TW200932415A - Stitch pulse welding apparatus - Google Patents

Abstract

The invention provides a stitch pulse welding device which automatically sets a welding condition being needed by designating the anticipate shape of a welding seam. The stitch pulse welding device (1) produces an electric arc under a state when a welding torch is stopped, the electric arc is stopped after prescriptive welding time, the welding torch moves repeatedly in the welding direction and begins to be ignited until moving away from the electric arc with a prescriptive moving distance, then the electric arc is produced again, a welding mark, namely squamous epithelium formed in one production of the electric arc is coincided, and the welding seam is formed on a workpiece. The stitch pulse welding device is provided with a welding condition database part (21) which stores the data of corresponding relation between the welding condition (Tc) and a squamous epithelium diameter value (Sr), a welding condition calculation part (22), which takes the squamous epithelium diameter value (Sr) as input and calculates the welding condition (Tc) by the welding condition database part (21), and a moving distance calculation part (25) which automatically calculates moving distance (Mp) through a set squamous epithelium coincidence rate (Lr).

Description

200932415, invention description: [Technical field to which the invention pertains] A stitch pulse that affects the welding limit of the heat caused by the base material of the thin plate at the same time as the welding method [previously, the welding method] refers to the control welding Heating and cooling ❿ connection. The heat (four) ring is suppressed to the minimum. The welding method is disclosed for the purpose of the splicing method disclosed in the Japanese Patent Publication No. Hei. According to this document, compared with the conventional thin-plate welding, the appearance of the soldering & The means of 1 liter is to 'settle the state in which the welder is stopped, so that the welding base material is smelted'. The external electric isolation in the fused portion causes the welder to move to the arc located near the outer edge of the enchantment. Start point. One-person, refer to the fifth figure to illustrate this prior art. The arc five shows that the operator 自动 automatically communicates the finished product w. It has a plurality of upper arms 53, a lower arm 54, a t-shirt, and a drive (four): = figure wrist; 55 operator The apex of the upper arm 53. Wiring bow = The welding wp of the diameter of about 1 of the winding bobbin 56 will weld the welding position taught by the finished product w. Welding power supply Weld 1Λ i to the arc welder and between (10), w, the weld line 57 will protrude from the electric 4 200932415 to the desired length Ew. Generally, the length Ew is about 15 coffee. However, in order to match the groove shape and welding conditions of the welded portion, the operator can also adjust the long-production Ew to a desired length by using a teach pendant TP. Further, the inside of the guide cable 52 is provided with a ring (C〇13llmer) for guiding the welding line 57. The cable 52 is connected to the arc bar connector T. The future power of the cable 52 and the shielding gas from the gas compression cylinder 58 are supplied to the arc welder τ. ❹ 搬 The means of moving CHAN is the so-called 刼 刼 刼. The teaching suspension system τρ is used to set the operation of f^ Μ and the necessary conditions for the pulse welding of the pins. Specifically, it is used to set the welding current, welding voltage, and so on. The operator controls the welding (4) for the operation (4) using the machine control device RC which teaches the condition of the job. The machine control device RC is provided with each of the listening motors of the # Μ 所 教 教 教 = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = τ τ τ τ τ τ τ τ The 祠 motor has a coding machine control split RC utilization from the compilation is not shown in the figure). Arc welding 3! Τ &,, the state of the turn signal to know the current position of the electric device. Therefore, the machine controls the position of the tip end of the arc welder. Machine JJ set RC "In the sentence welding part, repeat the following heart connection = set the skirt RC in the blade ping, move, cool while 5 200932415 for pin pulse welding. Eight people refer to the sixth figure to explain the pin pulse welding.

From the weld = Γ, the tip end of the arc welder T protrudes. At the end of the shielding gas G, the flow rate from the arc is set to "Arc" in the "Definite flow rate. Based on the set welding ❹ 融 融 Υ 自 自 自 自 自 自 自 自 自 自 自 自 自 自 自 自 ^ ^ 接线 接线 接线 接线 接线 接线 接线 接线 接线 接线 接线 接线 接线 接线 接线 接线 接线After the welding time has elapsed, the arc A stops. Ke to the map (8) shows the state after the arc stops. Immediately after the arc stops, the state after the welding/maintaining welding. Also η lower 'from the arc welding machine Only the shielding gas g is blown out. The melting is solidified by the protective gas G and solidified. The state in which the arc welder is moved to the next position is displayed. After the cooling time elapses, it moves in the direction of welding. , Arc welding 'Qiao: Τ From the arc starting point only deviates from the preset movement interval M ^ = point. The moving speed at this time is preset. The moving room = /, Figure (C), and the starting point of the arc The sixth figure (d) of the welding line 57 which starts to the outer circumference of the molten pool weld mark Y is the same. The sixth figure (d) shows the arc A re-production state at the arc restart point, and the end of the weld mark Y' is new. Forming a smelting pool γ, row = arc generation The state of welding and the shape of the cooling and moving bears. Let 6 200932415 Yes, let the joints overlap to form a scaly shape, and form a welded bubble on the finished product. β Next, refer to the seventh figure to explain the formation after welding. As shown in the seventh figure, the contact Sc is formed at the initial arc start point P1. Further, at the point from the arc start point ρ, along the welding direction

Dr only deviates from the arc re-starting point p2 of the moving interval Mp by two welding marks Sc. Even at the arc restart point p3, it is also "two ❹ 焊接 J weld mark Sc. In this way, the weld marks are formed so as to overlap each other to form the welding bubble B. In the case where the welding voltage and the welding electric power are present, there is a combination of 2 ... and the connection of the person and the connection time. As this, the welding current and the welding voltage are increased and the ratio = = = = flow and welding _ lowering;: other operators are unable to set the value of the movement interval necessary. The diameter becomes about 5 mm. Under the field, the degree of the mark is set to 4_. Another; Bu, f is to set the movement interval, it is necessary to move the separation of the field is: ^ sleepy: electricity ==== combination of time The selection should be based on: 11 combinations and reset the 200932415 movement interval 'so the instruction time for the _ to get the _.

SUMMARY OF THE INVENTION An object of the present invention is to provide a pin pulse welding (hereinafter referred to as a pin pulse welding device) in which a desired shape of a bubble is formed (the diameter of the weld mark and the overlap ratio are solved by the above-mentioned "the needle stitch welding device according to the present invention" is based on inclusion Using the f; segment of the welding current, welding voltage and welding time η: the arc is generated in the state of the welder, in the previous time ^ after the arc is stopped, the above-mentioned welder == two starting points are repeated Moving away from the predetermined moving interval to the electric:, starting the point and generating an electric arc, and superimposing the welding marks produced by the secondary arc into a scaly shape, thereby pre-memorizing the welding in the finished product. A welding condition database corresponding to the welding condition of the welding condition, a straight-field setting unit for setting ^=, and a welding condition for calculating the front piece from the welding condition database based on the diameter of the diameter of the diameter portion t [Embodiment] As shown in Fig. 1, the stitch pulse welding device i of the present embodiment is a device control skirt RC and a teaching suspension system as an operating means, This is different from the conventional technique shown in Fig. 5. In Fig. 1, the operator M, the welding power source wp, the coil, the sunday, the gas compression cylinder 58, and the like shown in Fig. 5 are omitted. The machine control device RC and the teaching suspension system 200932415, which constitute the main part of the present invention, are controlled by the control system. The control unit performs control of the welding operation of the operator M. The system controller includes the main control unit 3 and the operation control unit. CPU6 in the middle position, control unit B 13 in the main division, servo drive (not shown), and A flow (not shown) are connected to each other. The operation control unit Γι is two tracks 2, etc., and the result of the calculation is taken as the servo control signal for controlling the rotation of the 4# motor of each ship. The hard disk 4 recalls the operating procedure and various parameters, etc. The teaching pendant system and the system of the present invention include a setting unit 42 that displays various conditions such as a setting, a positioning unit 41, and a movement target position setting and setting number of the operator Μ.蝉 ❿ ❿, and set weight and rate sigh 42b Main control input to the machine control device RC by various conditions such as the setting of the setting unit 42. 瘳 Various types of diameters, moving speeds, moving intervals, and colds of the contacts input by the setting unit 42 by the memory processing are provided. The teaching processing unit 2 stores the input welding 仫r, the moving speed SP, the moving interval Μρ, and the cooling time gate Ct in the hard disk 4. The interval is calculated by r2, and the moving β is opened to generate Deng 23, And the display processing unit 24. The welding condition database 2 of the 5 memory holders in the disc. Using the rod connection conditions, 'welding conditions (glow current, welding voltage, and welding = 曰 = welding marks under this welding condition) The diameter of the ride occurred. Itching 9 200932415 The conditional database 21 was prepared in advance by an experiment or the like. Ο As shown in the figure, the welding condition database 2丨 is the data accumulated by the method of recording the diameter of the welding mark while changing the welding current and the welding voltage in the actual known environment. The thickness of the finished product, the material and diameter of the weld line, etc. More specifically, 'for example, in a welding environment where the thickness of the finished product is lmm, the wire is iron, and the diameter is 〇6 mm, the welding is adhered to 0.2 seconds to make the welding current and the welding voltage change. The tongue has been recorded and used to weld the traces formed by the pulse welding of the stitches. Secondly, 'the welding time is fixed at 〇.3 seconds, and the material that accumulates the welding marks and the welding marks is recorded, and the accumulated data is used as the welding rod. The port 21 is pre-memorized to the hard disk 4. As a matter of course, in the case where the connection is lmm: the welding line is iron and the diameter is G.8mm, it is necessary to prepare and store the welding condition database corresponding to the welding ring brother in advance. . 2' said the action of the stitch pulse welding device i. The scooping portion 22 is etched by the diameter current of the input tan and the coal stock 21 calculates the welding material as the welding condition Te: the library 21 is in the following manner: The welding conditions and the welding time shown in the second figure are the values of the welding current value and the welding voltage value, and the inside of the portion 3 is close to; the curve is read. The value of ^ is directly in the weld mark of the database recorded by the main control; therefore, for example, 'the welding is not calculated by approximating the curve," so that it can be input, can also be based on the hard disk 4. In addition, it is also e ° The W material connection condition Tc is stored in the hard disk 4 by the condition Tc, and the display unit of the TP can be connected to the TP immediately after the calculation. Here, the operator can confirm the display under the teaching suspension system 琢σ. Display 200932415 =:11Recall that after Z%T7 is confirmed, 'the one that will teach the desired one is to continue the display of the plurality of combinations. The display unit 4 of this type of suspension system TP is displayed by C. In the combination mode, the setting unit 42 selects d ❹ 叙 ί , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , 设定 设定 设定 设定 ^ ^ ^ 设定The overlap ratio of the weld marks is the diameter Sr of the joints, and the movement interval Mp is automatically calculated. The fourth figure shows the shift of the calculation of the movement interval MP as shown in the fourth figure, and the so-called weld marks are the most θ and - Ratio at which weld marks overlap each other: weld marks are calculated by the following formula: Mp The moving and dissimilar part 25 can be heart=repeated;;=the diameter of the mark...the diameter of the mark can be memorized in the hard disk 4. The shape of the bubble is also displayed and displayed on The teaching suspension system Μ 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 Bubble shape: As shown in the first figure, first, the imaginary two-dimensional plane Hr is generated. 11 200932415

Next, on the two-dimensional plane Hr, the arc start point P1 as the starting position is defined at the appropriate coordinate position. For this starting point, select the appropriate direction' to determine the direction of the welding direction; Dr. Next, the welding wire is divided at equal intervals every one interval from the start point. When the circle Cr of the diameter Sr is generated on all of the division points P1 to Pn, the predicted bubble shape Bd is generated. The number of division points is the number of degrees of the predicted bubble shape Bd that can be imagined by the operator. For example, it can be set to four to five, or ten or more. The two-dimensional plane data predicting the bubble shape Bd is memorized on the hard disk 4. When the display is instructed from the setting unit 42, the display processing unit 24 displays the predicted bubble shape Bd recorded on the hard disk 4 on the display unit 41. Further, in °, it is also possible to add any number of intervals of the overlap interval MP of the weld mark to the predicted bubble shape Bd and the overlap ratio Lr + of the weld mark. Further, it is desirable that the finger from the setting portion 42 can be set in the welding condition for the stitch pulse welding = two, and even if the indication of the display is not input, it can be in ^ = 疋The portion 42 inputs the time Sr of the weld mark and the overlap ratio Lr of the movement interval M, and automatically displays it. A W 5 & Ping is calculated according to the diameter of the wave to determine the appropriate welding current, welding voltage, and welding time. Reduce teaching hours. Further, the movement interval is not an absolute value, and since the setting can be made with respect to the relative value of the overlap rate, it is not necessary to correct the diameter and reset the movement interval. That is to say, above the above effects, the teaching time can be further reduced. The combination mode of the welding method of the welding method is displayed on the operation means. In the case of the combination mode, it is added to the above-mentioned effects of several groups, and the operator can Option 12 200932415 = Strip (4) The most common combination mode. In the case of the combination of the two, the combination mode of the class can be shortened by two: In addition, by displaying the predicted bubble shape on the operation =, the operator can visually recognize the shape information of the welding bubble in advance. Adding the diameter, overlap rate, and shifting barrier of the weld mark on the prediction ^

: Added to the above effects. The operator can more clearly understand the shape of the bubble after the construction is broken. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a block diagram of a stitch pulse welding farm according to an embodiment of the present invention; FIG. 1 is a diagram showing a database of welding conditions; and FIG. 2 is a diagram for explaining a state in which a predicted bubble shape is generated. Mode diagram; , , Figure 4 is used to illustrate the pattern of the overlap rate of the weld mark; Taxi diagram = block diagram of the pin pulse welding device which is not used; Figure 8 is a pattern diagram illustrating the pulse welding of the stitch ; and η ί seven diagrams are used to illustrate the welding symbol formed after welding and welding [main component symbol description] 1 pin pulse welding device 3 main control part 4 hard disk

5 RAM 13 200932415

6 CPU 11 operation control unit 12 drive command unit 13 welding control unit 20 teaching processing unit 21 welding condition database 22 welding condition calculation unit 23 bubble shape generation unit 24 display processing unit 25 movement interval calculation unit 41 display unit 42 setting unit 42a diameter Value setting unit 42b Overlap rate setting unit 52 Cable 53 Upper arm 54 Lower arm 55 Wrist 56 Winding shaft 57 Welding line 58 Gas compression cylinder A Arc B Welding bubble Bd Prediction bubble shape Cr Circle Ct Cooling time Dr Welding direction Ew Length 14 200932415

g Protective gas Hr Two-dimensional plane Lr Welding mark overlap ratio Μ Operator Μρ movement interval Ρ1 Arc start point Ρ2 Arc restart point Ρ3 Electric orphan Start point Ρ1~Ρn Division point RC Machine control device Sc Weld mark Sp moving speed Sr Welding mark diameter T arc welding machine Tc welding condition TP teaching suspension system W finished WP welding power source Y melting pool Y' welding mark

Claims (1)

200932415 VII. Scope of application for patent: The setting is based on the welding condition of the welding condition and the splicing time, and the electric power is stopped afterwards; after that, the welding time passes the line direction from the electricity _ point only: == = welding into the ❹ Ο is characterized by - the upper shaft welding bubble, the welding county front material connection (four) diameter and the front diameter value setting portion, setting the diameter; and the welding condition calculation portion, based on the welding condition of the above-mentioned direction 2 The database calculates the 婵 and the condition that the portion of the feature mark is set in place of the movement interval, and the welding movement interval calculation unit is set to the movement interval of ^, +, and . The m1·1 rate and the aforementioned diameter are calculated. 3. The first aspect of the invention is the pin pulse welding device of the second aspect, wherein the stitch pulse welding device further includes: means; and < The condition display shows that the first plurality of combination patterns calculated by the operation welding calculation unit are displayed in the aforementioned operation of the section welding time—or the complex 16 200932415. 4. The stitch pulse welding device according to claim 3 of the patent scope is characterized in that Further, the stitch pulse welding device further includes: a bubble shape generating unit that generates a predicted bubble shape when the welding bubble is seen from the welder side on a two-dimensional plane based on the diameter and the movement interval; and the display processing unit The aforementioned predicted bubble shape is shown in the aforementioned operating means. 5. The stitch pulse welding device according to claim 4, wherein the display processing unit adds at least one of the diameter, the overlap ratio, and the movement interval to the predicted bubble shape. 17