CN102974923B - Special automatic welding machine - Google Patents

Special automatic welding machine Download PDF

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Publication number
CN102974923B
CN102974923B CN201210518726.5A CN201210518726A CN102974923B CN 102974923 B CN102974923 B CN 102974923B CN 201210518726 A CN201210518726 A CN 201210518726A CN 102974923 B CN102974923 B CN 102974923B
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China
Prior art keywords
weld holder
welding
weld
guide rail
mould
Prior art date
Application number
CN201210518726.5A
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Chinese (zh)
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CN102974923A (en
Inventor
肖尚斌
肖超海
杨昌新
薛忠纯
何承元
吕品
侯淑玲
程双灵
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安徽好运机械有限公司
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Priority to CN201210518726.5A priority Critical patent/CN102974923B/en
Publication of CN102974923A publication Critical patent/CN102974923A/en
Application granted granted Critical
Publication of CN102974923B publication Critical patent/CN102974923B/en

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Abstract

The invention discloses a kind of special automatic welding machine, it comprises one to be provided with welding gun weld holder for installing the die device and treating weldment, described weld holder is provided with the wire feeder for supplying welding wire, described die device comprises mould, described weld holder is inverted L shape structure, its upper end by one can vertical motion elevating mechanism connect welding gun, its lower end connection guide rail and can make weld holder on guide rail horizontal linear slide.The weld holder of special automatic welding machine of the present invention moves along a straight line on guide rail, ensure that the quality of weld seam is good and attractive in appearance; Elevating mechanism achieves the vertical lift of welding gun, and the weld bead height of workpiece is adjustable, practicality easy to adjust; Adopt the displacement of Serve Motor Control walking and mould, realize Position location accuracy; The weld seam welding that special automatic welding machine of the present invention is applicable to mechanical field especially adopts special plane of the present invention to weld than good by robot welding economy for the welding of longer, thicker weld seam.

Description

Special automatic welding machine

Technical field

The present invention relates to a kind of special automatic welding machine.

Background technology

At present, weld seam for mechanical field welds, the artificial positioning welding of usual employing, weld a place again manually to move again and treat weldment position, labour intensity is large, and special plane welding can carry out particular design for special parts, have that design and manufacture cost is low, welding efficiency is high, weld mold specificity better, special plane only needs clamping and dismounting workpiece and controls to enable whole process realize automatic welding labour intensity by PLC further to be reduced.

Summary of the invention

Namely object of the present invention is to provide a kind of special automatic welding machine that can reduce welding labour intensity.

Special automatic welding machine of the present invention, comprise one to be provided with welding gun weld holder for installing the die device and treating weldment, described weld holder is provided with the wire feeder for supplying welding wire, described die device comprises mould, described weld holder is inverted L shape structure, its upper end by one can vertical motion elevating mechanism connect welding gun, its lower end connection guide rail and can make weld holder on guide rail horizontal linear slide.

Described guide rail comprises guide rail bracket, and the both sides of guide rail bracket are provided with line slide rail, and the both sides, lower end of described weld holder are provided with the slide block corresponding with line slide rail, and slide block can slide on line slide rail.

Described guide rail bracket is also provided with the tooth bar paralleled with line slide rail, the lower end of described weld holder is also provided with the gear that can be meshed with tooth bar.

The two ends of described line slide rail are provided with limited block.

Be provided with in described weld holder by gear can drive weld holder linearly slide rail motion translation servo-motors.

The both sides of described weld holder bottom are provided with welding wire cylinder, and the both sides on weld holder top are provided with wire feeder, and the welding wire in welding wire cylinder delivers to welding gun by wire feeder, then from welding gun to the position to be welded for the treatment of weldment.

Described elevating mechanism comprise be fixed on weld holder upper end crane, be fixed on the lift servo motor on crane and be fixed on the female nut seat of tool on crane, described lift servo motor drives vertical screw rod to move in nut seat by the interlock of synchromesh gear and Timing Belt, and the upper end of described vertical screw rod is connected on synchromesh gear.

Described mould is cuboid structure, describedly treat that weldment is by being bolted on mould, on the headstock that the two ends of described mould are connected to modified gear by bolt and tailstock, be provided with displacement servomotor in the headstock of described modified gear, described displacement servomotor can be rotated by driven mold by the interlock of synchromesh gear and Timing Belt.

The action of described translation servo-motors, lift servo motor and displacement servomotor is controlled by PLC.

The weld holder of special automatic welding machine of the present invention moves along a straight line on guide rail, ensure that the quality of weld seam is good and attractive in appearance; Elevating mechanism achieves the vertical lift of welding gun, and the weld bead height of workpiece is adjustable, practicality easy to adjust; Adopt the displacement of Serve Motor Control walking and mould, realize Position location accuracy; It is available that omnidistance Non-follow control and PLC control two kinds of patterns, and in welding process, controllability is good; Simple to operate, be convenient to assembling with maintenance.The weld seam welding that special automatic welding machine of the present invention is applicable to mechanical field especially adopts special plane of the present invention to weld than good by robot welding economy for the welding of longer, thicker weld seam.

Accompanying drawing explanation

Fig. 1 is a kind of structural representation treating weldment rocker arm bracket beam;

Fig. 2 is the structural representation that another kind treats weldment reinforcing prop;

Fig. 3 is special automatic welding machine integrated model schematic diagram of the present invention;

Fig. 4 is the sectional structure schematic diagram of the positioner headstock;

Fig. 5 is the structural representation of guide rail;

Fig. 6 is the structural representation of weld holder;

Fig. 7 is the structural representation of elevating mechanism;

In figure: 1, protective cover; 2, guide rail; 3, welding wire cylinder; 4, weld holder; 5, elevating mechanism; 6, panel; 7, mould; 8, positioner; 9, revolving support; 10, harmonic speed reducer; 11, synchromesh gear and Timing Belt; 12, servomotor is conjugated; 13, guide rail bracket; 14, limited block; 15, line slide rail; 16, tooth bar; 17, slide block; 18, gear; 19, welding wire barrel; 20, translation servo-motors; 21, PLC and control section; 22, wire feeder; 23, elevating mechanism; 24, panel; 25, welding gun; 26, gun rack; 27, screw rod; 28, nut seat; 29, synchronous gear wheel; 30, lift servo motor; 31, synchronous pinion gear; 32, the headstock; 33, tailstock.

Detailed description of the invention

As shown in Figure 3, special automatic welding machine of the present invention, comprise one to be provided with welding gun 25 weld holder 4 for installing the die device and treating weldment, weld holder 4 is provided with the wire feeder 22 for supplying welding wire, die device comprises mould 7, weld holder 4 is inverted L shape structure, and its upper end the elevating mechanism 5 of vertical motion can connect welding gun 25 by one, and its lower end connection guide rail 2 also can make weld holder 4 horizontal linear on guide rail 2 slide; As shown in Figure 5, guide rail 2 comprises guide rail bracket 13, the both sides of guide rail bracket 13 are provided with line slide rail 15, the both sides, lower end of weld holder 4 are provided with the slide block 17 corresponding with line slide rail 15, slide block 17 can slide on line slide rail 15, described guide rail bracket 13 is also provided with the tooth bar 16 paralleled with line slide rail 15, the lower end of weld holder 4 is also provided with the gear 18 that can be meshed with tooth bar 16, and the two ends of line slide rail 15 are provided with limited block 14; As shown in Figure 6, be provided with in weld holder 4 by gear 18 can drive weld holder 4 linearly slide rail 15 move translation servo-motors 20, the both sides of weld holder 4 bottom are provided with welding wire cylinder 3, the both sides on weld holder 4 top are provided with wire feeder 22, welding wire in welding wire cylinder 3 delivers to welding gun by wire feeder 22, then from welding gun 25 to the position to be welded for the treatment of weldment; As shown in Figure 7, elevating mechanism 5 comprise be fixed on weld holder 4 upper end crane, be fixed on the lift servo motor 30 on crane and be fixed on the female nut seat 28 of tool on crane, lift servo motor 30 drives vertical screw rod 27 to move in nut seat 28 by the interlock of synchronous gear wheel 29, synchronous pinion gear 31 and the Timing Belt (not shown in FIG.) that connects synchronous gear wheel 29 and synchronous pinion gear 31, and the upper end of vertical screw rod 27 is connected on synchronous gear wheel 29; As shown in Figure 3, Figure 4, mould 7 is cuboid structure, treat that weldment is by being bolted on mould 7, on the headstock 32 that the two ends of mould 7 are connected to modified gear 8 by bolt and tailstock 33, reducing gear on the headstock and mould are bolted, tailstock spindle on tailstock is bolted, and is provided with displacement servomotor 12 in the headstock 32 of modified gear 8, and displacement servomotor 12 can be rotated by driven mold 7 by the interlock of synchromesh gear and Timing Belt 11.The action of translation servo-motors 20 described in special automatic welding machine of the present invention, lift servo motor 30 and displacement servomotor 12 also controls by PLC.

As Fig. 1 rocking arm seat beam and Fig. 2 reinforcing prop, this its weld seam of two classes workpiece is all in strip and weld seam is thicker, and workpiece deadweight is comparatively large, if artificial weldering is not only welded time-consuming and labour intensity is larger.Special welding machine of the present invention can be adopted to weld, and the mould last time can weld by clamping two pieces reinforcing prop (on mould upper surface) four rocking arm seat beams (on mould two sides).

During work, after translation servo-motors 20 is energized, by means of the engaged transmission of gear 18 and tooth bar 16, the rotation of mechanism is transformed into rectilinear motion, thus realizes strip straight weld.Welding wire cylinder 19 along with automatic welding frame moves with wire feeder 22, not only ensure that wire feed is smooth and easy but also plays the structural stability balancing automatic welding frame.PLC and control section 21 and panel 24 are used to control whole special automatic welding machine, and system acting and order are input to PLC.The button that panel 24 is provided with can realize to special automatic welding machine everything and and order automatically and Non-follow control, be convenient to process control.

After lift servo motor 30 is energized, by synchronous pinion gear 31, synchronous gear wheel 29 and Timing Belt (not shown in FIG.), rotation is delivered on the screw rod 27 with screw, screw rod 27 and nut seat 28 are worm drive, thus the rectilinear motion up and down of welding gun 25 is driven by the helical rotation of screw rod 27, the stroke of screw rod 27 is directly decided by that the weld bead height of two kinds of workpiece is poor, the motion of elevating mechanism achieves the adjustment of the height of weld seam thus, ensure that weldquality.

Synchromesh gear and Timing Belt 11 can be driven to rotate after displacement servomotor 12 is energized, thus moment and speed are passed to harmonic speed reducer 10, the speed exported by harmonic speed reducer 10 is substantially reduced, and pass on mould by little rotating speed and high-torque, thus realize the welding successively of dissimilar weldment.

Claims (3)

1. a special automatic welding machine, comprise one to be provided with welding gun (25) weld holder (4) for installing the die device and treating weldment, described weld holder (4) is provided with the wire feeder (22) for supplying welding wire, described die device comprises mould (7), it is characterized in that: described weld holder (4) is inverted L shape structure, its upper end the elevating mechanism (5) of vertical motion can connect welding gun (25) by one, and its lower end connection guide rail (2) also can make weld holder (4) slide at the upper horizontal linear of guide rail (2);
Described guide rail (2) comprises guide rail bracket (13), the both sides of guide rail bracket (13) are provided with line slide rail (15), the both sides, lower end of described weld holder (4) are provided with the slide block (17) corresponding with line slide rail (15), and slide block (17) can in the upper slip of line slide rail (15);
Be provided with in described weld holder (4) and weld holder (4) the linearly translation servo-motors (20) that moves of slide rail (15) can be driven by gear (18);
Described elevating mechanism (5) comprises the crane being fixed on weld holder (4) upper end, the female nut seat of tool (28) being fixed on the lift servo motor (30) on crane and being fixed on crane, described lift servo motor (30) drives vertical screw rod (27) to move in nut seat (28) by the interlock of synchromesh gear and Timing Belt, and the upper end of described vertical screw rod (27) is connected on synchromesh gear;
Described mould (7) is cuboid structure, describedly treat that weldment is by being bolted on mould (7), on the headstock that the two ends of described mould (7) are connected to modified gear (8) by bolt and tailstock, be provided with displacement servomotor (12) in the headstock of described modified gear (8), described displacement servomotor (12) can be rotated by driven mold (7) by the interlock of synchromesh gear and Timing Belt;
Described guide rail bracket (13) is also provided with the tooth bar (16) paralleled with line slide rail (15), the lower end of described weld holder (4) is also provided with the gear (18) that can be meshed with tooth bar (16);
The both sides of described weld holder (4) bottom are provided with welding wire cylinder (3), and the both sides on weld holder (4) top are provided with wire feeder (22), and the welding wire in welding wire cylinder (3) delivers to welding gun by wire feeder (22), then from welding gun to the position to be welded for the treatment of weldment.
2. special automatic welding machine as claimed in claim 1, is characterized in that: the two ends of described line slide rail (15) are provided with limited block (14).
3. the special automatic welding machine as described in any one of claim 1-2, is characterized in that: described translation servo-motors (20), lift servo motor (30) and displacement servomotor (12) action controlled by PLC.
CN201210518726.5A 2012-12-06 2012-12-06 Special automatic welding machine CN102974923B (en)

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Application Number Priority Date Filing Date Title
CN201210518726.5A CN102974923B (en) 2012-12-06 2012-12-06 Special automatic welding machine

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CN102974923B true CN102974923B (en) 2016-04-06

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Cited By (1)

* Cited by examiner, † Cited by third party
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CN108942022A (en) * 2018-08-31 2018-12-07 万建琼 A kind of guardrail welding method based on protective fence welding equipment

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CN103203579A (en) * 2013-04-26 2013-07-17 四川华通特种工程塑料研究中心有限公司 U-shaped steel welding device
CN103273179B (en) * 2013-05-17 2015-07-22 奇昊汽车系统(苏州)有限公司 Ccb supporting pipe automatic welding system
CN103506786B (en) * 2013-09-10 2015-11-25 宁波福尼斯焊割科技有限公司 A kind of rocking arm automatic welding device
CN104097010B (en) * 2014-07-17 2015-11-18 安徽好运机械有限公司 The dual-purpose weld mold of positive and negative
CN105081632B (en) * 2015-06-04 2017-03-01 山东金博利达精密机械有限公司 A kind of ladder-type bridge frame automatic welding machine
CN104923915A (en) * 2015-06-23 2015-09-23 孟如苗 Welding machine
CN105033526B (en) * 2015-08-05 2017-08-11 安吉金科机械设备有限公司 A kind of five-pointed star chair leg welder
CN104959708B (en) * 2015-08-05 2017-05-03 安吉金科机械设备有限公司 Coordinate welding manipulator
CN105834628A (en) * 2016-06-20 2016-08-10 广州瑞松北斗汽车装备有限公司 Base mechanism of intelligent flexible welding system
CN105880913A (en) * 2016-06-28 2016-08-24 安徽好运机械有限公司 Multifunctional positioner for welding die
CN106583985A (en) * 2016-12-22 2017-04-26 浙江澳托美克船业有限公司 Robot welding system for boats
CN107363408B (en) * 2017-09-05 2019-05-17 上海航天精密机械研究所 A kind of high-strength steel sheel circumferential weld hybrid Laser-Arc Welding equipment of guided missile

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