracts the 2 nd number of welding conditions set by the operator authenticated by the authentication unit from the 1 st storage unit and stores the extracted conditions in the 2 nd storage unit.
In the 4 th aspect of the present invention, the welding machine extracts the welding conditions set by the operator from the 1 st storage unit by performing the authentication of the operator, and stores the welding conditions in the 2 nd storage unit.
This makes it possible to easily set welding conditions according to the operator. Specifically, when a plurality of operators share 1 welding machine, welding conditions frequently used by the operators may be different. Further, it takes time and effort to perform the operation of restoring the welding conditions to the 2 nd storage unit every time the worker who uses the welding machine changes.
In contrast, if the operator can be authenticated and the welding conditions set by the operator can be automatically stored in the 2 nd storage unit, the operation of the default welding conditions can be made efficient.
Here, the worker may be authenticated by selecting, for example, own authentication, authentication by a password, authentication by an ID card, biometric authentication by a fingerprint, or the like from the worker list.
In the 5 th aspect of the present invention, in any one of the 1 st to 4 th aspects, the at least one 2 nd storage unit includes a plurality of 2 nd storage units, and further includes a selection unit that selects one 2 nd storage unit among the plurality of 2 nd storage units, and the control unit selects the one welding condition among the 2 nd welding conditions from the one 2 nd storage unit among the 2 nd storage units selected by the selection unit.
In the 5 th aspect of the present invention, one 2 nd storage unit is selected from among the plurality of 2 nd storage units, and the welding condition is selected from the selected 2 nd storage unit.
Thus, for example, welding conditions set by a plurality of operators are stored in a plurality of 2 nd storage units, respectively, and the 2 nd storage unit in which a desired welding condition is stored among the plurality of 2 nd storage units is selected, whereby the welding conditions can be easily set in accordance with the operators.
The 6 th invention is any one of the 1 st to 4 th inventions, wherein a plurality of pages are provided in the 2 nd storage unit, the 2 nd number of welding conditions are stored in one of the plurality of pages, a selection unit that selects the one of the plurality of pages in the 2 nd storage unit is further provided, and the control unit selects the one of the 2 nd number of welding conditions from the one of the plurality of pages in the 2 nd storage unit selected by the selection unit.
In the 6 th invention, a plurality of pages are provided in the 2 nd storage unit. The welding conditions are stored in the page. One of the pages is selected, and the welding condition is selected from the selected page.
Thus, for example, welding conditions set by a plurality of operators are stored in a plurality of pages in the 2 nd storage unit, and a page in which a desired welding condition is stored is selected from among the plurality of pages, whereby the welding conditions can be easily set in accordance with the operators.
In the 7 th aspect of the present invention, the control unit is connected to the 1 st storage unit and the 2 nd storage unit, and the control unit accesses the 1 st storage unit to create a copy of the 2 nd welding condition among the 1 st welding condition, and accesses the 2 nd storage unit to store the copy of the 2 nd welding condition as the 2 nd welding condition.
That is, the control portion retains the 1 st number of welding conditions stored in the 1 st storage portion, and stores the 2 nd number of welding conditions in the 2 nd storage portion.
Effects of the invention
According to the present invention, the welding conditions can be selected quickly.
Drawings
Fig. 1 is a block diagram showing the structure of a welding machine according to embodiment 1.
Fig. 2 is a side view showing the structure of the welding torch.
Fig. 3 is a diagram for explaining the welding conditions stored in the 1 st storage unit and the 2 nd storage unit.
Fig. 4 is a timing chart illustrating an on operation of a torch switch for welding.
Fig. 5 is a timing chart illustrating a click operation of a torch switch for selecting a welding condition.
Fig. 6 is a perspective view for explaining a case where welding conditions are switched during a welding operation.
Fig. 7 is a block diagram showing the structure of the welding machine according to embodiment 2.
Fig. 8 is a block diagram showing the structure of the welding machine according to embodiment 3.
Fig. 9 is a block diagram showing the structure of the welding machine according to embodiment 4.
Detailed Description
Hereinafter, embodiments of the present invention will be described based on the drawings. The following description of the preferred embodiments is merely exemplary in nature and is in no way intended to limit the invention, its application, or uses.
EXAMPLE 1
< Structure of soldering machine >
As shown in fig. 1, the welding machine 1 includes a welding power supply 10 and a welding torch 20 (welding output unit). The welding machine 1 generates an arc between the electrode 21 of the welding torch 20 and the workpiece W, and welds the workpiece W by the heat of the arc.
One output terminal of the welding power supply 10 is connected to the welding torch 20 via the 1 st output cable 3. The other output terminal of the welding power supply 10 is connected to the workpiece W via the 2 nd output cable 4. The welding power supply 10 supplies power for arc welding to the welding torch 20.
As shown in fig. 2, torch 20 has electrode 21, torch handle 22, and torch switch 23. The operator performs the welding operation while holding the torch handle 22. The torch handle 22 is provided with a torch switch 23.
The torch switch 23 has a lever-type switch movable portion 24. The operator can turn on the torch switch 23 by pressing the switch movable portion 24 with a finger. The torch switch 23 receives an on operation and outputs an operation signal to the welding power supply 10. The welding power supply 10 receives the operation signal and outputs welding power to the torch 20.
On the other hand, the operator can release the on operation of torch switch 23 by separating the finger from switch movable portion 24. The torch switch 23 stops the output of the operation signal upon receiving the release of the on operation. When the output of the operation signal is stopped, the welding power supply 10 stops outputting the welding power to the welding torch 20. In this way, the operator can perform welding with the welding torch 20 only during the on operation of the welding torch switch 23. As will be described later, the torch switch 23 may be used as an input operation unit for selecting a welding condition of the welding machine 1.
As shown in fig. 1, the welding power supply 10 includes an input unit 11, a control unit 12, a display unit 13, a 1 st storage unit 14, a 2 nd storage unit 15, a gas control circuit unit 16, a high-frequency circuit unit 17, a welding output circuit unit 18, and a current detection unit 19.
The input unit 11 is connected to the setting switch 5 and the torch switch 23. As described below, the operator can select a desired welding condition by using either the setting switch 5 or the torch switch 23. The setting switch 5 receives, for example, at least one of the material of the workpiece W, the plate thickness of the workpiece W, the type of gas, the welding speed, the welding current, and the like from an operator as a parameter of the welding condition. A setting signal indicating the welding condition received by the setting switch 5 is output to the input unit 11.
The control unit 12 corrects the conditions based on the parameters related to welding set by the setting switch 5, and performs welding control. The control unit 12 is connected to the display unit 13, the 1 st storage unit 14, and the 2 nd storage unit 15.
The display unit 13 is configured by a liquid crystal screen for displaying character information and the like. The operator can perform various settings while checking the parameters displayed on the display unit 13.
The 1 st storage unit 14 stores the 1 st number of welding conditions (100 pieces in the example shown in fig. 3). The welding conditions stored in the 1 st storage unit 14 are displayed on the display unit 13. The operator can select the welding conditions by operating the setting switch 5 while confirming the welding conditions displayed on the display unit 13. Thus, conditions necessary for the intended welding are set, and then the welding is actually started.
Welding conditions selected from among the 1 st number of welding conditions stored in the 1 st storage unit 14 are transmitted to the control unit 12. The control unit 12 operates a gas control circuit unit 16, a high frequency circuit unit 17, and a welding output circuit unit 18, which will be described later, in accordance with the welding conditions transmitted from the 1 st storage unit 14. This enables welding to be performed under welding conditions set by an operator.
In the 2 nd storage part 15, the 2 nd welding condition extracted from the 1 st welding condition stored in the 1 st storage part 14 is stored. The 2 nd number (4 pieces in the example shown in fig. 3) is smaller than the 1 st number. For example, the operator may select only the welding condition with a high frequency of use by the setting switch 5 and copy the welding condition from the 1 st storage unit 14 to the 2 nd storage unit 15. For example, input unit 11 receives an instruction to select the 2 nd welding condition and an instruction to copy the selected 2 nd welding condition from setting switch 5, torch switch 23, or another user interface, and transfers the selection instruction and the copy instruction to the control unit. Upon receiving the selection instruction and the copy instruction, the control unit 12 accesses the 1 st storage unit 14 to create a copy of the 2 nd welding condition indicated by the selection instruction, and accesses the 2 nd storage unit 15 to store the copy of the 2 nd welding condition.
The control unit 12 is connected to a gas control circuit unit 16, a high frequency circuit unit 17, a welding output circuit unit 18, and a current detection unit 19.
The gas control circuit unit 16 performs control for adjusting the flow rate of the shielding gas supplied from a gas tank, not shown, to the welding torch 20.
The high-frequency circuit unit 17 controls the supply of a high-frequency voltage to the welding torch 20. Between the electrode 21 of the welding torch 20 and the workpiece W, insulation breakdown is caused by a high-frequency voltage.
The welding output circuit unit 18 controls the power supply to the welding torch 20 so that arc discharge is generated between the electrode 21 of the welding torch 20 and the workpiece W after the insulation breakdown.
The current detection unit 19 detects a current flowing between the electrode 21 of the welding torch 20 and the workpiece W.
< selection of welding conditions >
As shown in fig. 3, the 1 st storage unit 14 stores a plurality of welding conditions CH1 to CH 100. The welding conditions are set to obtain an optimum output according to the thickness and material of the workpiece W.
In the 2 nd storage part 15, the 2 nd welding condition extracted from the 1 st welding condition stored in the 1 st storage part 14 is stored. The number table 30 is stored in the 2 nd storage unit 15. In number table 30, 1 st stack S1 to 5 th stack S5 are set as storage numbers. The 2 nd number of welding conditions are stored in any one of the 1 st stack S1 to the 5 th stack S5. That is, the 2 nd number of welding conditions are associated with any one of the 1 st stack S1 to the 5 th stack S5, respectively.
The operator selects the welding condition with high frequency of use, and stores the welding condition extracted from the 1 st storage unit 14 in the 2 nd storage unit 15.
In the example shown in fig. 3, the 1 st stack S1 stores welding conditions CH 3. The 2 nd stack S2 stores the welding condition CH 1. In the 3 rd stack S3, the welding condition CH5 is stored. In the 4 th stack S4, the welding condition CH99 is stored. The welding condition is not stored in the 5 th stack S5, and becomes an empty area.
Then, when the operator switches the welding conditions during the welding operation, a predetermined input operation is performed. In the present embodiment, a predetermined input operation is performed using the torch switch 23 (see fig. 2).
Specifically, when the switch movable portion 24 of the torch switch 23 is pressed with a finger for 500ms or more, the control unit 12 determines that the welding torch switch 23 is turned on (see fig. 4). While the torch switch 23 is turned on, welding power is supplied from the welding power supply 10 to the welding torch 20, and welding can be performed by the welding torch 20.
On the other hand, when the time for pressing the switch movable portion 24 is less than 500ms, the control portion 12 determines that the input operation is for switching the welding conditions. In the example shown in fig. 5, the torch switch 23 is kept pressed for 250ms and then the torch switch 23 is separated.
In this manner, the welding conditions are switched by performing a so-called click operation of turning on and off the torch switch 23 in the off state for 500ms or less. The welding conditions stored in the 2 nd storage unit 15 can be selected according to the number of operations of the torch switch 23.
Specifically, in the example shown in fig. 3, when the operator wants to select welding condition CH5 associated with the 3 rd stack S3 of the 2 nd storage unit 15, the operator performs 3 times of clicking operations on the torch switch 23. Based on the input operation of torch switch 23, controller 12 reads welding condition CH5 from stack 3S 3 in storage unit 2, and operates welding power supply 10 according to welding condition CH 5. More specifically, the controller 12 receives an input operation by the torch switch 23, and selects one of the 1 st stack S1 to the 5 th stack S5 in accordance with the number of operations of the input operation. The control unit 12 accesses the 2 nd storage unit 15 and selects the welding condition stored in the selected one of the 1 st stack S1 to the 5 th stack. The control unit 12 operates the gas control circuit unit 16, the high-frequency circuit unit 17, and the welding output circuit unit 18 in accordance with the selected welding conditions. This enables welding to be performed under welding conditions selected by the operator.
The time for determining whether or not the click operation is performed is an example, and is not limited to this value (500 ms). The determination time of the click operation can be changed according to the preference of the operator.
Hereinafter, a case where welding conditions are switched during a welding operation will be described. Fig. 6 illustrates a case where metal plates are stacked and fillet-welded.
In the example shown in FIG. 6, the 1 st metal plate W1 having a plate thickness t1 of 1.2mm, the 2 nd metal plate W2 having a plate thickness t2 of 3.2mm, and the 3 rd metal plate W3 having a plate thickness t3 of 3.2mm are stacked.
Here, it is assumed that welding conditions CH3 (for example, welding current 120A) required for fillet welding of the 1 st metal plate W1 and the 2 nd metal plate W2 are stored in the 1 st stack S1 (see fig. 3) of the 2 nd storage unit 15.
Note that welding conditions CH1 (for example, welding current 200A) required for fillet welding of the 2 nd metal plate W2 and the 3 rd metal plate W3 are stored in the 2 nd stack S2 (see fig. 3) of the 2 nd storage unit 15.
First, when fillet welding of the 1 st metal plate W1 and the 2 nd metal plate W2 is performed, 1 click operation is performed on the torch switch 23. Based on the input operation of torch switch 23, controller 12 reads welding condition CH3 from stack S1 of storage unit 2, and sets the welding current to 120A according to welding condition CH 3. The operator performs welding with the torch 20 under the set welding condition CH 3.
After the fillet welding of the 1 st and 2 nd metal plates W1 and W2 is completed, when the fillet welding of the 2 nd and 3 rd metal plates W2 and W3 is performed, the torch switch 23 is clicked 2 times. Based on the input operation of torch switch 23, controller 12 reads welding condition CH1 from 2 nd stack S2 in 2 nd storage unit 15, and sets the welding current to 200A according to welding condition CH 1. The operator performs welding with the torch 20 under the set welding condition CH 1.
As described above, in the welding machine 1 according to the present embodiment, it is assumed that only the welding conditions frequently used by the operator are extracted from the 1 st storage unit 14 and stored in the 2 nd storage unit 15 in advance, and the welding conditions are selected from the 2 nd storage unit 15 based on the click operation of the torch switch 23. This enables welding conditions to be selected quickly.
The torch switch 23 is fixed to the torch handle 22. Since torch switch 23 is provided in the vicinity of torch 20, it is possible to switch to a desired welding condition by a simple input operation performed by the hand of the operator.
Further, since the welding conditions associated with the 1 st stack S1 to the 5 th stack S5 of the 2 nd storage unit 15 are selected according to the number of operations of the torch switch 23, the selection of the welding conditions can be performed smoothly.
EXAMPLE 2
Fig. 7 is a block diagram showing the structure of the welding machine according to embodiment 2. Hereinafter, the same portions as those in embodiment 1 are denoted by the same reference numerals, and only different points will be described.
As shown in fig. 7, the welding power supply 10 includes an authentication unit 35. The authentication unit 35 is connected to the input unit 11.
The authentication unit 35 authenticates an operator using the welding machine 1. The authentication unit 35 is, for example, a selection button for selecting itself from the operator list displayed on the display unit 13. The worker may be authenticated by password authentication, ID card authentication, fingerprint biometric authentication, or the like.
The authentication information of the worker authenticated by the authentication unit 35 is output to the input unit 11. The 1 st storage unit 14 may store a table including a plurality of operators and a plurality of entries associated with the plurality of operators. Each of the plurality of entries may store at least one welding condition set by a corresponding operator. The controller 12 specifies the welding conditions set by the operator based on the authentication information of the operator input to the input unit 11 and the table, extracts the specified welding conditions from the 1 st storage unit 14, and stores the welding conditions in the 2 nd storage unit 15.
This makes it possible to easily set welding conditions according to the operator. Specifically, when a plurality of operators share 1 welding machine 1, welding conditions frequently used by the operators may be different. Further, it takes time and effort to perform the operation of restoring the welding conditions in the 2 nd storage unit 15 every time the operator using the welding machine 1 changes.
On the other hand, the welder 1 authenticates the operator, and automatically stores the welding conditions set by the operator in the 2 nd storage unit 15. This makes it possible to efficiently set welding conditions.
EXAMPLE 3
Fig. 8 is a block diagram showing the structure of the welding machine according to embodiment 3. As shown in fig. 8, the welding power supply 10 includes a plurality of 2 nd storage units 15 and a dial 36 (selection unit). The plurality of 2 nd storage units 15 are connected to the control unit 12.
The welding conditions extracted from the 1 st storage unit 14 are stored in the plurality of 2 nd storage units 15, respectively. The welding conditions stored in the plurality of 2 nd storage portions 15 are different from each other. For example, welding conditions set for each operator may be stored in each of the plurality of 2 nd storage units 15.
The dial 36 selects one 2 nd storage unit 15 among the plurality of 2 nd storage units 15. The operator selects the 2 nd storage unit 15 storing the desired welding conditions among the plurality of 2 nd storage units 15 by operating the dial 36. The control unit 12 selects the welding conditions from the selected 2 nd storage unit 15.
This makes it possible to easily set welding conditions according to the operator.
In the present embodiment, the selection of the 2 nd storage unit 15 is performed using the dial 36, but the selection of the 2 nd storage unit 15 may be performed using the setting switch 5.
EXAMPLE 4
Fig. 9 is a block diagram showing the structure of the welding machine according to embodiment 4. As shown in fig. 9, a plurality of pages 15a are provided in the 2 nd storage unit 15. The welding conditions extracted from the 1 st storage unit 14 are stored in the plurality of pages 15a, respectively. The welding conditions stored in the plurality of pages 15a are different from each other. For example, welding conditions set for each operator may be stored in each of the pages 15a of the 2 nd storage unit 15.
The welding power supply 10 includes a dial 36 (selection unit). The jog disk 36 selects one page 15a among the plurality of pages 15a of the 2 nd storage section 15. The operator selects the page 15a storing the desired welding conditions among the pages 15a of the 2 nd storage unit 15 by operating the dial 36. The control unit 12 selects the welding conditions from the selected page 15 a.
This makes it possible to easily set welding conditions according to the operator.
In the present embodiment, the page 15a of the 2 nd storage unit 15 is selected using the dial 36, but the page 15a of the 2 nd storage unit 15 may be selected using the setting switch 5.
Other embodiments
The embodiment may be configured as follows.
In the present embodiment, one welding condition is selected from among a plurality of welding conditions according to the number of clicks of the torch switch 23, but the present invention is not limited to this embodiment. For example, a plurality of operation buttons may be provided in the welding torch 20. Further, it may be provided that the 1 st stack S1 to the 5 th stack S5 are assigned for each of the plurality of operation buttons so that a desired welding condition can be selected by pressing a desired operation button.
In the present embodiment, the welding conditions are selected from the respective stacks of the 2 nd storage unit 15 by clicking the torch switch 23 before starting the welding operation, and the switching of the welding conditions is performed.
For example, in the arc-pit repetition mode, the welding conditions may be switched by clicking the torch switch 23 while the main current is supplied (while the torch switch 23 is being separated).
Industrial applicability
As described above, the present invention is extremely useful and has high industrial applicability because it can obtain a highly practical effect of enabling rapid selection of welding conditions.
Description of the symbols
1: welding machine
12: control unit
14: 1 st storage part
15: 2 nd storage part
15 a: page
20: welding torch (welding output part)
23: welding torch switch (input operation part)
30: numbering meter
35: authentication unit
36: turntable (selecting part)
CH 1-CH 100: welding conditions
S1-S5: 1 st to 5 th stacks (storage number)
W: and (5) a workpiece.

Claims (7)

1. A welding machine for welding a workpiece based on a given welding condition, comprising:
a 1 st storage unit for storing a 1 st number of welding conditions;
at least one 2 nd storage unit storing a 2 nd welding condition less than the 1 st number extracted from the 1 st number of welding conditions stored in the 1 st storage unit;
an input operation unit that accepts a predetermined input operation; and
a control section that selects one welding condition among the 2 nd number of welding conditions stored in the 2 nd storage section based on the given input operation.
2. The welding machine of claim 1,
the welding machine is provided with a welding output part for welding the workpiece,
the input operation portion is provided in the vicinity of the welding output portion.
3. The welding machine of claim 1 or 2,
in the at least one 2 nd storage part, a number table in which a plurality of storage numbers and the 2 nd number of welding conditions are associated with each other is stored,
the given input operation is the number of operations of the input operation section,
the control unit selects one of the plurality of storage numbers in accordance with the number of operations of the input operation unit, and selects one of the 2 nd number of welding conditions associated with the one of the plurality of storage numbers by referring to the number table.
4. The welding machine of any one of claims 1 to 3,
the welding machine further includes: an authentication unit for authenticating the operator,
the 2 nd number of welding conditions are set by the operator,
the control unit extracts the 2 nd number of welding conditions set by the worker authenticated by the authentication unit from the 1 st storage unit, and stores the welding conditions in the 2 nd storage unit.
5. The welding machine of any one of claims 1 to 4,
the at least one 2 nd storage part includes a plurality of 2 nd storage parts,
the welding machine further comprises: a selection section that selects one 2 nd storage section from among the plurality of 2 nd storage sections,
the control unit selects the one welding condition among the 2 nd number of welding conditions from the one 2 nd storage unit among the 2 nd storage units selected by the selection unit.
6. The welding machine of any one of claims 1 to 4,
a plurality of pages are provided in the 2 nd storage section,
the 2 nd number of welding conditions is stored in one page among the plurality of pages,
the welding machine further includes: a selection section that selects the one page among the plurality of pages in the 2 nd storage section,
the control portion selects the one welding condition among the 2 nd number of welding conditions from the one page of the plurality of pages of the 2 nd storage portion selected by the selection portion.
7. The welding machine of claim 1,
the control unit is connected to the 1 st storage unit and the 2 nd storage unit,
the control unit accesses the 1 st storage unit to create a copy of the 2 nd welding condition selected from the 1 st welding condition,
the control portion accesses the 2 nd storage portion to save a copy of the 2 nd number of welding conditions as the 2 nd number of welding conditions.
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JP2019207765 2019-11-18
PCT/JP2020/032985 WO2021100280A1 (en) 2019-11-18 2020-09-01 Welding machine

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